dmlib: tools/libgfx.c annotate

annotate tools/libgfx.c @ 2207:1ea48084055e

Add functionality for separate palette file handling, reading, writing and probing similarly to image formats. For now, we only support ".ACT" palettes.

author	Matti Hamalainen <ccr@tnsp.org>
date	Fri, 14 Jun 2019 03:28:46 +0300
parents	455a3849b8ac
children	90ec1ec89c56

rev	line source
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1 /*
1308 8f71ca1900ea Update header blurps and copyrights. Matti Hamalainen <ccr@tnsp.org> parents: 1307 diff changeset	2 * Functions for reading and converting various graphics file formats
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	3 * Programmed and designed by Matti 'ccr' Hamalainen
1894 2e3f188c6bf0 Bump copyright year. Matti Hamalainen <ccr@tnsp.org> parents: 1892 diff changeset	4 * (C) Copyright 2012-2018 Tecnic Software productions (TNSP)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	5 *
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	6 * Please read file 'COPYING' for information on license and distribution.
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	7 */
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	8 #include "libgfx.h"
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	9
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	10 #ifdef DM_USE_LIBPNG
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	11 #include <png.h>
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	12 #endif
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	13
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	14
1285 e4bda4909d72 Make libgfx error mode a global variable, at least for now. Matti Hamalainen <ccr@tnsp.org> parents: 1284 diff changeset	15 int dmGFXErrorMode = DM_ERRMODE_FAIL;
e4bda4909d72 Make libgfx error mode a global variable, at least for now. Matti Hamalainen <ccr@tnsp.org> parents: 1284 diff changeset	16
e4bda4909d72 Make libgfx error mode a global variable, at least for now. Matti Hamalainen <ccr@tnsp.org> parents: 1284 diff changeset	17
1309 5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	18 void dmInitBitStreamContext(DMBitStreamContext *ctx)
5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	19 {
5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	20 ctx->outBuf = 0;
5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	21 ctx->outByteCount = 0;
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	22 ctx->outBitCount = 0;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	23
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	24 ctx->inBuf = 0;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	25 ctx->inByteCount = 0;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	26 ctx->inBitCount = 0;
1309 5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	27 }
5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	28
5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	29
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	30 int dmPutBits(DMBitStreamContext *ctx, const unsigned int val, const unsigned int n)
1309 5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	31 {
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	32 for (unsigned int i = 0; i < n; i++)
1309 5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	33 {
5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	34 ctx->outBuf <<= 1;
5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	35
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	36 if (val & (1 << (n - 1 - i)))
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	37 ctx->outBuf \|= 1;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	38
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	39 ctx->outBitCount++;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	40 if (ctx->outBitCount == 8)
1309 5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	41 {
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	42 int ret;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	43 if ((ret = ctx->putByte(ctx)) != DMERR_OK)
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	44 return ret;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	45
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	46 ctx->outBitCount = 0;
1309 5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	47 ctx->outByteCount++;
5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	48 }
5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	49 }
5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	50
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	51 return DMERR_OK;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	52 }
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	53
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	54
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	55 int dmGetBits(DMBitStreamContext ctx, unsigned int val, const unsigned int n)
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	56 {
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	57 *val = 0;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	58
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	59 for (unsigned int i = 0; i < n; i++)
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	60 {
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	61 if (ctx->inBitCount == 0)
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	62 {
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	63 int ret;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	64 if ((ret = ctx->getByte(ctx)) != DMERR_OK)
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	65 return ret;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	66
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	67 ctx->inBitCount = 8;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	68 ctx->inByteCount++;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	69 }
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	70
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	71 *val <<= 1;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	72 *val \|= ctx->inBuf >> 7 & 1;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	73
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	74 ctx->inBuf <<= 1;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	75 ctx->inBitCount--;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	76 }
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	77
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	78 return DMERR_OK;
1309 5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	79 }
5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	80
5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	81
5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	82 int dmFlushBitStream(DMBitStreamContext *ctx)
5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	83 {
5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	84 if (ctx == NULL)
5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	85 return DMERR_NULLPTR;
5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	86
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	87 if (ctx->outBitCount > 0)
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	88 return dmPutBits(ctx, 0, 8 - ctx->outBitCount);
1309 5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	89
2083 feed844a5ae1 Return DMERR_OK where appropriate instead of 0. Matti Hamalainen <ccr@tnsp.org> parents: 2082 diff changeset	90 return DMERR_OK;
1309 5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	91 }
5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	92
5ad7d780a09b Move bitstream reading functions to libgfx, as they were only used there. Matti Hamalainen <ccr@tnsp.org> parents: 1308 diff changeset	93
2100 81fb21dd3265 Add dmGetNPlanesFromNColors() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 2098 diff changeset	94 int dmGetNPlanesFromNColors(const int ncolors)
81fb21dd3265 Add dmGetNPlanesFromNColors() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 2098 diff changeset	95 {
81fb21dd3265 Add dmGetNPlanesFromNColors() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 2098 diff changeset	96 if (ncolors <= 0)
81fb21dd3265 Add dmGetNPlanesFromNColors() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 2098 diff changeset	97 return -1;
81fb21dd3265 Add dmGetNPlanesFromNColors() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 2098 diff changeset	98
81fb21dd3265 Add dmGetNPlanesFromNColors() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 2098 diff changeset	99 for (int n = 8; n >= 0;)
81fb21dd3265 Add dmGetNPlanesFromNColors() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 2098 diff changeset	100 {
81fb21dd3265 Add dmGetNPlanesFromNColors() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 2098 diff changeset	101 if ((ncolors - 1) & (1 << n))
81fb21dd3265 Add dmGetNPlanesFromNColors() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 2098 diff changeset	102 return n + 1;
81fb21dd3265 Add dmGetNPlanesFromNColors() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 2098 diff changeset	103 else
81fb21dd3265 Add dmGetNPlanesFromNColors() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 2098 diff changeset	104 n--;
81fb21dd3265 Add dmGetNPlanesFromNColors() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 2098 diff changeset	105 }
81fb21dd3265 Add dmGetNPlanesFromNColors() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 2098 diff changeset	106
81fb21dd3265 Add dmGetNPlanesFromNColors() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 2098 diff changeset	107 return -2;
81fb21dd3265 Add dmGetNPlanesFromNColors() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 2098 diff changeset	108 }
81fb21dd3265 Add dmGetNPlanesFromNColors() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 2098 diff changeset	109
81fb21dd3265 Add dmGetNPlanesFromNColors() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 2098 diff changeset	110
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	111 BOOL dmCompareColor(const DMColor c1, const DMColor c2, const BOOL alpha)
487 b89598501cec Move dmCompareColor() to libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 472 diff changeset	112 {
b89598501cec Move dmCompareColor() to libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 472 diff changeset	113 if (c1->r == c2->r &&
b89598501cec Move dmCompareColor() to libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 472 diff changeset	114 c1->g == c2->g &&
b89598501cec Move dmCompareColor() to libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 472 diff changeset	115 c1->b == c2->b)
b89598501cec Move dmCompareColor() to libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 472 diff changeset	116 return alpha ? (c1->a == c2->a) : TRUE;
b89598501cec Move dmCompareColor() to libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 472 diff changeset	117 else
b89598501cec Move dmCompareColor() to libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 472 diff changeset	118 return FALSE;
b89598501cec Move dmCompareColor() to libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 472 diff changeset	119 }
b89598501cec Move dmCompareColor() to libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 472 diff changeset	120
b89598501cec Move dmCompareColor() to libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 472 diff changeset	121
1286 b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	122 int dmImageGetBytesPerPixel(const int format)
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	123 {
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	124 switch (format)
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	125 {
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	126 case DM_PIXFMT_GRAYSCALE : return 1;
9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	127 case DM_PIXFMT_PALETTE : return 1;
9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	128 case DM_PIXFMT_RGB : return 3;
9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	129 case DM_PIXFMT_RGBA : return 4;
1801 0562dd55a1f6 s/DM_IFMT_/DM_COLFMT_/g Matti Hamalainen <ccr@tnsp.org> parents: 1800 diff changeset	130 default : return -1;
1286 b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	131 }
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	132 }
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	133
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	134
2091 3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	135 int dmImageGetBitsPerPixel(const int format)
3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	136 {
3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	137 return dmImageGetBytesPerPixel(format) * 8;
3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	138 }
3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	139
3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	140
1286 b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	141 DMImage * dmImageAlloc(const int width, const int height, const int format, const int bpp)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	142 {
928 ebe0d93e03c0 Use dmMalloc0() instead of dmCalloc() here. Matti Hamalainen <ccr@tnsp.org> parents: 902 diff changeset	143 DMImage *img = dmMalloc0(sizeof(DMImage));
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	144 if (img == NULL)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	145 return NULL;
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	146
1286 b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	147 img->width = width;
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	148 img->height = height;
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	149 img->pixfmt = format;
2093 d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	150 img->bpp = (bpp <= 0) ? dmImageGetBitsPerPixel(format) : bpp;
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	151 img->pitch = (width * img->bpp) / 8;
1628 a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	152 img->size = img->pitch * img->height;
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	153 img->aspect = -1;
930 efbad8817b79 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 929 diff changeset	154
929 e1378398be0f Add size field for allocated data size in DMImage. Matti Hamalainen <ccr@tnsp.org> parents: 928 diff changeset	155 if ((img->data = dmMalloc(img->size)) == NULL)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	156 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	157 dmFree(img);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	158 return NULL;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	159 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	160
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	161 return img;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	162 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	163
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	164
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	165 void dmImageFree(DMImage *img)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	166 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	167 if (img != NULL)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	168 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	169 if (!img->constpal)
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	170 dmPaletteFree(img->pal);
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	171
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	172 dmFree(img->data);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	173 dmFree(img);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	174 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	175 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	176
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	177
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	178 int dmPaletteAlloc(DMPalette **ppal, const int ncolors, const int ctransp)
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	179 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	180 DMPalette *pal;
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	181 if (ppal == NULL)
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	182 return DMERR_NULLPTR;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	183
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	184 *ppal = NULL;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	185
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	186 // Allocate palette struct
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	187 if ((pal = dmMalloc0(sizeof(DMPalette))) == NULL)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	188 return DMERR_MALLOC;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	189
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	190 pal->ncolors = ncolors;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	191 pal->ctransp = ctransp;
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	192
460 0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	193 // Allocate desired amount of palette
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	194 if ((pal->colors = dmCalloc(pal->ncolors, sizeof(DMColor))) == NULL)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	195 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	196 dmFree(pal);
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	197 return DMERR_MALLOC;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	198 }
460 0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	199
0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	200 // Set alpha values to max, except for transparent color
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	201 for (int i = 0; i < pal->ncolors; i++)
460 0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	202 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	203 pal->colors[i].a = (i == pal->ctransp) ? 0x00 : 0xff;
460 0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	204 }
0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	205
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	206 *ppal = pal;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	207
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	208 return DMERR_OK;
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	209 }
fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	210
fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	211
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	212 int dmPaletteResize(DMPalette **ppal, const int ncolors)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	213 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	214 DMPalette *pal;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	215
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	216 if (ppal == NULL)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	217 return DMERR_NULLPTR;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	218
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	219 if (ncolors <= 0 \|\| ncolors > 256)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	220 return DMERR_INVALID_ARGS;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	221
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	222 if (*ppal == NULL)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	223 return dmPaletteAlloc(ppal, ncolors, -1);
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	224
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	225 pal = *ppal;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	226
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	227 if (pal->ncolors == ncolors)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	228 return DMERR_OK;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	229
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	230 if ((pal->colors = dmRealloc(pal->colors, sizeof(DMColor) * ncolors)) == NULL)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	231 return DMERR_MALLOC;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	232
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	233 if (ncolors - pal->ncolors > 0)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	234 memset(&(pal->colors[pal->ncolors]), 0, sizeof(DMColor) * (ncolors - pal->ncolors));
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	235
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	236 return DMERR_OK;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	237 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	238
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	239
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	240 int dmPaletteCopy(DMPalette *pdst, const DMPalette src)
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	241 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	242 DMPalette *pal;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	243 if (pdst == NULL)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	244 return DMERR_NULLPTR;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	245
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	246 *pdst = NULL;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	247
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	248 // Allocate palette struct
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	249 if ((pal = dmMalloc(sizeof(DMPalette))) == NULL)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	250 return DMERR_MALLOC;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	251
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	252 memcpy(pal, src, sizeof(DMPalette));
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	253
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	254 // Allocate desired amount of palette
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	255 if ((pal->colors = dmCalloc(pal->ncolors, sizeof(DMColor))) == NULL)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	256 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	257 dmFree(pal);
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	258 return DMERR_MALLOC;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	259 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	260
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	261 memcpy(pal->colors, src->colors, sizeof(DMColor) * pal->ncolors);
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	262 *pdst = pal;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	263
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	264 return DMERR_OK;
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	265 }
fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	266
fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	267
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	268 void dmPaletteFree(DMPalette *pal)
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	269 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	270 if (pal != NULL)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	271 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	272 dmFree(pal->colors);
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	273 dmFree(pal);
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	274 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	275 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	276
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	277
2202 455a3849b8ac Comments and cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 2157 diff changeset	278 static int dmPaletteReadData(DMResource fp, DMPalette pal, const int ncolors)
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	279 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	280 if (pal->ncolors < ncolors)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	281 return DMERR_INVALID_ARGS;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	282
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	283 for (int i = 0; i < ncolors; i++)
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	284 {
fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	285 Uint8 colR, colG, colB;
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	286 if (!dmf_read_byte(fp, &colR) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	287 !dmf_read_byte(fp, &colG) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	288 !dmf_read_byte(fp, &colB))
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	289 return DMERR_FREAD;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	290
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	291 pal->colors[i].r = colR;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	292 pal->colors[i].g = colG;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	293 pal->colors[i].b = colB;
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	294 }
fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	295
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	296 return DMERR_OK;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	297 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	298
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	299
2202 455a3849b8ac Comments and cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 2157 diff changeset	300 static int dmPaletteWriteData(DMResource fp, const DMPalette pal,
455a3849b8ac Comments and cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 2157 diff changeset	301 const int ncolors, const int npad)
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	302 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	303 int i;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	304
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	305 if (pal == NULL \|\| fp == NULL)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	306 return DMERR_NULLPTR;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	307
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	308 if (pal->ncolors < ncolors)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	309 return DMERR_INVALID_ARGS;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	310
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	311 for (i = 0; i < ncolors; i++)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	312 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	313 DMColor *col = &pal->colors[i];
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	314 if (!dmf_write_byte(fp, col->r) \|\|
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	315 !dmf_write_byte(fp, col->g) \|\|
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	316 !dmf_write_byte(fp, col->b))
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	317 return DMERR_FWRITE;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	318 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	319
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	320 for (; i < npad; i++)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	321 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	322 if (!dmf_write_byte(fp, 0) \|\|
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	323 !dmf_write_byte(fp, 0) \|\|
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	324 !dmf_write_byte(fp, 0))
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	325 return DMERR_FWRITE;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	326 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	327
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	328 return DMERR_OK;
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	329 }
fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	330
fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	331
2207 1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	332 #define ACT_MAGIC_ID 0x0010ffff
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	333
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	334
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	335 static int fmtProbeACT(const Uint8 *buf, const size_t len)
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	336 {
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	337 if (len == 0x304 &&
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	338 DM_BE32_TO_NATIVE((Uint32 ) (buf + 0x300)) == ACT_MAGIC_ID)
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	339 return DM_PROBE_SCORE_MAX;
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	340
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	341 return DM_PROBE_SCORE_FALSE;
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	342 }
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	343
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	344
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	345 int dmReadACTPalette(DMResource fp, DMPalette *pdst)
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	346 {
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	347 int res;
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	348 Uint32 magicID;
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	349
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	350 if ((res = dmPaletteAlloc(pdst, 256, -1)) != DMERR_OK)
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	351 return res;
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	352
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	353 if ((res = dmPaletteReadData(fp, *pdst, 256)) != DMERR_OK)
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	354 goto error;
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	355
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	356 if (!dmf_read_be32(fp, &magicID))
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	357 {
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	358 res = DMERR_FREAD;
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	359 goto error;
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	360 }
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	361
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	362 if (magicID != ACT_MAGIC_ID)
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	363 {
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	364 res = DMERR_INVALID_DATA;
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	365 goto error;
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	366 }
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	367
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	368 return res;
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	369
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	370 error:
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	371 dmPaletteFree(*pdst);
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	372 *pdst = NULL;
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	373 return res;
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	374 }
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	375
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	376
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	377 int dmWriteACTPalette(DMResource fp, const DMPalette ppal)
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	378 {
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	379 int res;
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	380
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	381 if ((res = dmPaletteWriteData(fp, ppal, ppal->ncolors, 256)) != DMERR_OK)
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	382 return res;
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	383
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	384 if (!dmf_write_be32(fp, ACT_MAGIC_ID))
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	385 return DMERR_FWRITE;
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	386
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	387 return DMERR_OK;
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	388 }
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	389
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	390
2091 3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	391 int dmWriteImageData(const DMImage img, void cbdata,
3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	392 int (writeRowCB)(void , const Uint8 *, const size_t),
2156 e6ec7fad9ce2 Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose. Matti Hamalainen <ccr@tnsp.org> parents: 2154 diff changeset	393 const DMImageWriteSpec *spec)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	394 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	395 int x, y, yscale, xscale, res = 0, rowSize, rowWidth;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	396 Uint8 *row = NULL;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	397
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	398 // Allocate memory for row buffer
902 c6c480e8e1c8 Add separate X and Y scaling to gfxconv and libgfx outputters. Matti Hamalainen <ccr@tnsp.org> parents: 858 diff changeset	399 rowWidth = img->width * spec->scaleX;
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	400 rowSize = rowWidth * dmImageGetBytesPerPixel(spec->pixfmt);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	401
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	402 if ((row = dmMalloc(rowSize + 16)) == NULL)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	403 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	404 res = DMERR_MALLOC;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	405 goto done;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	406 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	407
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	408 // Generate the image
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	409 for (y = 0; y < img->height; y++)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	410 {
436 86f956e4580f Cosmetics, rename a variable. Matti Hamalainen <ccr@tnsp.org> parents: 435 diff changeset	411 Uint8 *ptr1 = row,
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	412 *ptr2 = ptr1 + rowWidth,
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	413 *ptr3 = ptr2 + rowWidth,
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	414 *ptr4 = ptr3 + rowWidth;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	415
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	416 if (img->pixfmt == DM_PIXFMT_GRAYSCALE)
2098 e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	417 {
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	418 for (x = 0; x < img->width; x++)
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	419 {
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	420 Uint8 c = img->data[(y * img->pitch) + (x * img->bpp) / 8];
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	421
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	422 switch (spec->pixfmt)
2098 e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	423 {
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	424 case DM_PIXFMT_PALETTE:
9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	425 case DM_PIXFMT_GRAYSCALE:
2098 e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	426 for (xscale = 0; xscale < spec->scaleX; xscale++)
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	427 *ptr1++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	428 break;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	429
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	430 case DM_PIXFMT_RGBA:
2098 e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	431 if (spec->planar)
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	432 {
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	433 for (xscale = 0; xscale < spec->scaleX; xscale++)
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	434 {
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	435 *ptr1++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	436 *ptr2++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	437 *ptr3++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	438 *ptr4++ = 0xff;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	439 }
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	440 }
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	441 else
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	442 {
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	443 for (xscale = 0; xscale < spec->scaleX; xscale++)
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	444 {
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	445 *ptr1++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	446 *ptr1++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	447 *ptr1++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	448 *ptr1++ = 0xff;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	449 }
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	450 }
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	451 break;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	452
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	453 case DM_PIXFMT_RGB:
2098 e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	454 if (spec->planar)
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	455 {
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	456 for (xscale = 0; xscale < spec->scaleX; xscale++)
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	457 {
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	458 *ptr1++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	459 *ptr2++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	460 *ptr3++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	461 }
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	462 }
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	463 else
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	464 {
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	465 for (xscale = 0; xscale < spec->scaleX; xscale++)
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	466 {
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	467 *ptr1++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	468 *ptr1++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	469 *ptr1++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	470 }
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	471 }
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	472 break;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	473
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	474 default:
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	475 res = DMERR_NOT_SUPPORTED;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	476 goto done;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	477 }
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	478 }
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	479 }
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	480 else
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	481 if (img->pixfmt == DM_PIXFMT_PALETTE)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	482 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	483 for (x = 0; x < img->width; x++)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	484 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	485 Uint8 c = img->data[(y * img->pitch) + (x * img->bpp) / 8],
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	486 qr, qg, qb, qa;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	487
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	488 if (c >= img->pal->ncolors)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	489 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	490 res = DMERR_INVALID_DATA;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	491 goto done;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	492 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	493
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	494 switch (spec->pixfmt)
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	495 {
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	496 case DM_PIXFMT_PALETTE:
9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	497 case DM_PIXFMT_GRAYSCALE:
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	498 for (xscale = 0; xscale < spec->scaleX; xscale++)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	499 *ptr1++ = c;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	500 break;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	501
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	502 case DM_PIXFMT_RGBA:
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	503 qr = img->pal->colors[c].r;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	504 qg = img->pal->colors[c].g;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	505 qb = img->pal->colors[c].b;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	506 qa = img->pal->colors[c].a;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	507
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	508 if (spec->planar)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	509 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	510 for (xscale = 0; xscale < spec->scaleX; xscale++)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	511 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	512 *ptr1++ = qr;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	513 *ptr2++ = qg;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	514 *ptr3++ = qb;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	515 *ptr4++ = qa;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	516 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	517 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	518 else
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	519 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	520 for (xscale = 0; xscale < spec->scaleX; xscale++)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	521 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	522 *ptr1++ = qr;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	523 *ptr1++ = qg;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	524 *ptr1++ = qb;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	525 *ptr1++ = qa;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	526 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	527 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	528 break;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	529
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	530 case DM_PIXFMT_RGB:
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	531 qr = img->pal->colors[c].r;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	532 qg = img->pal->colors[c].g;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	533 qb = img->pal->colors[c].b;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	534
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	535 if (spec->planar)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	536 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	537 for (xscale = 0; xscale < spec->scaleX; xscale++)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	538 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	539 *ptr1++ = qr;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	540 *ptr2++ = qg;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	541 *ptr3++ = qb;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	542 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	543 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	544 else
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	545 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	546 for (xscale = 0; xscale < spec->scaleX; xscale++)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	547 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	548 *ptr1++ = qr;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	549 *ptr1++ = qg;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	550 *ptr1++ = qb;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	551 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	552 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	553 break;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	554
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	555 default:
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	556 res = DMERR_NOT_SUPPORTED;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	557 goto done;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	558 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	559 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	560 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	561 else
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	562 if (img->pixfmt == DM_PIXFMT_RGB \|\|
9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	563 img->pixfmt == DM_PIXFMT_RGBA)
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	564 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	565 Uint8 sp = img->data + (y img->pitch);
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	566
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	567 for (x = 0; x < img->width; x++, sp += img->bpp / 8)
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	568 switch (spec->pixfmt)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	569 {
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	570 case DM_PIXFMT_RGBA:
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	571 if (spec->planar)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	572 {
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	573 for (xscale = 0; xscale < spec->scaleX; xscale++)
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	574 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	575 *ptr1++ = sp[0];
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	576 *ptr2++ = sp[1];
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	577 *ptr3++ = sp[2];
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	578 *ptr4++ = sp[3];
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	579 }
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	580 }
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	581 else
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	582 {
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	583 for (xscale = 0; xscale < spec->scaleX; xscale++)
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	584 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	585 *ptr1++ = sp[0];
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	586 *ptr1++ = sp[1];
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	587 *ptr1++ = sp[2];
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	588 *ptr1++ = sp[3];
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	589 }
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	590 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	591 break;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	592
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	593 case DM_PIXFMT_RGB:
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	594 if (spec->planar)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	595 {
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	596 for (xscale = 0; xscale < spec->scaleX; xscale++)
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	597 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	598 *ptr1++ = sp[0];
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	599 *ptr2++ = sp[1];
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	600 *ptr3++ = sp[2];
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	601 }
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	602 }
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	603 else
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	604 {
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	605 for (xscale = 0; xscale < spec->scaleX; xscale++)
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	606 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	607 *ptr1++ = sp[0];
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	608 *ptr1++ = sp[1];
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	609 *ptr1++ = sp[2];
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	610 }
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	611 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	612 break;
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	613
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	614 default:
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	615 res = DMERR_NOT_SUPPORTED;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	616 goto done;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	617 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	618 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	619
902 c6c480e8e1c8 Add separate X and Y scaling to gfxconv and libgfx outputters. Matti Hamalainen <ccr@tnsp.org> parents: 858 diff changeset	620 for (yscale = 0; yscale < spec->scaleY; yscale++)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	621 {
808 f8126fa1df9b Use dmlib error code return value in cases where a plain boolean was used Matti Hamalainen <ccr@tnsp.org> parents: 800 diff changeset	622 if ((res = writeRowCB(cbdata, row, rowSize)) != DMERR_OK)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	623 goto done;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	624 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	625 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	626
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	627 done:
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	628 dmFree(row);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	629 return res;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	630 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	631
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	632
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	633 #define DMCOL(x) (((x) >> 4) & 0xf)
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	634
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	635 int dmWriteIFFMasterRAWHeader(
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	636 DMResource fp, const char filename, const char *prefix,
2156 e6ec7fad9ce2 Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose. Matti Hamalainen <ccr@tnsp.org> parents: 2154 diff changeset	637 const DMImage img, const DMImageWriteSpec spec)
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	638 {
2049 a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	639 if (dmfprintf(fp,
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	640 "%s_width: dw.w %d\n"
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	641 "%s_height: dw.w %d\n"
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	642 "%s_nplanes: dw.w %d\n",
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	643 prefix, img->width * spec->scaleX,
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	644 prefix, img->height * spec->scaleY,
2049 a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	645 prefix, spec->nplanes) < 0)
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	646 return dmferror(fp);
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	647
2145 0905b2a87cbd Write ARAW palette only if it exists. Matti Hamalainen <ccr@tnsp.org> parents: 2101 diff changeset	648 if (spec->fmtid == DM_IMGFMT_ARAW &&
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	649 img->pixfmt == DM_PIXFMT_PALETTE &&
2145 0905b2a87cbd Write ARAW palette only if it exists. Matti Hamalainen <ccr@tnsp.org> parents: 2101 diff changeset	650 img->pal != NULL)
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	651 {
2049 a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	652 if (dmfprintf(fp,
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	653 "%s_ncolors: dw.w %d\n"
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	654 "%s_palette:\n",
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	655 prefix, img->pal->ncolors,
2049 a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	656 prefix) < 0)
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	657 return dmferror(fp);
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	658
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	659 for (int i = 0; i < (1 << spec->nplanes); i++)
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	660 {
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	661 Uint32 color;
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	662 if (i < img->pal->ncolors)
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	663 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	664 color = (DMCOL(img->pal->colors[i].r) << 8) \|
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	665 (DMCOL(img->pal->colors[i].g) << 4) \|
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	666 (DMCOL(img->pal->colors[i].b));
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	667 }
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	668 else
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	669 color = 0;
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	670
2049 a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	671 if (dmfprintf(fp,
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	672 "\tdc.w $%04X\n",
2049 a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	673 color) < 0)
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	674 return dmferror(fp);
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	675 }
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	676
2049 a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	677 if (dmfprintf(fp,
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	678 "%s: incbin \"%s\"\n",
2049 a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	679 prefix, filename) < 0)
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	680 return dmferror(fp);
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	681 }
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	682
1887 297aa8f0ca7f Return DMERR_OK instead of dmferror(fp) dmWriteIFFMasterRAWHeader(). Matti Hamalainen <ccr@tnsp.org> parents: 1886 diff changeset	683 return DMERR_OK;
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	684 }
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	685
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	686
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	687 static int dmWriteRAWRow(DMBitStreamContext bs, const DMImage img,
2156 e6ec7fad9ce2 Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose. Matti Hamalainen <ccr@tnsp.org> parents: 2154 diff changeset	688 const DMImageWriteSpec *spec, const int yc, const int plane)
1872 fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling. Matti Hamalainen <ccr@tnsp.org> parents: 1814 diff changeset	689 {
fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling. Matti Hamalainen <ccr@tnsp.org> parents: 1814 diff changeset	690 const Uint8 sp = img->data + (yc img->pitch);
fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling. Matti Hamalainen <ccr@tnsp.org> parents: 1814 diff changeset	691 for (int xc = 0; xc < img->width; xc++)
fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling. Matti Hamalainen <ccr@tnsp.org> parents: 1814 diff changeset	692 {
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	693 int res;
1872 fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling. Matti Hamalainen <ccr@tnsp.org> parents: 1814 diff changeset	694 for (int xscale = 0; xscale < spec->scaleX; xscale++)
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	695 if ((res = dmPutBits(bs, (sp[xc] >> plane) & 1, 1)) != DMERR_OK)
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	696 return res;
1872 fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling. Matti Hamalainen <ccr@tnsp.org> parents: 1814 diff changeset	697 }
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	698 return DMERR_OK;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	699 }
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	700
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	701
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	702 static int dmPutByteRes(DMBitStreamContext *ctx)
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	703 {
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	704 DMResource fp = (DMResource ) ctx->handle;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	705
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	706 if (!dmf_write_byte(fp, ctx->outBuf & 0xff))
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	707 return dmferror(fp);
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	708 else
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	709 return DMERR_OK;
1872 fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling. Matti Hamalainen <ccr@tnsp.org> parents: 1814 diff changeset	710 }
fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling. Matti Hamalainen <ccr@tnsp.org> parents: 1814 diff changeset	711
fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling. Matti Hamalainen <ccr@tnsp.org> parents: 1814 diff changeset	712
2156 e6ec7fad9ce2 Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose. Matti Hamalainen <ccr@tnsp.org> parents: 2154 diff changeset	713 int dmWriteRAWImage(DMResource fp, const DMImage img, const DMImageWriteSpec *spec)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	714 {
1622 009a3e3c54bf Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1621 diff changeset	715 int res;
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	716 DMBitStreamContext ctx;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	717
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	718 dmInitBitStreamContext(&ctx);
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	719 ctx.putByte = dmPutByteRes;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	720 ctx.handle = (void *) fp;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	721
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	722 if (spec->planar)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	723 {
1339 65f8fd1bf76e Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1309 diff changeset	724 // Output bitplanes in planar format
65f8fd1bf76e Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1309 diff changeset	725 // (each plane of line sequentially)
1622 009a3e3c54bf Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1621 diff changeset	726 for (int yc = 0; yc < img->height; yc++)
1872 fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling. Matti Hamalainen <ccr@tnsp.org> parents: 1814 diff changeset	727 for (int yscale = 0; yscale < spec->scaleY; yscale++)
1622 009a3e3c54bf Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1621 diff changeset	728 for (int plane = 0; plane < spec->nplanes; plane++)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	729 {
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	730 if ((res = dmWriteRAWRow(&ctx, img, spec, yc, plane)) != DMERR_OK)
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	731 return res;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	732 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	733 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	734 else
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	735 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	736 // Output each bitplane in sequence
1622 009a3e3c54bf Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1621 diff changeset	737 for (int plane = 0; plane < spec->nplanes; plane++)
009a3e3c54bf Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1621 diff changeset	738 for (int yc = 0; yc < img->height; yc++)
1872 fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling. Matti Hamalainen <ccr@tnsp.org> parents: 1814 diff changeset	739 for (int yscale = 0; yscale < spec->scaleY; yscale++)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	740 {
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	741 if ((res = dmWriteRAWRow(&ctx, img, spec, yc, plane)) != DMERR_OK)
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	742 return res;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	743 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	744 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	745
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	746 return dmFlushBitStream(&ctx);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	747 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	748
566 d400e32b62d9 Add a slightly different raw output format. Matti Hamalainen <ccr@tnsp.org> parents: 487 diff changeset	749
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	750 static int dmPutByteCDump(DMBitStreamContext *ctx)
2047 3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	751 {
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	752 DMResource fp = (DMResource ) ctx->handle;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	753
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	754 if (dmfprintf(fp, "0x%02x, ", ctx->outBuf & 0xff) < 2)
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	755 return dmferror(fp);
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	756 else
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	757 return DMERR_OK;
2047 3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	758 }
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	759
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	760
2156 e6ec7fad9ce2 Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose. Matti Hamalainen <ccr@tnsp.org> parents: 2154 diff changeset	761 int dmWriteCDumpImage(DMResource fp, const DMImage img, const DMImageWriteSpec *spec)
2047 3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	762 {
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	763 int res;
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	764 DMBitStreamContext ctx;
2049 a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	765
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	766 if (dmfprintf(fp,
2047 3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	767 "#define SET_WIDTH %d\n"
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	768 "#define SET_HEIGHT %d\n"
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	769 "\n"
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	770 "Uint8 img_data[] = {\n",
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	771 img->width * spec->scaleX,
2049 a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	772 img->height * spec->scaleY) < 0)
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	773 return dmferror(fp);
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	774
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	775 dmInitBitStreamContext(&ctx);
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	776 ctx.putByte = dmPutByteCDump;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	777 ctx.handle = (void *) fp;
2049 a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	778
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	779 if (spec->planar)
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	780 {
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	781 // Output bitplanes in planar format
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	782 // (each plane of line sequentially)
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	783 for (int yc = 0; yc < img->height; yc++)
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	784 for (int yscale = 0; yscale < spec->scaleY; yscale++)
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	785 for (int plane = 0; plane < spec->nplanes; plane++)
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	786 {
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	787 if ((res = dmWriteRAWRow(&ctx, img, spec, yc, plane)) != DMERR_OK)
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	788 return res;
2049 a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	789
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	790 if (dmfprintf(fp, "\n") < 0)
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	791 return dmferror(fp);
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	792 }
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	793 }
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	794 else
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	795 {
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	796 // Output each bitplane in sequence
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	797 for (int plane = 0; plane < spec->nplanes; plane++)
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	798 for (int yc = 0; yc < img->height; yc++)
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	799 for (int yscale = 0; yscale < spec->scaleY; yscale++)
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	800 {
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	801 if ((res = dmWriteRAWRow(&ctx, img, spec, yc, plane)) != DMERR_OK)
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	802 return res;
2049 a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	803
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	804 if (dmfprintf(fp, "\n") < 0)
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	805 return dmferror(fp);
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	806 }
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	807 }
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	808
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	809 res = dmFlushBitStream(&ctx);
2049 a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	810
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	811 if (res == DMERR_OK &&
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	812 dmfprintf(fp, "};\n") < 0)
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	813 res = dmferror(fp);
2047 3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	814
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	815 return res;
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	816 }
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	817
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	818
1301 e03f20d0f785 Constify. Matti Hamalainen <ccr@tnsp.org> parents: 1300 diff changeset	819 static int dmWritePPMRow(void cbdata, const Uint8 row, const size_t len)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	820 {
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	821 if (dmf_write_str((DMResource *) cbdata, row, len))
808 f8126fa1df9b Use dmlib error code return value in cases where a plain boolean was used Matti Hamalainen <ccr@tnsp.org> parents: 800 diff changeset	822 return DMERR_OK;
f8126fa1df9b Use dmlib error code return value in cases where a plain boolean was used Matti Hamalainen <ccr@tnsp.org> parents: 800 diff changeset	823 else
f8126fa1df9b Use dmlib error code return value in cases where a plain boolean was used Matti Hamalainen <ccr@tnsp.org> parents: 800 diff changeset	824 return DMERR_FWRITE;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	825 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	826
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	827
2156 e6ec7fad9ce2 Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose. Matti Hamalainen <ccr@tnsp.org> parents: 2154 diff changeset	828 int dmWritePPMImage(DMResource fp, const DMImage img, const DMImageWriteSpec *spec)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	829 {
2156 e6ec7fad9ce2 Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose. Matti Hamalainen <ccr@tnsp.org> parents: 2154 diff changeset	830 DMImageWriteSpec tmpSpec;
2092 614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	831 char *tmpFmt;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	832
2154 1c111bfc17d4 Add check to PNG and PPM output as well. Matti Hamalainen <ccr@tnsp.org> parents: 2153 diff changeset	833 // Check if we can do this
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	834 if ((spec->pixfmt == DM_PIXFMT_PALETTE \|\| spec->pixfmt == DM_PIXFMT_GRAYSCALE) &&
9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	835 img->pixfmt != spec->pixfmt)
2154 1c111bfc17d4 Add check to PNG and PPM output as well. Matti Hamalainen <ccr@tnsp.org> parents: 2153 diff changeset	836 {
1c111bfc17d4 Add check to PNG and PPM output as well. Matti Hamalainen <ccr@tnsp.org> parents: 2153 diff changeset	837 return dmError(DMERR_NOT_SUPPORTED,
1c111bfc17d4 Add check to PNG and PPM output as well. Matti Hamalainen <ccr@tnsp.org> parents: 2153 diff changeset	838 "Conversion of non-indexed image to indexed not supported yet.\n");
1c111bfc17d4 Add check to PNG and PPM output as well. Matti Hamalainen <ccr@tnsp.org> parents: 2153 diff changeset	839 }
1c111bfc17d4 Add check to PNG and PPM output as well. Matti Hamalainen <ccr@tnsp.org> parents: 2153 diff changeset	840
2156 e6ec7fad9ce2 Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose. Matti Hamalainen <ccr@tnsp.org> parents: 2154 diff changeset	841 memcpy(&tmpSpec, spec, sizeof(DMImageWriteSpec));
2092 614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	842
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	843 switch (spec->pixfmt)
2092 614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	844 {
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	845 case DM_PIXFMT_RGB:
9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	846 case DM_PIXFMT_RGBA:
9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	847 case DM_PIXFMT_PALETTE:
9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	848 tmpSpec.pixfmt = DM_PIXFMT_RGB;
2092 614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	849 tmpFmt = "6";
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	850 break;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	851
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	852 case DM_PIXFMT_GRAYSCALE:
2092 614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	853 tmpFmt = "5";
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	854 break;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	855
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	856 default:
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	857 return dmError(DMERR_NOT_SUPPORTED,
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	858 "PPM: Not a supported color format for PPM/PGM format image.\n");
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	859 }
1288 6c8b19d1d196 More work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1287 diff changeset	860
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	861 // Write PPM header
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	862 char *tmp = dm_strdup_printf(
2092 614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	863 "P%s\n%d %d\n255\n",
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	864 tmpFmt,
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	865 img->width * tmpSpec.scaleX,
9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	866 img->height * tmpSpec.scaleY);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	867
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	868 if (tmp == NULL)
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	869 return DMERR_MALLOC;
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	870
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	871 dmfputs(tmp, fp);
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	872 dmFree(tmp);
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	873
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	874 // Write image data
1288 6c8b19d1d196 More work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1287 diff changeset	875 return dmWriteImageData(img, (void *) fp, dmWritePPMRow, &tmpSpec);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	876 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	877
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	878
2101 da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	879 // Read a PPM/PGM/PNM header line, skipping comments
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	880 static BOOL dmReadPPMHeader(DMResource fp, char buf, const size_t bufLen)
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	881 {
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	882 BOOL end = FALSE, comment = FALSE;
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	883 size_t offs = 0;
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	884
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	885 do
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	886 {
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	887 int ch = dmfgetc(fp);
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	888 if (ch == EOF)
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	889 return FALSE;
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	890 else
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	891 if (ch == '#')
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	892 comment = TRUE;
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	893 else
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	894 if (ch == '\n')
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	895 {
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	896 if (!comment)
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	897 end = TRUE;
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	898 else
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	899 comment = FALSE;
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	900 }
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	901 else
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	902 if (!comment)
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	903 {
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	904 if (offs < bufLen - 1)
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	905 buf[offs++] = ch;
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	906 }
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	907 } while (!end);
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	908
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	909 buf[offs] = 0;
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	910 return TRUE;
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	911 }
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	912
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	913
2092 614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	914 int dmReadPPMImage(DMResource fp, DMImage *pimg)
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	915 {
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	916 DMImage *img = NULL;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	917 unsigned int width, height;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	918 int itype, res = DMERR_OK;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	919 char hdr1[8], hdr2[32], hdr3[16];
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	920
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	921 // Read PPM header
2101 da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	922 if (!dmReadPPMHeader(fp, hdr1, sizeof(hdr1)) \|\|
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	923 !dmReadPPMHeader(fp, hdr2, sizeof(hdr2)) \|\|
da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	924 !dmReadPPMHeader(fp, hdr3, sizeof(hdr3)))
2092 614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	925 {
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	926 res = dmError(DMERR_FREAD,
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	927 "PPM: Could not read image header data.\n");
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	928 goto error;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	929 }
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	930
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	931 if (hdr1[0] != 'P' \|\| !isdigit(hdr1[1]) \|\|
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	932 !isdigit(hdr2[0]) \|\| !isdigit(hdr3[0]))
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	933 {
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	934 res = dmError(DMERR_NOT_SUPPORTED,
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	935 "PPM: Not a supported PPM/PGM format image.\n");
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	936 goto error;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	937 }
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	938
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	939 switch (hdr1[1])
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	940 {
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	941 case '6': itype = DM_PIXFMT_RGB; break;
9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	942 case '5': itype = DM_PIXFMT_GRAYSCALE; break;
2092 614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	943 default:
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	944 res = dmError(DMERR_NOT_SUPPORTED,
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	945 "PPM: Unsupported PPM/PNM/PGM subtype.\n");
2092 614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	946 goto error;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	947 }
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	948
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	949 if (sscanf(hdr2, "%u %u", &width, &height) != 2)
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	950 {
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	951 res = dmError(DMERR_INVALID_DATA,
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	952 "PPM: Invalid PPM/PGM image dimensions.\n");
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	953 goto error;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	954 }
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	955
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	956 dmMsg(2, "PPM: %d x %d, type=%d\n",
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	957 width, height, itype);
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	958
2092 614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	959 if ((*pimg = img = dmImageAlloc(width, height, itype, -1)) == NULL)
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	960 {
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	961 res = dmError(DMERR_MALLOC,
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	962 "PPM: Could not allocate image data.\n");
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	963 goto error;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	964 }
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	965
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	966 if (!dmf_read_str(fp, img->data, img->size))
2092 614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	967 {
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	968 res = dmError(DMERR_FREAD,
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	969 "PPM: Could not read image data.\n");
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	970 goto error;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	971 }
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	972
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	973 error:
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	974
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	975 return res;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	976 }
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	977
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	978
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	979 static int fmtProbePPM(const Uint8 *buf, const size_t len)
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	980 {
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	981 if (len > 32 &&
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	982 buf[0] == 'P' &&
2101 da886b8cbb09 Improve PPM/PGM/PNM probing and header parsing. Matti Hamalainen <ccr@tnsp.org> parents: 2100 diff changeset	983 (buf[1] == '5' \|\| buf[1] == '6'))
2092 614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	984 return DM_PROBE_SCORE_MAX;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	985
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	986 return DM_PROBE_SCORE_FALSE;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	987 }
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	988
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	989
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	990 #ifdef DM_USE_LIBPNG
1613 70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	991 static int fmtProbePNG(const Uint8 *buf, const size_t len)
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	992 {
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	993 if (len > 64 && buf[0] == 0x89 &&
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	994 buf[1] == 'P' && buf[2] == 'N' && buf[3] == 'G' &&
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	995 buf[4] == 0x0d && buf[5] == 0x0a)
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	996 {
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	997 if (buf[12] == 'I' && buf[13] == 'H' &&
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	998 buf[14] == 'D' && buf[15] == 'R')
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	999 return DM_PROBE_SCORE_MAX;
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1000 else
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1001 return DM_PROBE_SCORE_GOOD;
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1002 }
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1003
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1004 return DM_PROBE_SCORE_FALSE;
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1005 }
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1006
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1007
1301 e03f20d0f785 Constify. Matti Hamalainen <ccr@tnsp.org> parents: 1300 diff changeset	1008 static int dmWritePNGRow(void cbdata, const Uint8 row, const size_t len)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1009 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1010 png_structp png_ptr = cbdata;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1011 (void) len;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1012
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1013 if (setjmp(png_jmpbuf(png_ptr)))
808 f8126fa1df9b Use dmlib error code return value in cases where a plain boolean was used Matti Hamalainen <ccr@tnsp.org> parents: 800 diff changeset	1014 return DMERR_INTERNAL;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1015
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1016 png_write_row(png_ptr, row);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1017
808 f8126fa1df9b Use dmlib error code return value in cases where a plain boolean was used Matti Hamalainen <ccr@tnsp.org> parents: 800 diff changeset	1018 return DMERR_OK;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1019 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1020
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1021
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1022 static void dmPNGWriteData(png_structp png_ptr, png_bytep data, png_size_t length)
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1023 {
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1024 DMResource res = (DMResource ) png_get_io_ptr(png_ptr);
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1025
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1026 // XXX TODO: How the fuck does one do error handling here?
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1027 dmf_write_str(res, data, length);
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1028 }
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1029
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1030
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1031 static void dmPNGWriteFlush(png_structp png_ptr)
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1032 {
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1033 (void) png_ptr;
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1034 }
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1035
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1036
2156 e6ec7fad9ce2 Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose. Matti Hamalainen <ccr@tnsp.org> parents: 2154 diff changeset	1037 int dmWritePNGImage(DMResource fp, const DMImage img, const DMImageWriteSpec *spec)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1038 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1039 png_structp png_ptr = NULL;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1040 png_infop info_ptr = NULL;
1304 e968b259605b Fix a warning about potentially clobbered variable due to setjmp() use. Matti Hamalainen <ccr@tnsp.org> parents: 1303 diff changeset	1041 int fmt, res;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1042
2154 1c111bfc17d4 Add check to PNG and PPM output as well. Matti Hamalainen <ccr@tnsp.org> parents: 2153 diff changeset	1043 // Check if we can do this
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	1044 if ((spec->pixfmt == DM_PIXFMT_PALETTE \|\| spec->pixfmt == DM_PIXFMT_GRAYSCALE) &&
9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	1045 img->pixfmt != spec->pixfmt)
2154 1c111bfc17d4 Add check to PNG and PPM output as well. Matti Hamalainen <ccr@tnsp.org> parents: 2153 diff changeset	1046 {
1c111bfc17d4 Add check to PNG and PPM output as well. Matti Hamalainen <ccr@tnsp.org> parents: 2153 diff changeset	1047 return dmError(DMERR_NOT_SUPPORTED,
1c111bfc17d4 Add check to PNG and PPM output as well. Matti Hamalainen <ccr@tnsp.org> parents: 2153 diff changeset	1048 "Conversion of non-indexed image to indexed not supported yet.\n");
1c111bfc17d4 Add check to PNG and PPM output as well. Matti Hamalainen <ccr@tnsp.org> parents: 2153 diff changeset	1049 }
1c111bfc17d4 Add check to PNG and PPM output as well. Matti Hamalainen <ccr@tnsp.org> parents: 2153 diff changeset	1050
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1051 // Create PNG structures
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1052 png_ptr = png_create_write_struct(
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1053 PNG_LIBPNG_VER_STRING,
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1054 NULL, NULL, NULL);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1055
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1056 if (png_ptr == NULL)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1057 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1058 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1059 "PNG: png_create_write_struct() failed.\n");
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1060 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1061 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1062
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1063 info_ptr = png_create_info_struct(png_ptr);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1064 if (info_ptr == NULL)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1065 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1066 res = dmError(DMERR_INIT_FAIL,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1067 "PNG: png_create_info_struct(%p) failed.\n",
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1068 png_ptr);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1069 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1070 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1071
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1072 if (setjmp(png_jmpbuf(png_ptr)))
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1073 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1074 res = dmError(DMERR_INIT_FAIL,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1075 "PNG: Error during image writing..\n");
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1076 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1077 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1078
1304 e968b259605b Fix a warning about potentially clobbered variable due to setjmp() use. Matti Hamalainen <ccr@tnsp.org> parents: 1303 diff changeset	1079 res = DMERR_OK;
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1080 png_set_write_fn(png_ptr, fp, dmPNGWriteData, dmPNGWriteFlush);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1081
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1082 // Write PNG header info
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	1083 switch (spec->pixfmt)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1084 {
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	1085 case DM_PIXFMT_PALETTE : fmt = PNG_COLOR_TYPE_PALETTE; break;
9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	1086 case DM_PIXFMT_GRAYSCALE : fmt = PNG_COLOR_TYPE_GRAY; break;
9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	1087 case DM_PIXFMT_RGB : fmt = PNG_COLOR_TYPE_RGB; break;
9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	1088 case DM_PIXFMT_RGBA : fmt = PNG_COLOR_TYPE_RGB_ALPHA; break;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1089 default:
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1090 res = dmError(DMERR_NOT_SUPPORTED,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1091 "PNG: Unsupported image format %d.\n",
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	1092 spec->pixfmt);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1093 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1094 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1095
2022 eb6dafdd36dc Add option -C for controlling output file compression (PNG and IFF for now) in gfxconv. Matti Hamalainen <ccr@tnsp.org> parents: 2020 diff changeset	1096 png_set_compression_level(png_ptr, spec->compression);
eb6dafdd36dc Add option -C for controlling output file compression (PNG and IFF for now) in gfxconv. Matti Hamalainen <ccr@tnsp.org> parents: 2020 diff changeset	1097
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1098 png_set_IHDR(png_ptr, info_ptr,
902 c6c480e8e1c8 Add separate X and Y scaling to gfxconv and libgfx outputters. Matti Hamalainen <ccr@tnsp.org> parents: 858 diff changeset	1099 img->width * spec->scaleX,
c6c480e8e1c8 Add separate X and Y scaling to gfxconv and libgfx outputters. Matti Hamalainen <ccr@tnsp.org> parents: 858 diff changeset	1100 img->height * spec->scaleY,
2091 3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	1101 8, // bits per component: TODO: FIXME: calculate and use
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1102 fmt,
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1103 PNG_INTERLACE_NONE,
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1104 PNG_COMPRESSION_TYPE_DEFAULT,
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1105 PNG_FILTER_TYPE_DEFAULT);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1106
1287 32051ad352c8 Adjust debug messages and debug message levels in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1286 diff changeset	1107 dmMsg(2, "PNG: %d x %d, depth=%d, type=%d\n",
902 c6c480e8e1c8 Add separate X and Y scaling to gfxconv and libgfx outputters. Matti Hamalainen <ccr@tnsp.org> parents: 858 diff changeset	1108 img->width * spec->scaleX,
c6c480e8e1c8 Add separate X and Y scaling to gfxconv and libgfx outputters. Matti Hamalainen <ccr@tnsp.org> parents: 858 diff changeset	1109 img->height * spec->scaleY,
460 0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	1110 8, fmt);
0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	1111
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1112 // Palette
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	1113 if (spec->pixfmt == DM_PIXFMT_PALETTE)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1114 {
858 e7019bd83cca Fix potential longjmp clobbering of variable. Matti Hamalainen <ccr@tnsp.org> parents: 834 diff changeset	1115 png_colorp palette = png_malloc(png_ptr, PNG_MAX_PALETTE_LENGTH * sizeof(png_color));
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1116
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1117 if (palette == NULL)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1118 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1119 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1120 "PNG: Could not allocate palette structure.");
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1121 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1122 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1123
1167 848a88ce7a57 Use dmMemset(). Matti Hamalainen <ccr@tnsp.org> parents: 1152 diff changeset	1124 dmMemset(palette, 0, PNG_MAX_PALETTE_LENGTH * sizeof(png_color));
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1125
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1126 for (int i = 0; i < img->pal->ncolors; i++)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1127 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1128 palette[i].red = img->pal->colors[i].r;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1129 palette[i].green = img->pal->colors[i].g;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1130 palette[i].blue = img->pal->colors[i].b;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1131 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1132
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1133 png_set_PLTE(png_ptr, info_ptr, palette, img->pal->ncolors);
1938 a8e475eede4a Fix two memory leaks in the PNG writer/reader of libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1921 diff changeset	1134 png_free(png_ptr, palette);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1135 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1136
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1137 // png_set_gAMA(png_ptr, info_ptr, 2.2);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1138
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1139 png_write_info(png_ptr, info_ptr);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1140
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1141
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1142 // Write compressed image data
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1143 dmWriteImageData(img, (void *) png_ptr, dmWritePNGRow, spec);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1144
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1145 // Write footer
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1146 png_write_end(png_ptr, NULL);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1147
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1148 error:
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1149 if (png_ptr && info_ptr)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1150 png_destroy_write_struct(&png_ptr, &info_ptr);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1151
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1152 return res;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1153 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1154
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1155
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1156 void dmPNGReadData(png_structp png_ptr, png_bytep data, png_size_t length)
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1157 {
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1158 DMResource res = (DMResource ) png_get_io_ptr(png_ptr);
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1159
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1160 // XXX TODO: How the fuck does one do error handling here?
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1161 dmf_read_str(res, data, length);
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1162 }
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1163
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	1164
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	1165 int dmReadPNGImage(DMResource fp, DMImage *pimg)
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1166 {
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1167 png_structp png_ptr = NULL;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1168 png_infop info_ptr = NULL;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1169 png_colorp palette = NULL;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1170 png_bytep *row_pointers = NULL;
460 0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	1171 png_bytep trans = NULL;
1940 c77019065b96 Initialize two variables to zero, as valgrind complains about them despite Matti Hamalainen <ccr@tnsp.org> parents: 1939 diff changeset	1172 png_uint_32 width, height, res_x = 0, res_y = 0;
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1173 int res, itype, bit_depth, color_type, ncolors, ntrans, unit_type;
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1174 DMImage *img;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1175
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1176 // Create PNG structures
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1177 png_ptr = png_create_read_struct(
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1178 PNG_LIBPNG_VER_STRING,
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1179 NULL, NULL, NULL);
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1180
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1181 if (png_ptr == NULL)
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1182 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1183 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1184 "PNG: png_create_write_struct() failed.\n");
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1185 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1186 }
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1187
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1188 info_ptr = png_create_info_struct(png_ptr);
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1189 if (info_ptr == NULL)
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1190 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1191 res = dmError(DMERR_INIT_FAIL,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1192 "PNG: png_create_info_struct(%p) failed.\n",
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1193 png_ptr);
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1194 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1195 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1196
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1197 if (setjmp(png_jmpbuf(png_ptr)))
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1198 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1199 res = dmError(DMERR_INIT_FAIL,
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1200 "PNG: Error during image reading.\n");
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1201 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1202 }
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1203
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1204 png_set_read_fn(png_ptr, fp, dmPNGReadData);
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1205
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1206 // Read image information
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1207 png_read_info(png_ptr, info_ptr);
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1208
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1209 png_get_IHDR(png_ptr, info_ptr, &width, &height,
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1210 &bit_depth, &color_type, NULL, NULL, NULL);
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1211
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1212 if (width < 1 \|\| height < 1)
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1213 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1214 res = dmError(DMERR_INVALID_DATA,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1215 "PNG: Invalid width or height (%d x %d)\n",
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1216 width, height);
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1217 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1218 }
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1219
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1220 switch (color_type)
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1221 {
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1222 case PNG_COLOR_TYPE_GRAY:
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1223 if (bit_depth > 8)
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1224 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1225 res = dmError(DMERR_NOT_SUPPORTED,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1226 "PNG: Unsupported bit depth for grayscale image: %d\n",
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1227 bit_depth);
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1228 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1229 }
2093 d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1230
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1231 if (bit_depth < 8)
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1232 png_set_expand_gray_1_2_4_to_8(png_ptr);
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1233
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	1234 itype = DM_PIXFMT_GRAYSCALE;
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1235 break;
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1236
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1237 case PNG_COLOR_TYPE_PALETTE:
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1238 png_set_packing(png_ptr);
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	1239 itype = DM_PIXFMT_PALETTE;
2093 d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1240 break;
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1241
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1242 case PNG_COLOR_TYPE_RGB:
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	1243 itype = DM_PIXFMT_RGB;
2093 d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1244 break;
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1245
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1246 case PNG_COLOR_TYPE_RGBA:
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	1247 itype = DM_PIXFMT_RGBA;
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1248 break;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1249
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1250 default:
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1251 res = dmError(DMERR_NOT_SUPPORTED,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1252 "PNG: RGB/RGBA images not supported for loading.\n");
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1253 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1254 }
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1255
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1256 // Allocate image
1287 32051ad352c8 Adjust debug messages and debug message levels in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1286 diff changeset	1257 dmMsg(2, "PNG: %d x %d, depth=%d, type=%d\n",
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1258 width, height, bit_depth, color_type);
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1259
1300 fd442faa705f "Fix" the PNG/ILBM decoding to not use actual bitdepths for indexed images, but force 8bits. Matti Hamalainen <ccr@tnsp.org> parents: 1299 diff changeset	1260 if ((*pimg = img = dmImageAlloc(width, height,
2093 d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1261 itype,
1300 fd442faa705f "Fix" the PNG/ILBM decoding to not use actual bitdepths for indexed images, but force 8bits. Matti Hamalainen <ccr@tnsp.org> parents: 1299 diff changeset	1262 // XXX TODO? When/if we ever handle < 8bit indexed correctly, we can use the actual bpp
fd442faa705f "Fix" the PNG/ILBM decoding to not use actual bitdepths for indexed images, but force 8bits. Matti Hamalainen <ccr@tnsp.org> parents: 1299 diff changeset	1263 -1 /* bit_depth */)) == NULL)
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1264 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1265 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1266 "PNG: Could not allocate image data.\n");
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1267 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1268 }
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1269
1628 a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	1270 // Set image aspect ratio
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	1271 png_get_pHYs(png_ptr, info_ptr, &res_x, &res_y, &unit_type);
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	1272
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	1273 if (res_x > 0 && res_y > 0 &&
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	1274 res_y / res_x != (unsigned) (img->height / img->width))
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	1275 img->aspect = (float) res_y / (float) res_x;
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	1276
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1277 // ...
1938 a8e475eede4a Fix two memory leaks in the PNG writer/reader of libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1921 diff changeset	1278 if ((row_pointers = png_malloc(png_ptr, height * sizeof(png_bytep))) == NULL)
a8e475eede4a Fix two memory leaks in the PNG writer/reader of libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1921 diff changeset	1279 goto error;
a8e475eede4a Fix two memory leaks in the PNG writer/reader of libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1921 diff changeset	1280
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1281 for (int i = 0; i < img->height; i++)
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1282 row_pointers[i] = img->data + (i * img->pitch);
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1283
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1284 png_read_image(png_ptr, row_pointers);
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1285
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1286 png_read_end(png_ptr, NULL);
1945 80d67f0e8567 Better fix for the PNG reader memory leak. Matti Hamalainen <ccr@tnsp.org> parents: 1942 diff changeset	1287 png_free(png_ptr, row_pointers);
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1288
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1289 // Create palette
2093 d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1290 if (color_type == PNG_COLOR_TYPE_PALETTE)
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1291 {
2093 d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1292 png_get_PLTE(png_ptr, info_ptr, &palette, &ncolors);
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1293 if (ncolors > 0 && palette != NULL)
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1294 {
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1295 dmMsg(2, "PNG: Palette of %d colors found.\n", ncolors);
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1296
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1297 if ((res = dmPaletteAlloc(&(img->pal), ncolors, -1)) != DMERR_OK)
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1298 goto error;
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1299
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1300 for (int i = 0; i < img->pal->ncolors; i++)
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1301 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1302 img->pal->colors[i].r = palette[i].red;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1303 img->pal->colors[i].g = palette[i].green;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1304 img->pal->colors[i].b = palette[i].blue;
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1305 }
2093 d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1306 }
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1307
460 0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	1308 png_get_tRNS(png_ptr, info_ptr, &trans, &ntrans, NULL);
467 80d09ea85e75 Check for NULL pointers from png_get_tRNS and png_get_PLTE. Matti Hamalainen <ccr@tnsp.org> parents: 465 diff changeset	1309 if (trans != NULL && ntrans > 0)
460 0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	1310 {
2091 3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	1311 dmMsg(2, "PNG: %d transparent colors.\n", ntrans);
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1312 for (int i = 0; i < img->pal->ncolors && i < ntrans; i++)
467 80d09ea85e75 Check for NULL pointers from png_get_tRNS and png_get_PLTE. Matti Hamalainen <ccr@tnsp.org> parents: 465 diff changeset	1313 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1314 img->pal->colors[i].a = trans[i];
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1315 if (img->pal->ctransp < 0 && trans[i] == 0)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1316 img->pal->ctransp = i;
467 80d09ea85e75 Check for NULL pointers from png_get_tRNS and png_get_PLTE. Matti Hamalainen <ccr@tnsp.org> parents: 465 diff changeset	1317 }
460 0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	1318 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1319 }
460 0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	1320
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1321 res = DMERR_OK;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1322
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1323 error:
1939 bc00373e5a90 Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 1938 diff changeset	1324 if (png_ptr != NULL && info_ptr != NULL)
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1325 png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1326
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1327 return res;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1328 }
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1329 #endif
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1330
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1331
1613 70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1332 //
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1333 // Z-Soft PCX format
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1334 //
2207 1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	1335 #define PCX_PAL_COLORS 16 // Number of internal palette colors
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1336
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1337 typedef struct
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1338 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1339 Uint8 r,g,b;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1340 } DMPCXColor;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1341
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1342
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1343 typedef struct
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1344 {
2091 3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	1345 Uint8
3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	1346 manufacturer, // always 0x0a
3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	1347 version, // Z-Soft PC Paintbrush version:
1288 6c8b19d1d196 More work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1287 diff changeset	1348 // 0 = v2.5
6c8b19d1d196 More work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1287 diff changeset	1349 // 2 = v2.8 with palette,
6c8b19d1d196 More work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1287 diff changeset	1350 // 3 = v2.8 without palette
6c8b19d1d196 More work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1287 diff changeset	1351 // 4 = PC Paintbrush for Windows
6c8b19d1d196 More work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1287 diff changeset	1352 // 5 = v3.0 or better
2091 3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	1353 encoding, // usually 0x01 = RLE, 0x00 = uncompressed
3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	1354 bitsPerPlane; // bits per pixel per plane
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1355
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1356 Uint16 xmin, ymin, xmax, ymax;
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1357 Uint16 hres, vres; // resolution in DPI, can be image dimensions as well.
2207 1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	1358 DMPCXColor colorMap[PCX_PAL_COLORS];
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1359 Uint8 reserved; // should be set to 0
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1360 Uint8 nplanes; // number of planes
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1361 Uint16 bpl; // bytes per plane LINE
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1362 Uint16 palInfo; // 1 = color/BW, 2 = grayscale
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1363 Uint16 hScreenSize, vScreenSize;
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1364 Uint8 filler[54];
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1365 } DMPCXHeader;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1366
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1367
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1368 typedef struct
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1369 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1370 DMPCXHeader *header;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1371 Uint8 *buf;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1372 size_t bufLen, bufOffs;
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1373 DMResource *fp;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1374 } DMPCXData;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1375
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1376
1613 70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1377 static int fmtProbePCX(const Uint8 *buf, const size_t len)
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1378 {
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1379 if (len > 128 + 32 &&
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1380 (buf[1] == 5 \|\| buf[1] == 2 \|\| buf[1] == 3) &&
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1381 buf[2] == 1 &&
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1382 (buf[3] == 8 \|\| buf[3] == 4 \|\| buf[3] == 3 \|\| buf[3] == 1) &&
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1383 buf[65] >= 1 && buf[65] <= 4)
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1384 return DM_PROBE_SCORE_GOOD;
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1385
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1386 return DM_PROBE_SCORE_FALSE;
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1387 }
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1388
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1389
1298 f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1390 // Returns one byte from row buffer (of length len) at offset soffs,
f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1391 // OR zero if the offset is outside buffer.
1301 e03f20d0f785 Constify. Matti Hamalainen <ccr@tnsp.org> parents: 1300 diff changeset	1392 static inline Uint8 dmPCXGetByte(const Uint8 *row, const size_t len, const size_t soffs)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1393 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1394 return (soffs < len) ? row[soffs] : 0;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1395 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1396
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1397 static BOOL dmPCXFlush(DMPCXData *pcx)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1398 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1399 BOOL ret = TRUE;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1400 if (pcx->bufOffs > 0)
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1401 ret = dmf_write_str(pcx->fp, pcx->buf, pcx->bufOffs);
1297 5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1402
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1403 pcx->bufOffs = 0;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1404 return ret;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1405 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1406
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1407 static inline BOOL dmPCXPutByte(DMPCXData *pcx, const Uint8 val)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1408 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1409 if (pcx->bufOffs < pcx->bufLen)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1410 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1411 pcx->buf[pcx->bufOffs++] = val;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1412 return TRUE;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1413 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1414 else
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1415 return dmPCXFlush(pcx);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1416 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1417
1297 5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1418
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1419 static int dmPCXPutData(DMPCXData *pcx, const Uint8 data, const int count)
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1420 {
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1421 if (count == 1 && (data & 0xC0) != 0xC0)
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1422 {
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1423 if (!dmPCXPutByte(pcx, data))
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1424 return DMERR_FWRITE;
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1425 }
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1426 else
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1427 {
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1428 if (!dmPCXPutByte(pcx, 0xC0 \| count) \|\|
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1429 !dmPCXPutByte(pcx, data))
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1430 return DMERR_FWRITE;
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1431 }
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1432 return DMERR_OK;
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1433 }
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1434
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1435
1301 e03f20d0f785 Constify. Matti Hamalainen <ccr@tnsp.org> parents: 1300 diff changeset	1436 static int dmWritePCXRow(void cbdata, const Uint8 row, const size_t len)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1437 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1438 DMPCXData pcx = (DMPCXData ) cbdata;
1297 5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1439 int err;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1440 size_t soffs = 0;
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1441
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1442 pcx->bufOffs = 0;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1443
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1444 for (int plane = 0; plane < pcx->header->nplanes; plane++)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1445 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1446 Uint8 data = dmPCXGetByte(row, len, soffs++),
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1447 count = 1;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1448
1297 5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1449 size_t blen = pcx->header->bpl * pcx->header->nplanes;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1450 while (soffs < blen)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1451 {
1297 5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1452 if (data == dmPCXGetByte(row, len, soffs) && count < 0x3F)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1453 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1454 count++;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1455 soffs++;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1456 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1457 else
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1458 {
1297 5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1459 if ((err = dmPCXPutData(pcx, data, count)) != DMERR_OK)
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1460 return err;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1461
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1462 data = dmPCXGetByte(row, len, soffs++);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1463 count = 1;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1464 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1465 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1466
1297 5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1467 if ((err = dmPCXPutData(pcx, data, count)) != DMERR_OK)
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1468 return err;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1469
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1470 if (!dmPCXFlush(pcx))
808 f8126fa1df9b Use dmlib error code return value in cases where a plain boolean was used Matti Hamalainen <ccr@tnsp.org> parents: 800 diff changeset	1471 return DMERR_FWRITE;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1472 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1473
808 f8126fa1df9b Use dmlib error code return value in cases where a plain boolean was used Matti Hamalainen <ccr@tnsp.org> parents: 800 diff changeset	1474 return DMERR_OK;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1475 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1476
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1477
2156 e6ec7fad9ce2 Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose. Matti Hamalainen <ccr@tnsp.org> parents: 2154 diff changeset	1478 int dmWritePCXImage(DMResource fp, const DMImage img, const DMImageWriteSpec *pspec)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1479 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1480 DMPCXData pcx;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1481 DMPCXHeader hdr;
2156 e6ec7fad9ce2 Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose. Matti Hamalainen <ccr@tnsp.org> parents: 2154 diff changeset	1482 DMImageWriteSpec spec;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1483 int res;
1302 38614c07c2e2 Now with "almost" working 24bit PCX output. Almost. Matti Hamalainen <ccr@tnsp.org> parents: 1301 diff changeset	1484
1303 be30466fbc47 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1302 diff changeset	1485 // Always force planar for PCX
2156 e6ec7fad9ce2 Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose. Matti Hamalainen <ccr@tnsp.org> parents: 2154 diff changeset	1486 memcpy(&spec, pspec, sizeof(DMImageWriteSpec));
1302 38614c07c2e2 Now with "almost" working 24bit PCX output. Almost. Matti Hamalainen <ccr@tnsp.org> parents: 1301 diff changeset	1487 spec.planar = TRUE;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1488
1450 61a486e25dc7 24bit PCX writing does not work correctly, so return DMERR_NOT_SUPPORTED in the writer function. Matti Hamalainen <ccr@tnsp.org> parents: 1341 diff changeset	1489 // XXX: 24bit PCX does not work yet ..
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	1490 if ((img->pixfmt != DM_PIXFMT_PALETTE && img->pixfmt != DM_PIXFMT_GRAYSCALE) \|\|
9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	1491 (spec.pixfmt != DM_PIXFMT_PALETTE && spec.pixfmt != DM_PIXFMT_GRAYSCALE))
1800 45e7688336dc Fix checks for NULL palette in index/palette images. Also improve error Matti Hamalainen <ccr@tnsp.org> parents: 1730 diff changeset	1492 {
45e7688336dc Fix checks for NULL palette in index/palette images. Also improve error Matti Hamalainen <ccr@tnsp.org> parents: 1730 diff changeset	1493 return dmError(DMERR_NOT_SUPPORTED,
45e7688336dc Fix checks for NULL palette in index/palette images. Also improve error Matti Hamalainen <ccr@tnsp.org> parents: 1730 diff changeset	1494 "24bit PCX not supported yet.\n");
45e7688336dc Fix checks for NULL palette in index/palette images. Also improve error Matti Hamalainen <ccr@tnsp.org> parents: 1730 diff changeset	1495 }
45e7688336dc Fix checks for NULL palette in index/palette images. Also improve error Matti Hamalainen <ccr@tnsp.org> parents: 1730 diff changeset	1496
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	1497 if (spec.pixfmt == DM_PIXFMT_PALETTE && img->pal == NULL)
1800 45e7688336dc Fix checks for NULL palette in index/palette images. Also improve error Matti Hamalainen <ccr@tnsp.org> parents: 1730 diff changeset	1498 {
45e7688336dc Fix checks for NULL palette in index/palette images. Also improve error Matti Hamalainen <ccr@tnsp.org> parents: 1730 diff changeset	1499 return dmError(DMERR_NULLPTR,
45e7688336dc Fix checks for NULL palette in index/palette images. Also improve error Matti Hamalainen <ccr@tnsp.org> parents: 1730 diff changeset	1500 "Image spec says paletted/indexed image, but palette pointer is NULL.\n");
45e7688336dc Fix checks for NULL palette in index/palette images. Also improve error Matti Hamalainen <ccr@tnsp.org> parents: 1730 diff changeset	1501 }
1450 61a486e25dc7 24bit PCX writing does not work correctly, so return DMERR_NOT_SUPPORTED in the writer function. Matti Hamalainen <ccr@tnsp.org> parents: 1341 diff changeset	1502
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1503 // Create output file
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1504 pcx.buf = NULL;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1505 pcx.header = &hdr;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1506 pcx.fp = fp;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1507
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1508 // Create PCX header
1167 848a88ce7a57 Use dmMemset(). Matti Hamalainen <ccr@tnsp.org> parents: 1152 diff changeset	1509 dmMemset(&hdr, 0, sizeof(hdr));
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	1510 if (spec.pixfmt == DM_PIXFMT_PALETTE \|\|
9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	1511 spec.pixfmt == DM_PIXFMT_GRAYSCALE)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1512 {
2207 1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	1513 const int ncolors = img->pal->ncolors > PCX_PAL_COLORS ? PCX_PAL_COLORS : img->pal->ncolors;
2016 7114ea4c3c42 Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 1948 diff changeset	1514 for (int i = 0; i < ncolors; i++)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1515 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1516 hdr.colorMap[i].r = img->pal->colors[i].r;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1517 hdr.colorMap[i].g = img->pal->colors[i].g;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1518 hdr.colorMap[i].b = img->pal->colors[i].b;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1519 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1520 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1521 hdr.manufacturer = 10;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1522 hdr.version = 5;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1523 hdr.encoding = 1;
1302 38614c07c2e2 Now with "almost" working 24bit PCX output. Almost. Matti Hamalainen <ccr@tnsp.org> parents: 1301 diff changeset	1524 hdr.hres = img->width * spec.scaleX;
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost. Matti Hamalainen <ccr@tnsp.org> parents: 1301 diff changeset	1525 hdr.vres = img->height * spec.scaleY;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1526 hdr.xmin = hdr.ymin = 0;
1302 38614c07c2e2 Now with "almost" working 24bit PCX output. Almost. Matti Hamalainen <ccr@tnsp.org> parents: 1301 diff changeset	1527 hdr.xmax = (img->width * spec.scaleX) - 1;
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost. Matti Hamalainen <ccr@tnsp.org> parents: 1301 diff changeset	1528 hdr.ymax = (img->height * spec.scaleY) - 1;
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1529 hdr.palInfo = 1;
1283 642a0dd98c6e Oops, forgot to adjust the writing and reading when adding two members to Matti Hamalainen <ccr@tnsp.org> parents: 1281 diff changeset	1530 hdr.hScreenSize = hdr.hres;
642a0dd98c6e Oops, forgot to adjust the writing and reading when adding two members to Matti Hamalainen <ccr@tnsp.org> parents: 1281 diff changeset	1531 hdr.vScreenSize = hdr.vres;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1532
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1533 // TODO XXX .. maybe actually compute these asdf
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1534 hdr.bitsPerPlane = 8;
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	1535 hdr.nplanes = dmImageGetBytesPerPixel(spec.pixfmt);
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1536
1302 38614c07c2e2 Now with "almost" working 24bit PCX output. Almost. Matti Hamalainen <ccr@tnsp.org> parents: 1301 diff changeset	1537 res = img->width * spec.scaleX;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1538 hdr.bpl = res / 2;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1539 if (res % 2) hdr.bpl++;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1540 hdr.bpl *= 2;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1541
1297 5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1542 dmMsg(2,
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1543 "PCX: xmin=%d, ymin=%d, xmax=%d, ymax=%d, res=%dx%d, scr=%dx%d\n",
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1544 hdr.xmin, hdr.ymin, hdr.xmax, hdr.ymax,
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1545 hdr.hres, hdr.vres,
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1546 hdr.hScreenSize, hdr.vScreenSize);
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1547
2065 451980580189 Refactor how paletted/indexed formats are handled in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 2064 diff changeset	1548 dmMsg(2, "PCX: nplanes=%d, bpp=%d, bpl=%d, colfmt=%d, planar=%s\n",
1302 38614c07c2e2 Now with "almost" working 24bit PCX output. Almost. Matti Hamalainen <ccr@tnsp.org> parents: 1301 diff changeset	1549 hdr.nplanes, hdr.bitsPerPlane, hdr.bpl,
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	1550 spec.pixfmt,
1302 38614c07c2e2 Now with "almost" working 24bit PCX output. Almost. Matti Hamalainen <ccr@tnsp.org> parents: 1301 diff changeset	1551 spec.planar ? "yes" : "no"
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost. Matti Hamalainen <ccr@tnsp.org> parents: 1301 diff changeset	1552 );
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1553
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1554 // TODO XXX this is also bogus
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1555 pcx.bufLen = hdr.bpl * 4;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1556 if ((pcx.buf = dmMalloc(pcx.bufLen)) == NULL)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1557 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1558 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1559 "PCX: Could not allocate %d bytes for RLE compression buffer.\n",
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1560 pcx.bufLen);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1561 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1562 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1563
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1564 // Write PCX header
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1565 if (!dmf_write_byte(pcx.fp, hdr.manufacturer) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1566 !dmf_write_byte(pcx.fp, hdr.version) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1567 !dmf_write_byte(pcx.fp, hdr.encoding) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1568 !dmf_write_byte(pcx.fp, hdr.bitsPerPlane))
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1569 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1570 res = dmError(DMERR_FWRITE,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1571 "PCX: Could not write basic header data.\n");
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1572 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1573 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1574
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1575 if (!dmf_write_le16(pcx.fp, hdr.xmin) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1576 !dmf_write_le16(pcx.fp, hdr.ymin) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1577 !dmf_write_le16(pcx.fp, hdr.xmax) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1578 !dmf_write_le16(pcx.fp, hdr.ymax) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1579 !dmf_write_le16(pcx.fp, hdr.hres) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1580 !dmf_write_le16(pcx.fp, hdr.vres))
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1581 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1582 res = dmError(DMERR_FWRITE,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1583 "PCX: Could not write image dimensions.\n");
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1584 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1585 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1586
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1587 if (!dmf_write_str(pcx.fp, (Uint8 *) &hdr.colorMap, sizeof(hdr.colorMap)))
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1588 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1589 res = dmError(DMERR_FWRITE,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1590 "PCX: Could not write colormap.\n");
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1591 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1592 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1593
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1594 if (!dmf_write_byte(pcx.fp, hdr.reserved) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1595 !dmf_write_byte(pcx.fp, hdr.nplanes) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1596 !dmf_write_le16(pcx.fp, hdr.bpl) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1597 !dmf_write_le16(pcx.fp, hdr.palInfo) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1598 !dmf_write_le16(pcx.fp, hdr.hScreenSize) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1599 !dmf_write_le16(pcx.fp, hdr.vScreenSize) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1600 !dmf_write_str(pcx.fp, (Uint8 *) &hdr.filler, sizeof(hdr.filler)))
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1601 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1602 res = dmError(DMERR_FWRITE,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1603 "PCX: Could not write header remainder.\n");
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1604 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1605 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1606
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1607 // Write image data
1302 38614c07c2e2 Now with "almost" working 24bit PCX output. Almost. Matti Hamalainen <ccr@tnsp.org> parents: 1301 diff changeset	1608 res = dmWriteImageData(img, (void *) &pcx, dmWritePCXRow, &spec);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1609
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1610 // Write VGA palette
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	1611 if (spec.pixfmt == DM_PIXFMT_PALETTE \|\|
9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	1612 spec.pixfmt == DM_PIXFMT_GRAYSCALE)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1613 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1614 dmMsg(2, "PCX: Writing palette of %d active entries.\n", img->pal->ncolors);
1294 9f2117f1584a Improve error checking in PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1292 diff changeset	1615
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1616 dmf_write_byte(pcx.fp, 0x0C);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1617
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1618 if ((res = dmPaletteWriteData(fp, img->pal, img->pal->ncolors, 256)) != DMERR_OK)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1619 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1620 res = dmError(DMERR_FWRITE,
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1621 "PCX: Could not write palette data.\n");
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1622 goto error;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1623 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1624 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1625
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1626 error:
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1627 dmFree(pcx.buf);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1628 return res;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1629 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1630
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1631
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1632 static BOOL dmPCXDecodeRLERow(DMResource fp, Uint8 buf, const size_t bufLen)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1633 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1634 size_t offs = 0;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1635 do
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1636 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1637 int count;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1638 Uint8 data;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1639
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1640 if (!dmf_read_byte(fp, &data))
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1641 return FALSE;
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1642
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1643 if ((data & 0xC0) == 0xC0)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1644 {
1284 28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1645 BOOL skip = FALSE;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1646 count = data & 0x3F;
1284 28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1647 if (count == 0)
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1648 {
1285 e4bda4909d72 Make libgfx error mode a global variable, at least for now. Matti Hamalainen <ccr@tnsp.org> parents: 1284 diff changeset	1649 switch (dmGFXErrorMode)
1284 28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1650 {
1285 e4bda4909d72 Make libgfx error mode a global variable, at least for now. Matti Hamalainen <ccr@tnsp.org> parents: 1284 diff changeset	1651 case DM_ERRMODE_RECOV_1:
1284 28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1652 // Use as literal
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1653 skip = TRUE;
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1654 count = 1;
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1655 break;
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1656
1285 e4bda4909d72 Make libgfx error mode a global variable, at least for now. Matti Hamalainen <ccr@tnsp.org> parents: 1284 diff changeset	1657 case DM_ERRMODE_RECOV_2:
1284 28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1658 // Ignore completely
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1659 skip = TRUE;
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1660 break;
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1661
1285 e4bda4909d72 Make libgfx error mode a global variable, at least for now. Matti Hamalainen <ccr@tnsp.org> parents: 1284 diff changeset	1662 case DM_ERRMODE_FAIL:
1284 28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1663 default:
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1664 // Error out on "invalid" data
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1665 return FALSE;
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1666 }
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1667 }
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1668
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1669 if (!skip && !dmf_read_byte(fp, &data))
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1670 return FALSE;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1671 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1672 else
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1673 count = 1;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1674
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1675 while (count-- && offs < bufLen)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1676 buf[offs++] = data;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1677
1284 28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1678 // Check for remaining output count, error out if we wish to
1285 e4bda4909d72 Make libgfx error mode a global variable, at least for now. Matti Hamalainen <ccr@tnsp.org> parents: 1284 diff changeset	1679 if (count > 0 && dmGFXErrorMode == DM_ERRMODE_FAIL)
1284 28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1680 return FALSE;
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1681
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1682 } while (offs < bufLen);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1683
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1684 return TRUE;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1685 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1686
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1687
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	1688 int dmReadPCXImage(DMResource fp, DMImage *pimg)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1689 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1690 DMImage *img;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1691 DMPCXData pcx;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1692 DMPCXHeader hdr;
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1693 int res = 0;
1286 b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1694 BOOL isPaletted;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1695 pcx.buf = NULL;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1696
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1697 // Read PCX header
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1698 if (!dmf_read_byte(fp, &hdr.manufacturer) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1699 !dmf_read_byte(fp, &hdr.version) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1700 !dmf_read_byte(fp, &hdr.encoding) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1701 !dmf_read_byte(fp, &hdr.bitsPerPlane) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1702 !dmf_read_le16(fp, &hdr.xmin) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1703 !dmf_read_le16(fp, &hdr.ymin) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1704 !dmf_read_le16(fp, &hdr.xmax) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1705 !dmf_read_le16(fp, &hdr.ymax) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1706 !dmf_read_le16(fp, &hdr.hres) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1707 !dmf_read_le16(fp, &hdr.vres) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1708 !dmf_read_str(fp, (Uint8 *) &hdr.colorMap, sizeof(hdr.colorMap)) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1709 !dmf_read_byte(fp, &hdr.reserved) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1710 !dmf_read_byte(fp, &hdr.nplanes) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1711 !dmf_read_le16(fp, &hdr.bpl) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1712 !dmf_read_le16(fp, &hdr.palInfo) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1713 !dmf_read_le16(fp, &hdr.hScreenSize) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1714 !dmf_read_le16(fp, &hdr.vScreenSize) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1715 !dmf_read_str(fp, (Uint8 *) &hdr.filler, sizeof(hdr.filler)))
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1716 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1717 res = dmError(DMERR_FREAD,
1298 f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1718 "PCX: Could not read image header data.\n");
f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1719 goto error;
f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1720 }
f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1721
f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1722 if (hdr.manufacturer != 10 \|\|
f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1723 hdr.version > 5 \|\|
f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1724 hdr.encoding != 1)
f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1725 {
f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1726 res = dmError(DMERR_NOT_SUPPORTED,
f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1727 "PCX: Not a PCX file, or unsupported variant.\n");
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1728 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1729 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1730
1299 b0c0be4c76f9 Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now. Matti Hamalainen <ccr@tnsp.org> parents: 1298 diff changeset	1731 if (hdr.nplanes == 4 && hdr.bitsPerPlane == 4)
b0c0be4c76f9 Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now. Matti Hamalainen <ccr@tnsp.org> parents: 1298 diff changeset	1732 {
b0c0be4c76f9 Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now. Matti Hamalainen <ccr@tnsp.org> parents: 1298 diff changeset	1733 dmMsg(2,
2078 b2f1ce24f81b Be more informative when attempting to figure out broken PCX file. Matti Hamalainen <ccr@tnsp.org> parents: 2071 diff changeset	1734 "PCX: Probably invalid combination of nplanes=%d and bpp=%d, attempting to fix ..\n",
b2f1ce24f81b Be more informative when attempting to figure out broken PCX file. Matti Hamalainen <ccr@tnsp.org> parents: 2071 diff changeset	1735 hdr.nplanes, hdr.bitsPerPlane);
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1736
1299 b0c0be4c76f9 Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now. Matti Hamalainen <ccr@tnsp.org> parents: 1298 diff changeset	1737 hdr.bitsPerPlane = 1;
b0c0be4c76f9 Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now. Matti Hamalainen <ccr@tnsp.org> parents: 1298 diff changeset	1738 }
b0c0be4c76f9 Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now. Matti Hamalainen <ccr@tnsp.org> parents: 1298 diff changeset	1739
1295 7a986f33895e Fix isPaletted check in PCX reader :P Matti Hamalainen <ccr@tnsp.org> parents: 1294 diff changeset	1740 isPaletted = (hdr.bitsPerPlane * hdr.nplanes) <= 8;
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1741
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1742 dmMsg(2,
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1743 "PCX: xmin=%d, ymin=%d, xmax=%d, ymax=%d, res=%dx%d, scr=%dx%d\n",
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1744 hdr.xmin, hdr.ymin, hdr.xmax, hdr.ymax,
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1745 hdr.hres, hdr.vres,
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1746 hdr.hScreenSize, hdr.vScreenSize);
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1747
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1748 dmMsg(2,
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1749 "PCX: nplanes=%d, bpp=%d, bpl=%d, isPaletted=%s\n",
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1750 hdr.nplanes, hdr.bitsPerPlane, hdr.bpl, isPaletted ? "yes" : "no");
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1751
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1752 if (hdr.nplanes < 1 \|\| hdr.nplanes > 8)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1753 {
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1754 res = dmError(DMERR_NOT_SUPPORTED,
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1755 "PCX: Unsupported number of bitplanes %d.\n",
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1756 hdr.nplanes);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1757 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1758 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1759
1286 b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1760 if (!isPaletted)
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1761 {
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1762 res = dmError(DMERR_NOT_SUPPORTED,
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1763 "PCX: Non-indexed (truecolour) PCX images not supported for loading.\n");
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1764 goto error;
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1765 }
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1766
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1767 // Allocate image
1286 b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1768 if ((*pimg = img = dmImageAlloc(hdr.xmax - hdr.xmin + 1, hdr.ymax - hdr.ymin + 1,
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	1769 isPaletted ? DM_PIXFMT_PALETTE : DM_PIXFMT_RGB,
1299 b0c0be4c76f9 Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now. Matti Hamalainen <ccr@tnsp.org> parents: 1298 diff changeset	1770 // XXX TODO? When/if we ever handle < 8bit indexed correctly, we can use the actual bpp
b0c0be4c76f9 Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now. Matti Hamalainen <ccr@tnsp.org> parents: 1298 diff changeset	1771 // isPaletted ? (hdr.bitsPerPlane * hdr.nplanes) : -1
b0c0be4c76f9 Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now. Matti Hamalainen <ccr@tnsp.org> parents: 1298 diff changeset	1772 -1
b0c0be4c76f9 Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now. Matti Hamalainen <ccr@tnsp.org> parents: 1298 diff changeset	1773 )) == NULL)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1774 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1775 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1776 "PCX: Could not allocate image structure.\n");
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1777 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1778 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1779
1628 a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	1780 // Set image aspect ratio
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	1781 if (hdr.hScreenSize > 0 && hdr.vScreenSize > 0 &&
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	1782 hdr.vScreenSize / hdr.hScreenSize != img->height / img->width)
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	1783 img->aspect = (float) hdr.vScreenSize / (float) hdr.hScreenSize;
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	1784
1298 f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1785 // Sanity check bytes per line value
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1786 if (hdr.bpl < (img->width * hdr.bitsPerPlane) / 8)
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1787 {
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1788 res = dmError(DMERR_MALLOC,
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1789 "PCX: The bytes per plane line value %d is smaller than width*bpp/8 = %d!\n",
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1790 hdr.bpl, (img->width * hdr.bitsPerPlane) / 8);
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1791 goto error;
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1792 }
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1793
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1794 pcx.bufLen = hdr.nplanes * hdr.bpl;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1795 if ((pcx.buf = dmMalloc(pcx.bufLen)) == NULL)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1796 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1797 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1798 "PCX: Could not allocate RLE buffer.\n");
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1799 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1800 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1801
1299 b0c0be4c76f9 Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now. Matti Hamalainen <ccr@tnsp.org> parents: 1298 diff changeset	1802 dmMsg(2,
b0c0be4c76f9 Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now. Matti Hamalainen <ccr@tnsp.org> parents: 1298 diff changeset	1803 "PCX: bufLen=%d\n",
b0c0be4c76f9 Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now. Matti Hamalainen <ccr@tnsp.org> parents: 1298 diff changeset	1804 pcx.bufLen);
b0c0be4c76f9 Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now. Matti Hamalainen <ccr@tnsp.org> parents: 1298 diff changeset	1805
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1806 // Read image data
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1807 Uint8 *dp = img->data;
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1808 for (int yc = 0; yc < img->height; yc++)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1809 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1810 // Decode row of RLE'd data
1285 e4bda4909d72 Make libgfx error mode a global variable, at least for now. Matti Hamalainen <ccr@tnsp.org> parents: 1284 diff changeset	1811 if (!dmPCXDecodeRLERow(fp, pcx.buf, pcx.bufLen))
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1812 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1813 res = dmError(DMERR_INVALID_DATA,
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1814 "PCX: Error decoding RLE compressed data.\n");
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1815 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1816 }
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1817
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1818 // Decode bitplanes
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1819 switch (hdr.bitsPerPlane)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1820 {
1296 228cab109c6a More work on PCX reader. Matti Hamalainen <ccr@tnsp.org> parents: 1295 diff changeset	1821 case 24:
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1822 case 8:
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1823 {
1286 b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1824 // Actually bytes and bits per plane per pixel ..
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1825 const int bytesPerPlane = hdr.bitsPerPlane / 8;
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1826
1286 b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1827 for (int nplane = 0; nplane < hdr.nplanes; nplane++)
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1828 {
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1829 Uint8 dptr = dp + (nplane bytesPerPlane),
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1830 sptr = pcx.buf + (hdr.bpl nplane);
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1831
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1832 memcpy(dptr, sptr, img->width * bytesPerPlane);
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1833 }
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1834 }
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1835 break;
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1836
1280 300a51e98fc3 Bump version and copyright. Matti Hamalainen <ccr@tnsp.org> parents: 1279 diff changeset	1837 case 1:
1814 0b7062d874ef Use dmMemset() instead of memset(). Matti Hamalainen <ccr@tnsp.org> parents: 1810 diff changeset	1838 dmMemset(dp, 0, img->width);
1296 228cab109c6a More work on PCX reader. Matti Hamalainen <ccr@tnsp.org> parents: 1295 diff changeset	1839
1280 300a51e98fc3 Bump version and copyright. Matti Hamalainen <ccr@tnsp.org> parents: 1279 diff changeset	1840 for (int nplane = 0; nplane < hdr.nplanes; nplane++)
300a51e98fc3 Bump version and copyright. Matti Hamalainen <ccr@tnsp.org> parents: 1279 diff changeset	1841 {
1296 228cab109c6a More work on PCX reader. Matti Hamalainen <ccr@tnsp.org> parents: 1295 diff changeset	1842 Uint8 sptr = pcx.buf + (hdr.bpl nplane);
1280 300a51e98fc3 Bump version and copyright. Matti Hamalainen <ccr@tnsp.org> parents: 1279 diff changeset	1843
300a51e98fc3 Bump version and copyright. Matti Hamalainen <ccr@tnsp.org> parents: 1279 diff changeset	1844 for (int xc = 0; xc < img->width; xc++)
1296 228cab109c6a More work on PCX reader. Matti Hamalainen <ccr@tnsp.org> parents: 1295 diff changeset	1845 {
1299 b0c0be4c76f9 Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now. Matti Hamalainen <ccr@tnsp.org> parents: 1298 diff changeset	1846 const int px = 7 - (xc & 7);
b0c0be4c76f9 Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now. Matti Hamalainen <ccr@tnsp.org> parents: 1298 diff changeset	1847 dp[xc] \|= ((sptr[xc / 8] & (1 << px)) >> px) << nplane;
1296 228cab109c6a More work on PCX reader. Matti Hamalainen <ccr@tnsp.org> parents: 1295 diff changeset	1848 }
1280 300a51e98fc3 Bump version and copyright. Matti Hamalainen <ccr@tnsp.org> parents: 1279 diff changeset	1849 }
300a51e98fc3 Bump version and copyright. Matti Hamalainen <ccr@tnsp.org> parents: 1279 diff changeset	1850 break;
300a51e98fc3 Bump version and copyright. Matti Hamalainen <ccr@tnsp.org> parents: 1279 diff changeset	1851
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1852 default:
1285 e4bda4909d72 Make libgfx error mode a global variable, at least for now. Matti Hamalainen <ccr@tnsp.org> parents: 1284 diff changeset	1853 res = dmError(DMERR_NOT_SUPPORTED,
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1854 "PCX: Unsupported number of bits per plane %d.\n",
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1855 hdr.bitsPerPlane);
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1856 goto error;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1857 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1858
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1859 dp += img->pitch;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1860 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1861
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1862 // Read additional VGA palette, if available
1286 b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1863 if (isPaletted)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1864 {
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1865 int ncolors;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1866 Uint8 tmpb;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1867 BOOL read;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1868
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1869 if (!dmf_read_byte(fp, &tmpb) \|\| tmpb != 0x0C)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1870 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1871 read = FALSE;
2207 1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	1872 ncolors = PCX_PAL_COLORS;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1873 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1874 else
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1875 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1876 read = TRUE;
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	1877 ncolors = 256;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1878 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1879
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1880 if ((res = dmPaletteAlloc(&(img->pal), ncolors, -1)) != DMERR_OK)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1881 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1882 res = dmError(res,
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1883 "PCX: Could not allocate palette data!\n");
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1884 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1885 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1886
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1887 if (read)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1888 {
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1889 // Okay, attempt to read the palette data
1296 228cab109c6a More work on PCX reader. Matti Hamalainen <ccr@tnsp.org> parents: 1295 diff changeset	1890 dmMsg(2, "PCX: Reading palette of %d colors\n", ncolors);
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1891 if ((res = dmPaletteReadData(fp, img->pal, ncolors)) != DMERR_OK)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1892 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1893 dmErrorMsg("PCX: Error reading palette.\n");
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1894 goto error;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1895 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1896 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1897 else
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1898 {
2207 1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	1899 const int nmax = img->pal->ncolors > PCX_PAL_COLORS ? PCX_PAL_COLORS : img->pal->ncolors;
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1900
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1901 // If the extra palette is not available, copy the colors from
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1902 // the header palette to our internal palette structure.
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1903 dmMsg(2, "PCX: Initializing palette from header of %d colors (%d)\n", ncolors, nmax);
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1904
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1905 for (int i = 0; i < nmax; i++)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1906 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1907 img->pal->colors[i].r = hdr.colorMap[i].r;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1908 img->pal->colors[i].g = hdr.colorMap[i].g;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1909 img->pal->colors[i].b = hdr.colorMap[i].b;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1910 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1911 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1912 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1913
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1914 error:
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1915 dmFree(pcx.buf);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1916 return res;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1917 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1918
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1919
1613 70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1920 //
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1921 // IFF ILBM / PBM format
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1922 //
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1923 #define IFF_ID_FORM 0x464F524D // "FORM"
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1924 #define IFF_ID_ILBM 0x494C424D // "ILBM"
464 358776103ceb Add support for IFF PBMs. Matti Hamalainen <ccr@tnsp.org> parents: 462 diff changeset	1925 #define IFF_ID_PBM 0x50424D20 // "PBM "
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1926 #define IFF_ID_BMHD 0x424D4844 // "BMHD"
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1927 #define IFF_ID_CMAP 0x434D4150 // "CMAP"
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1928 #define IFF_ID_BODY 0x424F4459 // "BODY"
449 117f94b253af Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader. Matti Hamalainen <ccr@tnsp.org> parents: 448 diff changeset	1929 #define IFF_ID_CAMG 0x43414D47 // "CAMG"
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	1930 #define IFF_ID_ACBM 0x4143424D // "ACBM"
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	1931 #define IFF_ID_ABIT 0x41424954 // "ABIT"
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1932
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1933 #define IFF_MASK_NONE 0
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1934 #define IFF_MASK_HAS_MASK 1
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1935 #define IFF_MASK_TRANSP 2
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1936 #define IFF_MASK_LASSO 3
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1937
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1938 #define IFF_COMP_NONE 0
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1939 #define IFF_COMP_BYTERUN1 1
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1940
449 117f94b253af Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader. Matti Hamalainen <ccr@tnsp.org> parents: 448 diff changeset	1941 #define IFF_CAMG_LACE 0x00000004
117f94b253af Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader. Matti Hamalainen <ccr@tnsp.org> parents: 448 diff changeset	1942 #define IFF_CAMG_HALFBRITE 0x00000080
117f94b253af Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader. Matti Hamalainen <ccr@tnsp.org> parents: 448 diff changeset	1943 #define IFF_CAMG_HAM 0x00000800
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1944
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1945 typedef struct
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1946 {
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1947 Uint32 id;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1948 Uint32 size;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1949 int count;
1656 2de258f2eb2e Get rid of a basically redundant function in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1655 diff changeset	1950 char idStr[6];
1895 eb03869a10d3 Clean up the IFF reader and make it more robust. Matti Hamalainen <ccr@tnsp.org> parents: 1894 diff changeset	1951 off_t offs;
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1952 } DMIFFChunk;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1953
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1954
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1955 typedef struct
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1956 {
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1957 Uint16 w, h;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1958 Sint16 x, y;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1959 Uint8 nplanes;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1960 Uint8 masking;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1961 Uint8 compression;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1962 Uint8 pad1;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1963 Uint16 transp;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1964 Uint8 xasp, yasp;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1965 Sint16 pagew, pageh;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1966 } DMIFFBMHD;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1967
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1968
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	1969 typedef struct
7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	1970 {
1810 c9197a038e8e Various cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1808 diff changeset	1971 DMIFFChunk chFORM, chBMHD, chCMAP, chBODY;
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	1972 DMIFFBMHD bmhd;
1810 c9197a038e8e Various cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1808 diff changeset	1973 Uint32 camg;
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	1974 int ncolors;
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1975 DMPalette *pal;
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	1976 Uint32 idsig;
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	1977 char *idstr;
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	1978 } DMIFF;
7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	1979
7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	1980
2068 e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1981 static int fmtProbeIFF(const Uint8 *buf, const size_t len, const Uint32 id)
1613 70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1982 {
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1983 if (len > 32 &&
2068 e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1984 DM_BE32_TO_NATIVE((Uint32 ) (buf + 0)) == IFF_ID_FORM &&
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1985 DM_BE32_TO_NATIVE((Uint32 ) (buf + 8)) == id)
1613 70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1986 {
2063 bd109c0a7b88 Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2057 diff changeset	1987 if (DM_BE32_TO_NATIVE((Uint32 ) (buf + 12)) == IFF_ID_BMHD)
1613 70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1988 return DM_PROBE_SCORE_MAX;
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1989 else
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1990 return DM_PROBE_SCORE_GOOD;
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1991 }
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1992
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1993 return DM_PROBE_SCORE_FALSE;
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1994 }
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1995
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1996
2068 e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1997 static int fmtProbeIFF_ILBM(const Uint8 *buf, const size_t len)
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1998 {
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1999 return fmtProbeIFF(buf, len, IFF_ID_ILBM);
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2000 }
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2001
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2002
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2003 static int fmtProbeIFF_PBM(const Uint8 *buf, const size_t len)
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2004 {
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2005 return fmtProbeIFF(buf, len, IFF_ID_PBM);
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2006 }
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2007
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2008
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2009 static int fmtProbeIFF_ACBM(const Uint8 *buf, const size_t len)
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2010 {
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2011 return fmtProbeIFF(buf, len, IFF_ID_ACBM);
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2012 }
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2013
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2014
1657 2b6dbdd602b5 Split IFF chunk id string from id creation into separate function. Matti Hamalainen <ccr@tnsp.org> parents: 1656 diff changeset	2015 static void dmMakeIFFChunkIDStr(DMIFFChunk *chunk)
2b6dbdd602b5 Split IFF chunk id string from id creation into separate function. Matti Hamalainen <ccr@tnsp.org> parents: 1656 diff changeset	2016 {
2b6dbdd602b5 Split IFF chunk id string from id creation into separate function. Matti Hamalainen <ccr@tnsp.org> parents: 1656 diff changeset	2017 chunk->idStr[0] = (chunk->id >> 24) & 0xff;
2b6dbdd602b5 Split IFF chunk id string from id creation into separate function. Matti Hamalainen <ccr@tnsp.org> parents: 1656 diff changeset	2018 chunk->idStr[1] = (chunk->id >> 16) & 0xff;
2b6dbdd602b5 Split IFF chunk id string from id creation into separate function. Matti Hamalainen <ccr@tnsp.org> parents: 1656 diff changeset	2019 chunk->idStr[2] = (chunk->id >> 8) & 0xff;
2b6dbdd602b5 Split IFF chunk id string from id creation into separate function. Matti Hamalainen <ccr@tnsp.org> parents: 1656 diff changeset	2020 chunk->idStr[3] = (chunk->id) & 0xff;
2b6dbdd602b5 Split IFF chunk id string from id creation into separate function. Matti Hamalainen <ccr@tnsp.org> parents: 1656 diff changeset	2021 chunk->idStr[4] = 0;
2b6dbdd602b5 Split IFF chunk id string from id creation into separate function. Matti Hamalainen <ccr@tnsp.org> parents: 1656 diff changeset	2022 }
2b6dbdd602b5 Split IFF chunk id string from id creation into separate function. Matti Hamalainen <ccr@tnsp.org> parents: 1656 diff changeset	2023
2b6dbdd602b5 Split IFF chunk id string from id creation into separate function. Matti Hamalainen <ccr@tnsp.org> parents: 1656 diff changeset	2024
1654 92656ad7f706 Improve IFF reader error handling. Matti Hamalainen <ccr@tnsp.org> parents: 1641 diff changeset	2025 static int dmReadIFFChunkHdr(DMResource fp, DMIFFChunk chunk)
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2026 {
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2027 if (!dmf_read_be32(fp, &chunk->id) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2028 !dmf_read_be32(fp, &chunk->size))
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2029 {
1654 92656ad7f706 Improve IFF reader error handling. Matti Hamalainen <ccr@tnsp.org> parents: 1641 diff changeset	2030 return dmError(DMERR_FREAD,
1892 cbc911ffd21e Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 1887 diff changeset	2031 "IFF: Could not read IFF chunk header.\n");
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2032 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2033 else
1656 2de258f2eb2e Get rid of a basically redundant function in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1655 diff changeset	2034 {
1895 eb03869a10d3 Clean up the IFF reader and make it more robust. Matti Hamalainen <ccr@tnsp.org> parents: 1894 diff changeset	2035 chunk->offs = dmftell(fp);
1657 2b6dbdd602b5 Split IFF chunk id string from id creation into separate function. Matti Hamalainen <ccr@tnsp.org> parents: 1656 diff changeset	2036 dmMakeIFFChunkIDStr(chunk);
1654 92656ad7f706 Improve IFF reader error handling. Matti Hamalainen <ccr@tnsp.org> parents: 1641 diff changeset	2037 return DMERR_OK;
1656 2de258f2eb2e Get rid of a basically redundant function in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1655 diff changeset	2038 }
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2039 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2040
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2041
1895 eb03869a10d3 Clean up the IFF reader and make it more robust. Matti Hamalainen <ccr@tnsp.org> parents: 1894 diff changeset	2042 static int dmSkipIFFChunkRest(DMResource fp, const DMIFFChunk chunk)
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2043 {
1901 636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2044 off_t read = dmftell(fp) - chunk->offs,
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2045 size = chunk->size;
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2046
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2047 if (size & 1)
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2048 {
1901 636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2049 dmMsg(3, "IFF: Chunk size %d is uneven, adjusting to %d.\n",
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2050 size, size + 1);
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2051 size++;
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2052 }
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2053
1901 636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2054 if (size > read)
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2055 {
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2056 dmMsg(3, "IFF: Skipping %d bytes (%d of %d consumed)\n",
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2057 size - read, read, size);
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2058
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2059 if (dmfseek(fp, size - read, SEEK_CUR) != 0)
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2060 {
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2061 return dmError(DMERR_FSEEK,
1892 cbc911ffd21e Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 1887 diff changeset	2062 "IFF: Failed to skip chunk end.\n");
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2063 }
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2064 }
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2065
1901 636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2066 return DMERR_OK;
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2067 }
7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2068
1656 2de258f2eb2e Get rid of a basically redundant function in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1655 diff changeset	2069
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2070 static int dmCheckIFFChunk(DMIFFChunk dest, const DMIFFChunk chunk,
445 1d65efb29986 Simplify. Matti Hamalainen <ccr@tnsp.org> parents: 444 diff changeset	2071 const BOOL multi, const Uint32 minSize)
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2072 {
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2073 if (dest->count > 0 && !multi)
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2074 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2075 return dmError(DMERR_INVALID_DATA,
1892 cbc911ffd21e Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 1887 diff changeset	2076 "IFF: Multiple instances of chunk %s found.\n",
1656 2de258f2eb2e Get rid of a basically redundant function in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1655 diff changeset	2077 chunk->idStr);
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2078 }
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2079
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2080 dest->count++;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2081
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2082 if (chunk->size < minSize)
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2083 {
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2084 return dmError(DMERR_OUT_OF_DATA,
1907 571109a14967 Add some more informative messages in IFF loader. Matti Hamalainen <ccr@tnsp.org> parents: 1906 diff changeset	2085 "IFF: Chunk %s is too small (%d < %d).\n",
571109a14967 Add some more informative messages in IFF loader. Matti Hamalainen <ccr@tnsp.org> parents: 1906 diff changeset	2086 chunk->idStr, chunk->size, minSize);
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2087 }
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2088
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2089 return DMERR_OK;
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2090 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2091
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2092
2055 6c6a4ea67540 Make two functions static and one not. Matti Hamalainen <ccr@tnsp.org> parents: 2054 diff changeset	2093 BOOL dmIFFDecodeByteRun1Row(DMResource fp, Uint8 buf, const size_t bufLen)
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2094 {
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2095 size_t offs = 0;
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2096 do
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2097 {
1905 425259977bc5 Don't use signed arithmatic in IFF ByteRun1 decoder. Matti Hamalainen <ccr@tnsp.org> parents: 1904 diff changeset	2098 Uint8 data, ucount;
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2099
1905 425259977bc5 Don't use signed arithmatic in IFF ByteRun1 decoder. Matti Hamalainen <ccr@tnsp.org> parents: 1904 diff changeset	2100 if (!dmf_read_byte(fp, &ucount))
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2101 return FALSE;
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	2102
1905 425259977bc5 Don't use signed arithmatic in IFF ByteRun1 decoder. Matti Hamalainen <ccr@tnsp.org> parents: 1904 diff changeset	2103 if (ucount == 0x80)
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2104 {
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2105 if (!dmf_read_byte(fp, &data))
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2106 return FALSE;
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2107 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2108 else
1905 425259977bc5 Don't use signed arithmatic in IFF ByteRun1 decoder. Matti Hamalainen <ccr@tnsp.org> parents: 1904 diff changeset	2109 if (ucount & 0x80)
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2110 {
1905 425259977bc5 Don't use signed arithmatic in IFF ByteRun1 decoder. Matti Hamalainen <ccr@tnsp.org> parents: 1904 diff changeset	2111 Uint8 count = (ucount ^ 0xff) + 2;
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2112 if (!dmf_read_byte(fp, &data))
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2113 return FALSE;
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2114
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2115 while (count-- && offs < bufLen)
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2116 buf[offs++] = data;
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2117 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2118 else
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2119 {
1905 425259977bc5 Don't use signed arithmatic in IFF ByteRun1 decoder. Matti Hamalainen <ccr@tnsp.org> parents: 1904 diff changeset	2120 Uint8 count = ucount + 1;
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2121 while (count-- && offs < bufLen)
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2122 {
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2123 if (!dmf_read_byte(fp, &data))
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2124 return FALSE;
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2125
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2126 buf[offs++] = data;
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2127 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2128 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2129 } while (offs < bufLen);
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2130
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2131 return TRUE;
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2132 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2133
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2134
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2135 static BOOL dmIFFReadOneRow(DMResource fp, DMIFF iff, Uint8 *buf, const size_t bufLen)
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2136 {
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2137 if (iff->bmhd.compression == IFF_COMP_BYTERUN1)
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2138 return dmIFFDecodeByteRun1Row(fp, buf, bufLen);
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2139 else
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2140 return dmf_read_str(fp, buf, bufLen);
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2141 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2142
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2143
1622 009a3e3c54bf Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1621 diff changeset	2144 static inline Uint8 dmDecodeBit(const Uint8 *buf, const int xc)
1619 dacf4c2f7a86 Remove slight code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1618 diff changeset	2145 {
dacf4c2f7a86 Remove slight code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1618 diff changeset	2146 return (buf[xc / 8] >> (7 - (xc & 7))) & 1;
dacf4c2f7a86 Remove slight code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1618 diff changeset	2147 }
dacf4c2f7a86 Remove slight code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1618 diff changeset	2148
dacf4c2f7a86 Remove slight code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1618 diff changeset	2149
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2150 static int dmDecodeIFFBody(DMResource fp, DMIFF iff, DMImage *img)
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2151 {
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2152 Uint8 *buf = NULL;
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2153 size_t bufLen = 0;
1618 4c96181c9c09 Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 1616 diff changeset	2154 int res = DMERR_OK;
1659 99b8ab61dc1b Micro-optimization. Matti Hamalainen <ccr@tnsp.org> parents: 1658 diff changeset	2155 const int nplanes = iff->bmhd.nplanes;
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	2156
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2157 if (iff->idsig == IFF_ID_ILBM)
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2158 {
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2159 bufLen = ((img->width + 15) / 16) * 2;
1906 09d46bf9fe71 Use a consistent message between IFF encoding and decoding. Matti Hamalainen <ccr@tnsp.org> parents: 1905 diff changeset	2160 dmMsg(2, "IFF: Line / plane row size %d bytes.\n", bufLen);
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2161
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2162 }
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2163 else
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2164 if (iff->idsig == IFF_ID_ACBM)
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2165 {
2082 a0a6f5a3fbbf Fix plane buffer size calculation for IFF ACBM to round up to nearest byte (minimum of 1). Matti Hamalainen <ccr@tnsp.org> parents: 2081 diff changeset	2166 bufLen = (img->width * img->height + 7) / 8;
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2167 dmMsg(2, "IFF: Plane buffer size %d bytes.\n", bufLen);
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2168 }
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2169
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2170 if (bufLen > 0 && (buf = dmMalloc(bufLen)) == NULL)
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2171 return DMERR_MALLOC;
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	2172
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2173 // Decode the chunk
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2174 if (iff->idsig == IFF_ID_ACBM)
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2175 {
2081 a14286e2710e Initialize the destination image data in case of IFF ACBM loading. Matti Hamalainen <ccr@tnsp.org> parents: 2078 diff changeset	2176 // Initialize destination image data
a14286e2710e Initialize the destination image data in case of IFF ACBM loading. Matti Hamalainen <ccr@tnsp.org> parents: 2078 diff changeset	2177 dmMemset(img->data, 0, img->size);
a14286e2710e Initialize the destination image data in case of IFF ACBM loading. Matti Hamalainen <ccr@tnsp.org> parents: 2078 diff changeset	2178
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2179 for (int plane = 0; plane < nplanes; plane++)
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2180 {
2069 83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2181 // Decompress or read data
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2182 if (!dmIFFReadOneRow(fp, iff, buf, bufLen))
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2183 {
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2184 res = dmError(DMERR_FREAD,
2069 83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2185 "IFF: Error in reading ACBM image plane #%d.\n",
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2186 plane);
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2187 goto out;
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2188 }
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2189
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2190 for (int yc = 0; yc < img->height; yc++)
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2191 {
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2192 Uint8 dp = img->data + (yc img->pitch);
2067 430c010d97c1 Fix hardcoding in ACBM decoding. Matti Hamalainen <ccr@tnsp.org> parents: 2065 diff changeset	2193 Uint8 sp = buf + (yc img->width) / 8;
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2194 for (int xc = 0; xc < img->width; xc++)
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2195 {
2067 430c010d97c1 Fix hardcoding in ACBM decoding. Matti Hamalainen <ccr@tnsp.org> parents: 2065 diff changeset	2196 dp[xc] \|= dmDecodeBit(sp, xc) << plane;
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2197 }
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2198 }
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2199 }
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2200 }
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2201 else
1618 4c96181c9c09 Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 1616 diff changeset	2202 for (int yc = 0; yc < img->height; yc++)
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2203 {
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2204 Uint8 dp = img->data + (yc img->pitch);
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2205
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2206 if (iff->idsig == IFF_ID_ILBM)
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2207 {
1907 571109a14967 Add some more informative messages in IFF loader. Matti Hamalainen <ccr@tnsp.org> parents: 1906 diff changeset	2208 // Clear planar decoding buffer
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2209 dmMemset(dp, 0, img->pitch);
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2210
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2211 for (int plane = 0; plane < nplanes; plane++)
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2212 {
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2213 // Decompress or read data
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2214 if (!dmIFFReadOneRow(fp, iff, buf, bufLen))
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2215 {
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2216 res = dmError(DMERR_FREAD,
2069 83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2217 "IFF: Error in reading ILBM image plane #%d @ %d.\n",
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2218 plane, yc);
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2219 goto out;
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2220 }
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2221
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2222 // Decode bitplane
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2223 for (int xc = 0; xc < img->width; xc++)
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2224 dp[xc] \|= dmDecodeBit(buf, xc) << plane;
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2225 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2226
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2227 // Read mask data
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2228 if (iff->bmhd.masking == IFF_MASK_HAS_MASK)
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2229 {
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2230 // Decompress or read data
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2231 if (!dmIFFReadOneRow(fp, iff, buf, bufLen))
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2232 {
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2233 res = dmError(DMERR_FREAD,
2069 83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2234 "IFF: Error in reading ILBM mask plane.\n");
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2235 goto out;
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2236 }
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2237
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2238 // Decode mask
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2239 for (int xc = 0; xc < img->width; xc++)
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2240 {
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2241 const Uint8 data = dmDecodeBit(buf, xc);
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2242
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2243 // Black out any pixels with mask bit 0
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2244 if (!data)
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2245 dp[xc] = img->pal->ctransp < 0 ? 0 : img->pal->ctransp;
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2246 }
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2247 }
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2248 }
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2249 else
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2250 if (iff->idsig == IFF_ID_PBM)
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2251 {
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2252 if (!dmIFFReadOneRow(fp, iff, dp, img->width))
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2253 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2254 res = dmError(DMERR_FREAD,
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2255 "IFF: Error reading PBM image row #%d.\n", yc);
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2256 goto out;
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2257 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2258 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2259 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2260
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2261 out:
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2262 dmFree(buf);
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2263 return res;
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2264 }
7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2265
7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2266
1892 cbc911ffd21e Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 1887 diff changeset	2267 int dmReadIFFImage(DMResource fp, DMImage *pimg)
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2268 {
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2269 DMIFFChunk chunk;
7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2270 DMIFF iff;
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2271 BOOL parsed = FALSE;
1627 d0e626e039bf Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 1626 diff changeset	2272 int res = DMERR_OK;
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2273
1167 848a88ce7a57 Use dmMemset(). Matti Hamalainen <ccr@tnsp.org> parents: 1152 diff changeset	2274 dmMemset(&iff, 0, sizeof(iff));
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2275
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2276 // Read IFF FORM header
1654 92656ad7f706 Improve IFF reader error handling. Matti Hamalainen <ccr@tnsp.org> parents: 1641 diff changeset	2277 if ((res = dmReadIFFChunkHdr(fp, &chunk)) != DMERR_OK)
92656ad7f706 Improve IFF reader error handling. Matti Hamalainen <ccr@tnsp.org> parents: 1641 diff changeset	2278 return res;
92656ad7f706 Improve IFF reader error handling. Matti Hamalainen <ccr@tnsp.org> parents: 1641 diff changeset	2279
92656ad7f706 Improve IFF reader error handling. Matti Hamalainen <ccr@tnsp.org> parents: 1641 diff changeset	2280 if (chunk.id != IFF_ID_FORM \|\| chunk.size < 32)
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2281 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2282 return dmError(DMERR_NOT_SUPPORTED,
1892 cbc911ffd21e Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 1887 diff changeset	2283 "IFF: Not a IFF file (%08X vs %08X / %d).\n",
1265 4e074b9b4789 Improve IFF FORM validity error message. Matti Hamalainen <ccr@tnsp.org> parents: 1264 diff changeset	2284 chunk.id, IFF_ID_FORM, chunk.size);
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2285 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	2286
1892 cbc911ffd21e Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 1887 diff changeset	2287 // Check IFF ILBM/PBM signature
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2288 if (!dmf_read_be32(fp, &iff.idsig) \|\|
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2289 (iff.idsig != IFF_ID_ILBM &&
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2290 iff.idsig != IFF_ID_PBM &&
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2291 iff.idsig != IFF_ID_ACBM))
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2292 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2293 return dmError(DMERR_INVALID_DATA,
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2294 "IFF: Not a IFF ILBM/PBM/ACBM file.\n");
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2295 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2296
2023 362fb8295f0c Be more informative about the actual sub-format of the IFF image (PBM/ILBM). Matti Hamalainen <ccr@tnsp.org> parents: 2022 diff changeset	2297 dmMsg(3, "IFF: FORM is %s format image, with size %d bytes.\n",
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2298 iff.idsig == IFF_ID_ILBM ? "ILBM" :
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2299 (iff.idsig == IFF_ID_PBM ? "PBM" : "ACBM"),
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2300 chunk.size);
1907 571109a14967 Add some more informative messages in IFF loader. Matti Hamalainen <ccr@tnsp.org> parents: 1906 diff changeset	2301
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2302 while (!parsed && !dmfeof(fp))
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2303 {
1895 eb03869a10d3 Clean up the IFF reader and make it more robust. Matti Hamalainen <ccr@tnsp.org> parents: 1894 diff changeset	2304 // Read chunk header
1654 92656ad7f706 Improve IFF reader error handling. Matti Hamalainen <ccr@tnsp.org> parents: 1641 diff changeset	2305 if ((res = dmReadIFFChunkHdr(fp, &chunk)) != DMERR_OK)
92656ad7f706 Improve IFF reader error handling. Matti Hamalainen <ccr@tnsp.org> parents: 1641 diff changeset	2306 return res;
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	2307
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2308 switch (chunk.id)
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2309 {
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2310 case IFF_ID_BMHD:
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2311 // Check for multiple occurences of BMHD
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2312 if ((res = dmCheckIFFChunk(&iff.chBMHD, &chunk, FALSE, sizeof(iff.bmhd))) != DMERR_OK)
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2313 return res;
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2314
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2315 // Read BMHD data
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2316 if (!dmf_read_be16(fp, &iff.bmhd.w) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2317 !dmf_read_be16(fp, &iff.bmhd.h) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2318 !dmf_read_be16(fp, (Uint16 *) &iff.bmhd.x) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2319 !dmf_read_be16(fp, (Uint16 *) &iff.bmhd.y) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2320 !dmf_read_byte(fp, &iff.bmhd.nplanes) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2321 !dmf_read_byte(fp, &iff.bmhd.masking) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2322 !dmf_read_byte(fp, &iff.bmhd.compression) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2323 !dmf_read_byte(fp, &iff.bmhd.pad1) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2324 !dmf_read_be16(fp, &iff.bmhd.transp) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2325 !dmf_read_byte(fp, &iff.bmhd.xasp) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2326 !dmf_read_byte(fp, &iff.bmhd.yasp) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2327 !dmf_read_be16(fp, (Uint16 *) &iff.bmhd.pagew) \|\|
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2328 !dmf_read_be16(fp, (Uint16 *) &iff.bmhd.pageh))
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2329 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2330 return dmError(DMERR_FREAD,
1892 cbc911ffd21e Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 1887 diff changeset	2331 "IFF: Error reading BMHD chunk.\n");
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2332 }
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2333
1892 cbc911ffd21e Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 1887 diff changeset	2334 dmMsg(1, "IFF: BMHD %d x %d @ %d, %d : nplanes=%d, comp=%d, mask=%d, transp=%d\n",
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2335 iff.bmhd.w, iff.bmhd.h, iff.bmhd.x, iff.bmhd.y,
1655 a05e3fcc60ec Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1654 diff changeset	2336 iff.bmhd.nplanes, iff.bmhd.compression, iff.bmhd.masking,
a05e3fcc60ec Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1654 diff changeset	2337 iff.bmhd.transp);
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	2338
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2339 // Sanity check
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2340 if (iff.bmhd.nplanes < 1 \|\| iff.bmhd.nplanes > 8 \|\|
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2341 (iff.bmhd.compression != IFF_COMP_NONE &&
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2342 iff.bmhd.compression != IFF_COMP_BYTERUN1) \|\|
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2343 (iff.bmhd.masking != IFF_MASK_NONE &&
448 f1aab48a76fe Add transp mask support to IFF ILBM loader. Matti Hamalainen <ccr@tnsp.org> parents: 447 diff changeset	2344 iff.bmhd.masking != IFF_MASK_HAS_MASK &&
f1aab48a76fe Add transp mask support to IFF ILBM loader. Matti Hamalainen <ccr@tnsp.org> parents: 447 diff changeset	2345 iff.bmhd.masking != IFF_MASK_TRANSP))
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2346 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2347 return dmError(DMERR_NOT_SUPPORTED,
1892 cbc911ffd21e Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 1887 diff changeset	2348 "IFF: Unsupported features, refusing to load.\n");
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2349 }
2069 83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2350
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2351 if (iff.idsig == IFF_ID_ACBM &&
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2352 iff.bmhd.compression != IFF_COMP_NONE)
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2353 {
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2354 dmMsg(1, "IFF: ACBM image with compression != none (%d). Ignoring.\n",
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2355 iff.bmhd.compression);
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2356
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2357 iff.bmhd.compression = IFF_COMP_NONE;
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2358 }
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2359 break;
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2360
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2361
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2362 case IFF_ID_CMAP:
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2363 // Check for multiple occurences of CMAP
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2364 if ((res = dmCheckIFFChunk(&iff.chCMAP, &chunk, FALSE, 3)) != DMERR_OK)
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2365 return res;
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2366
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2367 // Check for sanity
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2368 if (chunk.size % 3 != 0)
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2369 {
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2370 // Non-fatal
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2371 dmError(DMERR_INVALID_DATA,
1892 cbc911ffd21e Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 1887 diff changeset	2372 "IFF: CMAP chunk size not divisible by 3, possibly broken file.\n");
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2373 }
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2374
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2375 iff.ncolors = chunk.size / 3;
1892 cbc911ffd21e Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 1887 diff changeset	2376 dmMsg(2, "IFF: CMAP %d entries (%d bytes)\n",
1624 9a8395b56d1a Remove unused message argument. Matti Hamalainen <ccr@tnsp.org> parents: 1623 diff changeset	2377 iff.ncolors, chunk.size);
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2378
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2379 if (iff.bmhd.nplanes > 0 && iff.ncolors != 1 << iff.bmhd.nplanes)
1892 cbc911ffd21e Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 1887 diff changeset	2380 dmMsg(2, "IFF: Expected %d entries in CMAP.\n", 1 << iff.bmhd.nplanes);
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	2381
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	2382 // Read palette
fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	2383 if (iff.ncolors > 0)
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2384 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2385 if ((res = dmPaletteAlloc(&iff.pal, iff.ncolors,
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2386 (iff.bmhd.masking == IFF_MASK_TRANSP) ? iff.bmhd.transp : -1)) != DMERR_OK)
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2387 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2388 dmErrorMsg("IFF: Could not allocate palette data.\n");
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2389 return res;
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	2390 }
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2391 if ((res = dmPaletteReadData(fp, iff.pal, iff.ncolors)) != DMERR_OK)
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	2392 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2393 dmErrorMsg("IFF: Error reading CMAP.\n");
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2394 return res;
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2395 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2396 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2397
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2398 if (iff.chBMHD.count && iff.chBODY.count)
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2399 parsed = TRUE;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2400 break;
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	2401
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2402 case IFF_ID_BODY:
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2403 case IFF_ID_ABIT:
1621 9aaa8ee24626 Fix a comment. Matti Hamalainen <ccr@tnsp.org> parents: 1620 diff changeset	2404 // Check for multiple occurences of BODY
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2405 if ((res = dmCheckIFFChunk(&iff.chBODY, &chunk, FALSE, 1)) != DMERR_OK)
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2406 return res;
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2407
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2408 // Check for sanity
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2409 if (!iff.chBMHD.count)
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2410 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2411 return dmError(DMERR_INVALID_DATA,
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2412 "IFF: %s chunk before BMHD?\n", chunk.idStr);
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2413 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2414
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2415 dmMsg(2, "IFF: %s chunk size %d bytes\n", chunk.idStr, chunk.size);
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	2416
1626 1793fc1496da Remove some code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1625 diff changeset	2417 // Allocate image
1793fc1496da Remove some code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1625 diff changeset	2418 if ((*pimg = dmImageAlloc(iff.bmhd.w, iff.bmhd.h,
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	2419 iff.bmhd.nplanes <= 8 ? DM_PIXFMT_PALETTE : DM_PIXFMT_RGBA,
1626 1793fc1496da Remove some code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1625 diff changeset	2420 // XXX TODO? When/if we ever handle < 8bit indexed correctly, we can use the actual bpp
1793fc1496da Remove some code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1625 diff changeset	2421 //iff->bmhd.nplanes <= 8 ? iff->bmhd.nplanes : -1
1793fc1496da Remove some code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1625 diff changeset	2422 -1
1793fc1496da Remove some code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1625 diff changeset	2423 )) == NULL)
1793fc1496da Remove some code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1625 diff changeset	2424 return DMERR_MALLOC;
1793fc1496da Remove some code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1625 diff changeset	2425
1628 a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	2426 // Set image aspect ratio
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	2427 if (iff.bmhd.xasp > 0 && iff.bmhd.yasp > 0)
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	2428 (*pimg)->aspect = (float) iff.bmhd.yasp / (float) iff.bmhd.xasp;
1626 1793fc1496da Remove some code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1625 diff changeset	2429
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2430 // Decode the body
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2431 if ((res = dmDecodeIFFBody(fp, &iff, *pimg)) != DMERR_OK)
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2432 return res;
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2433
1895 eb03869a10d3 Clean up the IFF reader and make it more robust. Matti Hamalainen <ccr@tnsp.org> parents: 1894 diff changeset	2434 if ((res = dmSkipIFFChunkRest(fp, &chunk)) != DMERR_OK)
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2435 return res;
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2436
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2437 if (iff.chCMAP.count)
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2438 parsed = TRUE;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2439 break;
449 117f94b253af Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader. Matti Hamalainen <ccr@tnsp.org> parents: 448 diff changeset	2440
117f94b253af Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader. Matti Hamalainen <ccr@tnsp.org> parents: 448 diff changeset	2441 case IFF_ID_CAMG:
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2442 if (!dmf_read_be32(fp, &iff.camg))
449 117f94b253af Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader. Matti Hamalainen <ccr@tnsp.org> parents: 448 diff changeset	2443 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2444 return dmError(DMERR_FREAD,
1892 cbc911ffd21e Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 1887 diff changeset	2445 "IFF: Error reading CAMG chunk.\n");
449 117f94b253af Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader. Matti Hamalainen <ccr@tnsp.org> parents: 448 diff changeset	2446 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	2447
1892 cbc911ffd21e Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 1887 diff changeset	2448 dmMsg(2, "IFF: CAMG value 0x%08x\n", iff.camg);
449 117f94b253af Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader. Matti Hamalainen <ccr@tnsp.org> parents: 448 diff changeset	2449
117f94b253af Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader. Matti Hamalainen <ccr@tnsp.org> parents: 448 diff changeset	2450 if ((iff.camg & IFF_CAMG_HAM))
117f94b253af Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader. Matti Hamalainen <ccr@tnsp.org> parents: 448 diff changeset	2451 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2452 return dmError(DMERR_NOT_SUPPORTED,
1892 cbc911ffd21e Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 1887 diff changeset	2453 "IFF: HAM files are not supported.\n");
449 117f94b253af Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader. Matti Hamalainen <ccr@tnsp.org> parents: 448 diff changeset	2454 }
117f94b253af Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader. Matti Hamalainen <ccr@tnsp.org> parents: 448 diff changeset	2455 break;
117f94b253af Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader. Matti Hamalainen <ccr@tnsp.org> parents: 448 diff changeset	2456
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2457
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2458 default:
1901 636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2459 dmMsg(3, "Unknown chunk ID '%s', size %d\n",
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2460 chunk.idStr, chunk.size);
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	2461
1901 636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2462 if (dmfseek(fp, chunk.size, SEEK_CUR) != 0)
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2463 {
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2464 return dmError(DMERR_FSEEK,
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2465 "IFF: Error skipping in file.");
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2466 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2467 break;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2468 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	2469
1895 eb03869a10d3 Clean up the IFF reader and make it more robust. Matti Hamalainen <ccr@tnsp.org> parents: 1894 diff changeset	2470 if ((res = dmSkipIFFChunkRest(fp, &chunk)) != DMERR_OK)
eb03869a10d3 Clean up the IFF reader and make it more robust. Matti Hamalainen <ccr@tnsp.org> parents: 1894 diff changeset	2471 return res;
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2472 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2473
1948 5790b52c339e Check that we have a CMAP/palette for IFF images that should have it. Matti Hamalainen <ccr@tnsp.org> parents: 1945 diff changeset	2474 // Check if we should have a palette
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	2475 if (pimg != NULL && (pimg)->pixfmt == DM_PIXFMT_PALETTE)
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2476 {
1948 5790b52c339e Check that we have a CMAP/palette for IFF images that should have it. Matti Hamalainen <ccr@tnsp.org> parents: 1945 diff changeset	2477 // Check that we DO have a palette ..
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2478 if (iff.pal == NULL \|\| iff.pal->ncolors == 0)
1948 5790b52c339e Check that we have a CMAP/palette for IFF images that should have it. Matti Hamalainen <ccr@tnsp.org> parents: 1945 diff changeset	2479 {
5790b52c339e Check that we have a CMAP/palette for IFF images that should have it. Matti Hamalainen <ccr@tnsp.org> parents: 1945 diff changeset	2480 return dmError(DMERR_INVALID_DATA,
5790b52c339e Check that we have a CMAP/palette for IFF images that should have it. Matti Hamalainen <ccr@tnsp.org> parents: 1945 diff changeset	2481 "IFF: A paletted/indexed color image with no CMAP. Bailing out.\n");
5790b52c339e Check that we have a CMAP/palette for IFF images that should have it. Matti Hamalainen <ccr@tnsp.org> parents: 1945 diff changeset	2482 }
5790b52c339e Check that we have a CMAP/palette for IFF images that should have it. Matti Hamalainen <ccr@tnsp.org> parents: 1945 diff changeset	2483
449 117f94b253af Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader. Matti Hamalainen <ccr@tnsp.org> parents: 448 diff changeset	2484 // If halfbrite is used, duplicate the palette
117f94b253af Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader. Matti Hamalainen <ccr@tnsp.org> parents: 448 diff changeset	2485 if (iff.camg & IFF_CAMG_HALFBRITE)
117f94b253af Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader. Matti Hamalainen <ccr@tnsp.org> parents: 448 diff changeset	2486 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2487 int ncolors = iff.ncolors;
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2488 if (iff.idsig != IFF_ID_ILBM)
1625 c8afa3e6c413 Print an error/warning about PBM files that have half-brite set. Matti Hamalainen <ccr@tnsp.org> parents: 1624 diff changeset	2489 {
1892 cbc911ffd21e Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 1887 diff changeset	2490 dmErrorMsg("IFF: Non-planar PBM file with Halfbrite enabled! This might not work.\n");
1625 c8afa3e6c413 Print an error/warning about PBM files that have half-brite set. Matti Hamalainen <ccr@tnsp.org> parents: 1624 diff changeset	2491 }
834 9623b9b548d4 Reallocation fixes. Matti Hamalainen <ccr@tnsp.org> parents: 812 diff changeset	2492
449 117f94b253af Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader. Matti Hamalainen <ccr@tnsp.org> parents: 448 diff changeset	2493 if (iff.ncolors > 128)
117f94b253af Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader. Matti Hamalainen <ccr@tnsp.org> parents: 448 diff changeset	2494 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2495 return dmError(DMERR_NOT_SUPPORTED,
1892 cbc911ffd21e Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 1887 diff changeset	2496 "IFF: Halfbrite enabled, but ncolors > 128.\n");
449 117f94b253af Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader. Matti Hamalainen <ccr@tnsp.org> parents: 448 diff changeset	2497 }
117f94b253af Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader. Matti Hamalainen <ccr@tnsp.org> parents: 448 diff changeset	2498
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2499 if ((res = dmPaletteResize(&iff.pal, ncolors * 2)) != DMERR_OK)
834 9623b9b548d4 Reallocation fixes. Matti Hamalainen <ccr@tnsp.org> parents: 812 diff changeset	2500 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2501 dmPaletteFree(iff.pal);
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2502 return res;
834 9623b9b548d4 Reallocation fixes. Matti Hamalainen <ccr@tnsp.org> parents: 812 diff changeset	2503 }
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2504
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2505 for (int i = 0; i < ncolors; i++)
449 117f94b253af Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader. Matti Hamalainen <ccr@tnsp.org> parents: 448 diff changeset	2506 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2507 int i2 = ncolors + i;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2508 iff.pal->colors[i2].r = iff.pal->colors[i].r / 2;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2509 iff.pal->colors[i2].g = iff.pal->colors[i].g / 2;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2510 iff.pal->colors[i2].b = iff.pal->colors[i].b / 2;
449 117f94b253af Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader. Matti Hamalainen <ccr@tnsp.org> parents: 448 diff changeset	2511 }
117f94b253af Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader. Matti Hamalainen <ccr@tnsp.org> parents: 448 diff changeset	2512 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	2513
447 0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2514 (*pimg)->pal = iff.pal;
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2515 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2516
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2517 return res;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2518 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2519
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2520
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2521 static int dmWriteIFFChunkHdr(DMResource fp, DMIFFChunk chunk, const Uint32 id)
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2522 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2523 chunk->offs = dmftell(fp);
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2524 chunk->id = id;
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2525 dmMakeIFFChunkIDStr(chunk);
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2526
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2527 if (!dmf_write_be32(fp, chunk->id) \|\|
1942 f171b929b631 Do not reference uninitialized value in IFF writer, although in this case Matti Hamalainen <ccr@tnsp.org> parents: 1940 diff changeset	2528 !dmf_write_be32(fp, 0))
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2529 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2530 return dmError(DMERR_FREAD,
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2531 "IFF: Could not write IFF '%s' chunk header.\n",
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2532 chunk->idStr);
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2533 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2534 else
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2535 return DMERR_OK;
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2536 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2537
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2538
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2539 static int dmWriteIFFChunkFinish(DMResource fp, DMIFFChunk chunk)
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2540 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2541 off_t curr = dmftell(fp);
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2542 if (curr < 0)
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2543 return dmferror(fp);
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2544
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2545 chunk->size = curr - chunk->offs - (sizeof(Uint32) * 2);
1900 8c6040d5b930 Fix IFF chunk padding. Matti Hamalainen <ccr@tnsp.org> parents: 1899 diff changeset	2546 if (chunk->size & 1)
8c6040d5b930 Fix IFF chunk padding. Matti Hamalainen <ccr@tnsp.org> parents: 1899 diff changeset	2547 {
2020 57a2527ff63d Fix IFF chunk padding. Matti Hamalainen <ccr@tnsp.org> parents: 2019 diff changeset	2548 dmMsg(3, "Padding chunk ID '%s', size %d ++\n",
57a2527ff63d Fix IFF chunk padding. Matti Hamalainen <ccr@tnsp.org> parents: 2019 diff changeset	2549 chunk->idStr, chunk->size);
57a2527ff63d Fix IFF chunk padding. Matti Hamalainen <ccr@tnsp.org> parents: 2019 diff changeset	2550
1900 8c6040d5b930 Fix IFF chunk padding. Matti Hamalainen <ccr@tnsp.org> parents: 1899 diff changeset	2551 if (!dmf_write_byte(fp, 0))
8c6040d5b930 Fix IFF chunk padding. Matti Hamalainen <ccr@tnsp.org> parents: 1899 diff changeset	2552 return dmferror(fp);
8c6040d5b930 Fix IFF chunk padding. Matti Hamalainen <ccr@tnsp.org> parents: 1899 diff changeset	2553
2020 57a2527ff63d Fix IFF chunk padding. Matti Hamalainen <ccr@tnsp.org> parents: 2019 diff changeset	2554 curr++;
1900 8c6040d5b930 Fix IFF chunk padding. Matti Hamalainen <ccr@tnsp.org> parents: 1899 diff changeset	2555 }
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2556
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2557 if (dmfseek(fp, chunk->offs, SEEK_SET) < 0)
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2558 return dmferror(fp);
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2559
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2560 if (!dmf_write_be32(fp, chunk->id) \|\|
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2561 !dmf_write_be32(fp, chunk->size))
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2562 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2563 return dmError(DMERR_FREAD,
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2564 "IFF: Could not write IFF '%s' chunk header.\n",
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2565 chunk->idStr);
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2566 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2567
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2568 if (dmfseek(fp, curr, SEEK_SET) < 0)
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2569 return dmferror(fp);
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2570
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2571 return DMERR_OK;
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2572 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2573
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2574
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2575 enum
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2576 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2577 DMODE_LIT,
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2578 DMODE_RLE,
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2579 };
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2580
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2581
2055 6c6a4ea67540 Make two functions static and one not. Matti Hamalainen <ccr@tnsp.org> parents: 2054 diff changeset	2582 static BOOL dmIFFEncodeByteRun1LIT(DMResource *fp,
2050 416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2583 const Uint8 *buf, const size_t offs,
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2584 const size_t count)
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2585 {
2050 416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2586 if (count <= 0)
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2587 return TRUE;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2588
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2589 Uint8 tmp = count - 1;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2590
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2591 return
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2592 dmf_write_byte(fp, tmp) &&
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2593 dmf_write_str(fp, buf + offs, count);
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2594 }
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2595
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2596
2055 6c6a4ea67540 Make two functions static and one not. Matti Hamalainen <ccr@tnsp.org> parents: 2054 diff changeset	2597 static BOOL dmIFFEncodeByteRun1RLE(DMResource *fp,
2050 416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2598 const Uint8 *buf, const size_t offs,
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2599 const size_t count)
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2600 {
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2601 if (count <= 0)
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2602 return TRUE;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2603
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2604 Uint8
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2605 tmp = ((Uint8) count - 2) ^ 0xff,
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2606 data = buf[offs];
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2607
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2608 return
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2609 dmf_write_byte(fp, tmp) &&
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2610 dmf_write_byte(fp, data);
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2611 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2612
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2613
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2614 BOOL dmIFFEncodeByteRun1Row(DMResource fp, const Uint8 buf, const size_t bufLen)
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2615 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2616 int prev = -1, mode = DMODE_LIT;
2050 416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2617 size_t offs, l_offs, r_offs;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2618 BOOL ret = TRUE;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2619
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2620 for (offs = l_offs = r_offs = 0; offs < bufLen; offs++)
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2621 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2622 Uint8 data = buf[offs];
2050 416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2623 BOOL flush = FALSE;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2624 int pmode = mode;
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2625
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2626 if (data == prev)
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2627 {
2050 416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2628 if (mode == DMODE_LIT &&
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2629 offs - r_offs >= 2)
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2630 {
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2631 ret = dmIFFEncodeByteRun1LIT(fp, buf, l_offs, r_offs - l_offs);
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2632 mode = DMODE_RLE;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2633 }
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2634 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2635 else
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2636 {
2050 416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2637 if (mode != DMODE_LIT)
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2638 {
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2639 ret = dmIFFEncodeByteRun1RLE(fp, buf, r_offs, offs - r_offs);
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2640 mode = DMODE_LIT;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2641 l_offs = offs;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2642 }
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2643 r_offs = offs;
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2644 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2645
2050 416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2646 if (!ret)
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2647 goto out;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2648
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2649 // NOTE! RLE and LIT max are both 128, checked against DP2e
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2650 flush =
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2651 (pmode == DMODE_RLE && offs - r_offs >= 128) \|\|
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2652 (pmode == DMODE_LIT && offs - l_offs >= 128);
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2653
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2654 // Check for last byte of input
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2655 if (offs == bufLen - 1)
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2656 {
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2657 offs++;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2658 flush = TRUE;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2659 pmode = mode;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2660 }
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2661
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2662 if (flush)
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2663 {
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2664 if (pmode == DMODE_RLE)
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2665 ret = dmIFFEncodeByteRun1RLE(fp, buf, r_offs, offs - r_offs);
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2666 else
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2667 ret = dmIFFEncodeByteRun1LIT(fp, buf, l_offs, offs - l_offs);
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2668
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2669 r_offs = l_offs = offs;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2670 mode = DMODE_LIT;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2671
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2672 if (!ret)
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2673 goto out;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2674 }
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2675
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2676 prev = data;
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2677 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2678
2050 416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2679 out:
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2680 return ret;
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2681 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2682
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2683
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2684 static BOOL dmIFFWriteOneRow(DMResource fp, DMIFF iff, const Uint8 *buf, const size_t bufLen)
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2685 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2686 if (iff->bmhd.compression == IFF_COMP_BYTERUN1)
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2687 return dmIFFEncodeByteRun1Row(fp, buf, bufLen);
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2688 else
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2689 return dmf_write_str(fp, buf, bufLen);
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2690 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2691
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2692
2156 e6ec7fad9ce2 Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose. Matti Hamalainen <ccr@tnsp.org> parents: 2154 diff changeset	2693 int dmWriteIFFImage(DMResource fp, const DMImage img, const DMImageWriteSpec *spec)
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2694 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2695 DMIFF iff;
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2696 Uint8 *buf = NULL;
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2697 size_t bufLen;
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2698 int res = DMERR_OK;
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2699
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2700 // XXX: Non-paletted IFF not supported!
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	2701 if ((img->pixfmt != DM_PIXFMT_PALETTE && img->pixfmt != DM_PIXFMT_GRAYSCALE) \|\|
9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	2702 (spec->pixfmt != DM_PIXFMT_PALETTE && spec->pixfmt != DM_PIXFMT_GRAYSCALE))
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2703 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2704 return dmError(DMERR_NOT_SUPPORTED,
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2705 "Non-paletted IFF is not supported.\n");
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2706 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2707
2065 451980580189 Refactor how paletted/indexed formats are handled in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 2064 diff changeset	2708 switch (spec->fmtid)
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2709 {
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2710 case DM_IMGFMT_IFF_ILBM: iff.idsig = IFF_ID_ILBM; iff.idstr = "ILBM"; break;
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2711 case DM_IMGFMT_IFF_PBM : iff.idsig = IFF_ID_PBM; iff.idstr = "PBM"; break;
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2712 case DM_IMGFMT_IFF_ACBM: iff.idsig = IFF_ID_ACBM; iff.idstr = "ACBM"; break;
2065 451980580189 Refactor how paletted/indexed formats are handled in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 2064 diff changeset	2713 default:
451980580189 Refactor how paletted/indexed formats are handled in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 2064 diff changeset	2714 return dmError(DMERR_NOT_SUPPORTED,
451980580189 Refactor how paletted/indexed formats are handled in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 2064 diff changeset	2715 "Invalid IFF format.\n");
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2716 }
2026 b137d324e13f Force 8 bitplanes for IFF PBM images. Matti Hamalainen <ccr@tnsp.org> parents: 2025 diff changeset	2717
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2718 // Setup headers
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2719 iff.bmhd.x = 0;
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2720 iff.bmhd.y = 0;
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2721 iff.bmhd.w = img->width * spec->scaleX;
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2722 iff.bmhd.h = img->height * spec->scaleY;
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2723 iff.bmhd.pagew = img->width * spec->scaleX;
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2724 iff.bmhd.pageh = img->height * spec->scaleY;
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2725 iff.bmhd.pad1 = 0;
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2726 iff.bmhd.xasp = 1; // XXX TODO: compute the xasp/yasp from the img->aspect
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2727 iff.bmhd.yasp = 1;
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2728
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2729 iff.camg = 0; // XXX TODO: when/if HAM support
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2730 iff.bmhd.masking = (img->pal && img->pal->ctransp < 0) ? IFF_MASK_NONE : spec->mask;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2731 iff.bmhd.transp = (img->pal && img->pal->ctransp >= 0 && spec->mask == IFF_MASK_TRANSP) ? img->pal->ctransp : 0xffff;
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2732 iff.bmhd.nplanes = (iff.idsig == IFF_ID_PBM && spec->nplanes < 8) ? 8 : spec->nplanes;
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2733
2069 83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2734 // Apparently ACBM can't/should not use compression .. even though
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2735 // some files in the wild have bmhd.compression != 0 (but are not
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2736 // actually compressed.) To be more compliant with the spec,
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2737 iff.bmhd.compression = (spec->compression && iff.idsig != IFF_ID_ACBM) ? IFF_COMP_BYTERUN1 : IFF_COMP_NONE;
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2738
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2739 dmMsg(2, "IFF: nplanes=%d, comp=%d, mask=%d\n",
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2740 iff.bmhd.nplanes, iff.bmhd.compression, iff.bmhd.masking);
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2741
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2742 // Write IFF FORM header
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2743 if ((res = dmWriteIFFChunkHdr(fp, &iff.chFORM, IFF_ID_FORM)) != DMERR_OK)
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2744 goto out;
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2745
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2746 // Write IFF ILBM/PBM signature
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2747 if (!dmf_write_be32(fp, iff.idsig))
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2748 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2749 res = dmError(DMERR_FWRITE,
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2750 "IFF: Error writing %s signature.\n",
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2751 iff.idstr);
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2752 goto out;
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2753 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2754
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2755 // Write BMHD chunk and data
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2756 if ((res = dmWriteIFFChunkHdr(fp, &iff.chBMHD, IFF_ID_BMHD)) != DMERR_OK \|\|
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2757 !dmf_write_be16(fp, iff.bmhd.w) \|\|
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2758 !dmf_write_be16(fp, iff.bmhd.h) \|\|
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2759 !dmf_write_be16(fp, iff.bmhd.x) \|\|
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2760 !dmf_write_be16(fp, iff.bmhd.y) \|\|
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2761 !dmf_write_byte(fp, iff.bmhd.nplanes) \|\|
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2762 !dmf_write_byte(fp, iff.bmhd.masking) \|\|
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2763 !dmf_write_byte(fp, iff.bmhd.compression) \|\|
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2764 !dmf_write_byte(fp, iff.bmhd.pad1) \|\|
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2765 !dmf_write_be16(fp, iff.bmhd.transp) \|\|
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2766 !dmf_write_byte(fp, iff.bmhd.xasp) \|\|
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2767 !dmf_write_byte(fp, iff.bmhd.yasp) \|\|
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2768 !dmf_write_be16(fp, iff.bmhd.pagew) \|\|
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2769 !dmf_write_be16(fp, iff.bmhd.pageh))
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2770 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2771 res = dmError(DMERR_FWRITE,
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2772 "IFF: Error writing BMHD chunk.\n");
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2773 goto out;
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2774 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2775
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2776 if ((res = dmWriteIFFChunkFinish(fp, &iff.chBMHD)) != DMERR_OK)
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2777 goto out;
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2778
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2779 //
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2780 // CMAP
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2781 //
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	2782 if (spec->pixfmt == DM_PIXFMT_PALETTE &&
2153 7652b3fe8f30 Fix IFF and PCX checks for non-indexed images. Matti Hamalainen <ccr@tnsp.org> parents: 2145 diff changeset	2783 img->pal != NULL &&
7652b3fe8f30 Fix IFF and PCX checks for non-indexed images. Matti Hamalainen <ccr@tnsp.org> parents: 2145 diff changeset	2784 img->pal->ncolors > 0)
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2785 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2786 if ((res = dmWriteIFFChunkHdr(fp, &iff.chCMAP, IFF_ID_CMAP)) != DMERR_OK)
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2787 goto out;
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2788
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2789 if ((res = dmPaletteWriteData(fp, img->pal, img->pal->ncolors, -1)) != DMERR_OK)
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2790 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2791 res = dmError(DMERR_FWRITE,
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2792 "IFF: Could not write CMAP palette.\n");
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2793 goto out;
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2794 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2795
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2796 if ((res = dmWriteIFFChunkFinish(fp, &iff.chCMAP)) != DMERR_OK)
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2797 goto out;
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2798
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2799 dmMsg(2, "IFF: CMAP %d entries (%d bytes)\n",
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2800 img->pal->ncolors, iff.chCMAP.size);
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2801 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2802
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2803 //
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2804 // CAMG
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2805 //
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2806 if ((res = dmWriteIFFChunkHdr(fp, &iff.chCMAP, IFF_ID_CAMG)) != DMERR_OK)
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2807 goto out;
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2808
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2809 if (!dmf_write_be32(fp, iff.camg))
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2810 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2811 return dmError(DMERR_FREAD,
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2812 "IFF: Error writing CAMG chunk.\n");
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2813 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2814
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2815 if ((res = dmWriteIFFChunkFinish(fp, &iff.chCMAP)) != DMERR_OK)
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2816 goto out;
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2817
2050 416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2818
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2819 //
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2820 // Encode the body
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2821 //
2069 83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2822 if ((res = dmWriteIFFChunkHdr(fp, &iff.chBODY,
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2823 (iff.idsig == IFF_ID_ACBM) ? IFF_ID_ABIT : IFF_ID_BODY)) != DMERR_OK)
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2824 goto out;
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2825
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2826 // Allocate encoding buffer
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2827 if (iff.idsig == IFF_ID_ILBM)
2082 a0a6f5a3fbbf Fix plane buffer size calculation for IFF ACBM to round up to nearest byte (minimum of 1). Matti Hamalainen <ccr@tnsp.org> parents: 2081 diff changeset	2828 bufLen = ((img->width * spec->scaleX + 15) / 16) * 2;
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2829 else
2069 83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2830 if (iff.idsig == IFF_ID_ACBM)
2082 a0a6f5a3fbbf Fix plane buffer size calculation for IFF ACBM to round up to nearest byte (minimum of 1). Matti Hamalainen <ccr@tnsp.org> parents: 2081 diff changeset	2831 bufLen = (img->width * spec->scaleX * img->height * spec->scaleY + 7) / 8;
2069 83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2832 else
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2833 bufLen = img->width * spec->scaleX;
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2834
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2835 dmMsg(2, "IFF: Line/plane row size %d bytes.\n", bufLen);
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2836
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2837 if ((buf = dmMalloc(bufLen)) == NULL)
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2838 return DMERR_MALLOC;
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2839
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2840 // Encode the body
2069 83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2841 if (iff.idsig == IFF_ID_ACBM)
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2842 {
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2843 for (int plane = 0; plane < iff.bmhd.nplanes; plane++)
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2844 {
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2845 // Encode bitplane
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2846 dmMemset(buf, 0, bufLen);
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2847
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2848 for (int yc = 0; yc < img->height * spec->scaleY; yc++)
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2849 {
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2850 Uint8 sp = img->data + (yc img->pitch);
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2851 Uint8 dp = buf + (yc img->width * spec->scaleX) / 8;
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2852 for (int xc = 0; xc < img->width * spec->scaleX; xc++)
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2853 dp[xc / 8] \|= ((sp[xc / spec->scaleX] >> plane) & 1) << (7 - (xc & 7));
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2854 }
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2855
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2856 if (!dmIFFWriteOneRow(fp, &iff, buf, bufLen))
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2857 {
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2858 res = dmError(DMERR_FWRITE,
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2859 "IFF: Error writing ACBM image plane %d.\n",
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2860 plane);
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2861 goto out;
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2862 }
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2863 }
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2864 }
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2865 else
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2866 {
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2867 for (int yc = 0; yc < img->height; yc++)
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2868 for (int yscale = 0; yscale < spec->scaleY; yscale++)
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2869 {
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2870 const Uint8 sp = img->data + (yc img->pitch);
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2871
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2872 if (iff.idsig == IFF_ID_ILBM)
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2873 {
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2874 for (int plane = 0; plane < spec->nplanes; plane++)
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2875 {
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2876 // Encode bitplane
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2877 dmMemset(buf, 0, bufLen);
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2878
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2879 for (int xc = 0; xc < img->width * spec->scaleX; xc++)
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2880 buf[xc / 8] \|= ((sp[xc / spec->scaleX] >> plane) & 1) << (7 - (xc & 7));
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2881
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2882 // Compress / write data
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2883 if (!dmIFFWriteOneRow(fp, &iff, buf, bufLen))
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2884 {
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2885 res = dmError(DMERR_FWRITE,
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2886 "IFF: Error writing ILBM image plane #%d @ row %d.\n",
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2887 plane, yc);
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2888 goto out;
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2889 }
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2890 }
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2891
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2892 // Write mask data, if any
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2893 if (iff.bmhd.masking == IFF_MASK_HAS_MASK)
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2894 {
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2895 dmMemset(buf, 0, bufLen);
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2896
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2897 for (int xc = 0; xc < img->width * spec->scaleX; xc++)
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2898 buf[xc / 8] \|= (sp[xc / spec->scaleX] == img->pal->ctransp) << (7 - (xc & 7));
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2899
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2900 if (!dmIFFWriteOneRow(fp, &iff, buf, bufLen))
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2901 {
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2902 res = dmError(DMERR_FWRITE,
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2903 "IFF: Error writing ILBM mask plane %d.\n", yc);
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2904 goto out;
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2905 }
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2906 }
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2907 }
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2908 else
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2909 {
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2910 for (int xc = 0; xc < img->width * spec->scaleX; xc++)
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2911 buf[xc] = sp[xc / spec->scaleX];
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2912
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2913 if (!dmIFFWriteOneRow(fp, &iff, buf, bufLen))
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2914 {
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2915 res = dmError(DMERR_FWRITE,
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2916 "IFF: Error writing PBM image row #%d.\n", yc);
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2917 goto out;
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2918 }
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2919 }
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2920 }
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2921 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2922
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2923 if ((res = dmWriteIFFChunkFinish(fp, &iff.chBODY)) != DMERR_OK)
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2924 goto out;
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2925
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2926 // Finish the FORM chunk
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2927 if ((res = dmWriteIFFChunkFinish(fp, &iff.chFORM)) != DMERR_OK)
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2928 goto out;
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2929
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2930 out:
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2931 dmFree(buf);
1896 f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2932 return res;
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2933 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2934
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2935
1613 70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	2936 //
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	2937 // List of formats
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	2938 //
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2939 const DMImageFormat dmImageFormatList[] =
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2940 {
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2941 #ifdef DM_USE_LIBPNG
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2942 {
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2943 "png", "Portable Network Graphics",
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	2944 DM_IMGFMT_PNG, DM_FMT_RDWR \| DM_PIXFMT_ANY,
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	2945 fmtProbePNG, dmReadPNGImage, dmWritePNGImage,
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2946 },
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2947 #endif
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2948 {
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2949 "ppm", "Portable PixMap",
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	2950 DM_IMGFMT_PPM, DM_FMT_RDWR \| DM_PIXFMT_GRAYSCALE \| DM_PIXFMT_RGB,
2092 614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	2951 fmtProbePPM, dmReadPPMImage, dmWritePPMImage,
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2952 },
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2953 {
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2954 "pcx", "Z-Soft Paintbrush",
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	2955 DM_IMGFMT_PCX, DM_FMT_RDWR \| DM_PIXFMT_PALETTE \| DM_PIXFMT_RGB,
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	2956 fmtProbePCX, dmReadPCXImage, dmWritePCXImage,
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2957 },
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2958 {
2071 3dac7a781317 s/"lbm"/"ilbm"/ Matti Hamalainen <ccr@tnsp.org> parents: 2069 diff changeset	2959 "ilbm", "IFF ILBM (interleaved/old DP2)",
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	2960 DM_IMGFMT_IFF_ILBM, DM_FMT_RDWR \| DM_PIXFMT_PALETTE,
2068 e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2961 fmtProbeIFF_ILBM, dmReadIFFImage, dmWriteIFFImage,
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2962 },
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2963 {
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2964 "pbm", "IFF PBM (DP2e)",
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	2965 DM_IMGFMT_IFF_PBM, DM_FMT_RDWR \| DM_PIXFMT_PALETTE,
2068 e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2966 fmtProbeIFF_PBM, dmReadIFFImage, dmWriteIFFImage,
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2967 },
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2968 {
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2969 "acbm", "IFF ACBM (Amiga Basic)",
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	2970 DM_IMGFMT_IFF_ACBM, DM_FMT_RDWR \| DM_PIXFMT_PALETTE,
2068 e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2971 fmtProbeIFF_ACBM, dmReadIFFImage, dmWriteIFFImage,
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2972 },
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2973 {
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2974 "raw", "Plain bitplaned (planar or non-planar) RAW",
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	2975 DM_IMGFMT_RAW, DM_FMT_WR \| DM_PIXFMT_PALETTE,
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	2976 NULL, NULL, dmWriteRAWImage,
566 d400e32b62d9 Add a slightly different raw output format. Matti Hamalainen <ccr@tnsp.org> parents: 487 diff changeset	2977 },
d400e32b62d9 Add a slightly different raw output format. Matti Hamalainen <ccr@tnsp.org> parents: 487 diff changeset	2978 {
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2979 "araw", "IFFMaster Amiga RAW",
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	2980 DM_IMGFMT_ARAW, DM_FMT_WR \| DM_PIXFMT_PALETTE,
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	2981 NULL, NULL, dmWriteRAWImage,
2047 3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	2982 },
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	2983 {
2057 02fa60b27af5 Correct description of 'cdump' format. Matti Hamalainen <ccr@tnsp.org> parents: 2055 diff changeset	2984 "cdump", "'C' dump (image data only)",
2157 9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage Matti Hamalainen <ccr@tnsp.org> parents: 2156 diff changeset	2985 DM_IMGFMT_CDUMP, DM_FMT_WR \| DM_PIXFMT_ANY,
2047 3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	2986 NULL, NULL, dmWriteCDumpImage,
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2987 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2988 };
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2989
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2990 const int ndmImageFormatList = sizeof(dmImageFormatList) / sizeof(dmImageFormatList[0]);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2991
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2992
36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2993 int dmImageProbeGeneric(const Uint8 buf, const size_t len, const DMImageFormat pfmt, int index)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2994 {
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2995 int scoreMax = DM_PROBE_SCORE_FALSE, scoreIndex = -1;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2996
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2997 for (int i = 0; i < ndmImageFormatList; i++)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2998 {
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2999 const DMImageFormat *fmt = &dmImageFormatList[i];
442 a67600e186d0 Fix probing to handle NULL probe functions. Matti Hamalainen <ccr@tnsp.org> parents: 440 diff changeset	3000 if (fmt->probe != NULL)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	3001 {
442 a67600e186d0 Fix probing to handle NULL probe functions. Matti Hamalainen <ccr@tnsp.org> parents: 440 diff changeset	3002 int score = fmt->probe(buf, len);
a67600e186d0 Fix probing to handle NULL probe functions. Matti Hamalainen <ccr@tnsp.org> parents: 440 diff changeset	3003 if (score > scoreMax)
a67600e186d0 Fix probing to handle NULL probe functions. Matti Hamalainen <ccr@tnsp.org> parents: 440 diff changeset	3004 {
a67600e186d0 Fix probing to handle NULL probe functions. Matti Hamalainen <ccr@tnsp.org> parents: 440 diff changeset	3005 scoreMax = score;
a67600e186d0 Fix probing to handle NULL probe functions. Matti Hamalainen <ccr@tnsp.org> parents: 440 diff changeset	3006 scoreIndex = i;
a67600e186d0 Fix probing to handle NULL probe functions. Matti Hamalainen <ccr@tnsp.org> parents: 440 diff changeset	3007 }
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	3008 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	3009 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	3010
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	3011 if (scoreIndex >= 0)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	3012 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	3013 *pfmt = &dmImageFormatList[scoreIndex];
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	3014 *index = scoreIndex;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	3015 return scoreMax;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	3016 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	3017 else
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	3018 return DM_PROBE_SCORE_FALSE;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	3019 }
2207 1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3020
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3021
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3022 //
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3023 // List of formats
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3024 //
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3025 const DMPaletteFormat dmPaletteFormatList[] =
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3026 {
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3027 {
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3028 "act", "ACT Palette",
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3029 DM_PALFMT_ACT, DM_FMT_RDWR,
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3030 fmtProbeACT, dmReadACTPalette, dmWriteACTPalette,
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3031 },
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3032 };
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3033
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3034 const int ndmPaletteFormatList = sizeof(dmPaletteFormatList) / sizeof(dmPaletteFormatList[0]);
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3035
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3036
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3037 int dmPaletteProbeGeneric(const Uint8 buf, const size_t len, const DMPaletteFormat pfmt, int index)
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3038 {
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3039 int scoreMax = DM_PROBE_SCORE_FALSE, scoreIndex = -1;
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3040
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3041 for (int i = 0; i < ndmPaletteFormatList; i++)
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3042 {
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3043 const DMPaletteFormat *fmt = &dmPaletteFormatList[i];
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3044 if (fmt->probe != NULL)
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3045 {
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3046 int score = fmt->probe(buf, len);
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3047 if (score > scoreMax)
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3048 {
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3049 scoreMax = score;
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3050 scoreIndex = i;
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3051 }
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3052 }
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3053 }
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3054
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3055 if (scoreIndex >= 0)
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3056 {
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3057 *pfmt = &dmPaletteFormatList[scoreIndex];
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3058 *index = scoreIndex;
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3059 return scoreMax;
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3060 }
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3061 else
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3062 return DM_PROBE_SCORE_FALSE;
1ea48084055e Add functionality for separate palette file handling, reading, writing and Matti Hamalainen <ccr@tnsp.org> parents: 2202 diff changeset	3063 }

Mercurial > hg > dmlib

annotate tools/libgfx.c @ 2207:1ea48084055e