dmlib: tools/libgfx.c annotate

annotate tools/libgfx.c @ 2098:e38705223ce4

Support grayscale output.

author	Matti Hamalainen <ccr@tnsp.org>
date	Tue, 05 Mar 2019 12:14:31 +0200
parents	6b2bac1e3445
children	81fb21dd3265

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
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	94 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	95 {
b89598501cec Move dmCompareColor() to libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 472 diff changeset	96 if (c1->r == c2->r &&
b89598501cec Move dmCompareColor() to libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 472 diff changeset	97 c1->g == c2->g &&
b89598501cec Move dmCompareColor() to libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 472 diff changeset	98 c1->b == c2->b)
b89598501cec Move dmCompareColor() to libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 472 diff changeset	99 return alpha ? (c1->a == c2->a) : TRUE;
b89598501cec Move dmCompareColor() to libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 472 diff changeset	100 else
b89598501cec Move dmCompareColor() to libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 472 diff changeset	101 return FALSE;
b89598501cec Move dmCompareColor() to libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 472 diff changeset	102 }
b89598501cec Move dmCompareColor() to libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 472 diff changeset	103
b89598501cec Move dmCompareColor() to libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 472 diff changeset	104
1286 b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	105 int dmImageGetBytesPerPixel(const int format)
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	106 {
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	107 switch (format)
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	108 {
2092 614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	109 case DM_COLFMT_GRAYSCALE : return 1;
1801 0562dd55a1f6 s/DM_IFMT_/DM_COLFMT_/g Matti Hamalainen <ccr@tnsp.org> parents: 1800 diff changeset	110 case DM_COLFMT_PALETTE : return 1;
0562dd55a1f6 s/DM_IFMT_/DM_COLFMT_/g Matti Hamalainen <ccr@tnsp.org> parents: 1800 diff changeset	111 case DM_COLFMT_RGB : return 3;
0562dd55a1f6 s/DM_IFMT_/DM_COLFMT_/g Matti Hamalainen <ccr@tnsp.org> parents: 1800 diff changeset	112 case DM_COLFMT_RGBA : return 4;
0562dd55a1f6 s/DM_IFMT_/DM_COLFMT_/g Matti Hamalainen <ccr@tnsp.org> parents: 1800 diff changeset	113 default : return -1;
1286 b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	114 }
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	115 }
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	116
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	117
2091 3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	118 int dmImageGetBitsPerPixel(const int format)
3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	119 {
3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	120 return dmImageGetBytesPerPixel(format) * 8;
3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	121 }
3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	122
3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	123
1286 b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	124 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	125 {
928 ebe0d93e03c0 Use dmMalloc0() instead of dmCalloc() here. Matti Hamalainen <ccr@tnsp.org> parents: 902 diff changeset	126 DMImage *img = dmMalloc0(sizeof(DMImage));
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	127 if (img == NULL)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	128 return NULL;
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	129
1286 b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	130 img->width = width;
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	131 img->height = height;
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	132 img->format = format;
2093 d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	133 img->bpp = (bpp <= 0) ? dmImageGetBitsPerPixel(format) : bpp;
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	134 img->pitch = (width * img->bpp) / 8;
1628 a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	135 img->size = img->pitch * img->height;
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	136 img->aspect = -1;
930 efbad8817b79 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 929 diff changeset	137
929 e1378398be0f Add size field for allocated data size in DMImage. Matti Hamalainen <ccr@tnsp.org> parents: 928 diff changeset	138 if ((img->data = dmMalloc(img->size)) == NULL)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	139 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	140 dmFree(img);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	141 return NULL;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	142 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	143
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	144 return img;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	145 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	146
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	147
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	148 void dmImageFree(DMImage *img)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	149 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	150 if (img != NULL)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	151 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	152 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	153 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	154
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	155 dmFree(img->data);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	156 dmFree(img);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	157 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	158 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	159
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	160
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	161 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	162 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	163 DMPalette *pal;
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	164 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	165 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	166
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	167 *ppal = NULL;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	168
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	169 // 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	170 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	171 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	172
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	173 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	174 pal->ctransp = ctransp;
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	175
460 0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	176 // 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	177 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	178 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	179 dmFree(pal);
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	180 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	181 }
460 0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	182
0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	183 // 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	184 for (int i = 0; i < pal->ncolors; i++)
460 0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	185 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	186 pal->colors[i].a = (i == pal->ctransp) ? 0x00 : 0xff;
460 0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	187 }
0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	188
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	189 *ppal = pal;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	190
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	191 return DMERR_OK;
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	192 }
fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	193
fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	194
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	195 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	196 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	197 DMPalette *pal;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	198
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	199 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	200 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	201
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	202 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	203 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	204
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	205 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	206 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	207
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	208 pal = *ppal;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	209
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	210 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	211 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	212
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	213 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	214 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	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 (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	217 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	218
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	219 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	220 }
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
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	223 int dmPaletteCopy(DMPalette *pdst, const DMPalette src)
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	224 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	225 DMPalette *pal;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	226 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	227 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	228
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	229 *pdst = NULL;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	230
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	231 // 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	232 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	233 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	234
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	235 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	236
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	237 // 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	238 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	239 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	240 dmFree(pal);
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	241 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	242 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	243
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	244 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	245 *pdst = pal;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	246
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	247 return DMERR_OK;
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	248 }
fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	249
fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	250
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	251 void dmPaletteFree(DMPalette *pal)
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	252 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	253 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	254 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	255 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	256 dmFree(pal);
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	257 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	258 }
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 static int dmPaletteReadData(DMResource fp, DMPalette pal, int ncolors)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	262 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	263 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	264 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	265
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	266 for (int i = 0; i < ncolors; i++)
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	267 {
fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	268 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	269 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	270 !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	271 !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	272 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	273
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	274 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	275 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	276 pal->colors[i].b = colB;
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	277 }
fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	278
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	279 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	280 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	281
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	282
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	283 static int dmPaletteWriteData(DMResource fp, const DMPalette pal, const int ncolors, const int npad)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	284 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	285 int i;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	286
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	287 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	288 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	289
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	290 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	291 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	292
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	293 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	294 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	295 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	296 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	297 !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	298 !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	299 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	300 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	301
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	302 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	303 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	304 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	305 !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	306 !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	307 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	308 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	309
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	310 return DMERR_OK;
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	311 }
fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	312
fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	313
2091 3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	314 int dmWriteImageData(const DMImage img, void cbdata,
3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	315 int (writeRowCB)(void , const Uint8 *, const size_t),
3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	316 const DMImageConvSpec *spec)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	317 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	318 int x, y, yscale, xscale, res = 0, rowSize, rowWidth;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	319 Uint8 *row = NULL;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	320
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	321 // 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	322 rowWidth = img->width * spec->scaleX;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	323 rowSize = rowWidth * dmImageGetBytesPerPixel(spec->format);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	324
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	325 if ((row = dmMalloc(rowSize + 16)) == NULL)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	326 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	327 res = DMERR_MALLOC;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	328 goto done;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	329 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	330
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	331 // Generate the image
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	332 for (y = 0; y < img->height; y++)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	333 {
436 86f956e4580f Cosmetics, rename a variable. Matti Hamalainen <ccr@tnsp.org> parents: 435 diff changeset	334 Uint8 *ptr1 = row,
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	335 *ptr2 = ptr1 + rowWidth,
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	336 *ptr3 = ptr2 + rowWidth,
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	337 *ptr4 = ptr3 + rowWidth;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	338
2098 e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	339 if (img->format == DM_COLFMT_GRAYSCALE)
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	340 {
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	341 for (x = 0; x < img->width; x++)
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	342 {
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	343 Uint8 c = img->data[(y * img->pitch) + (x * img->bpp) / 8];
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	344
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	345 switch (spec->format)
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	346 {
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	347 case DM_COLFMT_PALETTE:
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	348 case DM_COLFMT_GRAYSCALE:
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	349 for (xscale = 0; xscale < spec->scaleX; xscale++)
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	350 *ptr1++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	351 break;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	352
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	353 case DM_COLFMT_RGBA:
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	354 if (spec->planar)
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	355 {
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	356 for (xscale = 0; xscale < spec->scaleX; xscale++)
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	357 {
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	358 *ptr1++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	359 *ptr2++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	360 *ptr3++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	361 *ptr4++ = 0xff;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	362 }
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	363 }
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	364 else
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	365 {
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	366 for (xscale = 0; xscale < spec->scaleX; xscale++)
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	367 {
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	368 *ptr1++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	369 *ptr1++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	370 *ptr1++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	371 *ptr1++ = 0xff;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	372 }
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	373 }
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	374 break;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	375
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	376 case DM_COLFMT_RGB:
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	377 if (spec->planar)
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	378 {
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	379 for (xscale = 0; xscale < spec->scaleX; xscale++)
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	380 {
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	381 *ptr1++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	382 *ptr2++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	383 *ptr3++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	384 }
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	385 }
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	386 else
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	387 {
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	388 for (xscale = 0; xscale < spec->scaleX; xscale++)
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	389 {
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	390 *ptr1++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	391 *ptr1++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	392 *ptr1++ = c;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	393 }
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	394 }
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	395 break;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	396
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	397 default:
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	398 res = DMERR_NOT_SUPPORTED;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	399 goto done;
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	400 }
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	401 }
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	402 }
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	403 else
e38705223ce4 Support grayscale output. Matti Hamalainen <ccr@tnsp.org> parents: 2096 diff changeset	404 if (img->format == DM_COLFMT_PALETTE)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	405 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	406 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	407 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	408 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	409 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	410
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	411 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	412 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	413 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	414 goto done;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	415 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	416
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	417 switch (spec->format)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	418 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	419 case DM_COLFMT_PALETTE:
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	420 case DM_COLFMT_GRAYSCALE:
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	421 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	422 *ptr1++ = c;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	423 break;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	424
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	425 case DM_COLFMT_RGBA:
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	426 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	427 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	428 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	429 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	430
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	431 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	432 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	433 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	434 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	435 *ptr1++ = qr;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	436 *ptr2++ = qg;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	437 *ptr3++ = qb;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	438 *ptr4++ = qa;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	439 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	440 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	441 else
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	442 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	443 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	444 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	445 *ptr1++ = qr;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	446 *ptr1++ = qg;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	447 *ptr1++ = qb;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	448 *ptr1++ = qa;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	449 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	450 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	451 break;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	452
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	453 case DM_COLFMT_RGB:
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	454 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	455 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	456 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	457
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	458 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	459 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	460 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	461 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	462 *ptr1++ = qr;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	463 *ptr2++ = qg;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	464 *ptr3++ = qb;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	465 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	466 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	467 else
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	468 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	469 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	470 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	471 *ptr1++ = qr;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	472 *ptr1++ = qg;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	473 *ptr1++ = qb;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	474 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	475 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	476 break;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	477
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	478 default:
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	479 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	480 goto done;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	481 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	482 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	483 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	484 else
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	485 if (img->format == DM_COLFMT_RGB \|\|
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	486 img->format == DM_COLFMT_RGBA)
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 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	489
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	490 for (x = 0; x < img->width; x++, sp += img->bpp / 8)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	491 switch (spec->format)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	492 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	493 case DM_COLFMT_RGBA:
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	494 if (spec->planar)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	495 {
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	496 for (xscale = 0; xscale < spec->scaleX; xscale++)
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	497 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	498 *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	499 *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	500 *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	501 *ptr4++ = sp[3];
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	502 }
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	503 }
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	504 else
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	505 {
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	506 for (xscale = 0; xscale < spec->scaleX; xscale++)
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	507 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	508 *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	509 *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	510 *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	511 *ptr1++ = sp[3];
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	512 }
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	513 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	514 break;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	515
1801 0562dd55a1f6 s/DM_IFMT_/DM_COLFMT_/g Matti Hamalainen <ccr@tnsp.org> parents: 1800 diff changeset	516 case DM_COLFMT_RGB:
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	517 if (spec->planar)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	518 {
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	519 for (xscale = 0; xscale < spec->scaleX; xscale++)
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	520 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	521 *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	522 *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	523 *ptr3++ = sp[2];
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	524 }
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	525 }
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	526 else
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	527 {
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	528 for (xscale = 0; xscale < spec->scaleX; xscale++)
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	529 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	530 *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	531 *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	532 *ptr1++ = sp[2];
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	533 }
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	534 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	535 break;
2094 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 default:
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	538 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	539 goto done;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	540 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	541 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	542
902 c6c480e8e1c8 Add separate X and Y scaling to gfxconv and libgfx outputters. Matti Hamalainen <ccr@tnsp.org> parents: 858 diff changeset	543 for (yscale = 0; yscale < spec->scaleY; yscale++)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	544 {
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	545 if ((res = writeRowCB(cbdata, row, rowSize)) != DMERR_OK)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	546 goto done;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	547 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	548 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	549
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	550 done:
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	551 dmFree(row);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	552 return res;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	553 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	554
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	555
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	556 #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	557
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	558 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	559 DMResource fp, const char filename, const char *prefix,
2065 451980580189 Refactor how paletted/indexed formats are handled in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 2064 diff changeset	560 const DMImage img, const DMImageConvSpec 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	561 {
2049 a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	562 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	563 "%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	564 "%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	565 "%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	566 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	567 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	568 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	569 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	570
2065 451980580189 Refactor how paletted/indexed formats are handled in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 2064 diff changeset	571 if (spec->fmtid == DM_IMGFMT_ARAW)
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	572 {
2049 a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	573 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	574 "%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	575 "%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	576 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	577 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	578 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	579
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	580 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	581 {
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	582 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	583 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	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 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	586 (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	587 (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	588 }
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	589 else
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	590 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	591
2049 a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	592 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	593 "\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	594 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	595 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	596 }
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	597
2049 a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	598 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	599 "%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	600 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	601 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	602 }
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	603
1887 297aa8f0ca7f Return DMERR_OK instead of dmferror(fp) dmWriteIFFMasterRAWHeader(). Matti Hamalainen <ccr@tnsp.org> parents: 1886 diff changeset	604 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	605 }
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	606
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	607
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	608 static int dmWriteRAWRow(DMBitStreamContext bs, const DMImage img,
2085 b31bb3dc1310 Cosmetic. Matti Hamalainen <ccr@tnsp.org> parents: 2084 diff changeset	609 const DMImageConvSpec *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	610 {
fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling. Matti Hamalainen <ccr@tnsp.org> parents: 1814 diff changeset	611 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	612 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	613 {
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	614 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	615 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	616 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	617 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	618 }
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	619 return DMERR_OK;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	620 }
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	621
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	622
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	623 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	624 {
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	625 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	626
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	627 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	628 return dmferror(fp);
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	629 else
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	630 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	631 }
fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling. Matti Hamalainen <ccr@tnsp.org> parents: 1814 diff changeset	632
fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling. Matti Hamalainen <ccr@tnsp.org> parents: 1814 diff changeset	633
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	634 int dmWriteRAWImage(DMResource fp, const DMImage img, const DMImageConvSpec *spec)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	635 {
1622 009a3e3c54bf Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1621 diff changeset	636 int res;
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	637 DMBitStreamContext ctx;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	638
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	639 dmInitBitStreamContext(&ctx);
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	640 ctx.putByte = dmPutByteRes;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	641 ctx.handle = (void *) fp;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	642
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	643 if (spec->planar)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	644 {
1339 65f8fd1bf76e Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1309 diff changeset	645 // Output bitplanes in planar format
65f8fd1bf76e Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1309 diff changeset	646 // (each plane of line sequentially)
1622 009a3e3c54bf Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1621 diff changeset	647 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	648 for (int yscale = 0; yscale < spec->scaleY; yscale++)
1622 009a3e3c54bf Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1621 diff changeset	649 for (int plane = 0; plane < spec->nplanes; plane++)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	650 {
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	651 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	652 return res;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	653 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	654 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	655 else
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	656 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	657 // Output each bitplane in sequence
1622 009a3e3c54bf Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1621 diff changeset	658 for (int plane = 0; plane < spec->nplanes; plane++)
009a3e3c54bf Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1621 diff changeset	659 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	660 for (int yscale = 0; yscale < spec->scaleY; yscale++)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	661 {
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	662 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	663 return res;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	664 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	665 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	666
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	667 return dmFlushBitStream(&ctx);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	668 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	669
566 d400e32b62d9 Add a slightly different raw output format. Matti Hamalainen <ccr@tnsp.org> parents: 487 diff changeset	670
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	671 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	672 {
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	673 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	674
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	675 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	676 return dmferror(fp);
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	677 else
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	678 return DMERR_OK;
2047 3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	679 }
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	680
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	681
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	682 int dmWriteCDumpImage(DMResource fp, const DMImage img, const DMImageConvSpec *spec)
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	683 {
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	684 int res;
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	685 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	686
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	687 if (dmfprintf(fp,
2047 3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	688 "#define SET_WIDTH %d\n"
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	689 "#define SET_HEIGHT %d\n"
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	690 "\n"
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	691 "Uint8 img_data[] = {\n",
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	692 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	693 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	694 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	695
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	696 dmInitBitStreamContext(&ctx);
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	697 ctx.putByte = dmPutByteCDump;
aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	698 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	699
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	700 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	701 {
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	702 // 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	703 // (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	704 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	705 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	706 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	707 {
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	708 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	709 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	710
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	711 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	712 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	713 }
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	714 }
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	715 else
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	716 {
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	717 // 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	718 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	719 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	720 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	721 {
2086 aedadff9e116 Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2085 diff changeset	722 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	723 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	724
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	725 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	726 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	727 }
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	728 }
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 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 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	731
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling. Matti Hamalainen <ccr@tnsp.org> parents: 2047 diff changeset	732 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	733 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	734 res = dmferror(fp);
2047 3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	735
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	736 return res;
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	737 }
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	738
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	739
1301 e03f20d0f785 Constify. Matti Hamalainen <ccr@tnsp.org> parents: 1300 diff changeset	740 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	741 {
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	742 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	743 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	744 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	745 return DMERR_FWRITE;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	746 }
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
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	749 int dmWritePPMImage(DMResource fp, const DMImage img, const DMImageConvSpec *spec)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	750 {
1290 e7dc9bb9777e Rename struct DMImageSpec to DMImageConvSpec. Matti Hamalainen <ccr@tnsp.org> parents: 1288 diff changeset	751 DMImageConvSpec tmpSpec;
2092 614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	752 char *tmpFmt;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	753
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	754 memcpy(&tmpSpec, spec, sizeof(DMImageConvSpec));
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	755
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	756 switch (spec->format)
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	757 {
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	758 case DM_COLFMT_RGB:
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	759 case DM_COLFMT_RGBA:
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	760 case DM_COLFMT_PALETTE:
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	761 tmpSpec.format = DM_COLFMT_RGB;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	762 tmpFmt = "6";
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	763 break;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	764
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	765 case DM_COLFMT_GRAYSCALE:
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	766 tmpFmt = "5";
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	767 break;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	768
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	769 default:
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	770 return dmError(DMERR_NOT_SUPPORTED,
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	771 "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	772 }
1288 6c8b19d1d196 More work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1287 diff changeset	773
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	774 // 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	775 char *tmp = dm_strdup_printf(
2092 614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	776 "P%s\n%d %d\n255\n",
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	777 tmpFmt,
902 c6c480e8e1c8 Add separate X and Y scaling to gfxconv and libgfx outputters. Matti Hamalainen <ccr@tnsp.org> parents: 858 diff changeset	778 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	779 img->height * spec->scaleY);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	780
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	781 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	782 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	783
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	784 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	785 dmFree(tmp);
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	786
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	787 // Write image data
1288 6c8b19d1d196 More work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1287 diff changeset	788 return dmWriteImageData(img, (void *) fp, dmWritePPMRow, &tmpSpec);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	789 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	790
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	791
2092 614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	792 int dmReadPPMImage(DMResource fp, DMImage *pimg)
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	793 {
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	794 DMImage *img = NULL;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	795 unsigned int width, height;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	796 int itype, res = DMERR_OK;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	797 char hdr1[8], hdr2[32], hdr3[16];
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	798
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	799 // Read PPM header
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	800 if (dmfgets(hdr1, sizeof(hdr1), fp) == NULL \|\|
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	801 dmfgets(hdr2, sizeof(hdr2), fp) == NULL \|\|
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	802 dmfgets(hdr3, sizeof(hdr3), fp) == NULL)
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	803 {
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	804 res = dmError(DMERR_FREAD,
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	805 "PPM: Could not read image header data.\n");
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	806 goto error;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	807 }
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	808
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	809 if (hdr1[0] != 'P' \|\| !isdigit(hdr1[1]) \|\|
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	810 !isdigit(hdr2[0]) \|\| !isdigit(hdr3[0]))
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	811 {
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	812 res = dmError(DMERR_NOT_SUPPORTED,
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	813 "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	814 goto error;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	815 }
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	816
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	817 switch (hdr1[1])
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	818 {
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	819 case '6': itype = DM_COLFMT_RGB; break;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	820 case '5': itype = DM_COLFMT_GRAYSCALE; break;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	821 default:
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	822 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	823 "PPM: Unsupported PPM/PNM/PGM subtype.\n");
2092 614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	824 goto error;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	825 }
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	826
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	827 if (sscanf(hdr2, "%u %u", &width, &height) != 2)
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	828 {
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	829 res = dmError(DMERR_INVALID_DATA,
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	830 "PPM: Invalid PPM/PGM image dimensions.\n");
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	831 goto error;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	832 }
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	833
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	834 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	835 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	836
2092 614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	837 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	838 {
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	839 res = dmError(DMERR_MALLOC,
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	840 "PPM: Could not allocate image data.\n");
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	841 goto error;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	842 }
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	843
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	844 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	845 {
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	846 res = dmError(DMERR_FREAD,
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	847 "PPM: Could not read image data.\n");
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	848 goto error;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	849 }
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	850
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	851 error:
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	852
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	853 return res;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	854 }
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
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	857 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	858 {
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	859 if (len > 32 &&
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	860 buf[0] == 'P' &&
2096 6b2bac1e3445 Improve PPM/PNM/PGM probing. Matti Hamalainen <ccr@tnsp.org> parents: 2095 diff changeset	861 (buf[1] == '5' \|\| buf[1] == '6') &&
2092 614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	862 buf[2] == 0x0a && isdigit(buf[3]))
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	863 return DM_PROBE_SCORE_MAX;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	864
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	865 return DM_PROBE_SCORE_FALSE;
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	866 }
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	867
614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	868
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	869 #ifdef DM_USE_LIBPNG
1613 70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	870 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	871 {
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	872 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	873 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	874 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	875 {
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	876 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	877 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	878 return DM_PROBE_SCORE_MAX;
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	879 else
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	880 return DM_PROBE_SCORE_GOOD;
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	881 }
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	882
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	883 return DM_PROBE_SCORE_FALSE;
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	884 }
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	885
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	886
1301 e03f20d0f785 Constify. Matti Hamalainen <ccr@tnsp.org> parents: 1300 diff changeset	887 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	888 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	889 png_structp png_ptr = cbdata;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	890 (void) len;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	891
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	892 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	893 return DMERR_INTERNAL;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	894
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	895 png_write_row(png_ptr, row);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	896
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	897 return DMERR_OK;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	898 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	899
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	900
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	901 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	902 {
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	903 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	904
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	905 // 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	906 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	907 }
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	908
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	909
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	910 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	911 {
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	912 (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	913 }
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	914
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	915
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	916 int dmWritePNGImage(DMResource fp, const DMImage img, const DMImageConvSpec *spec)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	917 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	918 png_structp png_ptr = NULL;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	919 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	920 int fmt, res;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	921
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	922 // Create PNG structures
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	923 png_ptr = png_create_write_struct(
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	924 PNG_LIBPNG_VER_STRING,
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	925 NULL, NULL, NULL);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	926
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	927 if (png_ptr == NULL)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	928 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	929 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	930 "PNG: png_create_write_struct() failed.\n");
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	931 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	932 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	933
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	934 info_ptr = png_create_info_struct(png_ptr);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	935 if (info_ptr == NULL)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	936 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	937 res = dmError(DMERR_INIT_FAIL,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	938 "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	939 png_ptr);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	940 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	941 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	942
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	943 if (setjmp(png_jmpbuf(png_ptr)))
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	944 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	945 res = dmError(DMERR_INIT_FAIL,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	946 "PNG: Error during image writing..\n");
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	947 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	948 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	949
1304 e968b259605b Fix a warning about potentially clobbered variable due to setjmp() use. Matti Hamalainen <ccr@tnsp.org> parents: 1303 diff changeset	950 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	951 png_set_write_fn(png_ptr, fp, dmPNGWriteData, dmPNGWriteFlush);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	952
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	953 // Write PNG header info
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	954 switch (spec->format)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	955 {
2093 d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	956 case DM_COLFMT_PALETTE : fmt = PNG_COLOR_TYPE_PALETTE; break;
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	957 case DM_COLFMT_GRAYSCALE : fmt = PNG_COLOR_TYPE_GRAY; break;
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	958 case DM_COLFMT_RGB : fmt = PNG_COLOR_TYPE_RGB; break;
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	959 case DM_COLFMT_RGBA : fmt = PNG_COLOR_TYPE_RGB_ALPHA; break;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	960 default:
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	961 res = dmError(DMERR_NOT_SUPPORTED,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	962 "PNG: Unsupported image format %d.\n",
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	963 spec->format);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	964 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	965 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	966
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	967 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	968
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	969 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	970 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	971 img->height * spec->scaleY,
2091 3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	972 8, // bits per component: TODO: FIXME: calculate and use
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	973 fmt,
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	974 PNG_INTERLACE_NONE,
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	975 PNG_COMPRESSION_TYPE_DEFAULT,
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	976 PNG_FILTER_TYPE_DEFAULT);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	977
1287 32051ad352c8 Adjust debug messages and debug message levels in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1286 diff changeset	978 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	979 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	980 img->height * spec->scaleY,
460 0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	981 8, fmt);
0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	982
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	983 // Palette
1801 0562dd55a1f6 s/DM_IFMT_/DM_COLFMT_/g Matti Hamalainen <ccr@tnsp.org> parents: 1800 diff changeset	984 if (spec->format == DM_COLFMT_PALETTE)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	985 {
858 e7019bd83cca Fix potential longjmp clobbering of variable. Matti Hamalainen <ccr@tnsp.org> parents: 834 diff changeset	986 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	987
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	988 if (palette == NULL)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	989 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	990 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	991 "PNG: Could not allocate palette structure.");
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	992 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	993 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	994
1167 848a88ce7a57 Use dmMemset(). Matti Hamalainen <ccr@tnsp.org> parents: 1152 diff changeset	995 dmMemset(palette, 0, PNG_MAX_PALETTE_LENGTH * sizeof(png_color));
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	996
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	997 for (int i = 0; i < img->pal->ncolors; i++)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	998 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	999 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	1000 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	1001 palette[i].blue = img->pal->colors[i].b;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1002 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1003
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1004 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	1005 png_free(png_ptr, palette);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1006 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1007
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1008 // png_set_gAMA(png_ptr, info_ptr, 2.2);
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_write_info(png_ptr, info_ptr);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1011
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 // Write compressed image data
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1014 dmWriteImageData(img, (void *) png_ptr, dmWritePNGRow, spec);
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 // Write footer
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1017 png_write_end(png_ptr, NULL);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1018
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1019 error:
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1020 if (png_ptr && info_ptr)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1021 png_destroy_write_struct(&png_ptr, &info_ptr);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1022
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1023 return res;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1024 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1025
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1026
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1027 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	1028 {
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1029 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	1030
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1031 // 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	1032 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	1033 }
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1034
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	1035
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	1036 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	1037 {
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1038 png_structp png_ptr = NULL;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1039 png_infop info_ptr = NULL;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1040 png_colorp palette = NULL;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1041 png_bytep *row_pointers = NULL;
460 0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	1042 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	1043 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	1044 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	1045 DMImage *img;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1046
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1047 // Create PNG structures
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1048 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	1049 PNG_LIBPNG_VER_STRING,
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1050 NULL, NULL, NULL);
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1051
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1052 if (png_ptr == NULL)
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1053 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1054 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1055 "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	1056 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1057 }
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1058
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1059 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	1060 if (info_ptr == NULL)
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1061 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1062 res = dmError(DMERR_INIT_FAIL,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1063 "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	1064 png_ptr);
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1065 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1066 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1067
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1068 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	1069 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1070 res = dmError(DMERR_INIT_FAIL,
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1071 "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	1072 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1073 }
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1074
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1075 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	1076
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1077 // Read image information
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1078 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	1079
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1080 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	1081 &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	1082
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1083 if (width < 1 \|\| height < 1)
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1084 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1085 res = dmError(DMERR_INVALID_DATA,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1086 "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	1087 width, height);
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1088 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1089 }
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1090
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1091 switch (color_type)
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1092 {
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1093 case PNG_COLOR_TYPE_GRAY:
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1094 if (bit_depth > 8)
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1095 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1096 res = dmError(DMERR_NOT_SUPPORTED,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1097 "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	1098 bit_depth);
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1099 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1100 }
2093 d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1101
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1102 if (bit_depth < 8)
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1103 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	1104
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1105 itype = DM_COLFMT_GRAYSCALE;
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1106 break;
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1107
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1108 case PNG_COLOR_TYPE_PALETTE:
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1109 png_set_packing(png_ptr);
2093 d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1110 itype = DM_COLFMT_PALETTE;
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1111 break;
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1112
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1113 case PNG_COLOR_TYPE_RGB:
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1114 itype = DM_COLFMT_RGB;
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1115 break;
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1116
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1117 case PNG_COLOR_TYPE_RGBA:
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1118 itype = DM_COLFMT_RGBA;
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1119 break;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1120
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1121 default:
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1122 res = dmError(DMERR_NOT_SUPPORTED,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1123 "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	1124 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1125 }
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1126
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1127 // Allocate image
1287 32051ad352c8 Adjust debug messages and debug message levels in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1286 diff changeset	1128 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	1129 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	1130
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	1131 if ((*pimg = img = dmImageAlloc(width, height,
2093 d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1132 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	1133 // 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	1134 -1 /* bit_depth */)) == NULL)
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1135 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1136 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1137 "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	1138 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1139 }
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1140
1628 a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	1141 // Set image aspect ratio
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	1142 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	1143
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	1144 if (res_x > 0 && res_y > 0 &&
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	1145 res_y / res_x != (unsigned) (img->height / img->width))
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	1146 img->aspect = (float) res_y / (float) res_x;
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	1147
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1148 // ...
1938 a8e475eede4a Fix two memory leaks in the PNG writer/reader of libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1921 diff changeset	1149 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	1150 goto error;
a8e475eede4a Fix two memory leaks in the PNG writer/reader of libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1921 diff changeset	1151
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1152 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	1153 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	1154
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1155 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	1156
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1157 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	1158 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	1159
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1160 // Create palette
2093 d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1161 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	1162 {
2093 d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1163 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	1164 if (ncolors > 0 && palette != NULL)
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1165 {
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1166 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	1167
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1168 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	1169 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	1170
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1171 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	1172 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1173 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	1174 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	1175 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	1176 }
2093 d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1177 }
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1178
460 0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	1179 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	1180 if (trans != NULL && ntrans > 0)
460 0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	1181 {
2091 3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	1182 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	1183 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	1184 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1185 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	1186 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	1187 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	1188 }
460 0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	1189 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1190 }
460 0af039b6c0ae Improve transparent color handling. Matti Hamalainen <ccr@tnsp.org> parents: 453 diff changeset	1191
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1192 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	1193
453 349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1194 error:
1939 bc00373e5a90 Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 1938 diff changeset	1195 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	1196 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	1197
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1198 return res;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG. Matti Hamalainen <ccr@tnsp.org> parents: 452 diff changeset	1199 }
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1200 #endif
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1201
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1202
1613 70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1203 //
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1204 // Z-Soft PCX format
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1205 //
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1206 #define DMPCX_PAL_COLORS 16 // Number of internal palette colors
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1207
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1208 typedef struct
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1209 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1210 Uint8 r,g,b;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1211 } DMPCXColor;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1212
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1213
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1214 typedef struct
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1215 {
2091 3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	1216 Uint8
3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	1217 manufacturer, // always 0x0a
3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	1218 version, // Z-Soft PC Paintbrush version:
1288 6c8b19d1d196 More work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1287 diff changeset	1219 // 0 = v2.5
6c8b19d1d196 More work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1287 diff changeset	1220 // 2 = v2.8 with palette,
6c8b19d1d196 More work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1287 diff changeset	1221 // 3 = v2.8 without palette
6c8b19d1d196 More work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1287 diff changeset	1222 // 4 = PC Paintbrush for Windows
6c8b19d1d196 More work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1287 diff changeset	1223 // 5 = v3.0 or better
2091 3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	1224 encoding, // usually 0x01 = RLE, 0x00 = uncompressed
3b3acb6b4ba0 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 2086 diff changeset	1225 bitsPerPlane; // bits per pixel per plane
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1226
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1227 Uint16 xmin, ymin, xmax, ymax;
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1228 Uint16 hres, vres; // resolution in DPI, can be image dimensions as well.
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1229 DMPCXColor colorMap[DMPCX_PAL_COLORS];
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1230 Uint8 reserved; // should be set to 0
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1231 Uint8 nplanes; // number of planes
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1232 Uint16 bpl; // bytes per plane LINE
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1233 Uint16 palInfo; // 1 = color/BW, 2 = grayscale
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1234 Uint16 hScreenSize, vScreenSize;
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1235 Uint8 filler[54];
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1236 } DMPCXHeader;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1237
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1238
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1239 typedef struct
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1240 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1241 DMPCXHeader *header;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1242 Uint8 *buf;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1243 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	1244 DMResource *fp;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1245 } DMPCXData;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1246
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1247
1613 70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1248 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	1249 {
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1250 if (len > 128 + 32 &&
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1251 (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	1252 buf[2] == 1 &&
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1253 (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	1254 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	1255 return DM_PROBE_SCORE_GOOD;
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1256
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1257 return DM_PROBE_SCORE_FALSE;
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1258 }
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1259
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1260
1298 f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1261 // Returns one byte from row buffer (of length len) at offset soffs,
f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1262 // OR zero if the offset is outside buffer.
1301 e03f20d0f785 Constify. Matti Hamalainen <ccr@tnsp.org> parents: 1300 diff changeset	1263 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	1264 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1265 return (soffs < len) ? row[soffs] : 0;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1266 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1267
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1268 static BOOL dmPCXFlush(DMPCXData *pcx)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1269 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1270 BOOL ret = TRUE;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1271 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	1272 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	1273
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1274 pcx->bufOffs = 0;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1275 return ret;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1276 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1277
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1278 static inline BOOL dmPCXPutByte(DMPCXData *pcx, const Uint8 val)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1279 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1280 if (pcx->bufOffs < pcx->bufLen)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1281 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1282 pcx->buf[pcx->bufOffs++] = val;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1283 return TRUE;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1284 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1285 else
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1286 return dmPCXFlush(pcx);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1287 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1288
1297 5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1289
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1290 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	1291 {
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1292 if (count == 1 && (data & 0xC0) != 0xC0)
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1293 {
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1294 if (!dmPCXPutByte(pcx, data))
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1295 return DMERR_FWRITE;
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1296 }
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1297 else
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1298 {
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1299 if (!dmPCXPutByte(pcx, 0xC0 \| count) \|\|
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1300 !dmPCXPutByte(pcx, data))
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1301 return DMERR_FWRITE;
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1302 }
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1303 return DMERR_OK;
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1304 }
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1305
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1306
1301 e03f20d0f785 Constify. Matti Hamalainen <ccr@tnsp.org> parents: 1300 diff changeset	1307 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	1308 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1309 DMPCXData pcx = (DMPCXData ) cbdata;
1297 5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1310 int err;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1311 size_t soffs = 0;
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1312
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1313 pcx->bufOffs = 0;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1314
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1315 for (int plane = 0; plane < pcx->header->nplanes; plane++)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1316 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1317 Uint8 data = dmPCXGetByte(row, len, soffs++),
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1318 count = 1;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1319
1297 5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1320 size_t blen = pcx->header->bpl * pcx->header->nplanes;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1321 while (soffs < blen)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1322 {
1297 5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1323 if (data == dmPCXGetByte(row, len, soffs) && count < 0x3F)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1324 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1325 count++;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1326 soffs++;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1327 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1328 else
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1329 {
1297 5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1330 if ((err = dmPCXPutData(pcx, data, count)) != DMERR_OK)
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1331 return err;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1332
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1333 data = dmPCXGetByte(row, len, soffs++);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1334 count = 1;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1335 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1336 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1337
1297 5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1338 if ((err = dmPCXPutData(pcx, data, count)) != DMERR_OK)
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1339 return err;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1340
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1341 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	1342 return DMERR_FWRITE;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1343 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1344
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	1345 return DMERR_OK;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1346 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1347
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1348
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	1349 int dmWritePCXImage(DMResource fp, const DMImage img, const DMImageConvSpec *pspec)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1350 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1351 DMPCXData pcx;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1352 DMPCXHeader hdr;
1303 be30466fbc47 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1302 diff changeset	1353 DMImageConvSpec spec;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1354 int res;
1302 38614c07c2e2 Now with "almost" working 24bit PCX output. Almost. Matti Hamalainen <ccr@tnsp.org> parents: 1301 diff changeset	1355
1303 be30466fbc47 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1302 diff changeset	1356 // Always force planar for PCX
1302 38614c07c2e2 Now with "almost" working 24bit PCX output. Almost. Matti Hamalainen <ccr@tnsp.org> parents: 1301 diff changeset	1357 memcpy(&spec, pspec, sizeof(DMImageConvSpec));
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost. Matti Hamalainen <ccr@tnsp.org> parents: 1301 diff changeset	1358 spec.planar = TRUE;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1359
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	1360 // XXX: 24bit PCX does not work yet ..
2093 d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1361 if (spec.format != DM_COLFMT_PALETTE &&
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1362 spec.format != DM_COLFMT_GRAYSCALE)
1800 45e7688336dc Fix checks for NULL palette in index/palette images. Also improve error Matti Hamalainen <ccr@tnsp.org> parents: 1730 diff changeset	1363 {
45e7688336dc Fix checks for NULL palette in index/palette images. Also improve error Matti Hamalainen <ccr@tnsp.org> parents: 1730 diff changeset	1364 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	1365 "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	1366 }
45e7688336dc Fix checks for NULL palette in index/palette images. Also improve error Matti Hamalainen <ccr@tnsp.org> parents: 1730 diff changeset	1367
2065 451980580189 Refactor how paletted/indexed formats are handled in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 2064 diff changeset	1368 if (spec.format == DM_COLFMT_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	1369 {
45e7688336dc Fix checks for NULL palette in index/palette images. Also improve error Matti Hamalainen <ccr@tnsp.org> parents: 1730 diff changeset	1370 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	1371 "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	1372 }
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	1373
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1374 // Create output file
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1375 pcx.buf = NULL;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1376 pcx.header = &hdr;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1377 pcx.fp = fp;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1378
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1379 // Create PCX header
1167 848a88ce7a57 Use dmMemset(). Matti Hamalainen <ccr@tnsp.org> parents: 1152 diff changeset	1380 dmMemset(&hdr, 0, sizeof(hdr));
2093 d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1381 if (spec.format == DM_COLFMT_PALETTE \|\|
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1382 spec.format == DM_COLFMT_GRAYSCALE)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1383 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1384 const int ncolors = img->pal->ncolors > DMPCX_PAL_COLORS ? DMPCX_PAL_COLORS : img->pal->ncolors;
2016 7114ea4c3c42 Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 1948 diff changeset	1385 for (int i = 0; i < ncolors; i++)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1386 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1387 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	1388 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	1389 hdr.colorMap[i].b = img->pal->colors[i].b;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1390 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1391 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1392 hdr.manufacturer = 10;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1393 hdr.version = 5;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1394 hdr.encoding = 1;
1302 38614c07c2e2 Now with "almost" working 24bit PCX output. Almost. Matti Hamalainen <ccr@tnsp.org> parents: 1301 diff changeset	1395 hdr.hres = img->width * spec.scaleX;
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost. Matti Hamalainen <ccr@tnsp.org> parents: 1301 diff changeset	1396 hdr.vres = img->height * spec.scaleY;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1397 hdr.xmin = hdr.ymin = 0;
1302 38614c07c2e2 Now with "almost" working 24bit PCX output. Almost. Matti Hamalainen <ccr@tnsp.org> parents: 1301 diff changeset	1398 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	1399 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	1400 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	1401 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	1402 hdr.vScreenSize = hdr.vres;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1403
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1404 // TODO XXX .. maybe actually compute these asdf
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1405 hdr.bitsPerPlane = 8;
1302 38614c07c2e2 Now with "almost" working 24bit PCX output. Almost. Matti Hamalainen <ccr@tnsp.org> parents: 1301 diff changeset	1406 hdr.nplanes = dmImageGetBytesPerPixel(spec.format);
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1407
1302 38614c07c2e2 Now with "almost" working 24bit PCX output. Almost. Matti Hamalainen <ccr@tnsp.org> parents: 1301 diff changeset	1408 res = img->width * spec.scaleX;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1409 hdr.bpl = res / 2;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1410 if (res % 2) hdr.bpl++;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1411 hdr.bpl *= 2;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1412
1297 5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1413 dmMsg(2,
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1414 "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	1415 hdr.xmin, hdr.ymin, hdr.xmax, hdr.ymax,
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1416 hdr.hres, hdr.vres,
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1417 hdr.hScreenSize, hdr.vScreenSize);
5bd64397453b More work on PCX writer. Matti Hamalainen <ccr@tnsp.org> parents: 1296 diff changeset	1418
2065 451980580189 Refactor how paletted/indexed formats are handled in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 2064 diff changeset	1419 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	1420 hdr.nplanes, hdr.bitsPerPlane, hdr.bpl,
2065 451980580189 Refactor how paletted/indexed formats are handled in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 2064 diff changeset	1421 spec.format,
1302 38614c07c2e2 Now with "almost" working 24bit PCX output. Almost. Matti Hamalainen <ccr@tnsp.org> parents: 1301 diff changeset	1422 spec.planar ? "yes" : "no"
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost. Matti Hamalainen <ccr@tnsp.org> parents: 1301 diff changeset	1423 );
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1424
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1425 // TODO XXX this is also bogus
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1426 pcx.bufLen = hdr.bpl * 4;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1427 if ((pcx.buf = dmMalloc(pcx.bufLen)) == NULL)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1428 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1429 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1430 "PCX: Could not allocate %d bytes for RLE compression buffer.\n",
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1431 pcx.bufLen);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1432 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1433 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1434
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1435 // 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	1436 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	1437 !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	1438 !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	1439 !dmf_write_byte(pcx.fp, hdr.bitsPerPlane))
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1440 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1441 res = dmError(DMERR_FWRITE,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1442 "PCX: Could not write basic header data.\n");
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1443 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1444 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1445
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1446 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	1447 !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	1448 !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	1449 !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	1450 !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	1451 !dmf_write_le16(pcx.fp, hdr.vres))
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1452 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1453 res = dmError(DMERR_FWRITE,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1454 "PCX: Could not write image dimensions.\n");
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1455 goto error;
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
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1458 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	1459 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1460 res = dmError(DMERR_FWRITE,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1461 "PCX: Could not write colormap.\n");
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1462 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1463 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1464
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1465 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	1466 !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	1467 !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	1468 !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	1469 !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	1470 !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	1471 !dmf_write_str(pcx.fp, (Uint8 *) &hdr.filler, sizeof(hdr.filler)))
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1472 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1473 res = dmError(DMERR_FWRITE,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1474 "PCX: Could not write header remainder.\n");
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1475 goto error;
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
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1478 // Write image data
1302 38614c07c2e2 Now with "almost" working 24bit PCX output. Almost. Matti Hamalainen <ccr@tnsp.org> parents: 1301 diff changeset	1479 res = dmWriteImageData(img, (void *) &pcx, dmWritePCXRow, &spec);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1480
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1481 // Write VGA palette
2093 d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1482 if (spec.format == DM_COLFMT_PALETTE \|\|
d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1483 spec.format == DM_COLFMT_GRAYSCALE)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1484 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1485 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	1486
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1487 dmf_write_byte(pcx.fp, 0x0C);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1488
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1489 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	1490 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1491 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	1492 "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	1493 goto error;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1494 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1495 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1496
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1497 error:
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1498 dmFree(pcx.buf);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1499 return res;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1500 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1501
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1502
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1503 static BOOL dmPCXDecodeRLERow(DMResource fp, Uint8 buf, const size_t bufLen)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1504 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1505 size_t offs = 0;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1506 do
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 int count;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1509 Uint8 data;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1510
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1511 if (!dmf_read_byte(fp, &data))
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1512 return FALSE;
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1513
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1514 if ((data & 0xC0) == 0xC0)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1515 {
1284 28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1516 BOOL skip = FALSE;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1517 count = data & 0x3F;
1284 28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1518 if (count == 0)
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1519 {
1285 e4bda4909d72 Make libgfx error mode a global variable, at least for now. Matti Hamalainen <ccr@tnsp.org> parents: 1284 diff changeset	1520 switch (dmGFXErrorMode)
1284 28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1521 {
1285 e4bda4909d72 Make libgfx error mode a global variable, at least for now. Matti Hamalainen <ccr@tnsp.org> parents: 1284 diff changeset	1522 case DM_ERRMODE_RECOV_1:
1284 28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1523 // Use as literal
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1524 skip = TRUE;
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1525 count = 1;
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1526 break;
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1527
1285 e4bda4909d72 Make libgfx error mode a global variable, at least for now. Matti Hamalainen <ccr@tnsp.org> parents: 1284 diff changeset	1528 case DM_ERRMODE_RECOV_2:
1284 28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1529 // Ignore completely
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1530 skip = TRUE;
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1531 break;
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1532
1285 e4bda4909d72 Make libgfx error mode a global variable, at least for now. Matti Hamalainen <ccr@tnsp.org> parents: 1284 diff changeset	1533 case DM_ERRMODE_FAIL:
1284 28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1534 default:
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1535 // Error out on "invalid" data
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1536 return FALSE;
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1537 }
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1538 }
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1539
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1540 if (!skip && !dmf_read_byte(fp, &data))
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1541 return FALSE;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1542 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1543 else
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1544 count = 1;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1545
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1546 while (count-- && offs < bufLen)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1547 buf[offs++] = data;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1548
1284 28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1549 // 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	1550 if (count > 0 && dmGFXErrorMode == DM_ERRMODE_FAIL)
1284 28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1551 return FALSE;
28be63226b05 More work on PCX loader. Matti Hamalainen <ccr@tnsp.org> parents: 1283 diff changeset	1552
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1553 } while (offs < bufLen);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1554
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1555 return TRUE;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1556 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1557
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1558
1886 1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported. Matti Hamalainen <ccr@tnsp.org> parents: 1881 diff changeset	1559 int dmReadPCXImage(DMResource fp, DMImage *pimg)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1560 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1561 DMImage *img;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1562 DMPCXData pcx;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1563 DMPCXHeader hdr;
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1564 int res = 0;
1286 b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1565 BOOL isPaletted;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1566 pcx.buf = NULL;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1567
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1568 // 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	1569 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	1570 !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	1571 !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	1572 !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	1573 !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	1574 !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	1575 !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	1576 !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	1577 !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	1578 !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	1579 !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	1580 !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	1581 !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	1582 !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	1583 !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	1584 !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	1585 !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	1586 !dmf_read_str(fp, (Uint8 *) &hdr.filler, sizeof(hdr.filler)))
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1587 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1588 res = dmError(DMERR_FREAD,
1298 f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1589 "PCX: Could not read image header data.\n");
f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1590 goto error;
f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1591 }
f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1592
f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1593 if (hdr.manufacturer != 10 \|\|
f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1594 hdr.version > 5 \|\|
f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1595 hdr.encoding != 1)
f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1596 {
f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1597 res = dmError(DMERR_NOT_SUPPORTED,
f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1598 "PCX: Not a PCX file, or unsupported variant.\n");
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1599 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1600 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1601
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	1602 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	1603 {
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	1604 dmMsg(2,
2078 b2f1ce24f81b Be more informative when attempting to figure out broken PCX file. Matti Hamalainen <ccr@tnsp.org> parents: 2071 diff changeset	1605 "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	1606 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	1607
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	1608 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	1609 }
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	1610
1295 7a986f33895e Fix isPaletted check in PCX reader :P Matti Hamalainen <ccr@tnsp.org> parents: 1294 diff changeset	1611 isPaletted = (hdr.bitsPerPlane * hdr.nplanes) <= 8;
1291 2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1612
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1613 dmMsg(2,
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1614 "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	1615 hdr.xmin, hdr.ymin, hdr.xmax, hdr.ymax,
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1616 hdr.hres, hdr.vres,
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1617 hdr.hScreenSize, hdr.vScreenSize);
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1618
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1619 dmMsg(2,
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1620 "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	1621 hdr.nplanes, hdr.bitsPerPlane, hdr.bpl, isPaletted ? "yes" : "no");
2c4acbc3e7bf More work on libgfx etc. Matti Hamalainen <ccr@tnsp.org> parents: 1290 diff changeset	1622
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1623 if (hdr.nplanes < 1 \|\| hdr.nplanes > 8)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1624 {
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1625 res = dmError(DMERR_NOT_SUPPORTED,
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1626 "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	1627 hdr.nplanes);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1628 goto error;
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
1286 b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1631 if (!isPaletted)
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1632 {
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1633 res = dmError(DMERR_NOT_SUPPORTED,
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1634 "PCX: Non-indexed (truecolour) PCX images not supported for loading.\n");
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1635 goto error;
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1636 }
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1637
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1638 // Allocate image
1286 b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1639 if ((*pimg = img = dmImageAlloc(hdr.xmax - hdr.xmin + 1, hdr.ymax - hdr.ymin + 1,
2093 d17512dbb4ef Some work on reading >8bpp images. Matti Hamalainen <ccr@tnsp.org> parents: 2092 diff changeset	1640 isPaletted ? DM_COLFMT_PALETTE : DM_COLFMT_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	1641 // 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	1642 // 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	1643 -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	1644 )) == NULL)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1645 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1646 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1647 "PCX: Could not allocate image structure.\n");
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1648 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1649 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1650
1628 a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	1651 // Set image aspect ratio
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	1652 if (hdr.hScreenSize > 0 && hdr.vScreenSize > 0 &&
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	1653 hdr.vScreenSize / hdr.hScreenSize != img->height / img->width)
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	1654 img->aspect = (float) hdr.vScreenSize / (float) hdr.hScreenSize;
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	1655
1298 f0d6aac3adc4 Some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1297 diff changeset	1656 // Sanity check bytes per line value
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1657 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	1658 {
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1659 res = dmError(DMERR_MALLOC,
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1660 "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	1661 hdr.bpl, (img->width * hdr.bitsPerPlane) / 8);
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1662 goto error;
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1663 }
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1664
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1665 pcx.bufLen = hdr.nplanes * hdr.bpl;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1666 if ((pcx.buf = dmMalloc(pcx.bufLen)) == NULL)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1667 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1668 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1669 "PCX: Could not allocate RLE buffer.\n");
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1670 goto error;
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
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	1673 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	1674 "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	1675 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	1676
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1677 // Read image data
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1678 Uint8 *dp = img->data;
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1679 for (int yc = 0; yc < img->height; yc++)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1680 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1681 // 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	1682 if (!dmPCXDecodeRLERow(fp, pcx.buf, pcx.bufLen))
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1683 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1684 res = dmError(DMERR_INVALID_DATA,
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1685 "PCX: Error decoding RLE compressed data.\n");
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1686 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1687 }
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1688
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1689 // Decode bitplanes
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1690 switch (hdr.bitsPerPlane)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1691 {
1296 228cab109c6a More work on PCX reader. Matti Hamalainen <ccr@tnsp.org> parents: 1295 diff changeset	1692 case 24:
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1693 case 8:
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1694 {
1286 b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1695 // Actually bytes and bits per plane per pixel ..
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1696 const int bytesPerPlane = hdr.bitsPerPlane / 8;
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1697
1286 b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1698 for (int nplane = 0; nplane < hdr.nplanes; nplane++)
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1699 {
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1700 Uint8 dptr = dp + (nplane bytesPerPlane),
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1701 sptr = pcx.buf + (hdr.bpl nplane);
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1702
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1703 memcpy(dptr, sptr, img->width * bytesPerPlane);
b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1704 }
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1705 }
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1706 break;
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1707
1280 300a51e98fc3 Bump version and copyright. Matti Hamalainen <ccr@tnsp.org> parents: 1279 diff changeset	1708 case 1:
1814 0b7062d874ef Use dmMemset() instead of memset(). Matti Hamalainen <ccr@tnsp.org> parents: 1810 diff changeset	1709 dmMemset(dp, 0, img->width);
1296 228cab109c6a More work on PCX reader. Matti Hamalainen <ccr@tnsp.org> parents: 1295 diff changeset	1710
1280 300a51e98fc3 Bump version and copyright. Matti Hamalainen <ccr@tnsp.org> parents: 1279 diff changeset	1711 for (int nplane = 0; nplane < hdr.nplanes; nplane++)
300a51e98fc3 Bump version and copyright. Matti Hamalainen <ccr@tnsp.org> parents: 1279 diff changeset	1712 {
1296 228cab109c6a More work on PCX reader. Matti Hamalainen <ccr@tnsp.org> parents: 1295 diff changeset	1713 Uint8 sptr = pcx.buf + (hdr.bpl nplane);
1280 300a51e98fc3 Bump version and copyright. Matti Hamalainen <ccr@tnsp.org> parents: 1279 diff changeset	1714
300a51e98fc3 Bump version and copyright. Matti Hamalainen <ccr@tnsp.org> parents: 1279 diff changeset	1715 for (int xc = 0; xc < img->width; xc++)
1296 228cab109c6a More work on PCX reader. Matti Hamalainen <ccr@tnsp.org> parents: 1295 diff changeset	1716 {
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	1717 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	1718 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	1719 }
1280 300a51e98fc3 Bump version and copyright. Matti Hamalainen <ccr@tnsp.org> parents: 1279 diff changeset	1720 }
300a51e98fc3 Bump version and copyright. Matti Hamalainen <ccr@tnsp.org> parents: 1279 diff changeset	1721 break;
300a51e98fc3 Bump version and copyright. Matti Hamalainen <ccr@tnsp.org> parents: 1279 diff changeset	1722
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1723 default:
1285 e4bda4909d72 Make libgfx error mode a global variable, at least for now. Matti Hamalainen <ccr@tnsp.org> parents: 1284 diff changeset	1724 res = dmError(DMERR_NOT_SUPPORTED,
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1725 "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	1726 hdr.bitsPerPlane);
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1727 goto error;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1728 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1729
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1730 dp += img->pitch;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1731 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1732
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1733 // Read additional VGA palette, if available
1286 b812fad6f33e Work on libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1285 diff changeset	1734 if (isPaletted)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1735 {
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1736 int ncolors;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1737 Uint8 tmpb;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1738 BOOL read;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1739
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1740 if (!dmf_read_byte(fp, &tmpb) \|\| tmpb != 0x0C)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1741 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1742 read = FALSE;
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	1743 ncolors = DMPCX_PAL_COLORS;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1744 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1745 else
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1746 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1747 read = TRUE;
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	1748 ncolors = 256;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1749 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1750
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1751 if ((res = dmPaletteAlloc(&(img->pal), ncolors, -1)) != DMERR_OK)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1752 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1753 res = dmError(res,
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1754 "PCX: Could not allocate palette data!\n");
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1755 goto error;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1756 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1757
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1758 if (read)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1759 {
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1760 // Okay, attempt to read the palette data
1296 228cab109c6a More work on PCX reader. Matti Hamalainen <ccr@tnsp.org> parents: 1295 diff changeset	1761 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	1762 if ((res = dmPaletteReadData(fp, img->pal, ncolors)) != DMERR_OK)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1763 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1764 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	1765 goto error;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1766 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1767 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1768 else
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1769 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1770 const int nmax = img->pal->ncolors > DMPCX_PAL_COLORS ? DMPCX_PAL_COLORS : 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	1771
1279 0d3f5f44c0c4 Somewhat improve PCX read support in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 1265 diff changeset	1772 // 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	1773 // 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	1774 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	1775
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1776 for (int i = 0; i < nmax; i++)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1777 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	1778 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	1779 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	1780 img->pal->colors[i].b = hdr.colorMap[i].b;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1781 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1782 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1783 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1784
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1785 error:
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1786 dmFree(pcx.buf);
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1787 return res;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1788 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1789
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1790
1613 70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1791 //
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1792 // IFF ILBM / PBM format
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1793 //
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1794 #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	1795 #define IFF_ID_ILBM 0x494C424D // "ILBM"
464 358776103ceb Add support for IFF PBMs. Matti Hamalainen <ccr@tnsp.org> parents: 462 diff changeset	1796 #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	1797 #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	1798 #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	1799 #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	1800 #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	1801 #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	1802 #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	1803
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1804 #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	1805 #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	1806 #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	1807 #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	1808
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1809 #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	1810 #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	1811
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	1812 #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	1813 #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	1814 #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	1815
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1816 typedef struct
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1817 {
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1818 Uint32 id;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1819 Uint32 size;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1820 int count;
1656 2de258f2eb2e Get rid of a basically redundant function in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1655 diff changeset	1821 char idStr[6];
1895 eb03869a10d3 Clean up the IFF reader and make it more robust. Matti Hamalainen <ccr@tnsp.org> parents: 1894 diff changeset	1822 off_t offs;
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1823 } DMIFFChunk;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1824
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1825
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1826 typedef struct
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1827 {
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1828 Uint16 w, h;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1829 Sint16 x, y;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1830 Uint8 nplanes;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1831 Uint8 masking;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1832 Uint8 compression;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1833 Uint8 pad1;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1834 Uint16 transp;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1835 Uint8 xasp, yasp;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1836 Sint16 pagew, pageh;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1837 } DMIFFBMHD;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1838
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1839
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	1840 typedef struct
7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	1841 {
1810 c9197a038e8e Various cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1808 diff changeset	1842 DMIFFChunk chFORM, chBMHD, chCMAP, chBODY;
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	1843 DMIFFBMHD bmhd;
1810 c9197a038e8e Various cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1808 diff changeset	1844 Uint32 camg;
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	1845 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	1846 DMPalette *pal;
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	1847 Uint32 idsig;
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	1848 char *idstr;
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	1849 } DMIFF;
7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	1850
7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	1851
2068 e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1852 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	1853 {
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1854 if (len > 32 &&
2068 e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1855 DM_BE32_TO_NATIVE((Uint32 ) (buf + 0)) == IFF_ID_FORM &&
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1856 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	1857 {
2063 bd109c0a7b88 Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2057 diff changeset	1858 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	1859 return DM_PROBE_SCORE_MAX;
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1860 else
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1861 return DM_PROBE_SCORE_GOOD;
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1862 }
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1863
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1864 return DM_PROBE_SCORE_FALSE;
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1865 }
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1866
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	1867
2068 e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1868 static int fmtProbeIFF_ILBM(const Uint8 *buf, const size_t len)
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1869 {
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1870 return fmtProbeIFF(buf, len, IFF_ID_ILBM);
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1871 }
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1872
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1873
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1874 static int fmtProbeIFF_PBM(const Uint8 *buf, const size_t len)
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1875 {
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1876 return fmtProbeIFF(buf, len, IFF_ID_PBM);
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1877 }
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1878
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1879
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1880 static int fmtProbeIFF_ACBM(const Uint8 *buf, const size_t len)
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1881 {
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1882 return fmtProbeIFF(buf, len, IFF_ID_ACBM);
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1883 }
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1884
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	1885
1657 2b6dbdd602b5 Split IFF chunk id string from id creation into separate function. Matti Hamalainen <ccr@tnsp.org> parents: 1656 diff changeset	1886 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	1887 {
2b6dbdd602b5 Split IFF chunk id string from id creation into separate function. Matti Hamalainen <ccr@tnsp.org> parents: 1656 diff changeset	1888 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	1889 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	1890 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	1891 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	1892 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	1893 }
2b6dbdd602b5 Split IFF chunk id string from id creation into separate function. Matti Hamalainen <ccr@tnsp.org> parents: 1656 diff changeset	1894
2b6dbdd602b5 Split IFF chunk id string from id creation into separate function. Matti Hamalainen <ccr@tnsp.org> parents: 1656 diff changeset	1895
1654 92656ad7f706 Improve IFF reader error handling. Matti Hamalainen <ccr@tnsp.org> parents: 1641 diff changeset	1896 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	1897 {
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1898 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	1899 !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	1900 {
1654 92656ad7f706 Improve IFF reader error handling. Matti Hamalainen <ccr@tnsp.org> parents: 1641 diff changeset	1901 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	1902 "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	1903 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1904 else
1656 2de258f2eb2e Get rid of a basically redundant function in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1655 diff changeset	1905 {
1895 eb03869a10d3 Clean up the IFF reader and make it more robust. Matti Hamalainen <ccr@tnsp.org> parents: 1894 diff changeset	1906 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	1907 dmMakeIFFChunkIDStr(chunk);
1654 92656ad7f706 Improve IFF reader error handling. Matti Hamalainen <ccr@tnsp.org> parents: 1641 diff changeset	1908 return DMERR_OK;
1656 2de258f2eb2e Get rid of a basically redundant function in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1655 diff changeset	1909 }
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1910 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1911
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1912
1895 eb03869a10d3 Clean up the IFF reader and make it more robust. Matti Hamalainen <ccr@tnsp.org> parents: 1894 diff changeset	1913 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	1914 {
1901 636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	1915 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	1916 size = chunk->size;
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	1917
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	1918 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	1919 {
1901 636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	1920 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	1921 size, size + 1);
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	1922 size++;
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	1923 }
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1924
1901 636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	1925 if (size > read)
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	1926 {
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	1927 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	1928 size - read, read, size);
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	1929
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	1930 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	1931 {
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1932 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	1933 "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	1934 }
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	1935 }
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	1936
1901 636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	1937 return DMERR_OK;
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	1938 }
7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	1939
1656 2de258f2eb2e Get rid of a basically redundant function in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1655 diff changeset	1940
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	1941 static int dmCheckIFFChunk(DMIFFChunk dest, const DMIFFChunk chunk,
445 1d65efb29986 Simplify. Matti Hamalainen <ccr@tnsp.org> parents: 444 diff changeset	1942 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	1943 {
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1944 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	1945 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1946 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	1947 "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	1948 chunk->idStr);
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1949 }
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1950
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1951 dest->count++;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1952
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1953 if (chunk->size < minSize)
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1954 {
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1955 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	1956 "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	1957 chunk->idStr, chunk->size, minSize);
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1958 }
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1959
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	1960 return DMERR_OK;
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1961 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1962
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	1963
2055 6c6a4ea67540 Make two functions static and one not. Matti Hamalainen <ccr@tnsp.org> parents: 2054 diff changeset	1964 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	1965 {
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	1966 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	1967 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	1968 {
1905 425259977bc5 Don't use signed arithmatic in IFF ByteRun1 decoder. Matti Hamalainen <ccr@tnsp.org> parents: 1904 diff changeset	1969 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	1970
1905 425259977bc5 Don't use signed arithmatic in IFF ByteRun1 decoder. Matti Hamalainen <ccr@tnsp.org> parents: 1904 diff changeset	1971 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	1972 return FALSE;
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	1973
1905 425259977bc5 Don't use signed arithmatic in IFF ByteRun1 decoder. Matti Hamalainen <ccr@tnsp.org> parents: 1904 diff changeset	1974 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	1975 {
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1976 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	1977 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	1978 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	1979 else
1905 425259977bc5 Don't use signed arithmatic in IFF ByteRun1 decoder. Matti Hamalainen <ccr@tnsp.org> parents: 1904 diff changeset	1980 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	1981 {
1905 425259977bc5 Don't use signed arithmatic in IFF ByteRun1 decoder. Matti Hamalainen <ccr@tnsp.org> parents: 1904 diff changeset	1982 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	1983 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	1984 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	1985
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	1986 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	1987 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	1988 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	1989 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	1990 {
1905 425259977bc5 Don't use signed arithmatic in IFF ByteRun1 decoder. Matti Hamalainen <ccr@tnsp.org> parents: 1904 diff changeset	1991 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	1992 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	1993 {
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	1994 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	1995 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	1996
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	1997 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	1998 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	1999 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2000 } 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	2001
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2002 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	2003 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2004
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2005
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2006 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	2007 {
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2008 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	2009 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	2010 else
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2011 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	2012 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2013
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2014
1622 009a3e3c54bf Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1621 diff changeset	2015 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	2016 {
dacf4c2f7a86 Remove slight code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1618 diff changeset	2017 return (buf[xc / 8] >> (7 - (xc & 7))) & 1;
dacf4c2f7a86 Remove slight code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1618 diff changeset	2018 }
dacf4c2f7a86 Remove slight code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1618 diff changeset	2019
dacf4c2f7a86 Remove slight code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1618 diff changeset	2020
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2021 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	2022 {
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2023 Uint8 *buf = NULL;
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2024 size_t bufLen = 0;
1618 4c96181c9c09 Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 1616 diff changeset	2025 int res = DMERR_OK;
1659 99b8ab61dc1b Micro-optimization. Matti Hamalainen <ccr@tnsp.org> parents: 1658 diff changeset	2026 const int nplanes = iff->bmhd.nplanes;
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	2027
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2028 if (iff->idsig == IFF_ID_ILBM)
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2029 {
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2030 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	2031 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	2032
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2033 }
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2034 else
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2035 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	2036 {
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	2037 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	2038 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	2039 }
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2040
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2041 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	2042 return DMERR_MALLOC;
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	2043
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	2044 // Decode the chunk
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2045 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	2046 {
2081 a14286e2710e Initialize the destination image data in case of IFF ACBM loading. Matti Hamalainen <ccr@tnsp.org> parents: 2078 diff changeset	2047 // 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	2048 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	2049
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2050 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	2051 {
2069 83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2052 // Decompress or read data
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2053 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	2054 {
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2055 res = dmError(DMERR_FREAD,
2069 83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2056 "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	2057 plane);
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2058 goto out;
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2059 }
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2060
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2061 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	2062 {
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2063 Uint8 dp = img->data + (yc img->pitch);
2067 430c010d97c1 Fix hardcoding in ACBM decoding. Matti Hamalainen <ccr@tnsp.org> parents: 2065 diff changeset	2064 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	2065 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	2066 {
2067 430c010d97c1 Fix hardcoding in ACBM decoding. Matti Hamalainen <ccr@tnsp.org> parents: 2065 diff changeset	2067 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	2068 }
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2069 }
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2070 }
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2071 }
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2072 else
1618 4c96181c9c09 Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 1616 diff changeset	2073 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	2074 {
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2075 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	2076
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2077 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	2078 {
1907 571109a14967 Add some more informative messages in IFF loader. Matti Hamalainen <ccr@tnsp.org> parents: 1906 diff changeset	2079 // Clear planar decoding buffer
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2080 dmMemset(dp, 0, img->pitch);
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2081
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2082 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	2083 {
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2084 // Decompress or read data
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2085 if (!dmIFFReadOneRow(fp, iff, buf, bufLen))
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2086 {
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2087 res = dmError(DMERR_FREAD,
2069 83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2088 "IFF: Error in reading ILBM image plane #%d @ %d.\n",
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2089 plane, yc);
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2090 goto out;
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2091 }
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2092
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2093 // Decode bitplane
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2094 for (int xc = 0; xc < img->width; xc++)
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2095 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	2096 }
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
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2098 // Read mask data
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2099 if (iff->bmhd.masking == IFF_MASK_HAS_MASK)
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2100 {
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2101 // Decompress or read data
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2102 if (!dmIFFReadOneRow(fp, iff, buf, bufLen))
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2103 {
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2104 res = dmError(DMERR_FREAD,
2069 83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2105 "IFF: Error in reading ILBM mask plane.\n");
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2106 goto out;
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2107 }
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	2108
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2109 // Decode mask
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2110 for (int xc = 0; xc < img->width; xc++)
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2111 {
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2112 const Uint8 data = dmDecodeBit(buf, xc);
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2113
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2114 // Black out any pixels with mask bit 0
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2115 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	2116 dp[xc] = img->pal->ctransp < 0 ? 0 : img->pal->ctransp;
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2117 }
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2118 }
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2119 }
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2120 else
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2121 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	2122 {
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2123 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	2124 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2125 res = dmError(DMERR_FREAD,
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2126 "IFF: Error reading PBM image row #%d.\n", yc);
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2127 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	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 }
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
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2132 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	2133 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	2134 return res;
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2135 }
7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2136
7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2137
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	2138 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	2139 {
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2140 DMIFFChunk chunk;
7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2141 DMIFF iff;
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2142 BOOL parsed = FALSE;
1627 d0e626e039bf Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 1626 diff changeset	2143 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	2144
1167 848a88ce7a57 Use dmMemset(). Matti Hamalainen <ccr@tnsp.org> parents: 1152 diff changeset	2145 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	2146
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2147 // Read IFF FORM header
1654 92656ad7f706 Improve IFF reader error handling. Matti Hamalainen <ccr@tnsp.org> parents: 1641 diff changeset	2148 if ((res = dmReadIFFChunkHdr(fp, &chunk)) != DMERR_OK)
92656ad7f706 Improve IFF reader error handling. Matti Hamalainen <ccr@tnsp.org> parents: 1641 diff changeset	2149 return res;
92656ad7f706 Improve IFF reader error handling. Matti Hamalainen <ccr@tnsp.org> parents: 1641 diff changeset	2150
92656ad7f706 Improve IFF reader error handling. Matti Hamalainen <ccr@tnsp.org> parents: 1641 diff changeset	2151 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	2152 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2153 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	2154 "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	2155 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	2156 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	2157
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	2158 // 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	2159 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	2160 (iff.idsig != IFF_ID_ILBM &&
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2161 iff.idsig != IFF_ID_PBM &&
6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2162 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	2163 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2164 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	2165 "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	2166 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2167
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	2168 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	2169 iff.idsig == IFF_ID_ILBM ? "ILBM" :
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2170 (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	2171 chunk.size);
1907 571109a14967 Add some more informative messages in IFF loader. Matti Hamalainen <ccr@tnsp.org> parents: 1906 diff changeset	2172
1609 c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE. Matti Hamalainen <ccr@tnsp.org> parents: 1583 diff changeset	2173 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	2174 {
1895 eb03869a10d3 Clean up the IFF reader and make it more robust. Matti Hamalainen <ccr@tnsp.org> parents: 1894 diff changeset	2175 // Read chunk header
1654 92656ad7f706 Improve IFF reader error handling. Matti Hamalainen <ccr@tnsp.org> parents: 1641 diff changeset	2176 if ((res = dmReadIFFChunkHdr(fp, &chunk)) != DMERR_OK)
92656ad7f706 Improve IFF reader error handling. Matti Hamalainen <ccr@tnsp.org> parents: 1641 diff changeset	2177 return res;
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	2178
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2179 switch (chunk.id)
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2180 {
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2181 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	2182 // 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	2183 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	2184 return res;
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2185
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	2186 // 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	2187 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	2188 !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	2189 !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	2190 !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	2191 !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	2192 !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	2193 !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	2194 !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	2195 !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	2196 !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	2197 !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	2198 !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	2199 !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	2200 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2201 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	2202 "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	2203 }
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2204
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	2205 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	2206 iff.bmhd.w, iff.bmhd.h, iff.bmhd.x, iff.bmhd.y,
1655 a05e3fcc60ec Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1654 diff changeset	2207 iff.bmhd.nplanes, iff.bmhd.compression, iff.bmhd.masking,
a05e3fcc60ec Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1654 diff changeset	2208 iff.bmhd.transp);
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	2209
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	2210 // 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	2211 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	2212 (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	2213 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	2214 (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	2215 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	2216 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	2217 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2218 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	2219 "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	2220 }
2069 83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2221
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2222 if (iff.idsig == IFF_ID_ACBM &&
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2223 iff.bmhd.compression != IFF_COMP_NONE)
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2224 {
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2225 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	2226 iff.bmhd.compression);
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2227
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2228 iff.bmhd.compression = IFF_COMP_NONE;
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2229 }
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2230 break;
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2231
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2232
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2233 case IFF_ID_CMAP:
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2234 // 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	2235 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	2236 return res;
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2237
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2238 // Check for sanity
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2239 if (chunk.size % 3 != 0)
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2240 {
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2241 // Non-fatal
985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2242 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	2243 "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	2244 }
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2245
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2246 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	2247 dmMsg(2, "IFF: CMAP %d entries (%d bytes)\n",
1624 9a8395b56d1a Remove unused message argument. Matti Hamalainen <ccr@tnsp.org> parents: 1623 diff changeset	2248 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	2249
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2250 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	2251 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	2252
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	2253 // Read palette
fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	2254 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	2255 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2256 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	2257 (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	2258 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2259 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	2260 return res;
451 fdc91f2a0d27 Modularize palette reading and handling code. Matti Hamalainen <ccr@tnsp.org> parents: 449 diff changeset	2261 }
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2262 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	2263 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2264 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	2265 return res;
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2266 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2267 }
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 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	2270 parsed = TRUE;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2271 break;
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	2272
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2273 case IFF_ID_BODY:
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2274 case IFF_ID_ABIT:
1621 9aaa8ee24626 Fix a comment. Matti Hamalainen <ccr@tnsp.org> parents: 1620 diff changeset	2275 // 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	2276 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	2277 return res;
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2278
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	2279 // Check for sanity
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2280 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	2281 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2282 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	2283 "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	2284 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2285
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2286 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	2287
1626 1793fc1496da Remove some code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1625 diff changeset	2288 // Allocate image
1793fc1496da Remove some code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1625 diff changeset	2289 if ((*pimg = dmImageAlloc(iff.bmhd.w, iff.bmhd.h,
1801 0562dd55a1f6 s/DM_IFMT_/DM_COLFMT_/g Matti Hamalainen <ccr@tnsp.org> parents: 1800 diff changeset	2290 iff.bmhd.nplanes <= 8 ? DM_COLFMT_PALETTE : DM_COLFMT_RGBA,
1626 1793fc1496da Remove some code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1625 diff changeset	2291 // 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	2292 //iff->bmhd.nplanes <= 8 ? iff->bmhd.nplanes : -1
1793fc1496da Remove some code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1625 diff changeset	2293 -1
1793fc1496da Remove some code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1625 diff changeset	2294 )) == NULL)
1793fc1496da Remove some code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1625 diff changeset	2295 return DMERR_MALLOC;
1793fc1496da Remove some code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 1625 diff changeset	2296
1628 a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	2297 // Set image aspect ratio
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	2298 if (iff.bmhd.xasp > 0 && iff.bmhd.yasp > 0)
a549d33d543a Add image aspect ratio information. Matti Hamalainen <ccr@tnsp.org> parents: 1627 diff changeset	2299 (*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	2300
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	2301 // Decode the body
1903 8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2302 if ((res = dmDecodeIFFBody(fp, &iff, *pimg)) != DMERR_OK)
8ad98bc7402c Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1902 diff changeset	2303 return res;
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2304
1895 eb03869a10d3 Clean up the IFF reader and make it more robust. Matti Hamalainen <ccr@tnsp.org> parents: 1894 diff changeset	2305 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	2306 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	2307
444 7d588807f91d Clean up the IFF parser a bit. Matti Hamalainen <ccr@tnsp.org> parents: 443 diff changeset	2308 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	2309 parsed = TRUE;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2310 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	2311
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	2312 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	2313 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	2314 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2315 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	2316 "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	2317 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	2318
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	2319 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	2320
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	2321 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	2322 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2323 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	2324 "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	2325 }
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	2326 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	2327
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2328
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2329 default:
1901 636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2330 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	2331 chunk.idStr, chunk.size);
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	2332
1901 636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2333 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	2334 {
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2335 return dmError(DMERR_FSEEK,
636d3c8bcd35 Fix uneven chunk size handling in IFF reader. Matti Hamalainen <ccr@tnsp.org> parents: 1900 diff changeset	2336 "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	2337 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2338 break;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2339 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	2340
1895 eb03869a10d3 Clean up the IFF reader and make it more robust. Matti Hamalainen <ccr@tnsp.org> parents: 1894 diff changeset	2341 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	2342 return res;
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2343 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2344
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	2345 // Check if we should have a palette
2019 e809e323fdde Check for NULL pointer. Matti Hamalainen <ccr@tnsp.org> parents: 2016 diff changeset	2346 if (pimg != NULL && (pimg)->format == DM_COLFMT_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	2347 {
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	2348 // 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	2349 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	2350 {
5790b52c339e Check that we have a CMAP/palette for IFF images that should have it. Matti Hamalainen <ccr@tnsp.org> parents: 1945 diff changeset	2351 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	2352 "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	2353 }
5790b52c339e Check that we have a CMAP/palette for IFF images that should have it. Matti Hamalainen <ccr@tnsp.org> parents: 1945 diff changeset	2354
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	2355 // 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	2356 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	2357 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2358 int ncolors = iff.ncolors;
2053 6dfbe976d740 Implement basic initial support for IFF ACBM format images. Matti Hamalainen <ccr@tnsp.org> parents: 2050 diff changeset	2359 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	2360 {
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	2361 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	2362 }
834 9623b9b548d4 Reallocation fixes. Matti Hamalainen <ccr@tnsp.org> parents: 812 diff changeset	2363
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	2364 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	2365 {
958 985225a93aeb Add error code parameter to dmError() and dmErrorVA(). Matti Hamalainen <ccr@tnsp.org> parents: 930 diff changeset	2366 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	2367 "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	2368 }
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	2369
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2370 if ((res = dmPaletteResize(&iff.pal, ncolors * 2)) != DMERR_OK)
834 9623b9b548d4 Reallocation fixes. Matti Hamalainen <ccr@tnsp.org> parents: 812 diff changeset	2371 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2372 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	2373 return res;
834 9623b9b548d4 Reallocation fixes. Matti Hamalainen <ccr@tnsp.org> parents: 812 diff changeset	2374 }
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2375
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2376 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	2377 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2378 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	2379 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	2380 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	2381 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	2382 }
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	2383 }
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 958 diff changeset	2384
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	2385 (*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	2386 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working. Matti Hamalainen <ccr@tnsp.org> parents: 445 diff changeset	2387
443 f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2388 return res;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2389 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2390
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2391
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	2392 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	2393 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2394 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	2395 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	2396 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	2397
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2398 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	2399 !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	2400 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2401 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	2402 "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	2403 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	2404 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2405 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	2406 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	2407 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2408
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2409
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2410 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	2411 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2412 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	2413 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	2414 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	2415
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2416 chunk->size = curr - chunk->offs - (sizeof(Uint32) * 2);
1900 8c6040d5b930 Fix IFF chunk padding. Matti Hamalainen <ccr@tnsp.org> parents: 1899 diff changeset	2417 if (chunk->size & 1)
8c6040d5b930 Fix IFF chunk padding. Matti Hamalainen <ccr@tnsp.org> parents: 1899 diff changeset	2418 {
2020 57a2527ff63d Fix IFF chunk padding. Matti Hamalainen <ccr@tnsp.org> parents: 2019 diff changeset	2419 dmMsg(3, "Padding chunk ID '%s', size %d ++\n",
57a2527ff63d Fix IFF chunk padding. Matti Hamalainen <ccr@tnsp.org> parents: 2019 diff changeset	2420 chunk->idStr, chunk->size);
57a2527ff63d Fix IFF chunk padding. Matti Hamalainen <ccr@tnsp.org> parents: 2019 diff changeset	2421
1900 8c6040d5b930 Fix IFF chunk padding. Matti Hamalainen <ccr@tnsp.org> parents: 1899 diff changeset	2422 if (!dmf_write_byte(fp, 0))
8c6040d5b930 Fix IFF chunk padding. Matti Hamalainen <ccr@tnsp.org> parents: 1899 diff changeset	2423 return dmferror(fp);
8c6040d5b930 Fix IFF chunk padding. Matti Hamalainen <ccr@tnsp.org> parents: 1899 diff changeset	2424
2020 57a2527ff63d Fix IFF chunk padding. Matti Hamalainen <ccr@tnsp.org> parents: 2019 diff changeset	2425 curr++;
1900 8c6040d5b930 Fix IFF chunk padding. Matti Hamalainen <ccr@tnsp.org> parents: 1899 diff changeset	2426 }
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	2427
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2428 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	2429 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	2430
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2431 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	2432 !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	2433 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2434 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	2435 "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	2436 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	2437 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2438
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2439 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	2440 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	2441
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2442 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	2443 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2444
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2445
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2446 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	2447 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2448 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	2449 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	2450 };
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2451
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2452
2055 6c6a4ea67540 Make two functions static and one not. Matti Hamalainen <ccr@tnsp.org> parents: 2054 diff changeset	2453 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	2454 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	2455 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	2456 {
2050 416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2457 if (count <= 0)
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2458 return TRUE;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2459
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2460 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	2461
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2462 return
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2463 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	2464 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	2465 }
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2466
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2467
2055 6c6a4ea67540 Make two functions static and one not. Matti Hamalainen <ccr@tnsp.org> parents: 2054 diff changeset	2468 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	2469 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	2470 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	2471 {
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2472 if (count <= 0)
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2473 return TRUE;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2474
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2475 Uint8
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2476 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	2477 data = buf[offs];
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2478
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2479 return
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2480 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	2481 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	2482 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2483
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2484
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2485 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	2486 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2487 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	2488 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	2489 BOOL ret = TRUE;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2490
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2491 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	2492 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2493 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	2494 BOOL flush = FALSE;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2495 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	2496
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2497 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	2498 {
2050 416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2499 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	2500 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	2501 {
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2502 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	2503 mode = DMODE_RLE;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2504 }
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	2505 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2506 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	2507 {
2050 416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2508 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	2509 {
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2510 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	2511 mode = DMODE_LIT;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2512 l_offs = offs;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2513 }
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2514 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	2515 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2516
2050 416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2517 if (!ret)
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2518 goto out;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2519
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2520 // 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	2521 flush =
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2522 (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	2523 (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	2524
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2525 // 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	2526 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	2527 {
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2528 offs++;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2529 flush = TRUE;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2530 pmode = mode;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2531 }
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2532
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2533 if (flush)
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2534 {
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2535 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	2536 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	2537 else
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2538 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	2539
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2540 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	2541 mode = DMODE_LIT;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2542
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2543 if (!ret)
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2544 goto out;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2545 }
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2546
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	2547 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	2548 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2549
2050 416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2550 out:
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2551 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	2552 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2553
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2554
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2555 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	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 (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	2558 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	2559 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	2560 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	2561 }
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
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2564 int dmWriteIFFImage(DMResource fp, const DMImage img, const DMImageConvSpec *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	2565 {
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 DMIFF iff;
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2567 Uint8 *buf = NULL;
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2568 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	2569 int res = DMERR_OK;
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2570
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2571 // XXX: Non-paletted IFF not supported!
2065 451980580189 Refactor how paletted/indexed formats are handled in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 2064 diff changeset	2572 if (spec->format != DM_COLFMT_PALETTE)
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	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 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	2575 "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	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
2065 451980580189 Refactor how paletted/indexed formats are handled in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 2064 diff changeset	2578 switch (spec->fmtid)
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2579 {
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2580 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	2581 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	2582 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	2583 default:
451980580189 Refactor how paletted/indexed formats are handled in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 2064 diff changeset	2584 return dmError(DMERR_NOT_SUPPORTED,
451980580189 Refactor how paletted/indexed formats are handled in libgfx. Matti Hamalainen <ccr@tnsp.org> parents: 2064 diff changeset	2585 "Invalid IFF format.\n");
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2586 }
2026 b137d324e13f Force 8 bitplanes for IFF PBM images. Matti Hamalainen <ccr@tnsp.org> parents: 2025 diff changeset	2587
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	2588 // 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	2589 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	2590 iff.bmhd.y = 0;
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2591 iff.bmhd.w = img->width * spec->scaleX;
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2592 iff.bmhd.h = img->height * spec->scaleY;
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2593 iff.bmhd.pagew = img->width * spec->scaleX;
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2594 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	2595 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	2596 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	2597 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	2598
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2599 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	2600 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	2601 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	2602 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	2603
2069 83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2604 // Apparently ACBM can't/should not use compression .. even though
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2605 // 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	2606 // actually compressed.) To be more compliant with the spec,
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2607 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	2608
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	2609 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	2610 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	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 // 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	2613 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	2614 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	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 // 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	2617 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	2618 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2619 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	2620 "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	2621 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	2622 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	2623 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2624
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 // 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	2626 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	2627 !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	2628 !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	2629 !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	2630 !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	2631 !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	2632 !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	2633 !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	2634 !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	2635 !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	2636 !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	2637 !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	2638 !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	2639 !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	2640 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2641 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	2642 "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	2643 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	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
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2646 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	2647 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	2648
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2649 //
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2650 // 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	2651 //
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2652 if (img->pal->ncolors > 0 && spec->format == DM_COLFMT_PALETTE)
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	2653 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2654 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	2655 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	2656
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2657 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	2658 {
2094 4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation Matti Hamalainen <ccr@tnsp.org> parents: 2093 diff changeset	2659 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	2660 "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	2661 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	2662 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2663
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2664 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	2665 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	2666
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2667 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	2668 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	2669 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2670
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2671 //
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2672 // 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	2673 //
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2674 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	2675 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	2676
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 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	2678 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2679 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	2680 "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	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 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	2684 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	2685
2050 416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho. Matti Hamalainen <ccr@tnsp.org> parents: 2049 diff changeset	2686
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	2687 //
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 // 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	2689 //
2069 83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2690 if ((res = dmWriteIFFChunkHdr(fp, &iff.chBODY,
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2691 (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	2692 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	2693
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2694 // Allocate encoding buffer
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2695 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	2696 bufLen = ((img->width * spec->scaleX + 15) / 16) * 2;
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2697 else
2069 83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2698 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	2699 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	2700 else
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2701 bufLen = img->width * spec->scaleX;
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2702
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2703 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	2704
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2705 if ((buf = dmMalloc(bufLen)) == NULL)
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2706 return DMERR_MALLOC;
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2707
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2708 // Encode the body
2069 83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2709 if (iff.idsig == IFF_ID_ACBM)
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2710 {
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2711 for (int plane = 0; plane < iff.bmhd.nplanes; plane++)
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2712 {
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2713 // Encode bitplane
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2714 dmMemset(buf, 0, bufLen);
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2715
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2716 for (int yc = 0; yc < img->height * spec->scaleY; yc++)
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2717 {
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2718 Uint8 sp = img->data + (yc img->pitch);
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2719 Uint8 dp = buf + (yc img->width * spec->scaleX) / 8;
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2720 for (int xc = 0; xc < img->width * spec->scaleX; xc++)
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2721 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	2722 }
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2723
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2724 if (!dmIFFWriteOneRow(fp, &iff, buf, bufLen))
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2725 {
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2726 res = dmError(DMERR_FWRITE,
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2727 "IFF: Error writing ACBM image plane %d.\n",
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2728 plane);
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2729 goto out;
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2730 }
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2731 }
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2732 }
83a3d05b5c1d Fixes to ACBM support. Matti Hamalainen <ccr@tnsp.org> parents: 2068 diff changeset	2733 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	2734 {
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2735 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	2736 for (int yscale = 0; yscale < spec->scaleY; yscale++)
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2737 {
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2738 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	2739
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2740 if (iff.idsig == IFF_ID_ILBM)
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2741 {
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2742 for (int plane = 0; plane < spec->nplanes; plane++)
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2743 {
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2744 // Encode bitplane
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2745 dmMemset(buf, 0, bufLen);
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2746
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2747 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	2748 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	2749
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2750 // Compress / write data
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2751 if (!dmIFFWriteOneRow(fp, &iff, buf, bufLen))
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2752 {
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2753 res = dmError(DMERR_FWRITE,
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2754 "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	2755 plane, yc);
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2756 goto out;
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2757 }
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2758 }
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2759
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2760 // Write mask data, if any
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2761 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	2762 {
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2763 dmMemset(buf, 0, bufLen);
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2764
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2765 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	2766 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	2767
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2768 if (!dmIFFWriteOneRow(fp, &iff, buf, bufLen))
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2769 {
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2770 res = dmError(DMERR_FWRITE,
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2771 "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	2772 goto out;
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2773 }
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2774 }
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2775 }
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2776 else
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2777 {
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2778 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	2779 buf[xc] = sp[xc / spec->scaleX];
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2780
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2781 if (!dmIFFWriteOneRow(fp, &iff, buf, bufLen))
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2782 {
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2783 res = dmError(DMERR_FWRITE,
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2784 "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	2785 goto out;
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2786 }
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2787 }
5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2788 }
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	2789 }
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
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things Matti Hamalainen <ccr@tnsp.org> parents: 1895 diff changeset	2791 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	2792 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	2793
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 // 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	2795 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	2796 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	2797
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 out:
1904 5930ff7879b5 Cleanup IFF writer a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1903 diff changeset	2799 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	2800 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	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
1613 70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	2804 //
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	2805 // List of formats
70b04c16aa40 Move format probe functions near to their other functions. Matti Hamalainen <ccr@tnsp.org> parents: 1609 diff changeset	2806 //
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2807 const DMImageFormat dmImageFormatList[] =
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2808 {
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2809 #ifdef DM_USE_LIBPNG
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2810 {
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2811 "png", "Portable Network Graphics",
2095 80786a28caf0 Mark image format flags with the color formats they support. Matti Hamalainen <ccr@tnsp.org> parents: 2094 diff changeset	2812 DM_IMGFMT_PNG, DM_FMT_RDWR \| DM_COLFMT_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	2813 fmtProbePNG, dmReadPNGImage, dmWritePNGImage,
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2814 },
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2815 #endif
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2816 {
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2817 "ppm", "Portable PixMap",
2095 80786a28caf0 Mark image format flags with the color formats they support. Matti Hamalainen <ccr@tnsp.org> parents: 2094 diff changeset	2818 DM_IMGFMT_PPM, DM_FMT_RDWR \| DM_COLFMT_GRAYSCALE \| DM_COLFMT_RGB,
2092 614b161c0aa5 Initial support for reading PPM/PGM. Matti Hamalainen <ccr@tnsp.org> parents: 2091 diff changeset	2819 fmtProbePPM, dmReadPPMImage, dmWritePPMImage,
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2820 },
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2821 {
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2822 "pcx", "Z-Soft Paintbrush",
2095 80786a28caf0 Mark image format flags with the color formats they support. Matti Hamalainen <ccr@tnsp.org> parents: 2094 diff changeset	2823 DM_IMGFMT_PCX, DM_FMT_RDWR \| DM_COLFMT_PALETTE \| DM_COLFMT_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	2824 fmtProbePCX, dmReadPCXImage, dmWritePCXImage,
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2825 },
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2826 {
2071 3dac7a781317 s/"lbm"/"ilbm"/ Matti Hamalainen <ccr@tnsp.org> parents: 2069 diff changeset	2827 "ilbm", "IFF ILBM (interleaved/old DP2)",
2095 80786a28caf0 Mark image format flags with the color formats they support. Matti Hamalainen <ccr@tnsp.org> parents: 2094 diff changeset	2828 DM_IMGFMT_IFF_ILBM, DM_FMT_RDWR \| DM_COLFMT_PALETTE,
2068 e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2829 fmtProbeIFF_ILBM, dmReadIFFImage, dmWriteIFFImage,
2064 3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2830 },
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2831 {
3617ef01c1de Separate ILBM and PBM subformats of IFF images. Matti Hamalainen <ccr@tnsp.org> parents: 2063 diff changeset	2832 "pbm", "IFF PBM (DP2e)",
2095 80786a28caf0 Mark image format flags with the color formats they support. Matti Hamalainen <ccr@tnsp.org> parents: 2094 diff changeset	2833 DM_IMGFMT_IFF_PBM, DM_FMT_RDWR \| DM_COLFMT_PALETTE,
2068 e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2834 fmtProbeIFF_PBM, dmReadIFFImage, dmWriteIFFImage,
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2835 },
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2836 {
e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2837 "acbm", "IFF ACBM (Amiga Basic)",
2095 80786a28caf0 Mark image format flags with the color formats they support. Matti Hamalainen <ccr@tnsp.org> parents: 2094 diff changeset	2838 DM_IMGFMT_IFF_ACBM, DM_FMT_RDWR \| DM_COLFMT_PALETTE,
2068 e4dc8fbaa5ad Improve IFF probing. Matti Hamalainen <ccr@tnsp.org> parents: 2067 diff changeset	2839 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	2840 },
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing, Matti Hamalainen <ccr@tnsp.org> parents: 442 diff changeset	2841 {
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2842 "raw", "Plain bitplaned (planar or non-planar) RAW",
2095 80786a28caf0 Mark image format flags with the color formats they support. Matti Hamalainen <ccr@tnsp.org> parents: 2094 diff changeset	2843 DM_IMGFMT_RAW, DM_FMT_WR \| DM_COLFMT_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	2844 NULL, NULL, dmWriteRAWImage,
566 d400e32b62d9 Add a slightly different raw output format. Matti Hamalainen <ccr@tnsp.org> parents: 487 diff changeset	2845 },
d400e32b62d9 Add a slightly different raw output format. Matti Hamalainen <ccr@tnsp.org> parents: 487 diff changeset	2846 {
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2847 "araw", "IFFMaster Amiga RAW",
2095 80786a28caf0 Mark image format flags with the color formats they support. Matti Hamalainen <ccr@tnsp.org> parents: 2094 diff changeset	2848 DM_IMGFMT_ARAW, DM_FMT_WR \| DM_COLFMT_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	2849 NULL, NULL, dmWriteRAWImage,
2047 3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	2850 },
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	2851 {
2057 02fa60b27af5 Correct description of 'cdump' format. Matti Hamalainen <ccr@tnsp.org> parents: 2055 diff changeset	2852 "cdump", "'C' dump (image data only)",
2095 80786a28caf0 Mark image format flags with the color formats they support. Matti Hamalainen <ccr@tnsp.org> parents: 2094 diff changeset	2853 DM_IMGFMT_CDUMP, DM_FMT_WR \| DM_COLFMT_ANY,
2047 3829c292df02 Add 'cdump' image output format, mainly for debugging purposes. Matti Hamalainen <ccr@tnsp.org> parents: 2026 diff changeset	2854 NULL, NULL, dmWriteCDumpImage,
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2855 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2856 };
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2857
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2858 const int ndmImageFormatList = sizeof(dmImageFormatList) / sizeof(dmImageFormatList[0]);
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2859
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2860
36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2861 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	2862 {
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2863 int scoreMax = DM_PROBE_SCORE_FALSE, scoreIndex = -1;
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2864
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2865 for (int i = 0; i < ndmImageFormatList; i++)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2866 {
1616 36d073c45327 Refactor the format handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 1615 diff changeset	2867 const DMImageFormat *fmt = &dmImageFormatList[i];
442 a67600e186d0 Fix probing to handle NULL probe functions. Matti Hamalainen <ccr@tnsp.org> parents: 440 diff changeset	2868 if (fmt->probe != NULL)
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2869 {
442 a67600e186d0 Fix probing to handle NULL probe functions. Matti Hamalainen <ccr@tnsp.org> parents: 440 diff changeset	2870 int score = fmt->probe(buf, len);
a67600e186d0 Fix probing to handle NULL probe functions. Matti Hamalainen <ccr@tnsp.org> parents: 440 diff changeset	2871 if (score > scoreMax)
a67600e186d0 Fix probing to handle NULL probe functions. Matti Hamalainen <ccr@tnsp.org> parents: 440 diff changeset	2872 {
a67600e186d0 Fix probing to handle NULL probe functions. Matti Hamalainen <ccr@tnsp.org> parents: 440 diff changeset	2873 scoreMax = score;
a67600e186d0 Fix probing to handle NULL probe functions. Matti Hamalainen <ccr@tnsp.org> parents: 440 diff changeset	2874 scoreIndex = i;
a67600e186d0 Fix probing to handle NULL probe functions. Matti Hamalainen <ccr@tnsp.org> parents: 440 diff changeset	2875 }
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2876 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2877 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2878
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2879 if (scoreIndex >= 0)
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2880 {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2881 *pfmt = &dmImageFormatList[scoreIndex];
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2882 *index = scoreIndex;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2883 return scoreMax;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2884 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2885 else
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2886 return DM_PROBE_SCORE_FALSE;
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2887 }

Mercurial > hg > dmlib

annotate tools/libgfx.c @ 2098:e38705223ce4