dmlib: tools/lib64gfx.h annotate

annotate tools/lib64gfx.h @ 2306:e798a41f27a5

Clean up some code duplication.

author	Matti Hamalainen <ccr@tnsp.org>
date	Mon, 08 Jul 2019 12:25:46 +0300
parents	ecc17b2e129e
children	0f8232c2af63

rev	line source
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1 /*
418 b6a1dc3bd2c3 Update file description. Matti Hamalainen <ccr@tnsp.org> parents: 410 diff changeset	2 * Functions for reading and converting various restricted
b6a1dc3bd2c3 Update file description. Matti Hamalainen <ccr@tnsp.org> parents: 410 diff changeset	3 * C64/etc and/or indexed/paletted graphics formats.
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	4 * Programmed and designed by Matti 'ccr' Hamalainen
2120 88d37ec1b4d6 Bump copyright years. Matti Hamalainen <ccr@tnsp.org> parents: 2119 diff changeset	5 * (C) Copyright 2012-2019 Tecnic Software productions (TNSP)
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	6 *
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	7 * Please read file 'COPYING' for information on license and distribution.
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	8 */
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	9 #ifndef LIB64GFX_H
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	10 #define LIB64GFX_H 1
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	11
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: 419 diff changeset	12 #include "libgfx.h"
1465 88845f95e791 Change dmC64EncodeGenericBMP() to use DMGrowBuf, and make the necessary changes in gfxconv as well. Matti Hamalainen <ccr@tnsp.org> parents: 1457 diff changeset	13 #include "dmgrowbuf.h"
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: 419 diff changeset	14
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: 419 diff changeset	15 #ifdef __cplusplus
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: 419 diff changeset	16 extern "C" {
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: 419 diff changeset	17 #endif
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: 419 diff changeset	18
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	19
2238 5db6e0b63b35 Change again how the interlace type information is stored. Now store it in Matti Hamalainen <ccr@tnsp.org> parents: 2224 diff changeset	20 // Max defines
5db6e0b63b35 Change again how the interlace type information is stored. Now store it in Matti Hamalainen <ccr@tnsp.org> parents: 2224 diff changeset	21 #define D64_MAX_EXTRA_DATA 16
5db6e0b63b35 Change again how the interlace type information is stored. Now store it in Matti Hamalainen <ccr@tnsp.org> parents: 2224 diff changeset	22 #define D64_MAX_EXTRA_INFO 64
5db6e0b63b35 Change again how the interlace type information is stored. Now store it in Matti Hamalainen <ccr@tnsp.org> parents: 2224 diff changeset	23
5db6e0b63b35 Change again how the interlace type information is stored. Now store it in Matti Hamalainen <ccr@tnsp.org> parents: 2224 diff changeset	24
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	25 // Bitmap constants
2125 56d4dc81774b Rename various C64_* constants to D64_. Matti Hamalainen <ccr@tnsp.org>* parents: 2121 diff changeset	26 #define D64_SCR_WIDTH 320
56d4dc81774b Rename various C64_* constants to D64_. Matti Hamalainen <ccr@tnsp.org>* parents: 2121 diff changeset	27 #define D64_SCR_HEIGHT 200
56d4dc81774b Rename various C64_* constants to D64_. Matti Hamalainen <ccr@tnsp.org>* parents: 2121 diff changeset	28 #define D64_SCR_CH_WIDTH (D64_SCR_WIDTH/8)
56d4dc81774b Rename various C64_* constants to D64_. Matti Hamalainen <ccr@tnsp.org>* parents: 2121 diff changeset	29 #define D64_SCR_CH_HEIGHT (D64_SCR_HEIGHT/8)
2238 5db6e0b63b35 Change again how the interlace type information is stored. Now store it in Matti Hamalainen <ccr@tnsp.org> parents: 2224 diff changeset	30
2266 ecc17b2e129e Add constants for "full" C64 screen dimensions, including the border Matti Hamalainen <ccr@tnsp.org> parents: 2265 diff changeset	31 #define D64_SCR_FULL_WIDTH 384
ecc17b2e129e Add constants for "full" C64 screen dimensions, including the border Matti Hamalainen <ccr@tnsp.org> parents: 2265 diff changeset	32 #define D64_SCR_FULL_HEIGHT 272
ecc17b2e129e Add constants for "full" C64 screen dimensions, including the border Matti Hamalainen <ccr@tnsp.org> parents: 2265 diff changeset	33 #define D64_SCR_VIS_XOFFS 24
ecc17b2e129e Add constants for "full" C64 screen dimensions, including the border Matti Hamalainen <ccr@tnsp.org> parents: 2265 diff changeset	34 #define D64_SCR_VIS_YOFFS 50
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	35
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	36 // C64 video screen pixel aspect ratio on PAL
2125 56d4dc81774b Rename various C64_* constants to D64_. Matti Hamalainen <ccr@tnsp.org>* parents: 2121 diff changeset	37 #define D64_SCR_PAR_XY (0.9365f)
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	38
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	39 // Sprite constants
2125 56d4dc81774b Rename various C64_* constants to D64_. Matti Hamalainen <ccr@tnsp.org>* parents: 2121 diff changeset	40 #define D64_SPR_WIDTH_PX 24
56d4dc81774b Rename various C64_* constants to D64_. Matti Hamalainen <ccr@tnsp.org>* parents: 2121 diff changeset	41 #define D64_SPR_HEIGHT_PX 21
56d4dc81774b Rename various C64_* constants to D64_. Matti Hamalainen <ccr@tnsp.org>* parents: 2121 diff changeset	42 #define D64_SPR_WIDTH_UT (D64_SPR_WIDTH_PX / 8) // bytes
56d4dc81774b Rename various C64_* constants to D64_. Matti Hamalainen <ccr@tnsp.org>* parents: 2121 diff changeset	43 #define D64_SPR_HEIGHT_UT D64_SPR_HEIGHT_PX
56d4dc81774b Rename various C64_* constants to D64_. Matti Hamalainen <ccr@tnsp.org>* parents: 2121 diff changeset	44 #define D64_SPR_SIZE ((D64_SPR_WIDTH_UT * D64_SPR_HEIGHT_UT) + 1)
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	45
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	46 // Character constants
2125 56d4dc81774b Rename various C64_* constants to D64_. Matti Hamalainen <ccr@tnsp.org>* parents: 2121 diff changeset	47 #define D64_CHR_WIDTH_PX 8
56d4dc81774b Rename various C64_* constants to D64_. Matti Hamalainen <ccr@tnsp.org>* parents: 2121 diff changeset	48 #define D64_CHR_HEIGHT_PX 8
56d4dc81774b Rename various C64_* constants to D64_. Matti Hamalainen <ccr@tnsp.org>* parents: 2121 diff changeset	49 #define D64_CHR_WIDTH_UT 1 // bytes
56d4dc81774b Rename various C64_* constants to D64_. Matti Hamalainen <ccr@tnsp.org>* parents: 2121 diff changeset	50 #define D64_CHR_HEIGHT_UT 8 // lines
56d4dc81774b Rename various C64_* constants to D64_. Matti Hamalainen <ccr@tnsp.org>* parents: 2121 diff changeset	51 #define D64_CHR_SIZE (D64_CHR_WIDTH_UT * D64_CHR_HEIGHT_UT)
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	52
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	53 // Etc.
2125 56d4dc81774b Rename various C64_* constants to D64_. Matti Hamalainen <ccr@tnsp.org>* parents: 2121 diff changeset	54 #define D64_NCOLORS 16
56d4dc81774b Rename various C64_* constants to D64_. Matti Hamalainen <ccr@tnsp.org>* parents: 2121 diff changeset	55 #define D64_VIDBANK_SIZE (16*1024)
56d4dc81774b Rename various C64_* constants to D64_. Matti Hamalainen <ccr@tnsp.org>* parents: 2121 diff changeset	56 #define D64_MAX_SPRITES 1024
56d4dc81774b Rename various C64_* constants to D64_. Matti Hamalainen <ccr@tnsp.org>* parents: 2121 diff changeset	57 #define D64_MAX_CHARS 256
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	58
922 658bf4c452d0 Comments, cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 921 diff changeset	59
1637 58ef0124394d Add some comments. Matti Hamalainen <ccr@tnsp.org> parents: 1592 diff changeset	60 // Different supported flags/modes
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	61 enum
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	62 {
2118 05a6e00b09d0 Change D64_FMT_* MASK constants and how they are used. Matti Hamalainen <ccr@tnsp.org> parents: 2116 diff changeset	63 D64_FMT_HIRES = 0x0001, // Hi-res
05a6e00b09d0 Change D64_FMT_* MASK constants and how they are used. Matti Hamalainen <ccr@tnsp.org> parents: 2116 diff changeset	64 D64_FMT_MC = 0x0002, // MultiColor
05a6e00b09d0 Change D64_FMT_* MASK constants and how they are used. Matti Hamalainen <ccr@tnsp.org> parents: 2116 diff changeset	65 D64_FMT_ECM = 0x0003, // ECM mode (applies only to character mode)
2180 33cf1b330b7b s/D64_FMT_MASK/D64_FMT_MODE_MASK/g Matti Hamalainen <ccr@tnsp.org> parents: 2179 diff changeset	66 D64_FMT_MODE_MASK = 0x000f,
2116 b49d7cb20a73 Implement initial ECM support in charmap decoding. Matti Hamalainen <ccr@tnsp.org> parents: 2114 diff changeset	67
b49d7cb20a73 Implement initial ECM support in charmap decoding. Matti Hamalainen <ccr@tnsp.org> parents: 2114 diff changeset	68 D64_FMT_ILACE = 0x0010, // Interlace
b49d7cb20a73 Implement initial ECM support in charmap decoding. Matti Hamalainen <ccr@tnsp.org> parents: 2114 diff changeset	69 D64_FMT_FLI = 0x0020, // FLI
b49d7cb20a73 Implement initial ECM support in charmap decoding. Matti Hamalainen <ccr@tnsp.org> parents: 2114 diff changeset	70 D64_FMT_CHAR = 0x0040, // Character mode
b49d7cb20a73 Implement initial ECM support in charmap decoding. Matti Hamalainen <ccr@tnsp.org> parents: 2114 diff changeset	71 D64_FMT_BORDER = 0x0080, // Uses border area
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	72 };
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	73
1637 58ef0124394d Add some comments. Matti Hamalainen <ccr@tnsp.org> parents: 1592 diff changeset	74
58ef0124394d Add some comments. Matti Hamalainen <ccr@tnsp.org> parents: 1592 diff changeset	75 // Different types of interlace
530 5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image Matti Hamalainen <ccr@tnsp.org> parents: 516 diff changeset	76 enum
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image Matti Hamalainen <ccr@tnsp.org> parents: 516 diff changeset	77 {
1647 948d6fda722d Add sanity check for interlaced formats: check that the interlace type flags are set. Matti Hamalainen <ccr@tnsp.org> parents: 1645 diff changeset	78 D64_ILACE_NONE = 0x0000, // Not set (invalid for interlaced images)
1637 58ef0124394d Add some comments. Matti Hamalainen <ccr@tnsp.org> parents: 1592 diff changeset	79 D64_ILACE_RES = 0x0001, // Interlace doubles resolution
58ef0124394d Add some comments. Matti Hamalainen <ccr@tnsp.org> parents: 1592 diff changeset	80 D64_ILACE_COLOR = 0x0002, // Uses color mixing
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	81 };
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	82
936 5104a7c87d7b Remove some unused structures, etc. Matti Hamalainen <ccr@tnsp.org> parents: 931 diff changeset	83
2238 5db6e0b63b35 Change again how the interlace type information is stored. Now store it in Matti Hamalainen <ccr@tnsp.org> parents: 2224 diff changeset	84 // Different types of interlace
5db6e0b63b35 Change again how the interlace type information is stored. Now store it in Matti Hamalainen <ccr@tnsp.org> parents: 2224 diff changeset	85 enum
5db6e0b63b35 Change again how the interlace type information is stored. Now store it in Matti Hamalainen <ccr@tnsp.org> parents: 2224 diff changeset	86 {
5db6e0b63b35 Change again how the interlace type information is stored. Now store it in Matti Hamalainen <ccr@tnsp.org> parents: 2224 diff changeset	87 D64_FLI_8 = 8,
5db6e0b63b35 Change again how the interlace type information is stored. Now store it in Matti Hamalainen <ccr@tnsp.org> parents: 2224 diff changeset	88 };
5db6e0b63b35 Change again how the interlace type information is stored. Now store it in Matti Hamalainen <ccr@tnsp.org> parents: 2224 diff changeset	89
5db6e0b63b35 Change again how the interlace type information is stored. Now store it in Matti Hamalainen <ccr@tnsp.org> parents: 2224 diff changeset	90
936 5104a7c87d7b Remove some unused structures, etc. Matti Hamalainen <ccr@tnsp.org> parents: 931 diff changeset	91 // Charmode screen memory configuration
917 df3a74f230d9 Initial implementation of charmode support in lib64gfx. Matti Hamalainen <ccr@tnsp.org> parents: 916 diff changeset	92 enum
df3a74f230d9 Initial implementation of charmode support in lib64gfx. Matti Hamalainen <ccr@tnsp.org> parents: 916 diff changeset	93 {
936 5104a7c87d7b Remove some unused structures, etc. Matti Hamalainen <ccr@tnsp.org> parents: 931 diff changeset	94 D64_CHCFG_SCREEN, // Use screen memory
5104a7c87d7b Remove some unused structures, etc. Matti Hamalainen <ccr@tnsp.org> parents: 931 diff changeset	95 D64_CHCFG_LINEAR = 1, // Generate linear pattern so that first line
5104a7c87d7b Remove some unused structures, etc. Matti Hamalainen <ccr@tnsp.org> parents: 931 diff changeset	96 // of chars is 0-39, second 40-79, up to 255.
917 df3a74f230d9 Initial implementation of charmode support in lib64gfx. Matti Hamalainen <ccr@tnsp.org> parents: 916 diff changeset	97 };
df3a74f230d9 Initial implementation of charmode support in lib64gfx. Matti Hamalainen <ccr@tnsp.org> parents: 916 diff changeset	98
df3a74f230d9 Initial implementation of charmode support in lib64gfx. Matti Hamalainen <ccr@tnsp.org> parents: 916 diff changeset	99
2139 84780a9d8d17 Improve and fix charmap format decoding. Matti Hamalainen <ccr@tnsp.org> parents: 2132 diff changeset	100 // Various extra settings (see DMC64Image::extraInfo[])
84780a9d8d17 Improve and fix charmap format decoding. Matti Hamalainen <ccr@tnsp.org> parents: 2132 diff changeset	101 enum
84780a9d8d17 Improve and fix charmap format decoding. Matti Hamalainen <ccr@tnsp.org> parents: 2132 diff changeset	102 {
2265 48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for Matti Hamalainen <ccr@tnsp.org> parents: 2239 diff changeset	103 D64_EI_MODE = 0, // Actual mode, if the format supports several
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for Matti Hamalainen <ccr@tnsp.org> parents: 2239 diff changeset	104
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for Matti Hamalainen <ccr@tnsp.org> parents: 2239 diff changeset	105 D64_EI_CHAR_CASE,
2139 84780a9d8d17 Improve and fix charmap format decoding. Matti Hamalainen <ccr@tnsp.org> parents: 2132 diff changeset	106 D64_EI_CHAR_CUSTOM,
2238 5db6e0b63b35 Change again how the interlace type information is stored. Now store it in Matti Hamalainen <ccr@tnsp.org> parents: 2224 diff changeset	107
5db6e0b63b35 Change again how the interlace type information is stored. Now store it in Matti Hamalainen <ccr@tnsp.org> parents: 2224 diff changeset	108 D64_EI_FLI_TYPE,
5db6e0b63b35 Change again how the interlace type information is stored. Now store it in Matti Hamalainen <ccr@tnsp.org> parents: 2224 diff changeset	109 D64_EI_ILACE_TYPE,
2139 84780a9d8d17 Improve and fix charmap format decoding. Matti Hamalainen <ccr@tnsp.org> parents: 2132 diff changeset	110 };
84780a9d8d17 Improve and fix charmap format decoding. Matti Hamalainen <ccr@tnsp.org> parents: 2132 diff changeset	111
84780a9d8d17 Improve and fix charmap format decoding. Matti Hamalainen <ccr@tnsp.org> parents: 2132 diff changeset	112
1931 410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work Matti Hamalainen <ccr@tnsp.org> parents: 1923 diff changeset	113 // Image <-> bitmap conversion dithering
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work Matti Hamalainen <ccr@tnsp.org> parents: 1923 diff changeset	114 enum
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work Matti Hamalainen <ccr@tnsp.org> parents: 1923 diff changeset	115 {
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work Matti Hamalainen <ccr@tnsp.org> parents: 1923 diff changeset	116 D64_DITH_NONE = 0, // No dithering
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work Matti Hamalainen <ccr@tnsp.org> parents: 1923 diff changeset	117 };
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work Matti Hamalainen <ccr@tnsp.org> parents: 1923 diff changeset	118
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work Matti Hamalainen <ccr@tnsp.org> parents: 1923 diff changeset	119
1668 1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	120 // Different enc/dec operation types (op->type)
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	121 enum
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	122 {
1668 1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	123 DO_COPY, // Perform copy between memory (from/to offset) and subject
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	124 DO_SET_MEM, // Set subject value or fill subject memory area to byte value from offset
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	125 DO_SET_OP, // Like above but value from op->offs field instead
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	126
1726 f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet. Matti Hamalainen <ccr@tnsp.org> parents: 1722 diff changeset	127 DO_SET_MEM_HI, // Copy one byte value like DO_SET_MEM, but high nibble only
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet. Matti Hamalainen <ccr@tnsp.org> parents: 1722 diff changeset	128 DO_SET_MEM_LO, // Like above, but low nibble
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet. Matti Hamalainen <ccr@tnsp.org> parents: 1722 diff changeset	129
1922 3c6f638ce402 Remove the useless distinction of DO_ENC_FUNC and DO_DEC_FUNC, as the Matti Hamalainen <ccr@tnsp.org> parents: 1916 diff changeset	130 DO_FUNC, // Execute specified decoding / encoding function
1668 1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	131
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	132 DO_CHAR_CFG, // Set character mode configuration
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	133
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	134 DO_LAST, // Last opcode, end processing
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	135 };
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	136
512 95a6b6af53f1 Add some structures and enums for future. Matti Hamalainen <ccr@tnsp.org> parents: 511 diff changeset	137
1668 1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	138 // "Subjects" of operations (op->subject)
917 df3a74f230d9 Initial implementation of charmode support in lib64gfx. Matti Hamalainen <ccr@tnsp.org> parents: 916 diff changeset	139 enum
df3a74f230d9 Initial implementation of charmode support in lib64gfx. Matti Hamalainen <ccr@tnsp.org> parents: 916 diff changeset	140 {
1668 1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	141 DS_COLOR_RAM,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	142 DS_BITMAP_RAM,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	143 DS_SCREEN_RAM,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	144 DS_EXTRA_DATA,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	145 DS_CHAR_DATA,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	146
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	147 DS_D020,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	148 DS_BGCOL,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	149 DS_D021,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	150 DS_D022,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	151 DS_D023,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	152 DS_D024,
1852 219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and Matti Hamalainen <ccr@tnsp.org> parents: 1846 diff changeset	153
2238 5db6e0b63b35 Change again how the interlace type information is stored. Now store it in Matti Hamalainen <ccr@tnsp.org> parents: 2224 diff changeset	154 DS_EXTRA_INFO,
2224 a36c81c3df85 Make color interlace type generate a mixed palette instead of using special Matti Hamalainen <ccr@tnsp.org> parents: 2223 diff changeset	155
1852 219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and Matti Hamalainen <ccr@tnsp.org> parents: 1846 diff changeset	156 DS_LAST
917 df3a74f230d9 Initial implementation of charmode support in lib64gfx. Matti Hamalainen <ccr@tnsp.org> parents: 916 diff changeset	157 };
df3a74f230d9 Initial implementation of charmode support in lib64gfx. Matti Hamalainen <ccr@tnsp.org> parents: 916 diff changeset	158
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	159
2196 28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to Matti Hamalainen <ccr@tnsp.org> parents: 2180 diff changeset	160 // Operation flags (op->flags)
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to Matti Hamalainen <ccr@tnsp.org> parents: 2180 diff changeset	161 enum
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to Matti Hamalainen <ccr@tnsp.org> parents: 2180 diff changeset	162 {
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to Matti Hamalainen <ccr@tnsp.org> parents: 2180 diff changeset	163 DF_NORMAL = 0xffff,
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to Matti Hamalainen <ccr@tnsp.org> parents: 2180 diff changeset	164 DF_DECODE = 0x0001,
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to Matti Hamalainen <ccr@tnsp.org> parents: 2180 diff changeset	165 DF_ENCODE = 0x0002,
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to Matti Hamalainen <ccr@tnsp.org> parents: 2180 diff changeset	166 };
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to Matti Hamalainen <ccr@tnsp.org> parents: 2180 diff changeset	167
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to Matti Hamalainen <ccr@tnsp.org> parents: 2180 diff changeset	168
1588 ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	169 typedef struct
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	170 {
2201 9f3fb4004c20 Improvements to the lib64gfx palette handling. Matti Hamalainen <ccr@tnsp.org> parents: 2200 diff changeset	171 char *name;
2203 b259312ddb59 Add description field to DMC64Palette. Matti Hamalainen <ccr@tnsp.org> parents: 2201 diff changeset	172 char *desc;
2201 9f3fb4004c20 Improvements to the lib64gfx palette handling. Matti Hamalainen <ccr@tnsp.org> parents: 2200 diff changeset	173 DMColor colors[D64_NCOLORS];
9f3fb4004c20 Improvements to the lib64gfx palette handling. Matti Hamalainen <ccr@tnsp.org> parents: 2200 diff changeset	174 } DMC64Palette;
9f3fb4004c20 Improvements to the lib64gfx palette handling. Matti Hamalainen <ccr@tnsp.org> parents: 2200 diff changeset	175
9f3fb4004c20 Improvements to the lib64gfx palette handling. Matti Hamalainen <ccr@tnsp.org> parents: 2200 diff changeset	176
9f3fb4004c20 Improvements to the lib64gfx palette handling. Matti Hamalainen <ccr@tnsp.org> parents: 2200 diff changeset	177 typedef struct
9f3fb4004c20 Improvements to the lib64gfx palette handling. Matti Hamalainen <ccr@tnsp.org> parents: 2200 diff changeset	178 {
1931 410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work Matti Hamalainen <ccr@tnsp.org> parents: 1923 diff changeset	179 int dither; // Dither mode (D64_DITH_*)
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work Matti Hamalainen <ccr@tnsp.org> parents: 1923 diff changeset	180 BOOL aspect; // Correct pixel aspect ratio?
2201 9f3fb4004c20 Improvements to the lib64gfx palette handling. Matti Hamalainen <ccr@tnsp.org> parents: 2200 diff changeset	181
9f3fb4004c20 Improvements to the lib64gfx palette handling. Matti Hamalainen <ccr@tnsp.org> parents: 2200 diff changeset	182 DMPalette *pal; // Use this palette
9f3fb4004c20 Improvements to the lib64gfx palette handling. Matti Hamalainen <ccr@tnsp.org> parents: 2200 diff changeset	183 DMC64Palette *cpal; // If ^pal == NULL, use this C64 palette
1931 410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work Matti Hamalainen <ccr@tnsp.org> parents: 1923 diff changeset	184 } DMC64ImageConvSpec;
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work Matti Hamalainen <ccr@tnsp.org> parents: 1923 diff changeset	185
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work Matti Hamalainen <ccr@tnsp.org> parents: 1923 diff changeset	186
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work Matti Hamalainen <ccr@tnsp.org> parents: 1923 diff changeset	187 typedef struct
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work Matti Hamalainen <ccr@tnsp.org> parents: 1923 diff changeset	188 {
1588 ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	189 Uint8 *data;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	190 size_t size;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	191 } DMC64MemBlock;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	192
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	193
1668 1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	194 typedef struct
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	195 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	196 BOOL multicolor, xexpand, yexpand;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	197 int color, xc, yc;
2125 56d4dc81774b Rename various C64_* constants to D64_. Matti Hamalainen <ccr@tnsp.org>* parents: 2121 diff changeset	198 Uint8 data[D64_SPR_HEIGHT_UT][D64_SPR_WIDTH_UT];
1668 1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	199 } DMC64Sprite;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	200
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	201
1934 23a344b5e4f1 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1933 diff changeset	202 typedef struct _DMC64ImageCommonFormat DMC64ImageCommonFormat;
23a344b5e4f1 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1933 diff changeset	203 typedef struct _DMC64ImageFormat DMC64ImageFormat;
23a344b5e4f1 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1933 diff changeset	204
23a344b5e4f1 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1933 diff changeset	205
1374 9edb17aa4a0a Forward declare typedef struct _DMC64Image; Matti Hamalainen <ccr@tnsp.org> parents: 1373 diff changeset	206 typedef struct _DMC64Image
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	207 {
1947 8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image Matti Hamalainen <ccr@tnsp.org> parents: 1935 diff changeset	208 DMC64ImageCommonFormat *fmt;
2238 5db6e0b63b35 Change again how the interlace type information is stored. Now store it in Matti Hamalainen <ccr@tnsp.org> parents: 2224 diff changeset	209 int nblocks; // Number of internal blocks used
1482 df6dacb48970 Rename some struct members, and sanitize handling of DMC64Image allocation more. Matti Hamalainen <ccr@tnsp.org> parents: 1467 diff changeset	210
2179 8d53da5bf067 Rename DMC64Image::nbanks to nblocks, which reflects better what it does. Matti Hamalainen <ccr@tnsp.org> parents: 2176 diff changeset	211 // Bitmaps, color RAM, screen, etc. blocks * nblocks
1588 ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	212 // Not all of them may be allocated
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	213 DMC64MemBlock
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	214 *color,
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	215 *bitmap,
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	216 *screen,
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	217 *charData;
931 2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start Matti Hamalainen <ccr@tnsp.org> parents: 926 diff changeset	218
1588 ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	219 // Other standard colours
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	220 Uint8 d020, bgcolor, d022, d023, d024;
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	221
1588 ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	222 // Extra data areas used by some formats,
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	223 // for example raster colours might be stored
2125 56d4dc81774b Rename various C64_* constants to D64_. Matti Hamalainen <ccr@tnsp.org>* parents: 2121 diff changeset	224 DMC64MemBlock extraData[D64_MAX_EXTRA_DATA];
1376 67ae449cf9e1 More work on making various FLI etc. format decoding more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1375 diff changeset	225
2139 84780a9d8d17 Improve and fix charmap format decoding. Matti Hamalainen <ccr@tnsp.org> parents: 2132 diff changeset	226 // Extra information / settings used by some formats,
84780a9d8d17 Improve and fix charmap format decoding. Matti Hamalainen <ccr@tnsp.org> parents: 2132 diff changeset	227 // for example some PETSCII-type formats.
84780a9d8d17 Improve and fix charmap format decoding. Matti Hamalainen <ccr@tnsp.org> parents: 2132 diff changeset	228 // See D64_EI_* constants.
2239 adb0480f6ebd Change DMC64Image::extraInfo[] type from Uint8 to int. Matti Hamalainen <ccr@tnsp.org> parents: 2238 diff changeset	229 int extraInfo[D64_MAX_EXTRA_INFO];
2139 84780a9d8d17 Improve and fix charmap format decoding. Matti Hamalainen <ccr@tnsp.org> parents: 2132 diff changeset	230
2125 56d4dc81774b Rename various C64_* constants to D64_. Matti Hamalainen <ccr@tnsp.org>* parents: 2121 diff changeset	231 //DMC64Sprite sprites[D64_MAX_SPRITES];
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	232 } DMC64Image;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	233
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	234
510 43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps Matti Hamalainen <ccr@tnsp.org> parents: 507 diff changeset	235 typedef struct _DMC64EncDecOp
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	236 {
1668 1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	237 int type; // Operation type (DO_*)
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	238 int subject; // Operation "subject" (DS_*)
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	239
2238 5db6e0b63b35 Change again how the interlace type information is stored. Now store it in Matti Hamalainen <ccr@tnsp.org> parents: 2224 diff changeset	240 int offs; // Offset in "memory"
1846 88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to Matti Hamalainen <ccr@tnsp.org> parents: 1826 diff changeset	241 int bank; // Bank number or extradata index
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to Matti Hamalainen <ccr@tnsp.org> parents: 1826 diff changeset	242 size_t size; // Size of data (0 for "default")
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to Matti Hamalainen <ccr@tnsp.org> parents: 1826 diff changeset	243 size_t offs2; // Offset in data-block
1668 1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	244
2114 27cf33c3a646 Return actual error code from enc and dec functions instead of just BOOL. Matti Hamalainen <ccr@tnsp.org> parents: 2113 diff changeset	245 int (decFunction)(const struct _DMC64EncDecOp op, DMC64Image img, const DMGrowBuf buf, const DMC64ImageCommonFormat *fmt);
27cf33c3a646 Return actual error code from enc and dec functions instead of just BOOL. Matti Hamalainen <ccr@tnsp.org> parents: 2113 diff changeset	246 int (encFunction)(const struct _DMC64EncDecOp op, DMGrowBuf buf, const DMC64Image img, const DMC64ImageCommonFormat *fmt);
2196 28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to Matti Hamalainen <ccr@tnsp.org> parents: 2180 diff changeset	247
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to Matti Hamalainen <ccr@tnsp.org> parents: 2180 diff changeset	248 int flags; // Operation flags (DF_*)
510 43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps Matti Hamalainen <ccr@tnsp.org> parents: 507 diff changeset	249 } DMC64EncDecOp;
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	250
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	251
2176 8e6713705786 Reduce number of max enc/dec ops from 64 to 32, this reduces produced binary sizes by 100kB :P Matti Hamalainen <ccr@tnsp.org> parents: 2175 diff changeset	252 #define D64_MAX_ENCDEC_OPS 32
1592 91d1bb571fca Implement common encdec ops lists for sharing oplists between formats that Matti Hamalainen <ccr@tnsp.org> parents: 1591 diff changeset	253 typedef DMC64EncDecOp DMC64EncDecOpList[D64_MAX_ENCDEC_OPS];
91d1bb571fca Implement common encdec ops lists for sharing oplists between formats that Matti Hamalainen <ccr@tnsp.org> parents: 1591 diff changeset	254
91d1bb571fca Implement common encdec ops lists for sharing oplists between formats that Matti Hamalainen <ccr@tnsp.org> parents: 1591 diff changeset	255
2129 2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	256 typedef int (DMC64GetPixelFunc)(Uint8 col, const DMC64Image *img, const int rasterX, const int rasterY);
1934 23a344b5e4f1 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1933 diff changeset	257
23a344b5e4f1 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1933 diff changeset	258
23a344b5e4f1 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1933 diff changeset	259 typedef struct _DMC64ImageCommonFormat
1775 4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again. Matti Hamalainen <ccr@tnsp.org> parents: 1774 diff changeset	260 {
2265 48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for Matti Hamalainen <ccr@tnsp.org> parents: 2239 diff changeset	261 int mode, // Format mode/type flags, see D64_FMT_*
1935 489dde33f6b6 Cosmetics, add comments. Matti Hamalainen <ccr@tnsp.org> parents: 1934 diff changeset	262 width, height, // Width and height in pixels
2056 c27ed6465022 Add pixel aspect ratio information for C64 formats. Not used yet. Matti Hamalainen <ccr@tnsp.org> parents: 1984 diff changeset	263 chWidth, chHeight, // Width and height in charblocks
c27ed6465022 Add pixel aspect ratio information for C64 formats. Not used yet. Matti Hamalainen <ccr@tnsp.org> parents: 1984 diff changeset	264 aspectX, aspectY; // Pixel aspectX/Y
1775 4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again. Matti Hamalainen <ccr@tnsp.org> parents: 1774 diff changeset	265
2223 5477e792def3 Remove useless DMC64ImageFormat parameter from some conversion functions. Matti Hamalainen <ccr@tnsp.org> parents: 2222 diff changeset	266 int (convertFrom)(DMImage , const DMC64Image , const DMC64ImageConvSpec spec);
1931 410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work Matti Hamalainen <ccr@tnsp.org> parents: 1923 diff changeset	267 int (convertTo)(DMC64Image , const DMImage , const DMC64ImageFormat fmt, const DMC64ImageConvSpec *spec);
1775 4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again. Matti Hamalainen <ccr@tnsp.org> parents: 1774 diff changeset	268
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again. Matti Hamalainen <ccr@tnsp.org> parents: 1774 diff changeset	269 DMC64GetPixelFunc getPixel;
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again. Matti Hamalainen <ccr@tnsp.org> parents: 1774 diff changeset	270
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again. Matti Hamalainen <ccr@tnsp.org> parents: 1774 diff changeset	271 DMC64EncDecOpList encdecOps;
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again. Matti Hamalainen <ccr@tnsp.org> parents: 1774 diff changeset	272 } DMC64ImageCommonFormat;
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again. Matti Hamalainen <ccr@tnsp.org> parents: 1774 diff changeset	273
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again. Matti Hamalainen <ccr@tnsp.org> parents: 1774 diff changeset	274
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	275 typedef struct _DMC64ImageFormat
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	276 {
922 658bf4c452d0 Comments, cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 921 diff changeset	277 char *fext; // Filename extension
658bf4c452d0 Comments, cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 921 diff changeset	278 char *name; // Format description/name
658bf4c452d0 Comments, cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 921 diff changeset	279
511 4cdcaeb68b54 Collapse most of the probing functions into one generic probe, as they only Matti Hamalainen <ccr@tnsp.org> parents: 510 diff changeset	280 size_t addr; // Loading address (0 if no loading address)
1495 acb607e2c350 Clarify a comment. Matti Hamalainen <ccr@tnsp.org> parents: 1494 diff changeset	281 size_t size; // Size, including loading address. Only used in probing and encoding.
924 732787cccca8 Add dimension (w/h) information fields to C64 image format struct. Matti Hamalainen <ccr@tnsp.org> parents: 923 diff changeset	282
2265 48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for Matti Hamalainen <ccr@tnsp.org> parents: 2239 diff changeset	283 int flags; // DM_FMT_* flags (read/write/broken/etc.), see libgfx.h
1545 3b613fcbf3ff Improve how format read/write capabilities are marked and shown. Matti Hamalainen <ccr@tnsp.org> parents: 1537 diff changeset	284
1780 5ea4713e9e0f Change c64 format probing API to use DMGrowBuf. Matti Hamalainen <ccr@tnsp.org> parents: 1775 diff changeset	285 int (probe)(const DMGrowBuf buf, const DMC64ImageFormat *fmt);
1442 3773281491c9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1426 diff changeset	286
1775 4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again. Matti Hamalainen <ccr@tnsp.org> parents: 1774 diff changeset	287 int (decode)(DMC64Image img, const DMGrowBuf buf, const DMC64ImageFormat fmt);
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again. Matti Hamalainen <ccr@tnsp.org> parents: 1774 diff changeset	288 int (encode)(DMGrowBuf buf, const DMC64Image img, const DMC64ImageFormat fmt);
1442 3773281491c9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1426 diff changeset	289
1775 4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again. Matti Hamalainen <ccr@tnsp.org> parents: 1774 diff changeset	290 DMC64ImageCommonFormat formatDef, *format;
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	291 } DMC64ImageFormat;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	292
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	293
1637 58ef0124394d Add some comments. Matti Hamalainen <ccr@tnsp.org> parents: 1592 diff changeset	294 //
2148 487157934904 Clarifications in comments. Matti Hamalainen <ccr@tnsp.org> parents: 2139 diff changeset	295 // Compression types
1637 58ef0124394d Add some comments. Matti Hamalainen <ccr@tnsp.org> parents: 1592 diff changeset	296 //
1650 9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable. Matti Hamalainen <ccr@tnsp.org> parents: 1647 diff changeset	297 enum
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable. Matti Hamalainen <ccr@tnsp.org> parents: 1647 diff changeset	298 {
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable. Matti Hamalainen <ccr@tnsp.org> parents: 1647 diff changeset	299 DM_COMP_RLE_MARKER = 1, // RLE with a separate marker byte
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable. Matti Hamalainen <ccr@tnsp.org> parents: 1647 diff changeset	300 DM_COMP_RLE_MASK = 2, // RLE that has marker bits and lower part acts as run length
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable. Matti Hamalainen <ccr@tnsp.org> parents: 1647 diff changeset	301 };
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable. Matti Hamalainen <ccr@tnsp.org> parents: 1647 diff changeset	302
2148 487157934904 Clarifications in comments. Matti Hamalainen <ccr@tnsp.org> parents: 2139 diff changeset	303
487157934904 Clarifications in comments. Matti Hamalainen <ccr@tnsp.org> parents: 2139 diff changeset	304 // Compression flags
1650 9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable. Matti Hamalainen <ccr@tnsp.org> parents: 1647 diff changeset	305 enum
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable. Matti Hamalainen <ccr@tnsp.org> parents: 1647 diff changeset	306 {
1660 7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	307 DM_RLE_BYTE_RUNS = 0x0001, // Uses one-byte run lengths
7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	308 DM_RLE_WORD_RUNS = 0x0002, // Uses two-byte (word) run lengths
2148 487157934904 Clarifications in comments. Matti Hamalainen <ccr@tnsp.org> parents: 2139 diff changeset	309 DM_RLE_RUNS_MASK = 0x000f,
1650 9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable. Matti Hamalainen <ccr@tnsp.org> parents: 1647 diff changeset	310
2148 487157934904 Clarifications in comments. Matti Hamalainen <ccr@tnsp.org> parents: 2139 diff changeset	311 DM_RLE_ORDER_1 = 0x0010, // Order: <marker>, <count/run length>, <data>
487157934904 Clarifications in comments. Matti Hamalainen <ccr@tnsp.org> parents: 2139 diff changeset	312 DM_RLE_ORDER_2 = 0x0020, // Order: <marker>, <data>, <count/run length>
1650 9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable. Matti Hamalainen <ccr@tnsp.org> parents: 1647 diff changeset	313 DM_RLE_ORDER_MASK = 0x00f0,
1707 a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement Matti Hamalainen <ccr@tnsp.org> parents: 1668 diff changeset	314
1786 52e90130453b Add descriptive comments to some of RLE decoder flags that were missing "documentation". Matti Hamalainen <ccr@tnsp.org> parents: 1783 diff changeset	315 DM_RLE_BACKWARDS_INPUT = 0x0100, // Input is read backwards
52e90130453b Add descriptive comments to some of RLE decoder flags that were missing "documentation". Matti Hamalainen <ccr@tnsp.org> parents: 1783 diff changeset	316 DM_RLE_BACKWARDS_OUTPUT = 0x0200, // Output is written backwards
52e90130453b Add descriptive comments to some of RLE decoder flags that were missing "documentation". Matti Hamalainen <ccr@tnsp.org> parents: 1783 diff changeset	317 DM_RLE_ZERO_COUNT_MAX = 0x0400, // Zero "count" / run length value is max run (2^8, 2^16)
1720 77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf. Matti Hamalainen <ccr@tnsp.org> parents: 1719 diff changeset	318
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf. Matti Hamalainen <ccr@tnsp.org> parents: 1719 diff changeset	319 DM_OUT_CROP_NONE = 0x0000,
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf. Matti Hamalainen <ccr@tnsp.org> parents: 1719 diff changeset	320 DM_OUT_CROP_START = 0x1000,
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf. Matti Hamalainen <ccr@tnsp.org> parents: 1719 diff changeset	321 DM_OUT_CROP_END = 0x2000,
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf. Matti Hamalainen <ccr@tnsp.org> parents: 1719 diff changeset	322 DM_OUT_CROP_MASK = 0xf000,
1650 9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable. Matti Hamalainen <ccr@tnsp.org> parents: 1647 diff changeset	323 };
1505 3265175b24d2 Change the passing of RLE compression/decompression parameters to be in a dedicated struct. Matti Hamalainen <ccr@tnsp.org> parents: 1503 diff changeset	324
3265175b24d2 Change the passing of RLE compression/decompression parameters to be in a dedicated struct. Matti Hamalainen <ccr@tnsp.org> parents: 1503 diff changeset	325
3265175b24d2 Change the passing of RLE compression/decompression parameters to be in a dedicated struct. Matti Hamalainen <ccr@tnsp.org> parents: 1503 diff changeset	326 typedef struct
3265175b24d2 Change the passing of RLE compression/decompression parameters to be in a dedicated struct. Matti Hamalainen <ccr@tnsp.org> parents: 1503 diff changeset	327 {
1711 4fd94bf558b3 Add function name field to DMCompParams struct and set it in places where we use DMCompParams. Matti Hamalainen <ccr@tnsp.org> parents: 1709 diff changeset	328 char *func;
1720 77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf. Matti Hamalainen <ccr@tnsp.org> parents: 1719 diff changeset	329 size_t cropOutLen;
2148 487157934904 Clarifications in comments. Matti Hamalainen <ccr@tnsp.org> parents: 2139 diff changeset	330 int type; // DM_COMP_*
487157934904 Clarifications in comments. Matti Hamalainen <ccr@tnsp.org> parents: 2139 diff changeset	331 int flags; //
1720 77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf. Matti Hamalainen <ccr@tnsp.org> parents: 1719 diff changeset	332
1650 9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable. Matti Hamalainen <ccr@tnsp.org> parents: 1647 diff changeset	333 Uint8
1660 7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	334 // DM_COMP_RLE_MARKER mode
7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	335 rleMarkerB, // Marker byte for byte length runs (if DM_RLE_BYTE_RUNS used)
7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	336 rleMarkerW, // Marker byte for word length runs (if DM_RLE_WORD_RUNS used)
7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	337
7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	338 // DM_COMP_RLE_MASK mode
7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	339 rleMarkerBits,
7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	340 rleMarkerMask, // Mask bits for marker: data & rleMarkerMask == rleMarkerBits
7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	341 rleCountMask; // Mask bits for length: count = data & rleCountMask
7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	342
1707 a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement Matti Hamalainen <ccr@tnsp.org> parents: 1668 diff changeset	343 unsigned int
1660 7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	344 // Minimum and maximum run lengths
7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	345 rleMinCountB,
7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	346 rleMinCountW,
7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	347 rleMaxCountB,
7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	348 rleMaxCountW;
1505 3265175b24d2 Change the passing of RLE compression/decompression parameters to be in a dedicated struct. Matti Hamalainen <ccr@tnsp.org> parents: 1503 diff changeset	349 } DMCompParams;
3265175b24d2 Change the passing of RLE compression/decompression parameters to be in a dedicated struct. Matti Hamalainen <ccr@tnsp.org> parents: 1503 diff changeset	350
3265175b24d2 Change the passing of RLE compression/decompression parameters to be in a dedicated struct. Matti Hamalainen <ccr@tnsp.org> parents: 1503 diff changeset	351
1503 c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	352 //
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	353 // Global variables
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	354 //
2175 58fab91830d5 Change default C64 palette system a bit, add two more palettes. These are Matti Hamalainen <ccr@tnsp.org> parents: 2148 diff changeset	355 extern DMC64Palette dmC64DefaultPalettes[];
58fab91830d5 Change default C64 palette system a bit, add two more palettes. These are Matti Hamalainen <ccr@tnsp.org> parents: 2148 diff changeset	356 extern const int ndmC64DefaultPalettes;
1775 4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again. Matti Hamalainen <ccr@tnsp.org> parents: 1774 diff changeset	357 extern DMC64ImageFormat dmC64ImageFormats[];
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	358 extern const int ndmC64ImageFormats;
2200 dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose(). Matti Hamalainen <ccr@tnsp.org> parents: 2196 diff changeset	359 extern DMC64ImageFormat **dmC64ImageFormatsSorted;
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose(). Matti Hamalainen <ccr@tnsp.org> parents: 2196 diff changeset	360
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose(). Matti Hamalainen <ccr@tnsp.org> parents: 2196 diff changeset	361
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose(). Matti Hamalainen <ccr@tnsp.org> parents: 2196 diff changeset	362 //
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose(). Matti Hamalainen <ccr@tnsp.org> parents: 2196 diff changeset	363 // Library init/close
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose(). Matti Hamalainen <ccr@tnsp.org> parents: 2196 diff changeset	364 //
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose(). Matti Hamalainen <ccr@tnsp.org> parents: 2196 diff changeset	365 int dmLib64GFXInit(void);
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose(). Matti Hamalainen <ccr@tnsp.org> parents: 2196 diff changeset	366 void dmLib64GFXClose(void);
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	367
1488 c71b6c5204af Factor the C64 bitmap image format info dump function to lib64gfx and use it from 64vw. Matti Hamalainen <ccr@tnsp.org> parents: 1486 diff changeset	368
1503 c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	369 //
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	370 // Miscellaneous functions
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	371 //
1780 5ea4713e9e0f Change c64 format probing API to use DMGrowBuf. Matti Hamalainen <ccr@tnsp.org> parents: 1775 diff changeset	372 int dmC64ProbeBMP(const DMGrowBuf buf, const DMC64ImageFormat *fmt);
1774 88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source. Matti Hamalainen <ccr@tnsp.org> parents: 1764 diff changeset	373
2208 90ec1ec89c56 Revamp the palette handling in lib64gfx somewhat, add helper functions to Matti Hamalainen <ccr@tnsp.org> parents: 2206 diff changeset	374 int dmC64PaletteFromC64Palette(DMPalette *ppal, const DMC64Palette cpal, const BOOL mixed);
90ec1ec89c56 Revamp the palette handling in lib64gfx somewhat, add helper functions to Matti Hamalainen <ccr@tnsp.org> parents: 2206 diff changeset	375 int dmC64SetImagePalette(DMImage img, const DMC64ImageConvSpec spec, const BOOL mixed);
1732 07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color" Matti Hamalainen <ccr@tnsp.org> parents: 1726 diff changeset	376
1780 5ea4713e9e0f Change c64 format probing API to use DMGrowBuf. Matti Hamalainen <ccr@tnsp.org> parents: 1775 diff changeset	377 BOOL dmCompareAddr16(const DMGrowBuf *buf, const size_t offs, const Uint16 addr);
1588 ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	378
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	379 int dmC64MemBlockAlloc(DMC64MemBlock *blk, const size_t size);
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	380 int dmC64MemBlockCopy(DMC64MemBlock dst, const DMC64MemBlock src);
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	381 void dmC64MemBlockFree(DMC64MemBlock *blk);
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	382
2205 3a25e85f0203 Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 2204 diff changeset	383 // C64 bitmap image allocation/freeing
1378 c465860e44ed Make c64 image bank allocation dynamic. Matti Hamalainen <ccr@tnsp.org> parents: 1376 diff changeset	384 DMC64Image dmC64ImageAlloc(const DMC64ImageFormat fmt);
931 2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start Matti Hamalainen <ccr@tnsp.org> parents: 926 diff changeset	385 void dmC64ImageFree(DMC64Image *img);
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start Matti Hamalainen <ccr@tnsp.org> parents: 926 diff changeset	386
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start Matti Hamalainen <ccr@tnsp.org> parents: 926 diff changeset	387
1503 c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	388 // Encoding and decoding of formats and images
1644 9d9a0e852b3d Reorder some functions. Matti Hamalainen <ccr@tnsp.org> parents: 1637 diff changeset	389 int dmC64ConvertCSDataToImage(DMImage img, int xoffs, int yoffs, const Uint8 inBuf, int width, int height, BOOL multicolor, int *colors);
9d9a0e852b3d Reorder some functions. Matti Hamalainen <ccr@tnsp.org> parents: 1637 diff changeset	390
2205 3a25e85f0203 Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 2204 diff changeset	391 int dmC64ImageGetNumBlocks(const DMC64ImageFormat *fmt);
3a25e85f0203 Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 2204 diff changeset	392
1852 219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and Matti Hamalainen <ccr@tnsp.org> parents: 1846 diff changeset	393 const char *dmC64GetOpSubjectName(const int subject);
2108 5f8f170f8774 Change dmC64GetOpMemBlock() function API. Matti Hamalainen <ccr@tnsp.org> parents: 2094 diff changeset	394 const DMC64MemBlock * dmC64GetOpMemBlock(const DMC64Image *img, const int subject, const int bank);
1644 9d9a0e852b3d Reorder some functions. Matti Hamalainen <ccr@tnsp.org> parents: 1637 diff changeset	395 int dmC64SanityCheckEncDecOp(const int i, const DMC64EncDecOp op, const DMC64Image img);
2109 510ea816d1ff Add helper function dmC64MemBlockAllocSubj(). Matti Hamalainen <ccr@tnsp.org> parents: 2108 diff changeset	396 int dmC64MemBlockAllocSubj(DMC64Image *img, const int subject, const int bank);
1916 34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize(). Matti Hamalainen <ccr@tnsp.org> parents: 1859 diff changeset	397
1933 c5a46cb4cce5 Change DMC64ImageFormat parameter of dmC64GetSubjectSize() and Matti Hamalainen <ccr@tnsp.org> parents: 1932 diff changeset	398 size_t dmC64GetSubjectSize(const int subject, const DMC64ImageCommonFormat *fmt);
c5a46cb4cce5 Change DMC64ImageFormat parameter of dmC64GetSubjectSize() and Matti Hamalainen <ccr@tnsp.org> parents: 1932 diff changeset	399 size_t dmC64GetOpSubjectSize(const DMC64EncDecOp op, const DMC64ImageCommonFormat fmt);
1644 9d9a0e852b3d Reorder some functions. Matti Hamalainen <ccr@tnsp.org> parents: 1637 diff changeset	400
1442 3773281491c9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1426 diff changeset	401
1707 a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement Matti Hamalainen <ccr@tnsp.org> parents: 1668 diff changeset	402 int dmC64DecodeGenericBMP(DMC64Image img, const DMGrowBuf buf, const DMC64ImageFormat *fmt);
1499 32640e1934d5 Simplify some encoding bits. Matti Hamalainen <ccr@tnsp.org> parents: 1495 diff changeset	403 int dmC64EncodeGenericBMP(const BOOL allocate, DMGrowBuf buf, const DMC64Image img, const DMC64ImageFormat *fmt);
537 32d9e67da189 Rename generic probing function to match the style of other lib64gfx functions. Matti Hamalainen <ccr@tnsp.org> parents: 534 diff changeset	404
2223 5477e792def3 Remove useless DMC64ImageFormat parameter from some conversion functions. Matti Hamalainen <ccr@tnsp.org> parents: 2222 diff changeset	405 int dmC64ConvertBMP2Image(DMImage *pdst, const DMC64Image src, const DMC64ImageConvSpec *spec);
1931 410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work Matti Hamalainen <ccr@tnsp.org> parents: 1923 diff changeset	406 int dmC64ConvertImage2BMP(DMC64Image *pdst, const DMImage src, const DMC64ImageFormat fmt, const DMC64ImageConvSpec spec);
1446 948b32bd67ef Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 1442 diff changeset	407
1707 a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement Matti Hamalainen <ccr@tnsp.org> parents: 1668 diff changeset	408 int dmC64DecodeBMP(DMC64Image *img, const DMGrowBuf buf, const size_t probeOffs, const size_t loadOffs, const DMC64ImageFormat *fmt, const DMC64ImageFormat forced);
1467 32203356c652 Add some new functions that are mostly just stubs and not working tho. Matti Hamalainen <ccr@tnsp.org> parents: 1465 diff changeset	409 int dmC64EncodeBMP(DMGrowBuf buf, const DMC64Image img, const DMC64ImageFormat *fmt);
419 936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion, Matti Hamalainen <ccr@tnsp.org> parents: 418 diff changeset	410
2223 5477e792def3 Remove useless DMC64ImageFormat parameter from some conversion functions. Matti Hamalainen <ccr@tnsp.org> parents: 2222 diff changeset	411 int dmC64ConvertGenericBMP2Image(DMImage dst, const DMC64Image src, const DMC64ImageConvSpec *spec);
1931 410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work Matti Hamalainen <ccr@tnsp.org> parents: 1923 diff changeset	412 int dmC64ConvertGenericImage2BMP(DMC64Image dst, const DMImage src, const DMC64ImageFormat fmt, const DMC64ImageConvSpec spec);
1446 948b32bd67ef Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 1442 diff changeset	413
1707 a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement Matti Hamalainen <ccr@tnsp.org> parents: 1668 diff changeset	414 void dmGenericRLEAnalyze(const DMGrowBuf buf, DMCompParams cfg);
1503 c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	415
1713 0a9110b4d036 Add few RLE helper functions. Matti Hamalainen <ccr@tnsp.org> parents: 1711 diff changeset	416 void dmSetupRLEBuffers(DMGrowBuf dst, DMGrowBuf src, const DMCompParams *cfg);
0a9110b4d036 Add few RLE helper functions. Matti Hamalainen <ccr@tnsp.org> parents: 1711 diff changeset	417 void dmFinishRLEBuffers(DMGrowBuf dst, DMGrowBuf src, const DMCompParams *cfg);
1775 4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again. Matti Hamalainen <ccr@tnsp.org> parents: 1774 diff changeset	418
1713 0a9110b4d036 Add few RLE helper functions. Matti Hamalainen <ccr@tnsp.org> parents: 1711 diff changeset	419 int dmGenericRLEOutputRun(DMGrowBuf dst, const DMCompParams cfg, const Uint8 data, const unsigned int count);
1719 8f47bd264458 Make dmEncodeGenericRLESequence() a public function. Matti Hamalainen <ccr@tnsp.org> parents: 1713 diff changeset	420 int dmEncodeGenericRLESequence(DMGrowBuf dst, const Uint8 data, const unsigned int count, const DMCompParams cfg);
8f47bd264458 Make dmEncodeGenericRLESequence() a public function. Matti Hamalainen <ccr@tnsp.org> parents: 1713 diff changeset	421
1707 a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement Matti Hamalainen <ccr@tnsp.org> parents: 1668 diff changeset	422 int dmDecodeGenericRLE(DMGrowBuf dst, const DMGrowBuf src, const DMCompParams *cfg);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement Matti Hamalainen <ccr@tnsp.org> parents: 1668 diff changeset	423 int dmDecodeGenericRLEAlloc(DMGrowBuf dst, const DMGrowBuf src, const DMCompParams *cfg);
1503 c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	424
1707 a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement Matti Hamalainen <ccr@tnsp.org> parents: 1668 diff changeset	425 int dmEncodeGenericRLE(DMGrowBuf dst, const DMGrowBuf src, const DMCompParams *cfg);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement Matti Hamalainen <ccr@tnsp.org> parents: 1668 diff changeset	426 int dmEncodeGenericRLEAlloc(DMGrowBuf dst, const DMGrowBuf src, const DMCompParams *cfg);
1503 c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	427
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	428
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	429 //
2129 2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	430 // Macros for defining variables used in getpixel functions
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	431 //
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	432 #define DM_C64_GENERIC_SC_PIXEL_DEFS(ximg) \
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	433 const int \
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	434 x = rasterX / 8, \
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	435 y = rasterY / 8, \
2306 e798a41f27a5 Clean up some code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 2266 diff changeset	436 yb = rasterY & 7, \
2129 2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	437 yoffs = y * ximg->fmt->chWidth, \
2306 e798a41f27a5 Clean up some code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 2266 diff changeset	438 bmoffs = yoffs * 8 + yb + (x * 8), \
2129 2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	439 scroffs = yoffs + x, \
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	440 vshift = 7 - (rasterX & 7);
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	441
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	442
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	443 #define DM_C64_GENERIC_MC_PIXEL_DEFS(ximg) \
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	444 const int \
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	445 x = rasterX / 4, \
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	446 y = rasterY / 8, \
2306 e798a41f27a5 Clean up some code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 2266 diff changeset	447 yb = rasterY & 7, \
2129 2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	448 yoffs = y * (ximg)->fmt->chWidth, \
2306 e798a41f27a5 Clean up some code duplication. Matti Hamalainen <ccr@tnsp.org> parents: 2266 diff changeset	449 bmoffs = yoffs * 8 + yb + (x * 8), \
2129 2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	450 scroffs = yoffs + x, \
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	451 vshift = 6 - ((rasterX * 2) & 6);
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	452
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	453
2132 6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	454 #define DM_C64_GENERIC_CHAR_PIXEL(ximg) \
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	455 const int \
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	456 x = rasterX / 8, \
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	457 y = rasterY / 8, \
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	458 scroffs = y * (ximg)->fmt->chWidth + x; \
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	459
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	460
2129 2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	461 //
1503 c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	462 // Inline helper functions for pixel format decoding
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	463 //
2129 2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	464 static inline int dmC64GetGenericSCPixel(Uint8 *col,
1503 c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	465 const DMC64Image *img, const int bmoffs, const int scroffs,
2129 2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	466 const int vshift, const int vbank, const int bitmap)
1503 c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	467 {
2129 2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	468 if ((img->bitmap[bitmap].data[bmoffs] >> vshift) & 1)
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	469 *col = img->screen[vbank].data[scroffs] >> 4;
1503 c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	470 else
2129 2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	471 *col = img->screen[vbank].data[scroffs] & 15;
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	472
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	473 return DMERR_OK;
1503 c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	474 }
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	475
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	476
2129 2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	477 static inline int dmC64GetGenericMCPixel(Uint8 *col,
1503 c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	478 const DMC64Image *img, const int bmoffs, const int scroffs,
2129 2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	479 const int vshift, const int vbank, const int bitmap,
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	480 const int cbank, const int bgcolor)
1503 c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	481 {
2129 2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	482 switch ((img->bitmap[bitmap].data[bmoffs] >> vshift) & 3)
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	483 {
2222 75b5bb490f38 Add & 15 to deeper helper functions and remove it from unnecessary places. Matti Hamalainen <ccr@tnsp.org> parents: 2208 diff changeset	484 case 0: *col = bgcolor & 15; break;
2129 2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	485 case 1: *col = img->screen[vbank].data[scroffs] >> 4; break;
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	486 case 2: *col = img->screen[vbank].data[scroffs] & 15; break;
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	487 default: *col = img->color[cbank].data[scroffs] & 15; break;
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	488 }
1503 c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	489
2129 2129d4ac6f45 Refactor c64 image rendering completely to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 2125 diff changeset	490 return DMERR_OK;
1503 c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	491 }
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	492
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: 419 diff changeset	493
2132 6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	494 static inline int dmC64GetGenericCharSCPixel(Uint8 *col,
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	495 const DMC64Image *img, const int scroffs, const int rasterX,
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	496 const int chrbank, const size_t chroffs, const int chr,
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	497 const int cbank, const int bgcolor)
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	498 {
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	499 if (chroffs >= img->charData[chrbank].size)
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	500 {
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	501 return dmError(DMERR_INVALID_DATA,
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	502 "Character map index #%d out of bounds for char ROM data.\n",
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	503 chr);
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	504 }
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	505
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	506 const int vshift = 7 - (rasterX & 7);
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	507 if ((img->charData[chrbank].data[chroffs] >> vshift) & 1)
2222 75b5bb490f38 Add & 15 to deeper helper functions and remove it from unnecessary places. Matti Hamalainen <ccr@tnsp.org> parents: 2208 diff changeset	508 *col = img->color[cbank].data[scroffs] & 15;
2132 6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	509 else
2222 75b5bb490f38 Add & 15 to deeper helper functions and remove it from unnecessary places. Matti Hamalainen <ccr@tnsp.org> parents: 2208 diff changeset	510 *col = bgcolor & 15;
2132 6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	511
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	512 return DMERR_OK;
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	513 }
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	514
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	515
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	516 static inline int dmC64GetGenericCharMCPixel(Uint8 *col,
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	517 const DMC64Image *img, const int scroffs, const int rasterX,
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	518 const int chrbank, const size_t chroffs, const int chr,
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	519 const int cbank, const int bgcolor,
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	520 const int bgd022, const int bgd023)
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	521 {
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	522 if (chroffs >= img->charData[chrbank].size)
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	523 {
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	524 return dmError(DMERR_INVALID_DATA,
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	525 "Character map index #%d out of bounds for char ROM data.\n",
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	526 chr);
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	527 }
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	528
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	529 const int ccol = img->color[cbank].data[scroffs];
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	530 if (ccol & 8)
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	531 {
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	532 const int vshift = 6 - (rasterX & 6);
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	533 switch ((img->charData[chrbank].data[chroffs] >> vshift) & 3)
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	534 {
2222 75b5bb490f38 Add & 15 to deeper helper functions and remove it from unnecessary places. Matti Hamalainen <ccr@tnsp.org> parents: 2208 diff changeset	535 case 0: *col = bgcolor & 15; break;
75b5bb490f38 Add & 15 to deeper helper functions and remove it from unnecessary places. Matti Hamalainen <ccr@tnsp.org> parents: 2208 diff changeset	536 case 1: *col = bgd022 & 15; break;
75b5bb490f38 Add & 15 to deeper helper functions and remove it from unnecessary places. Matti Hamalainen <ccr@tnsp.org> parents: 2208 diff changeset	537 case 2: *col = bgd023 & 15; break;
2139 84780a9d8d17 Improve and fix charmap format decoding. Matti Hamalainen <ccr@tnsp.org> parents: 2132 diff changeset	538 case 3: *col = ccol & 7;
2132 6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	539 }
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	540 }
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	541 else
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	542 {
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	543 const int vshift = 7 - (rasterX & 7);
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	544 if ((img->charData[chrbank].data[chroffs] >> vshift) & 1)
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	545 *col = ccol & 7;
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	546 else
2222 75b5bb490f38 Add & 15 to deeper helper functions and remove it from unnecessary places. Matti Hamalainen <ccr@tnsp.org> parents: 2208 diff changeset	547 *col = bgcolor & 15;
2132 6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	548 }
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	549
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	550 return DMERR_OK;
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	551 }
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	552
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	553
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	554 static inline int dmC64GetGenericCharECMPixel(Uint8 *col,
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	555 const DMC64Image *img, const int scroffs, const int rasterX,
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	556 const int chrbank, const size_t chroffs, const int chr,
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	557 const int cbank, const int bgcolor,
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	558 const int bgd022, const int bgd023, const int bgd024)
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	559 {
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	560 if (chroffs >= img->charData[0].size)
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	561 {
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	562 return dmError(DMERR_INVALID_DATA,
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	563 "Character map index #%d out of bounds for char ROM data.\n",
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	564 chr);
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	565 }
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	566
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	567 const int vshift = 7 - (rasterX & 7);
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	568 if ((img->charData[chrbank].data[chroffs] >> vshift) & 1)
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	569 *col = img->color[cbank].data[scroffs] & 15;
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	570 else
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	571 switch ((chr >> 6) & 3)
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	572 {
2222 75b5bb490f38 Add & 15 to deeper helper functions and remove it from unnecessary places. Matti Hamalainen <ccr@tnsp.org> parents: 2208 diff changeset	573 case 0: *col = bgcolor & 15; break;
75b5bb490f38 Add & 15 to deeper helper functions and remove it from unnecessary places. Matti Hamalainen <ccr@tnsp.org> parents: 2208 diff changeset	574 case 1: *col = bgd022 & 15; break;
75b5bb490f38 Add & 15 to deeper helper functions and remove it from unnecessary places. Matti Hamalainen <ccr@tnsp.org> parents: 2208 diff changeset	575 case 2: *col = bgd023 & 15; break;
75b5bb490f38 Add & 15 to deeper helper functions and remove it from unnecessary places. Matti Hamalainen <ccr@tnsp.org> parents: 2208 diff changeset	576 case 3: *col = bgd024 & 15; break;
2132 6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	577 }
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	578
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	579 return DMERR_OK;
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	580 }
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	581
6528a1398e8e Add char map helper functions and use them. Matti Hamalainen <ccr@tnsp.org> parents: 2129 diff changeset	582
1591 3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 1588 diff changeset	583 static inline const DMC64EncDecOp * fmtGetEncDecOp(const DMC64ImageFormat *fmt, const int index)
3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 1588 diff changeset	584 {
1775 4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again. Matti Hamalainen <ccr@tnsp.org> parents: 1774 diff changeset	585 return &fmt->format->encdecOps[index];
1591 3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 1588 diff changeset	586 }
3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 1588 diff changeset	587
3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 1588 diff changeset	588
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: 419 diff changeset	589 #ifdef __cplusplus
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: 419 diff changeset	590 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: 419 diff changeset	591 #endif
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: 419 diff changeset	592
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	593 #endif // LIB64GFX_H

Mercurial > hg > dmlib

annotate tools/lib64gfx.h @ 2306:e798a41f27a5