annotate tools/lib64gfx.h @ 2208:90ec1ec89c56

Revamp the palette handling in lib64gfx somewhat, add helper functions to lib64util for handling external palette file options and add support for specifying one of the "internal" palettes or external (.act) palette file to gfxconv and 64vw.
author Matti Hamalainen <ccr@tnsp.org>
date Fri, 14 Jun 2019 05:01:12 +0300
parents 7694b5c8edc1
children 75b5bb490f38
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
20 // Bitmap constants
2125
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2121
diff changeset
21 #define D64_SCR_WIDTH 320
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2121
diff changeset
22 #define D64_SCR_HEIGHT 200
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2121
diff changeset
23 #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
24 #define D64_SCR_CH_HEIGHT (D64_SCR_HEIGHT/8)
2139
84780a9d8d17 Improve and fix charmap format decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
25 #define D64_MAX_EXTRA_DATA 16
84780a9d8d17 Improve and fix charmap format decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
26 #define D64_MAX_EXTRA_INFO 64
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
27
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
28 // 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
29 #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
30
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
31 // Sprite constants
2125
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2121
diff changeset
32 #define D64_SPR_WIDTH_PX 24
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2121
diff changeset
33 #define D64_SPR_HEIGHT_PX 21
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2121
diff changeset
34 #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
35 #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
36 #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
37
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
38 // Character constants
2125
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2121
diff changeset
39 #define D64_CHR_WIDTH_PX 8
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2121
diff changeset
40 #define D64_CHR_HEIGHT_PX 8
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2121
diff changeset
41 #define D64_CHR_WIDTH_UT 1 // bytes
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2121
diff changeset
42 #define D64_CHR_HEIGHT_UT 8 // lines
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2121
diff changeset
43 #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
44
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
45 // Etc.
2125
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2121
diff changeset
46 #define D64_NCOLORS 16
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2121
diff changeset
47 #define D64_VIDBANK_SIZE (16*1024)
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2121
diff changeset
48 #define D64_MAX_SPRITES 1024
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2121
diff changeset
49 #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
50
922
658bf4c452d0 Comments, cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 921
diff changeset
51
1637
58ef0124394d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 1592
diff changeset
52 // 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
53 enum
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
54 {
2118
05a6e00b09d0 Change D64_FMT_* MASK constants and how they are used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2116
diff changeset
55 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
56 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
57 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
58 D64_FMT_MODE_MASK = 0x000f,
2116
b49d7cb20a73 Implement initial ECM support in charmap decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2114
diff changeset
59
b49d7cb20a73 Implement initial ECM support in charmap decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2114
diff changeset
60 D64_FMT_ILACE = 0x0010, // Interlace
b49d7cb20a73 Implement initial ECM support in charmap decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2114
diff changeset
61 D64_FMT_FLI = 0x0020, // FLI
b49d7cb20a73 Implement initial ECM support in charmap decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2114
diff changeset
62 D64_FMT_CHAR = 0x0040, // Character mode
b49d7cb20a73 Implement initial ECM support in charmap decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2114
diff changeset
63 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
64 };
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
65
1637
58ef0124394d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 1592
diff changeset
66
58ef0124394d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 1592
diff changeset
67 // 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
68 enum
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
69 {
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
70 D64_ILACE_NONE = 0x0000, // Not set (invalid for interlaced images)
1637
58ef0124394d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 1592
diff changeset
71 D64_ILACE_RES = 0x0001, // Interlace doubles resolution
58ef0124394d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 1592
diff changeset
72 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
73 };
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
74
936
5104a7c87d7b Remove some unused structures, etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 931
diff changeset
75
5104a7c87d7b Remove some unused structures, etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 931
diff changeset
76 // Charmode screen memory configuration
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
77 enum
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
78 {
936
5104a7c87d7b Remove some unused structures, etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 931
diff changeset
79 D64_CHCFG_SCREEN, // Use screen memory
5104a7c87d7b Remove some unused structures, etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 931
diff changeset
80 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
81 // 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
82 };
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
83
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
84
2139
84780a9d8d17 Improve and fix charmap format decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
85 // Various extra settings (see DMC64Image::extraInfo[])
84780a9d8d17 Improve and fix charmap format decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
86 enum
84780a9d8d17 Improve and fix charmap format decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
87 {
84780a9d8d17 Improve and fix charmap format decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
88 D64_EI_CHAR_CASE = 0,
84780a9d8d17 Improve and fix charmap format decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
89 D64_EI_CHAR_MODE,
84780a9d8d17 Improve and fix charmap format decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
90 D64_EI_CHAR_CUSTOM,
84780a9d8d17 Improve and fix charmap format decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
91 };
84780a9d8d17 Improve and fix charmap format decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
92
84780a9d8d17 Improve and fix charmap format decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
93
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
94 // 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
95 enum
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
96 {
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
97 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
98 };
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
99
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
100
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
101 // 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
102 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
103 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
104 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
105 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
106 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
107
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
108 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
109 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
110
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
111 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
112
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
113 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
114
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
115 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
116 };
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
117
512
95a6b6af53f1 Add some structures and enums for future.
Matti Hamalainen <ccr@tnsp.org>
parents: 511
diff changeset
118
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
119 // "Subjects" of operations (op->subject)
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
120 enum
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
121 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
122 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
123 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
124 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
125 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
126 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
127
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
128 DS_D020,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
129 DS_BGCOL,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
130 DS_D021,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
131 DS_D022,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
132 DS_D023,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
133 DS_D024,
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1846
diff changeset
134
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1846
diff changeset
135 DS_LAST
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
136 };
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
137
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
138
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
139 // 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
140 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
141 {
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to
Matti Hamalainen <ccr@tnsp.org>
parents: 2180
diff changeset
142 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
143 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
144 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
145 };
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to
Matti Hamalainen <ccr@tnsp.org>
parents: 2180
diff changeset
146
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to
Matti Hamalainen <ccr@tnsp.org>
parents: 2180
diff changeset
147
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
148 typedef struct
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
149 {
2201
9f3fb4004c20 Improvements to the lib64gfx palette handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2200
diff changeset
150 char *name;
2203
b259312ddb59 Add description field to DMC64Palette.
Matti Hamalainen <ccr@tnsp.org>
parents: 2201
diff changeset
151 char *desc;
2201
9f3fb4004c20 Improvements to the lib64gfx palette handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2200
diff changeset
152 DMColor colors[D64_NCOLORS];
9f3fb4004c20 Improvements to the lib64gfx palette handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2200
diff changeset
153 } DMC64Palette;
9f3fb4004c20 Improvements to the lib64gfx palette handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2200
diff changeset
154
9f3fb4004c20 Improvements to the lib64gfx palette handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2200
diff changeset
155
9f3fb4004c20 Improvements to the lib64gfx palette handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2200
diff changeset
156 typedef struct
9f3fb4004c20 Improvements to the lib64gfx palette handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2200
diff changeset
157 {
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
158 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
159 BOOL aspect; // Correct pixel aspect ratio?
2201
9f3fb4004c20 Improvements to the lib64gfx palette handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2200
diff changeset
160
9f3fb4004c20 Improvements to the lib64gfx palette handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2200
diff changeset
161 DMPalette *pal; // Use this palette
9f3fb4004c20 Improvements to the lib64gfx palette handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2200
diff changeset
162 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
163 } DMC64ImageConvSpec;
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
164
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
165
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
166 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
167 {
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
168 Uint8 *data;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
169 size_t size;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
170 } DMC64MemBlock;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
171
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
172
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
173 typedef struct
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
174 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
175 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
176 int color, xc, yc;
2125
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2121
diff changeset
177 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
178 } DMC64Sprite;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
179
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
180
1934
23a344b5e4f1 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1933
diff changeset
181 typedef struct _DMC64ImageCommonFormat DMC64ImageCommonFormat;
23a344b5e4f1 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1933
diff changeset
182 typedef struct _DMC64ImageFormat DMC64ImageFormat;
23a344b5e4f1 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1933
diff changeset
183
23a344b5e4f1 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1933
diff changeset
184
1374
9edb17aa4a0a Forward declare typedef struct _DMC64Image;
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
185 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
186 {
1947
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1935
diff changeset
187 DMC64ImageCommonFormat *fmt;
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1935
diff changeset
188 int laceType, // Interlace type (D64_ILACE_*)
2179
8d53da5bf067 Rename DMC64Image::nbanks to nblocks, which reflects better what it does.
Matti Hamalainen <ccr@tnsp.org>
parents: 2176
diff changeset
189 nblocks, // Number of internal blocks used
8d53da5bf067 Rename DMC64Image::nbanks to nblocks, which reflects better what it does.
Matti Hamalainen <ccr@tnsp.org>
parents: 2176
diff changeset
190 nbanks; // Number of videobanks used
1482
df6dacb48970 Rename some struct members, and sanitize handling of DMC64Image allocation more.
Matti Hamalainen <ccr@tnsp.org>
parents: 1467
diff changeset
191
2179
8d53da5bf067 Rename DMC64Image::nbanks to nblocks, which reflects better what it does.
Matti Hamalainen <ccr@tnsp.org>
parents: 2176
diff changeset
192 // 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
193 // 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
194 DMC64MemBlock
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
195 *color,
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
196 *bitmap,
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
197 *screen,
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
198 *charData;
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 926
diff changeset
199
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
200 // Other standard colours
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
201 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
202
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
203 // 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
204 // for example raster colours might be stored
2125
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2121
diff changeset
205 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
206
2139
84780a9d8d17 Improve and fix charmap format decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
207 // Extra information / settings used by some formats,
84780a9d8d17 Improve and fix charmap format decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
208 // for example some PETSCII-type formats.
84780a9d8d17 Improve and fix charmap format decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
209 // See D64_EI_* constants.
84780a9d8d17 Improve and fix charmap format decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
210 Uint8 extraInfo[D64_MAX_EXTRA_INFO];
84780a9d8d17 Improve and fix charmap format decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
211
2125
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2121
diff changeset
212 //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
213 } DMC64Image;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
214
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
215
510
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 507
diff changeset
216 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
217 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
218 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
219 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
220
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1826
diff changeset
221 size_t offs; // Offset in "memory"
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1826
diff changeset
222 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
223 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
224 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
225
2114
27cf33c3a646 Return actual error code from enc and dec functions instead of just BOOL.
Matti Hamalainen <ccr@tnsp.org>
parents: 2113
diff changeset
226 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
227 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
228
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to
Matti Hamalainen <ccr@tnsp.org>
parents: 2180
diff changeset
229 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
230 } 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
231
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
232
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
233 #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
234 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
235
91d1bb571fca Implement common encdec ops lists for sharing oplists between formats that
Matti Hamalainen <ccr@tnsp.org>
parents: 1591
diff changeset
236
2129
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
237 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
238
23a344b5e4f1 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1933
diff changeset
239
23a344b5e4f1 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1933
diff changeset
240 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
241 {
1935
489dde33f6b6 Cosmetics, add comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 1934
diff changeset
242 int type, // Type flags, see D64_FMT_*
489dde33f6b6 Cosmetics, add comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 1934
diff changeset
243 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
244 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
245 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
246
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
247 int (*convertFrom)(DMImage *, const DMC64Image *, const DMC64ImageFormat *fmt, const DMC64ImageConvSpec *spec);
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
248 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
249
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
250 DMC64GetPixelFunc getPixel;
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
251
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
252 DMC64EncDecOpList encdecOps;
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
253 } DMC64ImageCommonFormat;
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
254
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
255
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
256 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
257 {
922
658bf4c452d0 Comments, cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 921
diff changeset
258 char *fext; // Filename extension
658bf4c452d0 Comments, cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 921
diff changeset
259 char *name; // Format description/name
658bf4c452d0 Comments, cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 921
diff changeset
260
511
4cdcaeb68b54 Collapse most of the probing functions into one generic probe, as they only
Matti Hamalainen <ccr@tnsp.org>
parents: 510
diff changeset
261 size_t addr; // Loading address (0 if no loading address)
1495
acb607e2c350 Clarify a comment.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
262 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
263
1545
3b613fcbf3ff Improve how format read/write capabilities are marked and shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
264 int flags; // DM_FMT_* flags, see libgfx.h
3b613fcbf3ff Improve how format read/write capabilities are marked and shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
265
1780
5ea4713e9e0f Change c64 format probing API to use DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1775
diff changeset
266 int (*probe)(const DMGrowBuf *buf, const DMC64ImageFormat *fmt);
1442
3773281491c9 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1426
diff changeset
267
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
268 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
269 int (*encode)(DMGrowBuf *buf, const DMC64Image *img, const DMC64ImageFormat *fmt);
1442
3773281491c9 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1426
diff changeset
270
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
271 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
272 } DMC64ImageFormat;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
273
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
274
1637
58ef0124394d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 1592
diff changeset
275 //
2148
487157934904 Clarifications in comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 2139
diff changeset
276 // Compression types
1637
58ef0124394d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 1592
diff changeset
277 //
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
278 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
279 {
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
280 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
281 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
282 };
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
283
2148
487157934904 Clarifications in comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 2139
diff changeset
284
487157934904 Clarifications in comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 2139
diff changeset
285 // 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
286 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
287 {
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
288 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
289 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
290 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
291
2148
487157934904 Clarifications in comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 2139
diff changeset
292 DM_RLE_ORDER_1 = 0x0010, // Order: <marker>, <count/run length>, <data>
487157934904 Clarifications in comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 2139
diff changeset
293 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
294 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
295
1786
52e90130453b Add descriptive comments to some of RLE decoder flags that were missing "documentation".
Matti Hamalainen <ccr@tnsp.org>
parents: 1783
diff changeset
296 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
297 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
298 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
299
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1719
diff changeset
300 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
301 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
302 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
303 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
304 };
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
305
3265175b24d2 Change the passing of RLE compression/decompression parameters to be in a dedicated struct.
Matti Hamalainen <ccr@tnsp.org>
parents: 1503
diff changeset
306
3265175b24d2 Change the passing of RLE compression/decompression parameters to be in a dedicated struct.
Matti Hamalainen <ccr@tnsp.org>
parents: 1503
diff changeset
307 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
308 {
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
309 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
310 size_t cropOutLen;
2148
487157934904 Clarifications in comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 2139
diff changeset
311 int type; // DM_COMP_*
487157934904 Clarifications in comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 2139
diff changeset
312 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
313
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
314 Uint8
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
315 // DM_COMP_RLE_MARKER mode
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
316 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
317 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
318
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
319 // DM_COMP_RLE_MASK mode
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
320 rleMarkerBits,
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
321 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
322 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
323
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1668
diff changeset
324 unsigned int
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
325 // Minimum and maximum run lengths
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
326 rleMinCountB,
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
327 rleMinCountW,
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
328 rleMaxCountB,
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
329 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
330 } 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
331
3265175b24d2 Change the passing of RLE compression/decompression parameters to be in a dedicated struct.
Matti Hamalainen <ccr@tnsp.org>
parents: 1503
diff changeset
332
1503
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1499
diff changeset
333 //
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1499
diff changeset
334 // Global variables
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1499
diff changeset
335 //
2175
58fab91830d5 Change default C64 palette system a bit, add two more palettes. These are
Matti Hamalainen <ccr@tnsp.org>
parents: 2148
diff changeset
336 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
337 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
338 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
339 extern const int ndmC64ImageFormats;
2200
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
340 extern DMC64ImageFormat **dmC64ImageFormatsSorted;
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
341
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
342
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
343 //
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
344 // Library init/close
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
345 //
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
346 int dmLib64GFXInit(void);
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
347 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
348
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
349
1503
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1499
diff changeset
350 //
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1499
diff changeset
351 // Miscellaneous functions
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1499
diff changeset
352 //
1780
5ea4713e9e0f Change c64 format probing API to use DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1775
diff changeset
353 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
354
2208
90ec1ec89c56 Revamp the palette handling in lib64gfx somewhat, add helper functions to
Matti Hamalainen <ccr@tnsp.org>
parents: 2206
diff changeset
355 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
356 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
357
1780
5ea4713e9e0f Change c64 format probing API to use DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1775
diff changeset
358 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
359
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
360 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
361 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
362 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
363
2205
3a25e85f0203 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 2204
diff changeset
364 // C64 bitmap image allocation/freeing
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1376
diff changeset
365 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
366 void dmC64ImageFree(DMC64Image *img);
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 926
diff changeset
367
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 926
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 // Encoding and decoding of formats and images
1644
9d9a0e852b3d Reorder some functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1637
diff changeset
370 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
371
2205
3a25e85f0203 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 2204
diff changeset
372 int dmC64ImageGetNumBlocks(const DMC64ImageFormat *fmt);
3a25e85f0203 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 2204
diff changeset
373
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1846
diff changeset
374 const char *dmC64GetOpSubjectName(const int subject);
2108
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
375 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
376 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
377 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
378
1933
c5a46cb4cce5 Change DMC64ImageFormat parameter of dmC64GetSubjectSize() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1932
diff changeset
379 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
380 size_t dmC64GetOpSubjectSize(const DMC64EncDecOp *op, const DMC64ImageCommonFormat *fmt);
1644
9d9a0e852b3d Reorder some functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1637
diff changeset
381
1442
3773281491c9 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1426
diff changeset
382
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1668
diff changeset
383 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
384 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
385
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
386 int dmC64ConvertBMP2Image(DMImage **pdst, const DMC64Image *src, const DMC64ImageFormat *fmt, const DMC64ImageConvSpec *spec);
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
387 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
388
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1668
diff changeset
389 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
390 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
391
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
392 int dmC64ConvertGenericBMP2Image(DMImage *dst, const DMC64Image *src, const DMC64ImageFormat *fmt, const DMC64ImageConvSpec *spec);
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
393 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
394
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1668
diff changeset
395 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
396
1713
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1711
diff changeset
397 void dmSetupRLEBuffers(DMGrowBuf *dst, DMGrowBuf *src, const DMCompParams *cfg);
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1711
diff changeset
398 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
399
1713
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1711
diff changeset
400 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
401 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
402
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1668
diff changeset
403 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
404 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
405
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1668
diff changeset
406 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
407 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
408
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1499
diff changeset
409
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1499
diff changeset
410 //
2129
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
411 // 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
412 //
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
413 #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
414 const int \
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
415 x = rasterX / 8, \
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
416 y = rasterY / 8, \
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
417 yoffs = y * ximg->fmt->chWidth, \
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
418 bmoffs = yoffs * 8 + (rasterY & 7) + (x * 8), \
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
419 scroffs = yoffs + x, \
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
420 vshift = 7 - (rasterX & 7);
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
421
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
422
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
423 #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
424 const int \
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
425 x = rasterX / 4, \
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
426 y = rasterY / 8, \
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
427 yoffs = y * (ximg)->fmt->chWidth, \
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
428 bmoffs = yoffs * 8 + (rasterY & 7) + (x * 8), \
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
429 scroffs = yoffs + x, \
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
430 vshift = 6 - ((rasterX * 2) & 6);
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
2132
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
433 #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
434 const int \
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
435 x = rasterX / 8, \
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
436 y = rasterY / 8, \
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
437 scroffs = y * (ximg)->fmt->chWidth + x; \
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
438
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
439
2129
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
440 //
1503
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1499
diff changeset
441 // 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
442 //
2129
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
443 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
444 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
445 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
446 {
2129
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
447 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
448 *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
449 else
2129
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
450 *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
451
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
452 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
453 }
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1499
diff changeset
454
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1499
diff changeset
455
2129
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
456 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
457 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
458 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
459 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
460 {
2129
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
461 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
462 {
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
463 case 0: *col = bgcolor; break;
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
464 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
465 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
466 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
467 }
1503
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1499
diff changeset
468
2129
2129d4ac6f45 Refactor c64 image rendering completely to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
469 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
470 }
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1499
diff changeset
471
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents: 419
diff changeset
472
2132
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
473 static inline int dmC64GetGenericCharSCPixel(Uint8 *col,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
474 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
475 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
476 const int cbank, const int bgcolor)
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
477 {
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
478 if (chroffs >= img->charData[chrbank].size)
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
479 {
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
480 return dmError(DMERR_INVALID_DATA,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
481 "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
482 chr);
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
483 }
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
484
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
485 const int vshift = 7 - (rasterX & 7);
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
486 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
487 *col = img->color[cbank].data[scroffs];
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
488 else
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
489 *col = bgcolor;
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
490
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
491 return DMERR_OK;
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
492 }
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
493
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
494
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
495 static inline int dmC64GetGenericCharMCPixel(Uint8 *col,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
496 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
497 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
498 const int cbank, const int bgcolor,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
499 const int bgd022, const int bgd023)
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 if (chroffs >= img->charData[chrbank].size)
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
502 {
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
503 return dmError(DMERR_INVALID_DATA,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
504 "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
505 chr);
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
506 }
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
507
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
508 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
509 if (ccol & 8)
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
510 {
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
511 const int vshift = 6 - (rasterX & 6);
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
512 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
513 {
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
514 case 0: *col = bgcolor; break;
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
515 case 1: *col = bgd022; break;
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
516 case 2: *col = bgd023; break;
2139
84780a9d8d17 Improve and fix charmap format decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
517 case 3: *col = ccol & 7;
2132
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
518 }
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
519 }
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
520 else
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 const int vshift = 7 - (rasterX & 7);
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
523 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
524 *col = ccol & 7;
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
525 else
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
526 *col = bgcolor;
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 return DMERR_OK;
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
530 }
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
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
533 static inline int dmC64GetGenericCharECMPixel(Uint8 *col,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
534 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
535 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
536 const int cbank, const int bgcolor,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
537 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
538 {
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
539 if (chroffs >= img->charData[0].size)
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 return dmError(DMERR_INVALID_DATA,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
542 "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
543 chr);
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
544 }
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
545
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
546 const int vshift = 7 - (rasterX & 7);
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
547 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
548 *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
549 else
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
550 switch ((chr >> 6) & 3)
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 case 0: *col = bgcolor; break;
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
553 case 1: *col = bgd022; break;
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
554 case 2: *col = bgd023; break;
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
555 case 3: *col = bgd024; break;
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
556 }
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
557
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
558 return DMERR_OK;
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
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2129
diff changeset
561
1591
3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1588
diff changeset
562 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
563 {
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
564 return &fmt->format->encdecOps[index];
1591
3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1588
diff changeset
565 }
3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1588
diff changeset
566
3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1588
diff changeset
567
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents: 419
diff changeset
568 #ifdef __cplusplus
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents: 419
diff changeset
569 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents: 419
diff changeset
570 #endif
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents: 419
diff changeset
571
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
572 #endif // LIB64GFX_H