dmlib: tools/lib64gfx.h annotate

annotate tools/lib64gfx.h @ 1668:1741717b1ae5

Big overhaul to the enc/dec operator system to be more flexible.

author	Matti Hamalainen <ccr@tnsp.org>
date	Thu, 31 May 2018 00:04:01 +0300
parents	7555c8803529
children	a0986cfd6f9d

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
1456 42fb39da7dde Bump copyrights. Matti Hamalainen <ccr@tnsp.org> parents: 1449 diff changeset	5 * (C) Copyright 2012-2018 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
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	21 #define C64_SCR_WIDTH 320
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	22 #define C64_SCR_HEIGHT 200
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	23 #define C64_SCR_CH_WIDTH (C64_SCR_WIDTH/8)
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	24 #define C64_SCR_CH_HEIGHT (C64_SCR_HEIGHT/8)
1373 fc5ee5b4b0e9 Improve handling of extra data. Matti Hamalainen <ccr@tnsp.org> parents: 1365 diff changeset	25 #define C64_MAX_EXTRA_DATA 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	26
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	27 // C64 video screen pixel aspect ratio on PAL
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	28 #define C64_SCR_PAR_XY (0.9365f)
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	29
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	30 // Sprite constants
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	31 #define C64_SPR_WIDTH 3 // bytes
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	32 #define C64_SPR_HEIGHT 21 // lines
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	33 #define C64_SPR_WIDTH_PX (8 * C64_SPR_WIDTH)
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	34 #define C64_SPR_SIZE ((C64_SPR_WIDTH * C64_SPR_HEIGHT) + 1)
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	35
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	36 // Character constants
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	37 #define C64_CHR_WIDTH 1 // bytes
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	38 #define C64_CHR_HEIGHT 8 // lines
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	39 #define C64_CHR_WIDTH_PX (8 * C64_CHR_WIDTH)
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	40 #define C64_CHR_SIZE (C64_CHR_WIDTH * C64_CHR_HEIGHT)
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	41
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	42 // Etc.
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	43 #define C64_NCOLORS 16
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	44 #define C64_VIDBANK_SIZE (16*1024)
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	45 #define C64_MAX_SPRITES (C64_VIDBANK_SIZE / C64_SPR_SIZE)
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	46 #define C64_MAX_CHARS 256
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	47
922 658bf4c452d0 Comments, cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 921 diff changeset	48
1503 c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	49 #define DM_GET_ADDR_LO(addr) ((addr) & 0xff)
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	50 #define DM_GET_ADDR_HI(addr) (((addr) >> 8) & 0xff)
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	51
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	52
1637 58ef0124394d Add some comments. Matti Hamalainen <ccr@tnsp.org> parents: 1592 diff changeset	53 // 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	54 enum
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	55 {
1637 58ef0124394d Add some comments. Matti Hamalainen <ccr@tnsp.org> parents: 1592 diff changeset	56 D64_FMT_HIRES = 0x0000, // Hi-res
58ef0124394d Add some comments. Matti Hamalainen <ccr@tnsp.org> parents: 1592 diff changeset	57 D64_FMT_MC = 0x0001, // MultiColor
58ef0124394d Add some comments. Matti Hamalainen <ccr@tnsp.org> parents: 1592 diff changeset	58 D64_FMT_ILACE = 0x0002, // Interlace
58ef0124394d Add some comments. Matti Hamalainen <ccr@tnsp.org> parents: 1592 diff changeset	59 D64_FMT_FLI = 0x0004, // FLI
58ef0124394d Add some comments. Matti Hamalainen <ccr@tnsp.org> parents: 1592 diff changeset	60 D64_FMT_CHAR = 0x0008, // Character mode
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	61 };
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	62
1637 58ef0124394d Add some comments. Matti Hamalainen <ccr@tnsp.org> parents: 1592 diff changeset	63
58ef0124394d Add some comments. Matti Hamalainen <ccr@tnsp.org> parents: 1592 diff changeset	64 // 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	65 enum
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image Matti Hamalainen <ccr@tnsp.org> parents: 516 diff changeset	66 {
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	67 D64_ILACE_NONE = 0x0000, // Not set (invalid for interlaced images)
1637 58ef0124394d Add some comments. Matti Hamalainen <ccr@tnsp.org> parents: 1592 diff changeset	68 D64_ILACE_RES = 0x0001, // Interlace doubles resolution
58ef0124394d Add some comments. Matti Hamalainen <ccr@tnsp.org> parents: 1592 diff changeset	69 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	70 };
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	71
936 5104a7c87d7b Remove some unused structures, etc. Matti Hamalainen <ccr@tnsp.org> parents: 931 diff changeset	72
5104a7c87d7b Remove some unused structures, etc. Matti Hamalainen <ccr@tnsp.org> parents: 931 diff changeset	73 // Charmode screen memory configuration
917 df3a74f230d9 Initial implementation of charmode support in lib64gfx. Matti Hamalainen <ccr@tnsp.org> parents: 916 diff changeset	74 enum
df3a74f230d9 Initial implementation of charmode support in lib64gfx. Matti Hamalainen <ccr@tnsp.org> parents: 916 diff changeset	75 {
936 5104a7c87d7b Remove some unused structures, etc. Matti Hamalainen <ccr@tnsp.org> parents: 931 diff changeset	76 D64_CHCFG_SCREEN, // Use screen memory
5104a7c87d7b Remove some unused structures, etc. Matti Hamalainen <ccr@tnsp.org> parents: 931 diff changeset	77 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	78 // 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	79 };
df3a74f230d9 Initial implementation of charmode support in lib64gfx. Matti Hamalainen <ccr@tnsp.org> parents: 916 diff changeset	80
df3a74f230d9 Initial implementation of charmode support in lib64gfx. Matti Hamalainen <ccr@tnsp.org> parents: 916 diff changeset	81
1668 1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	82 // 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	83 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	84 {
1668 1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	85 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	86 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	87 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	88
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	89 DO_DEC_FUNC, // Execute specified decoding function (only for decoding operations)
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	90 DO_ENC_FUNC, // Same, but for encoding
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	91
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	92 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	93
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	94 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	95 };
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	96
512 95a6b6af53f1 Add some structures and enums for future. Matti Hamalainen <ccr@tnsp.org> parents: 511 diff changeset	97
1668 1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	98 // "Subjects" of operations (op->subject)
917 df3a74f230d9 Initial implementation of charmode support in lib64gfx. Matti Hamalainen <ccr@tnsp.org> parents: 916 diff changeset	99 enum
df3a74f230d9 Initial implementation of charmode support in lib64gfx. Matti Hamalainen <ccr@tnsp.org> parents: 916 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 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	102 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	103 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	104 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	105 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	106
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	107 DS_D020,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	108 DS_BGCOL,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	109 DS_D021,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	110 DS_D022,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	111 DS_D023,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	112 DS_D024,
917 df3a74f230d9 Initial implementation of charmode support in lib64gfx. Matti Hamalainen <ccr@tnsp.org> parents: 916 diff changeset	113 };
df3a74f230d9 Initial implementation of charmode support in lib64gfx. Matti Hamalainen <ccr@tnsp.org> parents: 916 diff changeset	114
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	115
1588 ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	116 typedef struct
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	117 {
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	118 Uint8 *data;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	119 size_t size;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	120 } DMC64MemBlock;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	121
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	122
1668 1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	123 typedef struct
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	124 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	125 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	126 int color, xc, yc;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	127 Uint8 data[C64_SPR_HEIGHT][C64_SPR_WIDTH];
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	128 } DMC64Sprite;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	129
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	130
1374 9edb17aa4a0a Forward declare typedef struct _DMC64Image; Matti Hamalainen <ccr@tnsp.org> parents: 1373 diff changeset	131 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	132 {
922 658bf4c452d0 Comments, cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 921 diff changeset	133 int type, // Image type (D64_FMT_*)
1378 c465860e44ed Make c64 image bank allocation dynamic. Matti Hamalainen <ccr@tnsp.org> parents: 1376 diff changeset	134 laceType, // Interlace type (D64_ILACE_*)
c465860e44ed Make c64 image bank allocation dynamic. Matti Hamalainen <ccr@tnsp.org> parents: 1376 diff changeset	135 nbanks;
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	136
931 2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start Matti Hamalainen <ccr@tnsp.org> parents: 926 diff changeset	137 int width, height; // Width and height in pixels
1482 df6dacb48970 Rename some struct members, and sanitize handling of DMC64Image allocation more. Matti Hamalainen <ccr@tnsp.org> parents: 1467 diff changeset	138 int chWidth, chHeight; // Width and height in charblocks
df6dacb48970 Rename some struct members, and sanitize handling of DMC64Image allocation more. Matti Hamalainen <ccr@tnsp.org> parents: 1467 diff changeset	139
1588 ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	140 // Bitmaps, color RAM, screen, etc. blocks * nbanks
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	141 // 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	142 DMC64MemBlock
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	143 *color,
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	144 *bitmap,
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	145 *screen,
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	146 *charData;
931 2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start Matti Hamalainen <ccr@tnsp.org> parents: 926 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 // Other standard colours
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	149 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	150
1588 ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	151 // 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	152 // for example raster colours might be stored
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	153 DMC64MemBlock extraData[C64_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	154
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	155 DMC64Sprite sprites[C64_MAX_SPRITES];
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	156 } DMC64Image;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	157
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	158
1375 f5368c13a872 Implement more flexible generic format decoding by separating the pixel Matti Hamalainen <ccr@tnsp.org> parents: 1374 diff changeset	159 typedef Uint8 (*DMC64GetPixelFunc)(
1376 67ae449cf9e1 More work on making various FLI etc. format decoding more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1375 diff changeset	160 const DMC64Image *img, const int bmoffs, const int scroffs,
67ae449cf9e1 More work on making various FLI etc. format decoding more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1375 diff changeset	161 const int vshift, const int vbitmap, const int raster);
1375 f5368c13a872 Implement more flexible generic format decoding by separating the pixel Matti Hamalainen <ccr@tnsp.org> parents: 1374 diff changeset	162
1379 1e67dd44351e Increase maximum number of enc/dec operations for C64 images. Matti Hamalainen <ccr@tnsp.org> parents: 1378 diff changeset	163 #define D64_MAX_ENCDEC_OPS 64
937 51dc33efd126 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 936 diff changeset	164
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	165
1486 bc13af8954d7 Add DMC64ImageFormat to C64 bitmap format encoding/decoding ops function parameters. Matti Hamalainen <ccr@tnsp.org> parents: 1482 diff changeset	166 typedef struct _DMC64ImageFormat DMC64ImageFormat;
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	167
1668 1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	168
510 43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps Matti Hamalainen <ccr@tnsp.org> parents: 507 diff changeset	169 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	170 {
1668 1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	171 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	172 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	173
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	174 size_t offs;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	175 int bank;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	176 size_t size;
1668 1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible. Matti Hamalainen <ccr@tnsp.org> parents: 1660 diff changeset	177
1486 bc13af8954d7 Add DMC64ImageFormat to C64 bitmap format encoding/decoding ops function parameters. Matti Hamalainen <ccr@tnsp.org> parents: 1482 diff changeset	178 BOOL (decFunction)(DMC64Image img, const struct _DMC64EncDecOp op, const Uint8 buf, const size_t len, const DMC64ImageFormat *fmt);
bc13af8954d7 Add DMC64ImageFormat to C64 bitmap format encoding/decoding ops function parameters. Matti Hamalainen <ccr@tnsp.org> parents: 1482 diff changeset	179 BOOL (encFunction)(const struct _DMC64EncDecOp op, DMGrowBuf buf, const DMC64Image img, const DMC64ImageFormat *fmt);
510 43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps Matti Hamalainen <ccr@tnsp.org> parents: 507 diff changeset	180 } 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	181
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	182
1592 91d1bb571fca Implement common encdec ops lists for sharing oplists between formats that Matti Hamalainen <ccr@tnsp.org> parents: 1591 diff changeset	183 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	184
91d1bb571fca Implement common encdec ops lists for sharing oplists between formats that Matti Hamalainen <ccr@tnsp.org> parents: 1591 diff changeset	185
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 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	187 {
922 658bf4c452d0 Comments, cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 921 diff changeset	188 int type; // Type flags, see D64_FMT_*
658bf4c452d0 Comments, cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 921 diff changeset	189 char *fext; // Filename extension
658bf4c452d0 Comments, cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 921 diff changeset	190 char *name; // Format description/name
658bf4c452d0 Comments, cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 921 diff changeset	191
511 4cdcaeb68b54 Collapse most of the probing functions into one generic probe, as they only Matti Hamalainen <ccr@tnsp.org> parents: 510 diff changeset	192 size_t addr; // Loading address (0 if no loading address)
1495 acb607e2c350 Clarify a comment. Matti Hamalainen <ccr@tnsp.org> parents: 1494 diff changeset	193 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	194
1545 3b613fcbf3ff Improve how format read/write capabilities are marked and shown. Matti Hamalainen <ccr@tnsp.org> parents: 1537 diff changeset	195 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	196
924 732787cccca8 Add dimension (w/h) information fields to C64 image format struct. Matti Hamalainen <ccr@tnsp.org> parents: 923 diff changeset	197 int width, height; // Width and height in pixels
1482 df6dacb48970 Rename some struct members, and sanitize handling of DMC64Image allocation more. Matti Hamalainen <ccr@tnsp.org> parents: 1467 diff changeset	198 int chWidth, chHeight; // Width and height in charblocks
924 732787cccca8 Add dimension (w/h) information fields to C64 image format struct. Matti Hamalainen <ccr@tnsp.org> parents: 923 diff changeset	199
511 4cdcaeb68b54 Collapse most of the probing functions into one generic probe, as they only Matti Hamalainen <ccr@tnsp.org> parents: 510 diff changeset	200 int (probe)(const Uint8 buf, const size_t len, const struct _DMC64ImageFormat *fmt);
1442 3773281491c9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1426 diff changeset	201
410 e4b2f689aff6 Stdint -> SDL types conversion. Matti Hamalainen <ccr@tnsp.org> parents: 407 diff changeset	202 int (decode)(DMC64Image img, const Uint8 buf, const size_t len, const struct _DMC64ImageFormat fmt);
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	203 int (encode)(DMGrowBuf buf, const DMC64Image img, const struct _DMC64ImageFormat fmt);
1442 3773281491c9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1426 diff changeset	204
1375 f5368c13a872 Implement more flexible generic format decoding by separating the pixel Matti Hamalainen <ccr@tnsp.org> parents: 1374 diff changeset	205 int (convertFrom)(DMImage , const DMC64Image , const struct _DMC64ImageFormat fmt);
1442 3773281491c9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1426 diff changeset	206 int (convertTo)(DMC64Image , const DMImage , const struct _DMC64ImageFormat fmt);
3773281491c9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1426 diff changeset	207
1375 f5368c13a872 Implement more flexible generic format decoding by separating the pixel Matti Hamalainen <ccr@tnsp.org> parents: 1374 diff changeset	208 DMC64GetPixelFunc getPixel;
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	209
1592 91d1bb571fca Implement common encdec ops lists for sharing oplists between formats that Matti Hamalainen <ccr@tnsp.org> parents: 1591 diff changeset	210 const DMC64EncDecOpList encdecOps, *encdecOpsRef;
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	211 } DMC64ImageFormat;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	212
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	213
1637 58ef0124394d Add some comments. Matti Hamalainen <ccr@tnsp.org> parents: 1592 diff changeset	214 //
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	215 // Compression types and flags
1637 58ef0124394d Add some comments. Matti Hamalainen <ccr@tnsp.org> parents: 1592 diff changeset	216 //
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	217 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	218 {
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	219 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	220 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	221 };
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	222
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	223 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	224 {
1660 7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	225 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	226 DM_RLE_WORD_RUNS = 0x0002, // Uses two-byte (word) run lengths
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	227 DM_RLE_RUNS_MASK = 0x000f,
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	228
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	229 DM_RLE_ORDER_1 = 0x0000, // Order: <marker>, <count/run length>, <data>
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	230 DM_RLE_ORDER_2 = 0x0010, // Order: <marker>, <data>, <count/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	231 DM_RLE_ORDER_MASK = 0x00f0,
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	232 };
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	233
3265175b24d2 Change the passing of RLE compression/decompression parameters to be in a dedicated struct. Matti Hamalainen <ccr@tnsp.org> parents: 1503 diff changeset	234
3265175b24d2 Change the passing of RLE compression/decompression parameters to be in a dedicated struct. Matti Hamalainen <ccr@tnsp.org> parents: 1503 diff changeset	235 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	236 {
3265175b24d2 Change the passing of RLE compression/decompression parameters to be in a dedicated struct. Matti Hamalainen <ccr@tnsp.org> parents: 1503 diff changeset	237 int type;
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	238 int flags;
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	239 Uint8
1660 7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	240 // DM_COMP_RLE_MARKER mode
7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	241 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	242 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	243
7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	244 // DM_COMP_RLE_MASK mode
7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	245 rleMarkerBits,
7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	246 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	247 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	248
7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	249 int
7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	250 // Minimum and maximum run lengths
7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	251 rleMinCountB,
7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	252 rleMinCountW,
7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	253 rleMaxCountB,
7555c8803529 More work on improving the generic RLE decoder/encoder. Matti Hamalainen <ccr@tnsp.org> parents: 1650 diff changeset	254 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	255 } 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	256
3265175b24d2 Change the passing of RLE compression/decompression parameters to be in a dedicated struct. Matti Hamalainen <ccr@tnsp.org> parents: 1503 diff changeset	257
1503 c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	258 //
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	259 // Global variables
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	260 //
1426 4c7b456d7f0b Rename global dmC64Palette to dmDefaultC64Palette. Matti Hamalainen <ccr@tnsp.org> parents: 1380 diff changeset	261 extern DMColor dmDefaultC64Palette[C64_NCOLORS];
516 6f141f760c54 Constify. Matti Hamalainen <ccr@tnsp.org> parents: 515 diff changeset	262 extern const 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	263 extern const int ndmC64ImageFormats;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	264
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	265
1503 c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	266 //
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	267 // Miscellaneous functions
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	268 //
1644 9d9a0e852b3d Reorder some functions. Matti Hamalainen <ccr@tnsp.org> parents: 1637 diff changeset	269 char * dmC64GetImageTypeString(char *buf, const size_t len, const int type, const BOOL lng);
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	270 void dmC64ImageDump(FILE fh, const DMC64Image img, const DMC64ImageFormat *fmt);
1588 ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	271
1457 dcff9ac95d3f Add function to set DMImage's palette to default C64 palette and use it. Matti Hamalainen <ccr@tnsp.org> parents: 1456 diff changeset	272 void dmSetDefaultC64Palette(DMImage *img);
1644 9d9a0e852b3d Reorder some functions. Matti Hamalainen <ccr@tnsp.org> parents: 1637 diff changeset	273 BOOL dmCompareAddr16(const Uint8 *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	274 int dmC64ImageGetNumBanks(const DMC64ImageFormat *fmt);
1645 262300a0359b Add helper functions dmReverse{Get,Put}Byte(). Matti Hamalainen <ccr@tnsp.org> parents: 1644 diff changeset	275 BOOL dmReverseGetByte(const Uint8 buf, size_t offs, Uint8 *data);
262300a0359b Add helper functions dmReverse{Get,Put}Byte(). Matti Hamalainen <ccr@tnsp.org> parents: 1644 diff changeset	276 BOOL dmReversePutByte(Uint8 buf, size_t offs, const Uint8 data);
1588 ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	277
1644 9d9a0e852b3d Reorder some functions. Matti Hamalainen <ccr@tnsp.org> parents: 1637 diff changeset	278 // C64 bitmap image allocation/freeing
1588 ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	279 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	280 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	281 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	282
1378 c465860e44ed Make c64 image bank allocation dynamic. Matti Hamalainen <ccr@tnsp.org> parents: 1376 diff changeset	283 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	284 void dmC64ImageFree(DMC64Image *img);
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start Matti Hamalainen <ccr@tnsp.org> parents: 926 diff changeset	285
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start Matti Hamalainen <ccr@tnsp.org> parents: 926 diff changeset	286
1503 c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	287 // Encoding and decoding of formats and images
1644 9d9a0e852b3d Reorder some functions. Matti Hamalainen <ccr@tnsp.org> parents: 1637 diff changeset	288 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	289
9d9a0e852b3d Reorder some functions. Matti Hamalainen <ccr@tnsp.org> parents: 1637 diff changeset	290 int dmC64SanityCheckEncDecOp(const int i, const DMC64EncDecOp op, const DMC64Image img);
9d9a0e852b3d Reorder some functions. Matti Hamalainen <ccr@tnsp.org> parents: 1637 diff changeset	291 BOOL dmC64GetOpSize(const DMC64EncDecOp op, const DMC64ImageFormat fmt, size_t *size);
9d9a0e852b3d Reorder some functions. Matti Hamalainen <ccr@tnsp.org> parents: 1637 diff changeset	292
1442 3773281491c9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1426 diff changeset	293 int dmC64ProbeBMP(const Uint8 buf, const size_t len, const DMC64ImageFormat *fmt);
3773281491c9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 1426 diff changeset	294
410 e4b2f689aff6 Stdint -> SDL types conversion. Matti Hamalainen <ccr@tnsp.org> parents: 407 diff changeset	295 int dmC64DecodeGenericBMP(DMC64Image img, const Uint8 buf, const size_t len, const DMC64ImageFormat *fmt);
1499 32640e1934d5 Simplify some encoding bits. Matti Hamalainen <ccr@tnsp.org> parents: 1495 diff changeset	296 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	297
940 ff18d2511843 Remove the doubleMC madness completely. Should be replaced with x/y aspect Matti Hamalainen <ccr@tnsp.org> parents: 937 diff changeset	298 int dmC64ConvertBMP2Image(DMImage *pdst, const DMC64Image src, const DMC64ImageFormat *fmt);
1467 32203356c652 Add some new functions that are mostly just stubs and not working tho. Matti Hamalainen <ccr@tnsp.org> parents: 1465 diff changeset	299 int dmC64ConvertImage2BMP(DMC64Image *pdst, const DMImage src, const DMC64ImageFormat *fmt);
1446 948b32bd67ef Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 1442 diff changeset	300
931 2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start Matti Hamalainen <ccr@tnsp.org> parents: 926 diff changeset	301 int dmC64DecodeBMP(DMC64Image *img, const Uint8 buf, const size_t len, 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	302 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	303
1446 948b32bd67ef Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 1442 diff changeset	304 int dmC64ConvertGenericBMP2Image(DMImage dst, const DMC64Image src, const DMC64ImageFormat *fmt);
1467 32203356c652 Add some new functions that are mostly just stubs and not working tho. Matti Hamalainen <ccr@tnsp.org> parents: 1465 diff changeset	305 int dmC64ConvertGenericImage2BMP(DMC64Image dst, const DMImage src, const DMC64ImageFormat *fmt);
1446 948b32bd67ef Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 1442 diff changeset	306
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	307 void dmGenericRLEAnalyze(const Uint8 buf, const size_t len, DMCompParams cfg);
1503 c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	308
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	309 int dmDecodeGenericRLE(DMGrowBuf dst, const Uint8 src, const Uint8 srcEnd, const DMCompParams cfg);
3265175b24d2 Change the passing of RLE compression/decompression parameters to be in a dedicated struct. Matti Hamalainen <ccr@tnsp.org> parents: 1503 diff changeset	310 int dmDecodeGenericRLEAlloc(DMGrowBuf dst, const Uint8 src, const Uint8 srcEnd, 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	311
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	312 int dmEncodeGenericRLE(DMGrowBuf dst, const Uint8 src, const Uint8 srcEnd, const DMCompParams cfg);
3265175b24d2 Change the passing of RLE compression/decompression parameters to be in a dedicated struct. Matti Hamalainen <ccr@tnsp.org> parents: 1503 diff changeset	313 int dmEncodeGenericRLEAlloc(DMGrowBuf dst, const Uint8 src, const Uint8 srcEnd, 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	314
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	315
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	316 //
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	317 // 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	318 //
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	319 static inline Uint8 dmC64GetGenericSCPixel(
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	320 const DMC64Image *img, const int bmoffs, const int scroffs,
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	321 const int vshift, const int vbank, const int vbitmap, const int cbank)
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	322 {
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	323 (void) cbank;
1588 ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	324 if ((img->bitmap[vbitmap].data[bmoffs] >> vshift) & 1)
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	325 return 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	326 else
1588 ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	327 return img->screen[vbank].data[scroffs] & 15;
1503 c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	328 }
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	329
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	330
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	331 static inline Uint8 dmC64GetGenericMCPixel(
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	332 const DMC64Image *img, const int bmoffs, const int scroffs,
1577 632f1dbc83eb Get rid of some code duplication by merging functionality of certain pixel Matti Hamalainen <ccr@tnsp.org> parents: 1573 diff changeset	333 const int vshift, const int vbank, const int vbitmap, const int cbank,
632f1dbc83eb Get rid of some code duplication by merging functionality of certain pixel Matti Hamalainen <ccr@tnsp.org> parents: 1573 diff changeset	334 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	335 {
1588 ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	336 switch ((img->bitmap[vbitmap].data[bmoffs] >> vshift) & 3)
1503 c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	337 {
1577 632f1dbc83eb Get rid of some code duplication by merging functionality of certain pixel Matti Hamalainen <ccr@tnsp.org> parents: 1573 diff changeset	338 case 0: return bgcolor;
1588 ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	339 case 1: return img->screen[vbank].data[scroffs] >> 4;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	340 case 2: return img->screen[vbank].data[scroffs] & 15;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility. Matti Hamalainen <ccr@tnsp.org> parents: 1586 diff changeset	341 default: return img->color[cbank].data[scroffs] & 15;
1503 c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	342 }
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	343 }
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	344
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	345
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	346 static inline Uint8 fmtGetGenericSCPixel(
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	347 const DMC64Image *img, const int bmoffs, const int scroffs,
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	348 const int vshift, const int vbitmap, const int raster)
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	349 {
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	350 (void) raster;
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	351 return dmC64GetGenericSCPixel(img, bmoffs, scroffs, vshift, 0, vbitmap, 0);
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	352 }
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	353
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	354
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	355 static inline Uint8 fmtGetGenericMCPixel(
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	356 const DMC64Image *img, const int bmoffs, const int scroffs,
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	357 const int vshift, const int vbitmap, const int raster)
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	358 {
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	359 (void) raster;
1577 632f1dbc83eb Get rid of some code duplication by merging functionality of certain pixel Matti Hamalainen <ccr@tnsp.org> parents: 1573 diff changeset	360 return dmC64GetGenericMCPixel(img, bmoffs, scroffs, vshift, 0, vbitmap, 0, img->bgcolor);
1503 c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	361 }
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c Matti Hamalainen <ccr@tnsp.org> parents: 1499 diff changeset	362
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: 419 diff changeset	363
1591 3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 1588 diff changeset	364 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	365 {
1592 91d1bb571fca Implement common encdec ops lists for sharing oplists between formats that Matti Hamalainen <ccr@tnsp.org> parents: 1591 diff changeset	366 // Ooh .. look at that beaauuuutiful deref ..
91d1bb571fca Implement common encdec ops lists for sharing oplists between formats that Matti Hamalainen <ccr@tnsp.org> parents: 1591 diff changeset	367 return fmt->encdecOpsRef != NULL ? &(* (fmt->encdecOpsRef))[index] : &fmt->encdecOps[index];
1591 3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 1588 diff changeset	368 }
3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 1588 diff changeset	369
3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it. Matti Hamalainen <ccr@tnsp.org> parents: 1588 diff changeset	370
435 e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: 419 diff changeset	371 #ifdef __cplusplus
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: 419 diff changeset	372 }
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: 419 diff changeset	373 #endif
e4a3f183e463 Modularize some more. Matti Hamalainen <ccr@tnsp.org> parents: 419 diff changeset	374
407 59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	375 #endif // LIB64GFX_H

Mercurial > hg > dmlib

annotate tools/lib64gfx.h @ 1668:1741717b1ae5