annotate tools/lib64gfx.c @ 2128:a8f5295ab2e7

Validate format index values better in dmC64GetImageTypeString().
author Matti Hamalainen <ccr@tnsp.org>
date Mon, 27 May 2019 11:28:19 +0300
parents 56d4dc81774b
children 781b1d63109a
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 /*
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2 * Functions for reading and converting various restricted
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3 * C64/etc and/or indexed/paletted graphics formats.
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: 2118
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 #include "lib64gfx.h"
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents: 433
diff changeset
10
514
c9b9f912acfb Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 513
diff changeset
11 #define BUF_SIZE_INITIAL (16*1024)
c9b9f912acfb Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 513
diff changeset
12 #define BUF_SIZE_GROW (4*1024)
c9b9f912acfb Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 513
diff changeset
13
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
14
1731
474055f25ab0 Move dmDefaultC64Palette back to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
15 // Based on Pepto's palette, stolen from VICE
2125
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2122
diff changeset
16 DMColor dmDefaultC64Palette[D64_NCOLORS] =
1731
474055f25ab0 Move dmDefaultC64Palette back to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
17 {
474055f25ab0 Move dmDefaultC64Palette back to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
18 { 0x00, 0x00, 0x00, 0xff },
474055f25ab0 Move dmDefaultC64Palette back to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
19 { 0xFF, 0xFF, 0xFF, 0xff },
474055f25ab0 Move dmDefaultC64Palette back to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
20 { 0x68, 0x37, 0x2B, 0xff },
474055f25ab0 Move dmDefaultC64Palette back to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
21 { 0x70, 0xA4, 0xB2, 0xff },
474055f25ab0 Move dmDefaultC64Palette back to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
22 { 0x6F, 0x3D, 0x86, 0xff },
474055f25ab0 Move dmDefaultC64Palette back to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
23 { 0x58, 0x8D, 0x43, 0xff },
474055f25ab0 Move dmDefaultC64Palette back to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
24 { 0x35, 0x28, 0x79, 0xff },
474055f25ab0 Move dmDefaultC64Palette back to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
25 { 0xB8, 0xC7, 0x6F, 0xff },
474055f25ab0 Move dmDefaultC64Palette back to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
26 { 0x6F, 0x4F, 0x25, 0xff },
474055f25ab0 Move dmDefaultC64Palette back to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
27 { 0x43, 0x39, 0x00, 0xff },
474055f25ab0 Move dmDefaultC64Palette back to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
28 { 0x9A, 0x67, 0x59, 0xff },
474055f25ab0 Move dmDefaultC64Palette back to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
29 { 0x44, 0x44, 0x44, 0xff },
474055f25ab0 Move dmDefaultC64Palette back to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
30 { 0x6C, 0x6C, 0x6C, 0xff },
474055f25ab0 Move dmDefaultC64Palette back to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
31 { 0x9A, 0xD2, 0x84, 0xff },
474055f25ab0 Move dmDefaultC64Palette back to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
32 { 0x6C, 0x5E, 0xB5, 0xff },
474055f25ab0 Move dmDefaultC64Palette back to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
33 { 0x95, 0x95, 0x95, 0xff },
474055f25ab0 Move dmDefaultC64Palette back to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
34 };
474055f25ab0 Move dmDefaultC64Palette back to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
35
474055f25ab0 Move dmDefaultC64Palette back to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
36
1644
9d9a0e852b3d Reorder some functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1632
diff changeset
37 char * dmC64GetImageTypeString(char *buf, const size_t len, const int type, const BOOL lng)
9d9a0e852b3d Reorder some functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1632
diff changeset
38 {
2118
05a6e00b09d0 Change D64_FMT_* MASK constants and how they are used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2117
diff changeset
39 static const char *fmtModesShort[] = { "ERROR", "HiR", "MC", "ECM" };
05a6e00b09d0 Change D64_FMT_* MASK constants and how they are used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2117
diff changeset
40 static const char *fmtModesLong[] = { "ERROR", "HiRes", "MultiColor", "Extended Color Mode" };
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
41 size_t nfmt = type & D64_FMT_MASK;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
42
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
43 if (nfmt >= sizeof(fmtModesShort) / sizeof(fmtModesShort[0]))
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
44 nfmt = 0;
2118
05a6e00b09d0 Change D64_FMT_* MASK constants and how they are used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2117
diff changeset
45
1644
9d9a0e852b3d Reorder some functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1632
diff changeset
46 snprintf(buf, len,
2116
b49d7cb20a73 Implement initial ECM support in charmap decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2115
diff changeset
47 "%s %s%s%s",
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
48 lng ? fmtModesLong[nfmt] : fmtModesShort[nfmt],
1644
9d9a0e852b3d Reorder some functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1632
diff changeset
49 (type & D64_FMT_ILACE) ? (lng ? "Interlaced " : "ILace ") : "",
9d9a0e852b3d Reorder some functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1632
diff changeset
50 (type & D64_FMT_FLI) ? "FLI " : "",
9d9a0e852b3d Reorder some functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1632
diff changeset
51 (type & D64_FMT_CHAR) ? "CHAR" : ""
9d9a0e852b3d Reorder some functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1632
diff changeset
52 );
9d9a0e852b3d Reorder some functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1632
diff changeset
53
9d9a0e852b3d Reorder some functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1632
diff changeset
54 return buf;
9d9a0e852b3d Reorder some functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1632
diff changeset
55 }
9d9a0e852b3d Reorder some functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1632
diff changeset
56
9d9a0e852b3d Reorder some functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1632
diff changeset
57
1822
9bec535956fd Add indentation parameter to dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1821
diff changeset
58 void dmC64ImageDump(FILE *fh, const DMC64Image *img, const DMC64ImageFormat *fmt, const char *indent)
1488
c71b6c5204af Factor the C64 bitmap image format info dump function to lib64gfx and use it from 64vw.
Matti Hamalainen <ccr@tnsp.org>
parents: 1487
diff changeset
59 {
1947
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1944
diff changeset
60 char typeStr[64];
1488
c71b6c5204af Factor the C64 bitmap image format info dump function to lib64gfx and use it from 64vw.
Matti Hamalainen <ccr@tnsp.org>
parents: 1487
diff changeset
61
c71b6c5204af Factor the C64 bitmap image format info dump function to lib64gfx and use it from 64vw.
Matti Hamalainen <ccr@tnsp.org>
parents: 1487
diff changeset
62 if (fmt != NULL)
c71b6c5204af Factor the C64 bitmap image format info dump function to lib64gfx and use it from 64vw.
Matti Hamalainen <ccr@tnsp.org>
parents: 1487
diff changeset
63 {
c71b6c5204af Factor the C64 bitmap image format info dump function to lib64gfx and use it from 64vw.
Matti Hamalainen <ccr@tnsp.org>
parents: 1487
diff changeset
64 fprintf(fh,
1822
9bec535956fd Add indentation parameter to dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1821
diff changeset
65 "%sFormat : %s [%s]\n",
9bec535956fd Add indentation parameter to dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1821
diff changeset
66 indent, fmt->name, fmt->fext);
1488
c71b6c5204af Factor the C64 bitmap image format info dump function to lib64gfx and use it from 64vw.
Matti Hamalainen <ccr@tnsp.org>
parents: 1487
diff changeset
67 }
c71b6c5204af Factor the C64 bitmap image format info dump function to lib64gfx and use it from 64vw.
Matti Hamalainen <ccr@tnsp.org>
parents: 1487
diff changeset
68
1728
80adcda72210 Allow image pointer argument to be NULL for dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1727
diff changeset
69 if (img != NULL)
80adcda72210 Allow image pointer argument to be NULL for dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1727
diff changeset
70 {
1947
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1944
diff changeset
71 dmC64GetImageTypeString(typeStr, sizeof(typeStr), img->fmt->type, TRUE);
1488
c71b6c5204af Factor the C64 bitmap image format info dump function to lib64gfx and use it from 64vw.
Matti Hamalainen <ccr@tnsp.org>
parents: 1487
diff changeset
72
1728
80adcda72210 Allow image pointer argument to be NULL for dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1727
diff changeset
73 fprintf(fh,
1947
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1944
diff changeset
74 "%sType : %s\n"
1822
9bec535956fd Add indentation parameter to dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1821
diff changeset
75 "%sBanks : %d\n",
1947
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1944
diff changeset
76 indent, typeStr,
1822
9bec535956fd Add indentation parameter to dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1821
diff changeset
77 indent, img->nbanks);
1728
80adcda72210 Allow image pointer argument to be NULL for dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1727
diff changeset
78
1947
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1944
diff changeset
79 if (img->fmt->type & D64_FMT_ILACE)
1488
c71b6c5204af Factor the C64 bitmap image format info dump function to lib64gfx and use it from 64vw.
Matti Hamalainen <ccr@tnsp.org>
parents: 1487
diff changeset
80 {
1728
80adcda72210 Allow image pointer argument to be NULL for dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1727
diff changeset
81 char *tmps;
80adcda72210 Allow image pointer argument to be NULL for dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1727
diff changeset
82 switch (img->laceType)
80adcda72210 Allow image pointer argument to be NULL for dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1727
diff changeset
83 {
80adcda72210 Allow image pointer argument to be NULL for dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1727
diff changeset
84 case D64_ILACE_COLOR: tmps = "color"; break;
80adcda72210 Allow image pointer argument to be NULL for dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1727
diff changeset
85 case D64_ILACE_RES: tmps = "resolution"; break;
80adcda72210 Allow image pointer argument to be NULL for dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1727
diff changeset
86 default: tmps = "ERROR"; break;
80adcda72210 Allow image pointer argument to be NULL for dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1727
diff changeset
87 }
80adcda72210 Allow image pointer argument to be NULL for dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1727
diff changeset
88 fprintf(fh,
1822
9bec535956fd Add indentation parameter to dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1821
diff changeset
89 "%sInterlace type : %s\n",
9bec535956fd Add indentation parameter to dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1821
diff changeset
90 indent, tmps);
1488
c71b6c5204af Factor the C64 bitmap image format info dump function to lib64gfx and use it from 64vw.
Matti Hamalainen <ccr@tnsp.org>
parents: 1487
diff changeset
91 }
1728
80adcda72210 Allow image pointer argument to be NULL for dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1727
diff changeset
92
1488
c71b6c5204af Factor the C64 bitmap image format info dump function to lib64gfx and use it from 64vw.
Matti Hamalainen <ccr@tnsp.org>
parents: 1487
diff changeset
93 fprintf(fh,
1947
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1944
diff changeset
94 "%sWidth x Height : %d x %d\n"
1981
02b216fae7d5 Add d020/d021 bgcolor to dmC64ImageDump() printout.
Matti Hamalainen <ccr@tnsp.org>
parents: 1949
diff changeset
95 "%sCHwidth x CHheight : %d x %d\n"
02b216fae7d5 Add d020/d021 bgcolor to dmC64ImageDump() printout.
Matti Hamalainen <ccr@tnsp.org>
parents: 1949
diff changeset
96 "%sd020 / border : %d ($%02x)\n"
02b216fae7d5 Add d020/d021 bgcolor to dmC64ImageDump() printout.
Matti Hamalainen <ccr@tnsp.org>
parents: 1949
diff changeset
97 "%sd021 / background : %d ($%02x)\n",
1947
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1944
diff changeset
98 indent, img->fmt->width, img->fmt->height,
1981
02b216fae7d5 Add d020/d021 bgcolor to dmC64ImageDump() printout.
Matti Hamalainen <ccr@tnsp.org>
parents: 1949
diff changeset
99 indent, img->fmt->chWidth, img->fmt->chHeight,
02b216fae7d5 Add d020/d021 bgcolor to dmC64ImageDump() printout.
Matti Hamalainen <ccr@tnsp.org>
parents: 1949
diff changeset
100 indent, img->d020, img->d020,
02b216fae7d5 Add d020/d021 bgcolor to dmC64ImageDump() printout.
Matti Hamalainen <ccr@tnsp.org>
parents: 1949
diff changeset
101 indent, img->bgcolor, img->bgcolor);
1488
c71b6c5204af Factor the C64 bitmap image format info dump function to lib64gfx and use it from 64vw.
Matti Hamalainen <ccr@tnsp.org>
parents: 1487
diff changeset
102 }
1728
80adcda72210 Allow image pointer argument to be NULL for dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1727
diff changeset
103 else
1947
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1944
diff changeset
104 if (fmt != NULL)
1728
80adcda72210 Allow image pointer argument to be NULL for dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1727
diff changeset
105 {
1947
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1944
diff changeset
106 dmC64GetImageTypeString(typeStr, sizeof(typeStr), fmt->format->type, TRUE);
1728
80adcda72210 Allow image pointer argument to be NULL for dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1727
diff changeset
107 fprintf(fh,
1822
9bec535956fd Add indentation parameter to dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1821
diff changeset
108 "%sType : %s\n"
9bec535956fd Add indentation parameter to dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1821
diff changeset
109 "%sWidth x Height : %d x %d\n"
9bec535956fd Add indentation parameter to dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1821
diff changeset
110 "%sCHwidth x CHheight : %d x %d\n",
9bec535956fd Add indentation parameter to dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1821
diff changeset
111 indent, typeStr,
9bec535956fd Add indentation parameter to dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1821
diff changeset
112 indent, fmt->format->width, fmt->format->height,
9bec535956fd Add indentation parameter to dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1821
diff changeset
113 indent, fmt->format->chWidth, fmt->format->chHeight);
1728
80adcda72210 Allow image pointer argument to be NULL for dmC64ImageDump().
Matti Hamalainen <ccr@tnsp.org>
parents: 1727
diff changeset
114 }
1488
c71b6c5204af Factor the C64 bitmap image format info dump function to lib64gfx and use it from 64vw.
Matti Hamalainen <ccr@tnsp.org>
parents: 1487
diff changeset
115 }
c71b6c5204af Factor the C64 bitmap image format info dump function to lib64gfx and use it from 64vw.
Matti Hamalainen <ccr@tnsp.org>
parents: 1487
diff changeset
116
c71b6c5204af Factor the C64 bitmap image format info dump function to lib64gfx and use it from 64vw.
Matti Hamalainen <ccr@tnsp.org>
parents: 1487
diff changeset
117
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2061
diff changeset
118 int dmSetDefaultC64Palette(DMImage *img)
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
119 {
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2061
diff changeset
120 int res;
2125
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2122
diff changeset
121 if ((res = dmPaletteAlloc(&(img->pal), D64_NCOLORS, 255)) != DMERR_OK)
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2061
diff changeset
122 return res;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2061
diff changeset
123
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2061
diff changeset
124 memcpy(img->pal->colors, dmDefaultC64Palette, img->pal->ncolors * sizeof(DMColor));
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2061
diff changeset
125
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2061
diff changeset
126 return DMERR_OK;
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
127 }
dcff9ac95d3f Add function to set DMImage's palette to default C64 palette and use it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1456
diff changeset
128
dcff9ac95d3f Add function to set DMImage's palette to default C64 palette and use it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1456
diff changeset
129
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2061
diff changeset
130 int dmSetMixedColorC64Palette(DMImage *img)
1732
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
131 {
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2061
diff changeset
132 int res;
2125
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2122
diff changeset
133 if ((res = dmPaletteAlloc(&(img->pal), D64_NCOLORS * D64_NCOLORS, -1)) != DMERR_OK)
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2061
diff changeset
134 return res;
1732
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
135
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
136 int n = 0;
2125
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2122
diff changeset
137 for (int n1 = 0; n1 < D64_NCOLORS; n1++)
1732
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
138 {
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
139 const DMColor *col1 = &dmDefaultC64Palette[n1];
2125
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2122
diff changeset
140 for (int n2 = 0; n2 < D64_NCOLORS; n2++)
1732
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
141 {
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
142 const DMColor *col2 = &dmDefaultC64Palette[n2];
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2061
diff changeset
143 img->pal->colors[n].r = (col1->r + col2->r) / 2;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2061
diff changeset
144 img->pal->colors[n].g = (col1->g + col2->g) / 2;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2061
diff changeset
145 img->pal->colors[n].b = (col1->b + col2->b) / 2;
1732
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
146 n++;
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
147 }
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
148 }
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
149
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2061
diff changeset
150 return DMERR_OK;
1732
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
151 }
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
152
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
153
1780
5ea4713e9e0f Change c64 format probing API to use DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1775
diff changeset
154 BOOL dmCompareAddr16(const DMGrowBuf *buf, const size_t offs, const Uint16 addr)
1381
b6782b785457 Move things around a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1380
diff changeset
155 {
1780
5ea4713e9e0f Change c64 format probing API to use DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1775
diff changeset
156 return
5ea4713e9e0f Change c64 format probing API to use DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1775
diff changeset
157 offs + 1 < buf->len &&
1923
42cd527a01b9 Remove mostly unused DM_GET_ADDR_{LO,HI} macros.
Matti Hamalainen <ccr@tnsp.org>
parents: 1922
diff changeset
158 buf->data[offs ] == (addr & 0xff) &&
42cd527a01b9 Remove mostly unused DM_GET_ADDR_{LO,HI} macros.
Matti Hamalainen <ccr@tnsp.org>
parents: 1922
diff changeset
159 buf->data[offs + 1] == ((addr >> 8) & 0xff);
1381
b6782b785457 Move things around a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1380
diff changeset
160 }
b6782b785457 Move things around a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1380
diff changeset
161
b6782b785457 Move things around a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1380
diff changeset
162
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
163 int dmC64ImageGetNumBanks(const DMC64ImageFormat *fmt)
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
164 {
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
165 int nbanks = 0;
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
166 for (int i = 0; i < D64_MAX_ENCDEC_OPS; i++)
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
167 {
1591
3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1588
diff changeset
168 const DMC64EncDecOp *op = fmtGetEncDecOp(fmt, i);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
169 if (op->type == DO_LAST)
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
170 break;
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
171
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
172 if (op->bank > nbanks)
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
173 nbanks = op->bank;
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
174 }
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
175
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
176 return nbanks + 1;
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
177 }
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
178
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
179
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
180 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
181 {
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
182 if ((blk->data = dmMalloc0(size)) == NULL)
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
183 return DMERR_MALLOC;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
184
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
185 blk->size = size;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
186 return DMERR_OK;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
187 }
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
188
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
189
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
190 int dmC64MemBlockReAlloc(DMC64MemBlock *blk, const size_t size)
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
191 {
1851
cfc7046fb176 Reallocate buffer only if the new size is larger in dmC64MemBlockReAlloc().
Matti Hamalainen <ccr@tnsp.org>
parents: 1846
diff changeset
192 // Reallocate only if new size is larger
cfc7046fb176 Reallocate buffer only if the new size is larger in dmC64MemBlockReAlloc().
Matti Hamalainen <ccr@tnsp.org>
parents: 1846
diff changeset
193 if (size <= blk->size)
cfc7046fb176 Reallocate buffer only if the new size is larger in dmC64MemBlockReAlloc().
Matti Hamalainen <ccr@tnsp.org>
parents: 1846
diff changeset
194 return DMERR_OK;
cfc7046fb176 Reallocate buffer only if the new size is larger in dmC64MemBlockReAlloc().
Matti Hamalainen <ccr@tnsp.org>
parents: 1846
diff changeset
195
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
196 if ((blk->data = dmRealloc(blk->data, size)) == NULL)
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
197 return DMERR_MALLOC;
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
198
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
199 dmMemset(blk->data + blk->size, 0, size - blk->size);
1851
cfc7046fb176 Reallocate buffer only if the new size is larger in dmC64MemBlockReAlloc().
Matti Hamalainen <ccr@tnsp.org>
parents: 1846
diff changeset
200
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
201 blk->size = size;
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
202 return DMERR_OK;
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
203 }
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
204
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
205
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
206 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
207 {
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
208 if (src->data != NULL && src->size > 0)
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
209 {
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
210 dst->size = src->size;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
211 if ((dst->data = dmMalloc(src->size)) == NULL)
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
212 return DMERR_MALLOC;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
213
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
214 memcpy(dst->data, src->data, src->size);
1824
adf9f05c26e1 Improve error handling of dmC64MemBlockCopy().
Matti Hamalainen <ccr@tnsp.org>
parents: 1822
diff changeset
215 return DMERR_OK;
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
216 }
1824
adf9f05c26e1 Improve error handling of dmC64MemBlockCopy().
Matti Hamalainen <ccr@tnsp.org>
parents: 1822
diff changeset
217 else
adf9f05c26e1 Improve error handling of dmC64MemBlockCopy().
Matti Hamalainen <ccr@tnsp.org>
parents: 1822
diff changeset
218 return DMERR_INVALID_DATA;
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
219 }
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
220
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
221
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
222 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
223 {
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
224 if (blk != NULL)
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
225 {
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
226 dmFreeR(&blk->data);
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
227 blk->size = 0;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
228 }
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
229 }
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
230
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
231
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
232 DMC64Image *dmC64ImageAlloc(const DMC64ImageFormat *fmt)
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
233 {
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
234 DMC64Image *img = dmMalloc0(sizeof(DMC64Image));
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
235
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
236 if (img == NULL)
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
237 return NULL;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
238
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
239 // Initialize image information
1947
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1944
diff changeset
240 img->fmt = fmt->format;
1491
b329fea6f013 Reindent polishing.
Matti Hamalainen <ccr@tnsp.org>
parents: 1489
diff changeset
241 img->nbanks = dmC64ImageGetNumBanks(fmt);
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
242
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
243 // Allocate banks
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
244 if ((img->color = dmCalloc(img->nbanks, sizeof(DMC64MemBlock))) == NULL ||
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
245 (img->bitmap = dmCalloc(img->nbanks, sizeof(DMC64MemBlock))) == NULL ||
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
246 (img->screen = dmCalloc(img->nbanks, sizeof(DMC64MemBlock))) == NULL ||
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
247 (img->charData = dmCalloc(img->nbanks, sizeof(DMC64MemBlock))) == NULL)
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
248 goto err;
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
249
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
250 return img;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
251
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
252 err:
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
253 dmC64ImageFree(img);
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
254 return NULL;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
255 }
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
256
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
257
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
258 void dmC64ImageFree(DMC64Image *img)
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
259 {
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
260 if (img != NULL)
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
261 {
1462
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
262 // Free the allocated areas
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
263 for (int i = 0; i < img->nbanks; i++)
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
264 {
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
265 dmC64MemBlockFree(&img->color[i]);
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
266 dmC64MemBlockFree(&img->bitmap[i]);
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
267 dmC64MemBlockFree(&img->screen[i]);
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
268 dmC64MemBlockFree(&img->charData[i]);
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
269 }
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
270
1462
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
271 // Free the pointers to the areas
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
272 dmFree(img->color);
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
273 dmFree(img->bitmap);
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
274 dmFree(img->screen);
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
275 dmFree(img->charData);
1462
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
276
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
277 // Extra data ..
2125
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2122
diff changeset
278 for (int i = 0; i < D64_MAX_EXTRA_DATA; i++)
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
279 dmC64MemBlockFree(&img->extraData[i]);
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
280
1167
848a88ce7a57 Use dmMemset().
Matti Hamalainen <ccr@tnsp.org>
parents: 1134
diff changeset
281 dmMemset(img, 0, sizeof(DMC64Image));
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
282 dmFree(img);
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
283 }
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
284 }
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
285
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
286
827
c8beac5313c3 Rename a function.
Matti Hamalainen <ccr@tnsp.org>
parents: 812
diff changeset
287 int dmC64ConvertCSDataToImage(DMImage *img,
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
288 int xoffs, int yoffs, const Uint8 *buf,
915
ba6b210c9bf4 Cosmetic.
Matti Hamalainen <ccr@tnsp.org>
parents: 912
diff changeset
289 int width, int height, BOOL multicolor,
ba6b210c9bf4 Cosmetic.
Matti Hamalainen <ccr@tnsp.org>
parents: 912
diff changeset
290 int *colors)
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
291 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
292 int yc, widthpx = width * 8;
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
293 Uint8 *dp;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
294
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
295 if (img == NULL)
517
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
296 return DMERR_NULLPTR;
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
297
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
298 if (xoffs < 0 || yoffs < 0 ||
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
299 xoffs > img->width - widthpx ||
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
300 yoffs > img->height - height)
517
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
301 return DMERR_INVALID_ARGS;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
302
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
303 dp = img->data + (yoffs * img->pitch) + xoffs;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
304
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
305 if (multicolor)
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
306 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
307 for (yc = 0; yc < height; yc++)
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
308 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
309 const int offs = yc * width;
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
310 Uint8 *d = dp;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
311
1875
b052754a1a23 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1858
diff changeset
312 for (int xc = 0; xc < widthpx / 2; xc++)
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
313 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
314 const int b = buf[offs + (xc / 4)];
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
315 const int v = 6 - ((xc * 2) & 6);
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
316 const Uint8 c = colors[(b >> v) & 3];
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
317
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
318 *d++ = c;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
319 *d++ = c;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
320 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
321
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
322 dp += img->pitch;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
323 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
324 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
325 else
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
326 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
327 for (yc = 0; yc < height; yc++)
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
328 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
329 const int offs = yc * width;
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
330 Uint8 *d = dp;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
331
1875
b052754a1a23 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1858
diff changeset
332 for (int xc = 0; xc < widthpx; xc++)
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
333 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
334 const int b = buf[offs + (xc / 8)];
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
335 const int v = 7 - (xc & 7);
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
336 const Uint8 c = colors[(b >> v) & 1];
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
337
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
338 *d++ = c;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
339 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
340
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
341 dp += img->pitch;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
342 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
343 }
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
344
517
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
345 return DMERR_OK;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
346 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
347
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
348
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
349 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: 1501
diff changeset
350 {
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
351 #define DM_STAT_MAX 256
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
352 size_t *stats;
1503
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1501
diff changeset
353
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
354 // Allocate statistics counts buffer
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
355 if ((stats = dmMalloc0(DM_STAT_MAX * sizeof(size_t))) == NULL)
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
356 return;
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
357
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
358 // Get statistics on the data
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
359 for (size_t offs = 0; offs < buf->len; offs++)
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
360 stats[buf->data[offs]]++;
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
361
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
362 // According to compression 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
363 switch (cfg->type)
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
364 {
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
365 case DM_COMP_RLE_MARKER:
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
366 {
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
367 size_t selected = 0,
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
368 smallest = buf->len;
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
369
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
370 // Find least used byte value
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
371 for (size_t n = 0; n < DM_STAT_MAX; n++)
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
372 {
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
373 if (stats[n] < smallest)
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
374 {
1821
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
375 switch (cfg->flags & DM_RLE_RUNS_MASK)
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
376 {
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
377 case DM_RLE_BYTE_RUNS | DM_RLE_WORD_RUNS:
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
378 cfg->rleMarkerW = selected;
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
379 cfg->rleMarkerB = selected = n;
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
380 break;
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
381
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
382 case DM_RLE_BYTE_RUNS:
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
383 cfg->rleMarkerB = selected = n;
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
384 break;
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
385
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
386 case DM_RLE_WORD_RUNS:
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
387 cfg->rleMarkerW = selected = n;
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
388 break;
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
389 }
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
390 smallest = stats[n];
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
391 }
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
392 }
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
393 }
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
394 break;
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
395
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
396 case DM_COMP_RLE_MASK:
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
397 cfg->rleMarkerMask = 0xC0;
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
398 cfg->rleMarkerBits = 0xC0;
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
399 cfg->rleCountMask = 0x3f;
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
400 break;
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
401 }
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
402
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
403 dmFree(stats);
1503
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1501
diff changeset
404 }
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1501
diff changeset
405
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
406 //#define RLE_DEBUG
1503
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1501
diff changeset
407
1713
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
408 void dmSetupRLEBuffers(DMGrowBuf *dst, DMGrowBuf *src, const DMCompParams *cfg)
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
409 {
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
410 if (cfg->flags & DM_RLE_BACKWARDS_INPUT)
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
411 {
1831
ce1a734b016f Change the logic of how DMGrowBuf works in "backwards" growing mode. Adjust
Matti Hamalainen <ccr@tnsp.org>
parents: 1828
diff changeset
412 src->offs = src->len;
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
413 src->backwards = TRUE;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
414 }
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
415
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
416 if (cfg->flags & DM_RLE_BACKWARDS_OUTPUT)
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
417 {
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
418 dst->backwards = TRUE;
1831
ce1a734b016f Change the logic of how DMGrowBuf works in "backwards" growing mode. Adjust
Matti Hamalainen <ccr@tnsp.org>
parents: 1828
diff changeset
419 dst->offs = dst->size;
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
420 }
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
421
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
422 #ifdef RLE_DEBUG
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
423 fprintf(stderr, "dmSetupRLEBuffers:\n");
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
424 fprintf(stderr, " src.len=%" DM_PRIx_SIZE_T ", src.size=%" DM_PRIx_SIZE_T ", src.offs=%" DM_PRIx_SIZE_T "\n", src->len, src->size, src->offs);
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
425 fprintf(stderr, " dst.len=%" DM_PRIx_SIZE_T ", dst.size=%" DM_PRIx_SIZE_T ", dst.offs=%" DM_PRIx_SIZE_T "\n", dst->len, dst->size, dst->offs);
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
426 fprintf(stderr, "------------------\n");
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
427 #endif
1718
bed88d17f28c Fix a commit blunder here ..
Matti Hamalainen <ccr@tnsp.org>
parents: 1717
diff changeset
428 }
bed88d17f28c Fix a commit blunder here ..
Matti Hamalainen <ccr@tnsp.org>
parents: 1717
diff changeset
429
bed88d17f28c Fix a commit blunder here ..
Matti Hamalainen <ccr@tnsp.org>
parents: 1717
diff changeset
430
1713
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
431 void dmFinishRLEBuffers(DMGrowBuf *dst, DMGrowBuf *src, const DMCompParams *cfg)
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
432 {
1741
6f1313c761aa Actually fix the warnings .. sigh.
Matti Hamalainen <ccr@tnsp.org>
parents: 1740
diff changeset
433 (void) src;
6f1313c761aa Actually fix the warnings .. sigh.
Matti Hamalainen <ccr@tnsp.org>
parents: 1740
diff changeset
434
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
435 #ifdef RLE_DEBUG
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
436 fprintf(stderr, "------------------\n");
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
437 fprintf(stderr, "dmFinishRLEBuffers:\n");
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
438 fprintf(stderr, " src.len=%" DM_PRIx_SIZE_T ", src.size=%" DM_PRIx_SIZE_T ", src.offs=%" DM_PRIx_SIZE_T "\n", src->len, src->size, src->offs);
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
439 fprintf(stderr, " dst.len=%" DM_PRIx_SIZE_T ", dst.size=%" DM_PRIx_SIZE_T ", dst.offs=%" DM_PRIx_SIZE_T "\n", dst->len, dst->size, dst->offs);
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
440 #endif
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
441
1713
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
442 if (cfg->flags & DM_RLE_BACKWARDS_OUTPUT)
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
443 {
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
444 memmove(dst->data, dst->data + dst->offs, dst->len);
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
445 dst->offs = 0;
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
446 }
1720
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
447
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
448 switch (cfg->flags & DM_OUT_CROP_MASK)
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
449 {
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
450 case DM_OUT_CROP_END:
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
451 if (cfg->cropOutLen < dst->len)
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
452 {
1831
ce1a734b016f Change the logic of how DMGrowBuf works in "backwards" growing mode. Adjust
Matti Hamalainen <ccr@tnsp.org>
parents: 1828
diff changeset
453 memmove(dst->data, dst->data + dst->len - cfg->cropOutLen, cfg->cropOutLen);
1720
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
454 dst->len = cfg->cropOutLen;
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
455 }
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
456 break;
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
457
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
458 case DM_OUT_CROP_START:
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
459 if (cfg->cropOutLen <= dst->len)
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
460 dst->len = cfg->cropOutLen;
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
461 break;
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
462 }
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
463
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
464 #ifdef RLE_DEBUG
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
465 fprintf(stderr, "ADJUSTED:\n");
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
466 fprintf(stderr, " src.len=%" DM_PRIx_SIZE_T ", src.size=%" DM_PRIx_SIZE_T ", src.offs=%" DM_PRIx_SIZE_T "\n", src->len, src->size, src->offs);
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
467 fprintf(stderr, " dst.len=%" DM_PRIx_SIZE_T ", dst.size=%" DM_PRIx_SIZE_T ", dst.offs=%" DM_PRIx_SIZE_T "\n", dst->len, dst->size, dst->offs);
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
468 #endif
1713
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
469 }
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
470
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
471
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
472 int dmGenericRLEOutputRun(DMGrowBuf *dst, const DMCompParams *cfg, const Uint8 data, const unsigned int count)
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
473 {
1944
d9a0a4bccf5d Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1933
diff changeset
474 for (unsigned int scount = count; scount; scount--)
1713
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
475 {
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
476 if (!dmGrowBufPutU8(dst, data))
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
477 {
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
478 return dmError(DMERR_MALLOC,
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
479 "%s: RLE: Could not output RLE run %d x 0x%02x @ "
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
480 "offs=0x%" DM_PRIx_SIZE_T ", size=0x%" DM_PRIx_SIZE_T ".\n",
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
481 cfg->func, count, data, dst->offs, dst->size);
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
482 }
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
483 }
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
484 return DMERR_OK;
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
485 }
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
486
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
487
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
488 int dmDecodeGenericRLE(DMGrowBuf *dst, const DMGrowBuf *psrc, const DMCompParams *cfg)
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
489 {
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
490 int res;
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
491 Uint8 tmp1, tmp2, tmp3, data;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
492 DMGrowBuf src;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
493
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
494 // As we need to modify the offs, etc. but not the data,
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
495 // we will just make a shallow copy of the DMGrowBuf struct
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
496 dmGrowBufConstCopy(&src, psrc);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
497 dmSetupRLEBuffers(dst, &src, cfg);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
498
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
499 while (dmGrowBufGetU8(&src, &data))
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
500 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
501 unsigned int count = 1;
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
502
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
503 if (cfg->type == DM_COMP_RLE_MARKER)
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
504 {
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
505 // A simple marker byte RLE variant: [Marker] [count] [data]
1744
e40227e994e2 Fix unitialized data accesses.
Matti Hamalainen <ccr@tnsp.org>
parents: 1741
diff changeset
506 if ((cfg->flags & DM_RLE_BYTE_RUNS) && data == cfg->rleMarkerB)
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
507 {
1750
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
508 if (!dmGrowBufGetU8(&src, &tmp1))
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
509 {
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
510 #ifdef RLE_DEBUG
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
511 fprintf(stderr, " marker=$%02x\n", cfg->rleMarkerB);
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
512 fprintf(stderr, " src.len=%" DM_PRIx_SIZE_T ", src.size=%" DM_PRIx_SIZE_T ", src.offs=%" DM_PRIx_SIZE_T "\n", src.len, src.size, src.offs);
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
513 fprintf(stderr, " dst.len=%" DM_PRIx_SIZE_T ", dst.size=%" DM_PRIx_SIZE_T ", dst.offs=%" DM_PRIx_SIZE_T "\n", dst->len, dst->size, dst->offs);
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
514 #endif
1727
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
515 res = dmError(DMERR_INVALID_DATA,
1750
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
516 "%s: RLE: Invalid data/out of data for byte length run sequence (1).\n",
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
517 cfg->func);
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
518 goto out;
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
519 }
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
520 if (!dmGrowBufGetU8(&src, &tmp2))
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
521 {
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
522 #ifdef RLE_DEBUG
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
523 fprintf(stderr, " marker=$%02x, data=$%02x\n", cfg->rleMarkerB, tmp1);
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
524 fprintf(stderr, " src.len=%" DM_PRIx_SIZE_T ", src.size=%" DM_PRIx_SIZE_T ", src.offs=%" DM_PRIx_SIZE_T "\n", src.len, src.size, src.offs);
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
525 fprintf(stderr, " dst.len=%" DM_PRIx_SIZE_T ", dst.size=%" DM_PRIx_SIZE_T ", dst.offs=%" DM_PRIx_SIZE_T "\n", dst->len, dst->size, dst->offs);
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
526 #endif
1750
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
527 res = dmError(DMERR_INVALID_DATA,
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
528 "%s: RLE: Invalid data/out of data for byte length run sequence (2).\n",
1727
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
529 cfg->func);
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
530 goto out;
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
531 }
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
532 switch (cfg->flags & DM_RLE_ORDER_MASK)
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
533 {
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
534 case DM_RLE_ORDER_1:
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
535 count = tmp1;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
536 data = tmp2;
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
537 break;
1573
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
538
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
539 case DM_RLE_ORDER_2:
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
540 data = tmp1;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
541 count = tmp2;
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
542 break;
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
543 }
1783
1ce808599129 Add DM_RLE_ZERO_COUNT_MAX flag for RLE decoder which makes it interpret run
Matti Hamalainen <ccr@tnsp.org>
parents: 1780
diff changeset
544
1ce808599129 Add DM_RLE_ZERO_COUNT_MAX flag for RLE decoder which makes it interpret run
Matti Hamalainen <ccr@tnsp.org>
parents: 1780
diff changeset
545 if (count == 0 && (cfg->flags & DM_RLE_ZERO_COUNT_MAX))
1ce808599129 Add DM_RLE_ZERO_COUNT_MAX flag for RLE decoder which makes it interpret run
Matti Hamalainen <ccr@tnsp.org>
parents: 1780
diff changeset
546 count = 256;
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
547 }
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
548 else
1744
e40227e994e2 Fix unitialized data accesses.
Matti Hamalainen <ccr@tnsp.org>
parents: 1741
diff changeset
549 if ((cfg->flags & DM_RLE_WORD_RUNS) && data == cfg->rleMarkerW)
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
550 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
551 if (!dmGrowBufGetU8(&src, &tmp1) ||
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
552 !dmGrowBufGetU8(&src, &tmp2) ||
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
553 !dmGrowBufGetU8(&src, &tmp3))
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
554 {
1727
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
555 res = dmError(DMERR_INVALID_DATA,
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
556 "%s: RLE: Invalid data/out of data for word length run sequence.\n",
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
557 cfg->func);
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
558 goto out;
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
559 }
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
560 switch (cfg->flags & DM_RLE_ORDER_MASK)
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
561 {
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
562 case DM_RLE_ORDER_1:
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
563 count = (tmp2 << 8) | tmp1;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
564 data = tmp3;
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
565 break;
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
566
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
567 case DM_RLE_ORDER_2:
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
568 data = tmp1;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
569 count = (tmp3 << 8) | tmp2;
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
570 break;
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
571 }
1783
1ce808599129 Add DM_RLE_ZERO_COUNT_MAX flag for RLE decoder which makes it interpret run
Matti Hamalainen <ccr@tnsp.org>
parents: 1780
diff changeset
572
1ce808599129 Add DM_RLE_ZERO_COUNT_MAX flag for RLE decoder which makes it interpret run
Matti Hamalainen <ccr@tnsp.org>
parents: 1780
diff changeset
573 if (count == 0 && (cfg->flags & DM_RLE_ZERO_COUNT_MAX))
1ce808599129 Add DM_RLE_ZERO_COUNT_MAX flag for RLE decoder which makes it interpret run
Matti Hamalainen <ccr@tnsp.org>
parents: 1780
diff changeset
574 count = 65536;
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
575 }
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
576 }
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
577 else
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
578 if (cfg->type == DM_COMP_RLE_MASK)
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
579 {
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
580 // Mask marker RLE: usually high bit(s) of byte mark RLE sequence
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
581 // and the lower bits contain the count: [Mask + count] [data]
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
582 if ((data & cfg->rleMarkerMask) == cfg->rleMarkerBits)
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
583 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
584 if (!dmGrowBufGetU8(&src, &tmp1))
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
585 {
1727
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
586 res = dmError(DMERR_INVALID_DATA,
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
587 "%s: RLE: Invalid data/out of data for byte length mask/run sequence.\n",
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
588 cfg->func);
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
589 goto out;
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
590 }
1466
bc75be0546fc More work on RLE decoder/encoder changes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1465
diff changeset
591
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
592 count = data & cfg->rleCountMask;
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
593 data = tmp1;
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
594 }
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
595 }
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
596
1715
c0c6fd8b288a Use dmGenericRLEOutputRun().
Matti Hamalainen <ccr@tnsp.org>
parents: 1713
diff changeset
597 if ((res = dmGenericRLEOutputRun(dst, cfg, data, count)) != DMERR_OK)
c0c6fd8b288a Use dmGenericRLEOutputRun().
Matti Hamalainen <ccr@tnsp.org>
parents: 1713
diff changeset
598 goto out;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
599 }
523
d0c0c6baeb57 Split the RLE decoding from DrazPaint/Lace and Amica paint decoders to a
Matti Hamalainen <ccr@tnsp.org>
parents: 519
diff changeset
600
1717
7de37c01dbd4 Use dmFinishRLEBuffers() in dmDecodeGenericRLE()
Matti Hamalainen <ccr@tnsp.org>
parents: 1716
diff changeset
601 dmFinishRLEBuffers(dst, &src, cfg);
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
602 res = DMERR_OK;
523
d0c0c6baeb57 Split the RLE decoding from DrazPaint/Lace and Amica paint decoders to a
Matti Hamalainen <ccr@tnsp.org>
parents: 519
diff changeset
603
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
604 out:
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
605 return res;
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
606 }
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
607
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
608
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
609 int dmDecodeGenericRLEAlloc(DMGrowBuf *dst, const DMGrowBuf *src, const DMCompParams *cfg)
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
610 {
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
611 int res;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
612 if ((res = dmGrowBufAlloc(dst, BUF_SIZE_INITIAL, BUF_SIZE_GROW)) != DMERR_OK)
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
613 return res;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
614
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
615 return dmDecodeGenericRLE(dst, src, cfg);
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
616 }
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
617
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
618
1820
bea67833b9fa Oops, need to deconstify the "count" argument of dmEncodeGenericRLESequence() as we now modify it inside.
Matti Hamalainen <ccr@tnsp.org>
parents: 1818
diff changeset
619 int dmEncodeGenericRLESequence(DMGrowBuf *dst, const Uint8 data, unsigned int count, const DMCompParams *cfg)
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
620 {
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
621 BOOL copyOnly = FALSE;
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
622 int res;
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
623
3265175b24d2 Change the passing of RLE compression/decompression parameters to be in a dedicated struct.
Matti Hamalainen <ccr@tnsp.org>
parents: 1503
diff changeset
624 switch (cfg->type)
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
625 {
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
626 case DM_COMP_RLE_MARKER:
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
627 if ((cfg->flags & DM_RLE_WORD_RUNS) &&
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
628 (count >= cfg->rleMinCountW || data == cfg->rleMarkerW))
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
629 {
1818
7bafe5f0998d Implement DM_RLE_ZERO_COUNT_MAX support in the generic RLE compressor.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
630 if (count == 65536 && (cfg->flags & DM_RLE_ZERO_COUNT_MAX))
7bafe5f0998d Implement DM_RLE_ZERO_COUNT_MAX support in the generic RLE compressor.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
631 count = 0;
7bafe5f0998d Implement DM_RLE_ZERO_COUNT_MAX support in the generic RLE compressor.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
632
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
633 if (!dmGrowBufPutU8(dst, cfg->rleMarkerW))
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
634 goto err;
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
635
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
636 switch (cfg->flags & DM_RLE_ORDER_MASK)
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
637 {
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
638 case DM_RLE_ORDER_1:
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
639 if (!dmGrowBufPutU16LE(dst, count) ||
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
640 !dmGrowBufPutU8(dst, data))
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
641 goto err;
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
642 break;
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
643
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
644 case DM_RLE_ORDER_2:
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
645 if (!dmGrowBufPutU8(dst, data) ||
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
646 !dmGrowBufPutU16LE(dst, count))
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
647 goto err;
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
648 break;
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
649 }
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
650 }
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
651 else
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
652 if ((cfg->flags & DM_RLE_BYTE_RUNS) &&
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
653 (count >= cfg->rleMinCountB || data == cfg->rleMarkerB))
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
654 {
1818
7bafe5f0998d Implement DM_RLE_ZERO_COUNT_MAX support in the generic RLE compressor.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
655 if (count == 256 && (cfg->flags & DM_RLE_ZERO_COUNT_MAX))
7bafe5f0998d Implement DM_RLE_ZERO_COUNT_MAX support in the generic RLE compressor.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
656 count = 0;
7bafe5f0998d Implement DM_RLE_ZERO_COUNT_MAX support in the generic RLE compressor.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
657
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
658 if (!dmGrowBufPutU8(dst, cfg->rleMarkerB))
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
659 goto err;
1573
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
660
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
661 switch (cfg->flags & DM_RLE_ORDER_MASK)
1573
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
662 {
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
663 case DM_RLE_ORDER_1:
1573
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
664 if (!dmGrowBufPutU8(dst, count) ||
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
665 !dmGrowBufPutU8(dst, data))
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
666 goto err;
1573
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
667 break;
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
668
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
669 case DM_RLE_ORDER_2:
1573
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
670 if (!dmGrowBufPutU8(dst, data) ||
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
671 !dmGrowBufPutU8(dst, count))
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
672 goto err;
1573
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
673 break;
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
674 }
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
675 }
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
676 else
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
677 copyOnly = TRUE;
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
678 break;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
679
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
680 case DM_COMP_RLE_MASK:
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
681 if (count >= cfg->rleMinCountB || (data & cfg->rleMarkerMask) == cfg->rleMarkerBits)
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
682 {
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
683 // Mask marker RLE: usually high bit(s) of byte mark RLE sequence
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
684 // and the lower bits contain the count: [Mask + count] [data]
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
685 if (!dmGrowBufPutU8(dst, cfg->rleMarkerBits | count) ||
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
686 !dmGrowBufPutU8(dst, data))
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
687 goto err;
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
688 }
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
689 else
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
690 copyOnly = TRUE;
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
691 break;
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
692 }
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
693
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
694 if (copyOnly && (res = dmGenericRLEOutputRun(dst, cfg, data, count)) != DMERR_OK)
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
695 return res;
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
696
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
697 return DMERR_OK;
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
698
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
699 err:
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
700 return dmError(DMERR_MALLOC,
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
701 "%s: RLE: Could not output RLE sequence %d x 0x%02x.\n",
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
702 cfg->func, count, data);
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
703 }
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
704
1466
bc75be0546fc More work on RLE decoder/encoder changes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1465
diff changeset
705
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
706 int dmEncodeGenericRLE(DMGrowBuf *dst, const DMGrowBuf *psrc, const DMCompParams *cfg)
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
707 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
708 DMGrowBuf src;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
709 unsigned int count = 0;
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
710 int prev = -1, res = DMERR_OK;
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
711 Uint8 data;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
712
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
713 // As we need to modify the offs, etc. but not the data,
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
714 // we will just make a shallow copy of the DMGrowBuf struct
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
715 dmGrowBufConstCopy(&src, psrc);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
716 dmSetupRLEBuffers(dst, &src, cfg);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
717
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
718 while (dmGrowBufGetU8(&src, &data))
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
719 {
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
720 // If new data byte is different, or we exceed the rleMaxCount
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
721 // for the active runs mode(s) .. then encode the run.
1833
19d4f76e003d Improve RLE compression by checking for "first byte" condition in the compressor.
Matti Hamalainen <ccr@tnsp.org>
parents: 1831
diff changeset
722 if ((data != prev && prev != -1) ||
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
723 ((cfg->flags & DM_RLE_WORD_RUNS) && count >= cfg->rleMaxCountW) ||
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
724 (((cfg->flags & DM_RLE_RUNS_MASK) == DM_RLE_BYTE_RUNS) && count >= cfg->rleMaxCountB))
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
725 {
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
726 if ((res = dmEncodeGenericRLESequence(dst, prev, count, cfg)) != DMERR_OK)
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
727 goto err;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
728
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
729 count = 1;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
730 }
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
731 else
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
732 count++;
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
733
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
734 prev = data;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
735 }
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
736
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
737 // If there is anything left in the output queue ..
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
738 if ((res = dmEncodeGenericRLESequence(dst, prev, count, cfg)) != DMERR_OK)
1518
24b8b452925e Improve error handling of RLE encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1513
diff changeset
739 goto err;
24b8b452925e Improve error handling of RLE encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1513
diff changeset
740
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
741 dmFinishRLEBuffers(dst, &src, cfg);
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
742
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
743 err:
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
744 return res;
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
745 }
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
746
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
747
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
748 int dmEncodeGenericRLEAlloc(DMGrowBuf *dst, const DMGrowBuf *src, const DMCompParams *cfg)
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
749 {
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
750 int res;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
751 if ((res = dmGrowBufAlloc(dst, BUF_SIZE_INITIAL, BUF_SIZE_GROW)) != DMERR_OK)
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
752 return res;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
753
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
754 return dmEncodeGenericRLE(dst, src, cfg);
523
d0c0c6baeb57 Split the RLE decoding from DrazPaint/Lace and Amica paint decoders to a
Matti Hamalainen <ccr@tnsp.org>
parents: 519
diff changeset
755 }
d0c0c6baeb57 Split the RLE decoding from DrazPaint/Lace and Amica paint decoders to a
Matti Hamalainen <ccr@tnsp.org>
parents: 519
diff changeset
756
519
feaaf0e2ecbe Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 518
diff changeset
757
1537
776aa43b2c57 Tiny improvement in MC->FLI upconversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 1534
diff changeset
758 int dmC64SanityCheckEncDecOp(const int i, const DMC64EncDecOp *op, const DMC64Image *img)
510
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
759 {
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
760 switch (op->type)
510
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
761 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
762 case DO_COPY:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
763 case DO_SET_MEM:
1726
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
764 case DO_SET_MEM_HI:
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
765 case DO_SET_MEM_LO:
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
766 case DO_SET_OP:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
767 switch (op->subject)
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
768 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
769 case 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
770 case 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
771 case 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
772 case 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
773 if (op->bank < 0 || op->bank > img->nbanks)
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
774 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
775 return dmError(DMERR_INTERNAL,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
776 "Invalid bank %d / %d definition in generic encode/decode operator %d @ #%d.\n",
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
777 op->bank, img->nbanks, op->type, i);
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
778 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
779 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
780
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
781 case DS_EXTRA_DATA:
2125
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2122
diff changeset
782 if (op->bank < 0 || op->bank >= D64_MAX_EXTRA_DATA)
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
783 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
784 return dmError(DMERR_INTERNAL,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
785 "Invalid bank %d definition in generic encode/decode operator %d @ #%d.\n",
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
786 op->bank, op->type, i);
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
787 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
788 break;
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
789 }
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
790 break;
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
791
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
792 // Just list the allowed ops here
1922
3c6f638ce402 Remove the useless distinction of DO_ENC_FUNC and DO_DEC_FUNC, as the
Matti Hamalainen <ccr@tnsp.org>
parents: 1919
diff changeset
793 case DO_FUNC:
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
794 case DO_CHAR_CFG:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
795 case DO_LAST:
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
796 break;
510
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
797
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
798 default:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
799 return dmError(DMERR_INTERNAL,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
800 "Invalid op type %d in generic encode/decode operator @ #%d.\n",
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
801 op->type, i);
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
802 break;
510
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
803 }
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
804
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
805 return DMERR_OK;
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
806 }
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
807
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
808
1933
c5a46cb4cce5 Change DMC64ImageFormat parameter of dmC64GetSubjectSize() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1931
diff changeset
809 size_t dmC64GetSubjectSize(const int subject, const DMC64ImageCommonFormat *fmt)
927
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
810 {
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
811 switch (subject)
927
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
812 {
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
813 case DS_SCREEN_RAM:
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
814 case DS_COLOR_RAM:
1933
c5a46cb4cce5 Change DMC64ImageFormat parameter of dmC64GetSubjectSize() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1931
diff changeset
815 return fmt->chHeight * fmt->chWidth;
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
816 break;
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
817
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
818 case DS_BITMAP_RAM:
1933
c5a46cb4cce5 Change DMC64ImageFormat parameter of dmC64GetSubjectSize() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1931
diff changeset
819 return fmt->chHeight * fmt->chWidth * 8;
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
820 break;
927
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
821
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
822 case DS_CHAR_DATA:
2125
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2122
diff changeset
823 return D64_MAX_CHARS * D64_CHR_SIZE;
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
824 break;
927
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
825
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
826 case DS_D020:
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
827 case DS_BGCOL:
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
828 case DS_D021:
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
829 case DS_D022:
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
830 case DS_D023:
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
831 case DS_D024:
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
832 return 1;
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
833 break;
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
834
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
835 default:
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
836 // Default to size of 0
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
837 return 0;
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
838 break;
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
839 }
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
840 }
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
841
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
842
1933
c5a46cb4cce5 Change DMC64ImageFormat parameter of dmC64GetSubjectSize() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1931
diff changeset
843 size_t dmC64GetOpSubjectSize(const DMC64EncDecOp *op, const DMC64ImageCommonFormat *fmt)
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
844 {
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
845 size_t size = dmC64GetSubjectSize(op->subject, fmt);
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
846
1632
2a1866fd546e Use C64 encdec operator specified size for the element if it is larger than the default size.
Matti Hamalainen <ccr@tnsp.org>
parents: 1631
diff changeset
847 // If the operator specified size is larger, use it.
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
848 if (op->size > size)
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
849 size = op->size;
1632
2a1866fd546e Use C64 encdec operator specified size for the element if it is larger than the default size.
Matti Hamalainen <ccr@tnsp.org>
parents: 1631
diff changeset
850
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
851 return size;
927
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
852 }
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
853
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
854
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
855 const char *dmC64GetOpSubjectName(const int subject)
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
856 {
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
857 static const char *subjectNames[DS_LAST] =
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
858 {
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
859 "Color RAM",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
860 "Bitmap RAM",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
861 "Screen RAM",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
862 "Extra data",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
863 "Character data",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
864
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
865 "d020",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
866 "d021/bgcol",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
867 "d022",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
868 "d023",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
869 "d024",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
870 };
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
871 if (subject >= 0 && subject < DS_LAST)
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
872 return subjectNames[subject];
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
873 else
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
874 return NULL;
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
875 }
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
876
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
877
2108
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
878 const DMC64MemBlock * dmC64GetOpMemBlock(const DMC64Image *img, const int subject, const int bank)
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
879 {
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
880 if (bank >= 0 && bank < img->nbanks)
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
881 {
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
882 switch (subject)
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
883 {
2108
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
884 case DS_COLOR_RAM : return &img->color[bank];
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
885 case DS_SCREEN_RAM : return &img->screen[bank];
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
886 case DS_BITMAP_RAM : return &img->bitmap[bank];
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
887 case DS_CHAR_DATA : return &img->charData[bank];
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
888 case DS_EXTRA_DATA : return &img->extraData[bank];
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
889 }
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
890 }
2108
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
891
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
892 return NULL;
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
893 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
894
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
895
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
896 int dmC64DecodeGenericBMP(DMC64Image *img, const DMGrowBuf *buf, const DMC64ImageFormat *fmt)
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
897 {
1460
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
898 int res = DMERR_OK;
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
899
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
900 if (buf == NULL || buf->data == NULL || img == NULL || fmt == NULL)
513
486067f39bc1 Add sanity checking.
Matti Hamalainen <ccr@tnsp.org>
parents: 511
diff changeset
901 return DMERR_NULLPTR;
486067f39bc1 Add sanity checking.
Matti Hamalainen <ccr@tnsp.org>
parents: 511
diff changeset
902
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
903 // Clear the image structure, set basics
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
904 img->nbanks = dmC64ImageGetNumBanks(fmt);
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
905
518
63849f85db57 Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 517
diff changeset
906 // Perform decoding
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
907 for (int i = 0; i < D64_MAX_ENCDEC_OPS; i++)
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
908 {
1591
3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1588
diff changeset
909 const DMC64EncDecOp *op = fmtGetEncDecOp(fmt, i);
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
910 const Uint8 *src;
1600
e28e67358ff6 Fix some uninitialized variable warnings.
Matti Hamalainen <ccr@tnsp.org>
parents: 1597
diff changeset
911 DMC64MemBlock *blk = NULL;
1853
2081bb4a998a Improve error messaging in generic c64 image encode/decode.
Matti Hamalainen <ccr@tnsp.org>
parents: 1852
diff changeset
912 const char *subjname = dmC64GetOpSubjectName(op->subject);
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
913 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
914 Uint8 value;
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
915
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
916 // Check for last operator
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
917 if (op->type == DO_LAST)
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
918 break;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
919
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
920 // Check operation validity
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
921 if ((res = dmC64SanityCheckEncDecOp(i, op, img)) != DMERR_OK)
510
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
922 return res;
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
923
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
924 // Is the operation inside the bounds?
1933
c5a46cb4cce5 Change DMC64ImageFormat parameter of dmC64GetSubjectSize() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1931
diff changeset
925 size = dmC64GetOpSubjectSize(op, fmt->format);
1858
1816211341a0 Only check operator size for DO_COPY operators against source size.
Matti Hamalainen <ccr@tnsp.org>
parents: 1853
diff changeset
926 if (op->type == DO_COPY && op->offs + size > buf->len + 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
927 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
928 return dmError(DMERR_INVALID_DATA,
1858
1816211341a0 Only check operator size for DO_COPY operators against source size.
Matti Hamalainen <ccr@tnsp.org>
parents: 1853
diff changeset
929 "Decode SRC out of bounds, op #%d type=%d, subj=%s, offs=%d ($%04x), "
510
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
930 "bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1853
2081bb4a998a Improve error messaging in generic c64 image encode/decode.
Matti Hamalainen <ccr@tnsp.org>
parents: 1852
diff changeset
931 i, op->type, subjname, op->offs, op->offs, op->bank,
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
932 size, size, buf->len, buf->len);
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
933 }
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
934
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
935 src = buf->data + op->offs;
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
936
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
937 // Perform operation
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
938 switch (op->type)
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
939 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
940 case DO_COPY:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
941 case DO_SET_MEM:
1726
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
942 case DO_SET_MEM_HI:
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
943 case DO_SET_MEM_LO:
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
944 case DO_SET_OP:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
945 switch (op->subject)
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
946 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
947 case 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
948 case 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
949 case 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
950 case 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
951 case DS_EXTRA_DATA:
2108
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
952 // XXX BZZZT .. a nasty cast here
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
953 blk = (DMC64MemBlock *) dmC64GetOpMemBlock(img, op->subject, op->bank);
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
954
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
955 if ((dmC64MemBlockReAlloc(blk, op->offs2 + size)) != DMERR_OK)
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
956 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
957 return dmError(DMERR_MALLOC,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
958 "Could not allocate '%s' block! "
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
959 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1853
2081bb4a998a Improve error messaging in generic c64 image encode/decode.
Matti Hamalainen <ccr@tnsp.org>
parents: 1852
diff changeset
960 subjname, i, op->offs, op->offs, op->bank, op->offs2 + size, op->offs2 + size, buf->len, buf->len);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
961 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
962 switch (op->type)
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
963 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
964 case DO_COPY:
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
965 memcpy(blk->data + op->offs2, src, size);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
966 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
967
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
968 case DO_SET_MEM:
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
969 dmMemset(blk->data + op->offs2, *src, size);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
970 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
971
1925
cf0457f93b37 Add support for DO_SET_MEM_LO and DO_SET_MEM_HI for blocks in dmC64DecodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents: 1924
diff changeset
972 case DO_SET_MEM_HI:
cf0457f93b37 Add support for DO_SET_MEM_LO and DO_SET_MEM_HI for blocks in dmC64DecodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents: 1924
diff changeset
973 dmMemset(blk->data + op->offs2, (*src >> 4) & 0x0f, size);
cf0457f93b37 Add support for DO_SET_MEM_LO and DO_SET_MEM_HI for blocks in dmC64DecodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents: 1924
diff changeset
974 break;
cf0457f93b37 Add support for DO_SET_MEM_LO and DO_SET_MEM_HI for blocks in dmC64DecodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents: 1924
diff changeset
975
cf0457f93b37 Add support for DO_SET_MEM_LO and DO_SET_MEM_HI for blocks in dmC64DecodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents: 1924
diff changeset
976 case DO_SET_MEM_LO:
cf0457f93b37 Add support for DO_SET_MEM_LO and DO_SET_MEM_HI for blocks in dmC64DecodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents: 1924
diff changeset
977 dmMemset(blk->data + op->offs2, *src & 0x0f, size);
cf0457f93b37 Add support for DO_SET_MEM_LO and DO_SET_MEM_HI for blocks in dmC64DecodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents: 1924
diff changeset
978 break;
cf0457f93b37 Add support for DO_SET_MEM_LO and DO_SET_MEM_HI for blocks in dmC64DecodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents: 1924
diff changeset
979
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
980 case DO_SET_OP:
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
981 dmMemset(blk->data + op->offs2, op->offs, size);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
982 break;
1727
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
983
1721
c9a6f1dae756 Add one default case error handler.
Matti Hamalainen <ccr@tnsp.org>
parents: 1720
diff changeset
984 default:
c9a6f1dae756 Add one default case error handler.
Matti Hamalainen <ccr@tnsp.org>
parents: 1720
diff changeset
985 return dmError(DMERR_INTERNAL,
c9a6f1dae756 Add one default case error handler.
Matti Hamalainen <ccr@tnsp.org>
parents: 1720
diff changeset
986 "Unhandled op type %d in "
c9a6f1dae756 Add one default case error handler.
Matti Hamalainen <ccr@tnsp.org>
parents: 1720
diff changeset
987 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
c9a6f1dae756 Add one default case error handler.
Matti Hamalainen <ccr@tnsp.org>
parents: 1720
diff changeset
988 op->type, i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
989 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
990 break;
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
991
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
992 case DS_D020:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
993 case DS_BGCOL:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
994 case DS_D021:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
995 case DS_D022:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
996 case DS_D023:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
997 case DS_D024:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
998 switch (op->type)
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
999 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1000 case DO_COPY:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1001 case DO_SET_MEM:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1002 value = *src;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1003 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1004
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1005 case DO_SET_OP:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1006 value = op->offs;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1007 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1008
1726
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1009 case DO_SET_MEM_HI:
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1010 value = (*src >> 4) & 0x0f;
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1011 break;
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1012
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1013 case DO_SET_MEM_LO:
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1014 value = *src & 0x0f;
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1015 break;
1924
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1016
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1017 default:
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1018 return dmError(DMERR_INTERNAL,
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1019 "Unhandled op type %d in "
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1020 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1021 op->type, i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1022 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1023 switch (op->subject)
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1024 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1025 case DS_D020: img->d020 = value; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1026 case DS_BGCOL:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1027 case DS_D021: img->bgcolor = value; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1028 case DS_D022: img->d022 = value; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1029 case DS_D023: img->d023 = value; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1030 case DS_D024: img->d024 = value; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1031 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1032 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1033
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1034 default:
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1035 return dmError(DMERR_INTERNAL,
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1036 "Unhandled subject %d in "
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1037 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1038 op->subject, i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len);
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1039 }
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1040 break;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1041
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1042 case DO_CHAR_CFG:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1043 switch (op->subject)
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1044 {
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1045 case D64_CHCFG_SCREEN:
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1046 break;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1047
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1048 case D64_CHCFG_LINEAR:
1672
09adf5328510 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1668
diff changeset
1049 for (int bank = 0; bank < img->nbanks; bank++)
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1050 {
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1051 for (int offs = 0; offs < fmt->format->chHeight * fmt->format->chWidth; offs++)
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
1052 img->screen[bank].data[offs] = offs & 0xff;
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1053 }
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1054 break;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1055
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1056 default:
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1057 return dmError(DMERR_INTERNAL,
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1058 "Unhandled DO_CHAR_CFG mode %d in ",
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1059 "op #%d, bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1060 op->subject, i, op->bank, size, size, buf->len, buf->len);
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1061 }
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1062 break;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1063
1922
3c6f638ce402 Remove the useless distinction of DO_ENC_FUNC and DO_DEC_FUNC, as the
Matti Hamalainen <ccr@tnsp.org>
parents: 1919
diff changeset
1064 case DO_FUNC:
3c6f638ce402 Remove the useless distinction of DO_ENC_FUNC and DO_DEC_FUNC, as the
Matti Hamalainen <ccr@tnsp.org>
parents: 1919
diff changeset
1065 if (op->decFunction != NULL &&
2114
27cf33c3a646 Return actual error code from enc and dec functions instead of just BOOL.
Matti Hamalainen <ccr@tnsp.org>
parents: 2113
diff changeset
1066 (res = op->decFunction(op, img, buf, fmt->format)) != DMERR_OK)
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1067 {
2114
27cf33c3a646 Return actual error code from enc and dec functions instead of just BOOL.
Matti Hamalainen <ccr@tnsp.org>
parents: 2113
diff changeset
1068 return dmError(res,
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1069 "Decode op custom function failed: op #%d, "
510
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
1070 "offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1071 i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len);
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1072 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1073 break;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1074 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1075 }
916
3985f596ece5 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 915
diff changeset
1076
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
1077 // Sanity check certain things ..
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1078 if ((fmt->format->type & D64_FMT_ILACE) && img->laceType == D64_ILACE_NONE)
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
1079 {
948d6fda722d Add sanity check for interlaced formats: check that the interlace type flags are set.
Matti Hamalainen <ccr@tnsp.org>
parents: 1645
diff changeset
1080 return dmError(DMERR_INTERNAL,
948d6fda722d Add sanity check for interlaced formats: check that the interlace type flags are set.
Matti Hamalainen <ccr@tnsp.org>
parents: 1645
diff changeset
1081 "Format '%s' (%s) has interlace flag set, but interlace type is not set.\n",
948d6fda722d Add sanity check for interlaced formats: check that the interlace type flags are set.
Matti Hamalainen <ccr@tnsp.org>
parents: 1645
diff changeset
1082 fmt->name, fmt->fext);
948d6fda722d Add sanity check for interlaced formats: check that the interlace type flags are set.
Matti Hamalainen <ccr@tnsp.org>
parents: 1645
diff changeset
1083 }
948d6fda722d Add sanity check for interlaced formats: check that the interlace type flags are set.
Matti Hamalainen <ccr@tnsp.org>
parents: 1645
diff changeset
1084
508
1ed5025c2538 Return DMLIB error values instead of arbitrary 0/negatives.
Matti Hamalainen <ccr@tnsp.org>
parents: 507
diff changeset
1085 return DMERR_OK;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1086 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1087
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1088
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1089 int dmC64EncodeGenericBMP(const BOOL allocate, DMGrowBuf *buf, const DMC64Image *img, const DMC64ImageFormat *fmt)
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1090 {
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
1091 int res = DMERR_OK;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1092
1469
0046b4e1b35f Various fixes in bmp encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1467
diff changeset
1093 if (img == NULL || fmt == NULL)
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1094 return DMERR_NULLPTR;
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1095
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1096 // Allocate the output buffer if requested
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1097 if (allocate && (res = dmGrowBufAlloc(buf, BUF_SIZE_INITIAL, BUF_SIZE_GROW)) != DMERR_OK)
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1098 {
1472
b9d3577d8290 Improve error handling and checking.
Matti Hamalainen <ccr@tnsp.org>
parents: 1471
diff changeset
1099 dmError(res,
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1100 "Could not allocate %d bytes of memory for C64 image encoding buffer.\n",
1465
88845f95e791 Change dmC64EncodeGenericBMP() to use DMGrowBuf, and make the necessary changes in gfxconv as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1463
diff changeset
1101 fmt->size);
1447
de5f7e31a8bf Rename labels.
Matti Hamalainen <ccr@tnsp.org>
parents: 1443
diff changeset
1102 goto err;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1103 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1104
1697
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1105 if (buf->backwards)
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1106 {
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1107 dmError(DMERR_INVALID_DATA,
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1108 "Buffer specified for dmC64EncodeGenericBMP() is in backwards mode, which is not supported.\n");
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1109 goto err;
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1110 }
1506
4fd4e7a00db4 Fix handling of predefined DMGrowBuffer in dmC64EncodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents: 1505
diff changeset
1111
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1112 // Perform encoding
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
1113 for (int i = 0; i < D64_MAX_ENCDEC_OPS; i++)
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1114 {
1591
3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1588
diff changeset
1115 const DMC64EncDecOp *op = fmtGetEncDecOp(fmt, i);
1364
0d61895e1763 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1362
diff changeset
1116 size_t size, chksize;
1600
e28e67358ff6 Fix some uninitialized variable warnings.
Matti Hamalainen <ccr@tnsp.org>
parents: 1597
diff changeset
1117 const DMC64MemBlock *blk = NULL;
1853
2081bb4a998a Improve error messaging in generic c64 image encode/decode.
Matti Hamalainen <ccr@tnsp.org>
parents: 1852
diff changeset
1118 const char *subjname = dmC64GetOpSubjectName(op->subject);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1119 Uint8 value;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1120
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
1121 // Check for last operator
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1122 if (op->type == DO_LAST)
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
1123 break;
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
1124
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
1125 // Check operation validity
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
1126 if ((res = dmC64SanityCheckEncDecOp(i, op, img)) != DMERR_OK)
1447
de5f7e31a8bf Rename labels.
Matti Hamalainen <ccr@tnsp.org>
parents: 1443
diff changeset
1127 goto err;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1128
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
1129 // Do we need to reallocate some more space?
1933
c5a46cb4cce5 Change DMC64ImageFormat parameter of dmC64GetSubjectSize() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1931
diff changeset
1130 size = dmC64GetOpSubjectSize(op, fmt->format);
1697
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1131 chksize = buf->offs + op->offs + size;
1465
88845f95e791 Change dmC64EncodeGenericBMP() to use DMGrowBuf, and make the necessary changes in gfxconv as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1463
diff changeset
1132 if (!dmGrowBufCheckGrow(buf, chksize))
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1133 {
1465
88845f95e791 Change dmC64EncodeGenericBMP() to use DMGrowBuf, and make the necessary changes in gfxconv as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1463
diff changeset
1134 res = dmError(DMERR_MALLOC,
88845f95e791 Change dmC64EncodeGenericBMP() to use DMGrowBuf, and make the necessary changes in gfxconv as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1463
diff changeset
1135 "Could not re-allocate %d bytes of memory for C64 image encoding buffer.\n",
88845f95e791 Change dmC64EncodeGenericBMP() to use DMGrowBuf, and make the necessary changes in gfxconv as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1463
diff changeset
1136 chksize);
88845f95e791 Change dmC64EncodeGenericBMP() to use DMGrowBuf, and make the necessary changes in gfxconv as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1463
diff changeset
1137 goto err;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1138 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1139
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
1140 // Perform operation
1697
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1141 Uint8 *dst = buf->data + buf->offs + op->offs;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1142 switch (op->type)
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1143 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1144 case DO_COPY:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1145 case DO_SET_MEM:
1926
f4fa11ecdc6f Add some operators case handlers.
Matti Hamalainen <ccr@tnsp.org>
parents: 1925
diff changeset
1146 case DO_SET_MEM_HI:
f4fa11ecdc6f Add some operators case handlers.
Matti Hamalainen <ccr@tnsp.org>
parents: 1925
diff changeset
1147 case DO_SET_MEM_LO:
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1148 case DO_SET_OP:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1149 switch (op->subject)
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
1150 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1151 case 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
1152 case 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
1153 case 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
1154 case 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
1155 case DS_EXTRA_DATA:
2108
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
1156 blk = dmC64GetOpMemBlock(img, op->subject, op->bank);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1157 switch (op->type)
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1158 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1159 case DO_COPY:
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1160 if (blk->data == NULL)
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1161 {
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1162 res = dmError(DMERR_NULLPTR,
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1163 "'%s' block is NULL in "
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1164 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1853
2081bb4a998a Improve error messaging in generic c64 image encode/decode.
Matti Hamalainen <ccr@tnsp.org>
parents: 1852
diff changeset
1165 subjname, i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len);
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1166 goto err;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1167 }
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
1168 if (op->offs2 + size > blk->size)
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1169 {
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1170 res = dmError(DMERR_INTERNAL,
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1171 "'%s' size mismatch %d <> %d in "
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
1172 "op #%d, offs=%d ($%04x), bank=%d, offs2=%d ($%02x), size=%d ($%04x)\n",
1853
2081bb4a998a Improve error messaging in generic c64 image encode/decode.
Matti Hamalainen <ccr@tnsp.org>
parents: 1852
diff changeset
1173 subjname, op->offs2 + size, blk->size, i, op->offs, op->offs, op->bank, op->offs2, op->offs2, size, size);
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1174 goto err;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1175 }
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
1176 memcpy(dst, blk->data + op->offs2, size);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1177 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1178
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1179 case DO_SET_MEM:
1926
f4fa11ecdc6f Add some operators case handlers.
Matti Hamalainen <ccr@tnsp.org>
parents: 1925
diff changeset
1180 case DO_SET_MEM_HI:
f4fa11ecdc6f Add some operators case handlers.
Matti Hamalainen <ccr@tnsp.org>
parents: 1925
diff changeset
1181 case DO_SET_MEM_LO:
f4fa11ecdc6f Add some operators case handlers.
Matti Hamalainen <ccr@tnsp.org>
parents: 1925
diff changeset
1182 case DO_SET_OP:
1918
ba88ff5e85ea Fix a silly bug in the generic c64 bitmap encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1917
diff changeset
1183 // This operation makes no sense in encoding, so do nothing
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1184 break;
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1185
1924
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1186 default:
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1187 return dmError(DMERR_INTERNAL,
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1188 "Unhandled op type %d in "
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1189 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1190 op->type, i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1191 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1192 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1193
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1194 case DS_D020:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1195 case DS_BGCOL:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1196 case DS_D021:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1197 case DS_D022:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1198 case DS_D023:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1199 case DS_D024:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1200 switch (op->subject)
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1201 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1202 case DS_D020: value = img->d020; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1203 case DS_BGCOL:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1204 case DS_D021: value = img->bgcolor; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1205 case DS_D022: value = img->d022; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1206 case DS_D023: value = img->d023; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1207 case DS_D024: value = img->d024; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1208 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1209 switch (op->type)
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1210 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1211 case DO_COPY:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1212 case DO_SET_MEM:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1213 *dst = value;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1214 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1215
1726
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1216 case DO_SET_MEM_HI:
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1217 *dst |= (value & 0x0f) << 4;
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1218 break;
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1219
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1220 case DO_SET_MEM_LO:
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1221 *dst |= value & 0x0f;
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1222 break;
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1223
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1224 case DO_SET_OP:
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1225 // Do nothing in this case
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1226 break;
1924
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1227
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1228 default:
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1229 return dmError(DMERR_INTERNAL,
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1230 "Unhandled op type %d in "
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1231 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1232 op->type, i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1233 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1234 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1235
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1236 default:
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1237 return dmError(DMERR_INTERNAL,
1853
2081bb4a998a Improve error messaging in generic c64 image encode/decode.
Matti Hamalainen <ccr@tnsp.org>
parents: 1852
diff changeset
1238 "Unhandled subject '%s' in "
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1239 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1853
2081bb4a998a Improve error messaging in generic c64 image encode/decode.
Matti Hamalainen <ccr@tnsp.org>
parents: 1852
diff changeset
1240 subjname, i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len);
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1241 }
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1242 break;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1243
1922
3c6f638ce402 Remove the useless distinction of DO_ENC_FUNC and DO_DEC_FUNC, as the
Matti Hamalainen <ccr@tnsp.org>
parents: 1919
diff changeset
1244 case DO_FUNC:
3c6f638ce402 Remove the useless distinction of DO_ENC_FUNC and DO_DEC_FUNC, as the
Matti Hamalainen <ccr@tnsp.org>
parents: 1919
diff changeset
1245 if (op->encFunction != NULL &&
2114
27cf33c3a646 Return actual error code from enc and dec functions instead of just BOOL.
Matti Hamalainen <ccr@tnsp.org>
parents: 2113
diff changeset
1246 (res = op->encFunction(op, buf, img, fmt->format)) != DMERR_OK)
904
d3cd9f2a8ef1 Some dummy code for encfunctions.
Matti Hamalainen <ccr@tnsp.org>
parents: 903
diff changeset
1247 {
2114
27cf33c3a646 Return actual error code from enc and dec functions instead of just BOOL.
Matti Hamalainen <ccr@tnsp.org>
parents: 2113
diff changeset
1248 dmErrorMsg(
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1249 "Encode op custom function failed: op #%d, "
904
d3cd9f2a8ef1 Some dummy code for encfunctions.
Matti Hamalainen <ccr@tnsp.org>
parents: 903
diff changeset
1250 "offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1486
bc13af8954d7 Add DMC64ImageFormat to C64 bitmap format encoding/decoding ops function parameters.
Matti Hamalainen <ccr@tnsp.org>
parents: 1485
diff changeset
1251 i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len);
bc13af8954d7 Add DMC64ImageFormat to C64 bitmap format encoding/decoding ops function parameters.
Matti Hamalainen <ccr@tnsp.org>
parents: 1485
diff changeset
1252 goto err;
904
d3cd9f2a8ef1 Some dummy code for encfunctions.
Matti Hamalainen <ccr@tnsp.org>
parents: 903
diff changeset
1253 }
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1254 break;
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1255 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1256 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1257
1448
50402c225ef4 Do not insert load address to the buffer beginning in dmC64EncodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents: 1447
diff changeset
1258 res = DMERR_OK;
535
ab8d9696225c Add helper macros and use them to set the loading address while encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 534
diff changeset
1259
1447
de5f7e31a8bf Rename labels.
Matti Hamalainen <ccr@tnsp.org>
parents: 1443
diff changeset
1260 err:
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1261 return res;
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1262 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1263
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1264
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1265 static int fmtGetGenericSCPixel(Uint8 *col,
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1266 const DMC64Image *img, const int rasterX, const int rasterY)
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1267 {
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1268 DM_C64_GENERIC_SC_PIXEL_DEFS(img)
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1269
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1270 return dmC64GetGenericSCPixel(
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1271 col, img, bmoffs, scroffs, vshift, 0, 0);
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1272 }
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1273
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1274
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1275 static int fmtGetGenericMCPixel(Uint8 *col,
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1276 const DMC64Image *img, const int rasterX, const int rasterY)
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1277 {
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1278 DM_C64_GENERIC_MC_PIXEL_DEFS(img)
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1279
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1280 return dmC64GetGenericMCPixel(
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1281 col, img, bmoffs, scroffs, vshift, 0, 0, 0, img->bgcolor);
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1282 }
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1283
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1284
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1285 static int fmtGetGenericCharSCPixel(Uint8 *col,
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1286 const DMC64Image *img, const int rasterX, const int rasterY)
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1287 {
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1288 const int
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1289 x = rasterX / 8,
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1290 y = rasterY / 8,
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1291 scroffs = y * img->fmt->chWidth + x,
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1292 vshift = 7 - (rasterX & 7),
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1293 chr = img->screen[0].data[scroffs];
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1294
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1295 const size_t chroffs = (chr * D64_CHR_SIZE) + (rasterY & 7);
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1296 if (chroffs >= img->charData[0].size)
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1297 {
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1298 return dmError(DMERR_INVALID_DATA,
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1299 "Character map index #%d out of bounds for char ROM data.\n",
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1300 chr);
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1301 }
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1302
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1303 if ((img->charData[0].data[chroffs] >> vshift) & 1)
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1304 *col = img->color[0].data[scroffs];
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1305 else
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1306 *col = img->bgcolor;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1307
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1308 return DMERR_OK;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1309 }
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1310
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1311
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1312 static int fmtGetGenericCharMCPixel(Uint8 *col,
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1313 const DMC64Image *img, const int rasterX, const int rasterY)
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1314 {
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1315 const int
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1316 y = rasterY / 8,
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1317 scroffs = y * img->fmt->chWidth + (rasterX / 8),
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1318 chr = img->screen[0].data[scroffs],
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1319 ccol = img->color[0].data[scroffs];
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1320
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1321 const size_t chroffs = (chr * D64_CHR_SIZE) + (rasterY & 7);
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1322 if (chroffs >= img->charData[0].size)
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1323 {
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1324 return dmError(DMERR_INVALID_DATA,
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1325 "Character map index #%d out of bounds for char ROM data.\n",
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1326 chr);
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1327 }
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1328
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1329 if (ccol & 8)
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1330 {
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1331 const int vshift = 6 - (rasterX & 6);
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1332 switch ((img->charData[0].data[chroffs] >> vshift) & 3)
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1333 {
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1334 case 0: *col = img->bgcolor; break;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1335 case 1: *col = img->d022; break;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1336 case 2: *col = img->d023; break;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1337 case 3: *col = ccol & 15;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1338 }
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1339 }
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1340 else
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1341 {
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1342 const int vshift = 7 - (rasterX & 7);
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1343 if ((img->charData[0].data[chroffs] >> vshift) & 1)
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1344 *col = ccol & 7;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1345 else
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1346 *col = img->bgcolor;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1347 }
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1348
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1349 return DMERR_OK;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1350 }
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1351
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1352
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1353 static int fmtGetGenericCharECMPixel(Uint8 *col,
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1354 const DMC64Image *img, const int rasterX, const int rasterY)
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1355 {
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1356 const int
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1357 x = rasterX / 8,
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1358 y = rasterY / 8,
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1359 scroffs = y * img->fmt->chWidth + x,
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1360 vshift = 7 - (rasterX & 7),
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1361 chr = img->screen[0].data[scroffs];
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1362
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1363 const size_t chroffs = ((chr & 0x3f) * D64_CHR_SIZE) + (rasterY & 7);
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1364 if (chroffs >= img->charData[0].size)
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1365 {
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1366 return dmError(DMERR_INVALID_DATA,
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1367 "Character map index #%d out of bounds for char ROM data.\n",
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1368 chr);
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1369 }
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1370
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1371 if ((img->charData[0].data[chroffs] >> vshift) & 1)
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1372 *col = img->color[0].data[scroffs] & 15;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1373 else
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1374 switch ((chr >> 6) & 3)
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1375 {
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1376 case 0: *col = img->bgcolor; break;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1377 case 1: *col = img->d022; break;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1378 case 2: *col = img->d023; break;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1379 case 3: *col = img->d024; break;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1380 }
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1381
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1382 return DMERR_OK;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1383 }
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1384
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1385
530
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1386 // Convert a generic "C64" format bitmap in DMC64Image struct to
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1387 // a indexed/paletted bitmap image.
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1388 int dmC64ConvertGenericBMP2Image(DMImage *dst, const DMC64Image *src,
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1389 const DMC64ImageFormat *fmt, const DMC64ImageConvSpec *spec)
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1390 {
1375
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1391 DMC64GetPixelFunc getPixel;
530
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1392
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1393 // Sanity check arguments
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1394 if (dst == NULL || src == NULL || fmt == NULL || spec == NULL)
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1395 return DMERR_NULLPTR;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1396
1947
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1944
diff changeset
1397 if (dst->width != src->fmt->width || dst->height != src->fmt->height)
1460
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1398 {
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1399 return dmError(DMERR_INVALID_DATA,
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1400 "Invalid src vs. dst width/height %d x %d <-> %d x %d\n",
1947
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1944
diff changeset
1401 src->fmt->width, src->fmt->height, dst->width, dst->height);
1460
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1402 }
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1403
1167
848a88ce7a57 Use dmMemset().
Matti Hamalainen <ccr@tnsp.org>
parents: 1134
diff changeset
1404 dmMemset(dst->data, 0, dst->size);
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1405
1375
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1406 // Check pixel getter function
1947
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1944
diff changeset
1407 if (src->fmt->getPixel != NULL)
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1944
diff changeset
1408 getPixel = src->fmt->getPixel;
1375
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1409 else
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1410 if (src->fmt->type & D64_FMT_CHAR)
2118
05a6e00b09d0 Change D64_FMT_* MASK constants and how they are used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2117
diff changeset
1411 switch (src->fmt->type & D64_FMT_MASK)
05a6e00b09d0 Change D64_FMT_* MASK constants and how they are used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2117
diff changeset
1412 {
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1413 case D64_FMT_MC : getPixel = fmtGetGenericCharMCPixel; break;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1414 case D64_FMT_HIRES : getPixel = fmtGetGenericCharSCPixel; break;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1415 case D64_FMT_ECM : getPixel = fmtGetGenericCharECMPixel; break;
2118
05a6e00b09d0 Change D64_FMT_* MASK constants and how they are used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2117
diff changeset
1416 default:
05a6e00b09d0 Change D64_FMT_* MASK constants and how they are used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2117
diff changeset
1417 return dmError(DMERR_INVALID_DATA,
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1418 "Invalid character map image type/fmt=0x%x.\n",
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1419 src->fmt->type);
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1420 }
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1421 else
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1422 switch (src->fmt->type & D64_FMT_MASK)
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1423 {
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1424 case D64_FMT_MC : getPixel = fmtGetGenericMCPixel; break;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1425 case D64_FMT_HIRES : getPixel = fmtGetGenericSCPixel; break;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1426 default:
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1427 return dmError(DMERR_INVALID_DATA,
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1428 "Invalid bitmap image type/fmt=0x%x.\n",
2118
05a6e00b09d0 Change D64_FMT_* MASK constants and how they are used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2117
diff changeset
1429 src->fmt->type);
05a6e00b09d0 Change D64_FMT_* MASK constants and how they are used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2117
diff changeset
1430 }
1375
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1431
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1432 // Perform conversion
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1433 for (int yc = 0; yc < dst->height; yc++)
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1434 {
1919
f0225a52afce Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1918
diff changeset
1435 Uint8 *dp = dst->data + (yc * dst->pitch);
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1436 for (int xc = 0; xc < dst->width; xc++, dp++)
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1437 {
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1438 int res;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1439 if ((res = getPixel(dp, src, xc, yc)) != DMERR_OK)
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1440 return res;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1441 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1442 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1443
508
1ed5025c2538 Return DMLIB error values instead of arbitrary 0/negatives.
Matti Hamalainen <ccr@tnsp.org>
parents: 507
diff changeset
1444 return DMERR_OK;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1445 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1446
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1447
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1448 int dmC64ConvertBMP2Image(DMImage **pdst, const DMC64Image *src,
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1449 const DMC64ImageFormat *fmt, const DMC64ImageConvSpec *spec)
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1450 {
940
ff18d2511843 Remove the doubleMC madness completely. Should be replaced with x/y aspect
Matti Hamalainen <ccr@tnsp.org>
parents: 939
diff changeset
1451 int res;
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1452 DMImage *dst;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1453
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1454 if (pdst == NULL || src == NULL || fmt == NULL || spec == NULL)
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1455 return DMERR_NULLPTR;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1456
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1457 // Allocate image structure
1947
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1944
diff changeset
1458 if ((*pdst = dst = dmImageAlloc(
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1944
diff changeset
1459 src->fmt->width, src->fmt->height, DM_COLFMT_PALETTE, -1)) == NULL)
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1460 return DMERR_MALLOC;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1461
1426
4c7b456d7f0b Rename global dmC64Palette to dmDefaultC64Palette.
Matti Hamalainen <ccr@tnsp.org>
parents: 1425
diff changeset
1462 // Set partial palette information
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2061
diff changeset
1463 if ((res = dmSetDefaultC64Palette(dst)) != DMERR_OK)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2061
diff changeset
1464 return res;
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1465
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1466 // Convert
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1467 if (fmt->format->convertFrom != NULL)
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1468 res = fmt->format->convertFrom(dst, src, fmt, spec);
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1469 else
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1470 res = dmC64ConvertGenericBMP2Image(dst, src, fmt, spec);
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1471
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1472 return res;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1473 }
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1474
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1475
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1476 int dmC64DecodeBMP(DMC64Image **img, const DMGrowBuf *buf,
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1477 const size_t probeOffs, const size_t loadOffs,
516
6f141f760c54 Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 515
diff changeset
1478 const DMC64ImageFormat **fmt, const DMC64ImageFormat *forced)
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1479 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1480 DMGrowBuf tmp;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1481
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1482 if (img == NULL || buf == NULL)
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1483 return DMERR_NULLPTR;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1484
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1485 // Check for forced format
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1486 if (forced != NULL)
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1487 *fmt = forced;
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1488 else
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1489 {
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1490 // Nope, perform a generic probe
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1491 if (probeOffs >= buf->len)
1460
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1492 return DMERR_OUT_OF_DATA;
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1493
1747
5e928618fdc8 Change DMGrowBuf API somewhat and implement more copy operations.
Matti Hamalainen <ccr@tnsp.org>
parents: 1744
diff changeset
1494 dmGrowBufConstCopyOffs(&tmp, buf, probeOffs);
1780
5ea4713e9e0f Change c64 format probing API to use DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1775
diff changeset
1495 if (dmC64ProbeBMP(&tmp, fmt) == DM_PROBE_SCORE_FALSE)
1460
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1496 return DMERR_NOT_SUPPORTED;
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1497 }
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1498
1710
1f0fac3af8e3 Use buf->len instead of tmp.len, as it might not be initialized.
Matti Hamalainen <ccr@tnsp.org>
parents: 1707
diff changeset
1499 if (loadOffs >= buf->len)
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1500 return DMERR_INVALID_ARGS;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1501
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1502 if (*fmt == NULL)
1548
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1503 return DMERR_NOT_SUPPORTED;
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1504
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1505 // Format supports only reading?
1548
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1506 if (((*fmt)->flags & DM_FMT_RD) == 0)
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1507 return DMERR_NOT_SUPPORTED;
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1508
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1509 // Allocate memory
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
1510 if ((*img = dmC64ImageAlloc(*fmt)) == NULL)
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1511 return DMERR_MALLOC;
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1512
1747
5e928618fdc8 Change DMGrowBuf API somewhat and implement more copy operations.
Matti Hamalainen <ccr@tnsp.org>
parents: 1744
diff changeset
1513 dmGrowBufConstCopyOffs(&tmp, buf, loadOffs);
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1514
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1515 // Decode the bitmap to memory layout
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1516 if ((*fmt)->decode != NULL)
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1517 return (*fmt)->decode(*img, &tmp, *fmt);
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1518 else
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1519 return dmC64DecodeGenericBMP(*img, &tmp, *fmt);
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1520 }
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1521
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1522
2109
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1523 int dmC64MemBlockAllocSubj(DMC64Image *img, const int subject, const int bank)
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1524 {
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1525 const char *subjname = dmC64GetOpSubjectName(subject);
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1526 size_t size = dmC64GetSubjectSize(subject, img->fmt);
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1527 DMC64MemBlock *blk = (DMC64MemBlock *) dmC64GetOpMemBlock(img, subject, bank);
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1528 int res;
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1529
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1530 if ((res = dmC64MemBlockAlloc(blk, size)) != DMERR_OK)
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1531 {
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1532 return dmError(res,
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1533 "Could not allocate '%s' block with size %d bytes.\n",
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1534 subjname, size);
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1535 }
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1536
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1537 return DMERR_OK;
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1538 }
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1539
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1540
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1541 // Convert a generic bitmap image to DMC64Image
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1542 int dmC64ConvertGenericImage2BMP(DMC64Image *dst, const DMImage *src,
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1543 const DMC64ImageFormat *fmt, const DMC64ImageConvSpec *spec)
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1544 {
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1545 if (dst == NULL || src == NULL || fmt == NULL || spec == NULL)
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1546 return DMERR_NULLPTR;
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1547
1949
f8e2728c1b7f Return DMERR_NOT_SUPPORTED from dmC64ConvertGenericImage2BMP() as it does
Matti Hamalainen <ccr@tnsp.org>
parents: 1947
diff changeset
1548 return DMERR_NOT_SUPPORTED;
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1549 }
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1550
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1551
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1552 int dmC64ConvertImage2BMP(DMC64Image **pdst, const DMImage *src,
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1553 const DMC64ImageFormat *fmt, const DMC64ImageConvSpec *spec)
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1554 {
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1555 int res;
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1556 DMC64Image *dst;
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1557
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1558 if (pdst == NULL || src == NULL)
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1559 return DMERR_NULLPTR;
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1560
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1561 // Allocate the basic C64 bitmap image structure
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1562 if ((*pdst = dst = dmC64ImageAlloc(fmt)) == NULL)
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1563 return DMERR_MALLOC;
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1564
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1565 // Convert
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1566 if (fmt->format->convertTo != NULL)
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1567 res = fmt->format->convertTo(dst, src, fmt, spec);
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1568 else
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1569 res = dmC64ConvertGenericImage2BMP(dst, src, fmt, spec);
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1570
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1571 return res;
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1572 }
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1573
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1574
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1575 int dmC64EncodeBMP(DMGrowBuf *buf, const DMC64Image *img, const DMC64ImageFormat *fmt)
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1576 {
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1577 int res;
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1578
1580
72f809e6eb3c Add NULL check for growbuf pointer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1573
diff changeset
1579 if (buf == NULL || img == NULL || fmt == NULL)
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1580 return DMERR_NULLPTR;
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1581
1548
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1582 if ((fmt->flags & DM_FMT_WR) == 0)
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1583 return DMERR_NOT_SUPPORTED;
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1584
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1585 // Allocate a buffer
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1586 if ((res = dmGrowBufAlloc(buf, BUF_SIZE_INITIAL, BUF_SIZE_GROW)) != DMERR_OK)
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1587 goto err;
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1588
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1589 // Add the loading address
1828
6e1dd79c6bce Use dmGrowBufPutU16LE() instead of two dmGrowBufPutU8() to push the loading
Matti Hamalainen <ccr@tnsp.org>
parents: 1827
diff changeset
1590 if (!dmGrowBufPutU16LE(buf, fmt->addr))
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1591 goto err;
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1592
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1593 // Attempt to encode the image to a buffer
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1594 if (fmt->encode != NULL)
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1595 res = fmt->encode(buf, img, fmt);
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1596 else
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1597 res = dmC64EncodeGenericBMP(FALSE, buf, img, fmt);
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1598
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1599 if (res != DMERR_OK)
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1600 goto err;
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1601
1797
5204fab92c9e If the c64 image format has a set size and our buffer after encoding in
Matti Hamalainen <ccr@tnsp.org>
parents: 1790
diff changeset
1602 // Finally, if the format has a set size and our buffer is smaller
5204fab92c9e If the c64 image format has a set size and our buffer after encoding in
Matti Hamalainen <ccr@tnsp.org>
parents: 1790
diff changeset
1603 // than that size, we grow the buffer to match (with zeroed data).
5204fab92c9e If the c64 image format has a set size and our buffer after encoding in
Matti Hamalainen <ccr@tnsp.org>
parents: 1790
diff changeset
1604 // This accounts for format variants that are otherwise identical.
5204fab92c9e If the c64 image format has a set size and our buffer after encoding in
Matti Hamalainen <ccr@tnsp.org>
parents: 1790
diff changeset
1605 if (fmt->size > 0 && buf->len < fmt->size &&
5204fab92c9e If the c64 image format has a set size and our buffer after encoding in
Matti Hamalainen <ccr@tnsp.org>
parents: 1790
diff changeset
1606 !dmGrowBufCheckGrow(buf, fmt->size))
5204fab92c9e If the c64 image format has a set size and our buffer after encoding in
Matti Hamalainen <ccr@tnsp.org>
parents: 1790
diff changeset
1607 {
5204fab92c9e If the c64 image format has a set size and our buffer after encoding in
Matti Hamalainen <ccr@tnsp.org>
parents: 1790
diff changeset
1608 res = DMERR_MALLOC;
5204fab92c9e If the c64 image format has a set size and our buffer after encoding in
Matti Hamalainen <ccr@tnsp.org>
parents: 1790
diff changeset
1609 goto err;
5204fab92c9e If the c64 image format has a set size and our buffer after encoding in
Matti Hamalainen <ccr@tnsp.org>
parents: 1790
diff changeset
1610 }
5204fab92c9e If the c64 image format has a set size and our buffer after encoding in
Matti Hamalainen <ccr@tnsp.org>
parents: 1790
diff changeset
1611
1469
0046b4e1b35f Various fixes in bmp encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1467
diff changeset
1612 return DMERR_OK;
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1613
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1614 err:
1799
708d333734f9 Comment.
Matti Hamalainen <ccr@tnsp.org>
parents: 1797
diff changeset
1615 // In error case, free the buffer
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1616 dmGrowBufFree(buf);
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1617 return res;
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1618 }
1774
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1619
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1620
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1621 // Perform probing of the given data buffer, trying to determine
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1622 // if it contains a supported "C64" image format. Returns the
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1623 // "probe score", see libgfx.h for list of values. If a match
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1624 // is found, pointer to format description is set to *pfmt.
1780
5ea4713e9e0f Change c64 format probing API to use DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1775
diff changeset
1625 int dmC64ProbeBMP(const DMGrowBuf *buf, const DMC64ImageFormat **pfmt)
1774
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1626 {
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1627 int scoreMax = DM_PROBE_SCORE_FALSE, scoreIndex = -1;
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1628
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1629 for (int i = 0; i < ndmC64ImageFormats; i++)
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1630 {
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1631 const DMC64ImageFormat *fmt = &dmC64ImageFormats[i];
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1632 int score = DM_PROBE_SCORE_FALSE;
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1633 if (fmt->probe == NULL && fmt->size > 0 && fmt->addr > 0)
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1634 {
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1635 // Generic probe just checks matching size and load address
1780
5ea4713e9e0f Change c64 format probing API to use DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1775
diff changeset
1636 if (buf->len == fmt->size && dmCompareAddr16(buf, 0, fmt->addr))
1774
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1637 score = DM_PROBE_SCORE_GOOD;
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1638 }
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1639 else
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1640 if (fmt->probe != NULL)
1780
5ea4713e9e0f Change c64 format probing API to use DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1775
diff changeset
1641 score = fmt->probe(buf, fmt);
1774
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1642
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1643 if (score > scoreMax)
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1644 {
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1645 scoreMax = score;
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1646 scoreIndex = i;
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1647 }
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1648 }
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1649
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1650 if (scoreIndex >= 0)
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1651 {
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1652 *pfmt = &dmC64ImageFormats[scoreIndex];
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1653 return scoreMax;
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1654 }
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1655 else
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1656 return DM_PROBE_SCORE_FALSE;
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1657 }
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1658
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1659
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1660 void dmC64InitializeFormats(void)
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1661 {
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1662 for (int i = 0; i < ndmC64ImageFormats; i++)
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1663 {
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1664 DMC64ImageFormat *fmt = &dmC64ImageFormats[i];
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1665 if (fmt->format == NULL)
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1666 fmt->format = &fmt->formatDef;
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1667 }
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1668 }