annotate tools/lib64gfx.c @ 2140:b8491ee3cf24

Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
author Matti Hamalainen <ccr@tnsp.org>
date Sat, 01 Jun 2019 03:18:01 +0300
parents 6528a1398e8e
children 735b55414a1e
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1 /*
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2 * Functions for reading and converting various restricted
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3 * C64/etc and/or indexed/paletted graphics formats.
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4 * Programmed and designed by Matti 'ccr' Hamalainen
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5 * (C) Copyright 2012-2019 Tecnic Software productions (TNSP)
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6 *
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7 * Please read file 'COPYING' for information on license and distribution.
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8 */
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9 #include "lib64gfx.h"
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10
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11 #define BUF_SIZE_INITIAL (16*1024)
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12 #define BUF_SIZE_GROW (4*1024)
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13
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14
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15 // Based on Pepto's palette, stolen from VICE
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16 DMColor dmDefaultC64Palette[D64_NCOLORS] =
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17 {
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18 { 0x00, 0x00, 0x00, 0xff },
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19 { 0xFF, 0xFF, 0xFF, 0xff },
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20 { 0x68, 0x37, 0x2B, 0xff },
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21 { 0x70, 0xA4, 0xB2, 0xff },
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22 { 0x6F, 0x3D, 0x86, 0xff },
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23 { 0x58, 0x8D, 0x43, 0xff },
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24 { 0x35, 0x28, 0x79, 0xff },
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25 { 0xB8, 0xC7, 0x6F, 0xff },
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26 { 0x6F, 0x4F, 0x25, 0xff },
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27 { 0x43, 0x39, 0x00, 0xff },
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28 { 0x9A, 0x67, 0x59, 0xff },
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29 { 0x44, 0x44, 0x44, 0xff },
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30 { 0x6C, 0x6C, 0x6C, 0xff },
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31 { 0x9A, 0xD2, 0x84, 0xff },
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32 { 0x6C, 0x5E, 0xB5, 0xff },
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33 { 0x95, 0x95, 0x95, 0xff },
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34 };
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35
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36
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37 char * dmC64GetImageTypeString(char *buf, const size_t len, const int type, const BOOL lng)
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38 {
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39 static const char *fmtModesShort[] = { "ERROR", "HiR", "MC", "ECM" };
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40 static const char *fmtModesLong[] = { "ERROR", "HiRes", "MultiColor", "Extended Color Mode" };
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41 size_t nfmt = type & D64_FMT_MASK;
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42
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43 if (nfmt >= sizeof(fmtModesShort) / sizeof(fmtModesShort[0]))
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44 nfmt = 0;
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45
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46 snprintf(buf, len,
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47 "%s %s%s%s",
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48 lng ? fmtModesLong[nfmt] : fmtModesShort[nfmt],
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49 (type & D64_FMT_ILACE) ? (lng ? "Interlaced " : "ILace ") : "",
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50 (type & D64_FMT_FLI) ? "FLI " : "",
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51 (type & D64_FMT_CHAR) ? "CHAR" : ""
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52 );
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53
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54 return buf;
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55 }
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56
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57
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58 void dmC64ImageDump(FILE *fh, const DMC64Image *img, const DMC64ImageFormat *fmt, const char *indent)
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59 {
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60 char typeStr[64];
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61
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62 if (fmt != NULL)
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63 {
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64 fprintf(fh,
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65 "%sFormat : %s [%s]\n",
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66 indent, fmt->name, fmt->fext);
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67 }
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68
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69 if (img != NULL)
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70 {
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71 dmC64GetImageTypeString(typeStr, sizeof(typeStr), img->fmt->type, TRUE);
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72
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73 fprintf(fh,
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74 "%sType : %s\n"
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75 "%sBanks : %d\n",
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76 indent, typeStr,
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77 indent, img->nbanks);
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78
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79 if (img->fmt->type & D64_FMT_ILACE)
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80 {
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81 char *tmps;
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82 switch (img->laceType)
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83 {
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84 case D64_ILACE_COLOR: tmps = "color"; break;
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85 case D64_ILACE_RES: tmps = "resolution"; break;
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86 default: tmps = "ERROR"; break;
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87 }
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88 fprintf(fh,
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89 "%sInterlace type : %s\n",
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90 indent, tmps);
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91 }
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92
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93 fprintf(fh,
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94 "%sWidth x Height : %d x %d\n"
1981
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95 "%sCHwidth x CHheight : %d x %d\n"
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96 "%sd020 / border : %d ($%02x)\n"
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97 "%sd021 / background : %d ($%02x)\n",
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98 indent, img->fmt->width, img->fmt->height,
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99 indent, img->fmt->chWidth, img->fmt->chHeight,
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100 indent, img->d020, img->d020,
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101 indent, img->bgcolor, img->bgcolor);
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102 }
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103 else
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104 if (fmt != NULL)
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105 {
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106 dmC64GetImageTypeString(typeStr, sizeof(typeStr), fmt->format->type, TRUE);
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107 fprintf(fh,
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108 "%sType : %s\n"
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109 "%sWidth x Height : %d x %d\n"
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110 "%sCHwidth x CHheight : %d x %d\n",
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111 indent, typeStr,
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112 indent, fmt->format->width, fmt->format->height,
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113 indent, fmt->format->chWidth, fmt->format->chHeight);
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114 }
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115 }
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116
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117
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118 int dmSetDefaultC64Palette(DMImage *img)
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119 {
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120 int res;
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121
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122 // Free previous palette
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123 if (!img->constpal)
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124 dmPaletteFree(img->pal);
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125
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Matti Hamalainen <ccr@tnsp.org>
parents: 2128
diff changeset
126 img->constpal = FALSE;
781b1d63109a Free previously allocated palette in the image palette allocation functions if it
Matti Hamalainen <ccr@tnsp.org>
parents: 2128
diff changeset
127
781b1d63109a Free previously allocated palette in the image palette allocation functions if it
Matti Hamalainen <ccr@tnsp.org>
parents: 2128
diff changeset
128 // Allocate new
2125
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2122
diff changeset
129 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
130 return res;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2061
diff changeset
131
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2061
diff changeset
132 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
133
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2061
diff changeset
134 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
135 }
dcff9ac95d3f Add function to set DMImage's palette to default C64 palette and use it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1456
diff changeset
136
dcff9ac95d3f Add function to set DMImage's palette to default C64 palette and use it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1456
diff changeset
137
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
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parents: 2061
diff changeset
138 int dmSetMixedColorC64Palette(DMImage *img)
1732
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
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parents: 1731
diff changeset
139 {
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2061
diff changeset
140 int res;
2131
781b1d63109a Free previously allocated palette in the image palette allocation functions if it
Matti Hamalainen <ccr@tnsp.org>
parents: 2128
diff changeset
141
781b1d63109a Free previously allocated palette in the image palette allocation functions if it
Matti Hamalainen <ccr@tnsp.org>
parents: 2128
diff changeset
142 // Free previous palette
781b1d63109a Free previously allocated palette in the image palette allocation functions if it
Matti Hamalainen <ccr@tnsp.org>
parents: 2128
diff changeset
143 if (!img->constpal)
781b1d63109a Free previously allocated palette in the image palette allocation functions if it
Matti Hamalainen <ccr@tnsp.org>
parents: 2128
diff changeset
144 dmPaletteFree(img->pal);
781b1d63109a Free previously allocated palette in the image palette allocation functions if it
Matti Hamalainen <ccr@tnsp.org>
parents: 2128
diff changeset
145
781b1d63109a Free previously allocated palette in the image palette allocation functions if it
Matti Hamalainen <ccr@tnsp.org>
parents: 2128
diff changeset
146 img->constpal = FALSE;
781b1d63109a Free previously allocated palette in the image palette allocation functions if it
Matti Hamalainen <ccr@tnsp.org>
parents: 2128
diff changeset
147
781b1d63109a Free previously allocated palette in the image palette allocation functions if it
Matti Hamalainen <ccr@tnsp.org>
parents: 2128
diff changeset
148 // Allocate new
2125
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2122
diff changeset
149 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
150 return res;
1732
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
151
2131
781b1d63109a Free previously allocated palette in the image palette allocation functions if it
Matti Hamalainen <ccr@tnsp.org>
parents: 2128
diff changeset
152 for (int n1 = 0, n = 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
153 {
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
154 const DMColor *col1 = &dmDefaultC64Palette[n1];
2125
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2122
diff changeset
155 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
156 {
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
157 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
158 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
159 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
160 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
161 n++;
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
162 }
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
163 }
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
164
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2061
diff changeset
165 return DMERR_OK;
1732
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
166 }
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
167
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
168
1780
5ea4713e9e0f Change c64 format probing API to use DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1775
diff changeset
169 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
170 {
1780
5ea4713e9e0f Change c64 format probing API to use DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1775
diff changeset
171 return
5ea4713e9e0f Change c64 format probing API to use DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1775
diff changeset
172 offs + 1 < buf->len &&
1923
42cd527a01b9 Remove mostly unused DM_GET_ADDR_{LO,HI} macros.
Matti Hamalainen <ccr@tnsp.org>
parents: 1922
diff changeset
173 buf->data[offs ] == (addr & 0xff) &&
42cd527a01b9 Remove mostly unused DM_GET_ADDR_{LO,HI} macros.
Matti Hamalainen <ccr@tnsp.org>
parents: 1922
diff changeset
174 buf->data[offs + 1] == ((addr >> 8) & 0xff);
1381
b6782b785457 Move things around a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1380
diff changeset
175 }
b6782b785457 Move things around a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1380
diff changeset
176
b6782b785457 Move things around a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1380
diff changeset
177
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
178 int dmC64ImageGetNumBanks(const DMC64ImageFormat *fmt)
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
179 {
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
180 int nbanks = 0;
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
181 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
182 {
1591
3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1588
diff changeset
183 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
184 if (op->type == DO_LAST)
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
185 break;
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
186
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
187 if (op->bank > nbanks)
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
188 nbanks = op->bank;
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
189 }
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
190
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
191 return nbanks + 1;
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
192 }
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
193
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
194
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
195 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
196 {
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
197 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
198 return DMERR_MALLOC;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
199
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
200 blk->size = size;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
201 return DMERR_OK;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
202 }
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
203
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
204
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
205 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
206 {
1851
cfc7046fb176 Reallocate buffer only if the new size is larger in dmC64MemBlockReAlloc().
Matti Hamalainen <ccr@tnsp.org>
parents: 1846
diff changeset
207 // 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
208 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
209 return DMERR_OK;
cfc7046fb176 Reallocate buffer only if the new size is larger in dmC64MemBlockReAlloc().
Matti Hamalainen <ccr@tnsp.org>
parents: 1846
diff changeset
210
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
211 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
212 return DMERR_MALLOC;
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
213
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
214 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
215
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
216 blk->size = size;
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
217 return DMERR_OK;
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
218 }
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
219
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
220
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
221 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
222 {
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
223 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
224 {
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
225 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
226 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
227 return DMERR_MALLOC;
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 memcpy(dst->data, src->data, src->size);
1824
adf9f05c26e1 Improve error handling of dmC64MemBlockCopy().
Matti Hamalainen <ccr@tnsp.org>
parents: 1822
diff changeset
230 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
231 }
1824
adf9f05c26e1 Improve error handling of dmC64MemBlockCopy().
Matti Hamalainen <ccr@tnsp.org>
parents: 1822
diff changeset
232 else
adf9f05c26e1 Improve error handling of dmC64MemBlockCopy().
Matti Hamalainen <ccr@tnsp.org>
parents: 1822
diff changeset
233 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
234 }
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
235
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
236
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
237 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
238 {
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
239 if (blk != NULL)
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
240 {
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
241 dmFreeR(&blk->data);
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
242 blk->size = 0;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
243 }
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
244 }
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
245
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
246
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
247 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
248 {
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
249 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
250
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
251 if (img == NULL)
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
252 return NULL;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
253
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
254 // Initialize image information
1947
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1944
diff changeset
255 img->fmt = fmt->format;
1491
b329fea6f013 Reindent polishing.
Matti Hamalainen <ccr@tnsp.org>
parents: 1489
diff changeset
256 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
257
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
258 // Allocate banks
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
259 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
260 (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
261 (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
262 (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
263 goto err;
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
264
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
265 return img;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
266
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
267 err:
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
268 dmC64ImageFree(img);
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
269 return NULL;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
270 }
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
271
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
272
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
273 void dmC64ImageFree(DMC64Image *img)
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
274 {
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
275 if (img != NULL)
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
276 {
1462
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
277 // Free the allocated areas
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
278 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
279 {
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
280 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
281 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
282 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
283 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
284 }
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
285
1462
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
286 // 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
287 dmFree(img->color);
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
288 dmFree(img->bitmap);
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
289 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
290 dmFree(img->charData);
1462
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
291
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
292 // Extra data ..
2125
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2122
diff changeset
293 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
294 dmC64MemBlockFree(&img->extraData[i]);
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
295
1167
848a88ce7a57 Use dmMemset().
Matti Hamalainen <ccr@tnsp.org>
parents: 1134
diff changeset
296 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
297 dmFree(img);
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
298 }
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
299 }
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
300
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
301
827
c8beac5313c3 Rename a function.
Matti Hamalainen <ccr@tnsp.org>
parents: 812
diff changeset
302 int dmC64ConvertCSDataToImage(DMImage *img,
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
303 int xoffs, int yoffs, const Uint8 *buf,
915
ba6b210c9bf4 Cosmetic.
Matti Hamalainen <ccr@tnsp.org>
parents: 912
diff changeset
304 int width, int height, BOOL multicolor,
ba6b210c9bf4 Cosmetic.
Matti Hamalainen <ccr@tnsp.org>
parents: 912
diff changeset
305 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
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 int yc, widthpx = width * 8;
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
308 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
309
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
310 if (img == NULL)
517
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
311 return DMERR_NULLPTR;
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
312
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
313 if (xoffs < 0 || yoffs < 0 ||
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
314 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
315 yoffs > img->height - height)
517
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
316 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
317
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
318 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
319
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
320 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
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 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
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 const int offs = yc * width;
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
325 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
326
1875
b052754a1a23 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1858
diff changeset
327 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
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 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
330 const int v = 6 - ((xc * 2) & 6);
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
331 const Uint8 c = colors[(b >> v) & 3];
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
332
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 *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
334 *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
335 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
336
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
337 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
338 }
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 else
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
341 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
342 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
343 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
344 const int offs = yc * width;
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
345 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
346
1875
b052754a1a23 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1858
diff changeset
347 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
348 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
349 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
350 const int v = 7 - (xc & 7);
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
351 const Uint8 c = colors[(b >> v) & 1];
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
352
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
353 *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
354 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
355
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
356 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
357 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
358 }
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
359
517
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
360 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
361 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
362
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
363
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
364 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
365 {
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
366 #define DM_STAT_MAX 256
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
367 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
368
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
369 // Allocate statistics counts buffer
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
370 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
371 return;
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
372
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
373 // 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
374 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
375 stats[buf->data[offs]]++;
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
376
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
377 // 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
378 switch (cfg->type)
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
379 {
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
380 case DM_COMP_RLE_MARKER:
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
381 {
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
382 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
383 smallest = buf->len;
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
384
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
385 // 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
386 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
387 {
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
388 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
389 {
1821
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
390 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
391 {
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
392 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
393 cfg->rleMarkerW = selected;
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
394 cfg->rleMarkerB = selected = n;
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
395 break;
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
396
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
397 case DM_RLE_BYTE_RUNS:
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
398 cfg->rleMarkerB = selected = n;
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
399 break;
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
400
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
401 case DM_RLE_WORD_RUNS:
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
402 cfg->rleMarkerW = selected = n;
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
403 break;
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
404 }
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
405 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
406 }
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
407 }
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
408 }
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
409 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
410
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
411 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
412 cfg->rleMarkerMask = 0xC0;
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
413 cfg->rleMarkerBits = 0xC0;
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
414 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
415 break;
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
416 }
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
417
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
418 dmFree(stats);
1503
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1501
diff changeset
419 }
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1501
diff changeset
420
2140
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
421
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
422 //#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
423
1713
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
424 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
425 {
2140
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
426 if (src != NULL && (cfg->flags & DM_RLE_BACKWARDS_INPUT))
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
427 {
1831
ce1a734b016f Change the logic of how DMGrowBuf works in "backwards" growing mode. Adjust
Matti Hamalainen <ccr@tnsp.org>
parents: 1828
diff changeset
428 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
429 src->backwards = TRUE;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
430 }
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
431
2140
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
432 if (dst != NULL && (cfg->flags & DM_RLE_BACKWARDS_OUTPUT))
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
433 {
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
434 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
435 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
436 }
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
437
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
438 #ifdef RLE_DEBUG
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
439 fprintf(stderr, "dmSetupRLEBuffers:\n");
2140
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
440 if (src != NULL)
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
441 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);
2140
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
442 if (dst != NULL)
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
443 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
444 fprintf(stderr, "------------------\n");
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
445 #endif
1718
bed88d17f28c Fix a commit blunder here ..
Matti Hamalainen <ccr@tnsp.org>
parents: 1717
diff changeset
446 }
bed88d17f28c Fix a commit blunder here ..
Matti Hamalainen <ccr@tnsp.org>
parents: 1717
diff changeset
447
bed88d17f28c Fix a commit blunder here ..
Matti Hamalainen <ccr@tnsp.org>
parents: 1717
diff changeset
448
1713
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
449 void dmFinishRLEBuffers(DMGrowBuf *dst, DMGrowBuf *src, const DMCompParams *cfg)
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
450 {
1741
6f1313c761aa Actually fix the warnings .. sigh.
Matti Hamalainen <ccr@tnsp.org>
parents: 1740
diff changeset
451 (void) src;
6f1313c761aa Actually fix the warnings .. sigh.
Matti Hamalainen <ccr@tnsp.org>
parents: 1740
diff changeset
452
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
453 #ifdef RLE_DEBUG
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
454 fprintf(stderr, "------------------\n");
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
455 fprintf(stderr, "dmFinishRLEBuffers:\n");
2140
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
456 if (src != NULL)
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
457 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);
2140
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
458 if (dst != NULL)
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
459 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
460 #endif
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
461
2140
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
462 if (dst != NULL)
1720
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
463 {
2140
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
464 if (cfg->flags & DM_RLE_BACKWARDS_OUTPUT)
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
465 {
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
466 memmove(dst->data, dst->data + dst->offs, dst->len);
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
467 dst->offs = 0;
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
468 }
1720
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
469
2140
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
470 switch (cfg->flags & DM_OUT_CROP_MASK)
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
471 {
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
472 case DM_OUT_CROP_END:
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
473 if (cfg->cropOutLen < dst->len)
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
474 {
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
475 memmove(dst->data, dst->data + dst->len - cfg->cropOutLen, cfg->cropOutLen);
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
476 dst->len = cfg->cropOutLen;
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
477 }
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
478 break;
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
479
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
480 case DM_OUT_CROP_START:
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
481 if (cfg->cropOutLen <= dst->len)
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
482 dst->len = cfg->cropOutLen;
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
483 break;
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
484 }
1720
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
485 }
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
486
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
487 #ifdef RLE_DEBUG
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
488 fprintf(stderr, "ADJUSTED:\n");
2140
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
489 if (src != NULL)
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
490 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);
2140
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
491 if (dst != NULL)
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
492 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
493 #endif
1713
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
494 }
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
495
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
496
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
497 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
498 {
1944
d9a0a4bccf5d Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1933
diff changeset
499 for (unsigned int scount = count; scount; scount--)
1713
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
500 {
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
501 if (!dmGrowBufPutU8(dst, data))
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
502 {
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
503 return dmError(DMERR_MALLOC,
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
504 "%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
505 "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
506 cfg->func, count, data, dst->offs, dst->size);
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
507 }
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
508 }
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
509 return DMERR_OK;
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
510 }
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
511
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
512
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
513 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
514 {
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
515 int res;
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
516 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
517 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
518
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
519 // 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
520 // 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
521 dmGrowBufConstCopy(&src, psrc);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
522 dmSetupRLEBuffers(dst, &src, cfg);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
523
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
524 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
525 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
526 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
527
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
528 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
529 {
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
530 // A simple marker byte RLE variant: [Marker] [count] [data]
1744
e40227e994e2 Fix unitialized data accesses.
Matti Hamalainen <ccr@tnsp.org>
parents: 1741
diff changeset
531 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
532 {
1750
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
533 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
534 {
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
535 #ifdef RLE_DEBUG
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
536 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
537 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
538 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
539 #endif
1727
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
540 res = dmError(DMERR_INVALID_DATA,
1750
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
541 "%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
542 cfg->func);
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
543 goto out;
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
544 }
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
545 if (!dmGrowBufGetU8(&src, &tmp2))
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
546 {
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
547 #ifdef RLE_DEBUG
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
548 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
549 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
550 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
551 #endif
1750
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
552 res = dmError(DMERR_INVALID_DATA,
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
553 "%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
554 cfg->func);
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
555 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
556 }
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
557 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
558 {
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 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
560 count = tmp1;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
561 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
562 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
563
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
564 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
565 data = tmp1;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
566 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
567 break;
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
568 }
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
569
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
570 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
571 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
572 }
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
573 else
1744
e40227e994e2 Fix unitialized data accesses.
Matti Hamalainen <ccr@tnsp.org>
parents: 1741
diff changeset
574 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
575 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
576 if (!dmGrowBufGetU8(&src, &tmp1) ||
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
577 !dmGrowBufGetU8(&src, &tmp2) ||
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
578 !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
579 {
1727
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
580 res = dmError(DMERR_INVALID_DATA,
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
581 "%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
582 cfg->func);
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
583 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
584 }
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
585 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
586 {
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
587 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
588 count = (tmp2 << 8) | tmp1;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
589 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
590 break;
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
591
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
592 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
593 data = tmp1;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
594 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
595 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
596 }
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
597
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
598 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
599 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
600 }
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
601 }
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
602 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
603 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
604 {
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
605 // 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
606 // 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
607 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
608 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
609 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
610 {
1727
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
611 res = dmError(DMERR_INVALID_DATA,
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
612 "%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
613 cfg->func);
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
614 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
615 }
1466
bc75be0546fc More work on RLE decoder/encoder changes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1465
diff changeset
616
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
617 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
618 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
619 }
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
620 }
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
621
1715
c0c6fd8b288a Use dmGenericRLEOutputRun().
Matti Hamalainen <ccr@tnsp.org>
parents: 1713
diff changeset
622 if ((res = dmGenericRLEOutputRun(dst, cfg, data, count)) != DMERR_OK)
c0c6fd8b288a Use dmGenericRLEOutputRun().
Matti Hamalainen <ccr@tnsp.org>
parents: 1713
diff changeset
623 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
624 }
523
d0c0c6baeb57 Split the RLE decoding from DrazPaint/Lace and Amica paint decoders to a
Matti Hamalainen <ccr@tnsp.org>
parents: 519
diff changeset
625
1717
7de37c01dbd4 Use dmFinishRLEBuffers() in dmDecodeGenericRLE()
Matti Hamalainen <ccr@tnsp.org>
parents: 1716
diff changeset
626 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
627 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
628
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
629 out:
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
630 return res;
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
631 }
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
632
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
633
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
634 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
635 {
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
636 int res;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
637 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
638 return res;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
639
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
640 return dmDecodeGenericRLE(dst, src, cfg);
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
641 }
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
642
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
643
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
644 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
645 {
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
646 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
647 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
648
3265175b24d2 Change the passing of RLE compression/decompression parameters to be in a dedicated struct.
Matti Hamalainen <ccr@tnsp.org>
parents: 1503
diff changeset
649 switch (cfg->type)
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
650 {
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
651 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
652 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
653 (count >= cfg->rleMinCountW || data == cfg->rleMarkerW))
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
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 == 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
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->rleMarkerW))
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;
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
661 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
662 {
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
663 case DM_RLE_ORDER_1:
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
664 if (!dmGrowBufPutU16LE(dst, count) ||
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
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;
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
667 break;
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
668
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
669 case DM_RLE_ORDER_2:
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
670 if (!dmGrowBufPutU8(dst, data) ||
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
671 !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
672 goto err;
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
673 break;
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
674 }
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
675 }
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
676 else
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
677 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
678 (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
679 {
1818
7bafe5f0998d Implement DM_RLE_ZERO_COUNT_MAX support in the generic RLE compressor.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
680 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
681 count = 0;
7bafe5f0998d Implement DM_RLE_ZERO_COUNT_MAX support in the generic RLE compressor.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
682
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
683 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
684 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
685
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
686 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
687 {
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
688 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
689 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
690 !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
691 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
692 break;
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
693
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
694 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
695 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
696 !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
697 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
698 break;
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
699 }
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
700 }
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
701 else
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
702 copyOnly = TRUE;
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
703 break;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
704
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
705 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
706 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
707 {
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
708 // 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
709 // 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
710 if (!dmGrowBufPutU8(dst, cfg->rleMarkerBits | count) ||
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
711 !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
712 goto err;
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
713 }
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
714 else
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
715 copyOnly = TRUE;
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
716 break;
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
717 }
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
718
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
719 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
720 return res;
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
721
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
722 return DMERR_OK;
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
723
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
724 err:
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
725 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
726 "%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
727 cfg->func, count, data);
1478
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
1466
bc75be0546fc More work on RLE decoder/encoder changes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1465
diff changeset
730
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
731 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
732 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
733 DMGrowBuf src;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
734 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
735 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
736 Uint8 data;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
737
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
738 // 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
739 // 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
740 dmGrowBufConstCopy(&src, psrc);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
741 dmSetupRLEBuffers(dst, &src, cfg);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
742
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
743 while (dmGrowBufGetU8(&src, &data))
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
744 {
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
745 // 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
746 // 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
747 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
748 ((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
749 (((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
750 {
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
751 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
752 goto err;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
753
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
754 count = 1;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
755 }
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
756 else
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
757 count++;
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
758
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
759 prev = data;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
760 }
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
761
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
762 // 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
763 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
764 goto err;
24b8b452925e Improve error handling of RLE encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1513
diff changeset
765
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
766 dmFinishRLEBuffers(dst, &src, cfg);
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
767
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
768 err:
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
769 return res;
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
770 }
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
771
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
772
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
773 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
774 {
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
775 int res;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
776 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
777 return res;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
778
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
779 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
780 }
d0c0c6baeb57 Split the RLE decoding from DrazPaint/Lace and Amica paint decoders to a
Matti Hamalainen <ccr@tnsp.org>
parents: 519
diff changeset
781
519
feaaf0e2ecbe Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 518
diff changeset
782
1537
776aa43b2c57 Tiny improvement in MC->FLI upconversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 1534
diff changeset
783 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
784 {
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
785 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
786 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
787 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
788 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
789 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
790 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
791 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
792 switch (op->subject)
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
793 {
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 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
795 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
796 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
797 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
798 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
799 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
800 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
801 "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
802 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
803 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
804 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
805
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
806 case DS_EXTRA_DATA:
2125
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2122
diff changeset
807 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
808 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
809 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
810 "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
811 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
812 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
813 break;
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
814 }
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
815 break;
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
816
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
817 // 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
818 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
819 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
820 case DO_LAST:
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
821 break;
510
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
822
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
823 default:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
824 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
825 "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
826 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
827 break;
510
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
828 }
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
829
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
830 return DMERR_OK;
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
831 }
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
832
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
833
1933
c5a46cb4cce5 Change DMC64ImageFormat parameter of dmC64GetSubjectSize() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1931
diff changeset
834 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
835 {
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
836 switch (subject)
927
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
837 {
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
838 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
839 case DS_COLOR_RAM:
1933
c5a46cb4cce5 Change DMC64ImageFormat parameter of dmC64GetSubjectSize() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1931
diff changeset
840 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
841 break;
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
842
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
843 case DS_BITMAP_RAM:
1933
c5a46cb4cce5 Change DMC64ImageFormat parameter of dmC64GetSubjectSize() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1931
diff changeset
844 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
845 break;
927
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
846
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
847 case DS_CHAR_DATA:
2125
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2122
diff changeset
848 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
849 break;
927
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
850
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
851 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
852 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
853 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
854 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
855 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
856 case DS_D024:
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
857 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
858 break;
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
859
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
860 default:
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
861 // Default to size of 0
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
862 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
863 break;
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
864 }
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
865 }
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
866
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
867
1933
c5a46cb4cce5 Change DMC64ImageFormat parameter of dmC64GetSubjectSize() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1931
diff changeset
868 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
869 {
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
870 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
871
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
872 // 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
873 if (op->size > size)
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
874 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
875
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
876 return size;
927
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
877 }
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
878
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
879
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
880 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
881 {
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
882 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
883 {
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
884 "Color RAM",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
885 "Bitmap RAM",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
886 "Screen RAM",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
887 "Extra data",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
888 "Character data",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
889
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
890 "d020",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
891 "d021/bgcol",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
892 "d022",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
893 "d023",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
894 "d024",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
895 };
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
896 if (subject >= 0 && subject < DS_LAST)
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
897 return subjectNames[subject];
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
898 else
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
899 return NULL;
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
900 }
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
901
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
902
2108
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
903 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
904 {
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
905 if (bank >= 0 && bank < img->nbanks)
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
906 {
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
907 switch (subject)
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
908 {
2108
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
909 case DS_COLOR_RAM : return &img->color[bank];
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
910 case DS_SCREEN_RAM : return &img->screen[bank];
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
911 case DS_BITMAP_RAM : return &img->bitmap[bank];
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
912 case DS_CHAR_DATA : return &img->charData[bank];
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
913 case DS_EXTRA_DATA : return &img->extraData[bank];
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
914 }
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
915 }
2108
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
916
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
917 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
918 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
919
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
920
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
921 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
922 {
1460
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
923 int res = DMERR_OK;
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
924
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
925 if (buf == NULL || buf->data == NULL || img == NULL || fmt == NULL)
513
486067f39bc1 Add sanity checking.
Matti Hamalainen <ccr@tnsp.org>
parents: 511
diff changeset
926 return DMERR_NULLPTR;
486067f39bc1 Add sanity checking.
Matti Hamalainen <ccr@tnsp.org>
parents: 511
diff changeset
927
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
928 // Clear the image structure, set basics
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
929 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
930
518
63849f85db57 Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 517
diff changeset
931 // Perform decoding
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
932 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
933 {
1591
3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1588
diff changeset
934 const DMC64EncDecOp *op = fmtGetEncDecOp(fmt, i);
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
935 const Uint8 *src;
1600
e28e67358ff6 Fix some uninitialized variable warnings.
Matti Hamalainen <ccr@tnsp.org>
parents: 1597
diff changeset
936 DMC64MemBlock *blk = NULL;
1853
2081bb4a998a Improve error messaging in generic c64 image encode/decode.
Matti Hamalainen <ccr@tnsp.org>
parents: 1852
diff changeset
937 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
938 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
939 Uint8 value;
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
940
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
941 // 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
942 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
943 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
944
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
945 // Check operation validity
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
946 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
947 return res;
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
948
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
949 // Is the operation inside the bounds?
1933
c5a46cb4cce5 Change DMC64ImageFormat parameter of dmC64GetSubjectSize() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1931
diff changeset
950 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
951 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
952 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
953 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
954 "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
955 "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
956 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
957 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
958 }
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
959
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
960 src = buf->data + op->offs;
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
961
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
962 // 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
963 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
964 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
965 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
966 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
967 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
968 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
969 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
970 switch (op->subject)
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
971 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
972 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
973 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
974 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
975 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
976 case DS_EXTRA_DATA:
2108
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
977 // XXX BZZZT .. a nasty cast here
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
978 blk = (DMC64MemBlock *) dmC64GetOpMemBlock(img, op->subject, op->bank);
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
979
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
980 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
981 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
982 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
983 "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
984 "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
985 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
986 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
987 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
988 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
989 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
990 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
991 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
992
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
993 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
994 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
995 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
996
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
997 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
998 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
999 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
1000
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
1001 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
1002 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
1003 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
1004
1668
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:
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
1006 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
1007 break;
1727
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
1008
1721
c9a6f1dae756 Add one default case error handler.
Matti Hamalainen <ccr@tnsp.org>
parents: 1720
diff changeset
1009 default:
c9a6f1dae756 Add one default case error handler.
Matti Hamalainen <ccr@tnsp.org>
parents: 1720
diff changeset
1010 return dmError(DMERR_INTERNAL,
c9a6f1dae756 Add one default case error handler.
Matti Hamalainen <ccr@tnsp.org>
parents: 1720
diff changeset
1011 "Unhandled op type %d in "
c9a6f1dae756 Add one default case error handler.
Matti Hamalainen <ccr@tnsp.org>
parents: 1720
diff changeset
1012 "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
1013 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
1014 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1015 break;
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1016
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1017 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
1018 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
1019 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
1020 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
1021 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
1022 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
1023 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
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 DO_COPY:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1026 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
1027 value = *src;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1028 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1029
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1030 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
1031 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
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
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
1034 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
1035 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
1036 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
1037
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
1038 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
1039 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
1040 break;
1924
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1041
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1042 default:
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1043 return dmError(DMERR_INTERNAL,
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1044 "Unhandled op type %d in "
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1045 "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
1046 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
1047 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1048 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
1049 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1050 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
1051 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
1052 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
1053 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
1054 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
1055 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
1056 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1057 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1058
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1059 default:
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1060 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
1061 "Unhandled subject %d in "
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1062 "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
1063 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
1064 }
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1065 break;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1066
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1067 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
1068 switch (op->subject)
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1069 {
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1070 case D64_CHCFG_SCREEN:
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1071 break;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1072
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1073 case D64_CHCFG_LINEAR:
1672
09adf5328510 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1668
diff changeset
1074 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
1075 {
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1076 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
1077 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
1078 }
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1079 break;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1080
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1081 default:
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1082 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
1083 "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
1084 "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
1085 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
1086 }
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1087 break;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1088
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
1089 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
1090 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
1091 (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
1092 {
2114
27cf33c3a646 Return actual error code from enc and dec functions instead of just BOOL.
Matti Hamalainen <ccr@tnsp.org>
parents: 2113
diff changeset
1093 return dmError(res,
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1094 "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
1095 "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
1096 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
1097 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1098 break;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1099 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1100 }
916
3985f596ece5 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 915
diff changeset
1101
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
1102 // 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
1103 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
1104 {
948d6fda722d Add sanity check for interlaced formats: check that the interlace type flags are set.
Matti Hamalainen <ccr@tnsp.org>
parents: 1645
diff changeset
1105 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
1106 "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
1107 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
1108 }
948d6fda722d Add sanity check for interlaced formats: check that the interlace type flags are set.
Matti Hamalainen <ccr@tnsp.org>
parents: 1645
diff changeset
1109
508
1ed5025c2538 Return DMLIB error values instead of arbitrary 0/negatives.
Matti Hamalainen <ccr@tnsp.org>
parents: 507
diff changeset
1110 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
1111 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1112
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1113
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1114 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
1115 {
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
1116 int res = DMERR_OK;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1117
1469
0046b4e1b35f Various fixes in bmp encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1467
diff changeset
1118 if (img == NULL || fmt == NULL)
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1119 return DMERR_NULLPTR;
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1120
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1121 // Allocate the output buffer if requested
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1122 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
1123 {
1472
b9d3577d8290 Improve error handling and checking.
Matti Hamalainen <ccr@tnsp.org>
parents: 1471
diff changeset
1124 dmError(res,
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1125 "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
1126 fmt->size);
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 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1129
1697
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1130 if (buf->backwards)
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1131 {
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1132 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
1133 "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
1134 goto err;
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1135 }
1506
4fd4e7a00db4 Fix handling of predefined DMGrowBuffer in dmC64EncodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents: 1505
diff changeset
1136
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1137 // Perform encoding
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
1138 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
1139 {
1591
3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1588
diff changeset
1140 const DMC64EncDecOp *op = fmtGetEncDecOp(fmt, i);
1364
0d61895e1763 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1362
diff changeset
1141 size_t size, chksize;
1600
e28e67358ff6 Fix some uninitialized variable warnings.
Matti Hamalainen <ccr@tnsp.org>
parents: 1597
diff changeset
1142 const DMC64MemBlock *blk = NULL;
1853
2081bb4a998a Improve error messaging in generic c64 image encode/decode.
Matti Hamalainen <ccr@tnsp.org>
parents: 1852
diff changeset
1143 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
1144 Uint8 value;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1145
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
1146 // 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
1147 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
1148 break;
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
1149
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
1150 // Check operation validity
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
1151 if ((res = dmC64SanityCheckEncDecOp(i, op, img)) != DMERR_OK)
1447
de5f7e31a8bf Rename labels.
Matti Hamalainen <ccr@tnsp.org>
parents: 1443
diff changeset
1152 goto err;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1153
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
1154 // 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
1155 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
1156 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
1157 if (!dmGrowBufCheckGrow(buf, chksize))
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1158 {
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
1159 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
1160 "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
1161 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
1162 goto err;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1163 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1164
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
1165 // Perform operation
1697
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1166 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
1167 switch (op->type)
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1168 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1169 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
1170 case DO_SET_MEM:
1926
f4fa11ecdc6f Add some operators case handlers.
Matti Hamalainen <ccr@tnsp.org>
parents: 1925
diff changeset
1171 case DO_SET_MEM_HI:
f4fa11ecdc6f Add some operators case handlers.
Matti Hamalainen <ccr@tnsp.org>
parents: 1925
diff changeset
1172 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
1173 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
1174 switch (op->subject)
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
1175 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1176 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
1177 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
1178 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
1179 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
1180 case DS_EXTRA_DATA:
2108
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
1181 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
1182 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
1183 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1184 case DO_COPY:
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1185 if (blk->data == NULL)
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1186 {
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1187 res = dmError(DMERR_NULLPTR,
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1188 "'%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
1189 "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
1190 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
1191 goto err;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1192 }
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
1193 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
1194 {
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1195 res = dmError(DMERR_INTERNAL,
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1196 "'%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
1197 "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
1198 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
1199 goto err;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1200 }
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
1201 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
1202 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1203
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1204 case DO_SET_MEM:
1926
f4fa11ecdc6f Add some operators case handlers.
Matti Hamalainen <ccr@tnsp.org>
parents: 1925
diff changeset
1205 case DO_SET_MEM_HI:
f4fa11ecdc6f Add some operators case handlers.
Matti Hamalainen <ccr@tnsp.org>
parents: 1925
diff changeset
1206 case DO_SET_MEM_LO:
f4fa11ecdc6f Add some operators case handlers.
Matti Hamalainen <ccr@tnsp.org>
parents: 1925
diff changeset
1207 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
1208 // 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
1209 break;
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1210
1924
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1211 default:
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1212 return dmError(DMERR_INTERNAL,
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1213 "Unhandled op type %d in "
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1214 "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
1215 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
1216 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1217 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1218
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1219 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
1220 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
1221 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
1222 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
1223 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
1224 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
1225 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
1226 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1227 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
1228 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
1229 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
1230 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
1231 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
1232 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
1233 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1234 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
1235 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1236 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
1237 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
1238 *dst = value;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1239 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1240
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
1241 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
1242 *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
1243 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
1244
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
1245 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
1246 *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
1247 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
1248
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1249 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
1250 // 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
1251 break;
1924
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1252
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1253 default:
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1254 return dmError(DMERR_INTERNAL,
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1255 "Unhandled op type %d in "
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1256 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1257 op->type, i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1258 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1259 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1260
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1261 default:
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1262 return dmError(DMERR_INTERNAL,
1853
2081bb4a998a Improve error messaging in generic c64 image encode/decode.
Matti Hamalainen <ccr@tnsp.org>
parents: 1852
diff changeset
1263 "Unhandled subject '%s' in "
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1264 "op #%d, offs=%d ($%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
1265 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
1266 }
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1267 break;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1268
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
1269 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
1270 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
1271 (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
1272 {
2114
27cf33c3a646 Return actual error code from enc and dec functions instead of just BOOL.
Matti Hamalainen <ccr@tnsp.org>
parents: 2113
diff changeset
1273 dmErrorMsg(
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1274 "Encode op custom function failed: op #%d, "
904
d3cd9f2a8ef1 Some dummy code for encfunctions.
Matti Hamalainen <ccr@tnsp.org>
parents: 903
diff changeset
1275 "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
1276 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
1277 goto err;
904
d3cd9f2a8ef1 Some dummy code for encfunctions.
Matti Hamalainen <ccr@tnsp.org>
parents: 903
diff changeset
1278 }
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1279 break;
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1280 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1281 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1282
1448
50402c225ef4 Do not insert load address to the buffer beginning in dmC64EncodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents: 1447
diff changeset
1283 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
1284
1447
de5f7e31a8bf Rename labels.
Matti Hamalainen <ccr@tnsp.org>
parents: 1443
diff changeset
1285 err:
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1286 return res;
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1287 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1288
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1289
2132
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1290 static int fmtGetGenericSCPixel(Uint8 *col, const DMC64Image *img,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1291 const int rasterX, const int rasterY)
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1292 {
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1293 DM_C64_GENERIC_SC_PIXEL_DEFS(img)
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 return dmC64GetGenericSCPixel(
2132
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1296 col, img,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1297 bmoffs, scroffs,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1298 vshift, 0, 0);
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1299 }
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1300
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1301
2132
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1302 static int fmtGetGenericMCPixel(Uint8 *col, const DMC64Image *img,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1303 const int rasterX, const int rasterY)
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1304 {
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1305 DM_C64_GENERIC_MC_PIXEL_DEFS(img)
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1306
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1307 return dmC64GetGenericMCPixel(
2132
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1308 col, img,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1309 bmoffs, scroffs,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1310 vshift, 0,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1311 0, 0, img->bgcolor);
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1312 }
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1313
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1314
2132
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1315 static int fmtGetGenericCharSCPixel(Uint8 *col, const DMC64Image *img,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1316 const int rasterX, const int rasterY)
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1317 {
2132
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1318 DM_C64_GENERIC_CHAR_PIXEL(img)
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1319 const int chr = img->screen[0].data[scroffs];
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1320
2132
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1321 return dmC64GetGenericCharSCPixel(
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1322 col, img,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1323 scroffs, rasterX,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1324 0, (chr * D64_CHR_SIZE) + (rasterY & 7), chr,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1325 0, img->bgcolor);
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1326 }
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
2132
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1329 static int fmtGetGenericCharMCPixel(Uint8 *col, const DMC64Image *img,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1330 const int rasterX, const int rasterY)
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1331 {
2132
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1332 DM_C64_GENERIC_CHAR_PIXEL(img)
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1333 const int chr = img->screen[0].data[scroffs];
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1334
2132
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1335 return dmC64GetGenericCharMCPixel(
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1336 col, img,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1337 scroffs, rasterX,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1338 0, (chr * D64_CHR_SIZE) + (rasterY & 7), chr,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1339 0, img->bgcolor, img->d022, img->d023);
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1340 }
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
2132
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1343 static int fmtGetGenericCharECMPixel(Uint8 *col, const DMC64Image *img,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1344 const int rasterX, const int rasterY)
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1345 {
2132
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1346 DM_C64_GENERIC_CHAR_PIXEL(img)
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1347 const int chr = img->screen[0].data[scroffs];
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1348
2132
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1349 return dmC64GetGenericCharECMPixel(
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1350 col, img,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1351 scroffs, rasterX,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1352 0, ((chr & 0x3f) * D64_CHR_SIZE) + (rasterY & 7), chr,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1353 0, img->bgcolor, img->d022, img->d023, img->d024);
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1354 }
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
530
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1357 // 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
1358 // 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
1359 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
1360 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
1361 {
1375
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1362 DMC64GetPixelFunc getPixel;
530
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1363
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1364 // 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
1365 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
1366 return DMERR_NULLPTR;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1367
1947
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1944
diff changeset
1368 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
1369 {
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1370 return dmError(DMERR_INVALID_DATA,
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1371 "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
1372 src->fmt->width, src->fmt->height, dst->width, dst->height);
1460
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1373 }
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1374
1167
848a88ce7a57 Use dmMemset().
Matti Hamalainen <ccr@tnsp.org>
parents: 1134
diff changeset
1375 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
1376
1375
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1377 // Check pixel getter function
1947
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1944
diff changeset
1378 if (src->fmt->getPixel != NULL)
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1944
diff changeset
1379 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
1380 else
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1381 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
1382 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
1383 {
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1384 case D64_FMT_MC : getPixel = fmtGetGenericCharMCPixel; break;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1385 case D64_FMT_HIRES : getPixel = fmtGetGenericCharSCPixel; break;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1386 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
1387 default:
05a6e00b09d0 Change D64_FMT_* MASK constants and how they are used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2117
diff changeset
1388 return dmError(DMERR_INVALID_DATA,
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1389 "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
1390 src->fmt->type);
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1391 }
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1392 else
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1393 switch (src->fmt->type & D64_FMT_MASK)
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1394 {
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1395 case D64_FMT_MC : getPixel = fmtGetGenericMCPixel; break;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1396 case D64_FMT_HIRES : getPixel = fmtGetGenericSCPixel; break;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1397 default:
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1398 return dmError(DMERR_INVALID_DATA,
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1399 "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
1400 src->fmt->type);
05a6e00b09d0 Change D64_FMT_* MASK constants and how they are used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2117
diff changeset
1401 }
1375
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1402
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1403 // Perform conversion
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1404 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
1405 {
1919
f0225a52afce Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1918
diff changeset
1406 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
1407 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
1408 {
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1409 int res;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1410 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
1411 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
1412 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1413 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1414
508
1ed5025c2538 Return DMLIB error values instead of arbitrary 0/negatives.
Matti Hamalainen <ccr@tnsp.org>
parents: 507
diff changeset
1415 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
1416 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1417
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1418
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1419 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
1420 const DMC64ImageFormat *fmt, const DMC64ImageConvSpec *spec)
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1421 {
940
ff18d2511843 Remove the doubleMC madness completely. Should be replaced with x/y aspect
Matti Hamalainen <ccr@tnsp.org>
parents: 939
diff changeset
1422 int res;
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1423 DMImage *dst;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1424
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1425 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
1426 return DMERR_NULLPTR;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1427
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1428 // Allocate image structure
1947
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1944
diff changeset
1429 if ((*pdst = dst = dmImageAlloc(
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1944
diff changeset
1430 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
1431 return DMERR_MALLOC;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1432
1426
4c7b456d7f0b Rename global dmC64Palette to dmDefaultC64Palette.
Matti Hamalainen <ccr@tnsp.org>
parents: 1425
diff changeset
1433 // 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
1434 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
1435 return res;
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1436
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1437 // Convert
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1438 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
1439 res = fmt->format->convertFrom(dst, src, fmt, spec);
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1440 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
1441 res = dmC64ConvertGenericBMP2Image(dst, src, fmt, spec);
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1442
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1443 return res;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1444 }
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1445
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1446
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1447 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
1448 const size_t probeOffs, const size_t loadOffs,
516
6f141f760c54 Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 515
diff changeset
1449 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
1450 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1451 DMGrowBuf tmp;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1452
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1453 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
1454 return DMERR_NULLPTR;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1455
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1456 // Check for forced format
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1457 if (forced != NULL)
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1458 *fmt = forced;
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1459 else
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1460 {
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1461 // 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
1462 if (probeOffs >= buf->len)
1460
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1463 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
1464
1747
5e928618fdc8 Change DMGrowBuf API somewhat and implement more copy operations.
Matti Hamalainen <ccr@tnsp.org>
parents: 1744
diff changeset
1465 dmGrowBufConstCopyOffs(&tmp, buf, probeOffs);
1780
5ea4713e9e0f Change c64 format probing API to use DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1775
diff changeset
1466 if (dmC64ProbeBMP(&tmp, fmt) == DM_PROBE_SCORE_FALSE)
1460
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1467 return DMERR_NOT_SUPPORTED;
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1468 }
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1469
1710
1f0fac3af8e3 Use buf->len instead of tmp.len, as it might not be initialized.
Matti Hamalainen <ccr@tnsp.org>
parents: 1707
diff changeset
1470 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
1471 return DMERR_INVALID_ARGS;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1472
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1473 if (*fmt == NULL)
1548
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1474 return DMERR_NOT_SUPPORTED;
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
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 // Format supports only reading?
1548
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1477 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
1478 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
1479
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1480 // Allocate memory
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
1481 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
1482 return DMERR_MALLOC;
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1483
1747
5e928618fdc8 Change DMGrowBuf API somewhat and implement more copy operations.
Matti Hamalainen <ccr@tnsp.org>
parents: 1744
diff changeset
1484 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
1485
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1486 // 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
1487 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
1488 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
1489 else
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1490 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
1491 }
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1492
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1493
2109
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1494 int dmC64MemBlockAllocSubj(DMC64Image *img, const int subject, const int bank)
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1495 {
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1496 const char *subjname = dmC64GetOpSubjectName(subject);
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1497 size_t size = dmC64GetSubjectSize(subject, img->fmt);
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1498 DMC64MemBlock *blk = (DMC64MemBlock *) dmC64GetOpMemBlock(img, subject, bank);
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1499 int res;
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1500
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1501 if ((res = dmC64MemBlockAlloc(blk, size)) != DMERR_OK)
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1502 {
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1503 return dmError(res,
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1504 "Could not allocate '%s' block with size %d bytes.\n",
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1505 subjname, size);
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1506 }
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1507
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1508 return DMERR_OK;
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1509 }
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1510
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1511
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1512 // 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
1513 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
1514 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
1515 {
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1516 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
1517 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
1518
1949
f8e2728c1b7f Return DMERR_NOT_SUPPORTED from dmC64ConvertGenericImage2BMP() as it does
Matti Hamalainen <ccr@tnsp.org>
parents: 1947
diff changeset
1519 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
1520 }
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
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1523 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
1524 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
1525 {
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1526 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
1527 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
1528
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1529 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
1530 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
1531
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1532 // 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
1533 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
1534 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
1535
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1536 // Convert
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1537 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
1538 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
1539 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
1540 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
1541
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1542 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
1543 }
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1544
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1545
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1546 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
1547 {
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1548 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
1549
1580
72f809e6eb3c Add NULL check for growbuf pointer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1573
diff changeset
1550 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
1551 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
1552
1548
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1553 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
1554 return DMERR_NOT_SUPPORTED;
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1555
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1556 // Allocate a buffer
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1557 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
1558 goto err;
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1559
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1560 // 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
1561 if (!dmGrowBufPutU16LE(buf, fmt->addr))
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1562 goto err;
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1563
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1564 // 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
1565 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
1566 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
1567 else
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1568 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
1569
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1570 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
1571 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
1572
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
1573 // 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
1574 // 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
1575 // 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
1576 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
1577 !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
1578 {
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
1579 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
1580 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
1581 }
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
1582
1469
0046b4e1b35f Various fixes in bmp encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1467
diff changeset
1583 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
1584
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1585 err:
1799
708d333734f9 Comment.
Matti Hamalainen <ccr@tnsp.org>
parents: 1797
diff changeset
1586 // 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
1587 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
1588 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
1589 }
1774
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1590
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1591
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1592 // 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
1593 // 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
1594 // "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
1595 // 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
1596 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
1597 {
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1598 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
1599
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1600 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
1601 {
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1602 const DMC64ImageFormat *fmt = &dmC64ImageFormats[i];
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1603 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
1604 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
1605 {
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1606 // 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
1607 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
1608 score = DM_PROBE_SCORE_GOOD;
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1609 }
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1610 else
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1611 if (fmt->probe != NULL)
1780
5ea4713e9e0f Change c64 format probing API to use DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1775
diff changeset
1612 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
1613
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1614 if (score > scoreMax)
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1615 {
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1616 scoreMax = score;
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1617 scoreIndex = i;
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1618 }
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 if (scoreIndex >= 0)
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1622 {
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1623 *pfmt = &dmC64ImageFormats[scoreIndex];
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1624 return scoreMax;
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1625 }
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1626 else
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1627 return DM_PROBE_SCORE_FALSE;
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1628 }
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1629
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1630
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1631 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
1632 {
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1633 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
1634 {
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1635 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
1636 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
1637 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
1638 }
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1639 }