Mercurial > hg > dmlib
annotate tools/lib64gfx.c @ 1660:7555c8803529
More work on improving the generic RLE decoder/encoder.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Wed, 30 May 2018 17:05:19 +0300 |
parents | 9233da9de92c |
children | 1741717b1ae5 |
rev | line source |
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407
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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 |
1456 | 5 * (C) Copyright 2012-2018 Tecnic Software productions (TNSP) |
407
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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" |
435 | 10 |
514 | 11 #define BUF_SIZE_INITIAL (16*1024) |
12 #define BUF_SIZE_GROW (4*1024) | |
13 | |
407
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14 |
1644 | 15 char * dmC64GetImageTypeString(char *buf, const size_t len, const int type, const BOOL lng) |
16 { | |
17 snprintf(buf, len, | |
18 "%s%s%s%s", | |
19 (type & D64_FMT_MC) ? (lng ? "MultiColor " : "MC ") : "HiRes ", | |
20 (type & D64_FMT_ILACE) ? (lng ? "Interlaced " : "ILace ") : "", | |
21 (type & D64_FMT_FLI) ? "FLI " : "", | |
22 (type & D64_FMT_CHAR) ? "CHAR" : "" | |
23 ); | |
24 | |
25 return buf; | |
26 } | |
27 | |
28 | |
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29 void dmC64ImageDump(FILE *fh, const DMC64Image *img, const DMC64ImageFormat *fmt) |
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30 { |
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31 char typeStr[64]; |
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32 |
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33 dmC64GetImageTypeString(typeStr, sizeof(typeStr), img->type, TRUE); |
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34 |
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35 if (fmt != NULL) |
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36 { |
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37 fprintf(fh, |
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38 "Format : %s [%s]\n", |
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39 fmt->name, fmt->fext); |
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40 } |
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41 |
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42 fprintf(fh, |
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43 "Type : %s\n" |
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44 "Banks : %d\n", |
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45 typeStr, |
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46 img->nbanks); |
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47 |
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48 if (img->type & D64_FMT_ILACE) |
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49 { |
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50 char *tmps; |
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51 switch (img->laceType) |
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52 { |
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53 case D64_ILACE_COLOR: tmps = "color"; break; |
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54 case D64_ILACE_RES: tmps = "resolution"; break; |
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55 default: tmps = "ERROR"; break; |
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56 } |
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57 fprintf(fh, |
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58 "Interlace type : %s\n", |
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59 tmps); |
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60 } |
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61 |
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62 fprintf(fh, |
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63 "Width x Height : %d x %d\n" |
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64 "CHwidth x CHheight : %d x %d\n", |
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65 img->width, img->height, |
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66 img->chWidth, img->chHeight); |
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67 } |
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68 |
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69 |
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70 void dmSetDefaultC64Palette(DMImage *img) |
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71 { |
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72 img->constpal = TRUE; |
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73 img->pal = dmDefaultC64Palette; |
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74 img->ncolors = C64_NCOLORS; |
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75 img->ctransp = 255; |
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76 } |
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77 |
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78 |
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79 BOOL dmCompareAddr16(const Uint8 *buf, const size_t offs, const Uint16 addr) |
1381 | 80 { |
81 return buf[offs ] == DM_GET_ADDR_LO(addr) && | |
82 buf[offs + 1] == DM_GET_ADDR_HI(addr); | |
83 } | |
84 | |
85 | |
1378
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86 int dmC64ImageGetNumBanks(const DMC64ImageFormat *fmt) |
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87 { |
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88 int nbanks = 0; |
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89 for (int i = 0; i < D64_MAX_ENCDEC_OPS; i++) |
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90 { |
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91 const DMC64EncDecOp *op = fmtGetEncDecOp(fmt, i); |
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92 if (op->type == DT_LAST) |
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93 break; |
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94 |
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95 if (op->bank > nbanks) |
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96 nbanks = op->bank; |
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97 } |
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98 |
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99 return nbanks + 1; |
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100 } |
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101 |
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102 |
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103 BOOL dmReverseGetByte(const Uint8 *buf, size_t *offs, Uint8 *data) |
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104 { |
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105 if (*offs > 0) |
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106 { |
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107 *data = buf[--(*offs)]; |
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108 return TRUE; |
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109 } |
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110 else |
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111 return FALSE; |
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112 } |
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113 |
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114 |
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115 BOOL dmReversePutByte(Uint8 *buf, size_t *offs, const Uint8 data) |
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116 { |
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117 if (*offs > 0) |
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118 { |
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119 buf[--(*offs)] = data; |
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120 return TRUE; |
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121 } |
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122 else |
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123 return FALSE; |
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124 } |
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125 |
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126 |
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127 int dmC64MemBlockAlloc(DMC64MemBlock *blk, const size_t size) |
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128 { |
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129 if ((blk->data = dmMalloc0(size)) == NULL) |
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130 return DMERR_MALLOC; |
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131 |
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132 blk->size = size; |
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133 return DMERR_OK; |
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134 } |
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135 |
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|
136 |
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|
137 int dmC64MemBlockCopy(DMC64MemBlock *dst, const DMC64MemBlock *src) |
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138 { |
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139 if (src->data != NULL && src->size > 0) |
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140 { |
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141 dst->size = src->size; |
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142 if ((dst->data = dmMalloc(src->size)) == NULL) |
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143 return DMERR_MALLOC; |
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|
144 |
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145 memcpy(dst->data, src->data, src->size); |
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146 } |
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147 |
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148 return DMERR_OK; |
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149 } |
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|
150 |
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|
151 |
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152 void dmC64MemBlockFree(DMC64MemBlock *blk) |
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153 { |
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154 if (blk != NULL) |
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155 { |
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156 dmFreeR(&blk->data); |
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157 blk->size = 0; |
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158 } |
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159 } |
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|
160 |
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161 |
1378
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Make c64 image bank allocation dynamic.
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diff
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|
162 DMC64Image *dmC64ImageAlloc(const DMC64ImageFormat *fmt) |
931
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163 { |
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164 DMC64Image *img = dmMalloc0(sizeof(DMC64Image)); |
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165 |
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166 if (img == NULL) |
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167 return NULL; |
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|
168 |
1378
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Make c64 image bank allocation dynamic.
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|
169 // Initialize image information |
1492
5f9080d24f3c
Set DMC64Image::type in dmC64ImageAlloc() from format type.
Matti Hamalainen <ccr@tnsp.org>
parents:
1491
diff
changeset
|
170 img->type = fmt->type; |
1491 | 171 img->width = fmt->width; |
172 img->height = fmt->height; | |
173 img->chWidth = fmt->chWidth; | |
174 img->chHeight = fmt->chHeight; | |
175 img->nbanks = dmC64ImageGetNumBanks(fmt); | |
931
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176 |
1378
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Make c64 image bank allocation dynamic.
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|
177 // Allocate banks |
1588
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178 if ((img->color = dmCalloc(img->nbanks, sizeof(DMC64MemBlock))) == NULL || |
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179 (img->bitmap = dmCalloc(img->nbanks, sizeof(DMC64MemBlock))) == NULL || |
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180 (img->screen = dmCalloc(img->nbanks, sizeof(DMC64MemBlock))) == NULL || |
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181 (img->charData = dmCalloc(img->nbanks, sizeof(DMC64MemBlock))) == NULL) |
1378
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Make c64 image bank allocation dynamic.
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|
182 goto err; |
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Make c64 image bank allocation dynamic.
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183 |
931
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Refactor the DMC64Image handling to be more dynamic, and start
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|
184 return img; |
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185 |
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186 err: |
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|
187 dmC64ImageFree(img); |
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|
188 return NULL; |
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|
189 } |
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|
190 |
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Refactor the DMC64Image handling to be more dynamic, and start
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changeset
|
191 |
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changeset
|
192 void dmC64ImageFree(DMC64Image *img) |
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|
193 { |
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diff
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|
194 if (img != NULL) |
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diff
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|
195 { |
1462
9cb6dd1046bf
Fix memory leaks by freeing more things in dmC64ImageFree().
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parents:
1461
diff
changeset
|
196 // Free the allocated areas |
1378
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Make c64 image bank allocation dynamic.
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diff
changeset
|
197 for (int i = 0; i < img->nbanks; i++) |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
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parents:
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diff
changeset
|
198 { |
1588
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|
199 dmC64MemBlockFree(&img->color[i]); |
ca087c0cc9c4
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|
200 dmC64MemBlockFree(&img->bitmap[i]); |
ca087c0cc9c4
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|
201 dmC64MemBlockFree(&img->screen[i]); |
ca087c0cc9c4
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diff
changeset
|
202 dmC64MemBlockFree(&img->charData[i]); |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
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parents:
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diff
changeset
|
203 } |
1373
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
204 |
1462
9cb6dd1046bf
Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents:
1461
diff
changeset
|
205 // Free the pointers to the areas |
9cb6dd1046bf
Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
206 dmFree(img->color); |
9cb6dd1046bf
Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
207 dmFree(img->bitmap); |
9cb6dd1046bf
Fix memory leaks by freeing more things in dmC64ImageFree().
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parents:
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diff
changeset
|
208 dmFree(img->screen); |
1588
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|
209 dmFree(img->charData); |
1462
9cb6dd1046bf
Fix memory leaks by freeing more things in dmC64ImageFree().
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parents:
1461
diff
changeset
|
210 |
9cb6dd1046bf
Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
211 // Extra data .. |
1373
fc5ee5b4b0e9
Improve handling of extra data.
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parents:
1372
diff
changeset
|
212 for (int i = 0; i < C64_MAX_EXTRA_DATA; i++) |
1588
ca087c0cc9c4
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changeset
|
213 dmC64MemBlockFree(&img->extraData[i]); |
1373
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
214 |
1167 | 215 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
|
216 dmFree(img); |
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
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diff
changeset
|
217 } |
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
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diff
changeset
|
218 } |
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
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changeset
|
219 |
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
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parents:
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diff
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|
220 |
827 | 221 int dmC64ConvertCSDataToImage(DMImage *img, |
410
e4b2f689aff6
Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents:
407
diff
changeset
|
222 int xoffs, int yoffs, const Uint8 *buf, |
915 | 223 int width, int height, BOOL multicolor, |
224 int *colors) | |
407
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
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parents:
diff
changeset
|
225 { |
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Move c64 utilities to the engine lib, as we benefit from a common framework.
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parents:
diff
changeset
|
226 int yc, widthpx = width * 8; |
410
e4b2f689aff6
Stdint -> SDL types conversion.
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parents:
407
diff
changeset
|
227 Uint8 *dp; |
407
59244a7ae37f
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parents:
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|
228 |
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parents:
diff
changeset
|
229 if (img == NULL) |
517
e2a76bb59888
Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents:
516
diff
changeset
|
230 return DMERR_NULLPTR; |
e2a76bb59888
Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents:
516
diff
changeset
|
231 |
e2a76bb59888
Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents:
516
diff
changeset
|
232 if (xoffs < 0 || yoffs < 0 || |
e2a76bb59888
Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents:
516
diff
changeset
|
233 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
|
234 yoffs > img->height - height) |
517
e2a76bb59888
Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents:
516
diff
changeset
|
235 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
|
236 |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
237 dp = img->data + (yoffs * img->pitch) + xoffs; |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
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parents:
diff
changeset
|
238 |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
239 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
|
240 { |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
241 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
|
242 { |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
243 const int offs = yc * width; |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
244 int xc; |
410
e4b2f689aff6
Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents:
407
diff
changeset
|
245 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
|
246 |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
247 for (xc = 0; xc < widthpx / 2; xc++) |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
248 { |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
249 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
|
250 const int v = 6 - ((xc * 2) & 6); |
410
e4b2f689aff6
Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents:
407
diff
changeset
|
251 const Uint8 c = colors[(b >> v) & 3]; |
925 | 252 |
407
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
253 *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
|
254 *d++ = c; |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
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|
255 } |
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|
256 |
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parents:
diff
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|
257 dp += img->pitch; |
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|
258 } |
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Move c64 utilities to the engine lib, as we benefit from a common framework.
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parents:
diff
changeset
|
259 } |
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Move c64 utilities to the engine lib, as we benefit from a common framework.
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parents:
diff
changeset
|
260 else |
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Move c64 utilities to the engine lib, as we benefit from a common framework.
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parents:
diff
changeset
|
261 { |
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parents:
diff
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|
262 for (yc = 0; yc < height; yc++) |
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parents:
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|
263 { |
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diff
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|
264 const int offs = yc * width; |
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Move c64 utilities to the engine lib, as we benefit from a common framework.
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parents:
diff
changeset
|
265 int xc; |
410
e4b2f689aff6
Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents:
407
diff
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|
266 Uint8 *d = dp; |
407
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|
267 |
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parents:
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|
268 for (xc = 0; xc < widthpx; xc++) |
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|
269 { |
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|
270 const int b = buf[offs + (xc / 8)]; |
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|
271 const int v = 7 - (xc & 7); |
410
e4b2f689aff6
Stdint -> SDL types conversion.
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407
diff
changeset
|
272 const Uint8 c = colors[(b >> v) & 1]; |
925 | 273 |
407
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274 *d++ = c; |
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|
275 } |
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276 |
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|
277 dp += img->pitch; |
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|
278 } |
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|
279 } |
925 | 280 |
517
e2a76bb59888
Return better error values, using DMERR_* enums.
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parents:
516
diff
changeset
|
281 return DMERR_OK; |
407
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|
282 } |
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|
283 |
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|
284 |
1650
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Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
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|
285 void dmGenericRLEAnalyze(const Uint8 *buf, const size_t len, DMCompParams *cfg) |
1503
c7b9ef56319b
Factor all the c64 file format specific things into lib64fmt.c
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1501
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|
286 { |
1542
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Implement dmGenericRLEAnalyze() and use it where appropriate.
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1537
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|
287 #define DM_STAT_MAX 256 |
69fa95707e65
Implement dmGenericRLEAnalyze() and use it where appropriate.
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|
288 size_t *stats; |
1503
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Factor all the c64 file format specific things into lib64fmt.c
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|
289 |
1542
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Implement dmGenericRLEAnalyze() and use it where appropriate.
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290 // Allocate statistics counts buffer |
69fa95707e65
Implement dmGenericRLEAnalyze() and use it where appropriate.
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|
291 if ((stats = dmMalloc0(DM_STAT_MAX * sizeof(size_t))) == NULL) |
69fa95707e65
Implement dmGenericRLEAnalyze() and use it where appropriate.
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|
292 return; |
69fa95707e65
Implement dmGenericRLEAnalyze() and use it where appropriate.
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|
293 |
69fa95707e65
Implement dmGenericRLEAnalyze() and use it where appropriate.
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|
294 // Get statistics on the data |
1650
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Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
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295 for (size_t offs = 0; offs < len; offs++) |
9233da9de92c
Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
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|
296 stats[buf[offs]]++; |
1542
69fa95707e65
Implement dmGenericRLEAnalyze() and use it where appropriate.
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|
297 |
69fa95707e65
Implement dmGenericRLEAnalyze() and use it where appropriate.
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|
298 // According to compression type .. |
1650
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Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
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|
299 switch (cfg->type) |
1542
69fa95707e65
Implement dmGenericRLEAnalyze() and use it where appropriate.
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|
300 { |
1650
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Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
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diff
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|
301 case DM_COMP_RLE_MARKER: |
1542
69fa95707e65
Implement dmGenericRLEAnalyze() and use it where appropriate.
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|
302 { |
1650
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Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
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diff
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|
303 size_t selected = 0, |
9233da9de92c
Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
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diff
changeset
|
304 smallest = len; |
1542
69fa95707e65
Implement dmGenericRLEAnalyze() and use it where appropriate.
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|
305 |
1650
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Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
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|
306 // Find least used byte value |
9233da9de92c
Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
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diff
changeset
|
307 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.
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diff
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|
308 { |
9233da9de92c
Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
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changeset
|
309 if (stats[n] < smallest) |
9233da9de92c
Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
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|
310 { |
1660
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
311 cfg->rleMarkerW = selected; |
7555c8803529
More work on improving the generic RLE decoder/encoder.
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parents:
1650
diff
changeset
|
312 cfg->rleMarkerB = selected = n; |
1650
9233da9de92c
Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
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diff
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|
313 smallest = stats[n]; |
9233da9de92c
Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
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parents:
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diff
changeset
|
314 } |
9233da9de92c
Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
315 } |
9233da9de92c
Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
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parents:
1647
diff
changeset
|
316 } |
9233da9de92c
Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
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parents:
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diff
changeset
|
317 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:
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diff
changeset
|
318 |
9233da9de92c
Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
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parents:
1647
diff
changeset
|
319 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
|
320 cfg->rleMarkerMask = 0xC0; |
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
321 cfg->rleMarkerBits = 0xC0; |
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
322 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
|
323 break; |
1542
69fa95707e65
Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents:
1537
diff
changeset
|
324 } |
69fa95707e65
Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents:
1537
diff
changeset
|
325 |
69fa95707e65
Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents:
1537
diff
changeset
|
326 dmFree(stats); |
1503
c7b9ef56319b
Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents:
1501
diff
changeset
|
327 } |
c7b9ef56319b
Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents:
1501
diff
changeset
|
328 |
c7b9ef56319b
Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents:
1501
diff
changeset
|
329 |
1505
3265175b24d2
Change the passing of RLE compression/decompression parameters to be in a dedicated struct.
Matti Hamalainen <ccr@tnsp.org>
parents:
1503
diff
changeset
|
330 int dmDecodeGenericRLE(DMGrowBuf *dst, const Uint8 *src, const Uint8 *srcEnd, 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
|
331 { |
1463
bde6a66bc2f6
Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents:
1462
diff
changeset
|
332 int 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
|
333 |
1463
bde6a66bc2f6
Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents:
1462
diff
changeset
|
334 // Perform RLE decode |
bde6a66bc2f6
Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents:
1462
diff
changeset
|
335 while (src < srcEnd) |
407
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
336 { |
1476 | 337 Uint8 data = *src++; |
338 int count = 1; | |
1463
bde6a66bc2f6
Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents:
1462
diff
changeset
|
339 |
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
|
340 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
|
341 { |
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
|
342 // A simple marker byte RLE variant: [Marker] [count] [data] |
1660
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
343 if (data == cfg->rleMarkerB && (cfg->flags & DM_RLE_BYTE_RUNS)) |
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
|
344 { |
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
|
345 if (srcEnd - src + 1 < 2) |
1463
bde6a66bc2f6
Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents:
1462
diff
changeset
|
346 { |
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
|
347 res = DMERR_INVALID_DATA; |
9233da9de92c
Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents:
1647
diff
changeset
|
348 goto err; |
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
|
349 } |
1573
86373ac0861a
Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1548
diff
changeset
|
350 |
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
|
351 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
|
352 { |
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
|
353 case DM_RLE_ORDER_1: |
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
|
354 count = src[0]; |
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
|
355 data = src[1]; |
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
|
356 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
|
357 |
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
|
358 case DM_RLE_ORDER_2: |
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
|
359 data = src[0]; |
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
|
360 count = src[1]; |
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
|
361 break; |
1463
bde6a66bc2f6
Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents:
1462
diff
changeset
|
362 } |
1650
9233da9de92c
Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents:
1647
diff
changeset
|
363 src += 2; |
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
|
364 } |
9233da9de92c
Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents:
1647
diff
changeset
|
365 else |
1660
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
366 if (data == cfg->rleMarkerW && (cfg->flags & DM_RLE_WORD_RUNS)) |
1650
9233da9de92c
Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents:
1647
diff
changeset
|
367 { |
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
|
368 if (srcEnd - src + 1 < 3) |
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
|
369 { |
9233da9de92c
Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents:
1647
diff
changeset
|
370 res = DMERR_INVALID_DATA; |
9233da9de92c
Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents:
1647
diff
changeset
|
371 goto err; |
9233da9de92c
Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents:
1647
diff
changeset
|
372 } |
9233da9de92c
Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents:
1647
diff
changeset
|
373 |
9233da9de92c
Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents:
1647
diff
changeset
|
374 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
|
375 { |
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
|
376 case DM_RLE_ORDER_1: |
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
|
377 count = (src[1] << 8) | src[0]; |
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 data = src[2]; |
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
|
379 break; |
1463
bde6a66bc2f6
Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents:
1462
diff
changeset
|
380 |
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
|
381 case DM_RLE_ORDER_2: |
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 data = src[0]; |
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
|
383 count = (src[2] << 8) | src[1]; |
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
|
384 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
|
385 } |
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 src += 3; |
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 } |
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 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
|
390 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
|
391 { |
9233da9de92c
Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents:
1647
diff
changeset
|
392 // 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
|
393 // 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
|
394 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
|
395 { |
9233da9de92c
Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents:
1647
diff
changeset
|
396 if (srcEnd - src + 1 < 1) |
1463
bde6a66bc2f6
Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents:
1462
diff
changeset
|
397 { |
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
|
398 res = DMERR_INVALID_DATA; |
9233da9de92c
Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents:
1647
diff
changeset
|
399 goto err; |
9233da9de92c
Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents:
1647
diff
changeset
|
400 } |
1466
bc75be0546fc
More work on RLE decoder/encoder changes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1465
diff
changeset
|
401 |
1660
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
402 count = data & cfg->rleCountMask; |
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
|
403 data = *src++; |
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
|
404 } |
407
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
405 } |
1463
bde6a66bc2f6
Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents:
1462
diff
changeset
|
406 |
1476 | 407 while (count--) |
1463
bde6a66bc2f6
Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents:
1462
diff
changeset
|
408 { |
1476 | 409 if (!dmGrowBufPutU8(dst, data)) |
1463
bde6a66bc2f6
Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents:
1462
diff
changeset
|
410 { |
1466
bc75be0546fc
More work on RLE decoder/encoder changes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1465
diff
changeset
|
411 res = DMERR_MALLOC; |
1463
bde6a66bc2f6
Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents:
1462
diff
changeset
|
412 goto err; |
bde6a66bc2f6
Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents:
1462
diff
changeset
|
413 } |
bde6a66bc2f6
Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents:
1462
diff
changeset
|
414 } |
407
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
415 } |
523
d0c0c6baeb57
Split the RLE decoding from DrazPaint/Lace and Amica paint decoders to a
Matti Hamalainen <ccr@tnsp.org>
parents:
519
diff
changeset
|
416 |
1463
bde6a66bc2f6
Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents:
1462
diff
changeset
|
417 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
|
418 |
1463
bde6a66bc2f6
Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents:
1462
diff
changeset
|
419 err: |
bde6a66bc2f6
Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents:
1462
diff
changeset
|
420 return res; |
bde6a66bc2f6
Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents:
1462
diff
changeset
|
421 } |
bde6a66bc2f6
Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents:
1462
diff
changeset
|
422 |
bde6a66bc2f6
Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents:
1462
diff
changeset
|
423 |
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
|
424 int dmDecodeGenericRLEAlloc(DMGrowBuf *dst, const Uint8 *src, const Uint8 *srcEnd, const DMCompParams *cfg) |
1463
bde6a66bc2f6
Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents:
1462
diff
changeset
|
425 { |
1478
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
426 int res; |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
427 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
|
428 return res; |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
429 |
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
|
430 return dmDecodeGenericRLE(dst, src, srcEnd, cfg); |
1478
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
431 } |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
432 |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
433 |
1660
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
434 static BOOL dmEncodeGenericRLESequence(DMGrowBuf *dst, const Uint8 data, int count, const DMCompParams *cfg) |
1478
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
435 { |
1496 | 436 BOOL copyOnly = FALSE; |
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
|
437 |
3265175b24d2
Change the passing of RLE compression/decompression parameters to be in a dedicated struct.
Matti Hamalainen <ccr@tnsp.org>
parents:
1503
diff
changeset
|
438 switch (cfg->type) |
1478
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
439 { |
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
|
440 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
|
441 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
|
442 (count >= cfg->rleMinCountW || data == cfg->rleMarkerW)) |
1496 | 443 { |
444 // A simple marker byte RLE variant: [Marker] [count] [data] | |
1660
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
445 if (!dmGrowBufPutU8(dst, cfg->rleMarkerW)) |
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
446 return FALSE; |
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
447 |
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
448 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
|
449 { |
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
450 case DM_RLE_ORDER_1: |
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
451 if (!dmGrowBufPutU16LE(dst, count) || |
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
452 !dmGrowBufPutU8(dst, data)) |
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
453 return FALSE; |
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
454 break; |
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
455 |
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
456 case DM_RLE_ORDER_2: |
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
457 if (!dmGrowBufPutU8(dst, data) || |
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
458 !dmGrowBufPutU16LE(dst, count)) |
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
459 return FALSE; |
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
460 break; |
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
461 } |
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
462 } |
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
463 else |
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
464 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
|
465 (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
|
466 { |
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
467 // A simple marker byte RLE variant: [Marker] [count] [data] |
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
468 if (!dmGrowBufPutU8(dst, cfg->rleMarkerB)) |
1496 | 469 return FALSE; |
1573
86373ac0861a
Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1548
diff
changeset
|
470 |
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
|
471 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
|
472 { |
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
|
473 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
|
474 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
|
475 !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
|
476 return FALSE; |
86373ac0861a
Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1548
diff
changeset
|
477 break; |
86373ac0861a
Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1548
diff
changeset
|
478 |
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
|
479 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
|
480 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
|
481 !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
|
482 return FALSE; |
86373ac0861a
Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1548
diff
changeset
|
483 break; |
86373ac0861a
Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1548
diff
changeset
|
484 } |
1496 | 485 } |
486 else | |
487 copyOnly = TRUE; | |
1478
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
488 break; |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
489 |
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
|
490 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
|
491 if (count >= cfg->rleMinCountB || (data & cfg->rleMarkerMask) == cfg->rleMarkerBits) |
1496 | 492 { |
493 // Mask marker RLE: usually high bit(s) of byte mark RLE sequence | |
494 // 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
|
495 if (!dmGrowBufPutU8(dst, cfg->rleMarkerBits | count) || |
1496 | 496 !dmGrowBufPutU8(dst, data)) |
497 return FALSE; | |
498 } | |
499 else | |
500 copyOnly = TRUE; | |
501 break; | |
502 } | |
503 | |
504 if (copyOnly) | |
505 { | |
506 while (count--) | |
507 { | |
508 if (!dmGrowBufPutU8(dst, data)) | |
1478
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
509 return FALSE; |
1496 | 510 } |
1478
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
511 } |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
512 |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
513 return TRUE; |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
514 } |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
515 |
1466
bc75be0546fc
More work on RLE decoder/encoder changes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1465
diff
changeset
|
516 |
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
|
517 int dmEncodeGenericRLE(DMGrowBuf *dst, const Uint8 *src, const Uint8 *srcEnd, const DMCompParams *cfg) |
1478
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
518 { |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
519 // Perform RLE encoding |
1512
ee691fbf8f27
Initialize previous data value in RLE encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1511
diff
changeset
|
520 int count = 0, prev = -1; |
1478
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
521 while (src < srcEnd) |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
522 { |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
523 Uint8 data = *src++; |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
524 |
1660
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
525 // 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
|
526 // for the active runs mode(s) .. then encode the run. |
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
527 if (data != prev || |
7555c8803529
More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1650
diff
changeset
|
528 ((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
|
529 (((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
|
530 { |
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
|
531 if (!dmEncodeGenericRLESequence(dst, prev, count, cfg)) |
1478
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
532 goto err; |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
533 |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
534 count = 1; |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
535 } |
1496 | 536 else |
537 count++; | |
1478
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
538 |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
539 prev = data; |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
540 } |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
541 |
1518
24b8b452925e
Improve error handling of RLE encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1513
diff
changeset
|
542 if (!dmEncodeGenericRLESequence(dst, prev, count, cfg)) |
24b8b452925e
Improve error handling of RLE encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1513
diff
changeset
|
543 goto err; |
24b8b452925e
Improve error handling of RLE encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1513
diff
changeset
|
544 |
24b8b452925e
Improve error handling of RLE encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1513
diff
changeset
|
545 return DMERR_OK; |
1478
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
546 |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
547 err: |
1518
24b8b452925e
Improve error handling of RLE encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1513
diff
changeset
|
548 return dmError(DMERR_MALLOC, |
24b8b452925e
Improve error handling of RLE encoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1513
diff
changeset
|
549 "Could reallocate memory for RLE encoding buffer.\n"); |
1478
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
550 } |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
551 |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
552 |
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
|
553 int dmEncodeGenericRLEAlloc(DMGrowBuf *dst, const Uint8 *src, const Uint8 *srcEnd, const DMCompParams *cfg) |
1478
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
554 { |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
555 int res; |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
556 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
|
557 return res; |
d883b4c1cf48
More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1476
diff
changeset
|
558 |
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
|
559 return dmEncodeGenericRLE(dst, src, srcEnd, 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
|
560 } |
d0c0c6baeb57
Split the RLE decoding from DrazPaint/Lace and Amica paint decoders to a
Matti Hamalainen <ccr@tnsp.org>
parents:
519
diff
changeset
|
561 |
519 | 562 |
518 | 563 // Perform probing of the given data buffer, trying to determine |
564 // if it contains a supported "C64" image format. Returns the | |
565 // "probe score", see libgfx.h for list of values. If a match | |
566 // is found, pointer to format description is set to *pfmt. | |
537
32d9e67da189
Rename generic probing function to match the style of other lib64gfx functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
536
diff
changeset
|
567 int dmC64ProbeBMP(const Uint8 *buf, const size_t len, const DMC64ImageFormat **pfmt) |
407
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
568 { |
1380 | 569 int scoreMax = DM_PROBE_SCORE_FALSE, scoreIndex = -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
|
570 |
1380 | 571 for (int i = 0; i < ndmC64ImageFormats; 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
|
572 { |
516 | 573 const DMC64ImageFormat *fmt = &dmC64ImageFormats[i]; |
511
4cdcaeb68b54
Collapse most of the probing functions into one generic probe, as they only
Matti Hamalainen <ccr@tnsp.org>
parents:
510
diff
changeset
|
574 int score = DM_PROBE_SCORE_FALSE; |
4cdcaeb68b54
Collapse most of the probing functions into one generic probe, as they only
Matti Hamalainen <ccr@tnsp.org>
parents:
510
diff
changeset
|
575 if (fmt->probe == NULL && fmt->size > 0 && fmt->addr > 0) |
4cdcaeb68b54
Collapse most of the probing functions into one generic probe, as they only
Matti Hamalainen <ccr@tnsp.org>
parents:
510
diff
changeset
|
576 { |
4cdcaeb68b54
Collapse most of the probing functions into one generic probe, as they only
Matti Hamalainen <ccr@tnsp.org>
parents:
510
diff
changeset
|
577 // Generic probe just checks matching size and load address |
4cdcaeb68b54
Collapse most of the probing functions into one generic probe, as they only
Matti Hamalainen <ccr@tnsp.org>
parents:
510
diff
changeset
|
578 if (len == fmt->size && dmCompareAddr16(buf, 0, fmt->addr)) |
4cdcaeb68b54
Collapse most of the probing functions into one generic probe, as they only
Matti Hamalainen <ccr@tnsp.org>
parents:
510
diff
changeset
|
579 score = DM_PROBE_SCORE_GOOD; |
4cdcaeb68b54
Collapse most of the probing functions into one generic probe, as they only
Matti Hamalainen <ccr@tnsp.org>
parents:
510
diff
changeset
|
580 } |
4cdcaeb68b54
Collapse most of the probing functions into one generic probe, as they only
Matti Hamalainen <ccr@tnsp.org>
parents:
510
diff
changeset
|
581 else |
1134
d0898867ec4c
Various fixes for issues reported by clang static analyzer.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
582 if (fmt->probe != NULL) |
511
4cdcaeb68b54
Collapse most of the probing functions into one generic probe, as they only
Matti Hamalainen <ccr@tnsp.org>
parents:
510
diff
changeset
|
583 score = fmt->probe(buf, len, fmt); |
4cdcaeb68b54
Collapse most of the probing functions into one generic probe, as they only
Matti Hamalainen <ccr@tnsp.org>
parents:
510
diff
changeset
|
584 |
407
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
585 if (score > scoreMax) |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
586 { |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
587 scoreMax = score; |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
588 scoreIndex = i; |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
589 } |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
590 } |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
591 |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
592 if (scoreIndex >= 0) |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
593 { |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
594 *pfmt = &dmC64ImageFormats[scoreIndex]; |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
595 return scoreMax; |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
596 } |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
597 else |
419
936bc27a79d6
Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents:
410
diff
changeset
|
598 return DM_PROBE_SCORE_FALSE; |
407
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
599 } |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
600 |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
601 |
1537
776aa43b2c57
Tiny improvement in MC->FLI upconversion.
Matti Hamalainen <ccr@tnsp.org>
parents:
1534
diff
changeset
|
602 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
|
603 { |
1373
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
604 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
|
605 { |
1373
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
606 case DT_COLOR_RAM: |
1586
3c9e5962eca6
Rename DT_BITMAP to DT_BITMAP_RAM.
Matti Hamalainen <ccr@tnsp.org>
parents:
1580
diff
changeset
|
607 case DT_BITMAP_RAM: |
1373
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
608 case DT_SCREEN_RAM: |
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
609 case DT_CHAR_DATA: |
1378
c465860e44ed
Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents:
1377
diff
changeset
|
610 if (op->bank < 0 || op->bank > img->nbanks) |
1373
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
611 { |
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
612 return dmError(DMERR_INTERNAL, |
1378
c465860e44ed
Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents:
1377
diff
changeset
|
613 "Invalid bank %d / %d definition in generic encode/decode operator %d @ #%d.\n", |
c465860e44ed
Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents:
1377
diff
changeset
|
614 op->bank, img->nbanks, op->type, i); |
1373
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
615 } |
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
616 break; |
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
617 |
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
618 case DT_EXTRA_DATA: |
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
619 if (op->bank < 0 || op->bank >= C64_MAX_EXTRA_DATA) |
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
620 { |
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
621 return dmError(DMERR_INTERNAL, |
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
622 "Invalid bank %d definition in generic encode/decode operator %d @ #%d.\n", |
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
623 op->bank, op->type, i); |
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
624 } |
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
625 break; |
510
43ea59887c69
Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents:
508
diff
changeset
|
626 } |
43ea59887c69
Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents:
508
diff
changeset
|
627 |
43ea59887c69
Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents:
508
diff
changeset
|
628 if (op->type < 0 || op->type >= DT_LAST) |
43ea59887c69
Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents:
508
diff
changeset
|
629 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
630 return dmError(DMERR_INTERNAL, |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
631 "Invalid encode/decode operator type %d @ #%d.\n", |
510
43ea59887c69
Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents:
508
diff
changeset
|
632 op->type, i); |
43ea59887c69
Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents:
508
diff
changeset
|
633 } |
43ea59887c69
Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents:
508
diff
changeset
|
634 |
43ea59887c69
Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents:
508
diff
changeset
|
635 return DMERR_OK; |
43ea59887c69
Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents:
508
diff
changeset
|
636 } |
43ea59887c69
Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents:
508
diff
changeset
|
637 |
43ea59887c69
Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents:
508
diff
changeset
|
638 |
1537
776aa43b2c57
Tiny improvement in MC->FLI upconversion.
Matti Hamalainen <ccr@tnsp.org>
parents:
1534
diff
changeset
|
639 BOOL dmC64GetOpSize(const DMC64EncDecOp *op, const DMC64ImageFormat *fmt, size_t *size) |
927
db495f421242
Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents:
925
diff
changeset
|
640 { |
db495f421242
Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents:
925
diff
changeset
|
641 switch (op->type) |
db495f421242
Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents:
925
diff
changeset
|
642 { |
db495f421242
Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents:
925
diff
changeset
|
643 case DT_SCREEN_RAM: |
db495f421242
Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents:
925
diff
changeset
|
644 case DT_COLOR_RAM: |
1482
df6dacb48970
Rename some struct members, and sanitize handling of DMC64Image allocation more.
Matti Hamalainen <ccr@tnsp.org>
parents:
1478
diff
changeset
|
645 *size = fmt->chHeight * fmt->chWidth; |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
646 break; |
927
db495f421242
Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents:
925
diff
changeset
|
647 |
1586
3c9e5962eca6
Rename DT_BITMAP to DT_BITMAP_RAM.
Matti Hamalainen <ccr@tnsp.org>
parents:
1580
diff
changeset
|
648 case DT_BITMAP_RAM: |
1482
df6dacb48970
Rename some struct members, and sanitize handling of DMC64Image allocation more.
Matti Hamalainen <ccr@tnsp.org>
parents:
1478
diff
changeset
|
649 *size = fmt->chHeight * fmt->chWidth * 8; |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
650 break; |
927
db495f421242
Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents:
925
diff
changeset
|
651 |
db495f421242
Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents:
925
diff
changeset
|
652 case DT_CHAR_DATA: |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
653 *size = C64_MAX_CHARS * C64_CHR_SIZE; |
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
654 break; |
927
db495f421242
Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents:
925
diff
changeset
|
655 |
db495f421242
Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents:
925
diff
changeset
|
656 case DT_COLOR_REG: |
1519
19b5013ff190
Fix c64 bitmap encoding / decoding bounds checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
1518
diff
changeset
|
657 *size = 1; |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
658 break; |
927
db495f421242
Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents:
925
diff
changeset
|
659 |
1528
239dc13123fd
Set size for DT_{DEC,ENC}_FUNCTION opcodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1521
diff
changeset
|
660 case DT_DEC_FUNCTION: |
239dc13123fd
Set size for DT_{DEC,ENC}_FUNCTION opcodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1521
diff
changeset
|
661 case DT_ENC_FUNCTION: |
239dc13123fd
Set size for DT_{DEC,ENC}_FUNCTION opcodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1521
diff
changeset
|
662 case DT_EXTRA_DATA: |
239dc13123fd
Set size for DT_{DEC,ENC}_FUNCTION opcodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1521
diff
changeset
|
663 *size = op->size; |
239dc13123fd
Set size for DT_{DEC,ENC}_FUNCTION opcodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1521
diff
changeset
|
664 break; |
239dc13123fd
Set size for DT_{DEC,ENC}_FUNCTION opcodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1521
diff
changeset
|
665 |
927
db495f421242
Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents:
925
diff
changeset
|
666 default: |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
667 *size = 0; |
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
668 } |
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
669 |
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
|
670 // If the operator specified size is larger, use it. |
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
|
671 if (op->size > *size) |
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
|
672 *size = op->size; |
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
|
673 |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
674 return TRUE; |
927
db495f421242
Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents:
925
diff
changeset
|
675 } |
db495f421242
Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents:
925
diff
changeset
|
676 |
db495f421242
Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents:
925
diff
changeset
|
677 |
410
e4b2f689aff6
Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents:
407
diff
changeset
|
678 int dmC64DecodeGenericBMP(DMC64Image *img, const Uint8 *buf, |
407
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
679 const size_t len, const DMC64ImageFormat *fmt) |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
680 { |
1460 | 681 int res = DMERR_OK; |
682 | |
513 | 683 if (buf == NULL || img == NULL || fmt == NULL) |
684 return DMERR_NULLPTR; | |
685 | |
925 | 686 // Clear the image structure, set basics |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
687 img->type = fmt->type; |
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
688 img->width = fmt->width; |
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
689 img->height = fmt->height; |
1482
df6dacb48970
Rename some struct members, and sanitize handling of DMC64Image allocation more.
Matti Hamalainen <ccr@tnsp.org>
parents:
1478
diff
changeset
|
690 img->chWidth = fmt->chWidth; |
df6dacb48970
Rename some struct members, and sanitize handling of DMC64Image allocation more.
Matti Hamalainen <ccr@tnsp.org>
parents:
1478
diff
changeset
|
691 img->chHeight = fmt->chHeight; |
1378
c465860e44ed
Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents:
1377
diff
changeset
|
692 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
|
693 |
518 | 694 // Perform decoding |
1365
60d7240e1a63
Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents:
1364
diff
changeset
|
695 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
|
696 { |
1591
3cc7b2aadda3
Add inline helper function fmtGetEncDecOp() and use it.
Matti Hamalainen <ccr@tnsp.org>
parents:
1588
diff
changeset
|
697 const DMC64EncDecOp *op = fmtGetEncDecOp(fmt, i); |
410
e4b2f689aff6
Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents:
407
diff
changeset
|
698 const Uint8 *src; |
1600
e28e67358ff6
Fix some uninitialized variable warnings.
Matti Hamalainen <ccr@tnsp.org>
parents:
1597
diff
changeset
|
699 DMC64MemBlock *blk = NULL; |
e28e67358ff6
Fix some uninitialized variable warnings.
Matti Hamalainen <ccr@tnsp.org>
parents:
1597
diff
changeset
|
700 char *blkname = NULL; |
407
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
701 size_t size; |
1378
c465860e44ed
Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents:
1377
diff
changeset
|
702 |
1365
60d7240e1a63
Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents:
1364
diff
changeset
|
703 // Check for last operator |
60d7240e1a63
Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents:
1364
diff
changeset
|
704 if (op->type == DT_LAST) |
60d7240e1a63
Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents:
1364
diff
changeset
|
705 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
|
706 |
811 | 707 // Check operation validity |
1378
c465860e44ed
Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents:
1377
diff
changeset
|
708 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
|
709 return res; |
925 | 710 |
811 | 711 // Check size |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
712 if (!dmC64GetOpSize(op, fmt, &size)) |
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
713 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
714 return dmError(DMERR_INVALID_DATA, |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
715 "Decode op SIZE out of bounds, op #%d type=%d, offs=%d ($%04x), " |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
716 "bank=%d, size=%d ($%04x) vs. allocated %d ($%04x)\n", |
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
717 i, op->type, op->offs, op->offs, op->bank, size, size, op->size, op->size); |
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
718 } |
811 | 719 |
1588
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
720 // Is the operation inside the bounds? |
1519
19b5013ff190
Fix c64 bitmap encoding / decoding bounds checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
1518
diff
changeset
|
721 if (op->offs + size > len + 1) |
407
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
722 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
723 return dmError(DMERR_INVALID_DATA, |
1588
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
724 "Decode DATA out of bounds, op #%d type=%d, offs=%d ($%04x), " |
510
43ea59887c69
Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents:
508
diff
changeset
|
725 "bank=%d, size=%d ($%04x) @ %d ($%04x)\n", |
407
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
726 i, op->type, op->offs, op->offs, op->bank, size, size, len, len); |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
727 } |
811 | 728 |
407
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
729 src = buf + op->offs; |
811 | 730 |
731 // 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
|
732 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
|
733 { |
1588
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
734 case DT_COLOR_RAM: |
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
735 case DT_SCREEN_RAM: |
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
736 case DT_BITMAP_RAM: |
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
737 case DT_CHAR_DATA: |
1373
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
738 case DT_EXTRA_DATA: |
1588
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
739 switch (op->type) |
1373
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
740 { |
1588
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
741 case DT_COLOR_RAM : blk = &img->color[op->bank]; blkname = "Color RAM"; break; |
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
742 case DT_SCREEN_RAM : blk = &img->screen[op->bank]; blkname = "Screen RAM"; break; |
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
743 case DT_BITMAP_RAM : blk = &img->bitmap[op->bank]; blkname = "Bitmap RAM"; break; |
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
744 case DT_CHAR_DATA : blk = &img->charData[op->bank]; blkname = "Character data"; break; |
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
745 case DT_EXTRA_DATA : blk = &img->extraData[op->bank]; blkname = "Extra data"; break; |
1373
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
746 } |
1588
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
747 if ((dmC64MemBlockAlloc(blk, size)) != DMERR_OK) |
1373
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
748 { |
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
749 return dmError(DMERR_MALLOC, |
1588
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
750 "Could not allocate '%s' block! " |
1373
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
751 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n", |
1588
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
752 blkname, i, op->offs, op->offs, op->bank, size, size, len, len); |
1373
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
753 } |
1588
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
754 memcpy(blk->data, src, size); |
1373
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
755 break; |
917
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
756 |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
757 case DT_COLOR_REG: |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
758 switch (op->size) |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
759 { |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
760 case DC_D020: img->d020 = *src; break; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
761 case DC_BGCOL: |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
762 case DC_D021: img->bgcolor = *src; break; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
763 case DC_D022: img->d022 = *src; break; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
764 case DC_D023: img->d023 = *src; break; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
765 case DC_D024: img->d024 = *src; break; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
766 default: |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
767 return dmError(DMERR_INTERNAL, |
1371 | 768 "Unhandled DT_COLOR_REG mode %d in " |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
769 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n", |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
770 op->size, i, op->offs, op->offs, op->bank, size, size, len, len); |
917
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
771 } |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
772 break; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
773 |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
774 case DT_COLOR_SET: |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
775 switch (op->size) |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
776 { |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
777 case DC_D020: img->d020 = op->offs; break; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
778 case DC_BGCOL: |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
779 case DC_D021: img->bgcolor = op->offs; break; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
780 case DC_D022: img->d022 = op->offs; break; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
781 case DC_D023: img->d023 = op->offs; break; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
782 case DC_D024: img->d024 = op->offs; break; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
783 default: |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
784 return dmError(DMERR_INTERNAL, |
1371 | 785 "Unhandled DT_COLOR_SET mode %d in " |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
786 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n", |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
787 op->size, i, op->offs, op->offs, op->bank, size, size, len, len); |
917
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
788 } |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
789 break; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
790 |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
791 case DT_CHAR_CONFIG: |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
792 switch (op->offs) |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
793 { |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
794 case D64_CHCFG_SCREEN: |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
795 break; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
796 |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
797 case D64_CHCFG_LINEAR: |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
798 { |
1378
c465860e44ed
Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents:
1377
diff
changeset
|
799 for (int bank = 0; bank < img->nbanks; bank++) |
1482
df6dacb48970
Rename some struct members, and sanitize handling of DMC64Image allocation more.
Matti Hamalainen <ccr@tnsp.org>
parents:
1478
diff
changeset
|
800 for (int offs = 0; offs < fmt->chHeight * fmt->chWidth; offs++) |
1588
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
801 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
|
802 } |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
803 break; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
804 |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
805 default: |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
806 return dmError(DMERR_INTERNAL, |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
807 "Unhandled DT_CHAR_CONFIG mode %d in ", |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
808 "op #%d, bank=%d, size=%d ($%04x) @ %d ($%04x)\n", |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
809 op->offs, i, op->bank, size, size, len, len); |
917
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
810 } |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
811 break; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
812 |
510
43ea59887c69
Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents:
508
diff
changeset
|
813 case DT_DEC_FUNCTION: |
1482
df6dacb48970
Rename some struct members, and sanitize handling of DMC64Image allocation more.
Matti Hamalainen <ccr@tnsp.org>
parents:
1478
diff
changeset
|
814 if (op->decFunction == NULL) |
407
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
815 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
816 return dmError(DMERR_INTERNAL, |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
817 "Decode op is a function, but function ptr is NULL: " |
510
43ea59887c69
Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents:
508
diff
changeset
|
818 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n", |
407
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
819 i, op->offs, op->offs, op->bank, size, size, len, len); |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
820 } |
1486
bc13af8954d7
Add DMC64ImageFormat to C64 bitmap format encoding/decoding ops function parameters.
Matti Hamalainen <ccr@tnsp.org>
parents:
1485
diff
changeset
|
821 if (!op->decFunction(img, op, buf, len, 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
|
822 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
823 return dmError(DMERR_INTERNAL, |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
824 "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
|
825 "offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n", |
407
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
826 i, op->offs, op->offs, op->bank, size, size, len, len); |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
827 } |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
828 break; |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
829 } |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
830 } |
916 | 831 |
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
|
832 // Sanity check certain things .. |
948d6fda722d
Add sanity check for interlaced formats: check that the interlace type flags are set.
Matti Hamalainen <ccr@tnsp.org>
parents:
1645
diff
changeset
|
833 if ((fmt->type & D64_FMT_ILACE) && img->laceType == D64_ILACE_NONE) |
948d6fda722d
Add sanity check for interlaced formats: check that the interlace type flags are set.
Matti Hamalainen <ccr@tnsp.org>
parents:
1645
diff
changeset
|
834 { |
948d6fda722d
Add sanity check for interlaced formats: check that the interlace type flags are set.
Matti Hamalainen <ccr@tnsp.org>
parents:
1645
diff
changeset
|
835 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
|
836 "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
|
837 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
|
838 } |
948d6fda722d
Add sanity check for interlaced formats: check that the interlace type flags are set.
Matti Hamalainen <ccr@tnsp.org>
parents:
1645
diff
changeset
|
839 |
508
1ed5025c2538
Return DMLIB error values instead of arbitrary 0/negatives.
Matti Hamalainen <ccr@tnsp.org>
parents:
507
diff
changeset
|
840 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
|
841 } |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
842 |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
843 |
1499
32640e1934d5
Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents:
1498
diff
changeset
|
844 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
|
845 { |
1365
60d7240e1a63
Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents:
1364
diff
changeset
|
846 int res = DMERR_OK; |
532
128a50feff07
Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents:
531
diff
changeset
|
847 |
1469
0046b4e1b35f
Various fixes in bmp encoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
1467
diff
changeset
|
848 if (img == NULL || fmt == NULL) |
532
128a50feff07
Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents:
531
diff
changeset
|
849 return DMERR_NULLPTR; |
128a50feff07
Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents:
531
diff
changeset
|
850 |
1499
32640e1934d5
Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents:
1498
diff
changeset
|
851 // Allocate the output buffer if requested |
32640e1934d5
Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents:
1498
diff
changeset
|
852 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
|
853 { |
1472
b9d3577d8290
Improve error handling and checking.
Matti Hamalainen <ccr@tnsp.org>
parents:
1471
diff
changeset
|
854 dmError(res, |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
855 "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
|
856 fmt->size); |
1447 | 857 goto err; |
532
128a50feff07
Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents:
531
diff
changeset
|
858 } |
128a50feff07
Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents:
531
diff
changeset
|
859 |
1534
acad4974dc09
Use the DMGrowBuf push/pop functionality to better implement the stacked
Matti Hamalainen <ccr@tnsp.org>
parents:
1528
diff
changeset
|
860 dmGrowBufPush(buf); |
1506
4fd4e7a00db4
Fix handling of predefined DMGrowBuffer in dmC64EncodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents:
1505
diff
changeset
|
861 |
532
128a50feff07
Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents:
531
diff
changeset
|
862 // Perform encoding |
1365
60d7240e1a63
Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents:
1364
diff
changeset
|
863 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
|
864 { |
1591
3cc7b2aadda3
Add inline helper function fmtGetEncDecOp() and use it.
Matti Hamalainen <ccr@tnsp.org>
parents:
1588
diff
changeset
|
865 const DMC64EncDecOp *op = fmtGetEncDecOp(fmt, i); |
1364 | 866 size_t size, chksize; |
1600
e28e67358ff6
Fix some uninitialized variable warnings.
Matti Hamalainen <ccr@tnsp.org>
parents:
1597
diff
changeset
|
867 const DMC64MemBlock *blk = NULL; |
e28e67358ff6
Fix some uninitialized variable warnings.
Matti Hamalainen <ccr@tnsp.org>
parents:
1597
diff
changeset
|
868 char *blkname = NULL; |
532
128a50feff07
Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents:
531
diff
changeset
|
869 |
1365
60d7240e1a63
Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents:
1364
diff
changeset
|
870 // Check for last operator |
60d7240e1a63
Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents:
1364
diff
changeset
|
871 if (op->type == DT_LAST) |
60d7240e1a63
Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents:
1364
diff
changeset
|
872 break; |
60d7240e1a63
Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents:
1364
diff
changeset
|
873 |
811 | 874 // Check operation validity |
1378
c465860e44ed
Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents:
1377
diff
changeset
|
875 if ((res = dmC64SanityCheckEncDecOp(i, op, img)) != DMERR_OK) |
1447 | 876 goto err; |
532
128a50feff07
Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents:
531
diff
changeset
|
877 |
811 | 878 // Check size |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
879 if (!dmC64GetOpSize(op, fmt, &size)) |
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
880 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
881 res = dmError(DMERR_INVALID_DATA, |
1511
62ede0de6ab0
Fix an error message, should be "Encode", not "Decode".
Matti Hamalainen <ccr@tnsp.org>
parents:
1510
diff
changeset
|
882 "Encode op SIZE out of bounds, op #%d type=%d, offs=%d ($%04x), " |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
883 "bank=%d, size=%d ($%04x) vs. allocated %d ($%04x)\n", |
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
884 i, op->type, op->offs, op->offs, op->bank, size, size, op->size, op->size); |
1447 | 885 goto err; |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
886 } |
532
128a50feff07
Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents:
531
diff
changeset
|
887 |
811 | 888 // Do we need to reallocate some more space? |
1534
acad4974dc09
Use the DMGrowBuf push/pop functionality to better implement the stacked
Matti Hamalainen <ccr@tnsp.org>
parents:
1528
diff
changeset
|
889 chksize = 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
|
890 if (!dmGrowBufCheckGrow(buf, chksize)) |
532
128a50feff07
Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents:
531
diff
changeset
|
891 { |
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
|
892 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
|
893 "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
|
894 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
|
895 goto err; |
532
128a50feff07
Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents:
531
diff
changeset
|
896 } |
128a50feff07
Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents:
531
diff
changeset
|
897 |
1487
06df2bdf5dc4
Various fixes to dmC64EncodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents:
1486
diff
changeset
|
898 if (chksize > buf->len) |
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
|
899 buf->len = chksize; |
532
128a50feff07
Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents:
531
diff
changeset
|
900 |
811 | 901 // Perform operation |
1534
acad4974dc09
Use the DMGrowBuf push/pop functionality to better implement the stacked
Matti Hamalainen <ccr@tnsp.org>
parents:
1528
diff
changeset
|
902 Uint8 *dst = buf->data + op->offs; |
532
128a50feff07
Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents:
531
diff
changeset
|
903 switch (op->type) |
128a50feff07
Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents:
531
diff
changeset
|
904 { |
1588
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
905 case DT_COLOR_RAM: |
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
906 case DT_SCREEN_RAM: |
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
907 case DT_BITMAP_RAM: |
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
908 case DT_CHAR_DATA: |
1373
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
909 case DT_EXTRA_DATA: |
1588
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
910 switch (op->type) |
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
911 { |
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
912 case DT_COLOR_RAM : blk = &img->color[op->bank]; blkname = "Color RAM"; break; |
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
913 case DT_SCREEN_RAM : blk = &img->screen[op->bank]; blkname = "Screen RAM"; break; |
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
914 case DT_BITMAP_RAM : blk = &img->bitmap[op->bank]; blkname = "Bitmap RAM"; break; |
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
915 case DT_CHAR_DATA : blk = &img->charData[op->bank]; blkname = "Character data"; break; |
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
916 case DT_EXTRA_DATA : blk = &img->extraData[op->bank]; blkname = "Extra data"; break; |
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
917 } |
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
918 if (blk->data == NULL) |
1373
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
919 { |
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
920 res = dmError(DMERR_NULLPTR, |
1588
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
921 "'%s' block is NULL in " |
1373
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
922 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n", |
1588
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
923 blkname, i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len); |
1447 | 924 goto err; |
1373
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
925 } |
1588
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
926 if (size > blk->size) |
1373
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
927 { |
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
928 res = dmError(DMERR_INTERNAL, |
1588
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
929 "'%s' size mismatch %d <> %d in " |
1373
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
930 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n", |
1588
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
931 blkname, op->size, blk->size, i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len); |
1447 | 932 goto err; |
1373
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
933 } |
1588
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
934 memcpy(dst, blk->data, size); |
1373
fc5ee5b4b0e9
Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents:
1372
diff
changeset
|
935 break; |
917
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
936 |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
937 case DT_COLOR_REG: |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
938 switch (op->size) |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
939 { |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
940 case DC_D020: *dst = img->d020; break; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
941 case DC_BGCOL: |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
942 case DC_D021: *dst = img->bgcolor; break; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
943 case DC_D022: *dst = img->d022; break; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
944 case DC_D023: *dst = img->d023; break; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
945 case DC_D024: *dst = img->d024; break; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
946 default: |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
947 res = dmError(DMERR_INTERNAL, |
1500
3223d01ac8e8
Fix some blunders in encode/decode error messages.
Matti Hamalainen <ccr@tnsp.org>
parents:
1499
diff
changeset
|
948 "Unhandled DT_COLOR_REG mode %d in " |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
949 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n", |
1465
88845f95e791
Change dmC64EncodeGenericBMP() to use DMGrowBuf, and make the necessary changes in gfxconv as well.
Matti Hamalainen <ccr@tnsp.org>
parents:
1463
diff
changeset
|
950 op->size, i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len); |
1447 | 951 goto err; |
917
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
952 } |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
953 break; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
954 |
532
128a50feff07
Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents:
531
diff
changeset
|
955 case DT_ENC_FUNCTION: |
1482
df6dacb48970
Rename some struct members, and sanitize handling of DMC64Image allocation more.
Matti Hamalainen <ccr@tnsp.org>
parents:
1478
diff
changeset
|
956 if (op->encFunction == NULL) |
904
d3cd9f2a8ef1
Some dummy code for encfunctions.
Matti Hamalainen <ccr@tnsp.org>
parents:
903
diff
changeset
|
957 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
958 res = dmError(DMERR_INTERNAL, |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
959 "Encode op is a function, but function ptr is NULL: " |
904
d3cd9f2a8ef1
Some dummy code for encfunctions.
Matti Hamalainen <ccr@tnsp.org>
parents:
903
diff
changeset
|
960 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\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
|
961 i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len); |
1447 | 962 goto err; |
904
d3cd9f2a8ef1
Some dummy code for encfunctions.
Matti Hamalainen <ccr@tnsp.org>
parents:
903
diff
changeset
|
963 } |
1486
bc13af8954d7
Add DMC64ImageFormat to C64 bitmap format encoding/decoding ops function parameters.
Matti Hamalainen <ccr@tnsp.org>
parents:
1485
diff
changeset
|
964 if (!op->encFunction(op, buf, img, fmt)) |
904
d3cd9f2a8ef1
Some dummy code for encfunctions.
Matti Hamalainen <ccr@tnsp.org>
parents:
903
diff
changeset
|
965 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
966 res = dmError(DMERR_INTERNAL, |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
946
diff
changeset
|
967 "Encode op custom function failed: op #%d, " |
904
d3cd9f2a8ef1
Some dummy code for encfunctions.
Matti Hamalainen <ccr@tnsp.org>
parents:
903
diff
changeset
|
968 "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
|
969 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
|
970 goto err; |
904
d3cd9f2a8ef1
Some dummy code for encfunctions.
Matti Hamalainen <ccr@tnsp.org>
parents:
903
diff
changeset
|
971 } |
532
128a50feff07
Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents:
531
diff
changeset
|
972 break; |
128a50feff07
Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents:
531
diff
changeset
|
973 } |
128a50feff07
Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents:
531
diff
changeset
|
974 } |
128a50feff07
Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents:
531
diff
changeset
|
975 |
1534
acad4974dc09
Use the DMGrowBuf push/pop functionality to better implement the stacked
Matti Hamalainen <ccr@tnsp.org>
parents:
1528
diff
changeset
|
976 dmGrowBufPop(buf); |
acad4974dc09
Use the DMGrowBuf push/pop functionality to better implement the stacked
Matti Hamalainen <ccr@tnsp.org>
parents:
1528
diff
changeset
|
977 |
1448
50402c225ef4
Do not insert load address to the buffer beginning in dmC64EncodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents:
1447
diff
changeset
|
978 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
|
979 |
1447 | 980 err: |
532
128a50feff07
Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents:
531
diff
changeset
|
981 return res; |
128a50feff07
Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents:
531
diff
changeset
|
982 } |
128a50feff07
Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents:
531
diff
changeset
|
983 |
128a50feff07
Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents:
531
diff
changeset
|
984 |
530
5b37a2e427b7
Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents:
529
diff
changeset
|
985 // 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
|
986 // a indexed/paletted bitmap image. |
1375
f5368c13a872
Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents:
1373
diff
changeset
|
987 int dmC64ConvertGenericBMP2Image(DMImage *dst, const DMC64Image *src, 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
|
988 { |
1375
f5368c13a872
Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents:
1373
diff
changeset
|
989 DMC64GetPixelFunc getPixel; |
530
5b37a2e427b7
Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents:
529
diff
changeset
|
990 |
556
44d1e0d4acf3
Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
548
diff
changeset
|
991 // Sanity check arguments |
44d1e0d4acf3
Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
548
diff
changeset
|
992 if (dst == NULL || src == NULL) |
44d1e0d4acf3
Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
548
diff
changeset
|
993 return DMERR_NULLPTR; |
44d1e0d4acf3
Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
548
diff
changeset
|
994 |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
995 if (dst->width < src->width || dst->height < src->height) |
1460 | 996 { |
997 return dmError(DMERR_INVALID_DATA, | |
998 "Invalid src vs. dst width/height %d x %d <-> %d x %d\n", | |
999 src->width, src->height, dst->width, dst->height); | |
1000 } | |
556
44d1e0d4acf3
Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
548
diff
changeset
|
1001 |
1167 | 1002 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
|
1003 |
1375
f5368c13a872
Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents:
1373
diff
changeset
|
1004 // Check pixel getter function |
f5368c13a872
Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents:
1373
diff
changeset
|
1005 if (fmt->getPixel != NULL) |
f5368c13a872
Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents:
1373
diff
changeset
|
1006 getPixel = fmt->getPixel; |
f5368c13a872
Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents:
1373
diff
changeset
|
1007 else |
1376
67ae449cf9e1
More work on making various FLI etc. format decoding more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents:
1375
diff
changeset
|
1008 getPixel = (fmt->type & D64_FMT_MC) ? fmtGetGenericMCPixel : fmtGetGenericSCPixel; |
1375
f5368c13a872
Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents:
1373
diff
changeset
|
1009 |
1362
7bc67ba68904
Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents:
1361
diff
changeset
|
1010 // Resolution interlaced pics need to halve the source width |
7bc67ba68904
Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents:
1361
diff
changeset
|
1011 int rwidth = src->width; |
7bc67ba68904
Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents:
1361
diff
changeset
|
1012 if ((src->type & D64_FMT_ILACE) && src->laceType == D64_ILACE_RES) |
7bc67ba68904
Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents:
1361
diff
changeset
|
1013 rwidth /= 2; |
7bc67ba68904
Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents:
1361
diff
changeset
|
1014 |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
1015 // Perform conversion |
1411 | 1016 Uint8 *dp = dst->data; |
1017 for (int yc = 0; yc < src->height; yc++) | |
917
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
1018 { |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
1019 Uint8 *d = dp; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
1020 const int y = yc / 8, yb = yc & 7; |
1482
df6dacb48970
Rename some struct members, and sanitize handling of DMC64Image allocation more.
Matti Hamalainen <ccr@tnsp.org>
parents:
1478
diff
changeset
|
1021 const int scroffsy = y * src->chWidth; |
917
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
1022 int xc; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
1023 |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
1024 if (src->type & D64_FMT_CHAR) |
917
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
1025 { |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
1026 // Charmode conversion |
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
1027 if ((src->type & D64_FMT_MC) == D64_FMT_HIRES) |
917
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
1028 // Hi-res charmap |
1362
7bc67ba68904
Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents:
1361
diff
changeset
|
1029 for (xc = 0; xc < rwidth; xc++) |
917
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
1030 { |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
1031 const int x = xc / 8; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
1032 const int scroffs = scroffsy + x; |
1588
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
1033 const int chr = src->screen[0].data[scroffs]; |
917
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
1034 const int v = 7 - (xc & 7); |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
1035 |
1588
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
1036 if ((src->charData[0].data[chr * C64_CHR_SIZE + yb] >> v) & 1) |
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
1037 *d++ = src->color[0].data[scroffs]; |
917
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
1038 else |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
1039 *d++ = src->bgcolor; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
1040 } |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
1041 else |
917
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
1042 // Multicolor variants |
1362
7bc67ba68904
Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents:
1361
diff
changeset
|
1043 for (xc = 0; xc < rwidth; xc++) |
917
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
1044 { |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
1045 const int x = xc / 4; |
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
1046 const int scroffs = scroffsy + x; |
1588
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
1047 const int chr = src->screen[0].data[scroffs]; |
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
1048 const int col = src->color[0].data[scroffs] & 15; |
925 | 1049 |
944
c62bb4028cf0
Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents:
943
diff
changeset
|
1050 if (col & 8) |
917
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
1051 { |
944
c62bb4028cf0
Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents:
943
diff
changeset
|
1052 const int v = 6 - ((xc * 2) & 6); |
1588
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
1053 switch ((src->charData[0].data[chr * C64_CHR_SIZE + yb] >> v) & 3) |
944
c62bb4028cf0
Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents:
943
diff
changeset
|
1054 { |
c62bb4028cf0
Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents:
943
diff
changeset
|
1055 case 0: *d++ = src->bgcolor; break; |
c62bb4028cf0
Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents:
943
diff
changeset
|
1056 case 1: *d++ = src->d022; break; |
c62bb4028cf0
Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents:
943
diff
changeset
|
1057 case 2: *d++ = src->d023; break; |
c62bb4028cf0
Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents:
943
diff
changeset
|
1058 case 3: *d++ = col; |
c62bb4028cf0
Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents:
943
diff
changeset
|
1059 } |
917
df3a74f230d9
Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
916
diff
changeset
|
1060 } |
944
c62bb4028cf0
Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents:
943
diff
changeset
|
1061 else |
c62bb4028cf0
Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents:
943
diff
changeset
|
1062 { |
c62bb4028cf0
Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents:
943
diff
changeset
|
1063 const int v = 7 - (xc & 7); |
1588
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
1064 if ((src->charData[0].data[chr * C64_CHR_SIZE + yb] >> v) & 1) |
ca087c0cc9c4
Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents:
1586
diff
changeset
|
1065 *d++ = src->color[0].data[scroffs]; |
944
c62bb4028cf0
Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents:
943
diff
changeset
|
1066 else |
c62bb4028cf0
Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents:
943
diff
changeset
|
1067 *d++ = src->bgcolor; |
c62bb4028cf0
Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents:
943
diff
changeset
|
1068 } |
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 } |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
1071 else |
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
1072 { |
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
1073 // Perform generic BITMAP conversion |
1482
df6dacb48970
Rename some struct members, and sanitize handling of DMC64Image allocation more.
Matti Hamalainen <ccr@tnsp.org>
parents:
1478
diff
changeset
|
1074 const int bmoffsy = y * src->chWidth * 8 + yb; |
407
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1075 |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
1076 if ((src->type & D64_FMT_MC) == D64_FMT_HIRES) |
811 | 1077 // Hi-res bitmap |
1362
7bc67ba68904
Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents:
1361
diff
changeset
|
1078 for (xc = 0; xc < rwidth; xc++) |
530
5b37a2e427b7
Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents:
529
diff
changeset
|
1079 { |
5b37a2e427b7
Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents:
529
diff
changeset
|
1080 const int x = xc / 8; |
5b37a2e427b7
Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents:
529
diff
changeset
|
1081 const int scroffs = scroffsy + x; |
940
ff18d2511843
Remove the doubleMC madness completely. Should be replaced with x/y aspect
Matti Hamalainen <ccr@tnsp.org>
parents:
939
diff
changeset
|
1082 const int bmoffs = bmoffsy + (x * 8); |
1375
f5368c13a872
Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents:
1373
diff
changeset
|
1083 const int vshift = 7 - (xc & 7); |
530
5b37a2e427b7
Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents:
529
diff
changeset
|
1084 |
1387
14d79e4d82cf
Oops, 100L. Had forgotten to change singlecolor mode handling pixel getter
Matti Hamalainen <ccr@tnsp.org>
parents:
1385
diff
changeset
|
1085 *d++ = getPixel(src, bmoffs, scroffs, vshift, 0, yc); |
530
5b37a2e427b7
Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents:
529
diff
changeset
|
1086 } |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
1087 else |
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
1088 // Multicolor bitmap and variants |
1362
7bc67ba68904
Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents:
1361
diff
changeset
|
1089 for (xc = 0; xc < rwidth; xc++) |
529
1bce06b5026f
Combine conversion of interlaced and normal multicolor images to one function.
Matti Hamalainen <ccr@tnsp.org>
parents:
528
diff
changeset
|
1090 { |
901
f532262f90b1
Actually fix commit 16aa5955dfb5.
Matti Hamalainen <ccr@tnsp.org>
parents:
857
diff
changeset
|
1091 const int x = xc / 4; |
f532262f90b1
Actually fix commit 16aa5955dfb5.
Matti Hamalainen <ccr@tnsp.org>
parents:
857
diff
changeset
|
1092 const int scroffs = scroffsy + x; |
940
ff18d2511843
Remove the doubleMC madness completely. Should be replaced with x/y aspect
Matti Hamalainen <ccr@tnsp.org>
parents:
939
diff
changeset
|
1093 const int bmoffs = bmoffsy + (x * 8); |
1375
f5368c13a872
Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents:
1373
diff
changeset
|
1094 const int vshift = 6 - ((xc * 2) & 6); |
530
5b37a2e427b7
Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents:
529
diff
changeset
|
1095 |
5b37a2e427b7
Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents:
529
diff
changeset
|
1096 if (src->type & D64_FMT_ILACE) |
5b37a2e427b7
Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents:
529
diff
changeset
|
1097 { |
1362
7bc67ba68904
Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents:
1361
diff
changeset
|
1098 switch (src->laceType) |
7bc67ba68904
Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents:
1361
diff
changeset
|
1099 { |
7bc67ba68904
Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents:
1361
diff
changeset
|
1100 case D64_ILACE_RES: |
1376
67ae449cf9e1
More work on making various FLI etc. format decoding more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents:
1375
diff
changeset
|
1101 *d++ = getPixel(src, bmoffs, scroffs, vshift, 0, yc); |
67ae449cf9e1
More work on making various FLI etc. format decoding more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents:
1375
diff
changeset
|
1102 *d++ = getPixel(src, bmoffs, scroffs, vshift, 1, yc); |
1362
7bc67ba68904
Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents:
1361
diff
changeset
|
1103 break; |
1366
d4387509a363
Return DMERR_NOT_SUPPORTED for decoding color-interlaced images, for now
Matti Hamalainen <ccr@tnsp.org>
parents:
1365
diff
changeset
|
1104 |
d4387509a363
Return DMERR_NOT_SUPPORTED for decoding color-interlaced images, for now
Matti Hamalainen <ccr@tnsp.org>
parents:
1365
diff
changeset
|
1105 default: |
d4387509a363
Return DMERR_NOT_SUPPORTED for decoding color-interlaced images, for now
Matti Hamalainen <ccr@tnsp.org>
parents:
1365
diff
changeset
|
1106 return DMERR_NOT_SUPPORTED; |
1362
7bc67ba68904
Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents:
1361
diff
changeset
|
1107 } |
530
5b37a2e427b7
Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents:
529
diff
changeset
|
1108 } |
5b37a2e427b7
Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents:
529
diff
changeset
|
1109 else |
5b37a2e427b7
Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents:
529
diff
changeset
|
1110 { |
1376
67ae449cf9e1
More work on making various FLI etc. format decoding more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents:
1375
diff
changeset
|
1111 *d++ = getPixel(src, bmoffs, scroffs, vshift, 0, yc); |
530
5b37a2e427b7
Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents:
529
diff
changeset
|
1112 } |
529
1bce06b5026f
Combine conversion of interlaced and normal multicolor images to one function.
Matti Hamalainen <ccr@tnsp.org>
parents:
528
diff
changeset
|
1113 } |
407
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1114 } |
530
5b37a2e427b7
Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents:
529
diff
changeset
|
1115 dp += dst->pitch; |
407
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1116 } |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1117 |
508
1ed5025c2538
Return DMLIB error values instead of arbitrary 0/negatives.
Matti Hamalainen <ccr@tnsp.org>
parents:
507
diff
changeset
|
1118 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
|
1119 } |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1120 |
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1121 |
940
ff18d2511843
Remove the doubleMC madness completely. Should be replaced with x/y aspect
Matti Hamalainen <ccr@tnsp.org>
parents:
939
diff
changeset
|
1122 int dmC64ConvertBMP2Image(DMImage **pdst, const DMC64Image *src, const DMC64ImageFormat *fmt) |
556
44d1e0d4acf3
Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
548
diff
changeset
|
1123 { |
940
ff18d2511843
Remove the doubleMC madness completely. Should be replaced with x/y aspect
Matti Hamalainen <ccr@tnsp.org>
parents:
939
diff
changeset
|
1124 int res; |
556
44d1e0d4acf3
Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
548
diff
changeset
|
1125 DMImage *dst; |
44d1e0d4acf3
Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
548
diff
changeset
|
1126 |
44d1e0d4acf3
Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
548
diff
changeset
|
1127 if (pdst == NULL || src == NULL) |
44d1e0d4acf3
Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
548
diff
changeset
|
1128 return DMERR_NULLPTR; |
44d1e0d4acf3
Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
548
diff
changeset
|
1129 |
44d1e0d4acf3
Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
548
diff
changeset
|
1130 // Allocate image structure |
1289 | 1131 if ((*pdst = dst = dmImageAlloc(src->width, src->height, DM_IFMT_PALETTE, -1)) == NULL) |
556
44d1e0d4acf3
Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
548
diff
changeset
|
1132 return DMERR_MALLOC; |
44d1e0d4acf3
Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
548
diff
changeset
|
1133 |
1426
4c7b456d7f0b
Rename global dmC64Palette to dmDefaultC64Palette.
Matti Hamalainen <ccr@tnsp.org>
parents:
1425
diff
changeset
|
1134 // Set partial palette information |
556
44d1e0d4acf3
Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
548
diff
changeset
|
1135 dst->ncolors = C64_NCOLORS; |
44d1e0d4acf3
Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
548
diff
changeset
|
1136 dst->constpal = TRUE; |
44d1e0d4acf3
Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
548
diff
changeset
|
1137 |
44d1e0d4acf3
Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
548
diff
changeset
|
1138 // Convert |
44d1e0d4acf3
Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
548
diff
changeset
|
1139 if (fmt->convertFrom != NULL) |
1375
f5368c13a872
Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents:
1373
diff
changeset
|
1140 res = fmt->convertFrom(dst, src, fmt); |
556
44d1e0d4acf3
Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
548
diff
changeset
|
1141 else |
1375
f5368c13a872
Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents:
1373
diff
changeset
|
1142 res = dmC64ConvertGenericBMP2Image(dst, src, fmt); |
556
44d1e0d4acf3
Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
548
diff
changeset
|
1143 |
44d1e0d4acf3
Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
548
diff
changeset
|
1144 return res; |
44d1e0d4acf3
Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
548
diff
changeset
|
1145 } |
44d1e0d4acf3
Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
548
diff
changeset
|
1146 |
407
59244a7ae37f
Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1147 |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
1148 int dmC64DecodeBMP(DMC64Image **img, const Uint8 *buf, const size_t len, |
419
936bc27a79d6
Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents:
410
diff
changeset
|
1149 const size_t probeOffs, const size_t loadOffs, |
516 | 1150 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
|
1151 { |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
1152 if (img == NULL) |
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
1153 return DMERR_NULLPTR; |
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
1154 |
419
936bc27a79d6
Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents:
410
diff
changeset
|
1155 // Check for forced format |
936bc27a79d6
Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents:
410
diff
changeset
|
1156 if (forced != NULL) |
936bc27a79d6
Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents:
410
diff
changeset
|
1157 *fmt = forced; |
936bc27a79d6
Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents:
410
diff
changeset
|
1158 else |
936bc27a79d6
Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents:
410
diff
changeset
|
1159 { |
936bc27a79d6
Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents:
410
diff
changeset
|
1160 // Nope, perform a generic probe |
936bc27a79d6
Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents:
410
diff
changeset
|
1161 if (probeOffs >= len) |
1460 | 1162 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
|
1163 |
537
32d9e67da189
Rename generic probing function to match the style of other lib64gfx functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
536
diff
changeset
|
1164 if (dmC64ProbeBMP(buf + probeOffs, len - probeOffs, fmt) == DM_PROBE_SCORE_FALSE) |
1460 | 1165 return DMERR_NOT_SUPPORTED; |
419
936bc27a79d6
Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents:
410
diff
changeset
|
1166 } |
936bc27a79d6
Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents:
410
diff
changeset
|
1167 |
936bc27a79d6
Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents:
410
diff
changeset
|
1168 if (loadOffs >= len) |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
1169 return DMERR_INVALID_ARGS; |
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
1170 |
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
1171 if (*fmt == NULL) |
1548
20cd589366d7
Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1542
diff
changeset
|
1172 return DMERR_NOT_SUPPORTED; |
20cd589366d7
Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1542
diff
changeset
|
1173 |
20cd589366d7
Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1542
diff
changeset
|
1174 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
|
1175 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
|
1176 |
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
1177 // Allocate memory |
1378
c465860e44ed
Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents:
1377
diff
changeset
|
1178 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
|
1179 return DMERR_MALLOC; |
419
936bc27a79d6
Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents:
410
diff
changeset
|
1180 |
936bc27a79d6
Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents:
410
diff
changeset
|
1181 // 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
|
1182 if ((*fmt)->decode != NULL) |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
1183 return (*fmt)->decode(*img, buf + loadOffs, len - loadOffs, *fmt); |
419
936bc27a79d6
Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents:
410
diff
changeset
|
1184 else |
931
2270d7f3af77
Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents:
927
diff
changeset
|
1185 return dmC64DecodeGenericBMP(*img, buf + loadOffs, len - loadOffs, *fmt); |
419
936bc27a79d6
Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents:
410
diff
changeset
|
1186 } |
1467
32203356c652
Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
1466
diff
changeset
|
1187 |
32203356c652
Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
1466
diff
changeset
|
1188 |
32203356c652
Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
1466
diff
changeset
|
1189 // Convert a generic bitmap image to DMC64Image |
32203356c652
Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
1466
diff
changeset
|
1190 int dmC64ConvertGenericImage2BMP(DMC64Image *dst, const DMImage *src, 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
|
1191 { |
32203356c652
Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
1466
diff
changeset
|
1192 if (dst == NULL || src == NULL || 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
|
1193 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
|
1194 |
32203356c652
Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
1466
diff
changeset
|
1195 return 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
|
1196 } |
32203356c652
Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
1466
diff
changeset
|
1197 |
32203356c652
Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
1466
diff
changeset
|
1198 |
32203356c652
Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
1466
diff
changeset
|
1199 int dmC64ConvertImage2BMP(DMC64Image **pdst, const DMImage *src, 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
|
1200 { |
32203356c652
Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
1466
diff
changeset
|
1201 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
|
1202 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
|
1203 |
32203356c652
Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
1466
diff
changeset
|
1204 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
|
1205 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
|
1206 |
32203356c652
Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
1466
diff
changeset
|
1207 // 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
|
1208 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
|
1209 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
|
1210 |
32203356c652
Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
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1211 // Convert |
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Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
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1212 if (fmt->convertTo != NULL) |
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Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
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1213 res = fmt->convertTo(dst, src, fmt); |
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1214 else |
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Add some new functions that are mostly just stubs and not working tho.
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1215 res = dmC64ConvertGenericImage2BMP(dst, src, fmt); |
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Add some new functions that are mostly just stubs and not working tho.
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|
1216 |
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|
1217 return res; |
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Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
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1218 } |
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|
1219 |
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|
1220 |
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1221 int dmC64EncodeBMP(DMGrowBuf *buf, const DMC64Image *img, const DMC64ImageFormat *fmt) |
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1222 { |
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Matti Hamalainen <ccr@tnsp.org>
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1223 int res; |
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1224 |
1580
72f809e6eb3c
Add NULL check for growbuf pointer.
Matti Hamalainen <ccr@tnsp.org>
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1225 if (buf == NULL || img == NULL || fmt == NULL) |
1467
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1226 return DMERR_NULLPTR; |
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1227 |
1548
20cd589366d7
Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
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diff
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1228 if ((fmt->flags & DM_FMT_WR) == 0) |
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Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
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diff
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|
1229 return DMERR_NOT_SUPPORTED; |
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diff
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|
1230 |
1499
32640e1934d5
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1231 // Allocate a buffer |
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1232 if ((res = dmGrowBufAlloc(buf, BUF_SIZE_INITIAL, BUF_SIZE_GROW)) != DMERR_OK) |
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|
1233 goto err; |
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diff
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|
1234 |
32640e1934d5
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|
1235 // Add the loading address |
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1236 if (!dmGrowBufPutU8(buf, DM_GET_ADDR_LO(fmt->addr)) || |
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diff
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|
1237 !dmGrowBufPutU8(buf, DM_GET_ADDR_HI(fmt->addr))) |
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diff
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|
1238 goto err; |
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diff
changeset
|
1239 |
1467
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1240 // Attempt to encode the image to a buffer |
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|
1241 if (fmt->encode != NULL) |
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1242 res = fmt->encode(buf, img, fmt); |
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|
1243 else |
1499
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diff
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|
1244 res = dmC64EncodeGenericBMP(FALSE, buf, img, fmt); |
1467
32203356c652
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|
1245 |
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|
1246 if (res != DMERR_OK) |
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|
1247 goto err; |
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diff
changeset
|
1248 |
1469
0046b4e1b35f
Various fixes in bmp encoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
1249 return DMERR_OK; |
1467
32203356c652
Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
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diff
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|
1250 |
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|
1251 err: |
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changeset
|
1252 dmGrowBufFree(buf); |
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Matti Hamalainen <ccr@tnsp.org>
parents:
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changeset
|
1253 return res; |
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Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
1254 } |