Mercurial > hg > dmlib
annotate tools/libgfx.c @ 2384:36edd316184a
Fix some format strings to use proper PRI*_SIZE_T where necessary.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Thu, 09 Jan 2020 15:20:23 +0200 |
parents | 82cb32297ed2 |
children | 85700c9b7dc8 |
rev | line source |
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435 | 1 /* |
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2 * Functions for reading and converting various graphics file formats |
435 | 3 * Programmed and designed by Matti 'ccr' Hamalainen |
2371 | 4 * (C) Copyright 2012-2020 Tecnic Software productions (TNSP) |
435 | 5 * |
6 * Please read file 'COPYING' for information on license and distribution. | |
7 */ | |
8 #include "libgfx.h" | |
9 | |
10 #ifdef DM_USE_LIBPNG | |
11 #include <png.h> | |
12 #endif | |
13 | |
14 | |
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15 int dmGFXErrorMode = DM_ERRMODE_FAIL; |
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16 |
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17 |
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18 void dmInitBitStreamContext(DMBitStreamContext *ctx) |
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19 { |
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20 ctx->outBuf = 0; |
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21 ctx->outByteCount = 0; |
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22 ctx->outBitCount = 0; |
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23 |
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24 ctx->inBuf = 0; |
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25 ctx->inByteCount = 0; |
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26 ctx->inBitCount = 0; |
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27 } |
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28 |
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29 |
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30 int dmPutBits(DMBitStreamContext *ctx, const unsigned int val, const unsigned int n) |
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31 { |
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32 for (unsigned int i = 0; i < n; i++) |
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33 { |
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34 ctx->outBuf <<= 1; |
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35 |
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36 if (val & (1 << (n - 1 - i))) |
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37 ctx->outBuf |= 1; |
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38 |
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39 ctx->outBitCount++; |
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40 if (ctx->outBitCount == 8) |
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41 { |
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42 int ret; |
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43 if ((ret = ctx->putByte(ctx)) != DMERR_OK) |
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44 return ret; |
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45 |
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46 ctx->outBitCount = 0; |
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47 ctx->outByteCount++; |
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48 } |
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49 } |
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50 |
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51 return DMERR_OK; |
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52 } |
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53 |
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54 |
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55 int dmGetBits(DMBitStreamContext *ctx, unsigned int *val, const unsigned int n) |
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56 { |
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57 *val = 0; |
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58 |
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59 for (unsigned int i = 0; i < n; i++) |
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60 { |
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61 if (ctx->inBitCount == 0) |
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62 { |
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63 int ret; |
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64 if ((ret = ctx->getByte(ctx)) != DMERR_OK) |
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65 return ret; |
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66 |
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67 ctx->inBitCount = 8; |
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68 ctx->inByteCount++; |
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69 } |
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70 |
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71 *val <<= 1; |
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72 *val |= ctx->inBuf >> 7 & 1; |
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73 |
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74 ctx->inBuf <<= 1; |
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75 ctx->inBitCount--; |
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76 } |
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77 |
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78 return DMERR_OK; |
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79 } |
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80 |
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81 |
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82 int dmFlushBitStream(DMBitStreamContext *ctx) |
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83 { |
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84 if (ctx == NULL) |
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85 return DMERR_NULLPTR; |
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86 |
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87 if (ctx->outBitCount > 0) |
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88 return dmPutBits(ctx, 0, 8 - ctx->outBitCount); |
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89 |
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90 return DMERR_OK; |
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91 } |
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92 |
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93 |
2100
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94 int dmGetNPlanesFromNColors(const int ncolors) |
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95 { |
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96 if (ncolors <= 0) |
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97 return -1; |
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98 |
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99 for (int n = 8; n >= 0;) |
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100 { |
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101 if ((ncolors - 1) & (1 << n)) |
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102 return n + 1; |
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103 else |
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104 n--; |
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105 } |
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106 |
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107 return -2; |
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108 } |
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109 |
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110 |
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111 BOOL dmCompareColor(const DMColor *c1, const DMColor *c2, const BOOL alpha) |
487
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112 { |
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113 if (c1->r == c2->r && |
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114 c1->g == c2->g && |
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115 c1->b == c2->b) |
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116 return alpha ? (c1->a == c2->a) : TRUE; |
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117 else |
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118 return FALSE; |
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119 } |
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120 |
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121 |
1286 | 122 int dmImageGetBytesPerPixel(const int format) |
123 { | |
124 switch (format) | |
125 { | |
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126 case DM_PIXFMT_GRAYSCALE : return 1; |
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127 case DM_PIXFMT_PALETTE : return 1; |
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128 case DM_PIXFMT_RGB : return 3; |
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129 case DM_PIXFMT_RGBA : return 4; |
1801 | 130 default : return -1; |
1286 | 131 } |
132 } | |
133 | |
134 | |
2091 | 135 int dmImageGetBitsPerPixel(const int format) |
136 { | |
137 return dmImageGetBytesPerPixel(format) * 8; | |
138 } | |
139 | |
140 | |
1286 | 141 DMImage * dmImageAlloc(const int width, const int height, const int format, const int bpp) |
435 | 142 { |
928
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143 DMImage *img = dmMalloc0(sizeof(DMImage)); |
435 | 144 if (img == NULL) |
145 return NULL; | |
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146 |
1286 | 147 img->width = width; |
148 img->height = height; | |
2157
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149 img->pixfmt = format; |
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150 img->bpp = (bpp <= 0) ? dmImageGetBitsPerPixel(format) : bpp; |
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151 img->pitch = (width * img->bpp) / 8; |
1628
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152 img->size = img->pitch * img->height; |
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153 img->aspect = -1; |
930 | 154 |
929
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155 if ((img->data = dmMalloc(img->size)) == NULL) |
435 | 156 { |
157 dmFree(img); | |
158 return NULL; | |
159 } | |
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160 |
435 | 161 return img; |
162 } | |
163 | |
164 | |
165 void dmImageFree(DMImage *img) | |
166 { | |
167 if (img != NULL) | |
168 { | |
169 if (!img->constpal) | |
2094
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170 dmPaletteFree(img->pal); |
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171 |
435 | 172 dmFree(img->data); |
173 dmFree(img); | |
174 } | |
175 } | |
176 | |
177 | |
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178 int dmPaletteAlloc(DMPalette **ppal, const int ncolors, const int ctransp) |
451
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179 { |
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180 DMPalette *pal; |
451
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181 if (ppal == NULL) |
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182 return DMERR_NULLPTR; |
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183 |
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184 *ppal = NULL; |
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185 |
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186 // Allocate palette struct |
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187 if ((pal = dmMalloc0(sizeof(DMPalette))) == NULL) |
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188 return DMERR_MALLOC; |
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189 |
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190 pal->ncolors = ncolors; |
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191 pal->ctransp = ctransp; |
451
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192 |
460
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193 // Allocate desired amount of palette |
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194 if ((pal->colors = dmCalloc(pal->ncolors, sizeof(DMColor))) == NULL) |
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195 { |
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196 dmFree(pal); |
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197 return DMERR_MALLOC; |
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198 } |
460
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199 |
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200 // Set alpha values to max, except for transparent color |
2094
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201 for (int i = 0; i < pal->ncolors; i++) |
460
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202 { |
2094
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203 pal->colors[i].a = (i == pal->ctransp) ? 0x00 : 0xff; |
460
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|
204 } |
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|
205 |
2094
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206 *ppal = pal; |
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207 |
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208 return DMERR_OK; |
451
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|
209 } |
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|
210 |
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|
211 |
2094
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212 int dmPaletteResize(DMPalette **ppal, const int ncolors) |
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213 { |
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|
214 DMPalette *pal; |
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215 |
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216 if (ppal == NULL) |
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217 return DMERR_NULLPTR; |
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218 |
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219 if (ncolors <= 0 || ncolors > 256) |
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220 return DMERR_INVALID_ARGS; |
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|
221 |
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|
222 if (*ppal == NULL) |
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223 return dmPaletteAlloc(ppal, ncolors, -1); |
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|
224 |
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|
225 pal = *ppal; |
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|
226 |
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|
227 if (pal->ncolors == ncolors) |
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228 return DMERR_OK; |
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|
229 |
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230 if ((pal->colors = dmRealloc(pal->colors, sizeof(DMColor) * ncolors)) == NULL) |
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|
231 return DMERR_MALLOC; |
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232 |
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233 if (ncolors - pal->ncolors > 0) |
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234 memset(&(pal->colors[pal->ncolors]), 0, sizeof(DMColor) * (ncolors - pal->ncolors)); |
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|
235 |
2208
90ec1ec89c56
Revamp the palette handling in lib64gfx somewhat, add helper functions to
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parents:
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diff
changeset
|
236 pal->ncolors = ncolors; |
90ec1ec89c56
Revamp the palette handling in lib64gfx somewhat, add helper functions to
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changeset
|
237 |
2094
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|
238 return DMERR_OK; |
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|
239 } |
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|
240 |
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|
241 |
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|
242 int dmPaletteCopy(DMPalette **pdst, const DMPalette *src) |
451
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|
243 { |
2094
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|
244 DMPalette *pal; |
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245 if (pdst == NULL) |
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|
246 return DMERR_NULLPTR; |
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|
247 |
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|
248 *pdst = NULL; |
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|
249 |
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|
250 // Allocate palette struct |
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|
251 if ((pal = dmMalloc(sizeof(DMPalette))) == NULL) |
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|
252 return DMERR_MALLOC; |
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253 |
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|
254 memcpy(pal, src, sizeof(DMPalette)); |
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|
255 |
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|
256 // Allocate desired amount of palette |
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257 if ((pal->colors = dmCalloc(pal->ncolors, sizeof(DMColor))) == NULL) |
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258 { |
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259 dmFree(pal); |
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|
260 return DMERR_MALLOC; |
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|
261 } |
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262 |
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|
263 memcpy(pal->colors, src->colors, sizeof(DMColor) * pal->ncolors); |
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264 *pdst = pal; |
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265 |
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266 return DMERR_OK; |
451
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|
267 } |
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Modularize palette reading and handling code.
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|
268 |
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269 |
2094
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changeset
|
270 void dmPaletteFree(DMPalette *pal) |
451
fdc91f2a0d27
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|
271 { |
2094
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Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
272 if (pal != NULL) |
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diff
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|
273 { |
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Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
274 dmFree(pal->colors); |
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parents:
2093
diff
changeset
|
275 dmFree(pal); |
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parents:
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diff
changeset
|
276 } |
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Revamp how the DMImage palette system and color formats work, as preparation
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parents:
2093
diff
changeset
|
277 } |
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Revamp how the DMImage palette system and color formats work, as preparation
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parents:
2093
diff
changeset
|
278 |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
279 |
2202 | 280 static int dmPaletteReadData(DMResource *fp, DMPalette *pal, const int ncolors) |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
281 { |
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Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
282 if (pal->ncolors < ncolors) |
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Matti Hamalainen <ccr@tnsp.org>
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2093
diff
changeset
|
283 return DMERR_INVALID_ARGS; |
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diff
changeset
|
284 |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
285 for (int i = 0; i < ncolors; i++) |
451
fdc91f2a0d27
Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents:
449
diff
changeset
|
286 { |
fdc91f2a0d27
Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents:
449
diff
changeset
|
287 Uint8 colR, colG, colB; |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
288 if (!dmf_read_byte(fp, &colR) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
289 !dmf_read_byte(fp, &colG) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
290 !dmf_read_byte(fp, &colB)) |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
291 return DMERR_FREAD; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
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diff
changeset
|
292 |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
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parents:
2093
diff
changeset
|
293 pal->colors[i].r = colR; |
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Revamp how the DMImage palette system and color formats work, as preparation
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parents:
2093
diff
changeset
|
294 pal->colors[i].g = colG; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
295 pal->colors[i].b = colB; |
451
fdc91f2a0d27
Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents:
449
diff
changeset
|
296 } |
fdc91f2a0d27
Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents:
449
diff
changeset
|
297 |
2094
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Revamp how the DMImage palette system and color formats work, as preparation
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2093
diff
changeset
|
298 return DMERR_OK; |
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changeset
|
299 } |
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2093
diff
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|
300 |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
301 |
2202 | 302 static int dmPaletteWriteData(DMResource *fp, const DMPalette *pal, |
303 const int ncolors, const int npad) | |
2094
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Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
304 { |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
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2093
diff
changeset
|
305 int i; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
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diff
changeset
|
306 |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
307 if (pal == NULL || fp == NULL) |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
308 return DMERR_NULLPTR; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
309 |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
310 if (pal->ncolors < ncolors) |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
311 return DMERR_INVALID_ARGS; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
312 |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
313 for (i = 0; i < ncolors; i++) |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
314 { |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
315 DMColor *col = &pal->colors[i]; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
316 if (!dmf_write_byte(fp, col->r) || |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
317 !dmf_write_byte(fp, col->g) || |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
318 !dmf_write_byte(fp, col->b)) |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
319 return DMERR_FWRITE; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
320 } |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
321 |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
322 for (; i < npad; i++) |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
323 { |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
324 if (!dmf_write_byte(fp, 0) || |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
325 !dmf_write_byte(fp, 0) || |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
326 !dmf_write_byte(fp, 0)) |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
327 return DMERR_FWRITE; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
328 } |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
329 |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
330 return DMERR_OK; |
451
fdc91f2a0d27
Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents:
449
diff
changeset
|
331 } |
fdc91f2a0d27
Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents:
449
diff
changeset
|
332 |
fdc91f2a0d27
Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents:
449
diff
changeset
|
333 |
2209
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
334 static int fmtProbeACTPalette(const Uint8 *buf, const size_t len) |
2207
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
335 { |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
336 if (len == 0x304 && |
2208
90ec1ec89c56
Revamp the palette handling in lib64gfx somewhat, add helper functions to
Matti Hamalainen <ccr@tnsp.org>
parents:
2207
diff
changeset
|
337 buf[0x300] == 0) |
2207
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
338 return DM_PROBE_SCORE_MAX; |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
339 |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
340 return DM_PROBE_SCORE_FALSE; |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
341 } |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
342 |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
343 |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
344 int dmReadACTPalette(DMResource *fp, DMPalette **pdst) |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
345 { |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
346 int res; |
2208
90ec1ec89c56
Revamp the palette handling in lib64gfx somewhat, add helper functions to
Matti Hamalainen <ccr@tnsp.org>
parents:
2207
diff
changeset
|
347 Uint16 tmp1, tmp2; |
2207
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
348 |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
349 if ((res = dmPaletteAlloc(pdst, 256, -1)) != DMERR_OK) |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
350 return res; |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
351 |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
352 if ((res = dmPaletteReadData(fp, *pdst, 256)) != DMERR_OK) |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
353 goto error; |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
354 |
2208
90ec1ec89c56
Revamp the palette handling in lib64gfx somewhat, add helper functions to
Matti Hamalainen <ccr@tnsp.org>
parents:
2207
diff
changeset
|
355 if (!dmf_read_be16(fp, &tmp1) || |
90ec1ec89c56
Revamp the palette handling in lib64gfx somewhat, add helper functions to
Matti Hamalainen <ccr@tnsp.org>
parents:
2207
diff
changeset
|
356 !dmf_read_be16(fp, &tmp2)) |
2207
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
357 { |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
358 res = DMERR_FREAD; |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
359 goto error; |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
360 } |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
361 |
2208
90ec1ec89c56
Revamp the palette handling in lib64gfx somewhat, add helper functions to
Matti Hamalainen <ccr@tnsp.org>
parents:
2207
diff
changeset
|
362 if (tmp1 == 0 || tmp1 > 256) |
2207
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
363 { |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
364 res = DMERR_INVALID_DATA; |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
365 goto error; |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
366 } |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
367 |
2208
90ec1ec89c56
Revamp the palette handling in lib64gfx somewhat, add helper functions to
Matti Hamalainen <ccr@tnsp.org>
parents:
2207
diff
changeset
|
368 if ((res = dmPaletteResize(pdst, tmp1)) != DMERR_OK) |
90ec1ec89c56
Revamp the palette handling in lib64gfx somewhat, add helper functions to
Matti Hamalainen <ccr@tnsp.org>
parents:
2207
diff
changeset
|
369 goto error; |
90ec1ec89c56
Revamp the palette handling in lib64gfx somewhat, add helper functions to
Matti Hamalainen <ccr@tnsp.org>
parents:
2207
diff
changeset
|
370 |
90ec1ec89c56
Revamp the palette handling in lib64gfx somewhat, add helper functions to
Matti Hamalainen <ccr@tnsp.org>
parents:
2207
diff
changeset
|
371 (*pdst)->ctransp = tmp2 < 256 ? tmp2 : -1; |
90ec1ec89c56
Revamp the palette handling in lib64gfx somewhat, add helper functions to
Matti Hamalainen <ccr@tnsp.org>
parents:
2207
diff
changeset
|
372 |
2207
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
373 return res; |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
374 |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
375 error: |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
376 dmPaletteFree(*pdst); |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
377 *pdst = NULL; |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
378 return res; |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
379 } |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
380 |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
381 |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
382 int dmWriteACTPalette(DMResource *fp, const DMPalette *ppal) |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
383 { |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
384 int res; |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
385 |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
386 if ((res = dmPaletteWriteData(fp, ppal, ppal->ncolors, 256)) != DMERR_OK) |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
387 return res; |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
388 |
2208
90ec1ec89c56
Revamp the palette handling in lib64gfx somewhat, add helper functions to
Matti Hamalainen <ccr@tnsp.org>
parents:
2207
diff
changeset
|
389 if (!dmf_write_be16(fp, ppal->ncolors) || |
90ec1ec89c56
Revamp the palette handling in lib64gfx somewhat, add helper functions to
Matti Hamalainen <ccr@tnsp.org>
parents:
2207
diff
changeset
|
390 !dmf_write_be16(fp, ppal->ctransp >= 0 ? ppal->ctransp : 0xffff)) |
2207
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
391 return DMERR_FWRITE; |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
392 |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
393 return DMERR_OK; |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
394 } |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
395 |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
396 |
2209
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
397 static int fmtProbeRAWPalette(const Uint8 *buf, const size_t len) |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
398 { |
2211
ef9b55c879d6
Silence a unused function argument warning.
Matti Hamalainen <ccr@tnsp.org>
parents:
2209
diff
changeset
|
399 (void) buf; |
ef9b55c879d6
Silence a unused function argument warning.
Matti Hamalainen <ccr@tnsp.org>
parents:
2209
diff
changeset
|
400 |
2209
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
401 if (len == 0x300) |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
402 return DM_PROBE_SCORE_MAX; |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
403 |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
404 return DM_PROBE_SCORE_FALSE; |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
405 } |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
406 |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
407 |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
408 int dmReadRAWPalette(DMResource *fp, DMPalette **pdst) |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
409 { |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
410 int res; |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
411 |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
412 if ((res = dmPaletteAlloc(pdst, 256, -1)) != DMERR_OK) |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
413 return res; |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
414 |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
415 if ((res = dmPaletteReadData(fp, *pdst, 256)) != DMERR_OK) |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
416 goto error; |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
417 |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
418 return res; |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
419 |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
420 error: |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
421 dmPaletteFree(*pdst); |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
422 *pdst = NULL; |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
423 return res; |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
424 } |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
425 |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
426 |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
427 int dmWriteRAWPalette(DMResource *fp, const DMPalette *ppal) |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
428 { |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
429 int res; |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
430 |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
431 if ((res = dmPaletteWriteData(fp, ppal, ppal->ncolors, 256)) != DMERR_OK) |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
432 return res; |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
433 |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
434 return DMERR_OK; |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
435 } |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
436 |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
437 |
2091 | 438 int dmWriteImageData(const DMImage *img, void *cbdata, |
439 int (*writeRowCB)(void *, const Uint8 *, const size_t), | |
2156
e6ec7fad9ce2
Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose.
Matti Hamalainen <ccr@tnsp.org>
parents:
2154
diff
changeset
|
440 const DMImageWriteSpec *spec) |
435 | 441 { |
442 int x, y, yscale, xscale, res = 0, rowSize, rowWidth; | |
443 Uint8 *row = NULL; | |
444 | |
445 // Allocate memory for row buffer | |
902
c6c480e8e1c8
Add separate X and Y scaling to gfxconv and libgfx outputters.
Matti Hamalainen <ccr@tnsp.org>
parents:
858
diff
changeset
|
446 rowWidth = img->width * spec->scaleX; |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
447 rowSize = rowWidth * dmImageGetBytesPerPixel(spec->pixfmt); |
435 | 448 |
449 if ((row = dmMalloc(rowSize + 16)) == NULL) | |
450 { | |
451 res = DMERR_MALLOC; | |
452 goto done; | |
453 } | |
454 | |
455 // Generate the image | |
456 for (y = 0; y < img->height; y++) | |
457 { | |
436
86f956e4580f
Cosmetics, rename a variable.
Matti Hamalainen <ccr@tnsp.org>
parents:
435
diff
changeset
|
458 Uint8 *ptr1 = row, |
435 | 459 *ptr2 = ptr1 + rowWidth, |
1291 | 460 *ptr3 = ptr2 + rowWidth, |
461 *ptr4 = ptr3 + rowWidth; | |
435 | 462 |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
463 if (img->pixfmt == DM_PIXFMT_GRAYSCALE) |
2098 | 464 { |
465 for (x = 0; x < img->width; x++) | |
466 { | |
467 Uint8 c = img->data[(y * img->pitch) + (x * img->bpp) / 8]; | |
468 | |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
469 switch (spec->pixfmt) |
2098 | 470 { |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
471 case DM_PIXFMT_PALETTE: |
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
472 case DM_PIXFMT_GRAYSCALE: |
2098 | 473 for (xscale = 0; xscale < spec->scaleX; xscale++) |
474 *ptr1++ = c; | |
475 break; | |
476 | |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
477 case DM_PIXFMT_RGBA: |
2098 | 478 if (spec->planar) |
479 { | |
480 for (xscale = 0; xscale < spec->scaleX; xscale++) | |
481 { | |
482 *ptr1++ = c; | |
483 *ptr2++ = c; | |
484 *ptr3++ = c; | |
485 *ptr4++ = 0xff; | |
486 } | |
487 } | |
488 else | |
489 { | |
490 for (xscale = 0; xscale < spec->scaleX; xscale++) | |
491 { | |
492 *ptr1++ = c; | |
493 *ptr1++ = c; | |
494 *ptr1++ = c; | |
495 *ptr1++ = 0xff; | |
496 } | |
497 } | |
498 break; | |
499 | |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
500 case DM_PIXFMT_RGB: |
2098 | 501 if (spec->planar) |
502 { | |
503 for (xscale = 0; xscale < spec->scaleX; xscale++) | |
504 { | |
505 *ptr1++ = c; | |
506 *ptr2++ = c; | |
507 *ptr3++ = c; | |
508 } | |
509 } | |
510 else | |
511 { | |
512 for (xscale = 0; xscale < spec->scaleX; xscale++) | |
513 { | |
514 *ptr1++ = c; | |
515 *ptr1++ = c; | |
516 *ptr1++ = c; | |
517 } | |
518 } | |
519 break; | |
520 | |
521 default: | |
522 res = DMERR_NOT_SUPPORTED; | |
523 goto done; | |
524 } | |
525 } | |
526 } | |
527 else | |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
528 if (img->pixfmt == DM_PIXFMT_PALETTE) |
435 | 529 { |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
530 for (x = 0; x < img->width; x++) |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
531 { |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
532 Uint8 c = img->data[(y * img->pitch) + (x * img->bpp) / 8], |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
533 qr, qg, qb, qa; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
534 |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
535 if (c >= img->pal->ncolors) |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
536 { |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
537 res = DMERR_INVALID_DATA; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
538 goto done; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
539 } |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
540 |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
541 switch (spec->pixfmt) |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
542 { |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
543 case DM_PIXFMT_PALETTE: |
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
544 case DM_PIXFMT_GRAYSCALE: |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
545 for (xscale = 0; xscale < spec->scaleX; xscale++) |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
546 *ptr1++ = c; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
547 break; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
548 |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
549 case DM_PIXFMT_RGBA: |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
550 qr = img->pal->colors[c].r; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
551 qg = img->pal->colors[c].g; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
552 qb = img->pal->colors[c].b; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
553 qa = img->pal->colors[c].a; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
554 |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
555 if (spec->planar) |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
556 { |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
557 for (xscale = 0; xscale < spec->scaleX; xscale++) |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
558 { |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
559 *ptr1++ = qr; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
560 *ptr2++ = qg; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
561 *ptr3++ = qb; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
562 *ptr4++ = qa; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
563 } |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
564 } |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
565 else |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
566 { |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
567 for (xscale = 0; xscale < spec->scaleX; xscale++) |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
568 { |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
569 *ptr1++ = qr; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
570 *ptr1++ = qg; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
571 *ptr1++ = qb; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
572 *ptr1++ = qa; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
573 } |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
574 } |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
575 break; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
576 |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
577 case DM_PIXFMT_RGB: |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
578 qr = img->pal->colors[c].r; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
579 qg = img->pal->colors[c].g; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
580 qb = img->pal->colors[c].b; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
581 |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
582 if (spec->planar) |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
583 { |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
584 for (xscale = 0; xscale < spec->scaleX; xscale++) |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
585 { |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
586 *ptr1++ = qr; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
587 *ptr2++ = qg; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
588 *ptr3++ = qb; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
589 } |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
590 } |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
591 else |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
592 { |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
593 for (xscale = 0; xscale < spec->scaleX; xscale++) |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
594 { |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
595 *ptr1++ = qr; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
596 *ptr1++ = qg; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
597 *ptr1++ = qb; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
598 } |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
599 } |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
600 break; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
601 |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
602 default: |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
603 res = DMERR_NOT_SUPPORTED; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
604 goto done; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
605 } |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
606 } |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
607 } |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
608 else |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
609 if (img->pixfmt == DM_PIXFMT_RGB || |
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
610 img->pixfmt == DM_PIXFMT_RGBA) |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
611 { |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
612 Uint8 *sp = img->data + (y * img->pitch); |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
613 |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
614 for (x = 0; x < img->width; x++, sp += img->bpp / 8) |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
615 switch (spec->pixfmt) |
435 | 616 { |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
617 case DM_PIXFMT_RGBA: |
1291 | 618 if (spec->planar) |
435 | 619 { |
1291 | 620 for (xscale = 0; xscale < spec->scaleX; xscale++) |
621 { | |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
622 *ptr1++ = sp[0]; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
623 *ptr2++ = sp[1]; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
624 *ptr3++ = sp[2]; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
625 *ptr4++ = sp[3]; |
1291 | 626 } |
627 } | |
628 else | |
629 { | |
630 for (xscale = 0; xscale < spec->scaleX; xscale++) | |
631 { | |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
632 *ptr1++ = sp[0]; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
633 *ptr1++ = sp[1]; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
634 *ptr1++ = sp[2]; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
635 *ptr1++ = sp[3]; |
1291 | 636 } |
435 | 637 } |
638 break; | |
639 | |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
640 case DM_PIXFMT_RGB: |
1291 | 641 if (spec->planar) |
435 | 642 { |
1291 | 643 for (xscale = 0; xscale < spec->scaleX; xscale++) |
644 { | |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
645 *ptr1++ = sp[0]; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
646 *ptr2++ = sp[1]; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
647 *ptr3++ = sp[2]; |
1291 | 648 } |
435 | 649 } |
1291 | 650 else |
435 | 651 { |
1291 | 652 for (xscale = 0; xscale < spec->scaleX; xscale++) |
653 { | |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
654 *ptr1++ = sp[0]; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
655 *ptr1++ = sp[1]; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
656 *ptr1++ = sp[2]; |
1291 | 657 } |
435 | 658 } |
659 break; | |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
660 |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
661 default: |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
662 res = DMERR_NOT_SUPPORTED; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
663 goto done; |
435 | 664 } |
665 } | |
666 | |
902
c6c480e8e1c8
Add separate X and Y scaling to gfxconv and libgfx outputters.
Matti Hamalainen <ccr@tnsp.org>
parents:
858
diff
changeset
|
667 for (yscale = 0; yscale < spec->scaleY; yscale++) |
435 | 668 { |
808
f8126fa1df9b
Use dmlib error code return value in cases where a plain boolean was used
Matti Hamalainen <ccr@tnsp.org>
parents:
800
diff
changeset
|
669 if ((res = writeRowCB(cbdata, row, rowSize)) != DMERR_OK) |
435 | 670 goto done; |
671 } | |
672 } | |
673 | |
674 done: | |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
675 dmFree(row); |
435 | 676 return res; |
677 } | |
678 | |
679 | |
1886
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
680 #define DMCOL(x) (((x) >> 4) & 0xf) |
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
681 |
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
682 int dmWriteIFFMasterRAWHeader( |
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
683 DMResource *fp, const char *filename, const char *prefix, |
2156
e6ec7fad9ce2
Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose.
Matti Hamalainen <ccr@tnsp.org>
parents:
2154
diff
changeset
|
684 const DMImage *img, const DMImageWriteSpec *spec) |
1886
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
685 { |
2049
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
686 if (dmfprintf(fp, |
1886
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
687 "%s_width: dw.w %d\n" |
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
688 "%s_height: dw.w %d\n" |
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
689 "%s_nplanes: dw.w %d\n", |
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
690 prefix, img->width * spec->scaleX, |
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
691 prefix, img->height * spec->scaleY, |
2049
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
692 prefix, spec->nplanes) < 0) |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
693 return dmferror(fp); |
1886
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
694 |
2145
0905b2a87cbd
Write ARAW palette only if it exists.
Matti Hamalainen <ccr@tnsp.org>
parents:
2101
diff
changeset
|
695 if (spec->fmtid == DM_IMGFMT_ARAW && |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
696 img->pixfmt == DM_PIXFMT_PALETTE && |
2145
0905b2a87cbd
Write ARAW palette only if it exists.
Matti Hamalainen <ccr@tnsp.org>
parents:
2101
diff
changeset
|
697 img->pal != NULL) |
1886
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
698 { |
2049
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
699 if (dmfprintf(fp, |
1886
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
700 "%s_ncolors: dw.w %d\n" |
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
701 "%s_palette:\n", |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
702 prefix, img->pal->ncolors, |
2049
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
703 prefix) < 0) |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
704 return dmferror(fp); |
1886
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
705 |
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
706 for (int i = 0; i < (1 << spec->nplanes); i++) |
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
707 { |
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
708 Uint32 color; |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
709 if (i < img->pal->ncolors) |
1886
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
710 { |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
711 color = (DMCOL(img->pal->colors[i].r) << 8) | |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
712 (DMCOL(img->pal->colors[i].g) << 4) | |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
713 (DMCOL(img->pal->colors[i].b)); |
1886
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
714 } |
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
715 else |
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
716 color = 0; |
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
717 |
2049
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
718 if (dmfprintf(fp, |
1886
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
719 "\tdc.w $%04X\n", |
2049
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
720 color) < 0) |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
721 return dmferror(fp); |
1886
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
722 } |
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
723 |
2049
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
724 if (dmfprintf(fp, |
1886
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
725 "%s: incbin \"%s\"\n", |
2049
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
726 prefix, filename) < 0) |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
727 return dmferror(fp); |
1886
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
728 } |
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
729 |
1887
297aa8f0ca7f
Return DMERR_OK instead of dmferror(fp) dmWriteIFFMasterRAWHeader().
Matti Hamalainen <ccr@tnsp.org>
parents:
1886
diff
changeset
|
730 return DMERR_OK; |
1886
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
731 } |
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
732 |
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
733 |
2086
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
734 static int dmWriteRAWRow(DMBitStreamContext *bs, const DMImage *img, |
2156
e6ec7fad9ce2
Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose.
Matti Hamalainen <ccr@tnsp.org>
parents:
2154
diff
changeset
|
735 const DMImageWriteSpec *spec, const int yc, const int plane) |
1872
fe15412eec10
Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1814
diff
changeset
|
736 { |
fe15412eec10
Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1814
diff
changeset
|
737 const Uint8 *sp = img->data + (yc * img->pitch); |
fe15412eec10
Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1814
diff
changeset
|
738 for (int xc = 0; xc < img->width; xc++) |
fe15412eec10
Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1814
diff
changeset
|
739 { |
2086
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
740 int res; |
1872
fe15412eec10
Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1814
diff
changeset
|
741 for (int xscale = 0; xscale < spec->scaleX; xscale++) |
2086
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
742 if ((res = dmPutBits(bs, (sp[xc] >> plane) & 1, 1)) != DMERR_OK) |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
743 return res; |
1872
fe15412eec10
Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1814
diff
changeset
|
744 } |
2086
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
745 return DMERR_OK; |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
746 } |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
747 |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
748 |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
749 static int dmPutByteRes(DMBitStreamContext *ctx) |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
750 { |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
751 DMResource *fp = (DMResource *) ctx->handle; |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
752 |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
753 if (!dmf_write_byte(fp, ctx->outBuf & 0xff)) |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
754 return dmferror(fp); |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
755 else |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
756 return DMERR_OK; |
1872
fe15412eec10
Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1814
diff
changeset
|
757 } |
fe15412eec10
Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1814
diff
changeset
|
758 |
fe15412eec10
Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1814
diff
changeset
|
759 |
2156
e6ec7fad9ce2
Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose.
Matti Hamalainen <ccr@tnsp.org>
parents:
2154
diff
changeset
|
760 int dmWriteRAWImage(DMResource *fp, const DMImage *img, const DMImageWriteSpec *spec) |
435 | 761 { |
1622 | 762 int res; |
2086
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
763 DMBitStreamContext ctx; |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
764 |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
765 dmInitBitStreamContext(&ctx); |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
766 ctx.putByte = dmPutByteRes; |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
767 ctx.handle = (void *) fp; |
435 | 768 |
1291 | 769 if (spec->planar) |
435 | 770 { |
1339 | 771 // Output bitplanes in planar format |
772 // (each plane of line sequentially) | |
1622 | 773 for (int yc = 0; yc < img->height; yc++) |
1872
fe15412eec10
Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1814
diff
changeset
|
774 for (int yscale = 0; yscale < spec->scaleY; yscale++) |
1622 | 775 for (int plane = 0; plane < spec->nplanes; plane++) |
435 | 776 { |
2086
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
777 if ((res = dmWriteRAWRow(&ctx, img, spec, yc, plane)) != DMERR_OK) |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
778 return res; |
435 | 779 } |
780 } | |
781 else | |
782 { | |
783 // Output each bitplane in sequence | |
1622 | 784 for (int plane = 0; plane < spec->nplanes; plane++) |
785 for (int yc = 0; yc < img->height; yc++) | |
1872
fe15412eec10
Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1814
diff
changeset
|
786 for (int yscale = 0; yscale < spec->scaleY; yscale++) |
435 | 787 { |
2086
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
788 if ((res = dmWriteRAWRow(&ctx, img, spec, yc, plane)) != DMERR_OK) |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
789 return res; |
435 | 790 } |
791 } | |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
792 |
2086
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
793 return dmFlushBitStream(&ctx); |
435 | 794 } |
795 | |
566
d400e32b62d9
Add a slightly different raw output format.
Matti Hamalainen <ccr@tnsp.org>
parents:
487
diff
changeset
|
796 |
2086
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
797 static int dmPutByteCDump(DMBitStreamContext *ctx) |
2047
3829c292df02
Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents:
2026
diff
changeset
|
798 { |
2086
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
799 DMResource *fp = (DMResource *) ctx->handle; |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
800 |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
801 if (dmfprintf(fp, "0x%02x, ", ctx->outBuf & 0xff) < 2) |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
802 return dmferror(fp); |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
803 else |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
804 return DMERR_OK; |
2047
3829c292df02
Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents:
2026
diff
changeset
|
805 } |
3829c292df02
Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents:
2026
diff
changeset
|
806 |
3829c292df02
Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents:
2026
diff
changeset
|
807 |
2156
e6ec7fad9ce2
Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose.
Matti Hamalainen <ccr@tnsp.org>
parents:
2154
diff
changeset
|
808 int dmWriteCDumpImage(DMResource *fp, const DMImage *img, const DMImageWriteSpec *spec) |
2047
3829c292df02
Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents:
2026
diff
changeset
|
809 { |
3829c292df02
Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents:
2026
diff
changeset
|
810 int res; |
2086
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
811 DMBitStreamContext ctx; |
2049
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
812 |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
813 if (dmfprintf(fp, |
2047
3829c292df02
Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents:
2026
diff
changeset
|
814 "#define SET_WIDTH %d\n" |
3829c292df02
Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents:
2026
diff
changeset
|
815 "#define SET_HEIGHT %d\n" |
3829c292df02
Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents:
2026
diff
changeset
|
816 "\n" |
3829c292df02
Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents:
2026
diff
changeset
|
817 "Uint8 img_data[] = {\n", |
3829c292df02
Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents:
2026
diff
changeset
|
818 img->width * spec->scaleX, |
2049
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
819 img->height * spec->scaleY) < 0) |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
820 return dmferror(fp); |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
821 |
2086
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
822 dmInitBitStreamContext(&ctx); |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
823 ctx.putByte = dmPutByteCDump; |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
824 ctx.handle = (void *) fp; |
2049
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
825 |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
826 if (spec->planar) |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
827 { |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
828 // Output bitplanes in planar format |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
829 // (each plane of line sequentially) |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
830 for (int yc = 0; yc < img->height; yc++) |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
831 for (int yscale = 0; yscale < spec->scaleY; yscale++) |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
832 for (int plane = 0; plane < spec->nplanes; plane++) |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
833 { |
2086
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
834 if ((res = dmWriteRAWRow(&ctx, img, spec, yc, plane)) != DMERR_OK) |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
835 return res; |
2049
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
836 |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
837 if (dmfprintf(fp, "\n") < 0) |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
838 return dmferror(fp); |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
839 } |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
840 } |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
841 else |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
842 { |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
843 // Output each bitplane in sequence |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
844 for (int plane = 0; plane < spec->nplanes; plane++) |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
845 for (int yc = 0; yc < img->height; yc++) |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
846 for (int yscale = 0; yscale < spec->scaleY; yscale++) |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
847 { |
2086
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
848 if ((res = dmWriteRAWRow(&ctx, img, spec, yc, plane)) != DMERR_OK) |
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
849 return res; |
2049
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
850 |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
851 if (dmfprintf(fp, "\n") < 0) |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
852 return dmferror(fp); |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
853 } |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
854 } |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
855 |
2086
aedadff9e116
Implement dmGetBits() to the DMBitStreamContext API. Also improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2085
diff
changeset
|
856 res = dmFlushBitStream(&ctx); |
2049
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
857 |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
858 if (res == DMERR_OK && |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
859 dmfprintf(fp, "};\n") < 0) |
a945a5f2fd70
Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
2047
diff
changeset
|
860 res = dmferror(fp); |
2047
3829c292df02
Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents:
2026
diff
changeset
|
861 |
3829c292df02
Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents:
2026
diff
changeset
|
862 return res; |
3829c292df02
Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents:
2026
diff
changeset
|
863 } |
3829c292df02
Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents:
2026
diff
changeset
|
864 |
3829c292df02
Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents:
2026
diff
changeset
|
865 |
1301 | 866 static int dmWritePPMRow(void *cbdata, const Uint8 *row, const size_t len) |
435 | 867 { |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
868 if (dmf_write_str((DMResource *) cbdata, row, len)) |
808
f8126fa1df9b
Use dmlib error code return value in cases where a plain boolean was used
Matti Hamalainen <ccr@tnsp.org>
parents:
800
diff
changeset
|
869 return DMERR_OK; |
f8126fa1df9b
Use dmlib error code return value in cases where a plain boolean was used
Matti Hamalainen <ccr@tnsp.org>
parents:
800
diff
changeset
|
870 else |
f8126fa1df9b
Use dmlib error code return value in cases where a plain boolean was used
Matti Hamalainen <ccr@tnsp.org>
parents:
800
diff
changeset
|
871 return DMERR_FWRITE; |
435 | 872 } |
873 | |
874 | |
2156
e6ec7fad9ce2
Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose.
Matti Hamalainen <ccr@tnsp.org>
parents:
2154
diff
changeset
|
875 int dmWritePPMImage(DMResource *fp, const DMImage *img, const DMImageWriteSpec *spec) |
435 | 876 { |
2156
e6ec7fad9ce2
Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose.
Matti Hamalainen <ccr@tnsp.org>
parents:
2154
diff
changeset
|
877 DMImageWriteSpec tmpSpec; |
2092
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
878 char *tmpFmt; |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
879 |
2154
1c111bfc17d4
Add check to PNG and PPM output as well.
Matti Hamalainen <ccr@tnsp.org>
parents:
2153
diff
changeset
|
880 // Check if we can do this |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
881 if ((spec->pixfmt == DM_PIXFMT_PALETTE || spec->pixfmt == DM_PIXFMT_GRAYSCALE) && |
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
882 img->pixfmt != spec->pixfmt) |
2154
1c111bfc17d4
Add check to PNG and PPM output as well.
Matti Hamalainen <ccr@tnsp.org>
parents:
2153
diff
changeset
|
883 { |
1c111bfc17d4
Add check to PNG and PPM output as well.
Matti Hamalainen <ccr@tnsp.org>
parents:
2153
diff
changeset
|
884 return dmError(DMERR_NOT_SUPPORTED, |
1c111bfc17d4
Add check to PNG and PPM output as well.
Matti Hamalainen <ccr@tnsp.org>
parents:
2153
diff
changeset
|
885 "Conversion of non-indexed image to indexed not supported yet.\n"); |
1c111bfc17d4
Add check to PNG and PPM output as well.
Matti Hamalainen <ccr@tnsp.org>
parents:
2153
diff
changeset
|
886 } |
1c111bfc17d4
Add check to PNG and PPM output as well.
Matti Hamalainen <ccr@tnsp.org>
parents:
2153
diff
changeset
|
887 |
2212
2edd3f2ddee2
Force non-planar for PPM output.
Matti Hamalainen <ccr@tnsp.org>
parents:
2211
diff
changeset
|
888 // Force non-planar etc |
2156
e6ec7fad9ce2
Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose.
Matti Hamalainen <ccr@tnsp.org>
parents:
2154
diff
changeset
|
889 memcpy(&tmpSpec, spec, sizeof(DMImageWriteSpec)); |
2212
2edd3f2ddee2
Force non-planar for PPM output.
Matti Hamalainen <ccr@tnsp.org>
parents:
2211
diff
changeset
|
890 tmpSpec.planar = FALSE; |
2edd3f2ddee2
Force non-planar for PPM output.
Matti Hamalainen <ccr@tnsp.org>
parents:
2211
diff
changeset
|
891 |
2edd3f2ddee2
Force non-planar for PPM output.
Matti Hamalainen <ccr@tnsp.org>
parents:
2211
diff
changeset
|
892 switch (tmpSpec.pixfmt) |
2092
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
893 { |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
894 case DM_PIXFMT_RGB: |
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
895 case DM_PIXFMT_RGBA: |
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
896 case DM_PIXFMT_PALETTE: |
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
897 tmpSpec.pixfmt = DM_PIXFMT_RGB; |
2092
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
898 tmpFmt = "6"; |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
899 break; |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
900 |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
901 case DM_PIXFMT_GRAYSCALE: |
2092
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
902 tmpFmt = "5"; |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
903 break; |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
904 |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
905 default: |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
906 return dmError(DMERR_NOT_SUPPORTED, |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
907 "PPM: Not a supported color format for PPM/PGM format image.\n"); |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
908 } |
1288 | 909 |
435 | 910 // Write PPM header |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
911 char *tmp = dm_strdup_printf( |
2092
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
912 "P%s\n%d %d\n255\n", |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
913 tmpFmt, |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
914 img->width * tmpSpec.scaleX, |
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
915 img->height * tmpSpec.scaleY); |
435 | 916 |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
917 if (tmp == NULL) |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
918 return DMERR_MALLOC; |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
919 |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
920 dmfputs(tmp, fp); |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
921 dmFree(tmp); |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
922 |
435 | 923 // Write image data |
1288 | 924 return dmWriteImageData(img, (void *) fp, dmWritePPMRow, &tmpSpec); |
435 | 925 } |
926 | |
927 | |
2101
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
928 // Read a PPM/PGM/PNM header line, skipping comments |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
929 static BOOL dmReadPPMHeader(DMResource *fp, char *buf, const size_t bufLen) |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
930 { |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
931 BOOL end = FALSE, comment = FALSE; |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
932 size_t offs = 0; |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
933 |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
934 do |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
935 { |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
936 int ch = dmfgetc(fp); |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
937 if (ch == EOF) |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
938 return FALSE; |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
939 else |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
940 if (ch == '#') |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
941 comment = TRUE; |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
942 else |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
943 if (ch == '\n') |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
944 { |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
945 if (!comment) |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
946 end = TRUE; |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
947 else |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
948 comment = FALSE; |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
949 } |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
950 else |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
951 if (!comment) |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
952 { |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
953 if (offs < bufLen - 1) |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
954 buf[offs++] = ch; |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
955 } |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
956 } while (!end); |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
957 |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
958 buf[offs] = 0; |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
959 return TRUE; |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
960 } |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
961 |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
962 |
2092
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
963 int dmReadPPMImage(DMResource *fp, DMImage **pimg) |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
964 { |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
965 DMImage *img = NULL; |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
966 unsigned int width, height; |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
967 int itype, res = DMERR_OK; |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
968 char hdr1[8], hdr2[32], hdr3[16]; |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
969 |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
970 // Read PPM header |
2101
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
971 if (!dmReadPPMHeader(fp, hdr1, sizeof(hdr1)) || |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
972 !dmReadPPMHeader(fp, hdr2, sizeof(hdr2)) || |
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
973 !dmReadPPMHeader(fp, hdr3, sizeof(hdr3))) |
2092
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
974 { |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
975 res = dmError(DMERR_FREAD, |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
976 "PPM: Could not read image header data.\n"); |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
977 goto error; |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
978 } |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
979 |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
980 if (hdr1[0] != 'P' || !isdigit(hdr1[1]) || |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
981 !isdigit(hdr2[0]) || !isdigit(hdr3[0])) |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
982 { |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
983 res = dmError(DMERR_NOT_SUPPORTED, |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
984 "PPM: Not a supported PPM/PGM format image.\n"); |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
985 goto error; |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
986 } |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
987 |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
988 switch (hdr1[1]) |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
989 { |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
990 case '6': itype = DM_PIXFMT_RGB; break; |
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
991 case '5': itype = DM_PIXFMT_GRAYSCALE; break; |
2092
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
992 default: |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
993 res = dmError(DMERR_NOT_SUPPORTED, |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
994 "PPM: Unsupported PPM/PNM/PGM subtype.\n"); |
2092
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
995 goto error; |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
996 } |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
997 |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
998 if (sscanf(hdr2, "%u %u", &width, &height) != 2) |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
999 { |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1000 res = dmError(DMERR_INVALID_DATA, |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1001 "PPM: Invalid PPM/PGM image dimensions.\n"); |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1002 goto error; |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1003 } |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1004 |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1005 dmMsg(2, "PPM: %d x %d, type=%d\n", |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1006 width, height, itype); |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1007 |
2257
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
1008 // Check image dimensions |
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
1009 if (width == 0 || height == 0) |
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
1010 { |
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
1011 return dmError(DMERR_INVALID_DATA, |
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
1012 "PPM: Invalid image dimensions.\n"); |
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
1013 } |
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
1014 |
2092
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1015 if ((*pimg = img = dmImageAlloc(width, height, itype, -1)) == NULL) |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1016 { |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1017 res = dmError(DMERR_MALLOC, |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1018 "PPM: Could not allocate image data.\n"); |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1019 goto error; |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1020 } |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1021 |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1022 if (!dmf_read_str(fp, img->data, img->size)) |
2092
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1023 { |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1024 res = dmError(DMERR_FREAD, |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1025 "PPM: Could not read image data.\n"); |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1026 goto error; |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1027 } |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1028 |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1029 error: |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1030 |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1031 return res; |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1032 } |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1033 |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1034 |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1035 static int fmtProbePPM(const Uint8 *buf, const size_t len) |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1036 { |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1037 if (len > 32 && |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1038 buf[0] == 'P' && |
2101
da886b8cbb09
Improve PPM/PGM/PNM probing and header parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
2100
diff
changeset
|
1039 (buf[1] == '5' || buf[1] == '6')) |
2092
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1040 return DM_PROBE_SCORE_MAX; |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1041 |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1042 return DM_PROBE_SCORE_FALSE; |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1043 } |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1044 |
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
1045 |
435 | 1046 #ifdef DM_USE_LIBPNG |
1613
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1047 static int fmtProbePNG(const Uint8 *buf, const size_t len) |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1048 { |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1049 if (len > 64 && buf[0] == 0x89 && |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1050 buf[1] == 'P' && buf[2] == 'N' && buf[3] == 'G' && |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1051 buf[4] == 0x0d && buf[5] == 0x0a) |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1052 { |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1053 if (buf[12] == 'I' && buf[13] == 'H' && |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1054 buf[14] == 'D' && buf[15] == 'R') |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1055 return DM_PROBE_SCORE_MAX; |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1056 else |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1057 return DM_PROBE_SCORE_GOOD; |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1058 } |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1059 |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1060 return DM_PROBE_SCORE_FALSE; |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1061 } |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1062 |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1063 |
1301 | 1064 static int dmWritePNGRow(void *cbdata, const Uint8 *row, const size_t len) |
435 | 1065 { |
1066 png_structp png_ptr = cbdata; | |
1067 (void) len; | |
1068 | |
1069 if (setjmp(png_jmpbuf(png_ptr))) | |
808
f8126fa1df9b
Use dmlib error code return value in cases where a plain boolean was used
Matti Hamalainen <ccr@tnsp.org>
parents:
800
diff
changeset
|
1070 return DMERR_INTERNAL; |
435 | 1071 |
1072 png_write_row(png_ptr, row); | |
1073 | |
808
f8126fa1df9b
Use dmlib error code return value in cases where a plain boolean was used
Matti Hamalainen <ccr@tnsp.org>
parents:
800
diff
changeset
|
1074 return DMERR_OK; |
435 | 1075 } |
1076 | |
1077 | |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1078 static void dmPNGWriteData(png_structp png_ptr, png_bytep data, png_size_t length) |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1079 { |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1080 DMResource *res = (DMResource *) png_get_io_ptr(png_ptr); |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1081 |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1082 // XXX TODO: How the fuck does one do error handling here? |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1083 dmf_write_str(res, data, length); |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1084 } |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1085 |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1086 |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1087 static void dmPNGWriteFlush(png_structp png_ptr) |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1088 { |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1089 (void) png_ptr; |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1090 } |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1091 |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1092 |
2156
e6ec7fad9ce2
Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose.
Matti Hamalainen <ccr@tnsp.org>
parents:
2154
diff
changeset
|
1093 int dmWritePNGImage(DMResource *fp, const DMImage *img, const DMImageWriteSpec *spec) |
435 | 1094 { |
1095 png_structp png_ptr = NULL; | |
1096 png_infop info_ptr = NULL; | |
1304
e968b259605b
Fix a warning about potentially clobbered variable due to setjmp() use.
Matti Hamalainen <ccr@tnsp.org>
parents:
1303
diff
changeset
|
1097 int fmt, res; |
435 | 1098 |
2154
1c111bfc17d4
Add check to PNG and PPM output as well.
Matti Hamalainen <ccr@tnsp.org>
parents:
2153
diff
changeset
|
1099 // Check if we can do this |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
1100 if ((spec->pixfmt == DM_PIXFMT_PALETTE || spec->pixfmt == DM_PIXFMT_GRAYSCALE) && |
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
1101 img->pixfmt != spec->pixfmt) |
2154
1c111bfc17d4
Add check to PNG and PPM output as well.
Matti Hamalainen <ccr@tnsp.org>
parents:
2153
diff
changeset
|
1102 { |
1c111bfc17d4
Add check to PNG and PPM output as well.
Matti Hamalainen <ccr@tnsp.org>
parents:
2153
diff
changeset
|
1103 return dmError(DMERR_NOT_SUPPORTED, |
1c111bfc17d4
Add check to PNG and PPM output as well.
Matti Hamalainen <ccr@tnsp.org>
parents:
2153
diff
changeset
|
1104 "Conversion of non-indexed image to indexed not supported yet.\n"); |
1c111bfc17d4
Add check to PNG and PPM output as well.
Matti Hamalainen <ccr@tnsp.org>
parents:
2153
diff
changeset
|
1105 } |
1c111bfc17d4
Add check to PNG and PPM output as well.
Matti Hamalainen <ccr@tnsp.org>
parents:
2153
diff
changeset
|
1106 |
435 | 1107 // Create PNG structures |
1108 png_ptr = png_create_write_struct( | |
1109 PNG_LIBPNG_VER_STRING, | |
1110 NULL, NULL, NULL); | |
1111 | |
1112 if (png_ptr == NULL) | |
1113 { | |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1114 res = dmError(DMERR_MALLOC, |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1115 "PNG: png_create_write_struct() failed.\n"); |
435 | 1116 goto error; |
1117 } | |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
1118 |
435 | 1119 info_ptr = png_create_info_struct(png_ptr); |
1120 if (info_ptr == NULL) | |
1121 { | |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1122 res = dmError(DMERR_INIT_FAIL, |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1123 "PNG: png_create_info_struct(%p) failed.\n", |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1124 png_ptr); |
435 | 1125 goto error; |
1126 } | |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
1127 |
435 | 1128 if (setjmp(png_jmpbuf(png_ptr))) |
1129 { | |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1130 res = dmError(DMERR_INIT_FAIL, |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1131 "PNG: Error during image writing..\n"); |
435 | 1132 goto error; |
1133 } | |
1134 | |
1304
e968b259605b
Fix a warning about potentially clobbered variable due to setjmp() use.
Matti Hamalainen <ccr@tnsp.org>
parents:
1303
diff
changeset
|
1135 res = DMERR_OK; |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1136 png_set_write_fn(png_ptr, fp, dmPNGWriteData, dmPNGWriteFlush); |
435 | 1137 |
1138 // Write PNG header info | |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
1139 switch (spec->pixfmt) |
435 | 1140 { |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
1141 case DM_PIXFMT_PALETTE : fmt = PNG_COLOR_TYPE_PALETTE; break; |
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
1142 case DM_PIXFMT_GRAYSCALE : fmt = PNG_COLOR_TYPE_GRAY; break; |
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
1143 case DM_PIXFMT_RGB : fmt = PNG_COLOR_TYPE_RGB; break; |
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
1144 case DM_PIXFMT_RGBA : fmt = PNG_COLOR_TYPE_RGB_ALPHA; break; |
435 | 1145 default: |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1146 res = dmError(DMERR_NOT_SUPPORTED, |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1147 "PNG: Unsupported image format %d.\n", |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
1148 spec->pixfmt); |
435 | 1149 goto error; |
1150 } | |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
1151 |
2022
eb6dafdd36dc
Add option -C for controlling output file compression (PNG and IFF for now) in gfxconv.
Matti Hamalainen <ccr@tnsp.org>
parents:
2020
diff
changeset
|
1152 png_set_compression_level(png_ptr, spec->compression); |
eb6dafdd36dc
Add option -C for controlling output file compression (PNG and IFF for now) in gfxconv.
Matti Hamalainen <ccr@tnsp.org>
parents:
2020
diff
changeset
|
1153 |
435 | 1154 png_set_IHDR(png_ptr, info_ptr, |
902
c6c480e8e1c8
Add separate X and Y scaling to gfxconv and libgfx outputters.
Matti Hamalainen <ccr@tnsp.org>
parents:
858
diff
changeset
|
1155 img->width * spec->scaleX, |
c6c480e8e1c8
Add separate X and Y scaling to gfxconv and libgfx outputters.
Matti Hamalainen <ccr@tnsp.org>
parents:
858
diff
changeset
|
1156 img->height * spec->scaleY, |
2091 | 1157 8, // bits per component: TODO: FIXME: calculate and use |
435 | 1158 fmt, |
1159 PNG_INTERLACE_NONE, | |
1160 PNG_COMPRESSION_TYPE_DEFAULT, | |
1161 PNG_FILTER_TYPE_DEFAULT); | |
1162 | |
1287
32051ad352c8
Adjust debug messages and debug message levels in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1286
diff
changeset
|
1163 dmMsg(2, "PNG: %d x %d, depth=%d, type=%d\n", |
902
c6c480e8e1c8
Add separate X and Y scaling to gfxconv and libgfx outputters.
Matti Hamalainen <ccr@tnsp.org>
parents:
858
diff
changeset
|
1164 img->width * spec->scaleX, |
c6c480e8e1c8
Add separate X and Y scaling to gfxconv and libgfx outputters.
Matti Hamalainen <ccr@tnsp.org>
parents:
858
diff
changeset
|
1165 img->height * spec->scaleY, |
460
0af039b6c0ae
Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
453
diff
changeset
|
1166 8, fmt); |
0af039b6c0ae
Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
453
diff
changeset
|
1167 |
435 | 1168 // Palette |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
1169 if (spec->pixfmt == DM_PIXFMT_PALETTE) |
435 | 1170 { |
858
e7019bd83cca
Fix potential longjmp clobbering of variable.
Matti Hamalainen <ccr@tnsp.org>
parents:
834
diff
changeset
|
1171 png_colorp palette = png_malloc(png_ptr, PNG_MAX_PALETTE_LENGTH * sizeof(png_color)); |
435 | 1172 |
1173 if (palette == NULL) | |
1174 { | |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1175 res = dmError(DMERR_MALLOC, |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1176 "PNG: Could not allocate palette structure."); |
435 | 1177 goto error; |
1178 } | |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
1179 |
1167 | 1180 dmMemset(palette, 0, PNG_MAX_PALETTE_LENGTH * sizeof(png_color)); |
435 | 1181 |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1182 for (int i = 0; i < img->pal->ncolors; i++) |
435 | 1183 { |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1184 palette[i].red = img->pal->colors[i].r; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1185 palette[i].green = img->pal->colors[i].g; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1186 palette[i].blue = img->pal->colors[i].b; |
435 | 1187 } |
1188 | |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1189 png_set_PLTE(png_ptr, info_ptr, palette, img->pal->ncolors); |
1938
a8e475eede4a
Fix two memory leaks in the PNG writer/reader of libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1921
diff
changeset
|
1190 png_free(png_ptr, palette); |
435 | 1191 } |
1192 | |
1193 // png_set_gAMA(png_ptr, info_ptr, 2.2); | |
1194 | |
1195 png_write_info(png_ptr, info_ptr); | |
1196 | |
1197 | |
1198 // Write compressed image data | |
1199 dmWriteImageData(img, (void *) png_ptr, dmWritePNGRow, spec); | |
1200 | |
1201 // Write footer | |
1202 png_write_end(png_ptr, NULL); | |
1203 | |
1204 error: | |
1205 if (png_ptr && info_ptr) | |
1206 png_destroy_write_struct(&png_ptr, &info_ptr); | |
1207 | |
1208 return res; | |
1209 } | |
1210 | |
1211 | |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1212 void dmPNGReadData(png_structp png_ptr, png_bytep data, png_size_t length) |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1213 { |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1214 DMResource *res = (DMResource *) png_get_io_ptr(png_ptr); |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1215 |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1216 // XXX TODO: How the fuck does one do error handling here? |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1217 dmf_read_str(res, data, length); |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1218 } |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1219 |
1886
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
1220 |
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
1221 int dmReadPNGImage(DMResource *fp, DMImage **pimg) |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1222 { |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1223 png_structp png_ptr = NULL; |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1224 png_infop info_ptr = NULL; |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1225 png_colorp palette = NULL; |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1226 png_bytep *row_pointers = NULL; |
460
0af039b6c0ae
Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
453
diff
changeset
|
1227 png_bytep trans = NULL; |
1940
c77019065b96
Initialize two variables to zero, as valgrind complains about them despite
Matti Hamalainen <ccr@tnsp.org>
parents:
1939
diff
changeset
|
1228 png_uint_32 width, height, res_x = 0, res_y = 0; |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1229 int res, itype, bit_depth, color_type, ncolors, ntrans, unit_type; |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1230 DMImage *img; |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1231 |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1232 // Create PNG structures |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1233 png_ptr = png_create_read_struct( |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1234 PNG_LIBPNG_VER_STRING, |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1235 NULL, NULL, NULL); |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1236 |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1237 if (png_ptr == NULL) |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1238 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1239 res = dmError(DMERR_MALLOC, |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1240 "PNG: png_create_write_struct() failed.\n"); |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1241 goto error; |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1242 } |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1243 |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1244 info_ptr = png_create_info_struct(png_ptr); |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1245 if (info_ptr == NULL) |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1246 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1247 res = dmError(DMERR_INIT_FAIL, |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1248 "PNG: png_create_info_struct(%p) failed.\n", |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1249 png_ptr); |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1250 goto error; |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1251 } |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
1252 |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1253 if (setjmp(png_jmpbuf(png_ptr))) |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1254 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1255 res = dmError(DMERR_INIT_FAIL, |
1291 | 1256 "PNG: Error during image reading.\n"); |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1257 goto error; |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1258 } |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1259 |
2330 | 1260 res = DMERR_OK; |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1261 png_set_read_fn(png_ptr, fp, dmPNGReadData); |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1262 |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1263 // Read image information |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1264 png_read_info(png_ptr, info_ptr); |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1265 |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1266 png_get_IHDR(png_ptr, info_ptr, &width, &height, |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1267 &bit_depth, &color_type, NULL, NULL, NULL); |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1268 |
2257
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
1269 dmMsg(2, "PNG: %d x %d, bit_depth=%d, color_type=%d\n", |
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
1270 width, height, bit_depth, color_type); |
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
1271 |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1272 if (width < 1 || height < 1) |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1273 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1274 res = dmError(DMERR_INVALID_DATA, |
2257
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
1275 "PNG: Invalid image dimensions.\n"); |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1276 goto error; |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1277 } |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1278 |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1279 switch (color_type) |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1280 { |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1281 case PNG_COLOR_TYPE_GRAY: |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1282 if (bit_depth > 8) |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1283 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1284 res = dmError(DMERR_NOT_SUPPORTED, |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1285 "PNG: Unsupported bit depth for grayscale image: %d\n", |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1286 bit_depth); |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1287 goto error; |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1288 } |
2093
d17512dbb4ef
Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2092
diff
changeset
|
1289 |
d17512dbb4ef
Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2092
diff
changeset
|
1290 if (bit_depth < 8) |
d17512dbb4ef
Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2092
diff
changeset
|
1291 png_set_expand_gray_1_2_4_to_8(png_ptr); |
d17512dbb4ef
Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2092
diff
changeset
|
1292 |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
1293 itype = DM_PIXFMT_GRAYSCALE; |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1294 break; |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
1295 |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1296 case PNG_COLOR_TYPE_PALETTE: |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1297 png_set_packing(png_ptr); |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
1298 itype = DM_PIXFMT_PALETTE; |
2093
d17512dbb4ef
Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2092
diff
changeset
|
1299 break; |
d17512dbb4ef
Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2092
diff
changeset
|
1300 |
d17512dbb4ef
Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2092
diff
changeset
|
1301 case PNG_COLOR_TYPE_RGB: |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
1302 itype = DM_PIXFMT_RGB; |
2093
d17512dbb4ef
Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2092
diff
changeset
|
1303 break; |
d17512dbb4ef
Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2092
diff
changeset
|
1304 |
d17512dbb4ef
Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2092
diff
changeset
|
1305 case PNG_COLOR_TYPE_RGBA: |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
1306 itype = DM_PIXFMT_RGBA; |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1307 break; |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1308 |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1309 default: |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1310 res = dmError(DMERR_NOT_SUPPORTED, |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1311 "PNG: RGB/RGBA images not supported for loading.\n"); |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1312 goto error; |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1313 } |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1314 |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1315 // Allocate image |
1287
32051ad352c8
Adjust debug messages and debug message levels in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1286
diff
changeset
|
1316 dmMsg(2, "PNG: %d x %d, depth=%d, type=%d\n", |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1317 width, height, bit_depth, color_type); |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1318 |
1300
fd442faa705f
"Fix" the PNG/ILBM decoding to not use actual bitdepths for indexed images, but force 8bits.
Matti Hamalainen <ccr@tnsp.org>
parents:
1299
diff
changeset
|
1319 if ((*pimg = img = dmImageAlloc(width, height, |
2093
d17512dbb4ef
Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2092
diff
changeset
|
1320 itype, |
1300
fd442faa705f
"Fix" the PNG/ILBM decoding to not use actual bitdepths for indexed images, but force 8bits.
Matti Hamalainen <ccr@tnsp.org>
parents:
1299
diff
changeset
|
1321 // XXX TODO? When/if we ever handle < 8bit indexed correctly, we can use the actual bpp |
fd442faa705f
"Fix" the PNG/ILBM decoding to not use actual bitdepths for indexed images, but force 8bits.
Matti Hamalainen <ccr@tnsp.org>
parents:
1299
diff
changeset
|
1322 -1 /* bit_depth */)) == NULL) |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1323 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1324 res = dmError(DMERR_MALLOC, |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1325 "PNG: Could not allocate image data.\n"); |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1326 goto error; |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1327 } |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1328 |
1628
a549d33d543a
Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents:
1627
diff
changeset
|
1329 // Set image aspect ratio |
a549d33d543a
Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents:
1627
diff
changeset
|
1330 png_get_pHYs(png_ptr, info_ptr, &res_x, &res_y, &unit_type); |
a549d33d543a
Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents:
1627
diff
changeset
|
1331 |
a549d33d543a
Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents:
1627
diff
changeset
|
1332 if (res_x > 0 && res_y > 0 && |
a549d33d543a
Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents:
1627
diff
changeset
|
1333 res_y / res_x != (unsigned) (img->height / img->width)) |
a549d33d543a
Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents:
1627
diff
changeset
|
1334 img->aspect = (float) res_y / (float) res_x; |
a549d33d543a
Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents:
1627
diff
changeset
|
1335 |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1336 // ... |
1938
a8e475eede4a
Fix two memory leaks in the PNG writer/reader of libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1921
diff
changeset
|
1337 if ((row_pointers = png_malloc(png_ptr, height * sizeof(png_bytep))) == NULL) |
a8e475eede4a
Fix two memory leaks in the PNG writer/reader of libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1921
diff
changeset
|
1338 goto error; |
a8e475eede4a
Fix two memory leaks in the PNG writer/reader of libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1921
diff
changeset
|
1339 |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1340 for (int i = 0; i < img->height; i++) |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1341 row_pointers[i] = img->data + (i * img->pitch); |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1342 |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1343 png_read_image(png_ptr, row_pointers); |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1344 |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1345 png_read_end(png_ptr, NULL); |
1945
80d67f0e8567
Better fix for the PNG reader memory leak.
Matti Hamalainen <ccr@tnsp.org>
parents:
1942
diff
changeset
|
1346 png_free(png_ptr, row_pointers); |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1347 |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1348 // Create palette |
2093
d17512dbb4ef
Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2092
diff
changeset
|
1349 if (color_type == PNG_COLOR_TYPE_PALETTE) |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1350 { |
2093
d17512dbb4ef
Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2092
diff
changeset
|
1351 png_get_PLTE(png_ptr, info_ptr, &palette, &ncolors); |
d17512dbb4ef
Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2092
diff
changeset
|
1352 if (ncolors > 0 && palette != NULL) |
d17512dbb4ef
Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2092
diff
changeset
|
1353 { |
d17512dbb4ef
Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2092
diff
changeset
|
1354 dmMsg(2, "PNG: Palette of %d colors found.\n", ncolors); |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1355 |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1356 if ((res = dmPaletteAlloc(&(img->pal), ncolors, -1)) != DMERR_OK) |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1357 goto error; |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1358 |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1359 for (int i = 0; i < img->pal->ncolors; i++) |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1360 { |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1361 img->pal->colors[i].r = palette[i].red; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1362 img->pal->colors[i].g = palette[i].green; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1363 img->pal->colors[i].b = palette[i].blue; |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1364 } |
2093
d17512dbb4ef
Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2092
diff
changeset
|
1365 } |
d17512dbb4ef
Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2092
diff
changeset
|
1366 |
460
0af039b6c0ae
Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
453
diff
changeset
|
1367 png_get_tRNS(png_ptr, info_ptr, &trans, &ntrans, NULL); |
467
80d09ea85e75
Check for NULL pointers from png_get_tRNS and png_get_PLTE.
Matti Hamalainen <ccr@tnsp.org>
parents:
465
diff
changeset
|
1368 if (trans != NULL && ntrans > 0) |
460
0af039b6c0ae
Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
453
diff
changeset
|
1369 { |
2091 | 1370 dmMsg(2, "PNG: %d transparent colors.\n", ntrans); |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1371 for (int i = 0; i < img->pal->ncolors && i < ntrans; i++) |
467
80d09ea85e75
Check for NULL pointers from png_get_tRNS and png_get_PLTE.
Matti Hamalainen <ccr@tnsp.org>
parents:
465
diff
changeset
|
1372 { |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1373 img->pal->colors[i].a = trans[i]; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1374 if (img->pal->ctransp < 0 && trans[i] == 0) |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1375 img->pal->ctransp = i; |
467
80d09ea85e75
Check for NULL pointers from png_get_tRNS and png_get_PLTE.
Matti Hamalainen <ccr@tnsp.org>
parents:
465
diff
changeset
|
1376 } |
460
0af039b6c0ae
Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
453
diff
changeset
|
1377 } |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
1378 } |
460
0af039b6c0ae
Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
453
diff
changeset
|
1379 |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1380 res = DMERR_OK; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1381 |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1382 error: |
1939 | 1383 if (png_ptr != NULL && info_ptr != NULL) |
453
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1384 png_destroy_read_struct(&png_ptr, &info_ptr, NULL); |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1385 |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1386 return res; |
349a2ff11531
Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
1387 } |
435 | 1388 #endif |
1389 | |
1390 | |
1613
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1391 // |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1392 // Z-Soft PCX format |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1393 // |
2207
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
1394 #define PCX_PAL_COLORS 16 // Number of internal palette colors |
1279
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1395 |
435 | 1396 typedef struct |
1397 { | |
1398 Uint8 r,g,b; | |
1399 } DMPCXColor; | |
1400 | |
1401 | |
1402 typedef struct | |
1403 { | |
2091 | 1404 Uint8 |
1405 manufacturer, // always 0x0a | |
1406 version, // Z-Soft PC Paintbrush version: | |
1288 | 1407 // 0 = v2.5 |
1408 // 2 = v2.8 with palette, | |
1409 // 3 = v2.8 without palette | |
1410 // 4 = PC Paintbrush for Windows | |
1411 // 5 = v3.0 or better | |
2091 | 1412 encoding, // usually 0x01 = RLE, 0x00 = uncompressed |
1413 bitsPerPlane; // bits per pixel per plane | |
1279
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1414 |
435 | 1415 Uint16 xmin, ymin, xmax, ymax; |
1279
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1416 Uint16 hres, vres; // resolution in DPI, can be image dimensions as well. |
2207
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
1417 DMPCXColor colorMap[PCX_PAL_COLORS]; |
1279
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1418 Uint8 reserved; // should be set to 0 |
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1419 Uint8 nplanes; // number of planes |
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1420 Uint16 bpl; // bytes per plane LINE |
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1421 Uint16 palInfo; // 1 = color/BW, 2 = grayscale |
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1422 Uint16 hScreenSize, vScreenSize; |
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1423 Uint8 filler[54]; |
435 | 1424 } DMPCXHeader; |
1425 | |
1426 | |
1427 typedef struct | |
1428 { | |
1429 DMPCXHeader *header; | |
1430 Uint8 *buf; | |
1431 size_t bufLen, bufOffs; | |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1432 DMResource *fp; |
435 | 1433 } DMPCXData; |
1434 | |
1435 | |
1613
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1436 static int fmtProbePCX(const Uint8 *buf, const size_t len) |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1437 { |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1438 if (len > 128 + 32 && |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1439 (buf[1] == 5 || buf[1] == 2 || buf[1] == 3) && |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1440 buf[2] == 1 && |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1441 (buf[3] == 8 || buf[3] == 4 || buf[3] == 3 || buf[3] == 1) && |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1442 buf[65] >= 1 && buf[65] <= 4) |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1443 return DM_PROBE_SCORE_GOOD; |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1444 |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1445 return DM_PROBE_SCORE_FALSE; |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1446 } |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1447 |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1448 |
1298 | 1449 // Returns one byte from row buffer (of length len) at offset soffs, |
1450 // OR zero if the offset is outside buffer. | |
1301 | 1451 static inline Uint8 dmPCXGetByte(const Uint8 *row, const size_t len, const size_t soffs) |
435 | 1452 { |
1453 return (soffs < len) ? row[soffs] : 0; | |
1454 } | |
1455 | |
1456 static BOOL dmPCXFlush(DMPCXData *pcx) | |
1457 { | |
1458 BOOL ret = TRUE; | |
1459 if (pcx->bufOffs > 0) | |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1460 ret = dmf_write_str(pcx->fp, pcx->buf, pcx->bufOffs); |
1297 | 1461 |
435 | 1462 pcx->bufOffs = 0; |
1463 return ret; | |
1464 } | |
1465 | |
1466 static inline BOOL dmPCXPutByte(DMPCXData *pcx, const Uint8 val) | |
1467 { | |
1468 if (pcx->bufOffs < pcx->bufLen) | |
1469 { | |
1470 pcx->buf[pcx->bufOffs++] = val; | |
1471 return TRUE; | |
1472 } | |
1473 else | |
1474 return dmPCXFlush(pcx); | |
1475 } | |
1476 | |
1297 | 1477 |
1478 static int dmPCXPutData(DMPCXData *pcx, const Uint8 data, const int count) | |
1479 { | |
1480 if (count == 1 && (data & 0xC0) != 0xC0) | |
1481 { | |
1482 if (!dmPCXPutByte(pcx, data)) | |
1483 return DMERR_FWRITE; | |
1484 } | |
1485 else | |
1486 { | |
1487 if (!dmPCXPutByte(pcx, 0xC0 | count) || | |
1488 !dmPCXPutByte(pcx, data)) | |
1489 return DMERR_FWRITE; | |
1490 } | |
1491 return DMERR_OK; | |
1492 } | |
1493 | |
1494 | |
1301 | 1495 static int dmWritePCXRow(void *cbdata, const Uint8 *row, const size_t len) |
435 | 1496 { |
1497 DMPCXData *pcx = (DMPCXData *) cbdata; | |
1297 | 1498 int err; |
435 | 1499 size_t soffs = 0; |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
1500 |
435 | 1501 pcx->bufOffs = 0; |
1502 | |
1279
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1503 for (int plane = 0; plane < pcx->header->nplanes; plane++) |
435 | 1504 { |
1505 Uint8 data = dmPCXGetByte(row, len, soffs++), | |
1506 count = 1; | |
1507 | |
1297 | 1508 size_t blen = pcx->header->bpl * pcx->header->nplanes; |
435 | 1509 while (soffs < blen) |
1510 { | |
1297 | 1511 if (data == dmPCXGetByte(row, len, soffs) && count < 0x3F) |
435 | 1512 { |
1513 count++; | |
1514 soffs++; | |
1515 } | |
1516 else | |
1517 { | |
1297 | 1518 if ((err = dmPCXPutData(pcx, data, count)) != DMERR_OK) |
1519 return err; | |
435 | 1520 |
1521 data = dmPCXGetByte(row, len, soffs++); | |
1522 count = 1; | |
1523 } | |
1524 } | |
1525 | |
1297 | 1526 if ((err = dmPCXPutData(pcx, data, count)) != DMERR_OK) |
1527 return err; | |
435 | 1528 |
1529 if (!dmPCXFlush(pcx)) | |
808
f8126fa1df9b
Use dmlib error code return value in cases where a plain boolean was used
Matti Hamalainen <ccr@tnsp.org>
parents:
800
diff
changeset
|
1530 return DMERR_FWRITE; |
435 | 1531 } |
1532 | |
808
f8126fa1df9b
Use dmlib error code return value in cases where a plain boolean was used
Matti Hamalainen <ccr@tnsp.org>
parents:
800
diff
changeset
|
1533 return DMERR_OK; |
435 | 1534 } |
1535 | |
1536 | |
2156
e6ec7fad9ce2
Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose.
Matti Hamalainen <ccr@tnsp.org>
parents:
2154
diff
changeset
|
1537 int dmWritePCXImage(DMResource *fp, const DMImage *img, const DMImageWriteSpec *pspec) |
435 | 1538 { |
1539 DMPCXData pcx; | |
1540 DMPCXHeader hdr; | |
2156
e6ec7fad9ce2
Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose.
Matti Hamalainen <ccr@tnsp.org>
parents:
2154
diff
changeset
|
1541 DMImageWriteSpec spec; |
435 | 1542 int res; |
1302
38614c07c2e2
Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents:
1301
diff
changeset
|
1543 |
1303 | 1544 // Always force planar for PCX |
2156
e6ec7fad9ce2
Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose.
Matti Hamalainen <ccr@tnsp.org>
parents:
2154
diff
changeset
|
1545 memcpy(&spec, pspec, sizeof(DMImageWriteSpec)); |
1302
38614c07c2e2
Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents:
1301
diff
changeset
|
1546 spec.planar = TRUE; |
435 | 1547 |
1450
61a486e25dc7
24bit PCX writing does not work correctly, so return DMERR_NOT_SUPPORTED in the writer function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1341
diff
changeset
|
1548 // XXX: 24bit PCX does not work yet .. |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
1549 if ((img->pixfmt != DM_PIXFMT_PALETTE && img->pixfmt != DM_PIXFMT_GRAYSCALE) || |
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
1550 (spec.pixfmt != DM_PIXFMT_PALETTE && spec.pixfmt != DM_PIXFMT_GRAYSCALE)) |
1800
45e7688336dc
Fix checks for NULL palette in index/palette images. Also improve error
Matti Hamalainen <ccr@tnsp.org>
parents:
1730
diff
changeset
|
1551 { |
45e7688336dc
Fix checks for NULL palette in index/palette images. Also improve error
Matti Hamalainen <ccr@tnsp.org>
parents:
1730
diff
changeset
|
1552 return dmError(DMERR_NOT_SUPPORTED, |
45e7688336dc
Fix checks for NULL palette in index/palette images. Also improve error
Matti Hamalainen <ccr@tnsp.org>
parents:
1730
diff
changeset
|
1553 "24bit PCX not supported yet.\n"); |
45e7688336dc
Fix checks for NULL palette in index/palette images. Also improve error
Matti Hamalainen <ccr@tnsp.org>
parents:
1730
diff
changeset
|
1554 } |
45e7688336dc
Fix checks for NULL palette in index/palette images. Also improve error
Matti Hamalainen <ccr@tnsp.org>
parents:
1730
diff
changeset
|
1555 |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
1556 if (spec.pixfmt == DM_PIXFMT_PALETTE && img->pal == NULL) |
1800
45e7688336dc
Fix checks for NULL palette in index/palette images. Also improve error
Matti Hamalainen <ccr@tnsp.org>
parents:
1730
diff
changeset
|
1557 { |
45e7688336dc
Fix checks for NULL palette in index/palette images. Also improve error
Matti Hamalainen <ccr@tnsp.org>
parents:
1730
diff
changeset
|
1558 return dmError(DMERR_NULLPTR, |
45e7688336dc
Fix checks for NULL palette in index/palette images. Also improve error
Matti Hamalainen <ccr@tnsp.org>
parents:
1730
diff
changeset
|
1559 "Image spec says paletted/indexed image, but palette pointer is NULL.\n"); |
45e7688336dc
Fix checks for NULL palette in index/palette images. Also improve error
Matti Hamalainen <ccr@tnsp.org>
parents:
1730
diff
changeset
|
1560 } |
1450
61a486e25dc7
24bit PCX writing does not work correctly, so return DMERR_NOT_SUPPORTED in the writer function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1341
diff
changeset
|
1561 |
435 | 1562 // Create output file |
1563 pcx.buf = NULL; | |
1564 pcx.header = &hdr; | |
1565 pcx.fp = fp; | |
1566 | |
1567 // Create PCX header | |
1167 | 1568 dmMemset(&hdr, 0, sizeof(hdr)); |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
1569 if (spec.pixfmt == DM_PIXFMT_PALETTE || |
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
1570 spec.pixfmt == DM_PIXFMT_GRAYSCALE) |
435 | 1571 { |
2207
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
1572 const int ncolors = img->pal->ncolors > PCX_PAL_COLORS ? PCX_PAL_COLORS : img->pal->ncolors; |
2016 | 1573 for (int i = 0; i < ncolors; i++) |
435 | 1574 { |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1575 hdr.colorMap[i].r = img->pal->colors[i].r; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1576 hdr.colorMap[i].g = img->pal->colors[i].g; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1577 hdr.colorMap[i].b = img->pal->colors[i].b; |
435 | 1578 } |
1579 } | |
1580 hdr.manufacturer = 10; | |
1581 hdr.version = 5; | |
1582 hdr.encoding = 1; | |
1302
38614c07c2e2
Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents:
1301
diff
changeset
|
1583 hdr.hres = img->width * spec.scaleX; |
38614c07c2e2
Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents:
1301
diff
changeset
|
1584 hdr.vres = img->height * spec.scaleY; |
435 | 1585 hdr.xmin = hdr.ymin = 0; |
1302
38614c07c2e2
Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents:
1301
diff
changeset
|
1586 hdr.xmax = (img->width * spec.scaleX) - 1; |
38614c07c2e2
Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents:
1301
diff
changeset
|
1587 hdr.ymax = (img->height * spec.scaleY) - 1; |
1283
642a0dd98c6e
Oops, forgot to adjust the writing and reading when adding two members to
Matti Hamalainen <ccr@tnsp.org>
parents:
1281
diff
changeset
|
1588 hdr.hScreenSize = hdr.hres; |
642a0dd98c6e
Oops, forgot to adjust the writing and reading when adding two members to
Matti Hamalainen <ccr@tnsp.org>
parents:
1281
diff
changeset
|
1589 hdr.vScreenSize = hdr.vres; |
435 | 1590 |
2220
a8b4e9c9f337
Set PCX header palette information correctly for grayscale data images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2219
diff
changeset
|
1591 switch (spec.pixfmt) |
a8b4e9c9f337
Set PCX header palette information correctly for grayscale data images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2219
diff
changeset
|
1592 { |
a8b4e9c9f337
Set PCX header palette information correctly for grayscale data images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2219
diff
changeset
|
1593 case DM_PIXFMT_GRAYSCALE: hdr.palInfo = 2; break; |
a8b4e9c9f337
Set PCX header palette information correctly for grayscale data images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2219
diff
changeset
|
1594 default: hdr.palInfo = 1; break; |
a8b4e9c9f337
Set PCX header palette information correctly for grayscale data images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2219
diff
changeset
|
1595 } |
a8b4e9c9f337
Set PCX header palette information correctly for grayscale data images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2219
diff
changeset
|
1596 |
1291 | 1597 // TODO XXX .. maybe actually compute these asdf |
1598 hdr.bitsPerPlane = 8; | |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
1599 hdr.nplanes = dmImageGetBytesPerPixel(spec.pixfmt); |
1291 | 1600 |
2219 | 1601 // Compute bytes per line |
1302
38614c07c2e2
Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents:
1301
diff
changeset
|
1602 res = img->width * spec.scaleX; |
435 | 1603 hdr.bpl = res / 2; |
1604 if (res % 2) hdr.bpl++; | |
1605 hdr.bpl *= 2; | |
1606 | |
1297 | 1607 dmMsg(2, |
1608 "PCX: xmin=%d, ymin=%d, xmax=%d, ymax=%d, res=%dx%d, scr=%dx%d\n", | |
1609 hdr.xmin, hdr.ymin, hdr.xmax, hdr.ymax, | |
1610 hdr.hres, hdr.vres, | |
1611 hdr.hScreenSize, hdr.vScreenSize); | |
1612 | |
2065
451980580189
Refactor how paletted/indexed formats are handled in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
2064
diff
changeset
|
1613 dmMsg(2, "PCX: nplanes=%d, bpp=%d, bpl=%d, colfmt=%d, planar=%s\n", |
1302
38614c07c2e2
Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents:
1301
diff
changeset
|
1614 hdr.nplanes, hdr.bitsPerPlane, hdr.bpl, |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
1615 spec.pixfmt, |
1302
38614c07c2e2
Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents:
1301
diff
changeset
|
1616 spec.planar ? "yes" : "no" |
38614c07c2e2
Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents:
1301
diff
changeset
|
1617 ); |
435 | 1618 |
1291 | 1619 // TODO XXX this is also bogus |
2219 | 1620 pcx.bufLen = hdr.bpl * 4; |
435 | 1621 if ((pcx.buf = dmMalloc(pcx.bufLen)) == NULL) |
1622 { | |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1623 res = dmError(DMERR_MALLOC, |
2384
36edd316184a
Fix some format strings to use proper PRI*_SIZE_T where necessary.
Matti Hamalainen <ccr@tnsp.org>
parents:
2371
diff
changeset
|
1624 "PCX: Could not allocate %" DM_PRIu_SIZE_T |
36edd316184a
Fix some format strings to use proper PRI*_SIZE_T where necessary.
Matti Hamalainen <ccr@tnsp.org>
parents:
2371
diff
changeset
|
1625 " bytes for RLE compression buffer.\n", |
435 | 1626 pcx.bufLen); |
1627 goto error; | |
1628 } | |
1629 | |
1630 // Write PCX header | |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1631 if (!dmf_write_byte(pcx.fp, hdr.manufacturer) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1632 !dmf_write_byte(pcx.fp, hdr.version) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1633 !dmf_write_byte(pcx.fp, hdr.encoding) || |
2219 | 1634 !dmf_write_byte(pcx.fp, hdr.bitsPerPlane) || |
1635 !dmf_write_le16(pcx.fp, hdr.xmin) || | |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1636 !dmf_write_le16(pcx.fp, hdr.ymin) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1637 !dmf_write_le16(pcx.fp, hdr.xmax) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1638 !dmf_write_le16(pcx.fp, hdr.ymax) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1639 !dmf_write_le16(pcx.fp, hdr.hres) || |
2219 | 1640 !dmf_write_le16(pcx.fp, hdr.vres) || |
1641 !dmf_write_str(pcx.fp, (Uint8 *) &hdr.colorMap, sizeof(hdr.colorMap)) || | |
1642 !dmf_write_byte(pcx.fp, hdr.reserved) || | |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1643 !dmf_write_byte(pcx.fp, hdr.nplanes) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1644 !dmf_write_le16(pcx.fp, hdr.bpl) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1645 !dmf_write_le16(pcx.fp, hdr.palInfo) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1646 !dmf_write_le16(pcx.fp, hdr.hScreenSize) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1647 !dmf_write_le16(pcx.fp, hdr.vScreenSize) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1648 !dmf_write_str(pcx.fp, (Uint8 *) &hdr.filler, sizeof(hdr.filler))) |
435 | 1649 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1650 res = dmError(DMERR_FWRITE, |
2219 | 1651 "PCX: Could not write header data.\n"); |
435 | 1652 goto error; |
1653 } | |
1654 | |
1655 // Write image data | |
1302
38614c07c2e2
Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents:
1301
diff
changeset
|
1656 res = dmWriteImageData(img, (void *) &pcx, dmWritePCXRow, &spec); |
435 | 1657 |
1658 // Write VGA palette | |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
1659 if (spec.pixfmt == DM_PIXFMT_PALETTE || |
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
1660 spec.pixfmt == DM_PIXFMT_GRAYSCALE) |
435 | 1661 { |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1662 dmMsg(2, "PCX: Writing palette of %d active entries.\n", img->pal->ncolors); |
1294
9f2117f1584a
Improve error checking in PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents:
1292
diff
changeset
|
1663 |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1664 dmf_write_byte(pcx.fp, 0x0C); |
435 | 1665 |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1666 if ((res = dmPaletteWriteData(fp, img->pal, img->pal->ncolors, 256)) != DMERR_OK) |
435 | 1667 { |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1668 res = dmError(DMERR_FWRITE, |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1669 "PCX: Could not write palette data.\n"); |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1670 goto error; |
435 | 1671 } |
1672 } | |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
1673 |
435 | 1674 error: |
1675 dmFree(pcx.buf); | |
1676 return res; | |
1677 } | |
1678 | |
1679 | |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1680 static BOOL dmPCXDecodeRLERow(DMResource *fp, Uint8 *buf, const size_t bufLen) |
435 | 1681 { |
1682 size_t offs = 0; | |
1683 do | |
1684 { | |
1685 int count; | |
1686 Uint8 data; | |
1687 | |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1688 if (!dmf_read_byte(fp, &data)) |
435 | 1689 return FALSE; |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
1690 |
435 | 1691 if ((data & 0xC0) == 0xC0) |
1692 { | |
1284 | 1693 BOOL skip = FALSE; |
435 | 1694 count = data & 0x3F; |
1284 | 1695 if (count == 0) |
1696 { | |
1285
e4bda4909d72
Make libgfx error mode a global variable, at least for now.
Matti Hamalainen <ccr@tnsp.org>
parents:
1284
diff
changeset
|
1697 switch (dmGFXErrorMode) |
1284 | 1698 { |
1285
e4bda4909d72
Make libgfx error mode a global variable, at least for now.
Matti Hamalainen <ccr@tnsp.org>
parents:
1284
diff
changeset
|
1699 case DM_ERRMODE_RECOV_1: |
1284 | 1700 // Use as literal |
1701 skip = TRUE; | |
1702 count = 1; | |
1703 break; | |
1704 | |
1285
e4bda4909d72
Make libgfx error mode a global variable, at least for now.
Matti Hamalainen <ccr@tnsp.org>
parents:
1284
diff
changeset
|
1705 case DM_ERRMODE_RECOV_2: |
1284 | 1706 // Ignore completely |
1707 skip = TRUE; | |
1708 break; | |
1709 | |
1285
e4bda4909d72
Make libgfx error mode a global variable, at least for now.
Matti Hamalainen <ccr@tnsp.org>
parents:
1284
diff
changeset
|
1710 case DM_ERRMODE_FAIL: |
1284 | 1711 default: |
1712 // Error out on "invalid" data | |
1713 return FALSE; | |
1714 } | |
1715 } | |
1716 | |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1717 if (!skip && !dmf_read_byte(fp, &data)) |
435 | 1718 return FALSE; |
1719 } | |
1720 else | |
1721 count = 1; | |
1722 | |
1723 while (count-- && offs < bufLen) | |
1724 buf[offs++] = data; | |
1725 | |
1284 | 1726 // Check for remaining output count, error out if we wish to |
1285
e4bda4909d72
Make libgfx error mode a global variable, at least for now.
Matti Hamalainen <ccr@tnsp.org>
parents:
1284
diff
changeset
|
1727 if (count > 0 && dmGFXErrorMode == DM_ERRMODE_FAIL) |
1284 | 1728 return FALSE; |
1729 | |
435 | 1730 } while (offs < bufLen); |
1731 | |
1732 return TRUE; | |
1733 } | |
1734 | |
1735 | |
1886
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
1736 int dmReadPCXImage(DMResource *fp, DMImage **pimg) |
435 | 1737 { |
1738 DMImage *img; | |
1739 DMPCXData pcx; | |
1740 DMPCXHeader hdr; | |
1279
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1741 int res = 0; |
1286 | 1742 BOOL isPaletted; |
435 | 1743 pcx.buf = NULL; |
1744 | |
1745 // Read PCX header | |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1746 if (!dmf_read_byte(fp, &hdr.manufacturer) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1747 !dmf_read_byte(fp, &hdr.version) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1748 !dmf_read_byte(fp, &hdr.encoding) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1749 !dmf_read_byte(fp, &hdr.bitsPerPlane) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1750 !dmf_read_le16(fp, &hdr.xmin) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1751 !dmf_read_le16(fp, &hdr.ymin) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1752 !dmf_read_le16(fp, &hdr.xmax) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1753 !dmf_read_le16(fp, &hdr.ymax) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1754 !dmf_read_le16(fp, &hdr.hres) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1755 !dmf_read_le16(fp, &hdr.vres) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1756 !dmf_read_str(fp, (Uint8 *) &hdr.colorMap, sizeof(hdr.colorMap)) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1757 !dmf_read_byte(fp, &hdr.reserved) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1758 !dmf_read_byte(fp, &hdr.nplanes) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1759 !dmf_read_le16(fp, &hdr.bpl) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1760 !dmf_read_le16(fp, &hdr.palInfo) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1761 !dmf_read_le16(fp, &hdr.hScreenSize) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1762 !dmf_read_le16(fp, &hdr.vScreenSize) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1763 !dmf_read_str(fp, (Uint8 *) &hdr.filler, sizeof(hdr.filler))) |
435 | 1764 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1765 res = dmError(DMERR_FREAD, |
1298 | 1766 "PCX: Could not read image header data.\n"); |
1767 goto error; | |
1768 } | |
1769 | |
1770 if (hdr.manufacturer != 10 || | |
1771 hdr.version > 5 || | |
1772 hdr.encoding != 1) | |
1773 { | |
1774 res = dmError(DMERR_NOT_SUPPORTED, | |
1775 "PCX: Not a PCX file, or unsupported variant.\n"); | |
435 | 1776 goto error; |
1777 } | |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
1778 |
1299
b0c0be4c76f9
Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now.
Matti Hamalainen <ccr@tnsp.org>
parents:
1298
diff
changeset
|
1779 if (hdr.nplanes == 4 && hdr.bitsPerPlane == 4) |
b0c0be4c76f9
Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now.
Matti Hamalainen <ccr@tnsp.org>
parents:
1298
diff
changeset
|
1780 { |
b0c0be4c76f9
Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now.
Matti Hamalainen <ccr@tnsp.org>
parents:
1298
diff
changeset
|
1781 dmMsg(2, |
2078
b2f1ce24f81b
Be more informative when attempting to figure out broken PCX file.
Matti Hamalainen <ccr@tnsp.org>
parents:
2071
diff
changeset
|
1782 "PCX: Probably invalid combination of nplanes=%d and bpp=%d, attempting to fix ..\n", |
b2f1ce24f81b
Be more informative when attempting to figure out broken PCX file.
Matti Hamalainen <ccr@tnsp.org>
parents:
2071
diff
changeset
|
1783 hdr.nplanes, hdr.bitsPerPlane); |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1784 |
1299
b0c0be4c76f9
Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now.
Matti Hamalainen <ccr@tnsp.org>
parents:
1298
diff
changeset
|
1785 hdr.bitsPerPlane = 1; |
b0c0be4c76f9
Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now.
Matti Hamalainen <ccr@tnsp.org>
parents:
1298
diff
changeset
|
1786 } |
b0c0be4c76f9
Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now.
Matti Hamalainen <ccr@tnsp.org>
parents:
1298
diff
changeset
|
1787 |
1295
7a986f33895e
Fix isPaletted check in PCX reader :P
Matti Hamalainen <ccr@tnsp.org>
parents:
1294
diff
changeset
|
1788 isPaletted = (hdr.bitsPerPlane * hdr.nplanes) <= 8; |
1291 | 1789 |
1790 dmMsg(2, | |
1791 "PCX: xmin=%d, ymin=%d, xmax=%d, ymax=%d, res=%dx%d, scr=%dx%d\n", | |
1792 hdr.xmin, hdr.ymin, hdr.xmax, hdr.ymax, | |
1793 hdr.hres, hdr.vres, | |
1794 hdr.hScreenSize, hdr.vScreenSize); | |
1795 | |
1796 dmMsg(2, | |
1797 "PCX: nplanes=%d, bpp=%d, bpl=%d, isPaletted=%s\n", | |
1798 hdr.nplanes, hdr.bitsPerPlane, hdr.bpl, isPaletted ? "yes" : "no"); | |
1799 | |
2257
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
1800 // Check image dimensions |
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
1801 if (hdr.xmin > hdr.xmax || hdr.ymin > hdr.ymax) |
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
1802 { |
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
1803 res = dmError(DMERR_INVALID_DATA, |
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
1804 "PCX: Invalid image dimensions.\n"); |
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
1805 goto error; |
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
1806 } |
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
1807 |
1279
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1808 if (hdr.nplanes < 1 || hdr.nplanes > 8) |
435 | 1809 { |
1279
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1810 res = dmError(DMERR_NOT_SUPPORTED, |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1811 "PCX: Unsupported number of bitplanes %d.\n", |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1812 hdr.nplanes); |
435 | 1813 goto error; |
1814 } | |
1815 | |
1286 | 1816 if (!isPaletted) |
1817 { | |
1818 res = dmError(DMERR_NOT_SUPPORTED, | |
1819 "PCX: Non-indexed (truecolour) PCX images not supported for loading.\n"); | |
1820 goto error; | |
1821 } | |
1822 | |
435 | 1823 // Allocate image |
1286 | 1824 if ((*pimg = img = dmImageAlloc(hdr.xmax - hdr.xmin + 1, hdr.ymax - hdr.ymin + 1, |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
1825 isPaletted ? DM_PIXFMT_PALETTE : DM_PIXFMT_RGB, |
1299
b0c0be4c76f9
Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now.
Matti Hamalainen <ccr@tnsp.org>
parents:
1298
diff
changeset
|
1826 // XXX TODO? When/if we ever handle < 8bit indexed correctly, we can use the actual bpp |
b0c0be4c76f9
Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now.
Matti Hamalainen <ccr@tnsp.org>
parents:
1298
diff
changeset
|
1827 // isPaletted ? (hdr.bitsPerPlane * hdr.nplanes) : -1 |
b0c0be4c76f9
Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now.
Matti Hamalainen <ccr@tnsp.org>
parents:
1298
diff
changeset
|
1828 -1 |
b0c0be4c76f9
Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now.
Matti Hamalainen <ccr@tnsp.org>
parents:
1298
diff
changeset
|
1829 )) == NULL) |
435 | 1830 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1831 res = dmError(DMERR_MALLOC, |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1832 "PCX: Could not allocate image structure.\n"); |
435 | 1833 goto error; |
1834 } | |
1835 | |
1628
a549d33d543a
Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents:
1627
diff
changeset
|
1836 // Set image aspect ratio |
a549d33d543a
Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents:
1627
diff
changeset
|
1837 if (hdr.hScreenSize > 0 && hdr.vScreenSize > 0 && |
a549d33d543a
Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents:
1627
diff
changeset
|
1838 hdr.vScreenSize / hdr.hScreenSize != img->height / img->width) |
a549d33d543a
Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents:
1627
diff
changeset
|
1839 img->aspect = (float) hdr.vScreenSize / (float) hdr.hScreenSize; |
a549d33d543a
Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents:
1627
diff
changeset
|
1840 |
1298 | 1841 // Sanity check bytes per line value |
1279
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1842 if (hdr.bpl < (img->width * hdr.bitsPerPlane) / 8) |
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1843 { |
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1844 res = dmError(DMERR_MALLOC, |
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1845 "PCX: The bytes per plane line value %d is smaller than width*bpp/8 = %d!\n", |
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1846 hdr.bpl, (img->width * hdr.bitsPerPlane) / 8); |
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1847 goto error; |
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1848 } |
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1849 |
435 | 1850 pcx.bufLen = hdr.nplanes * hdr.bpl; |
1851 if ((pcx.buf = dmMalloc(pcx.bufLen)) == NULL) | |
1852 { | |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1853 res = dmError(DMERR_MALLOC, |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1854 "PCX: Could not allocate RLE buffer.\n"); |
435 | 1855 goto error; |
1856 } | |
1857 | |
1299
b0c0be4c76f9
Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now.
Matti Hamalainen <ccr@tnsp.org>
parents:
1298
diff
changeset
|
1858 dmMsg(2, |
2384
36edd316184a
Fix some format strings to use proper PRI*_SIZE_T where necessary.
Matti Hamalainen <ccr@tnsp.org>
parents:
2371
diff
changeset
|
1859 "PCX: bufLen=%" DM_PRIu_SIZE_T "\n", |
1299
b0c0be4c76f9
Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now.
Matti Hamalainen <ccr@tnsp.org>
parents:
1298
diff
changeset
|
1860 pcx.bufLen); |
b0c0be4c76f9
Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now.
Matti Hamalainen <ccr@tnsp.org>
parents:
1298
diff
changeset
|
1861 |
435 | 1862 // Read image data |
1279
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1863 Uint8 *dp = img->data; |
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1864 for (int yc = 0; yc < img->height; yc++) |
435 | 1865 { |
1866 // Decode row of RLE'd data | |
1285
e4bda4909d72
Make libgfx error mode a global variable, at least for now.
Matti Hamalainen <ccr@tnsp.org>
parents:
1284
diff
changeset
|
1867 if (!dmPCXDecodeRLERow(fp, pcx.buf, pcx.bufLen)) |
435 | 1868 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1869 res = dmError(DMERR_INVALID_DATA, |
1279
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1870 "PCX: Error decoding RLE compressed data.\n"); |
435 | 1871 goto error; |
1872 } | |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1873 |
435 | 1874 // Decode bitplanes |
1279
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1875 switch (hdr.bitsPerPlane) |
435 | 1876 { |
1296 | 1877 case 24: |
1279
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1878 case 8: |
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1879 { |
1286 | 1880 // Actually bytes and bits per plane per pixel .. |
1881 const int bytesPerPlane = hdr.bitsPerPlane / 8; | |
1279
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1882 |
1286 | 1883 for (int nplane = 0; nplane < hdr.nplanes; nplane++) |
1884 { | |
1885 Uint8 *dptr = dp + (nplane * bytesPerPlane), | |
1886 *sptr = pcx.buf + (hdr.bpl * nplane); | |
1887 | |
1888 memcpy(dptr, sptr, img->width * bytesPerPlane); | |
1889 } | |
1279
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1890 } |
435 | 1891 break; |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
1892 |
1280
300a51e98fc3
Bump version and copyright.
Matti Hamalainen <ccr@tnsp.org>
parents:
1279
diff
changeset
|
1893 case 1: |
1814
0b7062d874ef
Use dmMemset() instead of memset().
Matti Hamalainen <ccr@tnsp.org>
parents:
1810
diff
changeset
|
1894 dmMemset(dp, 0, img->width); |
1296 | 1895 |
1280
300a51e98fc3
Bump version and copyright.
Matti Hamalainen <ccr@tnsp.org>
parents:
1279
diff
changeset
|
1896 for (int nplane = 0; nplane < hdr.nplanes; nplane++) |
300a51e98fc3
Bump version and copyright.
Matti Hamalainen <ccr@tnsp.org>
parents:
1279
diff
changeset
|
1897 { |
1296 | 1898 Uint8 *sptr = pcx.buf + (hdr.bpl * nplane); |
1280
300a51e98fc3
Bump version and copyright.
Matti Hamalainen <ccr@tnsp.org>
parents:
1279
diff
changeset
|
1899 |
300a51e98fc3
Bump version and copyright.
Matti Hamalainen <ccr@tnsp.org>
parents:
1279
diff
changeset
|
1900 for (int xc = 0; xc < img->width; xc++) |
1296 | 1901 { |
1299
b0c0be4c76f9
Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now.
Matti Hamalainen <ccr@tnsp.org>
parents:
1298
diff
changeset
|
1902 const int px = 7 - (xc & 7); |
b0c0be4c76f9
Aaand some more work on PCX loader. Actually works with 4/1 planes/bpp images now.
Matti Hamalainen <ccr@tnsp.org>
parents:
1298
diff
changeset
|
1903 dp[xc] |= ((sptr[xc / 8] & (1 << px)) >> px) << nplane; |
1296 | 1904 } |
1280
300a51e98fc3
Bump version and copyright.
Matti Hamalainen <ccr@tnsp.org>
parents:
1279
diff
changeset
|
1905 } |
300a51e98fc3
Bump version and copyright.
Matti Hamalainen <ccr@tnsp.org>
parents:
1279
diff
changeset
|
1906 break; |
300a51e98fc3
Bump version and copyright.
Matti Hamalainen <ccr@tnsp.org>
parents:
1279
diff
changeset
|
1907 |
1279
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1908 default: |
1285
e4bda4909d72
Make libgfx error mode a global variable, at least for now.
Matti Hamalainen <ccr@tnsp.org>
parents:
1284
diff
changeset
|
1909 res = dmError(DMERR_NOT_SUPPORTED, |
1279
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1910 "PCX: Unsupported number of bits per plane %d.\n", |
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1911 hdr.bitsPerPlane); |
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1912 goto error; |
435 | 1913 } |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
1914 |
435 | 1915 dp += img->pitch; |
1916 } | |
1917 | |
1279
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1918 // Read additional VGA palette, if available |
1286 | 1919 if (isPaletted) |
435 | 1920 { |
1279
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1921 int ncolors; |
435 | 1922 Uint8 tmpb; |
1923 BOOL read; | |
1924 | |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
1925 if (!dmf_read_byte(fp, &tmpb) || tmpb != 0x0C) |
435 | 1926 { |
1927 read = FALSE; | |
2207
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
1928 ncolors = PCX_PAL_COLORS; |
435 | 1929 } |
1930 else | |
1931 { | |
1932 read = TRUE; | |
451
fdc91f2a0d27
Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents:
449
diff
changeset
|
1933 ncolors = 256; |
435 | 1934 } |
1935 | |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1936 if ((res = dmPaletteAlloc(&(img->pal), ncolors, -1)) != DMERR_OK) |
435 | 1937 { |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1938 res = dmError(res, |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1939 "PCX: Could not allocate palette data!\n"); |
435 | 1940 goto error; |
1941 } | |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
1942 |
435 | 1943 if (read) |
1944 { | |
1279
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1945 // Okay, attempt to read the palette data |
1296 | 1946 dmMsg(2, "PCX: Reading palette of %d colors\n", ncolors); |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1947 if ((res = dmPaletteReadData(fp, img->pal, ncolors)) != DMERR_OK) |
435 | 1948 { |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1949 dmErrorMsg("PCX: Error reading palette.\n"); |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
1950 goto error; |
435 | 1951 } |
1952 } | |
1953 else | |
1954 { | |
2207
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
1955 const int nmax = img->pal->ncolors > PCX_PAL_COLORS ? PCX_PAL_COLORS : img->pal->ncolors; |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1956 |
1279
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1957 // If the extra palette is not available, copy the colors from |
0d3f5f44c0c4
Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
1265
diff
changeset
|
1958 // the header palette to our internal palette structure. |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1959 dmMsg(2, "PCX: Initializing palette from header of %d colors (%d)\n", ncolors, nmax); |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1960 |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1961 for (int i = 0; i < nmax; i++) |
435 | 1962 { |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1963 img->pal->colors[i].r = hdr.colorMap[i].r; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1964 img->pal->colors[i].g = hdr.colorMap[i].g; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
1965 img->pal->colors[i].b = hdr.colorMap[i].b; |
435 | 1966 } |
1967 } | |
1968 } | |
1969 | |
1970 error: | |
1971 dmFree(pcx.buf); | |
1972 return res; | |
1973 } | |
1974 | |
1975 | |
1613
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1976 // |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1977 // IFF ILBM / PBM format |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
1978 // |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
1979 #define IFF_ID_FORM 0x464F524D // "FORM" |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
1980 #define IFF_ID_ILBM 0x494C424D // "ILBM" |
464 | 1981 #define IFF_ID_PBM 0x50424D20 // "PBM " |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
1982 #define IFF_ID_BMHD 0x424D4844 // "BMHD" |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
1983 #define IFF_ID_CMAP 0x434D4150 // "CMAP" |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
1984 #define IFF_ID_BODY 0x424F4459 // "BODY" |
449
117f94b253af
Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
448
diff
changeset
|
1985 #define IFF_ID_CAMG 0x43414D47 // "CAMG" |
2053
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
1986 #define IFF_ID_ACBM 0x4143424D // "ACBM" |
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
1987 #define IFF_ID_ABIT 0x41424954 // "ABIT" |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
1988 |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
1989 #define IFF_MASK_NONE 0 |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
1990 #define IFF_MASK_HAS_MASK 1 |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
1991 #define IFF_MASK_TRANSP 2 |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
1992 #define IFF_MASK_LASSO 3 |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
1993 |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
1994 #define IFF_COMP_NONE 0 |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
1995 #define IFF_COMP_BYTERUN1 1 |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
1996 |
449
117f94b253af
Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
448
diff
changeset
|
1997 #define IFF_CAMG_LACE 0x00000004 |
117f94b253af
Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
448
diff
changeset
|
1998 #define IFF_CAMG_HALFBRITE 0x00000080 |
117f94b253af
Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
448
diff
changeset
|
1999 #define IFF_CAMG_HAM 0x00000800 |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2000 |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2001 typedef struct |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2002 { |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2003 Uint32 id; |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2004 Uint32 size; |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2005 int count; |
1656
2de258f2eb2e
Get rid of a basically redundant function in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1655
diff
changeset
|
2006 char idStr[6]; |
1895
eb03869a10d3
Clean up the IFF reader and make it more robust.
Matti Hamalainen <ccr@tnsp.org>
parents:
1894
diff
changeset
|
2007 off_t offs; |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2008 } DMIFFChunk; |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2009 |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2010 |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2011 typedef struct |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2012 { |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2013 Uint16 w, h; |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2014 Sint16 x, y; |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2015 Uint8 nplanes; |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2016 Uint8 masking; |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2017 Uint8 compression; |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2018 Uint8 pad1; |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2019 Uint16 transp; |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2020 Uint8 xasp, yasp; |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2021 Sint16 pagew, pageh; |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2022 } DMIFFBMHD; |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2023 |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2024 |
444
7d588807f91d
Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
2025 typedef struct |
7d588807f91d
Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
2026 { |
1810 | 2027 DMIFFChunk chFORM, chBMHD, chCMAP, chBODY; |
444
7d588807f91d
Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
2028 DMIFFBMHD bmhd; |
1810 | 2029 Uint32 camg; |
444
7d588807f91d
Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
2030 int ncolors; |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2031 DMPalette *pal; |
2053
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2032 Uint32 idsig; |
2064
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2033 char *idstr; |
444
7d588807f91d
Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
2034 } DMIFF; |
7d588807f91d
Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
2035 |
7d588807f91d
Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
2036 |
2068 | 2037 static int fmtProbeIFF(const Uint8 *buf, const size_t len, const Uint32 id) |
1613
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
2038 { |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
2039 if (len > 32 && |
2068 | 2040 DM_BE32_TO_NATIVE(*(Uint32 *) (buf + 0)) == IFF_ID_FORM && |
2041 DM_BE32_TO_NATIVE(*(Uint32 *) (buf + 8)) == id) | |
1613
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
2042 { |
2063 | 2043 if (DM_BE32_TO_NATIVE(*(Uint32 *) (buf + 12)) == IFF_ID_BMHD) |
1613
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
2044 return DM_PROBE_SCORE_MAX; |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
2045 else |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
2046 return DM_PROBE_SCORE_GOOD; |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
2047 } |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
2048 |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
2049 return DM_PROBE_SCORE_FALSE; |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
2050 } |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
2051 |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
2052 |
2068 | 2053 static int fmtProbeIFF_ILBM(const Uint8 *buf, const size_t len) |
2054 { | |
2055 return fmtProbeIFF(buf, len, IFF_ID_ILBM); | |
2056 } | |
2057 | |
2058 | |
2059 static int fmtProbeIFF_PBM(const Uint8 *buf, const size_t len) | |
2060 { | |
2061 return fmtProbeIFF(buf, len, IFF_ID_PBM); | |
2062 } | |
2063 | |
2064 | |
2065 static int fmtProbeIFF_ACBM(const Uint8 *buf, const size_t len) | |
2066 { | |
2067 return fmtProbeIFF(buf, len, IFF_ID_ACBM); | |
2068 } | |
2069 | |
2070 | |
1657
2b6dbdd602b5
Split IFF chunk id string from id creation into separate function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1656
diff
changeset
|
2071 static void dmMakeIFFChunkIDStr(DMIFFChunk *chunk) |
2b6dbdd602b5
Split IFF chunk id string from id creation into separate function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1656
diff
changeset
|
2072 { |
2b6dbdd602b5
Split IFF chunk id string from id creation into separate function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1656
diff
changeset
|
2073 chunk->idStr[0] = (chunk->id >> 24) & 0xff; |
2b6dbdd602b5
Split IFF chunk id string from id creation into separate function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1656
diff
changeset
|
2074 chunk->idStr[1] = (chunk->id >> 16) & 0xff; |
2b6dbdd602b5
Split IFF chunk id string from id creation into separate function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1656
diff
changeset
|
2075 chunk->idStr[2] = (chunk->id >> 8) & 0xff; |
2b6dbdd602b5
Split IFF chunk id string from id creation into separate function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1656
diff
changeset
|
2076 chunk->idStr[3] = (chunk->id) & 0xff; |
2b6dbdd602b5
Split IFF chunk id string from id creation into separate function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1656
diff
changeset
|
2077 chunk->idStr[4] = 0; |
2b6dbdd602b5
Split IFF chunk id string from id creation into separate function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1656
diff
changeset
|
2078 } |
2b6dbdd602b5
Split IFF chunk id string from id creation into separate function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1656
diff
changeset
|
2079 |
2b6dbdd602b5
Split IFF chunk id string from id creation into separate function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1656
diff
changeset
|
2080 |
1654
92656ad7f706
Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1641
diff
changeset
|
2081 static int dmReadIFFChunkHdr(DMResource *fp, DMIFFChunk *chunk) |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2082 { |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
2083 if (!dmf_read_be32(fp, &chunk->id) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
2084 !dmf_read_be32(fp, &chunk->size)) |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2085 { |
1654
92656ad7f706
Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1641
diff
changeset
|
2086 return dmError(DMERR_FREAD, |
1892
cbc911ffd21e
Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
1887
diff
changeset
|
2087 "IFF: Could not read IFF chunk header.\n"); |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2088 } |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2089 else |
1656
2de258f2eb2e
Get rid of a basically redundant function in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1655
diff
changeset
|
2090 { |
1895
eb03869a10d3
Clean up the IFF reader and make it more robust.
Matti Hamalainen <ccr@tnsp.org>
parents:
1894
diff
changeset
|
2091 chunk->offs = dmftell(fp); |
1657
2b6dbdd602b5
Split IFF chunk id string from id creation into separate function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1656
diff
changeset
|
2092 dmMakeIFFChunkIDStr(chunk); |
1654
92656ad7f706
Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1641
diff
changeset
|
2093 return DMERR_OK; |
1656
2de258f2eb2e
Get rid of a basically redundant function in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1655
diff
changeset
|
2094 } |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2095 } |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2096 |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2097 |
1895
eb03869a10d3
Clean up the IFF reader and make it more robust.
Matti Hamalainen <ccr@tnsp.org>
parents:
1894
diff
changeset
|
2098 static int dmSkipIFFChunkRest(DMResource *fp, const DMIFFChunk *chunk) |
444
7d588807f91d
Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
2099 { |
1901
636d3c8bcd35
Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1900
diff
changeset
|
2100 off_t read = dmftell(fp) - chunk->offs, |
636d3c8bcd35
Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1900
diff
changeset
|
2101 size = chunk->size; |
636d3c8bcd35
Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1900
diff
changeset
|
2102 |
636d3c8bcd35
Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1900
diff
changeset
|
2103 if (size & 1) |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2104 { |
2384
36edd316184a
Fix some format strings to use proper PRI*_SIZE_T where necessary.
Matti Hamalainen <ccr@tnsp.org>
parents:
2371
diff
changeset
|
2105 dmMsg(3, "IFF: Chunk size %" DM_PRIu_SIZE_T |
36edd316184a
Fix some format strings to use proper PRI*_SIZE_T where necessary.
Matti Hamalainen <ccr@tnsp.org>
parents:
2371
diff
changeset
|
2106 " is uneven, adjusting to %" DM_PRIu_SIZE_T ".\n", |
1901
636d3c8bcd35
Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1900
diff
changeset
|
2107 size, size + 1); |
636d3c8bcd35
Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1900
diff
changeset
|
2108 size++; |
636d3c8bcd35
Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1900
diff
changeset
|
2109 } |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2110 |
1901
636d3c8bcd35
Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1900
diff
changeset
|
2111 if (size > read) |
636d3c8bcd35
Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1900
diff
changeset
|
2112 { |
2384
36edd316184a
Fix some format strings to use proper PRI*_SIZE_T where necessary.
Matti Hamalainen <ccr@tnsp.org>
parents:
2371
diff
changeset
|
2113 dmMsg(3, "IFF: Skipping %" DM_PRIu_SIZE_T |
36edd316184a
Fix some format strings to use proper PRI*_SIZE_T where necessary.
Matti Hamalainen <ccr@tnsp.org>
parents:
2371
diff
changeset
|
2114 " bytes (%" DM_PRIu_SIZE_T |
36edd316184a
Fix some format strings to use proper PRI*_SIZE_T where necessary.
Matti Hamalainen <ccr@tnsp.org>
parents:
2371
diff
changeset
|
2115 " of %" DM_PRIu_SIZE_T " consumed)\n", |
1901
636d3c8bcd35
Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1900
diff
changeset
|
2116 size - read, read, size); |
636d3c8bcd35
Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1900
diff
changeset
|
2117 |
636d3c8bcd35
Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1900
diff
changeset
|
2118 if (dmfseek(fp, size - read, SEEK_CUR) != 0) |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2119 { |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2120 return dmError(DMERR_FSEEK, |
1892
cbc911ffd21e
Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
1887
diff
changeset
|
2121 "IFF: Failed to skip chunk end.\n"); |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2122 } |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2123 } |
1903 | 2124 |
1901
636d3c8bcd35
Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1900
diff
changeset
|
2125 return DMERR_OK; |
444
7d588807f91d
Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
2126 } |
7d588807f91d
Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
2127 |
1656
2de258f2eb2e
Get rid of a basically redundant function in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1655
diff
changeset
|
2128 |
2053
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2129 static int dmCheckIFFChunk(DMIFFChunk *dest, const DMIFFChunk *chunk, |
445 | 2130 const BOOL multi, const Uint32 minSize) |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2131 { |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2132 if (dest->count > 0 && !multi) |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2133 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2134 return dmError(DMERR_INVALID_DATA, |
1892
cbc911ffd21e
Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
1887
diff
changeset
|
2135 "IFF: Multiple instances of chunk %s found.\n", |
1656
2de258f2eb2e
Get rid of a basically redundant function in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1655
diff
changeset
|
2136 chunk->idStr); |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2137 } |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2138 |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2139 dest->count++; |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2140 |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2141 if (chunk->size < minSize) |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2142 { |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2143 return dmError(DMERR_OUT_OF_DATA, |
1907
571109a14967
Add some more informative messages in IFF loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1906
diff
changeset
|
2144 "IFF: Chunk %s is too small (%d < %d).\n", |
571109a14967
Add some more informative messages in IFF loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1906
diff
changeset
|
2145 chunk->idStr, chunk->size, minSize); |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2146 } |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2147 |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2148 return DMERR_OK; |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2149 } |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2150 |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2151 |
2055
6c6a4ea67540
Make two functions static and one not.
Matti Hamalainen <ccr@tnsp.org>
parents:
2054
diff
changeset
|
2152 BOOL dmIFFDecodeByteRun1Row(DMResource *fp, Uint8 *buf, const size_t bufLen) |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2153 { |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2154 size_t offs = 0; |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2155 do |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2156 { |
1905
425259977bc5
Don't use signed arithmatic in IFF ByteRun1 decoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1904
diff
changeset
|
2157 Uint8 data, ucount; |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2158 |
1905
425259977bc5
Don't use signed arithmatic in IFF ByteRun1 decoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1904
diff
changeset
|
2159 if (!dmf_read_byte(fp, &ucount)) |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2160 return FALSE; |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
2161 |
1905
425259977bc5
Don't use signed arithmatic in IFF ByteRun1 decoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1904
diff
changeset
|
2162 if (ucount == 0x80) |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2163 { |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
2164 if (!dmf_read_byte(fp, &data)) |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2165 return FALSE; |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2166 } |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2167 else |
1905
425259977bc5
Don't use signed arithmatic in IFF ByteRun1 decoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1904
diff
changeset
|
2168 if (ucount & 0x80) |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2169 { |
1905
425259977bc5
Don't use signed arithmatic in IFF ByteRun1 decoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1904
diff
changeset
|
2170 Uint8 count = (ucount ^ 0xff) + 2; |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
2171 if (!dmf_read_byte(fp, &data)) |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2172 return FALSE; |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2173 |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2174 while (count-- && offs < bufLen) |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2175 buf[offs++] = data; |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2176 } |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2177 else |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2178 { |
1905
425259977bc5
Don't use signed arithmatic in IFF ByteRun1 decoder.
Matti Hamalainen <ccr@tnsp.org>
parents:
1904
diff
changeset
|
2179 Uint8 count = ucount + 1; |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2180 while (count-- && offs < bufLen) |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2181 { |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
2182 if (!dmf_read_byte(fp, &data)) |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2183 return FALSE; |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2184 |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2185 buf[offs++] = data; |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2186 } |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2187 } |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2188 } while (offs < bufLen); |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2189 |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2190 return TRUE; |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2191 } |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2192 |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2193 |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
2194 static BOOL dmIFFReadOneRow(DMResource *fp, DMIFF *iff, Uint8 *buf, const size_t bufLen) |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2195 { |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2196 if (iff->bmhd.compression == IFF_COMP_BYTERUN1) |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2197 return dmIFFDecodeByteRun1Row(fp, buf, bufLen); |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2198 else |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
2199 return dmf_read_str(fp, buf, bufLen); |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2200 } |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2201 |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2202 |
1622 | 2203 static inline Uint8 dmDecodeBit(const Uint8 *buf, const int xc) |
1619
dacf4c2f7a86
Remove slight code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents:
1618
diff
changeset
|
2204 { |
dacf4c2f7a86
Remove slight code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents:
1618
diff
changeset
|
2205 return (buf[xc / 8] >> (7 - (xc & 7))) & 1; |
dacf4c2f7a86
Remove slight code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents:
1618
diff
changeset
|
2206 } |
dacf4c2f7a86
Remove slight code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents:
1618
diff
changeset
|
2207 |
dacf4c2f7a86
Remove slight code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents:
1618
diff
changeset
|
2208 |
1903 | 2209 static int dmDecodeIFFBody(DMResource *fp, DMIFF *iff, DMImage *img) |
444
7d588807f91d
Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
2210 { |
1903 | 2211 Uint8 *buf = NULL; |
2212 size_t bufLen = 0; | |
1618 | 2213 int res = DMERR_OK; |
1659 | 2214 const int nplanes = iff->bmhd.nplanes; |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
2215 |
2053
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2216 if (iff->idsig == IFF_ID_ILBM) |
1903 | 2217 { |
2218 bufLen = ((img->width + 15) / 16) * 2; | |
2384
36edd316184a
Fix some format strings to use proper PRI*_SIZE_T where necessary.
Matti Hamalainen <ccr@tnsp.org>
parents:
2371
diff
changeset
|
2219 dmMsg(2, "IFF: Line / plane row size %" DM_PRIu_SIZE_T " bytes.\n", |
36edd316184a
Fix some format strings to use proper PRI*_SIZE_T where necessary.
Matti Hamalainen <ccr@tnsp.org>
parents:
2371
diff
changeset
|
2220 bufLen); |
2053
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2221 |
1903 | 2222 } |
2053
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2223 else |
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2224 if (iff->idsig == IFF_ID_ACBM) |
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2225 { |
2082
a0a6f5a3fbbf
Fix plane buffer size calculation for IFF ACBM to round up to nearest byte (minimum of 1).
Matti Hamalainen <ccr@tnsp.org>
parents:
2081
diff
changeset
|
2226 bufLen = (img->width * img->height + 7) / 8; |
2384
36edd316184a
Fix some format strings to use proper PRI*_SIZE_T where necessary.
Matti Hamalainen <ccr@tnsp.org>
parents:
2371
diff
changeset
|
2227 dmMsg(2, "IFF: Plane buffer size %" DM_PRIu_SIZE_T " bytes.\n", |
36edd316184a
Fix some format strings to use proper PRI*_SIZE_T where necessary.
Matti Hamalainen <ccr@tnsp.org>
parents:
2371
diff
changeset
|
2228 bufLen); |
2053
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2229 } |
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2230 |
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2231 if (bufLen > 0 && (buf = dmMalloc(bufLen)) == NULL) |
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2232 return DMERR_MALLOC; |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
2233 |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2234 // Decode the chunk |
2053
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2235 if (iff->idsig == IFF_ID_ACBM) |
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2236 { |
2081
a14286e2710e
Initialize the destination image data in case of IFF ACBM loading.
Matti Hamalainen <ccr@tnsp.org>
parents:
2078
diff
changeset
|
2237 // Initialize destination image data |
a14286e2710e
Initialize the destination image data in case of IFF ACBM loading.
Matti Hamalainen <ccr@tnsp.org>
parents:
2078
diff
changeset
|
2238 dmMemset(img->data, 0, img->size); |
a14286e2710e
Initialize the destination image data in case of IFF ACBM loading.
Matti Hamalainen <ccr@tnsp.org>
parents:
2078
diff
changeset
|
2239 |
2053
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2240 for (int plane = 0; plane < nplanes; plane++) |
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2241 { |
2069 | 2242 // Decompress or read data |
2243 if (!dmIFFReadOneRow(fp, iff, buf, bufLen)) | |
2053
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2244 { |
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2245 res = dmError(DMERR_FREAD, |
2069 | 2246 "IFF: Error in reading ACBM image plane #%d.\n", |
2053
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2247 plane); |
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2248 goto out; |
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2249 } |
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2250 |
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2251 for (int yc = 0; yc < img->height; yc++) |
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2252 { |
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2253 Uint8 *dp = img->data + (yc * img->pitch); |
2067
430c010d97c1
Fix hardcoding in ACBM decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
2065
diff
changeset
|
2254 Uint8 *sp = buf + (yc * img->width) / 8; |
2053
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2255 for (int xc = 0; xc < img->width; xc++) |
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2256 { |
2067
430c010d97c1
Fix hardcoding in ACBM decoding.
Matti Hamalainen <ccr@tnsp.org>
parents:
2065
diff
changeset
|
2257 dp[xc] |= dmDecodeBit(sp, xc) << plane; |
2053
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2258 } |
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2259 } |
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2260 } |
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2261 } |
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2262 else |
1618 | 2263 for (int yc = 0; yc < img->height; yc++) |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2264 { |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2265 Uint8 *dp = img->data + (yc * img->pitch); |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2266 |
2053
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2267 if (iff->idsig == IFF_ID_ILBM) |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2268 { |
1907
571109a14967
Add some more informative messages in IFF loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1906
diff
changeset
|
2269 // Clear planar decoding buffer |
1903 | 2270 dmMemset(dp, 0, img->pitch); |
2271 | |
2272 for (int plane = 0; plane < nplanes; plane++) | |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2273 { |
1903 | 2274 // Decompress or read data |
2275 if (!dmIFFReadOneRow(fp, iff, buf, bufLen)) | |
2276 { | |
2277 res = dmError(DMERR_FREAD, | |
2069 | 2278 "IFF: Error in reading ILBM image plane #%d @ %d.\n", |
1903 | 2279 plane, yc); |
2280 goto out; | |
2281 } | |
2282 | |
2283 // Decode bitplane | |
2284 for (int xc = 0; xc < img->width; xc++) | |
2285 dp[xc] |= dmDecodeBit(buf, xc) << plane; | |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2286 } |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2287 |
1903 | 2288 // Read mask data |
2289 if (iff->bmhd.masking == IFF_MASK_HAS_MASK) | |
2290 { | |
2291 // Decompress or read data | |
2292 if (!dmIFFReadOneRow(fp, iff, buf, bufLen)) | |
2293 { | |
2294 res = dmError(DMERR_FREAD, | |
2069 | 2295 "IFF: Error in reading ILBM mask plane.\n"); |
1903 | 2296 goto out; |
2297 } | |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2298 |
1903 | 2299 // Decode mask |
2300 for (int xc = 0; xc < img->width; xc++) | |
2301 { | |
2302 const Uint8 data = dmDecodeBit(buf, xc); | |
2303 | |
2304 // Black out any pixels with mask bit 0 | |
2305 if (!data) | |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2306 dp[xc] = img->pal->ctransp < 0 ? 0 : img->pal->ctransp; |
1903 | 2307 } |
2308 } | |
2309 } | |
2310 else | |
2053
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2311 if (iff->idsig == IFF_ID_PBM) |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2312 { |
1903 | 2313 if (!dmIFFReadOneRow(fp, iff, dp, img->width)) |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2314 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2315 res = dmError(DMERR_FREAD, |
1903 | 2316 "IFF: Error reading PBM image row #%d.\n", yc); |
2317 goto out; | |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2318 } |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2319 } |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2320 } |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2321 |
1903 | 2322 out: |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2323 dmFree(buf); |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2324 return res; |
444
7d588807f91d
Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
2325 } |
7d588807f91d
Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
2326 |
7d588807f91d
Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
2327 |
1892
cbc911ffd21e
Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
1887
diff
changeset
|
2328 int dmReadIFFImage(DMResource *fp, DMImage **pimg) |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2329 { |
444
7d588807f91d
Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
2330 DMIFFChunk chunk; |
7d588807f91d
Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
2331 DMIFF iff; |
1903 | 2332 BOOL parsed = FALSE; |
1627 | 2333 int res = DMERR_OK; |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2334 |
1167 | 2335 dmMemset(&iff, 0, sizeof(iff)); |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2336 |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2337 // Read IFF FORM header |
1654
92656ad7f706
Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1641
diff
changeset
|
2338 if ((res = dmReadIFFChunkHdr(fp, &chunk)) != DMERR_OK) |
92656ad7f706
Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1641
diff
changeset
|
2339 return res; |
92656ad7f706
Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1641
diff
changeset
|
2340 |
92656ad7f706
Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1641
diff
changeset
|
2341 if (chunk.id != IFF_ID_FORM || chunk.size < 32) |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2342 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2343 return dmError(DMERR_NOT_SUPPORTED, |
1892
cbc911ffd21e
Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
1887
diff
changeset
|
2344 "IFF: Not a IFF file (%08X vs %08X / %d).\n", |
1265
4e074b9b4789
Improve IFF FORM validity error message.
Matti Hamalainen <ccr@tnsp.org>
parents:
1264
diff
changeset
|
2345 chunk.id, IFF_ID_FORM, chunk.size); |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2346 } |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
2347 |
1892
cbc911ffd21e
Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
1887
diff
changeset
|
2348 // Check IFF ILBM/PBM signature |
2053
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2349 if (!dmf_read_be32(fp, &iff.idsig) || |
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2350 (iff.idsig != IFF_ID_ILBM && |
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2351 iff.idsig != IFF_ID_PBM && |
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2352 iff.idsig != IFF_ID_ACBM)) |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2353 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2354 return dmError(DMERR_INVALID_DATA, |
2053
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2355 "IFF: Not a IFF ILBM/PBM/ACBM file.\n"); |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2356 } |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2357 |
2023
362fb8295f0c
Be more informative about the actual sub-format of the IFF image (PBM/ILBM).
Matti Hamalainen <ccr@tnsp.org>
parents:
2022
diff
changeset
|
2358 dmMsg(3, "IFF: FORM is %s format image, with size %d bytes.\n", |
2064
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2359 iff.idsig == IFF_ID_ILBM ? "ILBM" : |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2360 (iff.idsig == IFF_ID_PBM ? "PBM" : "ACBM"), |
2053
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2361 chunk.size); |
1907
571109a14967
Add some more informative messages in IFF loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1906
diff
changeset
|
2362 |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
2363 while (!parsed && !dmfeof(fp)) |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2364 { |
1895
eb03869a10d3
Clean up the IFF reader and make it more robust.
Matti Hamalainen <ccr@tnsp.org>
parents:
1894
diff
changeset
|
2365 // Read chunk header |
1654
92656ad7f706
Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1641
diff
changeset
|
2366 if ((res = dmReadIFFChunkHdr(fp, &chunk)) != DMERR_OK) |
92656ad7f706
Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1641
diff
changeset
|
2367 return res; |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
2368 |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2369 switch (chunk.id) |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2370 { |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2371 case IFF_ID_BMHD: |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2372 // Check for multiple occurences of BMHD |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2373 if ((res = dmCheckIFFChunk(&iff.chBMHD, &chunk, FALSE, sizeof(iff.bmhd))) != DMERR_OK) |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2374 return res; |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2375 |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2376 // Read BMHD data |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
2377 if (!dmf_read_be16(fp, &iff.bmhd.w) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
2378 !dmf_read_be16(fp, &iff.bmhd.h) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
2379 !dmf_read_be16(fp, (Uint16 *) &iff.bmhd.x) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
2380 !dmf_read_be16(fp, (Uint16 *) &iff.bmhd.y) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
2381 !dmf_read_byte(fp, &iff.bmhd.nplanes) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
2382 !dmf_read_byte(fp, &iff.bmhd.masking) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
2383 !dmf_read_byte(fp, &iff.bmhd.compression) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
2384 !dmf_read_byte(fp, &iff.bmhd.pad1) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
2385 !dmf_read_be16(fp, &iff.bmhd.transp) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
2386 !dmf_read_byte(fp, &iff.bmhd.xasp) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
2387 !dmf_read_byte(fp, &iff.bmhd.yasp) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
2388 !dmf_read_be16(fp, (Uint16 *) &iff.bmhd.pagew) || |
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
2389 !dmf_read_be16(fp, (Uint16 *) &iff.bmhd.pageh)) |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2390 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2391 return dmError(DMERR_FREAD, |
1892
cbc911ffd21e
Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
1887
diff
changeset
|
2392 "IFF: Error reading BMHD chunk.\n"); |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2393 } |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2394 |
1892
cbc911ffd21e
Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
1887
diff
changeset
|
2395 dmMsg(1, "IFF: BMHD %d x %d @ %d, %d : nplanes=%d, comp=%d, mask=%d, transp=%d\n", |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2396 iff.bmhd.w, iff.bmhd.h, iff.bmhd.x, iff.bmhd.y, |
1655 | 2397 iff.bmhd.nplanes, iff.bmhd.compression, iff.bmhd.masking, |
2398 iff.bmhd.transp); | |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
2399 |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2400 // Sanity check |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2401 if (iff.bmhd.nplanes < 1 || iff.bmhd.nplanes > 8 || |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2402 (iff.bmhd.compression != IFF_COMP_NONE && |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2403 iff.bmhd.compression != IFF_COMP_BYTERUN1) || |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2404 (iff.bmhd.masking != IFF_MASK_NONE && |
448
f1aab48a76fe
Add transp mask support to IFF ILBM loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
2405 iff.bmhd.masking != IFF_MASK_HAS_MASK && |
f1aab48a76fe
Add transp mask support to IFF ILBM loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
2406 iff.bmhd.masking != IFF_MASK_TRANSP)) |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2407 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2408 return dmError(DMERR_NOT_SUPPORTED, |
1892
cbc911ffd21e
Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
1887
diff
changeset
|
2409 "IFF: Unsupported features, refusing to load.\n"); |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2410 } |
2069 | 2411 |
2412 if (iff.idsig == IFF_ID_ACBM && | |
2413 iff.bmhd.compression != IFF_COMP_NONE) | |
2414 { | |
2415 dmMsg(1, "IFF: ACBM image with compression != none (%d). Ignoring.\n", | |
2416 iff.bmhd.compression); | |
2417 | |
2418 iff.bmhd.compression = IFF_COMP_NONE; | |
2419 } | |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2420 break; |
444
7d588807f91d
Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
2421 |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2422 |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2423 case IFF_ID_CMAP: |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2424 // Check for multiple occurences of CMAP |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2425 if ((res = dmCheckIFFChunk(&iff.chCMAP, &chunk, FALSE, 3)) != DMERR_OK) |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2426 return res; |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2427 |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2428 // Check for sanity |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2429 if (chunk.size % 3 != 0) |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2430 { |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2431 // Non-fatal |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2432 dmError(DMERR_INVALID_DATA, |
1892
cbc911ffd21e
Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
1887
diff
changeset
|
2433 "IFF: CMAP chunk size not divisible by 3, possibly broken file.\n"); |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2434 } |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2435 |
444
7d588807f91d
Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
2436 iff.ncolors = chunk.size / 3; |
1892
cbc911ffd21e
Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
1887
diff
changeset
|
2437 dmMsg(2, "IFF: CMAP %d entries (%d bytes)\n", |
1624
9a8395b56d1a
Remove unused message argument.
Matti Hamalainen <ccr@tnsp.org>
parents:
1623
diff
changeset
|
2438 iff.ncolors, chunk.size); |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2439 |
444
7d588807f91d
Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
2440 if (iff.bmhd.nplanes > 0 && iff.ncolors != 1 << iff.bmhd.nplanes) |
1892
cbc911ffd21e
Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
1887
diff
changeset
|
2441 dmMsg(2, "IFF: Expected %d entries in CMAP.\n", 1 << iff.bmhd.nplanes); |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
2442 |
451
fdc91f2a0d27
Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents:
449
diff
changeset
|
2443 // Read palette |
fdc91f2a0d27
Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents:
449
diff
changeset
|
2444 if (iff.ncolors > 0) |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2445 { |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2446 if ((res = dmPaletteAlloc(&iff.pal, iff.ncolors, |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2447 (iff.bmhd.masking == IFF_MASK_TRANSP) ? iff.bmhd.transp : -1)) != DMERR_OK) |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2448 { |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2449 dmErrorMsg("IFF: Could not allocate palette data.\n"); |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2450 return res; |
451
fdc91f2a0d27
Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents:
449
diff
changeset
|
2451 } |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2452 if ((res = dmPaletteReadData(fp, iff.pal, iff.ncolors)) != DMERR_OK) |
451
fdc91f2a0d27
Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents:
449
diff
changeset
|
2453 { |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2454 dmErrorMsg("IFF: Error reading CMAP.\n"); |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2455 return res; |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2456 } |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2457 } |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2458 |
444
7d588807f91d
Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
2459 if (iff.chBMHD.count && iff.chBODY.count) |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2460 parsed = TRUE; |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2461 break; |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
2462 |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2463 case IFF_ID_BODY: |
2053
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2464 case IFF_ID_ABIT: |
1621 | 2465 // Check for multiple occurences of BODY |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2466 if ((res = dmCheckIFFChunk(&iff.chBODY, &chunk, FALSE, 1)) != DMERR_OK) |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2467 return res; |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2468 |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2469 // Check for sanity |
444
7d588807f91d
Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
2470 if (!iff.chBMHD.count) |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2471 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2472 return dmError(DMERR_INVALID_DATA, |
2053
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2473 "IFF: %s chunk before BMHD?\n", chunk.idStr); |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2474 } |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2475 |
2053
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2476 dmMsg(2, "IFF: %s chunk size %d bytes\n", chunk.idStr, chunk.size); |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
2477 |
2257
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
2478 // Check image dimensions |
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
2479 if (iff.bmhd.w == 0 || iff.bmhd.h == 0) |
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
2480 { |
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
2481 return dmError(DMERR_INVALID_DATA, |
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
2482 "IFF: Invalid image dimensions.\n"); |
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
2483 } |
c7495fcaffa9
Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2220
diff
changeset
|
2484 |
1626
1793fc1496da
Remove some code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents:
1625
diff
changeset
|
2485 // Allocate image |
1793fc1496da
Remove some code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents:
1625
diff
changeset
|
2486 if ((*pimg = dmImageAlloc(iff.bmhd.w, iff.bmhd.h, |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
2487 iff.bmhd.nplanes <= 8 ? DM_PIXFMT_PALETTE : DM_PIXFMT_RGBA, |
1626
1793fc1496da
Remove some code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents:
1625
diff
changeset
|
2488 // XXX TODO? When/if we ever handle < 8bit indexed correctly, we can use the actual bpp |
1793fc1496da
Remove some code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents:
1625
diff
changeset
|
2489 //iff->bmhd.nplanes <= 8 ? iff->bmhd.nplanes : -1 |
1793fc1496da
Remove some code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents:
1625
diff
changeset
|
2490 -1 |
1793fc1496da
Remove some code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents:
1625
diff
changeset
|
2491 )) == NULL) |
1793fc1496da
Remove some code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents:
1625
diff
changeset
|
2492 return DMERR_MALLOC; |
1793fc1496da
Remove some code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents:
1625
diff
changeset
|
2493 |
1628
a549d33d543a
Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents:
1627
diff
changeset
|
2494 // Set image aspect ratio |
a549d33d543a
Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents:
1627
diff
changeset
|
2495 if (iff.bmhd.xasp > 0 && iff.bmhd.yasp > 0) |
a549d33d543a
Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents:
1627
diff
changeset
|
2496 (*pimg)->aspect = (float) iff.bmhd.yasp / (float) iff.bmhd.xasp; |
1626
1793fc1496da
Remove some code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents:
1625
diff
changeset
|
2497 |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2498 // Decode the body |
1903 | 2499 if ((res = dmDecodeIFFBody(fp, &iff, *pimg)) != DMERR_OK) |
2500 return res; | |
444
7d588807f91d
Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
2501 |
1895
eb03869a10d3
Clean up the IFF reader and make it more robust.
Matti Hamalainen <ccr@tnsp.org>
parents:
1894
diff
changeset
|
2502 if ((res = dmSkipIFFChunkRest(fp, &chunk)) != DMERR_OK) |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2503 return res; |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2504 |
444
7d588807f91d
Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
2505 if (iff.chCMAP.count) |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2506 parsed = TRUE; |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2507 break; |
449
117f94b253af
Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
448
diff
changeset
|
2508 |
117f94b253af
Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
448
diff
changeset
|
2509 case IFF_ID_CAMG: |
1609
c29adf5ce240
Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents:
1583
diff
changeset
|
2510 if (!dmf_read_be32(fp, &iff.camg)) |
449
117f94b253af
Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
448
diff
changeset
|
2511 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2512 return dmError(DMERR_FREAD, |
1892
cbc911ffd21e
Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
1887
diff
changeset
|
2513 "IFF: Error reading CAMG chunk.\n"); |
449
117f94b253af
Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
448
diff
changeset
|
2514 } |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
2515 |
1892
cbc911ffd21e
Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
1887
diff
changeset
|
2516 dmMsg(2, "IFF: CAMG value 0x%08x\n", iff.camg); |
449
117f94b253af
Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
448
diff
changeset
|
2517 |
117f94b253af
Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
448
diff
changeset
|
2518 if ((iff.camg & IFF_CAMG_HAM)) |
117f94b253af
Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
448
diff
changeset
|
2519 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2520 return dmError(DMERR_NOT_SUPPORTED, |
1892
cbc911ffd21e
Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
1887
diff
changeset
|
2521 "IFF: HAM files are not supported.\n"); |
449
117f94b253af
Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
448
diff
changeset
|
2522 } |
117f94b253af
Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
448
diff
changeset
|
2523 break; |
117f94b253af
Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
448
diff
changeset
|
2524 |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2525 |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2526 default: |
1901
636d3c8bcd35
Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1900
diff
changeset
|
2527 dmMsg(3, "Unknown chunk ID '%s', size %d\n", |
636d3c8bcd35
Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1900
diff
changeset
|
2528 chunk.idStr, chunk.size); |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
2529 |
1901
636d3c8bcd35
Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1900
diff
changeset
|
2530 if (dmfseek(fp, chunk.size, SEEK_CUR) != 0) |
636d3c8bcd35
Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1900
diff
changeset
|
2531 { |
636d3c8bcd35
Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1900
diff
changeset
|
2532 return dmError(DMERR_FSEEK, |
636d3c8bcd35
Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1900
diff
changeset
|
2533 "IFF: Error skipping in file."); |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2534 } |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2535 break; |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2536 } |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
2537 |
1895
eb03869a10d3
Clean up the IFF reader and make it more robust.
Matti Hamalainen <ccr@tnsp.org>
parents:
1894
diff
changeset
|
2538 if ((res = dmSkipIFFChunkRest(fp, &chunk)) != DMERR_OK) |
eb03869a10d3
Clean up the IFF reader and make it more robust.
Matti Hamalainen <ccr@tnsp.org>
parents:
1894
diff
changeset
|
2539 return res; |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2540 } |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2541 |
1948
5790b52c339e
Check that we have a CMAP/palette for IFF images that should have it.
Matti Hamalainen <ccr@tnsp.org>
parents:
1945
diff
changeset
|
2542 // Check if we should have a palette |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
2543 if (*pimg != NULL && (*pimg)->pixfmt == DM_PIXFMT_PALETTE) |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2544 { |
1948
5790b52c339e
Check that we have a CMAP/palette for IFF images that should have it.
Matti Hamalainen <ccr@tnsp.org>
parents:
1945
diff
changeset
|
2545 // Check that we DO have a palette .. |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2546 if (iff.pal == NULL || iff.pal->ncolors == 0) |
1948
5790b52c339e
Check that we have a CMAP/palette for IFF images that should have it.
Matti Hamalainen <ccr@tnsp.org>
parents:
1945
diff
changeset
|
2547 { |
5790b52c339e
Check that we have a CMAP/palette for IFF images that should have it.
Matti Hamalainen <ccr@tnsp.org>
parents:
1945
diff
changeset
|
2548 return dmError(DMERR_INVALID_DATA, |
5790b52c339e
Check that we have a CMAP/palette for IFF images that should have it.
Matti Hamalainen <ccr@tnsp.org>
parents:
1945
diff
changeset
|
2549 "IFF: A paletted/indexed color image with no CMAP. Bailing out.\n"); |
5790b52c339e
Check that we have a CMAP/palette for IFF images that should have it.
Matti Hamalainen <ccr@tnsp.org>
parents:
1945
diff
changeset
|
2550 } |
5790b52c339e
Check that we have a CMAP/palette for IFF images that should have it.
Matti Hamalainen <ccr@tnsp.org>
parents:
1945
diff
changeset
|
2551 |
449
117f94b253af
Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
448
diff
changeset
|
2552 // If halfbrite is used, duplicate the palette |
117f94b253af
Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
448
diff
changeset
|
2553 if (iff.camg & IFF_CAMG_HALFBRITE) |
117f94b253af
Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
448
diff
changeset
|
2554 { |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2555 int ncolors = iff.ncolors; |
2053
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2556 if (iff.idsig != IFF_ID_ILBM) |
1625
c8afa3e6c413
Print an error/warning about PBM files that have half-brite set.
Matti Hamalainen <ccr@tnsp.org>
parents:
1624
diff
changeset
|
2557 { |
1892
cbc911ffd21e
Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
1887
diff
changeset
|
2558 dmErrorMsg("IFF: Non-planar PBM file with Halfbrite enabled! This might not work.\n"); |
1625
c8afa3e6c413
Print an error/warning about PBM files that have half-brite set.
Matti Hamalainen <ccr@tnsp.org>
parents:
1624
diff
changeset
|
2559 } |
834 | 2560 |
449
117f94b253af
Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
448
diff
changeset
|
2561 if (iff.ncolors > 128) |
117f94b253af
Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
448
diff
changeset
|
2562 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
930
diff
changeset
|
2563 return dmError(DMERR_NOT_SUPPORTED, |
1892
cbc911ffd21e
Rename ILBM functions to IFF, which is more approriate as we support both ILBM and PBM variants of the IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
1887
diff
changeset
|
2564 "IFF: Halfbrite enabled, but ncolors > 128.\n"); |
449
117f94b253af
Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
448
diff
changeset
|
2565 } |
117f94b253af
Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
448
diff
changeset
|
2566 |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2567 if ((res = dmPaletteResize(&iff.pal, ncolors * 2)) != DMERR_OK) |
834 | 2568 { |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2569 dmPaletteFree(iff.pal); |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2570 return res; |
834 | 2571 } |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2572 |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2573 for (int i = 0; i < ncolors; i++) |
449
117f94b253af
Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
448
diff
changeset
|
2574 { |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2575 int i2 = ncolors + i; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2576 iff.pal->colors[i2].r = iff.pal->colors[i].r / 2; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2577 iff.pal->colors[i2].g = iff.pal->colors[i].g / 2; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2578 iff.pal->colors[i2].b = iff.pal->colors[i].b / 2; |
449
117f94b253af
Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
448
diff
changeset
|
2579 } |
117f94b253af
Add support for CAMG chunk reading and possibly half-brite handling in IFF ILBM reader.
Matti Hamalainen <ccr@tnsp.org>
parents:
448
diff
changeset
|
2580 } |
1102
e06abfde6c39
Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
958
diff
changeset
|
2581 |
447
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2582 (*pimg)->pal = iff.pal; |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2583 } |
0e27860ddcfe
Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents:
445
diff
changeset
|
2584 |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2585 return res; |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2586 } |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2587 |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
2588 |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2589 static int dmWriteIFFChunkHdr(DMResource *fp, DMIFFChunk *chunk, const Uint32 id) |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2590 { |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2591 chunk->offs = dmftell(fp); |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2592 chunk->id = id; |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2593 dmMakeIFFChunkIDStr(chunk); |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2594 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2595 if (!dmf_write_be32(fp, chunk->id) || |
1942
f171b929b631
Do not reference uninitialized value in IFF writer, although in this case
Matti Hamalainen <ccr@tnsp.org>
parents:
1940
diff
changeset
|
2596 !dmf_write_be32(fp, 0)) |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2597 { |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2598 return dmError(DMERR_FREAD, |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2599 "IFF: Could not write IFF '%s' chunk header.\n", |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2600 chunk->idStr); |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2601 } |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2602 else |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2603 return DMERR_OK; |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2604 } |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2605 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2606 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2607 static int dmWriteIFFChunkFinish(DMResource *fp, DMIFFChunk *chunk) |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2608 { |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2609 off_t curr = dmftell(fp); |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2610 if (curr < 0) |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2611 return dmferror(fp); |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2612 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2613 chunk->size = curr - chunk->offs - (sizeof(Uint32) * 2); |
1900 | 2614 if (chunk->size & 1) |
2615 { | |
2020 | 2616 dmMsg(3, "Padding chunk ID '%s', size %d ++\n", |
2617 chunk->idStr, chunk->size); | |
2618 | |
1900 | 2619 if (!dmf_write_byte(fp, 0)) |
2620 return dmferror(fp); | |
2621 | |
2020 | 2622 curr++; |
1900 | 2623 } |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2624 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2625 if (dmfseek(fp, chunk->offs, SEEK_SET) < 0) |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2626 return dmferror(fp); |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2627 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2628 if (!dmf_write_be32(fp, chunk->id) || |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2629 !dmf_write_be32(fp, chunk->size)) |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2630 { |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2631 return dmError(DMERR_FREAD, |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2632 "IFF: Could not write IFF '%s' chunk header.\n", |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2633 chunk->idStr); |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2634 } |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2635 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2636 if (dmfseek(fp, curr, SEEK_SET) < 0) |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2637 return dmferror(fp); |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2638 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2639 return DMERR_OK; |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2640 } |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2641 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2642 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2643 enum |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2644 { |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2645 DMODE_LIT, |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2646 DMODE_RLE, |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2647 }; |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2648 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2649 |
2055
6c6a4ea67540
Make two functions static and one not.
Matti Hamalainen <ccr@tnsp.org>
parents:
2054
diff
changeset
|
2650 static BOOL dmIFFEncodeByteRun1LIT(DMResource *fp, |
2050
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2651 const Uint8 *buf, const size_t offs, |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2652 const size_t count) |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2653 { |
2050
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2654 if (count <= 0) |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2655 return TRUE; |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2656 |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2657 Uint8 tmp = count - 1; |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2658 |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2659 return |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2660 dmf_write_byte(fp, tmp) && |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2661 dmf_write_str(fp, buf + offs, count); |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2662 } |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2663 |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2664 |
2055
6c6a4ea67540
Make two functions static and one not.
Matti Hamalainen <ccr@tnsp.org>
parents:
2054
diff
changeset
|
2665 static BOOL dmIFFEncodeByteRun1RLE(DMResource *fp, |
2050
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2666 const Uint8 *buf, const size_t offs, |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2667 const size_t count) |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2668 { |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2669 if (count <= 0) |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2670 return TRUE; |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2671 |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2672 Uint8 |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2673 tmp = ((Uint8) count - 2) ^ 0xff, |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2674 data = buf[offs]; |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2675 |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2676 return |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2677 dmf_write_byte(fp, tmp) && |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2678 dmf_write_byte(fp, data); |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2679 } |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2680 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2681 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2682 BOOL dmIFFEncodeByteRun1Row(DMResource *fp, const Uint8 *buf, const size_t bufLen) |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2683 { |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2684 int prev = -1, mode = DMODE_LIT; |
2050
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2685 size_t offs, l_offs, r_offs; |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2686 BOOL ret = TRUE; |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2687 |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2688 for (offs = l_offs = r_offs = 0; offs < bufLen; offs++) |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2689 { |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2690 Uint8 data = buf[offs]; |
2050
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2691 BOOL flush = FALSE; |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2692 int pmode = mode; |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2693 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2694 if (data == prev) |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2695 { |
2050
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2696 if (mode == DMODE_LIT && |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2697 offs - r_offs >= 2) |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2698 { |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2699 ret = dmIFFEncodeByteRun1LIT(fp, buf, l_offs, r_offs - l_offs); |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2700 mode = DMODE_RLE; |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2701 } |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2702 } |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2703 else |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2704 { |
2050
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2705 if (mode != DMODE_LIT) |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2706 { |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2707 ret = dmIFFEncodeByteRun1RLE(fp, buf, r_offs, offs - r_offs); |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2708 mode = DMODE_LIT; |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2709 l_offs = offs; |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2710 } |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2711 r_offs = offs; |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2712 } |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2713 |
2050
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2714 if (!ret) |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2715 goto out; |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2716 |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2717 // NOTE! RLE and LIT max are both 128, checked against DP2e |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2718 flush = |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2719 (pmode == DMODE_RLE && offs - r_offs >= 128) || |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2720 (pmode == DMODE_LIT && offs - l_offs >= 128); |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2721 |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2722 // Check for last byte of input |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2723 if (offs == bufLen - 1) |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2724 { |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2725 offs++; |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2726 flush = TRUE; |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2727 pmode = mode; |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2728 } |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2729 |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2730 if (flush) |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2731 { |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2732 if (pmode == DMODE_RLE) |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2733 ret = dmIFFEncodeByteRun1RLE(fp, buf, r_offs, offs - r_offs); |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2734 else |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2735 ret = dmIFFEncodeByteRun1LIT(fp, buf, l_offs, offs - l_offs); |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2736 |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2737 r_offs = l_offs = offs; |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2738 mode = DMODE_LIT; |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2739 |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2740 if (!ret) |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2741 goto out; |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2742 } |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2743 |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2744 prev = data; |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2745 } |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2746 |
2050
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2747 out: |
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2748 return ret; |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2749 } |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2750 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2751 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2752 static BOOL dmIFFWriteOneRow(DMResource *fp, DMIFF *iff, const Uint8 *buf, const size_t bufLen) |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2753 { |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2754 if (iff->bmhd.compression == IFF_COMP_BYTERUN1) |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2755 return dmIFFEncodeByteRun1Row(fp, buf, bufLen); |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2756 else |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2757 return dmf_write_str(fp, buf, bufLen); |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2758 } |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2759 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2760 |
2156
e6ec7fad9ce2
Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose.
Matti Hamalainen <ccr@tnsp.org>
parents:
2154
diff
changeset
|
2761 int dmWriteIFFImage(DMResource *fp, const DMImage *img, const DMImageWriteSpec *spec) |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2762 { |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2763 DMIFF iff; |
1904 | 2764 Uint8 *buf = NULL; |
2765 size_t bufLen; | |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2766 int res = DMERR_OK; |
2064
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2767 |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2768 // XXX: Non-paletted IFF not supported! |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
2769 if ((img->pixfmt != DM_PIXFMT_PALETTE && img->pixfmt != DM_PIXFMT_GRAYSCALE) || |
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
2770 (spec->pixfmt != DM_PIXFMT_PALETTE && spec->pixfmt != DM_PIXFMT_GRAYSCALE)) |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2771 { |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2772 return dmError(DMERR_NOT_SUPPORTED, |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2773 "Non-paletted IFF is not supported.\n"); |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2774 } |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2775 |
2065
451980580189
Refactor how paletted/indexed formats are handled in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
2064
diff
changeset
|
2776 switch (spec->fmtid) |
2064
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2777 { |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2778 case DM_IMGFMT_IFF_ILBM: iff.idsig = IFF_ID_ILBM; iff.idstr = "ILBM"; break; |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2779 case DM_IMGFMT_IFF_PBM : iff.idsig = IFF_ID_PBM; iff.idstr = "PBM"; break; |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2780 case DM_IMGFMT_IFF_ACBM: iff.idsig = IFF_ID_ACBM; iff.idstr = "ACBM"; break; |
2065
451980580189
Refactor how paletted/indexed formats are handled in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
2064
diff
changeset
|
2781 default: |
451980580189
Refactor how paletted/indexed formats are handled in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
2064
diff
changeset
|
2782 return dmError(DMERR_NOT_SUPPORTED, |
451980580189
Refactor how paletted/indexed formats are handled in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents:
2064
diff
changeset
|
2783 "Invalid IFF format.\n"); |
2064
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2784 } |
2026
b137d324e13f
Force 8 bitplanes for IFF PBM images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2025
diff
changeset
|
2785 |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2786 // Setup headers |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2787 iff.bmhd.x = 0; |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2788 iff.bmhd.y = 0; |
1904 | 2789 iff.bmhd.w = img->width * spec->scaleX; |
2790 iff.bmhd.h = img->height * spec->scaleY; | |
2791 iff.bmhd.pagew = img->width * spec->scaleX; | |
2792 iff.bmhd.pageh = img->height * spec->scaleY; | |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2793 iff.bmhd.pad1 = 0; |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2794 iff.bmhd.xasp = 1; // XXX TODO: compute the xasp/yasp from the img->aspect |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2795 iff.bmhd.yasp = 1; |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2796 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2797 iff.camg = 0; // XXX TODO: when/if HAM support |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2798 iff.bmhd.masking = (img->pal && img->pal->ctransp < 0) ? IFF_MASK_NONE : spec->mask; |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2799 iff.bmhd.transp = (img->pal && img->pal->ctransp >= 0 && spec->mask == IFF_MASK_TRANSP) ? img->pal->ctransp : 0xffff; |
2064
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2800 iff.bmhd.nplanes = (iff.idsig == IFF_ID_PBM && spec->nplanes < 8) ? 8 : spec->nplanes; |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2801 |
2069 | 2802 // Apparently ACBM can't/should not use compression .. even though |
2803 // some files in the wild have bmhd.compression != 0 (but are not | |
2804 // actually compressed.) To be more compliant with the spec, | |
2805 iff.bmhd.compression = (spec->compression && iff.idsig != IFF_ID_ACBM) ? IFF_COMP_BYTERUN1 : IFF_COMP_NONE; | |
2806 | |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2807 dmMsg(2, "IFF: nplanes=%d, comp=%d, mask=%d\n", |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2808 iff.bmhd.nplanes, iff.bmhd.compression, iff.bmhd.masking); |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2809 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2810 // Write IFF FORM header |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2811 if ((res = dmWriteIFFChunkHdr(fp, &iff.chFORM, IFF_ID_FORM)) != DMERR_OK) |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2812 goto out; |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2813 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2814 // Write IFF ILBM/PBM signature |
2053
6dfbe976d740
Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2050
diff
changeset
|
2815 if (!dmf_write_be32(fp, iff.idsig)) |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2816 { |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2817 res = dmError(DMERR_FWRITE, |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2818 "IFF: Error writing %s signature.\n", |
2064
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2819 iff.idstr); |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2820 goto out; |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2821 } |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2822 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2823 // Write BMHD chunk and data |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2824 if ((res = dmWriteIFFChunkHdr(fp, &iff.chBMHD, IFF_ID_BMHD)) != DMERR_OK || |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2825 !dmf_write_be16(fp, iff.bmhd.w) || |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2826 !dmf_write_be16(fp, iff.bmhd.h) || |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2827 !dmf_write_be16(fp, iff.bmhd.x) || |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2828 !dmf_write_be16(fp, iff.bmhd.y) || |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2829 !dmf_write_byte(fp, iff.bmhd.nplanes) || |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2830 !dmf_write_byte(fp, iff.bmhd.masking) || |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2831 !dmf_write_byte(fp, iff.bmhd.compression) || |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2832 !dmf_write_byte(fp, iff.bmhd.pad1) || |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2833 !dmf_write_be16(fp, iff.bmhd.transp) || |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2834 !dmf_write_byte(fp, iff.bmhd.xasp) || |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2835 !dmf_write_byte(fp, iff.bmhd.yasp) || |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2836 !dmf_write_be16(fp, iff.bmhd.pagew) || |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2837 !dmf_write_be16(fp, iff.bmhd.pageh)) |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2838 { |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2839 res = dmError(DMERR_FWRITE, |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2840 "IFF: Error writing BMHD chunk.\n"); |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2841 goto out; |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2842 } |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2843 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2844 if ((res = dmWriteIFFChunkFinish(fp, &iff.chBMHD)) != DMERR_OK) |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2845 goto out; |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2846 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2847 // |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2848 // CMAP |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2849 // |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
2850 if (spec->pixfmt == DM_PIXFMT_PALETTE && |
2153
7652b3fe8f30
Fix IFF and PCX checks for non-indexed images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2145
diff
changeset
|
2851 img->pal != NULL && |
7652b3fe8f30
Fix IFF and PCX checks for non-indexed images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2145
diff
changeset
|
2852 img->pal->ncolors > 0) |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2853 { |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2854 if ((res = dmWriteIFFChunkHdr(fp, &iff.chCMAP, IFF_ID_CMAP)) != DMERR_OK) |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2855 goto out; |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2856 |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2857 if ((res = dmPaletteWriteData(fp, img->pal, img->pal->ncolors, -1)) != DMERR_OK) |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2858 { |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2859 res = dmError(DMERR_FWRITE, |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2860 "IFF: Could not write CMAP palette.\n"); |
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2861 goto out; |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2862 } |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2863 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2864 if ((res = dmWriteIFFChunkFinish(fp, &iff.chCMAP)) != DMERR_OK) |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2865 goto out; |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2866 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2867 dmMsg(2, "IFF: CMAP %d entries (%d bytes)\n", |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2868 img->pal->ncolors, iff.chCMAP.size); |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2869 } |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2870 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2871 // |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2872 // CAMG |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2873 // |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2874 if ((res = dmWriteIFFChunkHdr(fp, &iff.chCMAP, IFF_ID_CAMG)) != DMERR_OK) |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2875 goto out; |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2876 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2877 if (!dmf_write_be32(fp, iff.camg)) |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2878 { |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2879 return dmError(DMERR_FREAD, |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2880 "IFF: Error writing CAMG chunk.\n"); |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2881 } |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2882 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2883 if ((res = dmWriteIFFChunkFinish(fp, &iff.chCMAP)) != DMERR_OK) |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2884 goto out; |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2885 |
2050
416af5a842ec
Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
2049
diff
changeset
|
2886 |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2887 // |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2888 // Encode the body |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2889 // |
2069 | 2890 if ((res = dmWriteIFFChunkHdr(fp, &iff.chBODY, |
2891 (iff.idsig == IFF_ID_ACBM) ? IFF_ID_ABIT : IFF_ID_BODY)) != DMERR_OK) | |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2892 goto out; |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2893 |
1904 | 2894 // Allocate encoding buffer |
2064
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2895 if (iff.idsig == IFF_ID_ILBM) |
2082
a0a6f5a3fbbf
Fix plane buffer size calculation for IFF ACBM to round up to nearest byte (minimum of 1).
Matti Hamalainen <ccr@tnsp.org>
parents:
2081
diff
changeset
|
2896 bufLen = ((img->width * spec->scaleX + 15) / 16) * 2; |
1904 | 2897 else |
2069 | 2898 if (iff.idsig == IFF_ID_ACBM) |
2082
a0a6f5a3fbbf
Fix plane buffer size calculation for IFF ACBM to round up to nearest byte (minimum of 1).
Matti Hamalainen <ccr@tnsp.org>
parents:
2081
diff
changeset
|
2899 bufLen = (img->width * spec->scaleX * img->height * spec->scaleY + 7) / 8; |
2069 | 2900 else |
1904 | 2901 bufLen = img->width * spec->scaleX; |
2902 | |
2384
36edd316184a
Fix some format strings to use proper PRI*_SIZE_T where necessary.
Matti Hamalainen <ccr@tnsp.org>
parents:
2371
diff
changeset
|
2903 dmMsg(2, "IFF: Line/plane row size %" DM_PRIu_SIZE_T " bytes.\n", |
36edd316184a
Fix some format strings to use proper PRI*_SIZE_T where necessary.
Matti Hamalainen <ccr@tnsp.org>
parents:
2371
diff
changeset
|
2904 bufLen); |
1904 | 2905 |
2906 if ((buf = dmMalloc(bufLen)) == NULL) | |
2907 return DMERR_MALLOC; | |
2908 | |
2909 // Encode the body | |
2069 | 2910 if (iff.idsig == IFF_ID_ACBM) |
2911 { | |
2912 for (int plane = 0; plane < iff.bmhd.nplanes; plane++) | |
2913 { | |
2914 // Encode bitplane | |
2915 dmMemset(buf, 0, bufLen); | |
2916 | |
2917 for (int yc = 0; yc < img->height * spec->scaleY; yc++) | |
2918 { | |
2919 Uint8 *sp = img->data + (yc * img->pitch); | |
2920 Uint8 *dp = buf + (yc * img->width * spec->scaleX) / 8; | |
2921 for (int xc = 0; xc < img->width * spec->scaleX; xc++) | |
2922 dp[xc / 8] |= ((sp[xc / spec->scaleX] >> plane) & 1) << (7 - (xc & 7)); | |
2923 } | |
2924 | |
2925 if (!dmIFFWriteOneRow(fp, &iff, buf, bufLen)) | |
2926 { | |
2927 res = dmError(DMERR_FWRITE, | |
2928 "IFF: Error writing ACBM image plane %d.\n", | |
2929 plane); | |
2930 goto out; | |
2931 } | |
2932 } | |
2933 } | |
2934 else | |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2935 { |
2064
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2936 for (int yc = 0; yc < img->height; yc++) |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2937 for (int yscale = 0; yscale < spec->scaleY; yscale++) |
1904 | 2938 { |
2064
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2939 const Uint8 *sp = img->data + (yc * img->pitch); |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2940 |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2941 if (iff.idsig == IFF_ID_ILBM) |
1904 | 2942 { |
2064
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2943 for (int plane = 0; plane < spec->nplanes; plane++) |
1904 | 2944 { |
2064
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2945 // Encode bitplane |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2946 dmMemset(buf, 0, bufLen); |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2947 |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2948 for (int xc = 0; xc < img->width * spec->scaleX; xc++) |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2949 buf[xc / 8] |= ((sp[xc / spec->scaleX] >> plane) & 1) << (7 - (xc & 7)); |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2950 |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2951 // Compress / write data |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2952 if (!dmIFFWriteOneRow(fp, &iff, buf, bufLen)) |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2953 { |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2954 res = dmError(DMERR_FWRITE, |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2955 "IFF: Error writing ILBM image plane #%d @ row %d.\n", |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2956 plane, yc); |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2957 goto out; |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2958 } |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2959 } |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2960 |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2961 // Write mask data, if any |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2962 if (iff.bmhd.masking == IFF_MASK_HAS_MASK) |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2963 { |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2964 dmMemset(buf, 0, bufLen); |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2965 |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2966 for (int xc = 0; xc < img->width * spec->scaleX; xc++) |
2094
4276b8c0fef0
Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents:
2093
diff
changeset
|
2967 buf[xc / 8] |= (sp[xc / spec->scaleX] == img->pal->ctransp) << (7 - (xc & 7)); |
2064
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2968 |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2969 if (!dmIFFWriteOneRow(fp, &iff, buf, bufLen)) |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2970 { |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2971 res = dmError(DMERR_FWRITE, |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2972 "IFF: Error writing ILBM mask plane %d.\n", yc); |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2973 goto out; |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2974 } |
1904 | 2975 } |
2976 } | |
2064
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2977 else |
1904 | 2978 { |
2979 for (int xc = 0; xc < img->width * spec->scaleX; xc++) | |
2064
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2980 buf[xc] = sp[xc / spec->scaleX]; |
1904 | 2981 |
2982 if (!dmIFFWriteOneRow(fp, &iff, buf, bufLen)) | |
2983 { | |
2984 res = dmError(DMERR_FWRITE, | |
2064
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
2985 "IFF: Error writing PBM image row #%d.\n", yc); |
1904 | 2986 goto out; |
2987 } | |
2988 } | |
2989 } | |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2990 } |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2991 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2992 if ((res = dmWriteIFFChunkFinish(fp, &iff.chBODY)) != DMERR_OK) |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2993 goto out; |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2994 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2995 // Finish the FORM chunk |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2996 if ((res = dmWriteIFFChunkFinish(fp, &iff.chFORM)) != DMERR_OK) |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2997 goto out; |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2998 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
2999 out: |
1904 | 3000 dmFree(buf); |
1896
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
3001 return res; |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
3002 } |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
3003 |
f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents:
1895
diff
changeset
|
3004 |
1613
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
3005 // |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
3006 // List of formats |
70b04c16aa40
Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
1609
diff
changeset
|
3007 // |
1616
36d073c45327
Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
1615
diff
changeset
|
3008 const DMImageFormat dmImageFormatList[] = |
435 | 3009 { |
1616
36d073c45327
Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
1615
diff
changeset
|
3010 #ifdef DM_USE_LIBPNG |
435 | 3011 { |
1616
36d073c45327
Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
1615
diff
changeset
|
3012 "png", "Portable Network Graphics", |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
3013 DM_IMGFMT_PNG, DM_FMT_RDWR | DM_PIXFMT_ANY, |
1886
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
3014 fmtProbePNG, dmReadPNGImage, dmWritePNGImage, |
1616
36d073c45327
Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
1615
diff
changeset
|
3015 }, |
435 | 3016 #endif |
3017 { | |
1616
36d073c45327
Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
1615
diff
changeset
|
3018 "ppm", "Portable PixMap", |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
3019 DM_IMGFMT_PPM, DM_FMT_RDWR | DM_PIXFMT_GRAYSCALE | DM_PIXFMT_RGB, |
2092
614b161c0aa5
Initial support for reading PPM/PGM.
Matti Hamalainen <ccr@tnsp.org>
parents:
2091
diff
changeset
|
3020 fmtProbePPM, dmReadPPMImage, dmWritePPMImage, |
435 | 3021 }, |
3022 { | |
1616
36d073c45327
Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
1615
diff
changeset
|
3023 "pcx", "Z-Soft Paintbrush", |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
3024 DM_IMGFMT_PCX, DM_FMT_RDWR | DM_PIXFMT_PALETTE | DM_PIXFMT_RGB, |
1886
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
3025 fmtProbePCX, dmReadPCXImage, dmWritePCXImage, |
435 | 3026 }, |
3027 { | |
2071 | 3028 "ilbm", "IFF ILBM (interleaved/old DP2)", |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
3029 DM_IMGFMT_IFF_ILBM, DM_FMT_RDWR | DM_PIXFMT_PALETTE, |
2068 | 3030 fmtProbeIFF_ILBM, dmReadIFFImage, dmWriteIFFImage, |
2064
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
3031 }, |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
3032 { |
3617ef01c1de
Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
2063
diff
changeset
|
3033 "pbm", "IFF PBM (DP2e)", |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
3034 DM_IMGFMT_IFF_PBM, DM_FMT_RDWR | DM_PIXFMT_PALETTE, |
2068 | 3035 fmtProbeIFF_PBM, dmReadIFFImage, dmWriteIFFImage, |
3036 }, | |
3037 { | |
3038 "acbm", "IFF ACBM (Amiga Basic)", | |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
3039 DM_IMGFMT_IFF_ACBM, DM_FMT_RDWR | DM_PIXFMT_PALETTE, |
2068 | 3040 fmtProbeIFF_ACBM, dmReadIFFImage, dmWriteIFFImage, |
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
3041 }, |
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
442
diff
changeset
|
3042 { |
1616
36d073c45327
Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
1615
diff
changeset
|
3043 "raw", "Plain bitplaned (planar or non-planar) RAW", |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
3044 DM_IMGFMT_RAW, DM_FMT_WR | DM_PIXFMT_PALETTE, |
1886
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
3045 NULL, NULL, dmWriteRAWImage, |
566
d400e32b62d9
Add a slightly different raw output format.
Matti Hamalainen <ccr@tnsp.org>
parents:
487
diff
changeset
|
3046 }, |
d400e32b62d9
Add a slightly different raw output format.
Matti Hamalainen <ccr@tnsp.org>
parents:
487
diff
changeset
|
3047 { |
1616
36d073c45327
Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
1615
diff
changeset
|
3048 "araw", "IFFMaster Amiga RAW", |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
3049 DM_IMGFMT_ARAW, DM_FMT_WR | DM_PIXFMT_PALETTE, |
1886
1af79412f249
Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents:
1881
diff
changeset
|
3050 NULL, NULL, dmWriteRAWImage, |
2047
3829c292df02
Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents:
2026
diff
changeset
|
3051 }, |
3829c292df02
Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents:
2026
diff
changeset
|
3052 { |
2057
02fa60b27af5
Correct description of 'cdump' format.
Matti Hamalainen <ccr@tnsp.org>
parents:
2055
diff
changeset
|
3053 "cdump", "'C' dump (image data only)", |
2157
9a9493809b3a
Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents:
2156
diff
changeset
|
3054 DM_IMGFMT_CDUMP, DM_FMT_WR | DM_PIXFMT_ANY, |
2047
3829c292df02
Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents:
2026
diff
changeset
|
3055 NULL, NULL, dmWriteCDumpImage, |
435 | 3056 } |
3057 }; | |
3058 | |
1616
36d073c45327
Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
1615
diff
changeset
|
3059 const int ndmImageFormatList = sizeof(dmImageFormatList) / sizeof(dmImageFormatList[0]); |
435 | 3060 |
1616
36d073c45327
Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
1615
diff
changeset
|
3061 |
36d073c45327
Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
1615
diff
changeset
|
3062 int dmImageProbeGeneric(const Uint8 *buf, const size_t len, const DMImageFormat **pfmt, int *index) |
435 | 3063 { |
1616
36d073c45327
Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
1615
diff
changeset
|
3064 int scoreMax = DM_PROBE_SCORE_FALSE, scoreIndex = -1; |
435 | 3065 |
1616
36d073c45327
Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
1615
diff
changeset
|
3066 for (int i = 0; i < ndmImageFormatList; i++) |
435 | 3067 { |
1616
36d073c45327
Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
1615
diff
changeset
|
3068 const DMImageFormat *fmt = &dmImageFormatList[i]; |
442
a67600e186d0
Fix probing to handle NULL probe functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
440
diff
changeset
|
3069 if (fmt->probe != NULL) |
435 | 3070 { |
442
a67600e186d0
Fix probing to handle NULL probe functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
440
diff
changeset
|
3071 int score = fmt->probe(buf, len); |
a67600e186d0
Fix probing to handle NULL probe functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
440
diff
changeset
|
3072 if (score > scoreMax) |
a67600e186d0
Fix probing to handle NULL probe functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
440
diff
changeset
|
3073 { |
a67600e186d0
Fix probing to handle NULL probe functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
440
diff
changeset
|
3074 scoreMax = score; |
a67600e186d0
Fix probing to handle NULL probe functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
440
diff
changeset
|
3075 scoreIndex = i; |
a67600e186d0
Fix probing to handle NULL probe functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
440
diff
changeset
|
3076 } |
435 | 3077 } |
3078 } | |
3079 | |
3080 if (scoreIndex >= 0) | |
3081 { | |
3082 *pfmt = &dmImageFormatList[scoreIndex]; | |
3083 *index = scoreIndex; | |
3084 return scoreMax; | |
3085 } | |
3086 else | |
3087 return DM_PROBE_SCORE_FALSE; | |
3088 } | |
2207
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
3089 |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
3090 |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
3091 // |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
3092 // List of formats |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
3093 // |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
3094 const DMPaletteFormat dmPaletteFormatList[] = |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
3095 { |
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
3096 { |
2209
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
3097 "act", "Adobe Color Table palette", |
2207
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
changeset
|
3098 DM_PALFMT_ACT, DM_FMT_RDWR, |
2209
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
3099 fmtProbeACTPalette, dmReadACTPalette, dmWriteACTPalette, |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
3100 }, |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
3101 { |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
3102 "rpl", "RAW binary palette (RGB, 768 bytes)", |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
3103 DM_PALFMT_RAW, DM_FMT_RDWR, |
7a0af15fbe97
Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents:
2208
diff
changeset
|
3104 fmtProbeRAWPalette, dmReadRAWPalette, dmWriteRAWPalette, |
2207
1ea48084055e
Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents:
2202
diff
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3105 }, |
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3106 }; |
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3107 |
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3108 const int ndmPaletteFormatList = sizeof(dmPaletteFormatList) / sizeof(dmPaletteFormatList[0]); |
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3109 |
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3110 |
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3111 int dmPaletteProbeGeneric(const Uint8 *buf, const size_t len, const DMPaletteFormat **pfmt, int *index) |
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3112 { |
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3113 int scoreMax = DM_PROBE_SCORE_FALSE, scoreIndex = -1; |
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3114 |
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3115 for (int i = 0; i < ndmPaletteFormatList; i++) |
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3116 { |
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3117 const DMPaletteFormat *fmt = &dmPaletteFormatList[i]; |
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3118 if (fmt->probe != NULL) |
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3119 { |
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3120 int score = fmt->probe(buf, len); |
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3121 if (score > scoreMax) |
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3122 { |
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3123 scoreMax = score; |
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3124 scoreIndex = i; |
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3125 } |
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3126 } |
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3127 } |
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3128 |
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3129 if (scoreIndex >= 0) |
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3130 { |
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3131 *pfmt = &dmPaletteFormatList[scoreIndex]; |
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3132 *index = scoreIndex; |
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3133 return scoreMax; |
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3134 } |
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3135 else |
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3136 return DM_PROBE_SCORE_FALSE; |
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3137 } |