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annotate tools/libgfx.c @ 2310:75216bf67fd2

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Bump copyright.
author Matti Hamalainen <ccr@tnsp.org>
date Tue, 09 Jul 2019 10:27:40 +0300
parents c7495fcaffa9
children 659c5f3d2e12
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1 /*
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2 * Functions for reading and converting various graphics file formats
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3 * Programmed and designed by Matti 'ccr' Hamalainen
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4 * (C) Copyright 2012-2019 Tecnic Software productions (TNSP)
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5 *
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6 * Please read file 'COPYING' for information on license and distribution.
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7 */
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8 #include "libgfx.h"
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9
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10 #ifdef DM_USE_LIBPNG
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11 #include <png.h>
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12 #endif
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13
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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
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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)
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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
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122 int dmImageGetBytesPerPixel(const int format)
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123 {
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124 switch (format)
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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;
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130 default : return -1;
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131 }
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132 }
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133
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134
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135 int dmImageGetBitsPerPixel(const int format)
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136 {
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137 return dmImageGetBytesPerPixel(format) * 8;
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138 }
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139
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140
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141 DMImage * dmImageAlloc(const int width, const int height, const int format, const int bpp)
435
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142 {
928
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143 DMImage *img = dmMalloc0(sizeof(DMImage));
435
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144 if (img == NULL)
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145 return NULL;
1102
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146
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147 img->width = width;
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148 img->height = height;
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9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
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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;
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154
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155 if ((img->data = dmMalloc(img->size)) == NULL)
435
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156 {
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157 dmFree(img);
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158 return NULL;
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159 }
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160
435
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161 return img;
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162 }
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163
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parents:
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164
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165 void dmImageFree(DMImage *img)
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166 {
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167 if (img != NULL)
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168 {
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169 if (!img->constpal)
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170 dmPaletteFree(img->pal);
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171
435
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172 dmFree(img->data);
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173 dmFree(img);
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parents:
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174 }
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parents:
diff changeset
175 }
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parents:
diff changeset
176
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parents:
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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;
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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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diff changeset
192
460
0af039b6c0ae Improve transparent color handling.
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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
0af039b6c0ae Improve transparent color handling.
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parents: 453
diff changeset
199
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parents: 453
diff changeset
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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diff changeset
202 {
2094
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diff changeset
203 pal->colors[i].a = (i == pal->ctransp) ? 0x00 : 0xff;
460
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diff changeset
204 }
0af039b6c0ae Improve transparent color handling.
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parents: 453
diff changeset
205
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206 *ppal = pal;
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diff changeset
207
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208 return DMERR_OK;
451
fdc91f2a0d27 Modularize palette reading and handling code.
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diff changeset
209 }
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diff changeset
210
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diff changeset
211
2094
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diff changeset
212 int dmPaletteResize(DMPalette **ppal, const int ncolors)
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213 {
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diff changeset
214 DMPalette *pal;
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diff changeset
215
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diff changeset
216 if (ppal == NULL)
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diff changeset
217 return DMERR_NULLPTR;
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diff changeset
218
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219 if (ncolors <= 0 || ncolors > 256)
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diff changeset
220 return DMERR_INVALID_ARGS;
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diff changeset
221
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diff changeset
222 if (*ppal == NULL)
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223 return dmPaletteAlloc(ppal, ncolors, -1);
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diff changeset
224
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diff changeset
225 pal = *ppal;
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diff changeset
226
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diff changeset
227 if (pal->ncolors == ncolors)
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diff changeset
228 return DMERR_OK;
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diff changeset
229
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diff changeset
230 if ((pal->colors = dmRealloc(pal->colors, sizeof(DMColor) * ncolors)) == NULL)
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diff changeset
231 return DMERR_MALLOC;
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diff changeset
232
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diff changeset
233 if (ncolors - pal->ncolors > 0)
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diff changeset
234 memset(&(pal->colors[pal->ncolors]), 0, sizeof(DMColor) * (ncolors - pal->ncolors));
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diff changeset
235
2208
90ec1ec89c56 Revamp the palette handling in lib64gfx somewhat, add helper functions to
Matti Hamalainen <ccr@tnsp.org>
parents: 2207
diff changeset
236 pal->ncolors = ncolors;
90ec1ec89c56 Revamp the palette handling in lib64gfx somewhat, add helper functions to
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parents: 2207
diff changeset
237
2094
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238 return DMERR_OK;
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diff changeset
239 }
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parents: 2093
diff changeset
240
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parents: 2093
diff changeset
241
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diff changeset
242 int dmPaletteCopy(DMPalette **pdst, const DMPalette *src)
451
fdc91f2a0d27 Modularize palette reading and handling code.
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diff changeset
243 {
2094
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244 DMPalette *pal;
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diff changeset
245 if (pdst == NULL)
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246 return DMERR_NULLPTR;
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diff changeset
247
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diff changeset
248 *pdst = NULL;
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diff changeset
249
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diff changeset
250 // Allocate palette struct
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diff changeset
251 if ((pal = dmMalloc(sizeof(DMPalette))) == NULL)
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diff changeset
252 return DMERR_MALLOC;
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diff changeset
253
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diff changeset
254 memcpy(pal, src, sizeof(DMPalette));
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diff changeset
255
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diff changeset
256 // Allocate desired amount of palette
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diff changeset
257 if ((pal->colors = dmCalloc(pal->ncolors, sizeof(DMColor))) == NULL)
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diff changeset
258 {
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diff changeset
259 dmFree(pal);
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diff changeset
260 return DMERR_MALLOC;
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diff changeset
261 }
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parents: 2093
diff changeset
262
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diff changeset
263 memcpy(pal->colors, src->colors, sizeof(DMColor) * pal->ncolors);
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diff changeset
264 *pdst = pal;
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diff changeset
265
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diff changeset
266 return DMERR_OK;
451
fdc91f2a0d27 Modularize palette reading and handling code.
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parents: 449
diff changeset
267 }
fdc91f2a0d27 Modularize palette reading and handling code.
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parents: 449
diff changeset
268
fdc91f2a0d27 Modularize palette reading and handling code.
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parents: 449
diff changeset
269
2094
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diff changeset
270 void dmPaletteFree(DMPalette *pal)
451
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
271 {
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
272 if (pal != NULL)
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
273 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
274 dmFree(pal->colors);
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
275 dmFree(pal);
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
276 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
277 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
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
455a3849b8ac Comments and cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 2157
diff changeset
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 {
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
282 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
283 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
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
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
292
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
293 pal->colors[i].r = colR;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
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
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
298 return DMERR_OK;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
299 }
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
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
455a3849b8ac Comments and cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 2157
diff changeset
302 static int dmPaletteWriteData(DMResource *fp, const DMPalette *pal,
455a3849b8ac Comments and cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 2157
diff changeset
303 const int ncolors, const int npad)
2094
4276b8c0fef0 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>
parents: 2093
diff changeset
305 int i;
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
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: 2093
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
3b3acb6b4ba0 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 2086
diff changeset
438 int dmWriteImageData(const DMImage *img, void *cbdata,
3b3acb6b4ba0 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 2086
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
441 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
442 int x, y, yscale, xscale, res = 0, rowSize, rowWidth;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
443 Uint8 *row = NULL;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
444
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
448
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
449 if ((row = dmMalloc(rowSize + 16)) == NULL)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
450 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
451 res = DMERR_MALLOC;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
452 goto done;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
453 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
454
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
455 // Generate the image
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
456 for (y = 0; y < img->height; y++)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
457 {
436
86f956e4580f Cosmetics, rename a variable.
Matti Hamalainen <ccr@tnsp.org>
parents: 435
diff changeset
458 Uint8 *ptr1 = row,
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
459 *ptr2 = ptr1 + rowWidth,
1291
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
460 *ptr3 = ptr2 + rowWidth,
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
461 *ptr4 = ptr3 + rowWidth;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
464 {
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
465 for (x = 0; x < img->width; x++)
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
466 {
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
467 Uint8 c = img->data[(y * img->pitch) + (x * img->bpp) / 8];
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
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
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
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
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
473 for (xscale = 0; xscale < spec->scaleX; xscale++)
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
474 *ptr1++ = c;
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
475 break;
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
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
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
478 if (spec->planar)
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
479 {
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
480 for (xscale = 0; xscale < spec->scaleX; xscale++)
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
481 {
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
482 *ptr1++ = c;
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
483 *ptr2++ = c;
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
484 *ptr3++ = c;
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
485 *ptr4++ = 0xff;
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
486 }
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
487 }
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
488 else
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
489 {
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
490 for (xscale = 0; xscale < spec->scaleX; xscale++)
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
491 {
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
492 *ptr1++ = c;
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
493 *ptr1++ = c;
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
494 *ptr1++ = c;
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
495 *ptr1++ = 0xff;
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
496 }
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
497 }
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
498 break;
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
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
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
501 if (spec->planar)
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
502 {
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
503 for (xscale = 0; xscale < spec->scaleX; xscale++)
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
504 {
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
505 *ptr1++ = c;
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
506 *ptr2++ = c;
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
507 *ptr3++ = c;
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
508 }
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
509 }
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
510 else
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
511 {
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
512 for (xscale = 0; xscale < spec->scaleX; xscale++)
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
513 {
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
514 *ptr1++ = c;
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
515 *ptr1++ = c;
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
516 *ptr1++ = c;
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
517 }
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
518 }
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
519 break;
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
520
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
521 default:
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
522 res = DMERR_NOT_SUPPORTED;
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
523 goto done;
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
524 }
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
525 }
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
526 }
e38705223ce4 Support grayscale output.
Matti Hamalainen <ccr@tnsp.org>
parents: 2096
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
618 if (spec->planar)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
619 {
1291
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
620 for (xscale = 0; xscale < spec->scaleX; xscale++)
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
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
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
626 }
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
627 }
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
628 else
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
629 {
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
630 for (xscale = 0; xscale < spec->scaleX; xscale++)
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
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
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
636 }
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
637 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
638 break;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
641 if (spec->planar)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
642 {
1291
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
643 for (xscale = 0; xscale < spec->scaleX; xscale++)
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
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
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
648 }
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
649 }
1291
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
650 else
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
651 {
1291
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
652 for (xscale = 0; xscale < spec->scaleX; xscale++)
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
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
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
657 }
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
658 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
664 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
665 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
670 goto done;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
671 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
672 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
673
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
674 done:
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
675 dmFree(row);
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
676 return res;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
677 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
678
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
761 {
1622
009a3e3c54bf Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1621
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
768
1291
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
769 if (spec->planar)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
770 {
1339
65f8fd1bf76e Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1309
diff changeset
771 // Output bitplanes in planar format
65f8fd1bf76e Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1309
diff changeset
772 // (each plane of line sequentially)
1622
009a3e3c54bf Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1621
diff changeset
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
009a3e3c54bf Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1621
diff changeset
775 for (int plane = 0; plane < spec->nplanes; plane++)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
779 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
780 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
781 else
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
782 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
783 // Output each bitplane in sequence
1622
009a3e3c54bf Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1621
diff changeset
784 for (int plane = 0; plane < spec->nplanes; plane++)
009a3e3c54bf Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1621
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
790 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
794 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e03f20d0f785 Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 1300
diff changeset
866 static int dmWritePPMRow(void *cbdata, const Uint8 *row, const size_t len)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
872 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
873
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
6c8b19d1d196 More work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1287
diff changeset
909
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
923 // Write image data
1288
6c8b19d1d196 More work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1287
diff changeset
924 return dmWriteImageData(img, (void *) fp, dmWritePPMRow, &tmpSpec);
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
925 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
926
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e03f20d0f785 Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 1300
diff changeset
1064 static int dmWritePNGRow(void *cbdata, const Uint8 *row, const size_t len)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1065 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1066 png_structp png_ptr = cbdata;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1067 (void) len;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1068
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1071
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1072 png_write_row(png_ptr, row);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1075 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1076
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1094 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1095 png_structp png_ptr = NULL;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1107 // Create PNG structures
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1108 png_ptr = png_create_write_struct(
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1109 PNG_LIBPNG_VER_STRING,
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1110 NULL, NULL, NULL);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1111
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1112 if (png_ptr == NULL)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1116 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1117 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1118
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1119 info_ptr = png_create_info_struct(png_ptr);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1120 if (info_ptr == NULL)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1125 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1126 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1127
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1128 if (setjmp(png_jmpbuf(png_ptr)))
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1132 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1133 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1137
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1149 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
3b3acb6b4ba0 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 2086
diff changeset
1157 8, // bits per component: TODO: FIXME: calculate and use
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1158 fmt,
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1159 PNG_INTERLACE_NONE,
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1160 PNG_COMPRESSION_TYPE_DEFAULT,
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1161 PNG_FILTER_TYPE_DEFAULT);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1172
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1173 if (palette == NULL)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1177 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1178 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1179
1167
848a88ce7a57 Use dmMemset().
Matti Hamalainen <ccr@tnsp.org>
parents: 1152
diff changeset
1180 dmMemset(palette, 0, PNG_MAX_PALETTE_LENGTH * sizeof(png_color));
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1187 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1191 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1192
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1193 // png_set_gAMA(png_ptr, info_ptr, 2.2);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1194
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1195 png_write_info(png_ptr, info_ptr);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1196
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1197
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1198 // Write compressed image data
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1199 dmWriteImageData(img, (void *) png_ptr, dmWritePNGRow, spec);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1200
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1201 // Write footer
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1202 png_write_end(png_ptr, NULL);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1203
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1204 error:
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1205 if (png_ptr && info_ptr)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1206 png_destroy_write_struct(&png_ptr, &info_ptr);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1207
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1208 return res;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1209 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1210
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
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
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1260 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
1261
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1262 // Read image information
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1263 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
1264
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1265 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
1266 &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
1267
2257
c7495fcaffa9 Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2220
diff changeset
1268 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
1269 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
1270
453
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1271 if (width < 1 || height < 1)
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1272 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1273 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
1274 "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
1275 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1276 }
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 switch (color_type)
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1279 {
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1280 case PNG_COLOR_TYPE_GRAY:
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1281 if (bit_depth > 8)
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1282 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1283 res = dmError(DMERR_NOT_SUPPORTED,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1284 "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
1285 bit_depth);
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1286 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1287 }
2093
d17512dbb4ef Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2092
diff changeset
1288
d17512dbb4ef Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2092
diff changeset
1289 if (bit_depth < 8)
d17512dbb4ef Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2092
diff changeset
1290 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
1291
2157
9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents: 2156
diff changeset
1292 itype = DM_PIXFMT_GRAYSCALE;
453
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1293 break;
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1294
453
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1295 case PNG_COLOR_TYPE_PALETTE:
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1296 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
1297 itype = DM_PIXFMT_PALETTE;
2093
d17512dbb4ef Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2092
diff changeset
1298 break;
d17512dbb4ef Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2092
diff changeset
1299
d17512dbb4ef Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2092
diff changeset
1300 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
1301 itype = DM_PIXFMT_RGB;
2093
d17512dbb4ef Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2092
diff changeset
1302 break;
d17512dbb4ef Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2092
diff changeset
1303
d17512dbb4ef Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2092
diff changeset
1304 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
1305 itype = DM_PIXFMT_RGBA;
453
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1306 break;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1307
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1308 default:
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1309 res = dmError(DMERR_NOT_SUPPORTED,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1310 "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
1311 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1312 }
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 // Allocate image
1287
32051ad352c8 Adjust debug messages and debug message levels in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1286
diff changeset
1315 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
1316 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
1317
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
1318 if ((*pimg = img = dmImageAlloc(width, height,
2093
d17512dbb4ef Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2092
diff changeset
1319 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
1320 // 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
1321 -1 /* bit_depth */)) == NULL)
453
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1322 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1323 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1324 "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
1325 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1326 }
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1327
1628
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
1328 // Set image aspect ratio
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
1329 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
1330
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
1331 if (res_x > 0 && res_y > 0 &&
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
1332 res_y / res_x != (unsigned) (img->height / img->width))
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
1333 img->aspect = (float) res_y / (float) res_x;
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
1334
453
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1335 // ...
1938
a8e475eede4a Fix two memory leaks in the PNG writer/reader of libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1921
diff changeset
1336 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
1337 goto error;
a8e475eede4a Fix two memory leaks in the PNG writer/reader of libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1921
diff changeset
1338
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
1339 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
1340 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
1341
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1342 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
1343
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1344 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
1345 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
1346
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1347 // Create palette
2093
d17512dbb4ef Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2092
diff changeset
1348 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
1349 {
2093
d17512dbb4ef Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2092
diff changeset
1350 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
1351 if (ncolors > 0 && palette != NULL)
d17512dbb4ef Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2092
diff changeset
1352 {
d17512dbb4ef Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2092
diff changeset
1353 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
1354
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
1355 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
1356 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
1357
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
1358 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
1359 {
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
1360 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
1361 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
1362 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
1363 }
2093
d17512dbb4ef Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2092
diff changeset
1364 }
d17512dbb4ef Some work on reading >8bpp images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2092
diff changeset
1365
460
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
1366 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
1367 if (trans != NULL && ntrans > 0)
460
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
1368 {
2091
3b3acb6b4ba0 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 2086
diff changeset
1369 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
1370 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
1371 {
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
1372 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
1373 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
1374 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
1375 }
460
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
1376 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1377 }
460
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
1378
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
1379 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
1380
453
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1381 error:
1939
bc00373e5a90 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1938
diff changeset
1382 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
1383 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
1384
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1385 return res;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
1386 }
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1387 #endif
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1388
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1389
1613
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1390 //
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1391 // Z-Soft PCX format
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1392 //
2207
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
1393 #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
1394
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1395 typedef struct
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1396 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1397 Uint8 r,g,b;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1398 } DMPCXColor;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1399
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1400
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1401 typedef struct
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1402 {
2091
3b3acb6b4ba0 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 2086
diff changeset
1403 Uint8
3b3acb6b4ba0 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 2086
diff changeset
1404 manufacturer, // always 0x0a
3b3acb6b4ba0 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 2086
diff changeset
1405 version, // Z-Soft PC Paintbrush version:
1288
6c8b19d1d196 More work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1287
diff changeset
1406 // 0 = v2.5
6c8b19d1d196 More work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1287
diff changeset
1407 // 2 = v2.8 with palette,
6c8b19d1d196 More work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1287
diff changeset
1408 // 3 = v2.8 without palette
6c8b19d1d196 More work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1287
diff changeset
1409 // 4 = PC Paintbrush for Windows
6c8b19d1d196 More work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1287
diff changeset
1410 // 5 = v3.0 or better
2091
3b3acb6b4ba0 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 2086
diff changeset
1411 encoding, // usually 0x01 = RLE, 0x00 = uncompressed
3b3acb6b4ba0 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 2086
diff changeset
1412 bitsPerPlane; // bits per pixel per plane
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1413
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1414 Uint16 xmin, ymin, xmax, ymax;
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1415 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
1416 DMPCXColor colorMap[PCX_PAL_COLORS];
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1417 Uint8 reserved; // should be set to 0
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1418 Uint8 nplanes; // number of planes
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1419 Uint16 bpl; // bytes per plane LINE
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1420 Uint16 palInfo; // 1 = color/BW, 2 = grayscale
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1421 Uint16 hScreenSize, vScreenSize;
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1422 Uint8 filler[54];
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1423 } DMPCXHeader;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1424
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1425
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1426 typedef struct
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1427 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1428 DMPCXHeader *header;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1429 Uint8 *buf;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1430 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
1431 DMResource *fp;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1432 } DMPCXData;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1433
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1434
1613
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1435 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
1436 {
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1437 if (len > 128 + 32 &&
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1438 (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
1439 buf[2] == 1 &&
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1440 (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
1441 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
1442 return DM_PROBE_SCORE_GOOD;
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1443
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1444 return DM_PROBE_SCORE_FALSE;
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1445 }
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
1298
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
1448 // Returns one byte from row buffer (of length len) at offset soffs,
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
1449 // OR zero if the offset is outside buffer.
1301
e03f20d0f785 Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 1300
diff changeset
1450 static inline Uint8 dmPCXGetByte(const Uint8 *row, const size_t len, const size_t soffs)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1451 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1452 return (soffs < len) ? row[soffs] : 0;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1453 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1454
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1455 static BOOL dmPCXFlush(DMPCXData *pcx)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1456 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1457 BOOL ret = TRUE;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1458 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
1459 ret = dmf_write_str(pcx->fp, pcx->buf, pcx->bufOffs);
1297
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1460
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1461 pcx->bufOffs = 0;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1462 return ret;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1463 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1464
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1465 static inline BOOL dmPCXPutByte(DMPCXData *pcx, const Uint8 val)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1466 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1467 if (pcx->bufOffs < pcx->bufLen)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1468 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1469 pcx->buf[pcx->bufOffs++] = val;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1470 return TRUE;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1471 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1472 else
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1473 return dmPCXFlush(pcx);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1474 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1475
1297
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1476
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1477 static int dmPCXPutData(DMPCXData *pcx, const Uint8 data, const int count)
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1478 {
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1479 if (count == 1 && (data & 0xC0) != 0xC0)
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1480 {
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1481 if (!dmPCXPutByte(pcx, data))
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1482 return DMERR_FWRITE;
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1483 }
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1484 else
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1485 {
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1486 if (!dmPCXPutByte(pcx, 0xC0 | count) ||
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1487 !dmPCXPutByte(pcx, data))
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1488 return DMERR_FWRITE;
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1489 }
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1490 return DMERR_OK;
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1491 }
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1492
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1493
1301
e03f20d0f785 Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 1300
diff changeset
1494 static int dmWritePCXRow(void *cbdata, const Uint8 *row, const size_t len)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1495 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1496 DMPCXData *pcx = (DMPCXData *) cbdata;
1297
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1497 int err;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1498 size_t soffs = 0;
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1499
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1500 pcx->bufOffs = 0;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1501
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1502 for (int plane = 0; plane < pcx->header->nplanes; plane++)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1503 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1504 Uint8 data = dmPCXGetByte(row, len, soffs++),
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1505 count = 1;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1506
1297
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1507 size_t blen = pcx->header->bpl * pcx->header->nplanes;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1508 while (soffs < blen)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1509 {
1297
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1510 if (data == dmPCXGetByte(row, len, soffs) && count < 0x3F)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1511 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1512 count++;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1513 soffs++;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1514 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1515 else
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1516 {
1297
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1517 if ((err = dmPCXPutData(pcx, data, count)) != DMERR_OK)
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1518 return err;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1519
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1520 data = dmPCXGetByte(row, len, soffs++);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1521 count = 1;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1522 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1523 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1524
1297
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1525 if ((err = dmPCXPutData(pcx, data, count)) != DMERR_OK)
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1526 return err;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1527
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1528 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
1529 return DMERR_FWRITE;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1530 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1531
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
1532 return DMERR_OK;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1533 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1534
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1535
2156
e6ec7fad9ce2 Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose.
Matti Hamalainen <ccr@tnsp.org>
parents: 2154
diff changeset
1536 int dmWritePCXImage(DMResource *fp, const DMImage *img, const DMImageWriteSpec *pspec)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1537 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1538 DMPCXData pcx;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1539 DMPCXHeader hdr;
2156
e6ec7fad9ce2 Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose.
Matti Hamalainen <ccr@tnsp.org>
parents: 2154
diff changeset
1540 DMImageWriteSpec spec;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1541 int res;
1302
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents: 1301
diff changeset
1542
1303
be30466fbc47 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1302
diff changeset
1543 // 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
1544 memcpy(&spec, pspec, sizeof(DMImageWriteSpec));
1302
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents: 1301
diff changeset
1545 spec.planar = TRUE;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1546
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
1547 // 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
1548 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
1549 (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
1550 {
45e7688336dc Fix checks for NULL palette in index/palette images. Also improve error
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
1551 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
1552 "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
1553 }
45e7688336dc Fix checks for NULL palette in index/palette images. Also improve error
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
1554
2157
9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents: 2156
diff changeset
1555 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
1556 {
45e7688336dc Fix checks for NULL palette in index/palette images. Also improve error
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
1557 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
1558 "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
1559 }
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
1560
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1561 // Create output file
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1562 pcx.buf = NULL;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1563 pcx.header = &hdr;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1564 pcx.fp = fp;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1565
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1566 // Create PCX header
1167
848a88ce7a57 Use dmMemset().
Matti Hamalainen <ccr@tnsp.org>
parents: 1152
diff changeset
1567 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
1568 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
1569 spec.pixfmt == DM_PIXFMT_GRAYSCALE)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1570 {
2207
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
1571 const int ncolors = img->pal->ncolors > PCX_PAL_COLORS ? PCX_PAL_COLORS : img->pal->ncolors;
2016
7114ea4c3c42 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1948
diff changeset
1572 for (int i = 0; i < ncolors; i++)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1573 {
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
1574 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
1575 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
1576 hdr.colorMap[i].b = img->pal->colors[i].b;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1577 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1578 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1579 hdr.manufacturer = 10;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1580 hdr.version = 5;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1581 hdr.encoding = 1;
1302
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents: 1301
diff changeset
1582 hdr.hres = img->width * spec.scaleX;
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents: 1301
diff changeset
1583 hdr.vres = img->height * spec.scaleY;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1584 hdr.xmin = hdr.ymin = 0;
1302
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents: 1301
diff changeset
1585 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
1586 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
1587 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
1588 hdr.vScreenSize = hdr.vres;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1589
2220
a8b4e9c9f337 Set PCX header palette information correctly for grayscale data images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2219
diff changeset
1590 switch (spec.pixfmt)
a8b4e9c9f337 Set PCX header palette information correctly for grayscale data images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2219
diff changeset
1591 {
a8b4e9c9f337 Set PCX header palette information correctly for grayscale data images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2219
diff changeset
1592 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
1593 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
1594 }
a8b4e9c9f337 Set PCX header palette information correctly for grayscale data images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2219
diff changeset
1595
1291
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1596 // TODO XXX .. maybe actually compute these asdf
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1597 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
1598 hdr.nplanes = dmImageGetBytesPerPixel(spec.pixfmt);
1291
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1599
2219
8cd2a821e8a0 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 2212
diff changeset
1600 // Compute bytes per line
1302
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents: 1301
diff changeset
1601 res = img->width * spec.scaleX;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1602 hdr.bpl = res / 2;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1603 if (res % 2) hdr.bpl++;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1604 hdr.bpl *= 2;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1605
1297
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1606 dmMsg(2,
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1607 "PCX: xmin=%d, ymin=%d, xmax=%d, ymax=%d, res=%dx%d, scr=%dx%d\n",
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1608 hdr.xmin, hdr.ymin, hdr.xmax, hdr.ymax,
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1609 hdr.hres, hdr.vres,
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1610 hdr.hScreenSize, hdr.vScreenSize);
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1611
2065
451980580189 Refactor how paletted/indexed formats are handled in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 2064
diff changeset
1612 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
1613 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
1614 spec.pixfmt,
1302
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents: 1301
diff changeset
1615 spec.planar ? "yes" : "no"
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents: 1301
diff changeset
1616 );
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1617
1291
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1618 // TODO XXX this is also bogus
2219
8cd2a821e8a0 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 2212
diff changeset
1619 pcx.bufLen = hdr.bpl * 4;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1620 if ((pcx.buf = dmMalloc(pcx.bufLen)) == NULL)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1621 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1622 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1623 "PCX: Could not allocate %d bytes for RLE compression buffer.\n",
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1624 pcx.bufLen);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1625 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1626 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1627
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1628 // 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
1629 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
1630 !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
1631 !dmf_write_byte(pcx.fp, hdr.encoding) ||
2219
8cd2a821e8a0 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 2212
diff changeset
1632 !dmf_write_byte(pcx.fp, hdr.bitsPerPlane) ||
8cd2a821e8a0 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 2212
diff changeset
1633 !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
1634 !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
1635 !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
1636 !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
1637 !dmf_write_le16(pcx.fp, hdr.hres) ||
2219
8cd2a821e8a0 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 2212
diff changeset
1638 !dmf_write_le16(pcx.fp, hdr.vres) ||
8cd2a821e8a0 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 2212
diff changeset
1639 !dmf_write_str(pcx.fp, (Uint8 *) &hdr.colorMap, sizeof(hdr.colorMap)) ||
8cd2a821e8a0 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 2212
diff changeset
1640 !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
1641 !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
1642 !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
1643 !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
1644 !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
1645 !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
1646 !dmf_write_str(pcx.fp, (Uint8 *) &hdr.filler, sizeof(hdr.filler)))
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1647 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1648 res = dmError(DMERR_FWRITE,
2219
8cd2a821e8a0 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 2212
diff changeset
1649 "PCX: Could not write header data.\n");
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1650 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1651 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1652
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1653 // Write image data
1302
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents: 1301
diff changeset
1654 res = dmWriteImageData(img, (void *) &pcx, dmWritePCXRow, &spec);
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1655
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1656 // 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
1657 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
1658 spec.pixfmt == DM_PIXFMT_GRAYSCALE)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1659 {
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
1660 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
1661
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1662 dmf_write_byte(pcx.fp, 0x0C);
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1663
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
1664 if ((res = dmPaletteWriteData(fp, img->pal, img->pal->ncolors, 256)) != DMERR_OK)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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 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
1667 "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
1668 goto error;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1669 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1670 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1671
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1672 error:
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1673 dmFree(pcx.buf);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1674 return res;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1675 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1676
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1677
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1678 static BOOL dmPCXDecodeRLERow(DMResource *fp, Uint8 *buf, const size_t bufLen)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1679 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1680 size_t offs = 0;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1681 do
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1682 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1683 int count;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1684 Uint8 data;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1685
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1686 if (!dmf_read_byte(fp, &data))
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1687 return FALSE;
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1688
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1689 if ((data & 0xC0) == 0xC0)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1690 {
1284
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1691 BOOL skip = FALSE;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1692 count = data & 0x3F;
1284
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1693 if (count == 0)
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1694 {
1285
e4bda4909d72 Make libgfx error mode a global variable, at least for now.
Matti Hamalainen <ccr@tnsp.org>
parents: 1284
diff changeset
1695 switch (dmGFXErrorMode)
1284
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1696 {
1285
e4bda4909d72 Make libgfx error mode a global variable, at least for now.
Matti Hamalainen <ccr@tnsp.org>
parents: 1284
diff changeset
1697 case DM_ERRMODE_RECOV_1:
1284
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1698 // Use as literal
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1699 skip = TRUE;
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1700 count = 1;
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1701 break;
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1702
1285
e4bda4909d72 Make libgfx error mode a global variable, at least for now.
Matti Hamalainen <ccr@tnsp.org>
parents: 1284
diff changeset
1703 case DM_ERRMODE_RECOV_2:
1284
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1704 // Ignore completely
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1705 skip = TRUE;
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1706 break;
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1707
1285
e4bda4909d72 Make libgfx error mode a global variable, at least for now.
Matti Hamalainen <ccr@tnsp.org>
parents: 1284
diff changeset
1708 case DM_ERRMODE_FAIL:
1284
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1709 default:
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1710 // Error out on "invalid" data
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1711 return FALSE;
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1712 }
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1713 }
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1714
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1715 if (!skip && !dmf_read_byte(fp, &data))
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1716 return FALSE;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1717 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1718 else
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1719 count = 1;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1720
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1721 while (count-- && offs < bufLen)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1722 buf[offs++] = data;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1723
1284
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1724 // 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
1725 if (count > 0 && dmGFXErrorMode == DM_ERRMODE_FAIL)
1284
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1726 return FALSE;
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1727
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1728 } while (offs < bufLen);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1729
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1730 return TRUE;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1731 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1732
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1733
1886
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
1734 int dmReadPCXImage(DMResource *fp, DMImage **pimg)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1735 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1736 DMImage *img;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1737 DMPCXData pcx;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1738 DMPCXHeader hdr;
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1739 int res = 0;
1286
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1740 BOOL isPaletted;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1741 pcx.buf = NULL;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1742
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1743 // 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
1744 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
1745 !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
1746 !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
1747 !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
1748 !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
1749 !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
1750 !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
1751 !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
1752 !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
1753 !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
1754 !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
1755 !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
1756 !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
1757 !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
1758 !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
1759 !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
1760 !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
1761 !dmf_read_str(fp, (Uint8 *) &hdr.filler, sizeof(hdr.filler)))
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1762 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1763 res = dmError(DMERR_FREAD,
1298
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
1764 "PCX: Could not read image header data.\n");
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
1765 goto error;
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
1766 }
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
1767
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
1768 if (hdr.manufacturer != 10 ||
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
1769 hdr.version > 5 ||
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
1770 hdr.encoding != 1)
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
1771 {
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
1772 res = dmError(DMERR_NOT_SUPPORTED,
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
1773 "PCX: Not a PCX file, or unsupported variant.\n");
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1774 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1775 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1776
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
1777 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
1778 {
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 dmMsg(2,
2078
b2f1ce24f81b Be more informative when attempting to figure out broken PCX file.
Matti Hamalainen <ccr@tnsp.org>
parents: 2071
diff changeset
1780 "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
1781 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
1782
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
1783 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
1784 }
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
1295
7a986f33895e Fix isPaletted check in PCX reader :P
Matti Hamalainen <ccr@tnsp.org>
parents: 1294
diff changeset
1786 isPaletted = (hdr.bitsPerPlane * hdr.nplanes) <= 8;
1291
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1787
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1788 dmMsg(2,
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1789 "PCX: xmin=%d, ymin=%d, xmax=%d, ymax=%d, res=%dx%d, scr=%dx%d\n",
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1790 hdr.xmin, hdr.ymin, hdr.xmax, hdr.ymax,
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1791 hdr.hres, hdr.vres,
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1792 hdr.hScreenSize, hdr.vScreenSize);
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1793
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1794 dmMsg(2,
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1795 "PCX: nplanes=%d, bpp=%d, bpl=%d, isPaletted=%s\n",
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1796 hdr.nplanes, hdr.bitsPerPlane, hdr.bpl, isPaletted ? "yes" : "no");
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1797
2257
c7495fcaffa9 Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2220
diff changeset
1798 // Check image dimensions
c7495fcaffa9 Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2220
diff changeset
1799 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
1800 {
c7495fcaffa9 Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2220
diff changeset
1801 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
1802 "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
1803 goto error;
c7495fcaffa9 Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2220
diff changeset
1804 }
c7495fcaffa9 Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2220
diff changeset
1805
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1806 if (hdr.nplanes < 1 || hdr.nplanes > 8)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1807 {
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1808 res = dmError(DMERR_NOT_SUPPORTED,
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1809 "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
1810 hdr.nplanes);
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1811 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1812 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1813
1286
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1814 if (!isPaletted)
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1815 {
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1816 res = dmError(DMERR_NOT_SUPPORTED,
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1817 "PCX: Non-indexed (truecolour) PCX images not supported for loading.\n");
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1818 goto error;
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1819 }
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1820
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1821 // Allocate image
1286
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1822 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
1823 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
1824 // 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
1825 // 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
1826 -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
1827 )) == NULL)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1828 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1829 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1830 "PCX: Could not allocate image structure.\n");
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1831 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1832 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1833
1628
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
1834 // Set image aspect ratio
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
1835 if (hdr.hScreenSize > 0 && hdr.vScreenSize > 0 &&
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
1836 hdr.vScreenSize / hdr.hScreenSize != img->height / img->width)
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
1837 img->aspect = (float) hdr.vScreenSize / (float) hdr.hScreenSize;
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
1838
1298
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
1839 // Sanity check bytes per line value
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1840 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
1841 {
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1842 res = dmError(DMERR_MALLOC,
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1843 "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
1844 hdr.bpl, (img->width * hdr.bitsPerPlane) / 8);
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1845 goto error;
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1846 }
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1847
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1848 pcx.bufLen = hdr.nplanes * hdr.bpl;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1849 if ((pcx.buf = dmMalloc(pcx.bufLen)) == NULL)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1850 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1851 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1852 "PCX: Could not allocate RLE buffer.\n");
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1853 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1854 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1855
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
1856 dmMsg(2,
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
1857 "PCX: bufLen=%d\n",
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 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
1859
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1860 // Read image data
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1861 Uint8 *dp = img->data;
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1862 for (int yc = 0; yc < img->height; yc++)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1863 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1864 // 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
1865 if (!dmPCXDecodeRLERow(fp, pcx.buf, pcx.bufLen))
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1866 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1867 res = dmError(DMERR_INVALID_DATA,
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1868 "PCX: Error decoding RLE compressed data.\n");
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1869 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1870 }
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1871
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1872 // Decode bitplanes
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1873 switch (hdr.bitsPerPlane)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1874 {
1296
228cab109c6a More work on PCX reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1295
diff changeset
1875 case 24:
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1876 case 8:
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1877 {
1286
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1878 // Actually bytes and bits per plane per pixel ..
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1879 const int bytesPerPlane = hdr.bitsPerPlane / 8;
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1880
1286
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1881 for (int nplane = 0; nplane < hdr.nplanes; nplane++)
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1882 {
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1883 Uint8 *dptr = dp + (nplane * bytesPerPlane),
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1884 *sptr = pcx.buf + (hdr.bpl * nplane);
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1885
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1886 memcpy(dptr, sptr, img->width * bytesPerPlane);
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1887 }
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1888 }
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1889 break;
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1890
1280
300a51e98fc3 Bump version and copyright.
Matti Hamalainen <ccr@tnsp.org>
parents: 1279
diff changeset
1891 case 1:
1814
0b7062d874ef Use dmMemset() instead of memset().
Matti Hamalainen <ccr@tnsp.org>
parents: 1810
diff changeset
1892 dmMemset(dp, 0, img->width);
1296
228cab109c6a More work on PCX reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1295
diff changeset
1893
1280
300a51e98fc3 Bump version and copyright.
Matti Hamalainen <ccr@tnsp.org>
parents: 1279
diff changeset
1894 for (int nplane = 0; nplane < hdr.nplanes; nplane++)
300a51e98fc3 Bump version and copyright.
Matti Hamalainen <ccr@tnsp.org>
parents: 1279
diff changeset
1895 {
1296
228cab109c6a More work on PCX reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1295
diff changeset
1896 Uint8 *sptr = pcx.buf + (hdr.bpl * nplane);
1280
300a51e98fc3 Bump version and copyright.
Matti Hamalainen <ccr@tnsp.org>
parents: 1279
diff changeset
1897
300a51e98fc3 Bump version and copyright.
Matti Hamalainen <ccr@tnsp.org>
parents: 1279
diff changeset
1898 for (int xc = 0; xc < img->width; xc++)
1296
228cab109c6a More work on PCX reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1295
diff changeset
1899 {
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
1900 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
1901 dp[xc] |= ((sptr[xc / 8] & (1 << px)) >> px) << nplane;
1296
228cab109c6a More work on PCX reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1295
diff changeset
1902 }
1280
300a51e98fc3 Bump version and copyright.
Matti Hamalainen <ccr@tnsp.org>
parents: 1279
diff changeset
1903 }
300a51e98fc3 Bump version and copyright.
Matti Hamalainen <ccr@tnsp.org>
parents: 1279
diff changeset
1904 break;
300a51e98fc3 Bump version and copyright.
Matti Hamalainen <ccr@tnsp.org>
parents: 1279
diff changeset
1905
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1906 default:
1285
e4bda4909d72 Make libgfx error mode a global variable, at least for now.
Matti Hamalainen <ccr@tnsp.org>
parents: 1284
diff changeset
1907 res = dmError(DMERR_NOT_SUPPORTED,
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1908 "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
1909 hdr.bitsPerPlane);
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1910 goto error;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1911 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1912
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1913 dp += img->pitch;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1914 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1915
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1916 // Read additional VGA palette, if available
1286
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1917 if (isPaletted)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1918 {
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1919 int ncolors;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1920 Uint8 tmpb;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1921 BOOL read;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1922
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1923 if (!dmf_read_byte(fp, &tmpb) || tmpb != 0x0C)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1924 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1925 read = FALSE;
2207
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
1926 ncolors = PCX_PAL_COLORS;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1927 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1928 else
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1929 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1930 read = TRUE;
451
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
1931 ncolors = 256;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1932 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1933
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
1934 if ((res = dmPaletteAlloc(&(img->pal), ncolors, -1)) != DMERR_OK)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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 res = dmError(res,
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1937 "PCX: Could not allocate palette data!\n");
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1938 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1939 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1940
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1941 if (read)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1942 {
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1943 // Okay, attempt to read the palette data
1296
228cab109c6a More work on PCX reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1295
diff changeset
1944 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
1945 if ((res = dmPaletteReadData(fp, img->pal, ncolors)) != DMERR_OK)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1946 {
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
1947 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
1948 goto error;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1949 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1950 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1951 else
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1952 {
2207
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
1953 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
1954
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1955 // 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
1956 // 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
1957 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
1958
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
1959 for (int i = 0; i < nmax; i++)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1960 {
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
1961 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
1962 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
1963 img->pal->colors[i].b = hdr.colorMap[i].b;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1964 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1965 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1966 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1967
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1968 error:
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1969 dmFree(pcx.buf);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1970 return res;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1971 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1972
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1973
1613
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1974 //
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1975 // IFF ILBM / PBM format
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1976 //
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1977 #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
1978 #define IFF_ID_ILBM 0x494C424D // "ILBM"
464
358776103ceb Add support for IFF PBMs.
Matti Hamalainen <ccr@tnsp.org>
parents: 462
diff changeset
1979 #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
1980 #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
1981 #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
1982 #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
1983 #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
1984 #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
1985 #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
1986
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1987 #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
1988 #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
1989 #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
1990 #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
1991
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1992 #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
1993 #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
1994
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
1995 #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
1996 #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
1997 #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
1998
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1999 typedef struct
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 Uint32 id;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2002 Uint32 size;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2003 int count;
1656
2de258f2eb2e Get rid of a basically redundant function in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1655
diff changeset
2004 char idStr[6];
1895
eb03869a10d3 Clean up the IFF reader and make it more robust.
Matti Hamalainen <ccr@tnsp.org>
parents: 1894
diff changeset
2005 off_t offs;
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2006 } DMIFFChunk;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2007
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2008
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2009 typedef struct
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 Uint16 w, h;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2012 Sint16 x, y;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2013 Uint8 nplanes;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2014 Uint8 masking;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2015 Uint8 compression;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2016 Uint8 pad1;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2017 Uint16 transp;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2018 Uint8 xasp, yasp;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2019 Sint16 pagew, pageh;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2020 } DMIFFBMHD;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2021
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2022
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
2023 typedef struct
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
2024 {
1810
c9197a038e8e Various cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1808
diff changeset
2025 DMIFFChunk chFORM, chBMHD, chCMAP, chBODY;
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
2026 DMIFFBMHD bmhd;
1810
c9197a038e8e Various cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1808
diff changeset
2027 Uint32 camg;
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
2028 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
2029 DMPalette *pal;
2053
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2030 Uint32 idsig;
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2031 char *idstr;
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
2032 } DMIFF;
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
2033
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
2034
2068
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2035 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
2036 {
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
2037 if (len > 32 &&
2068
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2038 DM_BE32_TO_NATIVE(*(Uint32 *) (buf + 0)) == IFF_ID_FORM &&
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2039 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
2040 {
2063
bd109c0a7b88 Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2057
diff changeset
2041 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
2042 return DM_PROBE_SCORE_MAX;
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
2043 else
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
2044 return DM_PROBE_SCORE_GOOD;
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
2045 }
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
2046
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
2047 return DM_PROBE_SCORE_FALSE;
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
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
2050
2068
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2051 static int fmtProbeIFF_ILBM(const Uint8 *buf, const size_t len)
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2052 {
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2053 return fmtProbeIFF(buf, len, IFF_ID_ILBM);
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2054 }
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2055
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2056
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2057 static int fmtProbeIFF_PBM(const Uint8 *buf, const size_t len)
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2058 {
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2059 return fmtProbeIFF(buf, len, IFF_ID_PBM);
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2060 }
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2061
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2062
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2063 static int fmtProbeIFF_ACBM(const Uint8 *buf, const size_t len)
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2064 {
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2065 return fmtProbeIFF(buf, len, IFF_ID_ACBM);
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2066 }
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2067
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2068
1657
2b6dbdd602b5 Split IFF chunk id string from id creation into separate function.
Matti Hamalainen <ccr@tnsp.org>
parents: 1656
diff changeset
2069 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
2070 {
2b6dbdd602b5 Split IFF chunk id string from id creation into separate function.
Matti Hamalainen <ccr@tnsp.org>
parents: 1656
diff changeset
2071 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
2072 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
2073 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
2074 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
2075 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
2076 }
2b6dbdd602b5 Split IFF chunk id string from id creation into separate function.
Matti Hamalainen <ccr@tnsp.org>
parents: 1656
diff changeset
2077
2b6dbdd602b5 Split IFF chunk id string from id creation into separate function.
Matti Hamalainen <ccr@tnsp.org>
parents: 1656
diff changeset
2078
1654
92656ad7f706 Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1641
diff changeset
2079 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
2080 {
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
2081 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
2082 !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
2083 {
1654
92656ad7f706 Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1641
diff changeset
2084 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
2085 "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
2086 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2087 else
1656
2de258f2eb2e Get rid of a basically redundant function in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1655
diff changeset
2088 {
1895
eb03869a10d3 Clean up the IFF reader and make it more robust.
Matti Hamalainen <ccr@tnsp.org>
parents: 1894
diff changeset
2089 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
2090 dmMakeIFFChunkIDStr(chunk);
1654
92656ad7f706 Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1641
diff changeset
2091 return DMERR_OK;
1656
2de258f2eb2e Get rid of a basically redundant function in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1655
diff changeset
2092 }
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2093 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2094
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2095
1895
eb03869a10d3 Clean up the IFF reader and make it more robust.
Matti Hamalainen <ccr@tnsp.org>
parents: 1894
diff changeset
2096 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
2097 {
1901
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
2098 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
2099 size = chunk->size;
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
2100
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
2101 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
2102 {
1901
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
2103 dmMsg(3, "IFF: Chunk size %d is uneven, adjusting to %d.\n",
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
2104 size, size + 1);
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
2105 size++;
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
2106 }
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
2107
1901
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
2108 if (size > read)
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
2109 {
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
2110 dmMsg(3, "IFF: Skipping %d bytes (%d of %d consumed)\n",
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
2111 size - read, read, size);
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
2112
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
2113 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
2114 {
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
2115 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
2116 "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
2117 }
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
2118 }
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2119
1901
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
2120 return DMERR_OK;
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
2121 }
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
2122
1656
2de258f2eb2e Get rid of a basically redundant function in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1655
diff changeset
2123
2053
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2124 static int dmCheckIFFChunk(DMIFFChunk *dest, const DMIFFChunk *chunk,
445
1d65efb29986 Simplify.
Matti Hamalainen <ccr@tnsp.org>
parents: 444
diff changeset
2125 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
2126 {
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2127 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
2128 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
2129 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
2130 "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
2131 chunk->idStr);
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2132 }
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
2133
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2134 dest->count++;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2135
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2136 if (chunk->size < minSize)
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
2137 {
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
2138 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
2139 "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
2140 chunk->idStr, chunk->size, minSize);
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
2141 }
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 DMERR_OK;
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2144 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2145
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2146
2055
6c6a4ea67540 Make two functions static and one not.
Matti Hamalainen <ccr@tnsp.org>
parents: 2054
diff changeset
2147 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
2148 {
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
2149 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
2150 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
2151 {
1905
425259977bc5 Don't use signed arithmatic in IFF ByteRun1 decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1904
diff changeset
2152 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
2153
1905
425259977bc5 Don't use signed arithmatic in IFF ByteRun1 decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1904
diff changeset
2154 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
2155 return FALSE;
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
2156
1905
425259977bc5 Don't use signed arithmatic in IFF ByteRun1 decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1904
diff changeset
2157 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
2158 {
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
2159 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
2160 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
2161 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
2162 else
1905
425259977bc5 Don't use signed arithmatic in IFF ByteRun1 decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1904
diff changeset
2163 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
2164 {
1905
425259977bc5 Don't use signed arithmatic in IFF ByteRun1 decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1904
diff changeset
2165 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
2166 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
2167 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
2168
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 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
2170 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
2171 }
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 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
2173 {
1905
425259977bc5 Don't use signed arithmatic in IFF ByteRun1 decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1904
diff changeset
2174 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
2175 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
2176 {
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
2177 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
2178 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
2179
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 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
2181 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
2182 }
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 } 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
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 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
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
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
2189 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
2190 {
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 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
2192 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
2193 else
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
2194 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
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
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
1622
009a3e3c54bf Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1621
diff changeset
2198 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
2199 {
dacf4c2f7a86 Remove slight code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents: 1618
diff changeset
2200 return (buf[xc / 8] >> (7 - (xc & 7))) & 1;
dacf4c2f7a86 Remove slight code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents: 1618
diff changeset
2201 }
dacf4c2f7a86 Remove slight code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents: 1618
diff changeset
2202
dacf4c2f7a86 Remove slight code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents: 1618
diff changeset
2203
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2204 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
2205 {
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2206 Uint8 *buf = NULL;
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2207 size_t bufLen = 0;
1618
4c96181c9c09 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1616
diff changeset
2208 int res = DMERR_OK;
1659
99b8ab61dc1b Micro-optimization.
Matti Hamalainen <ccr@tnsp.org>
parents: 1658
diff changeset
2209 const int nplanes = iff->bmhd.nplanes;
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
2210
2053
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2211 if (iff->idsig == IFF_ID_ILBM)
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2212 {
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2213 bufLen = ((img->width + 15) / 16) * 2;
1906
09d46bf9fe71 Use a consistent message between IFF encoding and decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1905
diff changeset
2214 dmMsg(2, "IFF: Line / plane row size %d bytes.\n", bufLen);
2053
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2215
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2216 }
2053
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2217 else
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2218 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
2219 {
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
2220 bufLen = (img->width * img->height + 7) / 8;
2053
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2221 dmMsg(2, "IFF: Plane buffer size %d bytes.\n", bufLen);
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2222 }
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2223
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2224 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
2225 return DMERR_MALLOC;
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
2226
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
2227 // Decode the chunk
2053
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2228 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
2229 {
2081
a14286e2710e Initialize the destination image data in case of IFF ACBM loading.
Matti Hamalainen <ccr@tnsp.org>
parents: 2078
diff changeset
2230 // 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
2231 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
2232
2053
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2233 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
2234 {
2069
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2235 // Decompress or read data
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2236 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
2237 {
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2238 res = dmError(DMERR_FREAD,
2069
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2239 "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
2240 plane);
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2241 goto out;
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2242 }
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2243
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2244 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
2245 {
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2246 Uint8 *dp = img->data + (yc * img->pitch);
2067
430c010d97c1 Fix hardcoding in ACBM decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2065
diff changeset
2247 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
2248 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
2249 {
2067
430c010d97c1 Fix hardcoding in ACBM decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2065
diff changeset
2250 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
2251 }
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 }
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2254 }
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2255 else
1618
4c96181c9c09 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1616
diff changeset
2256 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
2257 {
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
2258 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
2259
2053
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2260 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
2261 {
1907
571109a14967 Add some more informative messages in IFF loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1906
diff changeset
2262 // Clear planar decoding buffer
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2263 dmMemset(dp, 0, img->pitch);
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2264
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2265 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
2266 {
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2267 // Decompress or read data
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2268 if (!dmIFFReadOneRow(fp, iff, buf, bufLen))
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2269 {
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2270 res = dmError(DMERR_FREAD,
2069
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2271 "IFF: Error in reading ILBM image plane #%d @ %d.\n",
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2272 plane, yc);
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2273 goto out;
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2274 }
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2275
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2276 // Decode bitplane
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2277 for (int xc = 0; xc < img->width; xc++)
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2278 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
2279 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
2280
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2281 // Read mask data
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2282 if (iff->bmhd.masking == IFF_MASK_HAS_MASK)
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2283 {
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2284 // Decompress or read data
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2285 if (!dmIFFReadOneRow(fp, iff, buf, bufLen))
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2286 {
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2287 res = dmError(DMERR_FREAD,
2069
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2288 "IFF: Error in reading ILBM mask plane.\n");
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2289 goto out;
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2290 }
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
2291
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2292 // Decode mask
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2293 for (int xc = 0; xc < img->width; xc++)
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2294 {
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2295 const Uint8 data = dmDecodeBit(buf, xc);
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2296
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2297 // Black out any pixels with mask bit 0
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2298 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
2299 dp[xc] = img->pal->ctransp < 0 ? 0 : img->pal->ctransp;
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2300 }
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2301 }
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2302 }
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2303 else
2053
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2304 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
2305 {
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2306 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
2307 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
2308 res = dmError(DMERR_FREAD,
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2309 "IFF: Error reading PBM image row #%d.\n", yc);
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2310 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
2311 }
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 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
2313 }
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
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2315 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
2316 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
2317 return res;
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
2318 }
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
2319
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
2320
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
2321 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
2322 {
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
2323 DMIFFChunk chunk;
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
2324 DMIFF iff;
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2325 BOOL parsed = FALSE;
1627
d0e626e039bf Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1626
diff changeset
2326 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
2327
1167
848a88ce7a57 Use dmMemset().
Matti Hamalainen <ccr@tnsp.org>
parents: 1152
diff changeset
2328 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
2329
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2330 // Read IFF FORM header
1654
92656ad7f706 Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1641
diff changeset
2331 if ((res = dmReadIFFChunkHdr(fp, &chunk)) != DMERR_OK)
92656ad7f706 Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1641
diff changeset
2332 return res;
92656ad7f706 Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1641
diff changeset
2333
92656ad7f706 Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1641
diff changeset
2334 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
2335 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
2336 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
2337 "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
2338 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
2339 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
2340
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
2341 // 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
2342 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
2343 (iff.idsig != IFF_ID_ILBM &&
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2344 iff.idsig != IFF_ID_PBM &&
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2345 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
2346 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
2347 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
2348 "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
2349 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2350
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
2351 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
2352 iff.idsig == IFF_ID_ILBM ? "ILBM" :
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2353 (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
2354 chunk.size);
1907
571109a14967 Add some more informative messages in IFF loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1906
diff changeset
2355
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
2356 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
2357 {
1895
eb03869a10d3 Clean up the IFF reader and make it more robust.
Matti Hamalainen <ccr@tnsp.org>
parents: 1894
diff changeset
2358 // Read chunk header
1654
92656ad7f706 Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1641
diff changeset
2359 if ((res = dmReadIFFChunkHdr(fp, &chunk)) != DMERR_OK)
92656ad7f706 Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1641
diff changeset
2360 return res;
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
2361
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2362 switch (chunk.id)
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2363 {
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2364 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
2365 // 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
2366 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
2367 return res;
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2368
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
2369 // 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
2370 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
2371 !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
2372 !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
2373 !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
2374 !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
2375 !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
2376 !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
2377 !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
2378 !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
2379 !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
2380 !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
2381 !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
2382 !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
2383 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
2384 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
2385 "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
2386 }
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
2387
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
2388 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
2389 iff.bmhd.w, iff.bmhd.h, iff.bmhd.x, iff.bmhd.y,
1655
a05e3fcc60ec Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1654
diff changeset
2390 iff.bmhd.nplanes, iff.bmhd.compression, iff.bmhd.masking,
a05e3fcc60ec Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1654
diff changeset
2391 iff.bmhd.transp);
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
2392
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
2393 // 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
2394 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
2395 (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
2396 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
2397 (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
2398 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
2399 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
2400 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
2401 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
2402 "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
2403 }
2069
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2404
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2405 if (iff.idsig == IFF_ID_ACBM &&
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2406 iff.bmhd.compression != IFF_COMP_NONE)
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2407 {
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2408 dmMsg(1, "IFF: ACBM image with compression != none (%d). Ignoring.\n",
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2409 iff.bmhd.compression);
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2410
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2411 iff.bmhd.compression = IFF_COMP_NONE;
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2412 }
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2413 break;
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
2414
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2415
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2416 case IFF_ID_CMAP:
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2417 // 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
2418 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
2419 return res;
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2420
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2421 // Check for sanity
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2422 if (chunk.size % 3 != 0)
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
2423 {
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
2424 // Non-fatal
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
2425 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
2426 "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
2427 }
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2428
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
2429 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
2430 dmMsg(2, "IFF: CMAP %d entries (%d bytes)\n",
1624
9a8395b56d1a Remove unused message argument.
Matti Hamalainen <ccr@tnsp.org>
parents: 1623
diff changeset
2431 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
2432
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
2433 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
2434 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
2435
451
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
2436 // Read palette
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
2437 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
2438 {
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
2439 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
2440 (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
2441 {
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
2442 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
2443 return res;
451
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
2444 }
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
2445 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
2446 {
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
2447 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
2448 return res;
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2449 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2450 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2451
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
2452 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
2453 parsed = TRUE;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2454 break;
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
2455
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2456 case IFF_ID_BODY:
2053
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2457 case IFF_ID_ABIT:
1621
9aaa8ee24626 Fix a comment.
Matti Hamalainen <ccr@tnsp.org>
parents: 1620
diff changeset
2458 // 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
2459 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
2460 return res;
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2461
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
2462 // Check for sanity
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
2463 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
2464 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
2465 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
2466 "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
2467 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2468
2053
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2469 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
2470
2257
c7495fcaffa9 Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2220
diff changeset
2471 // Check image dimensions
c7495fcaffa9 Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2220
diff changeset
2472 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
2473 {
c7495fcaffa9 Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2220
diff changeset
2474 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
2475 "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
2476 }
c7495fcaffa9 Check image dimensions when loading PPM/PNG/PCX/IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2220
diff changeset
2477
1626
1793fc1496da Remove some code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents: 1625
diff changeset
2478 // Allocate image
1793fc1496da Remove some code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents: 1625
diff changeset
2479 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
2480 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
2481 // 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
2482 //iff->bmhd.nplanes <= 8 ? iff->bmhd.nplanes : -1
1793fc1496da Remove some code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents: 1625
diff changeset
2483 -1
1793fc1496da Remove some code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents: 1625
diff changeset
2484 )) == NULL)
1793fc1496da Remove some code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents: 1625
diff changeset
2485 return DMERR_MALLOC;
1793fc1496da Remove some code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents: 1625
diff changeset
2486
1628
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
2487 // Set image aspect ratio
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
2488 if (iff.bmhd.xasp > 0 && iff.bmhd.yasp > 0)
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
2489 (*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
2490
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
2491 // Decode the body
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2492 if ((res = dmDecodeIFFBody(fp, &iff, *pimg)) != DMERR_OK)
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
2493 return res;
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
2494
1895
eb03869a10d3 Clean up the IFF reader and make it more robust.
Matti Hamalainen <ccr@tnsp.org>
parents: 1894
diff changeset
2495 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
2496 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
2497
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
2498 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
2499 parsed = TRUE;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2500 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
2501
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
2502 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
2503 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
2504 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
2505 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
2506 "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
2507 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
2508
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
2509 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
2510
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 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
2512 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
2513 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
2514 "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
2515 }
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
2516 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
2517
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
2518
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2519 default:
1901
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
2520 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
2521 chunk.idStr, chunk.size);
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
2522
1901
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
2523 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
2524 {
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
2525 return dmError(DMERR_FSEEK,
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
2526 "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
2527 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2528 break;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2529 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
2530
1895
eb03869a10d3 Clean up the IFF reader and make it more robust.
Matti Hamalainen <ccr@tnsp.org>
parents: 1894
diff changeset
2531 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
2532 return res;
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2533 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2534
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
2535 // 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
2536 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
2537 {
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
2538 // 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
2539 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
2540 {
5790b52c339e Check that we have a CMAP/palette for IFF images that should have it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1945
diff changeset
2541 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
2542 "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
2543 }
5790b52c339e Check that we have a CMAP/palette for IFF images that should have it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1945
diff changeset
2544
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
2545 // 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
2546 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
2547 {
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
2548 int ncolors = iff.ncolors;
2053
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2549 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
2550 {
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
2551 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
2552 }
834
9623b9b548d4 Reallocation fixes.
Matti Hamalainen <ccr@tnsp.org>
parents: 812
diff changeset
2553
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
2554 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
2555 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
2556 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
2557 "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
2558 }
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
2559
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
2560 if ((res = dmPaletteResize(&iff.pal, ncolors * 2)) != DMERR_OK)
834
9623b9b548d4 Reallocation fixes.
Matti Hamalainen <ccr@tnsp.org>
parents: 812
diff changeset
2561 {
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
2562 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
2563 return res;
834
9623b9b548d4 Reallocation fixes.
Matti Hamalainen <ccr@tnsp.org>
parents: 812
diff changeset
2564 }
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
2565
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
2566 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
2567 {
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
2568 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
2569 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
2570 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
2571 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
2572 }
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
2573 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
2574
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
2575 (*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
2576 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
2577
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2578 return res;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2579 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2580
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2581
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
2582 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
2583 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2584 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
2585 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
2586 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
2587
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2588 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
2589 !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
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 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
2592 "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
2593 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
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 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
2596 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
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
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
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 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
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 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
2603 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
2604 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
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 chunk->size = curr - chunk->offs - (sizeof(Uint32) * 2);
1900
8c6040d5b930 Fix IFF chunk padding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1899
diff changeset
2607 if (chunk->size & 1)
8c6040d5b930 Fix IFF chunk padding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1899
diff changeset
2608 {
2020
57a2527ff63d Fix IFF chunk padding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2019
diff changeset
2609 dmMsg(3, "Padding chunk ID '%s', size %d ++\n",
57a2527ff63d Fix IFF chunk padding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2019
diff changeset
2610 chunk->idStr, chunk->size);
57a2527ff63d Fix IFF chunk padding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2019
diff changeset
2611
1900
8c6040d5b930 Fix IFF chunk padding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1899
diff changeset
2612 if (!dmf_write_byte(fp, 0))
8c6040d5b930 Fix IFF chunk padding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1899
diff changeset
2613 return dmferror(fp);
8c6040d5b930 Fix IFF chunk padding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1899
diff changeset
2614
2020
57a2527ff63d Fix IFF chunk padding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2019
diff changeset
2615 curr++;
1900
8c6040d5b930 Fix IFF chunk padding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1899
diff changeset
2616 }
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
2617
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2618 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
2619 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
2620
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2621 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
2622 !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
2623 {
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 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
2625 "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
2626 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
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
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 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
2630 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
2631
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 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
2633 }
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 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
2637 {
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 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
2639 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
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
2055
6c6a4ea67540 Make two functions static and one not.
Matti Hamalainen <ccr@tnsp.org>
parents: 2054
diff changeset
2643 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
2644 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
2645 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
2646 {
2050
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2647 if (count <= 0)
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2648 return TRUE;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2649
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2650 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
2651
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2652 return
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2653 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
2654 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
2655 }
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
2055
6c6a4ea67540 Make two functions static and one not.
Matti Hamalainen <ccr@tnsp.org>
parents: 2054
diff changeset
2658 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
2659 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
2660 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
2661 {
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2662 if (count <= 0)
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2663 return TRUE;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2664
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2665 Uint8
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2666 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
2667 data = buf[offs];
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 return
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2670 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
2671 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
2672 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2673
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2674
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2675 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
2676 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2677 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
2678 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
2679 BOOL ret = TRUE;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2680
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2681 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
2682 {
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 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
2684 BOOL flush = FALSE;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2685 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
2686
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2687 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
2688 {
2050
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2689 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
2690 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
2691 {
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2692 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
2693 mode = DMODE_RLE;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2694 }
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
2695 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2696 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
2697 {
2050
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2698 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
2699 {
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2700 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
2701 mode = DMODE_LIT;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2702 l_offs = offs;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2703 }
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2704 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
2705 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2706
2050
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2707 if (!ret)
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2708 goto out;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2709
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2710 // 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
2711 flush =
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2712 (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
2713 (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
2714
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2715 // 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
2716 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
2717 {
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2718 offs++;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2719 flush = TRUE;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2720 pmode = mode;
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
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2723 if (flush)
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 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
2726 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
2727 else
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2728 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
2729
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2730 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
2731 mode = DMODE_LIT;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2732
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2733 if (!ret)
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2734 goto out;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2735 }
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2736
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
2737 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
2738 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2739
2050
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2740 out:
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2741 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
2742 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2743
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
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 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
2746 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2747 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
2748 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
2749 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
2750 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
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
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
2156
e6ec7fad9ce2 Rename DMImageConvSpec to DMImageWriteSpec to better reflec the struct's purpose.
Matti Hamalainen <ccr@tnsp.org>
parents: 2154
diff changeset
2754 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
2755 {
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 DMIFF iff;
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2757 Uint8 *buf = NULL;
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2758 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
2759 int res = DMERR_OK;
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2760
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2761 // 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
2762 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
2763 (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
2764 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2765 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
2766 "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
2767 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2768
2065
451980580189 Refactor how paletted/indexed formats are handled in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 2064
diff changeset
2769 switch (spec->fmtid)
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2770 {
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2771 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
2772 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
2773 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
2774 default:
451980580189 Refactor how paletted/indexed formats are handled in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 2064
diff changeset
2775 return dmError(DMERR_NOT_SUPPORTED,
451980580189 Refactor how paletted/indexed formats are handled in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 2064
diff changeset
2776 "Invalid IFF format.\n");
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2777 }
2026
b137d324e13f Force 8 bitplanes for IFF PBM images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2025
diff changeset
2778
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
2779 // 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
2780 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
2781 iff.bmhd.y = 0;
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2782 iff.bmhd.w = img->width * spec->scaleX;
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2783 iff.bmhd.h = img->height * spec->scaleY;
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2784 iff.bmhd.pagew = img->width * spec->scaleX;
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2785 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
2786 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
2787 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
2788 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
2789
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2790 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
2791 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
2792 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
2793 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
2794
2069
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2795 // Apparently ACBM can't/should not use compression .. even though
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2796 // some files in the wild have bmhd.compression != 0 (but are not
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2797 // actually compressed.) To be more compliant with the spec,
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2798 iff.bmhd.compression = (spec->compression && iff.idsig != IFF_ID_ACBM) ? IFF_COMP_BYTERUN1 : IFF_COMP_NONE;
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2799
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
2800 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
2801 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
2802
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2803 // 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
2804 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
2805 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
2806
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 // 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
2808 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
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 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
2811 "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
2812 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
2813 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
2814 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2815
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 // 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
2817 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
2818 !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
2819 !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
2820 !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
2821 !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
2822 !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
2823 !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
2824 !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
2825 !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
2826 !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
2827 !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
2828 !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
2829 !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
2830 !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
2831 {
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 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
2833 "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
2834 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
2835 }
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
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 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
2838 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
2839
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 //
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 // 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
2842 //
2157
9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents: 2156
diff changeset
2843 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
2844 img->pal != NULL &&
7652b3fe8f30 Fix IFF and PCX checks for non-indexed images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2145
diff changeset
2845 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
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 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
2848 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
2849
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
2850 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
2851 {
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2093
diff changeset
2852 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
2853 "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
2854 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
2855 }
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
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2857 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
2858 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
2859
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2860 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
2861 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
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 //
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 // 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
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 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
2868 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
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 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
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 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
2873 "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
2874 }
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
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 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
2877 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
2878
2050
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2879
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
2880 //
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 // 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
2882 //
2069
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2883 if ((res = dmWriteIFFChunkHdr(fp, &iff.chBODY,
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2884 (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
2885 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
2886
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2887 // Allocate encoding buffer
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2888 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
2889 bufLen = ((img->width * spec->scaleX + 15) / 16) * 2;
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2890 else
2069
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2891 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
2892 bufLen = (img->width * spec->scaleX * img->height * spec->scaleY + 7) / 8;
2069
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2893 else
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2894 bufLen = img->width * spec->scaleX;
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2895
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2896 dmMsg(2, "IFF: Line/plane row size %d bytes.\n", bufLen);
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2897
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2898 if ((buf = dmMalloc(bufLen)) == NULL)
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2899 return DMERR_MALLOC;
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2900
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2901 // Encode the body
2069
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2902 if (iff.idsig == IFF_ID_ACBM)
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2903 {
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2904 for (int plane = 0; plane < iff.bmhd.nplanes; plane++)
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2905 {
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2906 // Encode bitplane
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2907 dmMemset(buf, 0, bufLen);
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2908
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2909 for (int yc = 0; yc < img->height * spec->scaleY; yc++)
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2910 {
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2911 Uint8 *sp = img->data + (yc * img->pitch);
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2912 Uint8 *dp = buf + (yc * img->width * spec->scaleX) / 8;
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2913 for (int xc = 0; xc < img->width * spec->scaleX; xc++)
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2914 dp[xc / 8] |= ((sp[xc / spec->scaleX] >> plane) & 1) << (7 - (xc & 7));
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2915 }
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2916
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2917 if (!dmIFFWriteOneRow(fp, &iff, buf, bufLen))
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2918 {
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2919 res = dmError(DMERR_FWRITE,
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2920 "IFF: Error writing ACBM image plane %d.\n",
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2921 plane);
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2922 goto out;
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2923 }
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2924 }
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2925 }
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2926 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
2927 {
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2928 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
2929 for (int yscale = 0; yscale < spec->scaleY; yscale++)
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2930 {
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2931 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
2932
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2933 if (iff.idsig == IFF_ID_ILBM)
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2934 {
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2935 for (int plane = 0; plane < spec->nplanes; plane++)
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2936 {
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2937 // Encode bitplane
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2938 dmMemset(buf, 0, bufLen);
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2939
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2940 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
2941 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
2942
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2943 // Compress / write data
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2944 if (!dmIFFWriteOneRow(fp, &iff, buf, bufLen))
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2945 {
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2946 res = dmError(DMERR_FWRITE,
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2947 "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
2948 plane, yc);
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2949 goto out;
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 }
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2952
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2953 // Write mask data, if any
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2954 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
2955 {
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2956 dmMemset(buf, 0, bufLen);
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2957
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2958 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
2959 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
2960
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2961 if (!dmIFFWriteOneRow(fp, &iff, buf, bufLen))
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2962 {
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2963 res = dmError(DMERR_FWRITE,
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2964 "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
2965 goto out;
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2966 }
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2967 }
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2968 }
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2969 else
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2970 {
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2971 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
2972 buf[xc] = sp[xc / spec->scaleX];
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2973
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2974 if (!dmIFFWriteOneRow(fp, &iff, buf, bufLen))
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2975 {
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2976 res = dmError(DMERR_FWRITE,
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2977 "IFF: Error writing PBM image row #%d.\n", yc);
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2978 goto out;
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2979 }
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2980 }
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2981 }
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
2982 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2983
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2984 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
2985 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
2986
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2987 // 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
2988 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
2989 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
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 out:
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2992 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
2993 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
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
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
1613
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
2997 //
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
2998 // List of formats
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
2999 //
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
3000 const DMImageFormat dmImageFormatList[] =
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3001 {
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
3002 #ifdef DM_USE_LIBPNG
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3003 {
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
3004 "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
3005 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
3006 fmtProbePNG, dmReadPNGImage, dmWritePNGImage,
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
3007 },
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3008 #endif
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3009 {
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
3010 "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
3011 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
3012 fmtProbePPM, dmReadPPMImage, dmWritePPMImage,
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3013 },
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3014 {
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
3015 "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
3016 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
3017 fmtProbePCX, dmReadPCXImage, dmWritePCXImage,
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3018 },
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3019 {
2071
3dac7a781317 s/"lbm"/"ilbm"/
Matti Hamalainen <ccr@tnsp.org>
parents: 2069
diff changeset
3020 "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
3021 DM_IMGFMT_IFF_ILBM, DM_FMT_RDWR | DM_PIXFMT_PALETTE,
2068
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
3022 fmtProbeIFF_ILBM, dmReadIFFImage, dmWriteIFFImage,
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
3023 },
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
3024 {
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
3025 "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
3026 DM_IMGFMT_IFF_PBM, DM_FMT_RDWR | DM_PIXFMT_PALETTE,
2068
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
3027 fmtProbeIFF_PBM, dmReadIFFImage, dmWriteIFFImage,
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
3028 },
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
3029 {
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
3030 "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
3031 DM_IMGFMT_IFF_ACBM, DM_FMT_RDWR | DM_PIXFMT_PALETTE,
2068
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
3032 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
3033 },
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
3034 {
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
3035 "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
3036 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
3037 NULL, NULL, dmWriteRAWImage,
566
d400e32b62d9 Add a slightly different raw output format.
Matti Hamalainen <ccr@tnsp.org>
parents: 487
diff changeset
3038 },
d400e32b62d9 Add a slightly different raw output format.
Matti Hamalainen <ccr@tnsp.org>
parents: 487
diff changeset
3039 {
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
3040 "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
3041 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
3042 NULL, NULL, dmWriteRAWImage,
2047
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents: 2026
diff changeset
3043 },
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents: 2026
diff changeset
3044 {
2057
02fa60b27af5 Correct description of 'cdump' format.
Matti Hamalainen <ccr@tnsp.org>
parents: 2055
diff changeset
3045 "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
3046 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
3047 NULL, NULL, dmWriteCDumpImage,
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3048 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3049 };
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3050
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
3051 const int ndmImageFormatList = sizeof(dmImageFormatList) / sizeof(dmImageFormatList[0]);
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3052
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
3053
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
3054 int dmImageProbeGeneric(const Uint8 *buf, const size_t len, const DMImageFormat **pfmt, int *index)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3055 {
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
3056 int scoreMax = DM_PROBE_SCORE_FALSE, scoreIndex = -1;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3057
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
3058 for (int i = 0; i < ndmImageFormatList; i++)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3059 {
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
3060 const DMImageFormat *fmt = &dmImageFormatList[i];
442
a67600e186d0 Fix probing to handle NULL probe functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 440
diff changeset
3061 if (fmt->probe != NULL)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3062 {
442
a67600e186d0 Fix probing to handle NULL probe functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 440
diff changeset
3063 int score = fmt->probe(buf, len);
a67600e186d0 Fix probing to handle NULL probe functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 440
diff changeset
3064 if (score > scoreMax)
a67600e186d0 Fix probing to handle NULL probe functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 440
diff changeset
3065 {
a67600e186d0 Fix probing to handle NULL probe functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 440
diff changeset
3066 scoreMax = score;
a67600e186d0 Fix probing to handle NULL probe functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 440
diff changeset
3067 scoreIndex = i;
a67600e186d0 Fix probing to handle NULL probe functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 440
diff changeset
3068 }
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3069 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3070 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3071
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3072 if (scoreIndex >= 0)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3073 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3074 *pfmt = &dmImageFormatList[scoreIndex];
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3075 *index = scoreIndex;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3076 return scoreMax;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3077 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3078 else
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3079 return DM_PROBE_SCORE_FALSE;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3080 }
2207
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3081
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3082
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3083 //
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3084 // List of formats
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3085 //
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3086 const DMPaletteFormat dmPaletteFormatList[] =
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3087 {
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3088 {
2209
7a0af15fbe97 Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents: 2208
diff changeset
3089 "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
3090 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
3091 fmtProbeACTPalette, dmReadACTPalette, dmWriteACTPalette,
7a0af15fbe97 Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents: 2208
diff changeset
3092 },
7a0af15fbe97 Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents: 2208
diff changeset
3093 {
7a0af15fbe97 Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents: 2208
diff changeset
3094 "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
3095 DM_PALFMT_RAW, DM_FMT_RDWR,
7a0af15fbe97 Add support for 'raw' 768 byte palette files.
Matti Hamalainen <ccr@tnsp.org>
parents: 2208
diff changeset
3096 fmtProbeRAWPalette, dmReadRAWPalette, dmWriteRAWPalette,
2207
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3097 },
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3098 };
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3099
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3100 const int ndmPaletteFormatList = sizeof(dmPaletteFormatList) / sizeof(dmPaletteFormatList[0]);
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3101
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3102
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3103 int dmPaletteProbeGeneric(const Uint8 *buf, const size_t len, const DMPaletteFormat **pfmt, int *index)
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3104 {
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3105 int scoreMax = DM_PROBE_SCORE_FALSE, scoreIndex = -1;
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3106
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3107 for (int i = 0; i < ndmPaletteFormatList; i++)
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3108 {
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3109 const DMPaletteFormat *fmt = &dmPaletteFormatList[i];
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3110 if (fmt->probe != NULL)
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3111 {
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3112 int score = fmt->probe(buf, len);
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3113 if (score > scoreMax)
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3114 {
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3115 scoreMax = score;
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3116 scoreIndex = i;
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3117 }
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3118 }
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3119 }
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3120
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3121 if (scoreIndex >= 0)
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3122 {
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3123 *pfmt = &dmPaletteFormatList[scoreIndex];
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3124 *index = scoreIndex;
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3125 return scoreMax;
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3126 }
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3127 else
1ea48084055e Add functionality for separate palette file handling, reading, writing and
Matti Hamalainen <ccr@tnsp.org>
parents: 2202
diff changeset
3128 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
3129 }