annotate tools/libgfx.c @ 2082:a0a6f5a3fbbf

Fix plane buffer size calculation for IFF ACBM to round up to nearest byte (minimum of 1).
author Matti Hamalainen <ccr@tnsp.org>
date Mon, 10 Dec 2018 20:48:46 +0200
parents a14286e2710e
children feed844a5ae1
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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 2012-2018 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 = 8;
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23 }
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24
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25
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26 BOOL dmPutBits(DMBitStreamContext *ctx, const int val, const int n)
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27 {
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28 unsigned int mask = 1 << (n - 1);
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29
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30 for (int i = 0; i < n; i++)
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31 {
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32 ctx->outBuf <<= 1;
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33
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34 if (val & mask)
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35 ctx->outBuf |= 1;
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36
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37 mask >>= 1;
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38 ctx->outBitCount--;
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39
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40 if (ctx->outBitCount == 0)
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41 {
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42 if (!ctx->putByte(ctx, ctx->outBuf & 0xff))
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43 return FALSE;
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44
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45 ctx->outBitCount = 8;
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46 ctx->outByteCount++;
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47 }
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48 }
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49
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50 return TRUE;
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51 }
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52
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53
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54 int dmFlushBitStream(DMBitStreamContext *ctx)
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55 {
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56 if (ctx == NULL)
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57 return DMERR_NULLPTR;
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58
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59 if (ctx->outBitCount != 8)
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60 dmPutBits(ctx, 0, ctx->outBitCount);
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61
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62 return 0;
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63 }
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65
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66 static BOOL dmPutByteFILE(DMBitStreamContext *ctx, const Uint8 val)
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67 {
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68 return dmf_write_byte((DMResource *) ctx->handle, val);
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69 }
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71
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72 int dmInitBitStreamFILE(DMBitStreamContext *ctx, DMResource *fp)
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73 {
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74 if (ctx == NULL || fp == NULL)
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75 return DMERR_NULLPTR;
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76
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77 ctx->putByte = dmPutByteFILE;
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78 ctx->handle = (void *) fp;
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79
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80 dmInitBitStreamContext(ctx);
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81
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82 return DMERR_OK;
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83 }
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84
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85
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86 BOOL dmCompareColor(const DMColor *c1, const DMColor *c2, BOOL alpha)
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87 {
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88 if (c1->r == c2->r &&
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89 c1->g == c2->g &&
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90 c1->b == c2->b)
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91 return alpha ? (c1->a == c2->a) : TRUE;
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92 else
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93 return FALSE;
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94 }
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95
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96
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97 int dmImageGetBytesPerPixel(const int format)
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98 {
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99 switch (format)
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100 {
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101 case DM_COLFMT_PALETTE : return 1;
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102 case DM_COLFMT_RGB : return 3;
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103 case DM_COLFMT_RGBA : return 4;
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104 default : return -1;
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105 }
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106 }
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107
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108
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109 DMImage * dmImageAlloc(const int width, const int height, const int format, const int bpp)
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110 {
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111 DMImage *img = dmMalloc0(sizeof(DMImage));
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112 if (img == NULL)
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113 return NULL;
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114
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115 img->width = width;
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116 img->height = height;
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117 img->format = format;
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118 img->bpp = (bpp <= 0) ? dmImageGetBytesPerPixel(format) * 8 : bpp;
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119 img->pitch = width * img->bpp;
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120 img->size = img->pitch * img->height;
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121 img->ctransp = -1;
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122 img->aspect = -1;
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123
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124 if ((img->data = dmMalloc(img->size)) == NULL)
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125 {
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126 dmFree(img);
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127 return NULL;
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128 }
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129
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130 return img;
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131 }
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132
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133
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134 void dmImageFree(DMImage *img)
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135 {
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136 if (img != NULL)
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137 {
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138 if (!img->constpal)
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139 {
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
140 dmFree(img->pal);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
141 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
142 dmFree(img->data);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
143 dmFree(img);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
144 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
145 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
146
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
147
460
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
148 BOOL dmPaletteAlloc(DMColor **ppal, int ncolors, int ctransp)
451
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
149 {
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
150 if (ppal == NULL)
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
151 return FALSE;
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
152
460
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
153 // Allocate desired amount of palette
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
154 if ((*ppal = dmCalloc(ncolors, sizeof(DMColor))) == NULL)
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
155 return FALSE;
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
156
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
157 // Set alpha values to max, except for transparent color
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
158 for (int i = 0; i < ncolors; i++)
460
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
159 {
1655
a05e3fcc60ec Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1654
diff changeset
160 (*ppal)[i].a = (i == ctransp) ? 0x00 : 0xff;
460
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
161 }
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
162
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
163 return TRUE;
451
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
164 }
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
165
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
166
1655
a05e3fcc60ec Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1654
diff changeset
167 BOOL dmImagePaletteAlloc(DMImage *img, int ncolors, int ctransp)
451
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
168 {
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
169 if (img == NULL)
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
170 return FALSE;
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
171
451
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
172 img->ncolors = ncolors;
460
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
173 img->ctransp = ctransp;
1730
881a3fc421d8 Use the default C64 palette whenever we need it, but make it possible to override it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1698
diff changeset
174 img->constpal = FALSE;
881a3fc421d8 Use the default C64 palette whenever we need it, but make it possible to override it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1698
diff changeset
175
460
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
176 return dmPaletteAlloc(&(img->pal), ncolors, ctransp);
451
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
177 }
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
178
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
179
1655
a05e3fcc60ec Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1654
diff changeset
180 static BOOL dmPaletteReadData(DMResource *fp, DMColor *pal, int ncolors)
451
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
181 {
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
182 for (int i = 0; i < ncolors; i++)
451
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
183 {
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
184 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
185 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
186 !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
187 !dmf_read_byte(fp, &colB))
451
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
188 return FALSE;
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
189
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
190 pal[i].r = colR;
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
191 pal[i].g = colG;
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
192 pal[i].b = colB;
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
193 }
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
194
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
195 return TRUE;
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
196 }
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
197
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
198
1341
ae2ba8cb510f Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 1339
diff changeset
199 int dmWriteImageData(const DMImage *img, void *cbdata, int (*writeRowCB)(void *, const Uint8 *, const size_t), const DMImageConvSpec *spec)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
200 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
201 int x, y, yscale, xscale, res = 0, rowSize, rowWidth;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
202 Uint8 *row = NULL;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
203
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
204 // 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
205 rowWidth = img->width * spec->scaleX;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
206 rowSize = rowWidth * dmImageGetBytesPerPixel(spec->format);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
207
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
208 if ((row = dmMalloc(rowSize + 16)) == NULL)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
209 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
210 res = DMERR_MALLOC;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
211 goto done;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
212 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
213
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
214 // Generate the image
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
215 for (y = 0; y < img->height; y++)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
216 {
436
86f956e4580f Cosmetics, rename a variable.
Matti Hamalainen <ccr@tnsp.org>
parents: 435
diff changeset
217 Uint8 *ptr1 = row,
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
218 *ptr2 = ptr1 + rowWidth,
1291
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
219 *ptr3 = ptr2 + rowWidth,
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
220 *ptr4 = ptr3 + rowWidth;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
221
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
222 for (x = 0; x < img->width; x++)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
223 {
1291
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
224 Uint8 c = img->data[(y * img->pitch) + (x * img->bpp) / 8],
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
225 qr, qg, qb, qa;
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
226
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
227 switch (spec->format)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
228 {
1801
0562dd55a1f6 s/DM_IFMT_/DM_COLFMT_/g
Matti Hamalainen <ccr@tnsp.org>
parents: 1800
diff changeset
229 case DM_COLFMT_PALETTE:
902
c6c480e8e1c8 Add separate X and Y scaling to gfxconv and libgfx outputters.
Matti Hamalainen <ccr@tnsp.org>
parents: 858
diff changeset
230 for (xscale = 0; xscale < spec->scaleX; xscale++)
436
86f956e4580f Cosmetics, rename a variable.
Matti Hamalainen <ccr@tnsp.org>
parents: 435
diff changeset
231 *ptr1++ = c;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
232 break;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
233
1801
0562dd55a1f6 s/DM_IFMT_/DM_COLFMT_/g
Matti Hamalainen <ccr@tnsp.org>
parents: 1800
diff changeset
234 case DM_COLFMT_RGBA:
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
235 qr = img->pal[c].r;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
236 qg = img->pal[c].g;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
237 qb = img->pal[c].b;
460
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
238 qa = img->pal[c].a;
1292
92e99ea23811 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1291
diff changeset
239
1291
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
240 if (spec->planar)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
241 {
1291
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
242 for (xscale = 0; xscale < spec->scaleX; xscale++)
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
243 {
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
244 *ptr1++ = qr;
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
245 *ptr2++ = qg;
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
246 *ptr3++ = qb;
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
247 *ptr4++ = qa;
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
248 }
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
249 }
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
250 else
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
251 {
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
252 for (xscale = 0; xscale < spec->scaleX; xscale++)
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
253 {
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
254 *ptr1++ = qr;
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
255 *ptr1++ = qg;
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
256 *ptr1++ = qb;
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
257 *ptr1++ = qa;
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
258 }
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
259 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
260 break;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
261
1801
0562dd55a1f6 s/DM_IFMT_/DM_COLFMT_/g
Matti Hamalainen <ccr@tnsp.org>
parents: 1800
diff changeset
262 case DM_COLFMT_RGB:
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
263 qr = img->pal[c].r;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
264 qg = img->pal[c].g;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
265 qb = img->pal[c].b;
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
266
1291
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
267 if (spec->planar)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
268 {
1291
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
269 for (xscale = 0; xscale < spec->scaleX; xscale++)
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
270 {
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
271 *ptr1++ = qr;
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
272 *ptr2++ = qg;
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
273 *ptr3++ = qb;
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
274 }
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
275 }
1291
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
276 else
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
277 {
1291
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
278 for (xscale = 0; xscale < spec->scaleX; xscale++)
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
279 {
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
280 *ptr1++ = qr;
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
281 *ptr1++ = qg;
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
282 *ptr1++ = qb;
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
283 }
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
284 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
285 break;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
286 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
287 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
288
902
c6c480e8e1c8 Add separate X and Y scaling to gfxconv and libgfx outputters.
Matti Hamalainen <ccr@tnsp.org>
parents: 858
diff changeset
289 for (yscale = 0; yscale < spec->scaleY; yscale++)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
290 {
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
291 if ((res = writeRowCB(cbdata, row, rowSize)) != DMERR_OK)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
292 goto done;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
293 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
294 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
295
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
296 done:
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
297 dmFree(row);
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
298 return res;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
299 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
300
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
301
1886
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
302 #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
303
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
304 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
305 DMResource *fp, const char *filename, const char *prefix,
2065
451980580189 Refactor how paletted/indexed formats are handled in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 2064
diff changeset
306 const DMImage *img, const DMImageConvSpec *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
307 {
2049
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
308 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
309 "%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
310 "%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
311 "%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
312 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
313 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
314 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
315 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
316
2065
451980580189 Refactor how paletted/indexed formats are handled in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 2064
diff changeset
317 if (spec->fmtid == DM_IMGFMT_ARAW)
1886
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
318 {
2049
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
319 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
320 "%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
321 "%s_palette:\n",
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
322 prefix, img->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
323 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
324 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
325
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
326 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
327 {
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
328 Uint32 color;
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
329 if (i < img->ncolors)
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
330 {
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
331 color = (DMCOL(img->pal[i].r) << 8) |
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
332 (DMCOL(img->pal[i].g) << 4) |
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
333 (DMCOL(img->pal[i].b));
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
334 }
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
335 else
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
336 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
337
2049
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
338 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
339 "\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
340 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
341 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
342 }
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
343
2049
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
344 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
345 "%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
346 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
347 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
348 }
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
349
1887
297aa8f0ca7f Return DMERR_OK instead of dmferror(fp) dmWriteIFFMasterRAWHeader().
Matti Hamalainen <ccr@tnsp.org>
parents: 1886
diff changeset
350 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
351 }
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
352
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
353
1872
fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
354 static BOOL dmWriteRAWRow(DMBitStreamContext *bs, const DMImage *img, const DMImageConvSpec *spec, const int yc, const int plane)
fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
355 {
fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
356 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
357 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
358 {
fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
359 for (int xscale = 0; xscale < spec->scaleX; xscale++)
fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
360 if (!dmPutBits(bs, (sp[xc] & (1 << plane)) ? 1 : 0, 1))
fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
361 return FALSE;
fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
362 }
fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
363 return TRUE;
fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
364 }
fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
365
fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
366
1886
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
367 int dmWriteRAWImage(DMResource *fp, const DMImage *img, const DMImageConvSpec *spec)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
368 {
1622
009a3e3c54bf Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1621
diff changeset
369 int res;
800
c63e24f9aa9a Modularize bitstream reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 566
diff changeset
370 DMBitStreamContext bs;
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
371
800
c63e24f9aa9a Modularize bitstream reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 566
diff changeset
372 if ((res = dmInitBitStreamFILE(&bs, fp)) != DMERR_OK)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
373 return res;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
374
1291
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
375 if (spec->planar)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
376 {
1339
65f8fd1bf76e Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1309
diff changeset
377 // Output bitplanes in planar format
65f8fd1bf76e Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1309
diff changeset
378 // (each plane of line sequentially)
1622
009a3e3c54bf Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1621
diff changeset
379 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
380 for (int yscale = 0; yscale < spec->scaleY; yscale++)
1622
009a3e3c54bf Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1621
diff changeset
381 for (int plane = 0; plane < spec->nplanes; plane++)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
382 {
1872
fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
383 if (!dmWriteRAWRow(&bs, img, spec, yc, plane))
fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
384 return DMERR_FWRITE;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
385 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
386 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
387 else
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
388 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
389 // Output each bitplane in sequence
1622
009a3e3c54bf Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1621
diff changeset
390 for (int plane = 0; plane < spec->nplanes; plane++)
009a3e3c54bf Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1621
diff changeset
391 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
392 for (int yscale = 0; yscale < spec->scaleY; yscale++)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
393 {
1872
fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
394 if (!dmWriteRAWRow(&bs, img, spec, yc, plane))
fe15412eec10 Actually fix also the ARAW/RAW image data writing to honor the scaling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
395 return DMERR_FWRITE;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
396 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
397 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
398
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
399 return dmFlushBitStream(&bs);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
400 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
401
566
d400e32b62d9 Add a slightly different raw output format.
Matti Hamalainen <ccr@tnsp.org>
parents: 487
diff changeset
402
2049
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
403 static BOOL dmPutByteCDump(DMBitStreamContext *ctx, const Uint8 val)
2047
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents: 2026
diff changeset
404 {
2049
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
405 return dmfprintf((DMResource *) ctx->handle, "0x%02x, ", val) > 0;
2047
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents: 2026
diff changeset
406 }
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents: 2026
diff changeset
407
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents: 2026
diff changeset
408
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents: 2026
diff changeset
409 int dmWriteCDumpImage(DMResource *fp, const DMImage *img, const DMImageConvSpec *spec)
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents: 2026
diff changeset
410 {
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents: 2026
diff changeset
411 int 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
412 DMBitStreamContext bs;
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
413
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
414 if (dmfprintf(fp,
2047
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents: 2026
diff changeset
415 "#define SET_WIDTH %d\n"
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents: 2026
diff changeset
416 "#define SET_HEIGHT %d\n"
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents: 2026
diff changeset
417 "\n"
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents: 2026
diff changeset
418 "Uint8 img_data[] = {\n",
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents: 2026
diff changeset
419 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
420 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
421 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
422
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
423 dmInitBitStreamContext(&bs);
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
424 bs.putByte = dmPutByteCDump;
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
425 bs.handle = (void *) fp;
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
426
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
427 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
428 {
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
429 // 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
430 // (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
431 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
432 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
433 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
434 {
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
435 if (!dmWriteRAWRow(&bs, img, spec, yc, plane))
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
436 return DMERR_FWRITE;
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
437
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
438 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
439 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
440 }
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
441 }
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
442 else
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
443 {
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
444 // 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
445 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
446 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
447 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
448 {
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
449 if (!dmWriteRAWRow(&bs, img, spec, yc, plane))
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
450 return DMERR_FWRITE;
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
451
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
452 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
453 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
454 }
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
455 }
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
456
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
457 res = dmFlushBitStream(&bs);
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
458
a945a5f2fd70 Improve the cdump output format support of gfxconv. Also add some error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2047
diff changeset
459 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
460 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
461 res = dmferror(fp);
2047
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents: 2026
diff changeset
462
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents: 2026
diff changeset
463 return res;
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents: 2026
diff changeset
464 }
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents: 2026
diff changeset
465
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents: 2026
diff changeset
466
1301
e03f20d0f785 Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 1300
diff changeset
467 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
468 {
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
469 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
470 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
471 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
472 return DMERR_FWRITE;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
473 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
474
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
475
1886
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
476 int dmWritePPMImage(DMResource *fp, const DMImage *img, const DMImageConvSpec *spec)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
477 {
1290
e7dc9bb9777e Rename struct DMImageSpec to DMImageConvSpec.
Matti Hamalainen <ccr@tnsp.org>
parents: 1288
diff changeset
478 DMImageConvSpec tmpSpec;
1288
6c8b19d1d196 More work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1287
diff changeset
479
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
480 // 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
481 char *tmp = dm_strdup_printf(
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
482 "P6\n%d %d\n255\n",
902
c6c480e8e1c8 Add separate X and Y scaling to gfxconv and libgfx outputters.
Matti Hamalainen <ccr@tnsp.org>
parents: 858
diff changeset
483 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
484 img->height * spec->scaleY);
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
485
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
486 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
487 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
488
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
489 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
490 dmFree(tmp);
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
491
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
492 // Write image data
1290
e7dc9bb9777e Rename struct DMImageSpec to DMImageConvSpec.
Matti Hamalainen <ccr@tnsp.org>
parents: 1288
diff changeset
493 memcpy(&tmpSpec, spec, sizeof(DMImageConvSpec));
1801
0562dd55a1f6 s/DM_IFMT_/DM_COLFMT_/g
Matti Hamalainen <ccr@tnsp.org>
parents: 1800
diff changeset
494 tmpSpec.format = DM_COLFMT_RGB;
1288
6c8b19d1d196 More work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1287
diff changeset
495 return dmWriteImageData(img, (void *) fp, dmWritePPMRow, &tmpSpec);
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
496 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
497
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
498
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
499 #ifdef DM_USE_LIBPNG
1613
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
500 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
501 {
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
502 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
503 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
504 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
505 {
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
506 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
507 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
508 return DM_PROBE_SCORE_MAX;
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
509 else
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
510 return DM_PROBE_SCORE_GOOD;
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
511 }
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
512
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
513 return DM_PROBE_SCORE_FALSE;
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
514 }
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
515
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
516
1301
e03f20d0f785 Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 1300
diff changeset
517 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
518 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
519 png_structp png_ptr = cbdata;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
520 (void) len;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
521
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
522 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
523 return DMERR_INTERNAL;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
524
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
525 png_write_row(png_ptr, row);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
526
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
527 return DMERR_OK;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
528 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
529
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
530
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
531 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
532 {
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
533 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
534
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
535 // 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
536 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
537 }
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
538
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
539
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
540 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
541 {
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
542 (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
543 }
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
544
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
545
1886
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
546 int dmWritePNGImage(DMResource *fp, const DMImage *img, const DMImageConvSpec *spec)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
547 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
548 png_structp png_ptr = NULL;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
549 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
550 int fmt, res;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
551
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
552 // Create PNG structures
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
553 png_ptr = png_create_write_struct(
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
554 PNG_LIBPNG_VER_STRING,
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
555 NULL, NULL, NULL);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
556
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
557 if (png_ptr == NULL)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
558 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
559 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
560 "PNG: png_create_write_struct() failed.\n");
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
561 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
562 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
563
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
564 info_ptr = png_create_info_struct(png_ptr);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
565 if (info_ptr == NULL)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
566 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
567 res = dmError(DMERR_INIT_FAIL,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
568 "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
569 png_ptr);
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
570 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
571 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
572
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
573 if (setjmp(png_jmpbuf(png_ptr)))
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
574 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
575 res = dmError(DMERR_INIT_FAIL,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
576 "PNG: Error during image writing..\n");
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
577 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
578 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
579
1304
e968b259605b Fix a warning about potentially clobbered variable due to setjmp() use.
Matti Hamalainen <ccr@tnsp.org>
parents: 1303
diff changeset
580 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
581 png_set_write_fn(png_ptr, fp, dmPNGWriteData, dmPNGWriteFlush);
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
582
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
583 // Write PNG header info
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
584 switch (spec->format)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
585 {
1801
0562dd55a1f6 s/DM_IFMT_/DM_COLFMT_/g
Matti Hamalainen <ccr@tnsp.org>
parents: 1800
diff changeset
586 case DM_COLFMT_PALETTE: fmt = PNG_COLOR_TYPE_PALETTE; break;
0562dd55a1f6 s/DM_IFMT_/DM_COLFMT_/g
Matti Hamalainen <ccr@tnsp.org>
parents: 1800
diff changeset
587 case DM_COLFMT_RGB : fmt = PNG_COLOR_TYPE_RGB; break;
0562dd55a1f6 s/DM_IFMT_/DM_COLFMT_/g
Matti Hamalainen <ccr@tnsp.org>
parents: 1800
diff changeset
588 case DM_COLFMT_RGBA : fmt = PNG_COLOR_TYPE_RGB_ALPHA; break;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
589 default:
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
590 res = dmError(DMERR_NOT_SUPPORTED,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
591 "PNG: Unsupported image format %d.\n",
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
592 spec->format);
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
593 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
594 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
595
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
596 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
597
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
598 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
599 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
600 img->height * spec->scaleY,
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
601 8, /* bits per component */
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
602 fmt,
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
603 PNG_INTERLACE_NONE,
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
604 PNG_COMPRESSION_TYPE_DEFAULT,
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
605 PNG_FILTER_TYPE_DEFAULT);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
606
1287
32051ad352c8 Adjust debug messages and debug message levels in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1286
diff changeset
607 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
608 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
609 img->height * spec->scaleY,
460
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
610 8, fmt);
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
611
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
612 // Palette
1801
0562dd55a1f6 s/DM_IFMT_/DM_COLFMT_/g
Matti Hamalainen <ccr@tnsp.org>
parents: 1800
diff changeset
613 if (spec->format == DM_COLFMT_PALETTE)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
614 {
858
e7019bd83cca Fix potential longjmp clobbering of variable.
Matti Hamalainen <ccr@tnsp.org>
parents: 834
diff changeset
615 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
616
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
617 if (palette == NULL)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
618 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
619 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
620 "PNG: Could not allocate palette structure.");
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
621 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
622 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
623
1167
848a88ce7a57 Use dmMemset().
Matti Hamalainen <ccr@tnsp.org>
parents: 1152
diff changeset
624 dmMemset(palette, 0, PNG_MAX_PALETTE_LENGTH * sizeof(png_color));
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
625
1939
bc00373e5a90 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1938
diff changeset
626 for (int i = 0; i < img->ncolors; i++)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
627 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
628 palette[i].red = img->pal[i].r;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
629 palette[i].green = img->pal[i].g;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
630 palette[i].blue = img->pal[i].b;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
631 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
632
460
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
633 png_set_PLTE(png_ptr, info_ptr, palette, img->ncolors);
1938
a8e475eede4a Fix two memory leaks in the PNG writer/reader of libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1921
diff changeset
634 png_free(png_ptr, palette);
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
635 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
636
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
637 // png_set_gAMA(png_ptr, info_ptr, 2.2);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
638
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
639 png_write_info(png_ptr, info_ptr);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
640
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
641
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
642 // Write compressed image data
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
643 dmWriteImageData(img, (void *) png_ptr, dmWritePNGRow, spec);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
644
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
645 // Write footer
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
646 png_write_end(png_ptr, NULL);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
647
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
648 error:
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
649 if (png_ptr && info_ptr)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
650 png_destroy_write_struct(&png_ptr, &info_ptr);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
651
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
652 return res;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
653 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
654
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
655
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
656 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
657 {
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
658 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
659
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
660 // 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
661 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
662 }
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
663
1886
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
664
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
665 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
666 {
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
667 png_structp png_ptr = NULL;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
668 png_infop info_ptr = NULL;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
669 png_colorp palette = NULL;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
670 png_bytep *row_pointers = NULL;
460
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
671 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
672 png_uint_32 width, height, res_x = 0, res_y = 0;
1628
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
673 int i, 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
674 int res = DMERR_OK;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
675 DMImage *img;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
676
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
677 // Create PNG structures
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
678 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
679 PNG_LIBPNG_VER_STRING,
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
680 NULL, NULL, NULL);
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
681
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
682 if (png_ptr == NULL)
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
683 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
684 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
685 "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
686 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
687 }
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
688
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
689 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
690 if (info_ptr == NULL)
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
691 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
692 res = dmError(DMERR_INIT_FAIL,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
693 "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
694 png_ptr);
453
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
695 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
696 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
697
453
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
698 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
699 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
700 res = dmError(DMERR_INIT_FAIL,
1291
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
701 "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
702 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
703 }
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
704
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
705 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
706
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
707 // Read image information
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
708 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
709
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
710 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
711 &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
712
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
713 if (width < 1 || height < 1)
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
714 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
715 res = dmError(DMERR_INVALID_DATA,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
716 "PNG: Invalid width or height (%d x %d)\n",
453
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
717 width, height);
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
718 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
719 }
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
720
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
721 switch (color_type)
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
722 {
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
723 case PNG_COLOR_TYPE_GRAY:
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
724 if (bit_depth < 8)
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
725 png_set_expand_gray_1_2_4_to_8(png_ptr);
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
726
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
727 if (bit_depth > 8)
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
728 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
729 res = dmError(DMERR_NOT_SUPPORTED,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
730 "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
731 bit_depth);
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
732 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
733 }
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
734 break;
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
735
453
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
736 case PNG_COLOR_TYPE_PALETTE:
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
737 png_set_packing(png_ptr);
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
738 break;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
739
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
740 default:
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
741 res = dmError(DMERR_NOT_SUPPORTED,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
742 "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
743 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
744 }
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
745
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
746 // Allocate image
1287
32051ad352c8 Adjust debug messages and debug message levels in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1286
diff changeset
747 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
748 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
749
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
750 if ((*pimg = img = dmImageAlloc(width, height,
1801
0562dd55a1f6 s/DM_IFMT_/DM_COLFMT_/g
Matti Hamalainen <ccr@tnsp.org>
parents: 1800
diff changeset
751 DM_COLFMT_PALETTE,
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
752 // 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
753 -1 /* bit_depth */)) == NULL)
453
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
754 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
755 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
756 "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
757 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
758 }
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
759
1628
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
760 // Set image aspect ratio
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
761 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
762
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
763 if (res_x > 0 && res_y > 0 &&
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
764 res_y / res_x != (unsigned) (img->height / img->width))
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
765 img->aspect = (float) res_y / (float) res_x;
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
766
453
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
767 // ...
1938
a8e475eede4a Fix two memory leaks in the PNG writer/reader of libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1921
diff changeset
768 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
769 goto error;
a8e475eede4a Fix two memory leaks in the PNG writer/reader of libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1921
diff changeset
770
453
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
771 for (i = 0; i < img->height; i++)
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
772 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
773
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
774 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
775
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
776 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
777 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
778
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
779 // Create palette
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
780 switch (color_type)
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
781 {
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
782 case PNG_COLOR_TYPE_GRAY:
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
783 ncolors = 256;
1287
32051ad352c8 Adjust debug messages and debug message levels in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1286
diff changeset
784 dmMsg(2, "PNG: Generating %d color grayscale palette.\n", ncolors);
453
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
785
1655
a05e3fcc60ec Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1654
diff changeset
786 if (!dmImagePaletteAlloc(img, ncolors, -1))
453
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
787 {
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
788 res = DMERR_MALLOC;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
789 goto error;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
790 }
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
791
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
792 for (i = 0; i < img->ncolors; i++)
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
793 {
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
794 img->pal[i].r = img->pal[i].g = img->pal[i].b = i;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
795 }
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
796 break;
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
797
453
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
798 case PNG_COLOR_TYPE_PALETTE:
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
799 png_get_PLTE(png_ptr, info_ptr, &palette, &ncolors);
1287
32051ad352c8 Adjust debug messages and debug message levels in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1286
diff changeset
800 dmMsg(2, "PNG: Palette of %d colors found.\n", ncolors);
467
80d09ea85e75 Check for NULL pointers from png_get_tRNS and png_get_PLTE.
Matti Hamalainen <ccr@tnsp.org>
parents: 465
diff changeset
801 if (ncolors > 0 && palette != NULL)
453
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
802 {
1655
a05e3fcc60ec Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1654
diff changeset
803 if (!dmImagePaletteAlloc(img, ncolors, -1))
467
80d09ea85e75 Check for NULL pointers from png_get_tRNS and png_get_PLTE.
Matti Hamalainen <ccr@tnsp.org>
parents: 465
diff changeset
804 {
80d09ea85e75 Check for NULL pointers from png_get_tRNS and png_get_PLTE.
Matti Hamalainen <ccr@tnsp.org>
parents: 465
diff changeset
805 res = DMERR_MALLOC;
80d09ea85e75 Check for NULL pointers from png_get_tRNS and png_get_PLTE.
Matti Hamalainen <ccr@tnsp.org>
parents: 465
diff changeset
806 goto error;
80d09ea85e75 Check for NULL pointers from png_get_tRNS and png_get_PLTE.
Matti Hamalainen <ccr@tnsp.org>
parents: 465
diff changeset
807 }
453
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
808
467
80d09ea85e75 Check for NULL pointers from png_get_tRNS and png_get_PLTE.
Matti Hamalainen <ccr@tnsp.org>
parents: 465
diff changeset
809 for (i = 0; i < img->ncolors; i++)
80d09ea85e75 Check for NULL pointers from png_get_tRNS and png_get_PLTE.
Matti Hamalainen <ccr@tnsp.org>
parents: 465
diff changeset
810 {
80d09ea85e75 Check for NULL pointers from png_get_tRNS and png_get_PLTE.
Matti Hamalainen <ccr@tnsp.org>
parents: 465
diff changeset
811 img->pal[i].r = palette[i].red;
80d09ea85e75 Check for NULL pointers from png_get_tRNS and png_get_PLTE.
Matti Hamalainen <ccr@tnsp.org>
parents: 465
diff changeset
812 img->pal[i].g = palette[i].green;
80d09ea85e75 Check for NULL pointers from png_get_tRNS and png_get_PLTE.
Matti Hamalainen <ccr@tnsp.org>
parents: 465
diff changeset
813 img->pal[i].b = palette[i].blue;
80d09ea85e75 Check for NULL pointers from png_get_tRNS and png_get_PLTE.
Matti Hamalainen <ccr@tnsp.org>
parents: 465
diff changeset
814 }
453
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
815 }
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
816 break;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
817 }
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
818
460
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
819 if (color_type == PNG_COLOR_TYPE_PALETTE ||
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
820 color_type == PNG_COLOR_TYPE_GRAY)
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
821 {
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
822 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
823 if (trans != NULL && ntrans > 0)
460
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
824 {
467
80d09ea85e75 Check for NULL pointers from png_get_tRNS and png_get_PLTE.
Matti Hamalainen <ccr@tnsp.org>
parents: 465
diff changeset
825 for (i = 0; i < img->ncolors && i < ntrans; i++)
80d09ea85e75 Check for NULL pointers from png_get_tRNS and png_get_PLTE.
Matti Hamalainen <ccr@tnsp.org>
parents: 465
diff changeset
826 {
80d09ea85e75 Check for NULL pointers from png_get_tRNS and png_get_PLTE.
Matti Hamalainen <ccr@tnsp.org>
parents: 465
diff changeset
827 img->pal[i].a = trans[i];
80d09ea85e75 Check for NULL pointers from png_get_tRNS and png_get_PLTE.
Matti Hamalainen <ccr@tnsp.org>
parents: 465
diff changeset
828 if (img->ctransp < 0 && trans[i] == 0)
80d09ea85e75 Check for NULL pointers from png_get_tRNS and png_get_PLTE.
Matti Hamalainen <ccr@tnsp.org>
parents: 465
diff changeset
829 img->ctransp = i;
80d09ea85e75 Check for NULL pointers from png_get_tRNS and png_get_PLTE.
Matti Hamalainen <ccr@tnsp.org>
parents: 465
diff changeset
830 }
460
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
831 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
832 }
460
0af039b6c0ae Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 453
diff changeset
833
453
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
834 error:
1939
bc00373e5a90 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1938
diff changeset
835 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
836 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
837
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
838 return res;
349a2ff11531 Implement PNG (1-8bpp indexed) reading support via libPNG.
Matti Hamalainen <ccr@tnsp.org>
parents: 452
diff changeset
839 }
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
840 #endif
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
841
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
842
1613
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
843 //
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
844 // Z-Soft PCX format
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
845 //
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
846 #define DMPCX_PAL_COLORS 16 // Number of internal palette colors
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
847
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
848 typedef struct
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
849 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
850 Uint8 r,g,b;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
851 } DMPCXColor;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
852
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
853
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
854 typedef struct
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
855 {
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
856 Uint8 manufacturer, // always 0x0a
1288
6c8b19d1d196 More work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1287
diff changeset
857 version, // Z-Soft PC Paintbrush version:
6c8b19d1d196 More work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1287
diff changeset
858 // 0 = v2.5
6c8b19d1d196 More work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1287
diff changeset
859 // 2 = v2.8 with palette,
6c8b19d1d196 More work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1287
diff changeset
860 // 3 = v2.8 without palette
6c8b19d1d196 More work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1287
diff changeset
861 // 4 = PC Paintbrush for Windows
6c8b19d1d196 More work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1287
diff changeset
862 // 5 = v3.0 or better
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
863 encoding, // usually 0x01 = RLE, 0x00 = uncompressed
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
864 bitsPerPlane; // bits per pixel per plane
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
865
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
866 Uint16 xmin, ymin, xmax, ymax;
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
867 Uint16 hres, vres; // resolution in DPI, can be image dimensions as well.
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
868 DMPCXColor colorMap[DMPCX_PAL_COLORS];
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
869 Uint8 reserved; // should be set to 0
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
870 Uint8 nplanes; // number of planes
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
871 Uint16 bpl; // bytes per plane LINE
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
872 Uint16 palInfo; // 1 = color/BW, 2 = grayscale
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
873 Uint16 hScreenSize, vScreenSize;
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
874 Uint8 filler[54];
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
875 } DMPCXHeader;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
876
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
877
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
878 typedef struct
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
879 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
880 DMPCXHeader *header;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
881 Uint8 *buf;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
882 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
883 DMResource *fp;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
884 } DMPCXData;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
885
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
886
1613
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
887 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
888 {
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
889 if (len > 128 + 32 &&
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
890
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
891 (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
892 buf[2] == 1 &&
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
893 (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
894 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
895 return DM_PROBE_SCORE_GOOD;
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
896
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
897 return DM_PROBE_SCORE_FALSE;
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
898 }
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
899
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
900
1298
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
901 // Returns one byte from row buffer (of length len) at offset soffs,
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
902 // OR zero if the offset is outside buffer.
1301
e03f20d0f785 Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 1300
diff changeset
903 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
904 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
905 return (soffs < len) ? row[soffs] : 0;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
906 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
907
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
908 static BOOL dmPCXFlush(DMPCXData *pcx)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
909 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
910 BOOL ret = TRUE;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
911 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
912 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
913
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
914 pcx->bufOffs = 0;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
915 return ret;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
916 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
917
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
918 static inline BOOL dmPCXPutByte(DMPCXData *pcx, const Uint8 val)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
919 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
920 if (pcx->bufOffs < pcx->bufLen)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
921 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
922 pcx->buf[pcx->bufOffs++] = val;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
923 return TRUE;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
924 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
925 else
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
926 return dmPCXFlush(pcx);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
927 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
928
1297
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
929
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
930 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
931 {
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
932 if (count == 1 && (data & 0xC0) != 0xC0)
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
933 {
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
934 if (!dmPCXPutByte(pcx, data))
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
935 return DMERR_FWRITE;
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
936 }
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
937 else
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
938 {
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
939 if (!dmPCXPutByte(pcx, 0xC0 | count) ||
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
940 !dmPCXPutByte(pcx, data))
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
941 return DMERR_FWRITE;
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
942 }
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
943 return DMERR_OK;
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
944 }
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
945
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
946
1301
e03f20d0f785 Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 1300
diff changeset
947 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
948 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
949 DMPCXData *pcx = (DMPCXData *) cbdata;
1297
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
950 int err;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
951 size_t soffs = 0;
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
952
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
953 pcx->bufOffs = 0;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
954
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
955 for (int plane = 0; plane < pcx->header->nplanes; plane++)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
956 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
957 Uint8 data = dmPCXGetByte(row, len, soffs++),
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
958 count = 1;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
959
1297
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
960 size_t blen = pcx->header->bpl * pcx->header->nplanes;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
961 while (soffs < blen)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
962 {
1297
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
963 if (data == dmPCXGetByte(row, len, soffs) && count < 0x3F)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
964 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
965 count++;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
966 soffs++;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
967 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
968 else
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
969 {
1297
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
970 if ((err = dmPCXPutData(pcx, data, count)) != DMERR_OK)
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
971 return err;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
972
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
973 data = dmPCXGetByte(row, len, soffs++);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
974 count = 1;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
975 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
976 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
977
1297
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
978 if ((err = dmPCXPutData(pcx, data, count)) != DMERR_OK)
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
979 return err;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
980
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
981 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
982 return DMERR_FWRITE;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
983 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
984
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
985
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
986 return DMERR_OK;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
987 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
988
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
989
1886
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
990 int dmWritePCXImage(DMResource *fp, const DMImage *img, const DMImageConvSpec *pspec)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
991 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
992 DMPCXData pcx;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
993 DMPCXHeader hdr;
1303
be30466fbc47 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1302
diff changeset
994 DMImageConvSpec spec;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
995 int res;
1302
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents: 1301
diff changeset
996
1303
be30466fbc47 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1302
diff changeset
997 // Always force planar for PCX
1302
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents: 1301
diff changeset
998 memcpy(&spec, pspec, sizeof(DMImageConvSpec));
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents: 1301
diff changeset
999 spec.planar = TRUE;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1000
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
1001 // XXX: 24bit PCX does not work yet ..
2065
451980580189 Refactor how paletted/indexed formats are handled in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 2064
diff changeset
1002 if (spec.format != DM_COLFMT_PALETTE)
1800
45e7688336dc Fix checks for NULL palette in index/palette images. Also improve error
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
1003 {
45e7688336dc Fix checks for NULL palette in index/palette images. Also improve error
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
1004 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
1005 "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
1006 }
45e7688336dc Fix checks for NULL palette in index/palette images. Also improve error
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
1007
2065
451980580189 Refactor how paletted/indexed formats are handled in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 2064
diff changeset
1008 if (spec.format == DM_COLFMT_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
1009 {
45e7688336dc Fix checks for NULL palette in index/palette images. Also improve error
Matti Hamalainen <ccr@tnsp.org>
parents: 1730
diff changeset
1010 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
1011 "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
1012 }
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
1013
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1014 // Create output file
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1015 pcx.buf = NULL;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1016 pcx.header = &hdr;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1017 pcx.fp = fp;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1018
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1019 // Create PCX header
1167
848a88ce7a57 Use dmMemset().
Matti Hamalainen <ccr@tnsp.org>
parents: 1152
diff changeset
1020 dmMemset(&hdr, 0, sizeof(hdr));
2065
451980580189 Refactor how paletted/indexed formats are handled in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 2064
diff changeset
1021 if (spec.format == DM_COLFMT_PALETTE)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1022 {
2016
7114ea4c3c42 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1948
diff changeset
1023 const int ncolors = img->ncolors > DMPCX_PAL_COLORS ? DMPCX_PAL_COLORS : img->ncolors;
7114ea4c3c42 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1948
diff changeset
1024 for (int i = 0; i < ncolors; i++)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1025 {
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1026 hdr.colorMap[i].r = img->pal[i].r;
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1027 hdr.colorMap[i].g = img->pal[i].g;
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1028 hdr.colorMap[i].b = img->pal[i].b;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1029 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1030 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1031 hdr.manufacturer = 10;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1032 hdr.version = 5;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1033 hdr.encoding = 1;
1302
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents: 1301
diff changeset
1034 hdr.hres = img->width * spec.scaleX;
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents: 1301
diff changeset
1035 hdr.vres = img->height * spec.scaleY;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1036 hdr.xmin = hdr.ymin = 0;
1302
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents: 1301
diff changeset
1037 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
1038 hdr.ymax = (img->height * spec.scaleY) - 1;
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1039 hdr.palInfo = 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
1040 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
1041 hdr.vScreenSize = hdr.vres;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1042
1291
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1043 // TODO XXX .. maybe actually compute these asdf
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1044 hdr.bitsPerPlane = 8;
1302
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents: 1301
diff changeset
1045 hdr.nplanes = dmImageGetBytesPerPixel(spec.format);
1291
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1046
1302
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents: 1301
diff changeset
1047 res = img->width * spec.scaleX;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1048 hdr.bpl = res / 2;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1049 if (res % 2) hdr.bpl++;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1050 hdr.bpl *= 2;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1051
1297
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1052 dmMsg(2,
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1053 "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
1054 hdr.xmin, hdr.ymin, hdr.xmax, hdr.ymax,
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1055 hdr.hres, hdr.vres,
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1056 hdr.hScreenSize, hdr.vScreenSize);
5bd64397453b More work on PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1296
diff changeset
1057
2065
451980580189 Refactor how paletted/indexed formats are handled in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 2064
diff changeset
1058 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
1059 hdr.nplanes, hdr.bitsPerPlane, hdr.bpl,
2065
451980580189 Refactor how paletted/indexed formats are handled in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 2064
diff changeset
1060 spec.format,
1302
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents: 1301
diff changeset
1061 spec.planar ? "yes" : "no"
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents: 1301
diff changeset
1062 );
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1063
1291
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1064 // TODO XXX this is also bogus
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1065 pcx.bufLen = hdr.bpl * 4;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1066 if ((pcx.buf = dmMalloc(pcx.bufLen)) == NULL)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1067 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1068 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1069 "PCX: Could not allocate %d bytes for RLE compression buffer.\n",
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1070 pcx.bufLen);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1071 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1072 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1073
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1074 // 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
1075 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
1076 !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
1077 !dmf_write_byte(pcx.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
1078 !dmf_write_byte(pcx.fp, hdr.bitsPerPlane))
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1079 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1080 res = dmError(DMERR_FWRITE,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1081 "PCX: Could not write basic header data.\n");
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1082 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1083 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1084
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1085 if (!dmf_write_le16(pcx.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
1086 !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
1087 !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
1088 !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
1089 !dmf_write_le16(pcx.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
1090 !dmf_write_le16(pcx.fp, hdr.vres))
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1091 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1092 res = dmError(DMERR_FWRITE,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1093 "PCX: Could not write image dimensions.\n");
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1094 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1095 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1096
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1097 if (!dmf_write_str(pcx.fp, (Uint8 *) &hdr.colorMap, sizeof(hdr.colorMap)))
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1098 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1099 res = dmError(DMERR_FWRITE,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1100 "PCX: Could not write colormap.\n");
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1101 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1102 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1103
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1104 if (!dmf_write_byte(pcx.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
1105 !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
1106 !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
1107 !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
1108 !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
1109 !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
1110 !dmf_write_str(pcx.fp, (Uint8 *) &hdr.filler, sizeof(hdr.filler)))
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1111 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1112 res = dmError(DMERR_FWRITE,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1113 "PCX: Could not write header remainder.\n");
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1114 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1115 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1116
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1117 // Write image data
1302
38614c07c2e2 Now with "almost" working 24bit PCX output. Almost.
Matti Hamalainen <ccr@tnsp.org>
parents: 1301
diff changeset
1118 res = dmWriteImageData(img, (void *) &pcx, dmWritePCXRow, &spec);
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1119
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1120 // Write VGA palette
2065
451980580189 Refactor how paletted/indexed formats are handled in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 2064
diff changeset
1121 if (spec.format == DM_COLFMT_PALETTE)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1122 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1123 int i;
1294
9f2117f1584a Improve error checking in PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1292
diff changeset
1124 dmMsg(2, "PCX: Writing palette of %d active entries.\n", img->ncolors);
9f2117f1584a Improve error checking in PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1292
diff changeset
1125
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1126 dmf_write_byte(pcx.fp, 0x0C);
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1127
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1128 for (i = 0; i < img->ncolors; i++)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1129 {
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1130 if (!dmf_write_byte(pcx.fp, img->pal[i].r) ||
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1131 !dmf_write_byte(pcx.fp, img->pal[i].g) ||
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1132 !dmf_write_byte(pcx.fp, img->pal[i].b))
1294
9f2117f1584a Improve error checking in PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1292
diff changeset
1133 {
9f2117f1584a Improve error checking in PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1292
diff changeset
1134 res = dmError(DMERR_FWRITE,
9f2117f1584a Improve error checking in PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1292
diff changeset
1135 "PCX: Could not write palette data.\n");
9f2117f1584a Improve error checking in PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1292
diff changeset
1136 goto error;
9f2117f1584a Improve error checking in PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1292
diff changeset
1137 }
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1138 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1139
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1140 // Pad the palette, if necessary
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1141 for (; i < 256; i++)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1142 {
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1143 if (!dmf_write_byte(pcx.fp, 0) ||
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1144 !dmf_write_byte(pcx.fp, 0) ||
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1145 !dmf_write_byte(pcx.fp, 0))
1294
9f2117f1584a Improve error checking in PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1292
diff changeset
1146 {
9f2117f1584a Improve error checking in PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1292
diff changeset
1147 res = dmError(DMERR_FWRITE,
9f2117f1584a Improve error checking in PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1292
diff changeset
1148 "PCX: Could not write palette data.\n");
9f2117f1584a Improve error checking in PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1292
diff changeset
1149 goto error;
9f2117f1584a Improve error checking in PCX writer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1292
diff changeset
1150 }
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1151 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1152 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1153
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1154 error:
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1155 dmFree(pcx.buf);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1156 return res;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1157 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1158
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1159
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1160 static BOOL dmPCXDecodeRLERow(DMResource *fp, Uint8 *buf, const size_t bufLen)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1161 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1162 size_t offs = 0;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1163 do
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1164 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1165 int count;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1166 Uint8 data;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1167
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1168 if (!dmf_read_byte(fp, &data))
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1169 return FALSE;
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1170
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1171 if ((data & 0xC0) == 0xC0)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1172 {
1284
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1173 BOOL skip = FALSE;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1174 count = data & 0x3F;
1284
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1175 if (count == 0)
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1176 {
1285
e4bda4909d72 Make libgfx error mode a global variable, at least for now.
Matti Hamalainen <ccr@tnsp.org>
parents: 1284
diff changeset
1177 switch (dmGFXErrorMode)
1284
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1178 {
1285
e4bda4909d72 Make libgfx error mode a global variable, at least for now.
Matti Hamalainen <ccr@tnsp.org>
parents: 1284
diff changeset
1179 case DM_ERRMODE_RECOV_1:
1284
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1180 // Use as literal
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1181 skip = TRUE;
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1182 count = 1;
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1183 break;
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1184
1285
e4bda4909d72 Make libgfx error mode a global variable, at least for now.
Matti Hamalainen <ccr@tnsp.org>
parents: 1284
diff changeset
1185 case DM_ERRMODE_RECOV_2:
1284
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1186 // Ignore completely
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1187 skip = TRUE;
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1188 break;
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1189
1285
e4bda4909d72 Make libgfx error mode a global variable, at least for now.
Matti Hamalainen <ccr@tnsp.org>
parents: 1284
diff changeset
1190 case DM_ERRMODE_FAIL:
1284
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1191 default:
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1192 // Error out on "invalid" data
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1193 return FALSE;
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1194 }
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1195 }
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1196
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1197 if (!skip && !dmf_read_byte(fp, &data))
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1198 return FALSE;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1199 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1200 else
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1201 count = 1;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1202
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1203 while (count-- && offs < bufLen)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1204 buf[offs++] = data;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1205
1284
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1206 // 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
1207 if (count > 0 && dmGFXErrorMode == DM_ERRMODE_FAIL)
1284
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1208 return FALSE;
28be63226b05 More work on PCX loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1283
diff changeset
1209
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1210 } while (offs < bufLen);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1211
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1212 return TRUE;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1213 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1214
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1215
1886
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
1216 int dmReadPCXImage(DMResource *fp, DMImage **pimg)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1217 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1218 DMImage *img;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1219 DMPCXData pcx;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1220 DMPCXHeader hdr;
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1221 int res = 0;
1286
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1222 BOOL isPaletted;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1223 pcx.buf = NULL;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1224
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1225 // 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
1226 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
1227 !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
1228 !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
1229 !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
1230 !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
1231 !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
1232 !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
1233 !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
1234 !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
1235 !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
1236 !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
1237 !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
1238 !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
1239 !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
1240 !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
1241 !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
1242 !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
1243 !dmf_read_str(fp, (Uint8 *) &hdr.filler, sizeof(hdr.filler)))
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1244 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1245 res = dmError(DMERR_FREAD,
1298
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
1246 "PCX: Could not read image header data.\n");
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
1247 goto error;
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
1248 }
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
1249
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
1250 if (hdr.manufacturer != 10 ||
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
1251 hdr.version > 5 ||
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
1252 hdr.encoding != 1)
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
1253 {
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
1254 res = dmError(DMERR_NOT_SUPPORTED,
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
1255 "PCX: Not a PCX file, or unsupported variant.\n");
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1256 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1257 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1258
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
1259 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
1260 {
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
1261 dmMsg(2,
2078
b2f1ce24f81b Be more informative when attempting to figure out broken PCX file.
Matti Hamalainen <ccr@tnsp.org>
parents: 2071
diff changeset
1262 "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
1263 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
1264
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
1265 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
1266 }
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
1267
1295
7a986f33895e Fix isPaletted check in PCX reader :P
Matti Hamalainen <ccr@tnsp.org>
parents: 1294
diff changeset
1268 isPaletted = (hdr.bitsPerPlane * hdr.nplanes) <= 8;
1291
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1269
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1270 dmMsg(2,
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1271 "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
1272 hdr.xmin, hdr.ymin, hdr.xmax, hdr.ymax,
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1273 hdr.hres, hdr.vres,
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1274 hdr.hScreenSize, hdr.vScreenSize);
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1275
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1276 dmMsg(2,
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1277 "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
1278 hdr.nplanes, hdr.bitsPerPlane, hdr.bpl, isPaletted ? "yes" : "no");
2c4acbc3e7bf More work on libgfx etc.
Matti Hamalainen <ccr@tnsp.org>
parents: 1290
diff changeset
1279
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1280 if (hdr.nplanes < 1 || hdr.nplanes > 8)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1281 {
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1282 res = dmError(DMERR_NOT_SUPPORTED,
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1283 "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
1284 hdr.nplanes);
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1285 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1286 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1287
1286
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1288 if (!isPaletted)
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1289 {
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1290 res = dmError(DMERR_NOT_SUPPORTED,
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1291 "PCX: Non-indexed (truecolour) PCX images not supported for loading.\n");
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1292 goto error;
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1293 }
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1294
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1295 // Allocate image
1286
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1296 if ((*pimg = img = dmImageAlloc(hdr.xmax - hdr.xmin + 1, hdr.ymax - hdr.ymin + 1,
1801
0562dd55a1f6 s/DM_IFMT_/DM_COLFMT_/g
Matti Hamalainen <ccr@tnsp.org>
parents: 1800
diff changeset
1297 isPaletted ? DM_COLFMT_PALETTE : DM_COLFMT_RGBA,
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
1298 // 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
1299 // 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
1300 -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
1301 )) == NULL)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1302 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1303 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1304 "PCX: Could not allocate image structure.\n");
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1305 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1306 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1307
1628
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
1308 // Set image aspect ratio
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
1309 if (hdr.hScreenSize > 0 && hdr.vScreenSize > 0 &&
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
1310 hdr.vScreenSize / hdr.hScreenSize != img->height / img->width)
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
1311 img->aspect = (float) hdr.vScreenSize / (float) hdr.hScreenSize;
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
1312
1298
f0d6aac3adc4 Some cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1297
diff changeset
1313 // Sanity check bytes per line value
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1314 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
1315 {
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1316 res = dmError(DMERR_MALLOC,
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1317 "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
1318 hdr.bpl, (img->width * hdr.bitsPerPlane) / 8);
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1319 goto error;
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1320 }
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1321
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1322 pcx.bufLen = hdr.nplanes * hdr.bpl;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1323 if ((pcx.buf = dmMalloc(pcx.bufLen)) == NULL)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1324 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1325 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1326 "PCX: Could not allocate RLE buffer.\n");
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1327 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1328 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1329
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
1330 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
1331 "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
1332 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
1333
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1334 // Read image data
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1335 Uint8 *dp = img->data;
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1336 for (int yc = 0; yc < img->height; yc++)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1337 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1338 // 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
1339 if (!dmPCXDecodeRLERow(fp, pcx.buf, pcx.bufLen))
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1340 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1341 res = dmError(DMERR_INVALID_DATA,
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1342 "PCX: Error decoding RLE compressed data.\n");
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1343 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1344 }
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1345
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1346 // Decode bitplanes
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1347 switch (hdr.bitsPerPlane)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1348 {
1296
228cab109c6a More work on PCX reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1295
diff changeset
1349 case 32:
228cab109c6a More work on PCX reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1295
diff changeset
1350 case 24:
228cab109c6a More work on PCX reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1295
diff changeset
1351 case 16:
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1352 case 8:
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1353 {
1286
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1354 // Actually bytes and bits per plane per pixel ..
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1355 const int bytesPerPlane = hdr.bitsPerPlane / 8;
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1356
1286
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1357 for (int nplane = 0; nplane < hdr.nplanes; nplane++)
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1358 {
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1359 Uint8 *dptr = dp + (nplane * bytesPerPlane),
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1360 *sptr = pcx.buf + (hdr.bpl * nplane);
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1361
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1362 memcpy(dptr, sptr, img->width * bytesPerPlane);
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1363 }
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1364 }
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1365 break;
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1366
1280
300a51e98fc3 Bump version and copyright.
Matti Hamalainen <ccr@tnsp.org>
parents: 1279
diff changeset
1367 case 1:
1814
0b7062d874ef Use dmMemset() instead of memset().
Matti Hamalainen <ccr@tnsp.org>
parents: 1810
diff changeset
1368 dmMemset(dp, 0, img->width);
1296
228cab109c6a More work on PCX reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1295
diff changeset
1369
1280
300a51e98fc3 Bump version and copyright.
Matti Hamalainen <ccr@tnsp.org>
parents: 1279
diff changeset
1370 for (int nplane = 0; nplane < hdr.nplanes; nplane++)
300a51e98fc3 Bump version and copyright.
Matti Hamalainen <ccr@tnsp.org>
parents: 1279
diff changeset
1371 {
1296
228cab109c6a More work on PCX reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1295
diff changeset
1372 Uint8 *sptr = pcx.buf + (hdr.bpl * nplane);
1280
300a51e98fc3 Bump version and copyright.
Matti Hamalainen <ccr@tnsp.org>
parents: 1279
diff changeset
1373
300a51e98fc3 Bump version and copyright.
Matti Hamalainen <ccr@tnsp.org>
parents: 1279
diff changeset
1374 for (int xc = 0; xc < img->width; xc++)
1296
228cab109c6a More work on PCX reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1295
diff changeset
1375 {
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
1376 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
1377 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
1378 }
1280
300a51e98fc3 Bump version and copyright.
Matti Hamalainen <ccr@tnsp.org>
parents: 1279
diff changeset
1379 }
300a51e98fc3 Bump version and copyright.
Matti Hamalainen <ccr@tnsp.org>
parents: 1279
diff changeset
1380 break;
300a51e98fc3 Bump version and copyright.
Matti Hamalainen <ccr@tnsp.org>
parents: 1279
diff changeset
1381
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1382 default:
1285
e4bda4909d72 Make libgfx error mode a global variable, at least for now.
Matti Hamalainen <ccr@tnsp.org>
parents: 1284
diff changeset
1383 res = dmError(DMERR_NOT_SUPPORTED,
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1384 "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
1385 hdr.bitsPerPlane);
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1386 goto error;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1387 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1388
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1389 dp += img->pitch;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1390 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1391
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1392 // Read additional VGA palette, if available
1286
b812fad6f33e Work on libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1285
diff changeset
1393 if (isPaletted)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1394 {
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1395 int ncolors;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1396 Uint8 tmpb;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1397 BOOL read;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1398
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1399 if (!dmf_read_byte(fp, &tmpb) || tmpb != 0x0C)
435
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 read = FALSE;
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
1402 ncolors = DMPCX_PAL_COLORS;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1403 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1404 else
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1405 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1406 read = TRUE;
451
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
1407 ncolors = 256;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1408 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1409
1655
a05e3fcc60ec Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1654
diff changeset
1410 if (!dmImagePaletteAlloc(img, ncolors, -1))
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1411 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1412 res = dmError(DMERR_MALLOC,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1413 "PCX: Could not allocate palette data!\n");
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1414 goto error;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1415 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1416
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1417 if (read)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1418 {
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1419 // Okay, attempt to read the palette data
1296
228cab109c6a More work on PCX reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1295
diff changeset
1420 dmMsg(2, "PCX: Reading palette of %d colors\n", ncolors);
1655
a05e3fcc60ec Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1654
diff changeset
1421 if (!dmPaletteReadData(fp, img->pal, ncolors))
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1422 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1423 res = dmError(DMERR_FREAD,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1424 "PCX: Error reading palette.\n");
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1425 goto error;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1426 }
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 else
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1429 {
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1430 // 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
1431 // the header palette to our internal palette structure.
1296
228cab109c6a More work on PCX reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1295
diff changeset
1432 dmMsg(2, "PCX: Initializing palette from header of %d colors\n", ncolors);
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1433 for (int i = 0; i < (img->ncolors > DMPCX_PAL_COLORS ? DMPCX_PAL_COLORS : img->ncolors); i++)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1434 {
1279
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1435 img->pal[i].r = hdr.colorMap[i].r;
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1436 img->pal[i].g = hdr.colorMap[i].g;
0d3f5f44c0c4 Somewhat improve PCX read support in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 1265
diff changeset
1437 img->pal[i].b = hdr.colorMap[i].b;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1438 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1439 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1440 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1441
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1442 error:
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1443 dmFree(pcx.buf);
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1444 return res;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1445 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1446
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1447
1613
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1448 //
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1449 // IFF ILBM / PBM format
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1450 //
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1451 #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
1452 #define IFF_ID_ILBM 0x494C424D // "ILBM"
464
358776103ceb Add support for IFF PBMs.
Matti Hamalainen <ccr@tnsp.org>
parents: 462
diff changeset
1453 #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
1454 #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
1455 #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
1456 #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
1457 #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
1458 #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
1459 #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
1460
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1461 #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
1462 #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
1463 #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
1464 #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
1465
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1466 #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
1467 #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
1468
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
1469 #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
1470 #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
1471 #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
1472
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1473 typedef struct
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1474 {
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1475 Uint32 id;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1476 Uint32 size;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1477 int count;
1656
2de258f2eb2e Get rid of a basically redundant function in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1655
diff changeset
1478 char idStr[6];
1895
eb03869a10d3 Clean up the IFF reader and make it more robust.
Matti Hamalainen <ccr@tnsp.org>
parents: 1894
diff changeset
1479 off_t offs;
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1480 } DMIFFChunk;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1481
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1482
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1483 typedef struct
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1484 {
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1485 Uint16 w, h;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1486 Sint16 x, y;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1487 Uint8 nplanes;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1488 Uint8 masking;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1489 Uint8 compression;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1490 Uint8 pad1;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1491 Uint16 transp;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1492 Uint8 xasp, yasp;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1493 Sint16 pagew, pageh;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1494 } DMIFFBMHD;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1495
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1496
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
1497 typedef struct
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
1498 {
1810
c9197a038e8e Various cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1808
diff changeset
1499 DMIFFChunk chFORM, chBMHD, chCMAP, chBODY;
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
1500 DMIFFBMHD bmhd;
1810
c9197a038e8e Various cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1808
diff changeset
1501 Uint32 camg;
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
1502 int ncolors;
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
1503 DMColor *pal;
2053
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1504 Uint32 idsig;
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
1505 char *idstr;
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
1506 } DMIFF;
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
1507
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
1508
2068
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
1509 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
1510 {
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1511 if (len > 32 &&
2068
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
1512 DM_BE32_TO_NATIVE(*(Uint32 *) (buf + 0)) == IFF_ID_FORM &&
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
1513 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
1514 {
2063
bd109c0a7b88 Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2057
diff changeset
1515 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
1516 return DM_PROBE_SCORE_MAX;
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1517 else
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1518 return DM_PROBE_SCORE_GOOD;
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1519 }
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1520
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1521 return DM_PROBE_SCORE_FALSE;
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1522 }
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1523
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
1524
2068
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
1525 static int fmtProbeIFF_ILBM(const Uint8 *buf, const size_t len)
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
1526 {
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
1527 return fmtProbeIFF(buf, len, IFF_ID_ILBM);
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
1528 }
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
1529
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
1530
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
1531 static int fmtProbeIFF_PBM(const Uint8 *buf, const size_t len)
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
1532 {
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
1533 return fmtProbeIFF(buf, len, IFF_ID_PBM);
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
1534 }
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
1535
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
1536
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
1537 static int fmtProbeIFF_ACBM(const Uint8 *buf, const size_t len)
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
1538 {
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
1539 return fmtProbeIFF(buf, len, IFF_ID_ACBM);
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
1540 }
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
1541
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
1542
1657
2b6dbdd602b5 Split IFF chunk id string from id creation into separate function.
Matti Hamalainen <ccr@tnsp.org>
parents: 1656
diff changeset
1543 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
1544 {
2b6dbdd602b5 Split IFF chunk id string from id creation into separate function.
Matti Hamalainen <ccr@tnsp.org>
parents: 1656
diff changeset
1545 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
1546 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
1547 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
1548 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
1549 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
1550 }
2b6dbdd602b5 Split IFF chunk id string from id creation into separate function.
Matti Hamalainen <ccr@tnsp.org>
parents: 1656
diff changeset
1551
2b6dbdd602b5 Split IFF chunk id string from id creation into separate function.
Matti Hamalainen <ccr@tnsp.org>
parents: 1656
diff changeset
1552
1654
92656ad7f706 Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1641
diff changeset
1553 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
1554 {
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1555 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
1556 !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
1557 {
1654
92656ad7f706 Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1641
diff changeset
1558 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
1559 "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
1560 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1561 else
1656
2de258f2eb2e Get rid of a basically redundant function in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1655
diff changeset
1562 {
1895
eb03869a10d3 Clean up the IFF reader and make it more robust.
Matti Hamalainen <ccr@tnsp.org>
parents: 1894
diff changeset
1563 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
1564 dmMakeIFFChunkIDStr(chunk);
1654
92656ad7f706 Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1641
diff changeset
1565 return DMERR_OK;
1656
2de258f2eb2e Get rid of a basically redundant function in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1655
diff changeset
1566 }
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1567 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1568
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1569
1895
eb03869a10d3 Clean up the IFF reader and make it more robust.
Matti Hamalainen <ccr@tnsp.org>
parents: 1894
diff changeset
1570 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
1571 {
1901
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
1572 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
1573 size = chunk->size;
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
1574
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
1575 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
1576 {
1901
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
1577 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
1578 size, size + 1);
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
1579 size++;
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
1580 }
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1581
1901
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
1582 if (size > read)
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
1583 {
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
1584 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
1585 size - read, read, size);
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
1586
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
1587 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
1588 {
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1589 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
1590 "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
1591 }
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
1592 }
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1593
1901
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
1594 return DMERR_OK;
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
1595 }
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
1596
1656
2de258f2eb2e Get rid of a basically redundant function in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1655
diff changeset
1597
2053
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1598 static int dmCheckIFFChunk(DMIFFChunk *dest, const DMIFFChunk *chunk,
445
1d65efb29986 Simplify.
Matti Hamalainen <ccr@tnsp.org>
parents: 444
diff changeset
1599 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
1600 {
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1601 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
1602 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1603 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
1604 "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
1605 chunk->idStr);
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1606 }
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1607
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1608 dest->count++;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1609
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1610 if (chunk->size < minSize)
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1611 {
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1612 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
1613 "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
1614 chunk->idStr, chunk->size, minSize);
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1615 }
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1616
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1617 return DMERR_OK;
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1618 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1619
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1620
2055
6c6a4ea67540 Make two functions static and one not.
Matti Hamalainen <ccr@tnsp.org>
parents: 2054
diff changeset
1621 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
1622 {
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
1623 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
1624 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
1625 {
1905
425259977bc5 Don't use signed arithmatic in IFF ByteRun1 decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1904
diff changeset
1626 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
1627
1905
425259977bc5 Don't use signed arithmatic in IFF ByteRun1 decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1904
diff changeset
1628 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
1629 return FALSE;
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1630
1905
425259977bc5 Don't use signed arithmatic in IFF ByteRun1 decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1904
diff changeset
1631 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
1632 {
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1633 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
1634 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
1635 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
1636 else
1905
425259977bc5 Don't use signed arithmatic in IFF ByteRun1 decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1904
diff changeset
1637 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
1638 {
1905
425259977bc5 Don't use signed arithmatic in IFF ByteRun1 decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1904
diff changeset
1639 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
1640 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
1641 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
1642
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
1643 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
1644 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
1645 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
1646 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
1647 {
1905
425259977bc5 Don't use signed arithmatic in IFF ByteRun1 decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1904
diff changeset
1648 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
1649 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
1650 {
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1651 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
1652 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
1653
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
1654 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
1655 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
1656 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
1657 } 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
1658
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
1659 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
1660 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
1661
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
1662
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1663 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
1664 {
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
1665 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
1666 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
1667 else
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1668 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
1669 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
1670
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
1671
1622
009a3e3c54bf Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1621
diff changeset
1672 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
1673 {
dacf4c2f7a86 Remove slight code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents: 1618
diff changeset
1674 return (buf[xc / 8] >> (7 - (xc & 7))) & 1;
dacf4c2f7a86 Remove slight code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents: 1618
diff changeset
1675 }
dacf4c2f7a86 Remove slight code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents: 1618
diff changeset
1676
dacf4c2f7a86 Remove slight code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents: 1618
diff changeset
1677
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1678 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
1679 {
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1680 Uint8 *buf = NULL;
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1681 size_t bufLen = 0;
1618
4c96181c9c09 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1616
diff changeset
1682 int res = DMERR_OK;
1659
99b8ab61dc1b Micro-optimization.
Matti Hamalainen <ccr@tnsp.org>
parents: 1658
diff changeset
1683 const int nplanes = iff->bmhd.nplanes;
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1684
2053
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1685 if (iff->idsig == IFF_ID_ILBM)
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1686 {
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1687 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
1688 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
1689
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1690 }
2053
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1691 else
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1692 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
1693 {
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
1694 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
1695 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
1696 }
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1697
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1698 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
1699 return DMERR_MALLOC;
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1700
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
1701 // Decode the chunk
2053
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1702 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
1703 {
2081
a14286e2710e Initialize the destination image data in case of IFF ACBM loading.
Matti Hamalainen <ccr@tnsp.org>
parents: 2078
diff changeset
1704 // 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
1705 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
1706
2053
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1707 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
1708 {
2069
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
1709 // Decompress or read data
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
1710 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
1711 {
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1712 res = dmError(DMERR_FREAD,
2069
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
1713 "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
1714 plane);
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1715 goto out;
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1716 }
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1717
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1718 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
1719 {
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1720 Uint8 *dp = img->data + (yc * img->pitch);
2067
430c010d97c1 Fix hardcoding in ACBM decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2065
diff changeset
1721 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
1722 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
1723 {
2067
430c010d97c1 Fix hardcoding in ACBM decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2065
diff changeset
1724 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
1725 }
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1726 }
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1727 }
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1728 }
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1729 else
1618
4c96181c9c09 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1616
diff changeset
1730 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
1731 {
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
1732 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
1733
2053
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1734 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
1735 {
1907
571109a14967 Add some more informative messages in IFF loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1906
diff changeset
1736 // Clear planar decoding buffer
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1737 dmMemset(dp, 0, img->pitch);
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1738
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1739 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
1740 {
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1741 // Decompress or read data
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1742 if (!dmIFFReadOneRow(fp, iff, buf, bufLen))
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1743 {
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1744 res = dmError(DMERR_FREAD,
2069
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
1745 "IFF: Error in reading ILBM image plane #%d @ %d.\n",
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1746 plane, yc);
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1747 goto out;
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1748 }
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1749
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1750 // Decode bitplane
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1751 for (int xc = 0; xc < img->width; xc++)
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1752 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
1753 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
1754
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1755 // Read mask data
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1756 if (iff->bmhd.masking == IFF_MASK_HAS_MASK)
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1757 {
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1758 // Decompress or read data
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1759 if (!dmIFFReadOneRow(fp, iff, buf, bufLen))
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1760 {
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1761 res = dmError(DMERR_FREAD,
2069
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
1762 "IFF: Error in reading ILBM mask plane.\n");
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1763 goto out;
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1764 }
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
1765
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1766 // Decode mask
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1767 for (int xc = 0; xc < img->width; xc++)
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1768 {
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1769 const Uint8 data = dmDecodeBit(buf, xc);
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1770
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1771 // Black out any pixels with mask bit 0
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1772 if (!data)
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1773 dp[xc] = img->ctransp < 0 ? 0 : img->ctransp;
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1774 }
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1775 }
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1776 }
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1777 else
2053
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1778 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
1779 {
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1780 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
1781 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1782 res = dmError(DMERR_FREAD,
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1783 "IFF: Error reading PBM image row #%d.\n", yc);
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1784 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
1785 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
1786 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
1787 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
1788
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1789 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
1790 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
1791 return res;
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
1792 }
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
1793
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
1794
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
1795 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
1796 {
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
1797 DMIFFChunk chunk;
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
1798 DMIFF iff;
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1799 BOOL parsed = FALSE;
1627
d0e626e039bf Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1626
diff changeset
1800 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
1801
1167
848a88ce7a57 Use dmMemset().
Matti Hamalainen <ccr@tnsp.org>
parents: 1152
diff changeset
1802 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
1803
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1804 // Read IFF FORM header
1654
92656ad7f706 Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1641
diff changeset
1805 if ((res = dmReadIFFChunkHdr(fp, &chunk)) != DMERR_OK)
92656ad7f706 Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1641
diff changeset
1806 return res;
92656ad7f706 Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1641
diff changeset
1807
92656ad7f706 Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1641
diff changeset
1808 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
1809 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1810 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
1811 "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
1812 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
1813 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1814
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
1815 // 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
1816 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
1817 (iff.idsig != IFF_ID_ILBM &&
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1818 iff.idsig != IFF_ID_PBM &&
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1819 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
1820 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1821 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
1822 "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
1823 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1824
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
1825 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
1826 iff.idsig == IFF_ID_ILBM ? "ILBM" :
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
1827 (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
1828 chunk.size);
1907
571109a14967 Add some more informative messages in IFF loader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1906
diff changeset
1829
1609
c29adf5ce240 Convert libgfx file format routines to use DMResource instead of stdio FILE.
Matti Hamalainen <ccr@tnsp.org>
parents: 1583
diff changeset
1830 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
1831 {
1895
eb03869a10d3 Clean up the IFF reader and make it more robust.
Matti Hamalainen <ccr@tnsp.org>
parents: 1894
diff changeset
1832 // Read chunk header
1654
92656ad7f706 Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1641
diff changeset
1833 if ((res = dmReadIFFChunkHdr(fp, &chunk)) != DMERR_OK)
92656ad7f706 Improve IFF reader error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1641
diff changeset
1834 return res;
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1835
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1836 switch (chunk.id)
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1837 {
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1838 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
1839 // 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
1840 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
1841 return res;
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1842
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
1843 // 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
1844 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
1845 !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
1846 !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
1847 !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
1848 !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
1849 !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
1850 !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
1851 !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
1852 !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
1853 !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
1854 !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
1855 !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
1856 !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
1857 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1858 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
1859 "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
1860 }
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1861
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
1862 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
1863 iff.bmhd.w, iff.bmhd.h, iff.bmhd.x, iff.bmhd.y,
1655
a05e3fcc60ec Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1654
diff changeset
1864 iff.bmhd.nplanes, iff.bmhd.compression, iff.bmhd.masking,
a05e3fcc60ec Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1654
diff changeset
1865 iff.bmhd.transp);
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1866
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
1867 // 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
1868 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
1869 (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
1870 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
1871 (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
1872 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
1873 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
1874 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1875 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
1876 "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
1877 }
2069
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
1878
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
1879 if (iff.idsig == IFF_ID_ACBM &&
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
1880 iff.bmhd.compression != IFF_COMP_NONE)
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
1881 {
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
1882 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
1883 iff.bmhd.compression);
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
1884
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
1885 iff.bmhd.compression = IFF_COMP_NONE;
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
1886 }
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1887 break;
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
1888
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1889
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1890 case IFF_ID_CMAP:
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1891 // 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
1892 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
1893 return res;
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1894
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1895 // Check for sanity
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1896 if (chunk.size % 3 != 0)
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1897 {
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1898 // Non-fatal
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1899 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
1900 "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
1901 }
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1902
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
1903 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
1904 dmMsg(2, "IFF: CMAP %d entries (%d bytes)\n",
1624
9a8395b56d1a Remove unused message argument.
Matti Hamalainen <ccr@tnsp.org>
parents: 1623
diff changeset
1905 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
1906
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
1907 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
1908 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
1909
451
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
1910 // Read palette
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
1911 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
1912 {
461
c7a3aacbd55e Implement transparent color in IFF ILBM reader and ctransp setting in PNG reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 460
diff changeset
1913 if (!dmPaletteAlloc(&iff.pal, iff.ncolors,
c7a3aacbd55e Implement transparent color in IFF ILBM reader and ctransp setting in PNG reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 460
diff changeset
1914 (iff.bmhd.masking == IFF_MASK_TRANSP) ? iff.bmhd.transp : -1))
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1915 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1916 return dmError(DMERR_MALLOC,
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
1917 "IFF: Could not allocate palette data.\n");
451
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
1918 }
1655
a05e3fcc60ec Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1654
diff changeset
1919 if (!dmPaletteReadData(fp, iff.pal, iff.ncolors))
451
fdc91f2a0d27 Modularize palette reading and handling code.
Matti Hamalainen <ccr@tnsp.org>
parents: 449
diff changeset
1920 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1921 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
1922 "IFF: Error reading CMAP.\n");
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1923 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1924 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1925
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
1926 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
1927 parsed = TRUE;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1928 break;
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1929
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1930 case IFF_ID_BODY:
2053
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1931 case IFF_ID_ABIT:
1621
9aaa8ee24626 Fix a comment.
Matti Hamalainen <ccr@tnsp.org>
parents: 1620
diff changeset
1932 // 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
1933 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
1934 return res;
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1935
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
1936 // Check for sanity
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
1937 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
1938 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1939 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
1940 "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
1941 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1942
2053
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
1943 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
1944
1626
1793fc1496da Remove some code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents: 1625
diff changeset
1945 // Allocate image
1793fc1496da Remove some code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents: 1625
diff changeset
1946 if ((*pimg = dmImageAlloc(iff.bmhd.w, iff.bmhd.h,
1801
0562dd55a1f6 s/DM_IFMT_/DM_COLFMT_/g
Matti Hamalainen <ccr@tnsp.org>
parents: 1800
diff changeset
1947 iff.bmhd.nplanes <= 8 ? DM_COLFMT_PALETTE : DM_COLFMT_RGBA,
1626
1793fc1496da Remove some code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents: 1625
diff changeset
1948 // 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
1949 //iff->bmhd.nplanes <= 8 ? iff->bmhd.nplanes : -1
1793fc1496da Remove some code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents: 1625
diff changeset
1950 -1
1793fc1496da Remove some code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents: 1625
diff changeset
1951 )) == NULL)
1793fc1496da Remove some code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents: 1625
diff changeset
1952 return DMERR_MALLOC;
1793fc1496da Remove some code duplication.
Matti Hamalainen <ccr@tnsp.org>
parents: 1625
diff changeset
1953
1628
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
1954 // Set image aspect ratio
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
1955 if (iff.bmhd.xasp > 0 && iff.bmhd.yasp > 0)
a549d33d543a Add image aspect ratio information.
Matti Hamalainen <ccr@tnsp.org>
parents: 1627
diff changeset
1956 (*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
1957
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
1958 // Decode the body
1903
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1959 if ((res = dmDecodeIFFBody(fp, &iff, *pimg)) != DMERR_OK)
8ad98bc7402c Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1902
diff changeset
1960 return res;
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
1961
1895
eb03869a10d3 Clean up the IFF reader and make it more robust.
Matti Hamalainen <ccr@tnsp.org>
parents: 1894
diff changeset
1962 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
1963 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
1964
444
7d588807f91d Clean up the IFF parser a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 443
diff changeset
1965 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
1966 parsed = TRUE;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1967 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
1968
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
1969 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
1970 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
1971 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1972 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
1973 "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
1974 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1975
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
1976 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
1977
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
1978 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
1979 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1980 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
1981 "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
1982 }
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 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
1984
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
1985
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1986 default:
1901
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
1987 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
1988 chunk.idStr, chunk.size);
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1989
1901
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
1990 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
1991 {
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
1992 return dmError(DMERR_FSEEK,
636d3c8bcd35 Fix uneven chunk size handling in IFF reader.
Matti Hamalainen <ccr@tnsp.org>
parents: 1900
diff changeset
1993 "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
1994 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1995 break;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
1996 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
1997
1895
eb03869a10d3 Clean up the IFF reader and make it more robust.
Matti Hamalainen <ccr@tnsp.org>
parents: 1894
diff changeset
1998 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
1999 return res;
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2000 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2001
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
2002 // Check if we should have a palette
2019
e809e323fdde Check for NULL pointer.
Matti Hamalainen <ccr@tnsp.org>
parents: 2016
diff changeset
2003 if (*pimg != NULL && (*pimg)->format == DM_COLFMT_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
2004 {
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
2005 // Check that we DO have a palette ..
5790b52c339e Check that we have a CMAP/palette for IFF images that should have it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1945
diff changeset
2006 if (iff.pal == NULL || iff.ncolors == 0)
5790b52c339e Check that we have a CMAP/palette for IFF images that should have it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1945
diff changeset
2007 {
5790b52c339e Check that we have a CMAP/palette for IFF images that should have it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1945
diff changeset
2008 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
2009 "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
2010 }
5790b52c339e Check that we have a CMAP/palette for IFF images that should have it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1945
diff changeset
2011
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
2012 // 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
2013 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
2014 {
834
9623b9b548d4 Reallocation fixes.
Matti Hamalainen <ccr@tnsp.org>
parents: 812
diff changeset
2015 void *ptmp;
2053
6dfbe976d740 Implement basic initial support for IFF ACBM format images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2050
diff changeset
2016 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
2017 {
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
2018 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
2019 }
834
9623b9b548d4 Reallocation fixes.
Matti Hamalainen <ccr@tnsp.org>
parents: 812
diff changeset
2020
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
2021 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
2022 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 930
diff changeset
2023 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
2024 "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
2025 }
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
2026
834
9623b9b548d4 Reallocation fixes.
Matti Hamalainen <ccr@tnsp.org>
parents: 812
diff changeset
2027 if ((ptmp = dmRealloc(iff.pal, sizeof(DMColor) * iff.ncolors * 2)) == NULL)
9623b9b548d4 Reallocation fixes.
Matti Hamalainen <ccr@tnsp.org>
parents: 812
diff changeset
2028 {
9623b9b548d4 Reallocation fixes.
Matti Hamalainen <ccr@tnsp.org>
parents: 812
diff changeset
2029 dmFree(iff.pal);
9623b9b548d4 Reallocation fixes.
Matti Hamalainen <ccr@tnsp.org>
parents: 812
diff changeset
2030 iff.pal = NULL;
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
2031 return DMERR_MALLOC;
834
9623b9b548d4 Reallocation fixes.
Matti Hamalainen <ccr@tnsp.org>
parents: 812
diff changeset
2032 }
9623b9b548d4 Reallocation fixes.
Matti Hamalainen <ccr@tnsp.org>
parents: 812
diff changeset
2033 else
9623b9b548d4 Reallocation fixes.
Matti Hamalainen <ccr@tnsp.org>
parents: 812
diff changeset
2034 iff.pal = ptmp;
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
2035
1627
d0e626e039bf Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1626
diff changeset
2036 for (int i = 0; i < iff.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
2037 {
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
2038 int i2 = iff.ncolors + i;
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
2039 iff.pal[i2].r = iff.pal[i].r / 2;
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
2040 iff.pal[i2].g = iff.pal[i].g / 2;
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
2041 iff.pal[i2].b = iff.pal[i].b / 2;
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
2042 }
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
2043 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
2044
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
2045 (*pimg)->ncolors = iff.ncolors;
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
2046 (*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
2047 }
0e27860ddcfe Finish initial implementation of IFF ILBM loader. And whoa .. it seems to be working.
Matti Hamalainen <ccr@tnsp.org>
parents: 445
diff changeset
2048
443
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2049 return res;
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2050 }
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2051
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2052
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
2053 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
2054 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2055 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
2056 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
2057 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
2058
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2059 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
2060 !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
2061 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2062 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
2063 "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
2064 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
2065 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2066 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
2067 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
2068 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2069
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2070
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2071 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
2072 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2073 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
2074 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
2075 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
2076
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2077 chunk->size = curr - chunk->offs - (sizeof(Uint32) * 2);
1900
8c6040d5b930 Fix IFF chunk padding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1899
diff changeset
2078 if (chunk->size & 1)
8c6040d5b930 Fix IFF chunk padding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1899
diff changeset
2079 {
2020
57a2527ff63d Fix IFF chunk padding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2019
diff changeset
2080 dmMsg(3, "Padding chunk ID '%s', size %d ++\n",
57a2527ff63d Fix IFF chunk padding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2019
diff changeset
2081 chunk->idStr, chunk->size);
57a2527ff63d Fix IFF chunk padding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2019
diff changeset
2082
1900
8c6040d5b930 Fix IFF chunk padding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1899
diff changeset
2083 if (!dmf_write_byte(fp, 0))
8c6040d5b930 Fix IFF chunk padding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1899
diff changeset
2084 return dmferror(fp);
8c6040d5b930 Fix IFF chunk padding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1899
diff changeset
2085
2020
57a2527ff63d Fix IFF chunk padding.
Matti Hamalainen <ccr@tnsp.org>
parents: 2019
diff changeset
2086 curr++;
1900
8c6040d5b930 Fix IFF chunk padding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1899
diff changeset
2087 }
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
2088
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2089 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
2090 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
2091
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2092 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
2093 !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
2094 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2095 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
2096 "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
2097 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
2098 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2099
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2100 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
2101 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
2102
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2103 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
2104 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2105
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2106
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2107 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
2108 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2109 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
2110 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
2111 };
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2112
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2113
2055
6c6a4ea67540 Make two functions static and one not.
Matti Hamalainen <ccr@tnsp.org>
parents: 2054
diff changeset
2114 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
2115 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
2116 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
2117 {
2050
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2118 if (count <= 0)
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2119 return TRUE;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2120
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2121 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
2122
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2123 return
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2124 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
2125 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
2126 }
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2127
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2128
2055
6c6a4ea67540 Make two functions static and one not.
Matti Hamalainen <ccr@tnsp.org>
parents: 2054
diff changeset
2129 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
2130 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
2131 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
2132 {
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2133 if (count <= 0)
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2134 return TRUE;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2135
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2136 Uint8
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2137 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
2138 data = buf[offs];
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2139
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2140 return
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2141 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
2142 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
2143 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2144
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2145
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2146 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
2147 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2148 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
2149 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
2150 BOOL ret = TRUE;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2151
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2152 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
2153 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2154 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
2155 BOOL flush = FALSE;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2156 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
2157
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2158 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
2159 {
2050
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2160 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
2161 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
2162 {
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2163 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
2164 mode = DMODE_RLE;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2165 }
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
2166 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2167 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
2168 {
2050
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2169 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
2170 {
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2171 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
2172 mode = DMODE_LIT;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2173 l_offs = offs;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2174 }
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2175 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
2176 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2177
2050
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2178 if (!ret)
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2179 goto out;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2180
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2181 // 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
2182 flush =
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2183 (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
2184 (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
2185
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2186 // 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
2187 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
2188 {
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2189 offs++;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2190 flush = TRUE;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2191 pmode = mode;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2192 }
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2193
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2194 if (flush)
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2195 {
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2196 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
2197 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
2198 else
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2199 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
2200
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2201 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
2202 mode = DMODE_LIT;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2203
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2204 if (!ret)
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2205 goto out;
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2206 }
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2207
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
2208 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
2209 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2210
2050
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2211 out:
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2212 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
2213 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2214
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2215
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2216 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
2217 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2218 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
2219 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
2220 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
2221 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
2222 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2223
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2224
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2225 int dmWriteIFFImage(DMResource *fp, const DMImage *img, const DMImageConvSpec *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
2226 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2227 DMIFF iff;
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2228 Uint8 *buf = NULL;
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2229 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
2230 int res = DMERR_OK;
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2231
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2232 // XXX: Non-paletted IFF not supported!
2065
451980580189 Refactor how paletted/indexed formats are handled in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 2064
diff changeset
2233 if (spec->format != DM_COLFMT_PALETTE)
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
2234 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2235 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
2236 "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
2237 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2238
2065
451980580189 Refactor how paletted/indexed formats are handled in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 2064
diff changeset
2239 switch (spec->fmtid)
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2240 {
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2241 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
2242 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
2243 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
2244 default:
451980580189 Refactor how paletted/indexed formats are handled in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 2064
diff changeset
2245 return dmError(DMERR_NOT_SUPPORTED,
451980580189 Refactor how paletted/indexed formats are handled in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 2064
diff changeset
2246 "Invalid IFF format.\n");
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2247 }
2026
b137d324e13f Force 8 bitplanes for IFF PBM images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2025
diff changeset
2248
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
2249 // 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
2250 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
2251 iff.bmhd.y = 0;
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2252 iff.bmhd.w = img->width * spec->scaleX;
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2253 iff.bmhd.h = img->height * spec->scaleY;
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2254 iff.bmhd.pagew = img->width * spec->scaleX;
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2255 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
2256 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
2257 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
2258 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
2259
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2260 iff.camg = 0; // XXX TODO: when/if HAM support
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2261 iff.bmhd.masking = (img->ctransp < 0) ? IFF_MASK_NONE : spec->mask;
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2262 iff.bmhd.transp = (img->ctransp >= 0 && spec->mask == IFF_MASK_TRANSP) ? img->ctransp : 0xffff;
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2263 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
2264
2069
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2265 // Apparently ACBM can't/should not use compression .. even though
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2266 // 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
2267 // actually compressed.) To be more compliant with the spec,
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2268 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
2269
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
2270 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
2271 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
2272
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2273 // 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
2274 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
2275 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
2276
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2277 // 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
2278 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
2279 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2280 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
2281 "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
2282 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
2283 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
2284 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2285
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2286 // 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
2287 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
2288 !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
2289 !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
2290 !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
2291 !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
2292 !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
2293 !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
2294 !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
2295 !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
2296 !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
2297 !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
2298 !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
2299 !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
2300 !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
2301 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2302 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
2303 "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
2304 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
2305 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2306
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2307 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
2308 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
2309
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2310 //
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2311 // 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
2312 //
2065
451980580189 Refactor how paletted/indexed formats are handled in libgfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 2064
diff changeset
2313 if (img->ncolors > 0 && spec->format == DM_COLFMT_PALETTE)
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
2314 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2315 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
2316 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
2317
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2318 for (int i = 0; i < img->ncolors; i++)
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2319 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2320 DMColor *col = &img->pal[i];
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2321 if (!dmf_write_byte(fp, col->r) ||
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2322 !dmf_write_byte(fp, col->g) ||
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2323 !dmf_write_byte(fp, col->b))
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2324 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2325 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
2326 "IFF: Could not write CMAP palette entry #%d.\n", i);
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2327 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
2328 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2329 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2330
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2331 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
2332 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
2333
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2334 dmMsg(2, "IFF: CMAP %d entries (%d bytes)\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
2335 img->ncolors, iff.chCMAP.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
2336 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2337
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2338 //
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2339 // 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
2340 //
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2341 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
2342 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
2343
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2344 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
2345 {
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2346 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
2347 "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
2348 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2349
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2350 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
2351 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
2352
2050
416af5a842ec Fixes to the ByteRun1 encoder. Could use some cleanups now, tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 2049
diff changeset
2353
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
2354 //
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2355 // 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
2356 //
2069
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2357 if ((res = dmWriteIFFChunkHdr(fp, &iff.chBODY,
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2358 (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
2359 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
2360
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2361 // Allocate encoding buffer
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2362 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
2363 bufLen = ((img->width * spec->scaleX + 15) / 16) * 2;
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2364 else
2069
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2365 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
2366 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
2367 else
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2368 bufLen = img->width * spec->scaleX;
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2369
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2370 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
2371
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2372 if ((buf = dmMalloc(bufLen)) == NULL)
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2373 return DMERR_MALLOC;
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2374
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2375 // Encode the body
2069
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2376 if (iff.idsig == IFF_ID_ACBM)
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2377 {
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2378 for (int plane = 0; plane < iff.bmhd.nplanes; plane++)
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2379 {
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2380 // Encode bitplane
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2381 dmMemset(buf, 0, bufLen);
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2382
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2383 for (int yc = 0; yc < img->height * spec->scaleY; yc++)
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2384 {
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2385 Uint8 *sp = img->data + (yc * img->pitch);
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2386 Uint8 *dp = buf + (yc * img->width * spec->scaleX) / 8;
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2387 for (int xc = 0; xc < img->width * spec->scaleX; xc++)
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2388 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
2389 }
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2390
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2391 if (!dmIFFWriteOneRow(fp, &iff, buf, bufLen))
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2392 {
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2393 res = dmError(DMERR_FWRITE,
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2394 "IFF: Error writing ACBM image plane %d.\n",
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2395 plane);
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2396 goto out;
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2397 }
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2398 }
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2399 }
83a3d05b5c1d Fixes to ACBM support.
Matti Hamalainen <ccr@tnsp.org>
parents: 2068
diff changeset
2400 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
2401 {
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2402 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
2403 for (int yscale = 0; yscale < spec->scaleY; yscale++)
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2404 {
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2405 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
2406
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2407 if (iff.idsig == IFF_ID_ILBM)
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2408 {
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2409 for (int plane = 0; plane < spec->nplanes; plane++)
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2410 {
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2411 // Encode bitplane
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2412 dmMemset(buf, 0, bufLen);
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2413
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2414 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
2415 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
2416
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2417 // Compress / write data
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2418 if (!dmIFFWriteOneRow(fp, &iff, buf, bufLen))
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2419 {
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2420 res = dmError(DMERR_FWRITE,
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2421 "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
2422 plane, yc);
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2423 goto out;
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2424 }
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2425 }
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2426
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2427 // Write mask data, if any
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2428 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
2429 {
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2430 dmMemset(buf, 0, bufLen);
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2431
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2432 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
2433 buf[xc / 8] |= (sp[xc / spec->scaleX] == img->ctransp) << (7 - (xc & 7));
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2434
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2435 if (!dmIFFWriteOneRow(fp, &iff, buf, bufLen))
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2436 {
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2437 res = dmError(DMERR_FWRITE,
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2438 "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
2439 goto out;
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2440 }
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2441 }
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2442 }
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2443 else
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2444 {
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2445 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
2446 buf[xc] = sp[xc / spec->scaleX];
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2447
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2448 if (!dmIFFWriteOneRow(fp, &iff, buf, bufLen))
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2449 {
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2450 res = dmError(DMERR_FWRITE,
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2451 "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
2452 goto out;
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2453 }
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2454 }
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2455 }
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
2456 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2457
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2458 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
2459 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
2460
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2461 // 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
2462 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
2463 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
2464
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2465 out:
1904
5930ff7879b5 Cleanup IFF writer a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1903
diff changeset
2466 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
2467 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
2468 }
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2469
f80b2dc77c30 Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
Matti Hamalainen <ccr@tnsp.org>
parents: 1895
diff changeset
2470
1613
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
2471 //
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
2472 // List of formats
70b04c16aa40 Move format probe functions near to their other functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1609
diff changeset
2473 //
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
2474 const DMImageFormat dmImageFormatList[] =
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2475 {
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
2476 #ifdef DM_USE_LIBPNG
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2477 {
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
2478 "png", "Portable Network Graphics",
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
2479 DM_IMGFMT_PNG, DM_FMT_RDWR,
1886
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
2480 fmtProbePNG, dmReadPNGImage, dmWritePNGImage,
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
2481 },
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2482 #endif
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2483 {
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
2484 "ppm", "Portable PixMap",
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
2485 DM_IMGFMT_PPM, DM_FMT_WR,
1886
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
2486 NULL, NULL, dmWritePPMImage,
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2487 },
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2488 {
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
2489 "pcx", "Z-Soft Paintbrush",
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
2490 DM_IMGFMT_PCX, DM_FMT_RDWR,
1886
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
2491 fmtProbePCX, dmReadPCXImage, dmWritePCXImage,
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2492 },
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2493 {
2071
3dac7a781317 s/"lbm"/"ilbm"/
Matti Hamalainen <ccr@tnsp.org>
parents: 2069
diff changeset
2494 "ilbm", "IFF ILBM (interleaved/old DP2)",
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2495 DM_IMGFMT_IFF_ILBM, DM_FMT_RDWR,
2068
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2496 fmtProbeIFF_ILBM, dmReadIFFImage, dmWriteIFFImage,
2064
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2497 },
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2498 {
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2499 "pbm", "IFF PBM (DP2e)",
3617ef01c1de Separate ILBM and PBM subformats of IFF images.
Matti Hamalainen <ccr@tnsp.org>
parents: 2063
diff changeset
2500 DM_IMGFMT_IFF_PBM, DM_FMT_RDWR,
2068
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2501 fmtProbeIFF_PBM, dmReadIFFImage, dmWriteIFFImage,
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2502 },
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2503 {
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2504 "acbm", "IFF ACBM (Amiga Basic)",
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2505 DM_IMGFMT_IFF_ACBM, DM_FMT_RDWR,
e4dc8fbaa5ad Improve IFF probing.
Matti Hamalainen <ccr@tnsp.org>
parents: 2067
diff changeset
2506 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
2507 },
f7c9d1619c74 Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents: 442
diff changeset
2508 {
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
2509 "raw", "Plain bitplaned (planar or non-planar) RAW",
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
2510 DM_IMGFMT_RAW, DM_FMT_WR,
1886
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
2511 NULL, NULL, dmWriteRAWImage,
566
d400e32b62d9 Add a slightly different raw output format.
Matti Hamalainen <ccr@tnsp.org>
parents: 487
diff changeset
2512 },
d400e32b62d9 Add a slightly different raw output format.
Matti Hamalainen <ccr@tnsp.org>
parents: 487
diff changeset
2513 {
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
2514 "araw", "IFFMaster Amiga RAW",
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
2515 DM_IMGFMT_ARAW, DM_FMT_WR,
1886
1af79412f249 Remove the stdio FILE support from libgfx API, now only DMResource is supported.
Matti Hamalainen <ccr@tnsp.org>
parents: 1881
diff changeset
2516 NULL, NULL, dmWriteRAWImage,
2047
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents: 2026
diff changeset
2517 },
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents: 2026
diff changeset
2518 {
2057
02fa60b27af5 Correct description of 'cdump' format.
Matti Hamalainen <ccr@tnsp.org>
parents: 2055
diff changeset
2519 "cdump", "'C' dump (image data only)",
2047
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents: 2026
diff changeset
2520 DM_IMGFMT_CDUMP, DM_FMT_WR,
3829c292df02 Add 'cdump' image output format, mainly for debugging purposes.
Matti Hamalainen <ccr@tnsp.org>
parents: 2026
diff changeset
2521 NULL, NULL, dmWriteCDumpImage,
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2522 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2523 };
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2524
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
2525 const int ndmImageFormatList = sizeof(dmImageFormatList) / sizeof(dmImageFormatList[0]);
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2526
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
2527
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
2528 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
2529 {
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
2530 int scoreMax = DM_PROBE_SCORE_FALSE, scoreIndex = -1;
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2531
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
2532 for (int i = 0; i < ndmImageFormatList; i++)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2533 {
1616
36d073c45327 Refactor the format handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1615
diff changeset
2534 const DMImageFormat *fmt = &dmImageFormatList[i];
442
a67600e186d0 Fix probing to handle NULL probe functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 440
diff changeset
2535 if (fmt->probe != NULL)
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2536 {
442
a67600e186d0 Fix probing to handle NULL probe functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 440
diff changeset
2537 int score = fmt->probe(buf, len);
a67600e186d0 Fix probing to handle NULL probe functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 440
diff changeset
2538 if (score > scoreMax)
a67600e186d0 Fix probing to handle NULL probe functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 440
diff changeset
2539 {
a67600e186d0 Fix probing to handle NULL probe functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 440
diff changeset
2540 scoreMax = score;
a67600e186d0 Fix probing to handle NULL probe functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 440
diff changeset
2541 scoreIndex = i;
a67600e186d0 Fix probing to handle NULL probe functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 440
diff changeset
2542 }
435
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2543 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2544 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2545
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2546 if (scoreIndex >= 0)
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2547 {
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2548 *pfmt = &dmImageFormatList[scoreIndex];
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2549 *index = scoreIndex;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2550 return scoreMax;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2551 }
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2552 else
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2553 return DM_PROBE_SCORE_FALSE;
e4a3f183e463 Modularize some more.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2554 }