annotate tools/lib64gfx.c @ 2518:470631c00c97

Implement optionality of loading address in dmC64EncodeBMP() as well.
author Matti Hamalainen <ccr@tnsp.org>
date Tue, 12 May 2020 20:49:12 +0300
parents 5fcc9f7b8ad8
children c6ee41fd98dd
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1 /*
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2 * Functions for reading and converting various restricted
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3 * C64/etc and/or indexed/paletted graphics formats.
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4 * Programmed and designed by Matti 'ccr' Hamalainen
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5 * (C) Copyright 2012-2020 Tecnic Software productions (TNSP)
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6 *
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7 * Please read file 'COPYING' for information on license and distribution.
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8 */
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9 #include "lib64gfx.h"
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10
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11 #define BUF_SIZE_INITIAL (16*1024)
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12 #define BUF_SIZE_GROW (4*1024)
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13
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14
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15 int dmC64PaletteFromC64Colors(DMPalette **ppal, const DMColor *colors, const BOOL mixed)
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16 {
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17 int res;
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18
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19 if (ppal == NULL || colors == NULL)
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20 return DMERR_NULLPTR;
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21
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22 // Allocate and create new
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23 if (mixed)
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24 {
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25 // Mixed 256 color palette
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26 if ((res = dmPaletteAlloc(ppal, D64_NCOLORS * D64_NCOLORS, -1)) != DMERR_OK)
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27 return res;
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28
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29 for (int n1 = 0, n = 0; n1 < D64_NCOLORS; n1++)
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30 {
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31 const DMColor *col1 = &colors[n1];
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32 for (int n2 = 0; n2 < D64_NCOLORS; n2++)
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33 {
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34 const DMColor *col2 = &colors[n2];
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35 (*ppal)->colors[n].r = (col1->r + col2->r) / 2;
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36 (*ppal)->colors[n].g = (col1->g + col2->g) / 2;
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37 (*ppal)->colors[n].b = (col1->b + col2->b) / 2;
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38 n++;
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39 }
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40 }
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41 }
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42 else
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43 {
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44 // Standard palette, just copy it
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45 if ((res = dmPaletteAlloc(ppal, D64_NCOLORS, 255)) != DMERR_OK)
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46 return res;
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47
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48 memcpy((*ppal)->colors, colors, D64_NCOLORS * sizeof(DMColor));
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49 }
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50
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51 return DMERR_OK;
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52 }
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53
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54
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55 int dmC64PaletteFromC64Palette(DMPalette **ppal, const DMC64Palette *cpal, const BOOL mixed)
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56 {
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57 if (ppal == NULL || cpal == NULL)
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58 return DMERR_NULLPTR;
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59
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60 return dmC64PaletteFromC64Colors(ppal, cpal->colors, mixed);
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61 }
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62
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63
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64 int dmC64SetImagePalette(DMImage *img, const DMC64ImageConvSpec *spec, const BOOL mixed)
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65 {
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66 if (img == NULL || spec == NULL)
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67 return DMERR_NULLPTR;
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68
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69 // Free previous palette
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70 if (!img->constpal)
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71 dmPaletteFree(img->pal);
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72
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73 img->constpal = FALSE;
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74
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75 // If specific palette is wanted, use it
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76 if (spec->pal != NULL)
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77 {
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78 if (spec->pal->ncolors > D64_NCOLORS)
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79 return dmPaletteCopy(&img->pal, spec->pal);
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80 else
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81 if (spec->pal->ncolors == D64_NCOLORS)
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82 return dmC64PaletteFromC64Colors(&img->pal, spec->pal->colors, mixed);
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83 }
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84
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85 // Else, use the c64 palette specified
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86 return dmC64PaletteFromC64Palette(&img->pal, spec->cpal, mixed);
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87 }
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88
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89
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90 BOOL dmCompareAddr16(const DMGrowBuf *buf, const size_t offs, const Uint16 addr)
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91 {
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92 return
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93 offs + 1 < buf->len &&
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94 buf->data[offs ] == (addr & 0xff) &&
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95 buf->data[offs + 1] == ((addr >> 8) & 0xff);
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96 }
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97
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98
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99 int dmC64MemBlockAlloc(DMC64MemBlock *blk, const size_t size)
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100 {
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101 if ((blk->data = dmMalloc0(size)) == NULL)
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102 return DMERR_MALLOC;
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103
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104 blk->size = size;
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105 return DMERR_OK;
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106 }
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107
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108
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109 int dmC64MemBlockReAlloc(DMC64MemBlock *blk, const size_t size)
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110 {
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111 // Reallocate only if new size is larger
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112 if (size <= blk->size)
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113 return DMERR_OK;
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114
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115 if ((blk->data = dmRealloc(blk->data, size)) == NULL)
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116 return DMERR_MALLOC;
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117
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118 memset(blk->data + blk->size, 0, size - blk->size);
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119
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120 blk->size = size;
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121 return DMERR_OK;
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122 }
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123
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124
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125 int dmC64MemBlockCopy(DMC64MemBlock *dst, const DMC64MemBlock *src)
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diff changeset
126 {
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
127 if (src->data != NULL && src->size > 0)
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
128 {
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
129 dst->size = src->size;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
130 if ((dst->data = dmMalloc(src->size)) == NULL)
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
131 return DMERR_MALLOC;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
132
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
133 memcpy(dst->data, src->data, src->size);
1824
adf9f05c26e1 Improve error handling of dmC64MemBlockCopy().
Matti Hamalainen <ccr@tnsp.org>
parents: 1822
diff changeset
134 return DMERR_OK;
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
135 }
1824
adf9f05c26e1 Improve error handling of dmC64MemBlockCopy().
Matti Hamalainen <ccr@tnsp.org>
parents: 1822
diff changeset
136 else
adf9f05c26e1 Improve error handling of dmC64MemBlockCopy().
Matti Hamalainen <ccr@tnsp.org>
parents: 1822
diff changeset
137 return DMERR_INVALID_DATA;
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
138 }
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
139
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
140
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
141 void dmC64MemBlockFree(DMC64MemBlock *blk)
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
142 {
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
143 if (blk != NULL)
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
144 {
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
145 dmFreeR(&blk->data);
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
146 blk->size = 0;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
147 }
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
148 }
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
149
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
150
2265
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for
Matti Hamalainen <ccr@tnsp.org>
parents: 2238
diff changeset
151 static void dmC64SetupImageData(DMC64Image *img, const DMC64ImageFormat *fmt)
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for
Matti Hamalainen <ccr@tnsp.org>
parents: 2238
diff changeset
152 {
2398
0b1928ed902f Merge dmC64ImageGetNumBlocks() into dmC64SetupImageData().
Matti Hamalainen <ccr@tnsp.org>
parents: 2388
diff changeset
153 int nblocks = 0;
0b1928ed902f Merge dmC64ImageGetNumBlocks() into dmC64SetupImageData().
Matti Hamalainen <ccr@tnsp.org>
parents: 2388
diff changeset
154 for (int i = 0; i < D64_MAX_ENCDEC_OPS; i++)
0b1928ed902f Merge dmC64ImageGetNumBlocks() into dmC64SetupImageData().
Matti Hamalainen <ccr@tnsp.org>
parents: 2388
diff changeset
155 {
0b1928ed902f Merge dmC64ImageGetNumBlocks() into dmC64SetupImageData().
Matti Hamalainen <ccr@tnsp.org>
parents: 2388
diff changeset
156 const DMC64EncDecOp *op = fmtGetEncDecOp(fmt, i);
0b1928ed902f Merge dmC64ImageGetNumBlocks() into dmC64SetupImageData().
Matti Hamalainen <ccr@tnsp.org>
parents: 2388
diff changeset
157 if (op->type == DO_LAST)
0b1928ed902f Merge dmC64ImageGetNumBlocks() into dmC64SetupImageData().
Matti Hamalainen <ccr@tnsp.org>
parents: 2388
diff changeset
158 break;
0b1928ed902f Merge dmC64ImageGetNumBlocks() into dmC64SetupImageData().
Matti Hamalainen <ccr@tnsp.org>
parents: 2388
diff changeset
159
0b1928ed902f Merge dmC64ImageGetNumBlocks() into dmC64SetupImageData().
Matti Hamalainen <ccr@tnsp.org>
parents: 2388
diff changeset
160 if (op->bank > nblocks)
0b1928ed902f Merge dmC64ImageGetNumBlocks() into dmC64SetupImageData().
Matti Hamalainen <ccr@tnsp.org>
parents: 2388
diff changeset
161 nblocks = op->bank;
0b1928ed902f Merge dmC64ImageGetNumBlocks() into dmC64SetupImageData().
Matti Hamalainen <ccr@tnsp.org>
parents: 2388
diff changeset
162 }
0b1928ed902f Merge dmC64ImageGetNumBlocks() into dmC64SetupImageData().
Matti Hamalainen <ccr@tnsp.org>
parents: 2388
diff changeset
163
2265
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for
Matti Hamalainen <ccr@tnsp.org>
parents: 2238
diff changeset
164 img->fmt = fmt->format;
2398
0b1928ed902f Merge dmC64ImageGetNumBlocks() into dmC64SetupImageData().
Matti Hamalainen <ccr@tnsp.org>
parents: 2388
diff changeset
165 img->nblocks = nblocks + 1;
2265
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for
Matti Hamalainen <ccr@tnsp.org>
parents: 2238
diff changeset
166
2414
69a5af2eb1ea Remove useless dmMemset().
Matti Hamalainen <ccr@tnsp.org>
parents: 2407
diff changeset
167 memset(img->extraInfo, 0, sizeof(img->extraInfo));
2265
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for
Matti Hamalainen <ccr@tnsp.org>
parents: 2238
diff changeset
168 img->extraInfo[D64_EI_MODE] = fmt->format->mode;
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for
Matti Hamalainen <ccr@tnsp.org>
parents: 2238
diff changeset
169 }
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for
Matti Hamalainen <ccr@tnsp.org>
parents: 2238
diff changeset
170
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for
Matti Hamalainen <ccr@tnsp.org>
parents: 2238
diff changeset
171
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
172 DMC64Image *dmC64ImageAlloc(const DMC64ImageFormat *fmt)
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
173 {
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
174 DMC64Image *img = dmMalloc0(sizeof(DMC64Image));
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
175
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
176 if (img == NULL)
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
177 return NULL;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
178
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
179 // Initialize image information
2265
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for
Matti Hamalainen <ccr@tnsp.org>
parents: 2238
diff changeset
180 dmC64SetupImageData(img, fmt);
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
181
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
182 // Allocate banks
2179
8d53da5bf067 Rename DMC64Image::nbanks to nblocks, which reflects better what it does.
Matti Hamalainen <ccr@tnsp.org>
parents: 2175
diff changeset
183 if ((img->color = dmCalloc(img->nblocks, sizeof(DMC64MemBlock))) == NULL ||
8d53da5bf067 Rename DMC64Image::nbanks to nblocks, which reflects better what it does.
Matti Hamalainen <ccr@tnsp.org>
parents: 2175
diff changeset
184 (img->bitmap = dmCalloc(img->nblocks, sizeof(DMC64MemBlock))) == NULL ||
8d53da5bf067 Rename DMC64Image::nbanks to nblocks, which reflects better what it does.
Matti Hamalainen <ccr@tnsp.org>
parents: 2175
diff changeset
185 (img->screen = dmCalloc(img->nblocks, sizeof(DMC64MemBlock))) == NULL ||
8d53da5bf067 Rename DMC64Image::nbanks to nblocks, which reflects better what it does.
Matti Hamalainen <ccr@tnsp.org>
parents: 2175
diff changeset
186 (img->charData = dmCalloc(img->nblocks, sizeof(DMC64MemBlock))) == NULL)
2386
f543475ea0eb Rename some labels err -> out.
Matti Hamalainen <ccr@tnsp.org>
parents: 2380
diff changeset
187 goto out;
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
188
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
189 return img;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
190
2386
f543475ea0eb Rename some labels err -> out.
Matti Hamalainen <ccr@tnsp.org>
parents: 2380
diff changeset
191 out:
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
192 dmC64ImageFree(img);
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
193 return NULL;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
194 }
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
195
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
196
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
197 void dmC64ImageFree(DMC64Image *img)
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
198 {
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
199 if (img != NULL)
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
200 {
1462
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
201 // Free the allocated areas
2179
8d53da5bf067 Rename DMC64Image::nbanks to nblocks, which reflects better what it does.
Matti Hamalainen <ccr@tnsp.org>
parents: 2175
diff changeset
202 for (int i = 0; i < img->nblocks; i++)
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
203 {
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
204 dmC64MemBlockFree(&img->color[i]);
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
205 dmC64MemBlockFree(&img->bitmap[i]);
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
206 dmC64MemBlockFree(&img->screen[i]);
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
207 dmC64MemBlockFree(&img->charData[i]);
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
208 }
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
209
1462
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
210 // Free the pointers to the areas
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
211 dmFree(img->color);
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
212 dmFree(img->bitmap);
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
213 dmFree(img->screen);
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
214 dmFree(img->charData);
1462
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
215
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
216 // Extra data ..
2125
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2122
diff changeset
217 for (int i = 0; i < D64_MAX_EXTRA_DATA; i++)
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
218 dmC64MemBlockFree(&img->extraData[i]);
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
219
2414
69a5af2eb1ea Remove useless dmMemset().
Matti Hamalainen <ccr@tnsp.org>
parents: 2407
diff changeset
220 memset(img, 0, sizeof(DMC64Image));
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
221 dmFree(img);
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
222 }
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
223 }
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
224
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
225
827
c8beac5313c3 Rename a function.
Matti Hamalainen <ccr@tnsp.org>
parents: 812
diff changeset
226 int dmC64ConvertCSDataToImage(DMImage *img,
2324
dc79c64f158c Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 2322
diff changeset
227 const int xoffs, const int yoffs, const Uint8 *buf,
dc79c64f158c Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 2322
diff changeset
228 const int width, const int height, const BOOL multicolor,
dc79c64f158c Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 2322
diff changeset
229 const int *colors)
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
230 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
231 int yc, widthpx = width * 8;
2324
dc79c64f158c Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 2322
diff changeset
232 Uint8 *dpp;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
233
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
234 if (img == NULL)
517
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
235 return DMERR_NULLPTR;
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
236
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
237 if (xoffs < 0 || yoffs < 0 ||
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
238 xoffs > img->width - widthpx ||
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
239 yoffs > img->height - height)
517
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
240 return DMERR_INVALID_ARGS;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
241
2324
dc79c64f158c Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 2322
diff changeset
242 dpp = img->data + (yoffs * img->pitch) + xoffs;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
243
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
244 if (multicolor)
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
245 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
246 for (yc = 0; yc < height; yc++)
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
247 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
248 const int offs = yc * width;
2324
dc79c64f158c Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 2322
diff changeset
249 Uint8 *dp = dpp;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
250
1875
b052754a1a23 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1858
diff changeset
251 for (int xc = 0; xc < widthpx / 2; xc++)
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
252 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
253 const int b = buf[offs + (xc / 4)];
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
254 const int v = 6 - ((xc * 2) & 6);
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
255 const Uint8 c = colors[(b >> v) & 3];
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
256
2324
dc79c64f158c Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 2322
diff changeset
257 *dp++ = c;
dc79c64f158c Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 2322
diff changeset
258 *dp++ = c;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
259 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
260
2324
dc79c64f158c Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 2322
diff changeset
261 dpp += img->pitch;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
262 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
263 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
264 else
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
265 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
266 for (yc = 0; yc < height; yc++)
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
267 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
268 const int offs = yc * width;
2324
dc79c64f158c Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 2322
diff changeset
269 Uint8 *dp = dpp;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
270
1875
b052754a1a23 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1858
diff changeset
271 for (int xc = 0; xc < widthpx; xc++)
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
272 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
273 const int b = buf[offs + (xc / 8)];
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
274 const int v = 7 - (xc & 7);
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
275 const Uint8 c = colors[(b >> v) & 1];
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
276
2324
dc79c64f158c Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 2322
diff changeset
277 *dp++ = c;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
278 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
279
2324
dc79c64f158c Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 2322
diff changeset
280 dpp += img->pitch;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
281 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
282 }
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
283
517
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
284 return DMERR_OK;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
285 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
286
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
287
2329
0085ce04788b Add return value (error code) to dmGenericRLEAnalyze() and pass it through where used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2328
diff changeset
288 int dmGenericRLEAnalyze(const DMGrowBuf *buf, DMCompParams *cfg)
1503
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1501
diff changeset
289 {
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
290 #define DM_STAT_MAX 256
2329
0085ce04788b Add return value (error code) to dmGenericRLEAnalyze() and pass it through where used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2328
diff changeset
291 Uint8 *stats = NULL;
1503
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1501
diff changeset
292
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
293 // Allocate statistics counts buffer
2329
0085ce04788b Add return value (error code) to dmGenericRLEAnalyze() and pass it through where used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2328
diff changeset
294 if ((stats = dmMalloc0(DM_STAT_MAX * sizeof(Uint8))) == NULL)
0085ce04788b Add return value (error code) to dmGenericRLEAnalyze() and pass it through where used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2328
diff changeset
295 return DMERR_MALLOC;
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
296
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
297 // Get statistics on the data
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
298 for (size_t offs = 0; offs < buf->len; offs++)
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
299 stats[buf->data[offs]]++;
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
300
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
301 // According to compression type ..
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
302 switch (cfg->type)
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
303 {
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
304 case DM_COMP_RLE_MARKER:
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
305 {
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
306 size_t selected = 0,
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
307 smallest = buf->len;
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
308
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
309 // Find least used byte value
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
310 for (size_t n = 0; n < DM_STAT_MAX; n++)
2329
0085ce04788b Add return value (error code) to dmGenericRLEAnalyze() and pass it through where used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2328
diff changeset
311 if (stats[n] < smallest)
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
312 {
2329
0085ce04788b Add return value (error code) to dmGenericRLEAnalyze() and pass it through where used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2328
diff changeset
313 switch (cfg->flags & DM_RLE_RUNS_MASK)
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
314 {
2329
0085ce04788b Add return value (error code) to dmGenericRLEAnalyze() and pass it through where used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2328
diff changeset
315 case DM_RLE_BYTE_RUNS | DM_RLE_WORD_RUNS:
0085ce04788b Add return value (error code) to dmGenericRLEAnalyze() and pass it through where used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2328
diff changeset
316 cfg->rleMarkerW = selected;
0085ce04788b Add return value (error code) to dmGenericRLEAnalyze() and pass it through where used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2328
diff changeset
317 cfg->rleMarkerB = selected = n;
0085ce04788b Add return value (error code) to dmGenericRLEAnalyze() and pass it through where used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2328
diff changeset
318 break;
1821
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
319
2329
0085ce04788b Add return value (error code) to dmGenericRLEAnalyze() and pass it through where used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2328
diff changeset
320 case DM_RLE_BYTE_RUNS:
0085ce04788b Add return value (error code) to dmGenericRLEAnalyze() and pass it through where used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2328
diff changeset
321 cfg->rleMarkerB = selected = n;
0085ce04788b Add return value (error code) to dmGenericRLEAnalyze() and pass it through where used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2328
diff changeset
322 break;
1821
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
323
2329
0085ce04788b Add return value (error code) to dmGenericRLEAnalyze() and pass it through where used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2328
diff changeset
324 case DM_RLE_WORD_RUNS:
0085ce04788b Add return value (error code) to dmGenericRLEAnalyze() and pass it through where used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2328
diff changeset
325 cfg->rleMarkerW = selected = n;
0085ce04788b Add return value (error code) to dmGenericRLEAnalyze() and pass it through where used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2328
diff changeset
326 break;
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
327 }
2329
0085ce04788b Add return value (error code) to dmGenericRLEAnalyze() and pass it through where used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2328
diff changeset
328 smallest = stats[n];
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
329 }
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
330 }
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
331 break;
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
332
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
333 case DM_COMP_RLE_MASK:
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
334 cfg->rleMarkerMask = 0xC0;
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
335 cfg->rleMarkerBits = 0xC0;
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
336 cfg->rleCountMask = 0x3f;
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
337 break;
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
338 }
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
339
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
340 dmFree(stats);
2329
0085ce04788b Add return value (error code) to dmGenericRLEAnalyze() and pass it through where used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2328
diff changeset
341 return DMERR_OK;
1503
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1501
diff changeset
342 }
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1501
diff changeset
343
2140
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
344
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
345 //#define RLE_DEBUG
1503
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1501
diff changeset
346
1713
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
347 void dmSetupRLEBuffers(DMGrowBuf *dst, DMGrowBuf *src, const DMCompParams *cfg)
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
348 {
2140
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
349 if (src != NULL && (cfg->flags & DM_RLE_BACKWARDS_INPUT))
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
350 {
1831
ce1a734b016f Change the logic of how DMGrowBuf works in "backwards" growing mode. Adjust
Matti Hamalainen <ccr@tnsp.org>
parents: 1828
diff changeset
351 src->offs = src->len;
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
352 src->backwards = TRUE;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
353 }
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
354
2140
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
355 if (dst != NULL && (cfg->flags & DM_RLE_BACKWARDS_OUTPUT))
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
356 {
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
357 dst->backwards = TRUE;
1831
ce1a734b016f Change the logic of how DMGrowBuf works in "backwards" growing mode. Adjust
Matti Hamalainen <ccr@tnsp.org>
parents: 1828
diff changeset
358 dst->offs = dst->size;
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
359 }
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
360
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
361 #ifdef RLE_DEBUG
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
362 fprintf(stderr, "dmSetupRLEBuffers:\n");
2140
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
363 if (src != NULL)
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
364 fprintf(stderr, " src.len=%" DM_PRIx_SIZE_T ", src.size=%" DM_PRIx_SIZE_T ", src.offs=%" DM_PRIx_SIZE_T "\n", src->len, src->size, src->offs);
2140
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
365 if (dst != NULL)
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
366 fprintf(stderr, " dst.len=%" DM_PRIx_SIZE_T ", dst.size=%" DM_PRIx_SIZE_T ", dst.offs=%" DM_PRIx_SIZE_T "\n", dst->len, dst->size, dst->offs);
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
367 fprintf(stderr, "------------------\n");
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
368 #endif
1718
bed88d17f28c Fix a commit blunder here ..
Matti Hamalainen <ccr@tnsp.org>
parents: 1717
diff changeset
369 }
bed88d17f28c Fix a commit blunder here ..
Matti Hamalainen <ccr@tnsp.org>
parents: 1717
diff changeset
370
bed88d17f28c Fix a commit blunder here ..
Matti Hamalainen <ccr@tnsp.org>
parents: 1717
diff changeset
371
1713
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
372 void dmFinishRLEBuffers(DMGrowBuf *dst, DMGrowBuf *src, const DMCompParams *cfg)
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
373 {
1741
6f1313c761aa Actually fix the warnings .. sigh.
Matti Hamalainen <ccr@tnsp.org>
parents: 1740
diff changeset
374 (void) src;
6f1313c761aa Actually fix the warnings .. sigh.
Matti Hamalainen <ccr@tnsp.org>
parents: 1740
diff changeset
375
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
376 #ifdef RLE_DEBUG
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
377 fprintf(stderr, "------------------\n");
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
378 fprintf(stderr, "dmFinishRLEBuffers:\n");
2140
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
379 if (src != NULL)
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
380 fprintf(stderr, " src.len=%" DM_PRIx_SIZE_T ", src.size=%" DM_PRIx_SIZE_T ", src.offs=%" DM_PRIx_SIZE_T "\n", src->len, src->size, src->offs);
2140
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
381 if (dst != NULL)
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
382 fprintf(stderr, " dst.len=%" DM_PRIx_SIZE_T ", dst.size=%" DM_PRIx_SIZE_T ", dst.offs=%" DM_PRIx_SIZE_T "\n", dst->len, dst->size, dst->offs);
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
383 #endif
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
384
2140
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
385 if (dst != NULL)
1720
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
386 {
2140
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
387 if (cfg->flags & DM_RLE_BACKWARDS_OUTPUT)
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
388 {
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
389 memmove(dst->data, dst->data + dst->offs, dst->len);
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
390 dst->offs = 0;
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
391 }
1720
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
392
2140
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
393 switch (cfg->flags & DM_OUT_CROP_MASK)
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
394 {
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
395 case DM_OUT_CROP_END:
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
396 if (cfg->cropOutLen < dst->len)
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
397 {
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
398 memmove(dst->data, dst->data + dst->len - cfg->cropOutLen, cfg->cropOutLen);
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
399 dst->len = cfg->cropOutLen;
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
400 }
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
401 break;
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
402
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
403 case DM_OUT_CROP_START:
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
404 if (cfg->cropOutLen <= dst->len)
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
405 dst->len = cfg->cropOutLen;
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
406 break;
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
407 }
1720
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
408 }
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
409
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
410 #ifdef RLE_DEBUG
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
411 fprintf(stderr, "ADJUSTED:\n");
2140
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
412 if (src != NULL)
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
413 fprintf(stderr, " src.len=%" DM_PRIx_SIZE_T ", src.size=%" DM_PRIx_SIZE_T ", src.offs=%" DM_PRIx_SIZE_T "\n", src->len, src->size, src->offs);
2140
b8491ee3cf24 Allow NULL buffer argument(s) for dmSetupRLEBuffers() and dmFinishRLEBuffers().
Matti Hamalainen <ccr@tnsp.org>
parents: 2132
diff changeset
414 if (dst != NULL)
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
415 fprintf(stderr, " dst.len=%" DM_PRIx_SIZE_T ", dst.size=%" DM_PRIx_SIZE_T ", dst.offs=%" DM_PRIx_SIZE_T "\n", dst->len, dst->size, dst->offs);
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
416 #endif
1713
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
417 }
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
418
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
419
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
420 int dmGenericRLEOutputRun(DMGrowBuf *dst, const DMCompParams *cfg, const Uint8 data, const unsigned int count)
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
421 {
1944
d9a0a4bccf5d Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1933
diff changeset
422 for (unsigned int scount = count; scount; scount--)
1713
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
423 {
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
424 if (!dmGrowBufPutU8(dst, data))
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
425 {
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
426 return dmError(DMERR_MALLOC,
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
427 "%s: RLE: Could not output RLE run %d x 0x%02x @ "
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
428 "offs=0x%" DM_PRIx_SIZE_T ", size=0x%" DM_PRIx_SIZE_T ".\n",
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
429 cfg->func, count, data, dst->offs, dst->size);
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
430 }
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
431 }
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
432 return DMERR_OK;
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
433 }
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
434
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
435
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
436 int dmDecodeGenericRLE(DMGrowBuf *dst, const DMGrowBuf *psrc, const DMCompParams *cfg)
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
437 {
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
438 int res;
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
439 Uint8 tmp1, tmp2, tmp3, data;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
440 DMGrowBuf src;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
441
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
442 // As we need to modify the offs, etc. but not the data,
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
443 // we will just make a shallow copy of the DMGrowBuf struct
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
444 dmGrowBufConstCopy(&src, psrc);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
445 dmSetupRLEBuffers(dst, &src, cfg);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
446
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
447 while (dmGrowBufGetU8(&src, &data))
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
448 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
449 unsigned int count = 1;
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
450
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
451 if (cfg->type == DM_COMP_RLE_MARKER)
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
452 {
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
453 // A simple marker byte RLE variant: [Marker] [count] [data]
1744
e40227e994e2 Fix unitialized data accesses.
Matti Hamalainen <ccr@tnsp.org>
parents: 1741
diff changeset
454 if ((cfg->flags & DM_RLE_BYTE_RUNS) && data == cfg->rleMarkerB)
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
455 {
1750
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
456 if (!dmGrowBufGetU8(&src, &tmp1))
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
457 {
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
458 #ifdef RLE_DEBUG
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
459 fprintf(stderr, " marker=$%02x\n", cfg->rleMarkerB);
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
460 fprintf(stderr, " src.len=%" DM_PRIx_SIZE_T ", src.size=%" DM_PRIx_SIZE_T ", src.offs=%" DM_PRIx_SIZE_T "\n", src.len, src.size, src.offs);
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
461 fprintf(stderr, " dst.len=%" DM_PRIx_SIZE_T ", dst.size=%" DM_PRIx_SIZE_T ", dst.offs=%" DM_PRIx_SIZE_T "\n", dst->len, dst->size, dst->offs);
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
462 #endif
1727
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
463 res = dmError(DMERR_INVALID_DATA,
1750
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
464 "%s: RLE: Invalid data/out of data for byte length run sequence (1).\n",
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
465 cfg->func);
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
466 goto out;
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
467 }
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
468 if (!dmGrowBufGetU8(&src, &tmp2))
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
469 {
2061
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
470 #ifdef RLE_DEBUG
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
471 fprintf(stderr, " marker=$%02x, data=$%02x\n", cfg->rleMarkerB, tmp1);
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
472 fprintf(stderr, " src.len=%" DM_PRIx_SIZE_T ", src.size=%" DM_PRIx_SIZE_T ", src.offs=%" DM_PRIx_SIZE_T "\n", src.len, src.size, src.offs);
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
473 fprintf(stderr, " dst.len=%" DM_PRIx_SIZE_T ", dst.size=%" DM_PRIx_SIZE_T ", dst.offs=%" DM_PRIx_SIZE_T "\n", dst->len, dst->size, dst->offs);
221a95caa91e Add some #ifdef'd out RLE (de)compression debug prints.
Matti Hamalainen <ccr@tnsp.org>
parents: 1984
diff changeset
474 #endif
1750
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
475 res = dmError(DMERR_INVALID_DATA,
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
476 "%s: RLE: Invalid data/out of data for byte length run sequence (2).\n",
1727
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
477 cfg->func);
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
478 goto out;
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
479 }
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
480 switch (cfg->flags & DM_RLE_ORDER_MASK)
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
481 {
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
482 case DM_RLE_ORDER_1:
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
483 count = tmp1;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
484 data = tmp2;
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
485 break;
1573
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
486
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
487 case DM_RLE_ORDER_2:
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
488 data = tmp1;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
489 count = tmp2;
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
490 break;
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
491 }
1783
1ce808599129 Add DM_RLE_ZERO_COUNT_MAX flag for RLE decoder which makes it interpret run
Matti Hamalainen <ccr@tnsp.org>
parents: 1780
diff changeset
492
1ce808599129 Add DM_RLE_ZERO_COUNT_MAX flag for RLE decoder which makes it interpret run
Matti Hamalainen <ccr@tnsp.org>
parents: 1780
diff changeset
493 if (count == 0 && (cfg->flags & DM_RLE_ZERO_COUNT_MAX))
1ce808599129 Add DM_RLE_ZERO_COUNT_MAX flag for RLE decoder which makes it interpret run
Matti Hamalainen <ccr@tnsp.org>
parents: 1780
diff changeset
494 count = 256;
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
495 }
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
496 else
1744
e40227e994e2 Fix unitialized data accesses.
Matti Hamalainen <ccr@tnsp.org>
parents: 1741
diff changeset
497 if ((cfg->flags & DM_RLE_WORD_RUNS) && data == cfg->rleMarkerW)
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
498 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
499 if (!dmGrowBufGetU8(&src, &tmp1) ||
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
500 !dmGrowBufGetU8(&src, &tmp2) ||
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
501 !dmGrowBufGetU8(&src, &tmp3))
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
502 {
1727
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
503 res = dmError(DMERR_INVALID_DATA,
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
504 "%s: RLE: Invalid data/out of data for word length run sequence.\n",
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
505 cfg->func);
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
506 goto out;
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
507 }
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
508 switch (cfg->flags & DM_RLE_ORDER_MASK)
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
509 {
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
510 case DM_RLE_ORDER_1:
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
511 count = (tmp2 << 8) | tmp1;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
512 data = tmp3;
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
513 break;
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
514
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
515 case DM_RLE_ORDER_2:
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
516 data = tmp1;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
517 count = (tmp3 << 8) | tmp2;
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
518 break;
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
519 }
1783
1ce808599129 Add DM_RLE_ZERO_COUNT_MAX flag for RLE decoder which makes it interpret run
Matti Hamalainen <ccr@tnsp.org>
parents: 1780
diff changeset
520
1ce808599129 Add DM_RLE_ZERO_COUNT_MAX flag for RLE decoder which makes it interpret run
Matti Hamalainen <ccr@tnsp.org>
parents: 1780
diff changeset
521 if (count == 0 && (cfg->flags & DM_RLE_ZERO_COUNT_MAX))
1ce808599129 Add DM_RLE_ZERO_COUNT_MAX flag for RLE decoder which makes it interpret run
Matti Hamalainen <ccr@tnsp.org>
parents: 1780
diff changeset
522 count = 65536;
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
523 }
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
524 }
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
525 else
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
526 if (cfg->type == DM_COMP_RLE_MASK)
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
527 {
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
528 // Mask marker RLE: usually high bit(s) of byte mark RLE sequence
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
529 // and the lower bits contain the count: [Mask + count] [data]
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
530 if ((data & cfg->rleMarkerMask) == cfg->rleMarkerBits)
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
531 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
532 if (!dmGrowBufGetU8(&src, &tmp1))
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
533 {
1727
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
534 res = dmError(DMERR_INVALID_DATA,
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
535 "%s: RLE: Invalid data/out of data for byte length mask/run sequence.\n",
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
536 cfg->func);
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
537 goto out;
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
538 }
1466
bc75be0546fc More work on RLE decoder/encoder changes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1465
diff changeset
539
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
540 count = data & cfg->rleCountMask;
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
541 data = tmp1;
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
542 }
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
543 }
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
544
1715
c0c6fd8b288a Use dmGenericRLEOutputRun().
Matti Hamalainen <ccr@tnsp.org>
parents: 1713
diff changeset
545 if ((res = dmGenericRLEOutputRun(dst, cfg, data, count)) != DMERR_OK)
c0c6fd8b288a Use dmGenericRLEOutputRun().
Matti Hamalainen <ccr@tnsp.org>
parents: 1713
diff changeset
546 goto out;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
547 }
523
d0c0c6baeb57 Split the RLE decoding from DrazPaint/Lace and Amica paint decoders to a
Matti Hamalainen <ccr@tnsp.org>
parents: 519
diff changeset
548
1717
7de37c01dbd4 Use dmFinishRLEBuffers() in dmDecodeGenericRLE()
Matti Hamalainen <ccr@tnsp.org>
parents: 1716
diff changeset
549 dmFinishRLEBuffers(dst, &src, cfg);
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
550 res = DMERR_OK;
523
d0c0c6baeb57 Split the RLE decoding from DrazPaint/Lace and Amica paint decoders to a
Matti Hamalainen <ccr@tnsp.org>
parents: 519
diff changeset
551
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
552 out:
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
553 return res;
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
554 }
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
555
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
556
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
557 int dmDecodeGenericRLEAlloc(DMGrowBuf *dst, const DMGrowBuf *src, const DMCompParams *cfg)
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
558 {
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
559 int res;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
560 if ((res = dmGrowBufAlloc(dst, BUF_SIZE_INITIAL, BUF_SIZE_GROW)) != DMERR_OK)
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
561 return res;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
562
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
563 return dmDecodeGenericRLE(dst, src, cfg);
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
564 }
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
565
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
566
1820
bea67833b9fa Oops, need to deconstify the "count" argument of dmEncodeGenericRLESequence() as we now modify it inside.
Matti Hamalainen <ccr@tnsp.org>
parents: 1818
diff changeset
567 int dmEncodeGenericRLESequence(DMGrowBuf *dst, const Uint8 data, unsigned int count, const DMCompParams *cfg)
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
568 {
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
569 BOOL copyOnly = FALSE;
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
570 int res;
1505
3265175b24d2 Change the passing of RLE compression/decompression parameters to be in a dedicated struct.
Matti Hamalainen <ccr@tnsp.org>
parents: 1503
diff changeset
571
3265175b24d2 Change the passing of RLE compression/decompression parameters to be in a dedicated struct.
Matti Hamalainen <ccr@tnsp.org>
parents: 1503
diff changeset
572 switch (cfg->type)
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
573 {
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
574 case DM_COMP_RLE_MARKER:
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
575 if ((cfg->flags & DM_RLE_WORD_RUNS) &&
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
576 (count >= cfg->rleMinCountW || data == cfg->rleMarkerW))
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
577 {
1818
7bafe5f0998d Implement DM_RLE_ZERO_COUNT_MAX support in the generic RLE compressor.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
578 if (count == 65536 && (cfg->flags & DM_RLE_ZERO_COUNT_MAX))
7bafe5f0998d Implement DM_RLE_ZERO_COUNT_MAX support in the generic RLE compressor.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
579 count = 0;
7bafe5f0998d Implement DM_RLE_ZERO_COUNT_MAX support in the generic RLE compressor.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
580
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
581 if (!dmGrowBufPutU8(dst, cfg->rleMarkerW))
2386
f543475ea0eb Rename some labels err -> out.
Matti Hamalainen <ccr@tnsp.org>
parents: 2380
diff changeset
582 goto out;
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
583
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
584 switch (cfg->flags & DM_RLE_ORDER_MASK)
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
585 {
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
586 case DM_RLE_ORDER_1:
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
587 if (!dmGrowBufPutU16LE(dst, count) ||
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
588 !dmGrowBufPutU8(dst, data))
2386
f543475ea0eb Rename some labels err -> out.
Matti Hamalainen <ccr@tnsp.org>
parents: 2380
diff changeset
589 goto out;
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
590 break;
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
591
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
592 case DM_RLE_ORDER_2:
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
593 if (!dmGrowBufPutU8(dst, data) ||
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
594 !dmGrowBufPutU16LE(dst, count))
2386
f543475ea0eb Rename some labels err -> out.
Matti Hamalainen <ccr@tnsp.org>
parents: 2380
diff changeset
595 goto out;
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
596 break;
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
597 }
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
598 }
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
599 else
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
600 if ((cfg->flags & DM_RLE_BYTE_RUNS) &&
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
601 (count >= cfg->rleMinCountB || data == cfg->rleMarkerB))
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
602 {
1818
7bafe5f0998d Implement DM_RLE_ZERO_COUNT_MAX support in the generic RLE compressor.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
603 if (count == 256 && (cfg->flags & DM_RLE_ZERO_COUNT_MAX))
7bafe5f0998d Implement DM_RLE_ZERO_COUNT_MAX support in the generic RLE compressor.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
604 count = 0;
7bafe5f0998d Implement DM_RLE_ZERO_COUNT_MAX support in the generic RLE compressor.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
605
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
606 if (!dmGrowBufPutU8(dst, cfg->rleMarkerB))
2386
f543475ea0eb Rename some labels err -> out.
Matti Hamalainen <ccr@tnsp.org>
parents: 2380
diff changeset
607 goto out;
1573
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
608
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
609 switch (cfg->flags & DM_RLE_ORDER_MASK)
1573
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
610 {
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
611 case DM_RLE_ORDER_1:
1573
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
612 if (!dmGrowBufPutU8(dst, count) ||
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
613 !dmGrowBufPutU8(dst, data))
2386
f543475ea0eb Rename some labels err -> out.
Matti Hamalainen <ccr@tnsp.org>
parents: 2380
diff changeset
614 goto out;
1573
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
615 break;
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
616
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
617 case DM_RLE_ORDER_2:
1573
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
618 if (!dmGrowBufPutU8(dst, data) ||
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
619 !dmGrowBufPutU8(dst, count))
2386
f543475ea0eb Rename some labels err -> out.
Matti Hamalainen <ccr@tnsp.org>
parents: 2380
diff changeset
620 goto out;
1573
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
621 break;
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
622 }
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
623 }
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
624 else
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
625 copyOnly = TRUE;
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
626 break;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
627
1505
3265175b24d2 Change the passing of RLE compression/decompression parameters to be in a dedicated struct.
Matti Hamalainen <ccr@tnsp.org>
parents: 1503
diff changeset
628 case DM_COMP_RLE_MASK:
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
629 if (count >= cfg->rleMinCountB || (data & cfg->rleMarkerMask) == cfg->rleMarkerBits)
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
630 {
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
631 // Mask marker RLE: usually high bit(s) of byte mark RLE sequence
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
632 // and the lower bits contain the count: [Mask + count] [data]
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
633 if (!dmGrowBufPutU8(dst, cfg->rleMarkerBits | count) ||
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
634 !dmGrowBufPutU8(dst, data))
2386
f543475ea0eb Rename some labels err -> out.
Matti Hamalainen <ccr@tnsp.org>
parents: 2380
diff changeset
635 goto out;
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
636 }
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
637 else
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
638 copyOnly = TRUE;
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
639 break;
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
640 }
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
641
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
642 if (copyOnly && (res = dmGenericRLEOutputRun(dst, cfg, data, count)) != DMERR_OK)
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
643 return res;
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
644
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
645 return DMERR_OK;
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
646
2386
f543475ea0eb Rename some labels err -> out.
Matti Hamalainen <ccr@tnsp.org>
parents: 2380
diff changeset
647 out:
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
648 return dmError(DMERR_MALLOC,
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
649 "%s: RLE: Could not output RLE sequence %d x 0x%02x.\n",
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
650 cfg->func, count, data);
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
651 }
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
652
1466
bc75be0546fc More work on RLE decoder/encoder changes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1465
diff changeset
653
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
654 int dmEncodeGenericRLE(DMGrowBuf *dst, const DMGrowBuf *psrc, const DMCompParams *cfg)
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
655 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
656 DMGrowBuf src;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
657 unsigned int count = 0;
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
658 int prev = -1, res = DMERR_OK;
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
659 Uint8 data;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
660
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
661 // As we need to modify the offs, etc. but not the data,
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
662 // we will just make a shallow copy of the DMGrowBuf struct
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
663 dmGrowBufConstCopy(&src, psrc);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
664 dmSetupRLEBuffers(dst, &src, cfg);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
665
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
666 while (dmGrowBufGetU8(&src, &data))
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
667 {
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
668 // If new data byte is different, or we exceed the rleMaxCount
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
669 // for the active runs mode(s) .. then encode the run.
1833
19d4f76e003d Improve RLE compression by checking for "first byte" condition in the compressor.
Matti Hamalainen <ccr@tnsp.org>
parents: 1831
diff changeset
670 if ((data != prev && prev != -1) ||
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
671 ((cfg->flags & DM_RLE_WORD_RUNS) && count >= cfg->rleMaxCountW) ||
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
672 (((cfg->flags & DM_RLE_RUNS_MASK) == DM_RLE_BYTE_RUNS) && count >= cfg->rleMaxCountB))
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
673 {
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
674 if ((res = dmEncodeGenericRLESequence(dst, prev, count, cfg)) != DMERR_OK)
2386
f543475ea0eb Rename some labels err -> out.
Matti Hamalainen <ccr@tnsp.org>
parents: 2380
diff changeset
675 goto out;
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
676
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
677 count = 1;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
678 }
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
679 else
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
680 count++;
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
681
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
682 prev = data;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
683 }
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
684
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
685 // If there is anything left in the output queue ..
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
686 if ((res = dmEncodeGenericRLESequence(dst, prev, count, cfg)) != DMERR_OK)
2386
f543475ea0eb Rename some labels err -> out.
Matti Hamalainen <ccr@tnsp.org>
parents: 2380
diff changeset
687 goto out;
1518
24b8b452925e Improve error handling of RLE encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1513
diff changeset
688
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
689 dmFinishRLEBuffers(dst, &src, cfg);
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
690
2386
f543475ea0eb Rename some labels err -> out.
Matti Hamalainen <ccr@tnsp.org>
parents: 2380
diff changeset
691 out:
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
692 return res;
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
693 }
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
694
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
695
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
696 int dmEncodeGenericRLEAlloc(DMGrowBuf *dst, const DMGrowBuf *src, const DMCompParams *cfg)
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
697 {
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
698 int res;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
699 if ((res = dmGrowBufAlloc(dst, BUF_SIZE_INITIAL, BUF_SIZE_GROW)) != DMERR_OK)
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
700 return res;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
701
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
702 return dmEncodeGenericRLE(dst, src, cfg);
523
d0c0c6baeb57 Split the RLE decoding from DrazPaint/Lace and Amica paint decoders to a
Matti Hamalainen <ccr@tnsp.org>
parents: 519
diff changeset
703 }
d0c0c6baeb57 Split the RLE decoding from DrazPaint/Lace and Amica paint decoders to a
Matti Hamalainen <ccr@tnsp.org>
parents: 519
diff changeset
704
519
feaaf0e2ecbe Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 518
diff changeset
705
1537
776aa43b2c57 Tiny improvement in MC->FLI upconversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 1534
diff changeset
706 int dmC64SanityCheckEncDecOp(const int i, const DMC64EncDecOp *op, const DMC64Image *img)
510
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
707 {
2196
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to
Matti Hamalainen <ccr@tnsp.org>
parents: 2194
diff changeset
708 if (op->flags == 0)
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to
Matti Hamalainen <ccr@tnsp.org>
parents: 2194
diff changeset
709 {
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to
Matti Hamalainen <ccr@tnsp.org>
parents: 2194
diff changeset
710 return dmError(DMERR_INTERNAL,
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to
Matti Hamalainen <ccr@tnsp.org>
parents: 2194
diff changeset
711 "Invalid operation flags value %d in generic encode/decode operator %d @ #%d.\n",
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to
Matti Hamalainen <ccr@tnsp.org>
parents: 2194
diff changeset
712 op->flags, op->type, i);
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to
Matti Hamalainen <ccr@tnsp.org>
parents: 2194
diff changeset
713 }
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to
Matti Hamalainen <ccr@tnsp.org>
parents: 2194
diff changeset
714
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
715 switch (op->type)
510
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
716 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
717 case DO_COPY:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
718 case DO_SET_MEM:
1726
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
719 case DO_SET_MEM_HI:
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
720 case DO_SET_MEM_LO:
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
721 case DO_SET_OP:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
722 switch (op->subject)
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
723 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
724 case DS_COLOR_RAM:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
725 case DS_BITMAP_RAM:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
726 case DS_SCREEN_RAM:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
727 case DS_CHAR_DATA:
2179
8d53da5bf067 Rename DMC64Image::nbanks to nblocks, which reflects better what it does.
Matti Hamalainen <ccr@tnsp.org>
parents: 2175
diff changeset
728 if (op->bank < 0 || op->bank > img->nblocks)
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
729 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
730 return dmError(DMERR_INTERNAL,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
731 "Invalid bank %d / %d definition in generic encode/decode operator %d @ #%d.\n",
2179
8d53da5bf067 Rename DMC64Image::nbanks to nblocks, which reflects better what it does.
Matti Hamalainen <ccr@tnsp.org>
parents: 2175
diff changeset
732 op->bank, img->nblocks, op->type, i);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
733 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
734 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
735
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
736 case DS_EXTRA_DATA:
2125
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2122
diff changeset
737 if (op->bank < 0 || op->bank >= D64_MAX_EXTRA_DATA)
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
738 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
739 return dmError(DMERR_INTERNAL,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
740 "Invalid bank %d definition in generic encode/decode operator %d @ #%d.\n",
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
741 op->bank, op->type, i);
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
742 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
743 break;
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
744 }
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
745 break;
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
746
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
747 // Just list the allowed ops here
1922
3c6f638ce402 Remove the useless distinction of DO_ENC_FUNC and DO_DEC_FUNC, as the
Matti Hamalainen <ccr@tnsp.org>
parents: 1919
diff changeset
748 case DO_FUNC:
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
749 case DO_CHAR_CFG:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
750 case DO_LAST:
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
751 break;
510
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
752
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
753 default:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
754 return dmError(DMERR_INTERNAL,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
755 "Invalid op type %d in generic encode/decode operator @ #%d.\n",
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
756 op->type, i);
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
757 break;
510
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
758 }
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
759
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
760 return DMERR_OK;
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
761 }
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
762
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
763
1933
c5a46cb4cce5 Change DMC64ImageFormat parameter of dmC64GetSubjectSize() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1931
diff changeset
764 size_t dmC64GetSubjectSize(const int subject, const DMC64ImageCommonFormat *fmt)
927
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
765 {
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
766 switch (subject)
927
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
767 {
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
768 case DS_SCREEN_RAM:
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
769 case DS_COLOR_RAM:
1933
c5a46cb4cce5 Change DMC64ImageFormat parameter of dmC64GetSubjectSize() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1931
diff changeset
770 return fmt->chHeight * fmt->chWidth;
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
771
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
772 case DS_BITMAP_RAM:
1933
c5a46cb4cce5 Change DMC64ImageFormat parameter of dmC64GetSubjectSize() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1931
diff changeset
773 return fmt->chHeight * fmt->chWidth * 8;
927
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
774
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
775 case DS_CHAR_DATA:
2125
56d4dc81774b Rename various C64_* constants to D64_*.
Matti Hamalainen <ccr@tnsp.org>
parents: 2122
diff changeset
776 return D64_MAX_CHARS * D64_CHR_SIZE;
927
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
777
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
778 case DS_D020:
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
779 case DS_BGCOL:
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
780 case DS_D021:
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
781 case DS_D022:
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
782 case DS_D023:
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
783 case DS_D024:
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
784 return 1;
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
785
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
786 default:
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
787 // Default to size of 0
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
788 return 0;
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
789 }
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
790 }
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
791
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
792
1933
c5a46cb4cce5 Change DMC64ImageFormat parameter of dmC64GetSubjectSize() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1931
diff changeset
793 size_t dmC64GetOpSubjectSize(const DMC64EncDecOp *op, const DMC64ImageCommonFormat *fmt)
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
794 {
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
795 size_t size = dmC64GetSubjectSize(op->subject, fmt);
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
796
1632
2a1866fd546e Use C64 encdec operator specified size for the element if it is larger than the default size.
Matti Hamalainen <ccr@tnsp.org>
parents: 1631
diff changeset
797 // If the operator specified size is larger, use it.
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
798 if (op->size > size)
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
799 size = op->size;
1632
2a1866fd546e Use C64 encdec operator specified size for the element if it is larger than the default size.
Matti Hamalainen <ccr@tnsp.org>
parents: 1631
diff changeset
800
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
801 return size;
927
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
802 }
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
803
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
804
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
805 const char *dmC64GetOpSubjectName(const int subject)
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
806 {
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
807 static const char *subjectNames[DS_LAST] =
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
808 {
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
809 "Color RAM",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
810 "Bitmap RAM",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
811 "Screen RAM",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
812 "Extra data",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
813 "Character data",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
814
2265
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for
Matti Hamalainen <ccr@tnsp.org>
parents: 2238
diff changeset
815 "d020 / border",
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for
Matti Hamalainen <ccr@tnsp.org>
parents: 2238
diff changeset
816 "d021 / background",
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
817 "d022",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
818 "d023",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
819 "d024",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
820 };
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
821 if (subject >= 0 && subject < DS_LAST)
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
822 return subjectNames[subject];
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
823 else
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
824 return NULL;
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
825 }
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
826
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
827
2171
a39bf85308e5 Add helper function dmC64GetOpType() and use it to display operator type
Matti Hamalainen <ccr@tnsp.org>
parents: 2157
diff changeset
828 const char *dmC64GetOpType(const int type)
a39bf85308e5 Add helper function dmC64GetOpType() and use it to display operator type
Matti Hamalainen <ccr@tnsp.org>
parents: 2157
diff changeset
829 {
a39bf85308e5 Add helper function dmC64GetOpType() and use it to display operator type
Matti Hamalainen <ccr@tnsp.org>
parents: 2157
diff changeset
830 static const char *typeNames[DO_LAST] =
a39bf85308e5 Add helper function dmC64GetOpType() and use it to display operator type
Matti Hamalainen <ccr@tnsp.org>
parents: 2157
diff changeset
831 {
a39bf85308e5 Add helper function dmC64GetOpType() and use it to display operator type
Matti Hamalainen <ccr@tnsp.org>
parents: 2157
diff changeset
832 "COPY",
a39bf85308e5 Add helper function dmC64GetOpType() and use it to display operator type
Matti Hamalainen <ccr@tnsp.org>
parents: 2157
diff changeset
833 "SET_MEM",
a39bf85308e5 Add helper function dmC64GetOpType() and use it to display operator type
Matti Hamalainen <ccr@tnsp.org>
parents: 2157
diff changeset
834 "SET_OP",
a39bf85308e5 Add helper function dmC64GetOpType() and use it to display operator type
Matti Hamalainen <ccr@tnsp.org>
parents: 2157
diff changeset
835 "SET_MEM_HI",
a39bf85308e5 Add helper function dmC64GetOpType() and use it to display operator type
Matti Hamalainen <ccr@tnsp.org>
parents: 2157
diff changeset
836 "SET_MEM_LO",
a39bf85308e5 Add helper function dmC64GetOpType() and use it to display operator type
Matti Hamalainen <ccr@tnsp.org>
parents: 2157
diff changeset
837
a39bf85308e5 Add helper function dmC64GetOpType() and use it to display operator type
Matti Hamalainen <ccr@tnsp.org>
parents: 2157
diff changeset
838 "FUNC",
a39bf85308e5 Add helper function dmC64GetOpType() and use it to display operator type
Matti Hamalainen <ccr@tnsp.org>
parents: 2157
diff changeset
839 "CHAR_CFG",
a39bf85308e5 Add helper function dmC64GetOpType() and use it to display operator type
Matti Hamalainen <ccr@tnsp.org>
parents: 2157
diff changeset
840 };
a39bf85308e5 Add helper function dmC64GetOpType() and use it to display operator type
Matti Hamalainen <ccr@tnsp.org>
parents: 2157
diff changeset
841 if (type >= 0 && type < DO_LAST)
a39bf85308e5 Add helper function dmC64GetOpType() and use it to display operator type
Matti Hamalainen <ccr@tnsp.org>
parents: 2157
diff changeset
842 return typeNames[type];
a39bf85308e5 Add helper function dmC64GetOpType() and use it to display operator type
Matti Hamalainen <ccr@tnsp.org>
parents: 2157
diff changeset
843 else
a39bf85308e5 Add helper function dmC64GetOpType() and use it to display operator type
Matti Hamalainen <ccr@tnsp.org>
parents: 2157
diff changeset
844 return "ERROR";
a39bf85308e5 Add helper function dmC64GetOpType() and use it to display operator type
Matti Hamalainen <ccr@tnsp.org>
parents: 2157
diff changeset
845 }
a39bf85308e5 Add helper function dmC64GetOpType() and use it to display operator type
Matti Hamalainen <ccr@tnsp.org>
parents: 2157
diff changeset
846
a39bf85308e5 Add helper function dmC64GetOpType() and use it to display operator type
Matti Hamalainen <ccr@tnsp.org>
parents: 2157
diff changeset
847
2108
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
848 const DMC64MemBlock * dmC64GetOpMemBlock(const DMC64Image *img, const int subject, const int bank)
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
849 {
2179
8d53da5bf067 Rename DMC64Image::nbanks to nblocks, which reflects better what it does.
Matti Hamalainen <ccr@tnsp.org>
parents: 2175
diff changeset
850 if (bank >= 0 && bank < img->nblocks)
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
851 {
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
852 switch (subject)
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
853 {
2108
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
854 case DS_COLOR_RAM : return &img->color[bank];
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
855 case DS_SCREEN_RAM : return &img->screen[bank];
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
856 case DS_BITMAP_RAM : return &img->bitmap[bank];
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
857 case DS_CHAR_DATA : return &img->charData[bank];
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
858 case DS_EXTRA_DATA : return &img->extraData[bank];
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
859 }
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
860 }
2108
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
861
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
862 return NULL;
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
863 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
864
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
865
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
866 typedef struct
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
867 {
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
868 int opn;
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
869 const DMC64EncDecOp *op;
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
870 size_t size;
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
871 const DMGrowBuf *buf;
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
872 const char *subjname;
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
873 } DMC64EncDecCtx;
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
874
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
875
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
876 static void dmC64EncDecErrorMsg(DMC64EncDecCtx *ctx, const char *msg)
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
877 {
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
878 dmErrorMsg(
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
879 "%s in op #%d, subject='%s', "
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
880 "offs=%d ($%04x), bank=%d, "
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
881 "size=%" DM_PRIu_SIZE_T " ($%04" DM_PRIx_SIZE_T ") "
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
882 "@ %" DM_PRIu_SIZE_T " ($%04" DM_PRIx_SIZE_T ")\n",
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
883 msg, ctx->opn, ctx->subjname,
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
884 ctx->op->offs, ctx->op->offs,
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
885 ctx->op->bank,
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
886 ctx->size, ctx->size,
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
887 ctx->buf->len, ctx->buf->len);
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
888 }
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
889
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
890
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
891 DM_ATTR_PRINTF_FMT(3, 4)
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
892 static int dmC64EncDecError(DMC64EncDecCtx *ctx, const int res, const char *fmt, ...)
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
893 {
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
894 char *msg;
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
895 va_list ap;
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
896
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
897 va_start(ap, fmt);
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
898 msg = dm_strdup_vprintf(fmt, ap);
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
899 va_end(ap);
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
900
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
901 dmC64EncDecErrorMsg(ctx, msg);
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
902
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
903 dmFree(msg);
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
904 return res;
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
905 }
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
906
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
907
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
908 int dmC64DecodeGenericBMP(DMC64Image *img, const DMGrowBuf *buf, const DMC64ImageFormat *fmt)
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
909 {
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
910 DMC64EncDecCtx ctx;
1460
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
911 int res = DMERR_OK;
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
912
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
913 if (buf == NULL || buf->data == NULL || img == NULL || fmt == NULL)
513
486067f39bc1 Add sanity checking.
Matti Hamalainen <ccr@tnsp.org>
parents: 511
diff changeset
914 return DMERR_NULLPTR;
486067f39bc1 Add sanity checking.
Matti Hamalainen <ccr@tnsp.org>
parents: 511
diff changeset
915
2265
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for
Matti Hamalainen <ccr@tnsp.org>
parents: 2238
diff changeset
916 dmC64SetupImageData(img, fmt);
2407
c5a32812dd97 Oops, forgot to set up the DMC64EncDecCtx::buf to point to the correct
Matti Hamalainen <ccr@tnsp.org>
parents: 2398
diff changeset
917 ctx.buf = buf;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
918
518
63849f85db57 Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 517
diff changeset
919 // Perform decoding
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
920 for (ctx.opn = 0; ctx.opn < D64_MAX_ENCDEC_OPS; ctx.opn++)
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
921 {
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
922 DMC64MemBlock *blk = NULL;
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
923 const Uint8 *src;
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
924 Uint8 value;
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
925
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
926 ctx.op = fmtGetEncDecOp(fmt, ctx.opn);
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
927 ctx.subjname = dmC64GetOpSubjectName(ctx.op->subject);
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
928
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
929 // Check for last operator
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
930 if (ctx.op->type == DO_LAST)
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
931 break;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
932
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
933 // Check operation validity
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
934 if ((res = dmC64SanityCheckEncDecOp(ctx.opn, ctx.op, img)) != DMERR_OK)
510
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
935 return res;
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
936
2196
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to
Matti Hamalainen <ccr@tnsp.org>
parents: 2194
diff changeset
937 // Check flags
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
938 if ((ctx.op->flags & DF_DECODE) == 0)
2196
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to
Matti Hamalainen <ccr@tnsp.org>
parents: 2194
diff changeset
939 continue;
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to
Matti Hamalainen <ccr@tnsp.org>
parents: 2194
diff changeset
940
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
941 // Is the operation inside the bounds?
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
942 ctx.size = dmC64GetOpSubjectSize(ctx.op, fmt->format);
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
943 if (ctx.op->type == DO_COPY && ctx.op->offs + ctx.size > buf->len + 1)
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
944 {
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
945 return dmC64EncDecError(&ctx, DMERR_INVALID_DATA,
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
946 "Decode SRC out of bounds");
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
947 }
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
948
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
949 src = buf->data + ctx.op->offs;
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
950
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
951 // Perform operation
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
952 switch (ctx.op->type)
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
953 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
954 case DO_COPY:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
955 case DO_SET_MEM:
1726
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
956 case DO_SET_MEM_HI:
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
957 case DO_SET_MEM_LO:
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
958 case DO_SET_OP:
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
959 switch (ctx.op->subject)
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
960 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
961 case DS_COLOR_RAM:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
962 case DS_SCREEN_RAM:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
963 case DS_BITMAP_RAM:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
964 case DS_CHAR_DATA:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
965 case DS_EXTRA_DATA:
2108
5f8f170f8774 Change dmC64GetOpMemBlock() function API.
Matti Hamalainen <ccr@tnsp.org>
parents: 2094
diff changeset
966 // XXX BZZZT .. a nasty cast here
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
967 blk = (DMC64MemBlock *) dmC64GetOpMemBlock(img, ctx.op->subject, ctx.op->bank);
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
968
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
969 if ((dmC64MemBlockReAlloc(blk, ctx.op->blkoffs + ctx.size)) != DMERR_OK)
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
970 {
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
971 return dmC64EncDecError(&ctx, DMERR_MALLOC,
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
972 "Could not allocate '%s' block",
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
973 ctx.subjname);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
974 }
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
975 switch (ctx.op->type)
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
976 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
977 case DO_COPY:
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
978 memcpy(blk->data + ctx.op->blkoffs, src, ctx.size);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
979 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
980
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
981 case DO_SET_MEM:
2414
69a5af2eb1ea Remove useless dmMemset().
Matti Hamalainen <ccr@tnsp.org>
parents: 2407
diff changeset
982 memset(blk->data + ctx.op->blkoffs, *src, ctx.size);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
983 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
984
1925
cf0457f93b37 Add support for DO_SET_MEM_LO and DO_SET_MEM_HI for blocks in dmC64DecodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents: 1924
diff changeset
985 case DO_SET_MEM_HI:
2414
69a5af2eb1ea Remove useless dmMemset().
Matti Hamalainen <ccr@tnsp.org>
parents: 2407
diff changeset
986 memset(blk->data + ctx.op->blkoffs, (*src >> 4) & 0x0f, ctx.size);
1925
cf0457f93b37 Add support for DO_SET_MEM_LO and DO_SET_MEM_HI for blocks in dmC64DecodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents: 1924
diff changeset
987 break;
cf0457f93b37 Add support for DO_SET_MEM_LO and DO_SET_MEM_HI for blocks in dmC64DecodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents: 1924
diff changeset
988
cf0457f93b37 Add support for DO_SET_MEM_LO and DO_SET_MEM_HI for blocks in dmC64DecodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents: 1924
diff changeset
989 case DO_SET_MEM_LO:
2414
69a5af2eb1ea Remove useless dmMemset().
Matti Hamalainen <ccr@tnsp.org>
parents: 2407
diff changeset
990 memset(blk->data + ctx.op->blkoffs, *src & 0x0f, ctx.size);
1925
cf0457f93b37 Add support for DO_SET_MEM_LO and DO_SET_MEM_HI for blocks in dmC64DecodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents: 1924
diff changeset
991 break;
cf0457f93b37 Add support for DO_SET_MEM_LO and DO_SET_MEM_HI for blocks in dmC64DecodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents: 1924
diff changeset
992
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
993 case DO_SET_OP:
2414
69a5af2eb1ea Remove useless dmMemset().
Matti Hamalainen <ccr@tnsp.org>
parents: 2407
diff changeset
994 memset(blk->data + ctx.op->blkoffs, ctx.op->offs, ctx.size);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
995 break;
1727
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
996
1721
c9a6f1dae756 Add one default case error handler.
Matti Hamalainen <ccr@tnsp.org>
parents: 1720
diff changeset
997 default:
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
998 return dmC64EncDecError(&ctx, DMERR_INTERNAL,
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
999 "Unhandled op type '%s'",
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1000 dmC64GetOpType(ctx.op->type));
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1001 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1002 break;
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1003
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1004 case DS_D020:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1005 case DS_BGCOL:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1006 case DS_D021:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1007 case DS_D022:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1008 case DS_D023:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1009 case DS_D024:
2238
5db6e0b63b35 Change again how the interlace type information is stored. Now store it in
Matti Hamalainen <ccr@tnsp.org>
parents: 2224
diff changeset
1010 case DS_EXTRA_INFO:
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1011 switch (ctx.op->type)
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1012 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1013 case DO_COPY:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1014 case DO_SET_MEM:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1015 value = *src;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1016 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1017
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1018 case DO_SET_OP:
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1019 value = ctx.op->offs;
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1020 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1021
1726
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1022 case DO_SET_MEM_HI:
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1023 value = (*src >> 4) & 0x0f;
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1024 break;
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1025
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1026 case DO_SET_MEM_LO:
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1027 value = *src & 0x0f;
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1028 break;
1924
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1029
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1030 default:
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1031 return dmC64EncDecError(&ctx, DMERR_INTERNAL,
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1032 "Unhandled op type '%s'",
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1033 dmC64GetOpType(ctx.op->type));
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1034 }
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1035 switch (ctx.op->subject)
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1036 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1037 case DS_D020: img->d020 = value; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1038 case DS_BGCOL:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1039 case DS_D021: img->bgcolor = value; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1040 case DS_D022: img->d022 = value; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1041 case DS_D023: img->d023 = value; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1042 case DS_D024: img->d024 = value; break;
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1043 case DS_EXTRA_INFO: img->extraInfo[ctx.op->blkoffs] = value; break;
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1044 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1045 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1046
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1047 default:
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1048 return dmC64EncDecError(&ctx, DMERR_INTERNAL,
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1049 "Unhandled subject '%s'",
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1050 ctx.subjname);
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1051 }
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1052 break;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1053
1922
3c6f638ce402 Remove the useless distinction of DO_ENC_FUNC and DO_DEC_FUNC, as the
Matti Hamalainen <ccr@tnsp.org>
parents: 1919
diff changeset
1054 case DO_FUNC:
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1055 if (ctx.op->decFunction != NULL &&
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1056 (res = ctx.op->decFunction(ctx.op, img, buf, fmt->format)) != DMERR_OK)
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1057 {
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1058 return dmC64EncDecError(&ctx, res,
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1059 "Decode op custom function failed");
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1060 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1061 break;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1062 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1063 }
916
3985f596ece5 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 915
diff changeset
1064
1647
948d6fda722d Add sanity check for interlaced formats: check that the interlace type flags are set.
Matti Hamalainen <ccr@tnsp.org>
parents: 1645
diff changeset
1065 // Sanity check certain things ..
2265
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for
Matti Hamalainen <ccr@tnsp.org>
parents: 2238
diff changeset
1066 if ((img->extraInfo[D64_EI_MODE] & D64_FMT_ILACE) &&
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for
Matti Hamalainen <ccr@tnsp.org>
parents: 2238
diff changeset
1067 img->extraInfo[D64_EI_ILACE_TYPE] == D64_ILACE_NONE)
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for
Matti Hamalainen <ccr@tnsp.org>
parents: 2238
diff changeset
1068 {
1647
948d6fda722d Add sanity check for interlaced formats: check that the interlace type flags are set.
Matti Hamalainen <ccr@tnsp.org>
parents: 1645
diff changeset
1069 return dmError(DMERR_INTERNAL,
948d6fda722d Add sanity check for interlaced formats: check that the interlace type flags are set.
Matti Hamalainen <ccr@tnsp.org>
parents: 1645
diff changeset
1070 "Format '%s' (%s) has interlace flag set, but interlace type is not set.\n",
948d6fda722d Add sanity check for interlaced formats: check that the interlace type flags are set.
Matti Hamalainen <ccr@tnsp.org>
parents: 1645
diff changeset
1071 fmt->name, fmt->fext);
948d6fda722d Add sanity check for interlaced formats: check that the interlace type flags are set.
Matti Hamalainen <ccr@tnsp.org>
parents: 1645
diff changeset
1072 }
948d6fda722d Add sanity check for interlaced formats: check that the interlace type flags are set.
Matti Hamalainen <ccr@tnsp.org>
parents: 1645
diff changeset
1073
508
1ed5025c2538 Return DMLIB error values instead of arbitrary 0/negatives.
Matti Hamalainen <ccr@tnsp.org>
parents: 507
diff changeset
1074 return DMERR_OK;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1075 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1076
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1077
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1078 int dmC64EncodeGenericBMP(const BOOL allocate, DMGrowBuf *buf, const DMC64Image *img, const DMC64ImageFormat *fmt)
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1079 {
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1080 DMC64EncDecCtx ctx;
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
1081 int res = DMERR_OK;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1082
1469
0046b4e1b35f Various fixes in bmp encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1467
diff changeset
1083 if (img == NULL || fmt == NULL)
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1084 return DMERR_NULLPTR;
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1085
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1086 // Allocate the output buffer if requested
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1087 if (allocate && (res = dmGrowBufAlloc(buf, BUF_SIZE_INITIAL, BUF_SIZE_GROW)) != DMERR_OK)
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1088 {
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1089 return dmError(res,
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1090 "Could not allocate %" DM_PRIu_SIZE_T " bytes of memory for C64 image encoding buffer.\n",
1465
88845f95e791 Change dmC64EncodeGenericBMP() to use DMGrowBuf, and make the necessary changes in gfxconv as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1463
diff changeset
1091 fmt->size);
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1092 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1093
1697
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1094 if (buf->backwards)
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1095 {
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1096 return dmError(DMERR_INVALID_DATA,
1697
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1097 "Buffer specified for dmC64EncodeGenericBMP() is in backwards mode, which is not supported.\n");
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1098 }
1506
4fd4e7a00db4 Fix handling of predefined DMGrowBuffer in dmC64EncodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents: 1505
diff changeset
1099
2407
c5a32812dd97 Oops, forgot to set up the DMC64EncDecCtx::buf to point to the correct
Matti Hamalainen <ccr@tnsp.org>
parents: 2398
diff changeset
1100 ctx.buf = buf;
c5a32812dd97 Oops, forgot to set up the DMC64EncDecCtx::buf to point to the correct
Matti Hamalainen <ccr@tnsp.org>
parents: 2398
diff changeset
1101
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1102 // Perform encoding
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1103 for (ctx.opn = 0; ctx.opn < D64_MAX_ENCDEC_OPS; ctx.opn++)
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1104 {
1600
e28e67358ff6 Fix some uninitialized variable warnings.
Matti Hamalainen <ccr@tnsp.org>
parents: 1597
diff changeset
1105 const DMC64MemBlock *blk = NULL;
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1106 size_t chksize;
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1107 Uint8 value;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1108
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1109 ctx.op = fmtGetEncDecOp(fmt, ctx.opn);
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1110 ctx.subjname = dmC64GetOpSubjectName(ctx.op->subject);
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1111
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
1112 // Check for last operator
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1113 if (ctx.op->type == DO_LAST)
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
1114 break;
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
1115
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
1116 // Check operation validity
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1117 if ((res = dmC64SanityCheckEncDecOp(ctx.opn, ctx.op, img)) != DMERR_OK)
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1118 return res;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1119
2196
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to
Matti Hamalainen <ccr@tnsp.org>
parents: 2194
diff changeset
1120 // Check flags
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1121 if ((ctx.op->flags & DF_ENCODE) == 0)
2196
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to
Matti Hamalainen <ccr@tnsp.org>
parents: 2194
diff changeset
1122 continue;
28871f500e84 Add new "flags" field to DMC64EncDecOp, defined by DF_* that can be used to
Matti Hamalainen <ccr@tnsp.org>
parents: 2194
diff changeset
1123
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
1124 // Do we need to reallocate some more space?
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1125 ctx.size = dmC64GetOpSubjectSize(ctx.op, fmt->format);
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1126 chksize = buf->offs + ctx.op->offs + ctx.size;
1465
88845f95e791 Change dmC64EncodeGenericBMP() to use DMGrowBuf, and make the necessary changes in gfxconv as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1463
diff changeset
1127 if (!dmGrowBufCheckGrow(buf, chksize))
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1128 {
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1129 return dmError(DMERR_MALLOC,
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1130 "Could not re-allocate %" DM_PRIu_SIZE_T " bytes of memory for C64 image encoding buffer.\n",
1465
88845f95e791 Change dmC64EncodeGenericBMP() to use DMGrowBuf, and make the necessary changes in gfxconv as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1463
diff changeset
1131 chksize);
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1132 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1133
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
1134 // Perform operation
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1135 Uint8 *dst = buf->data + buf->offs + ctx.op->offs;
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1136 switch (ctx.op->type)
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1137 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1138 case DO_COPY:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1139 case DO_SET_MEM:
1926
f4fa11ecdc6f Add some operators case handlers.
Matti Hamalainen <ccr@tnsp.org>
parents: 1925
diff changeset
1140 case DO_SET_MEM_HI:
f4fa11ecdc6f Add some operators case handlers.
Matti Hamalainen <ccr@tnsp.org>
parents: 1925
diff changeset
1141 case DO_SET_MEM_LO:
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1142 case DO_SET_OP:
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1143 switch (ctx.op->subject)
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
1144 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1145 case DS_COLOR_RAM:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1146 case DS_SCREEN_RAM:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1147 case DS_BITMAP_RAM:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1148 case DS_CHAR_DATA:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1149 case DS_EXTRA_DATA:
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1150 blk = dmC64GetOpMemBlock(img, ctx.op->subject, ctx.op->bank);
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1151 switch (ctx.op->type)
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1152 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1153 case DO_COPY:
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1154 if (blk->data == NULL)
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1155 {
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1156 return dmC64EncDecError(&ctx, DMERR_NULLPTR,
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1157 "'%s' block is NULL",
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1158 ctx.subjname);
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1159 }
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1160 if (ctx.op->blkoffs + ctx.size > blk->size)
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1161 {
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1162 return dmC64EncDecError(&ctx, DMERR_INTERNAL,
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1163 "'%s' size mismatch %" DM_PRIu_SIZE_T " <> %" DM_PRIu_SIZE_T,
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1164 ctx.subjname, ctx.op->blkoffs + ctx.size, blk->size);
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1165 }
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1166 memcpy(dst, blk->data + ctx.op->blkoffs, ctx.size);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1167 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1168
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1169 case DO_SET_MEM:
1926
f4fa11ecdc6f Add some operators case handlers.
Matti Hamalainen <ccr@tnsp.org>
parents: 1925
diff changeset
1170 case DO_SET_MEM_HI:
f4fa11ecdc6f Add some operators case handlers.
Matti Hamalainen <ccr@tnsp.org>
parents: 1925
diff changeset
1171 case DO_SET_MEM_LO:
f4fa11ecdc6f Add some operators case handlers.
Matti Hamalainen <ccr@tnsp.org>
parents: 1925
diff changeset
1172 case DO_SET_OP:
1918
ba88ff5e85ea Fix a silly bug in the generic c64 bitmap encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1917
diff changeset
1173 // This operation makes no sense in encoding, so do nothing
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1174 break;
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1175
1924
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1176 default:
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1177 return dmC64EncDecError(&ctx, DMERR_INTERNAL,
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1178 "Unhandled op type '%s'",
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1179 dmC64GetOpType(ctx.op->type));
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1180 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1181 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1182
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1183 case DS_D020:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1184 case DS_BGCOL:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1185 case DS_D021:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1186 case DS_D022:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1187 case DS_D023:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1188 case DS_D024:
2238
5db6e0b63b35 Change again how the interlace type information is stored. Now store it in
Matti Hamalainen <ccr@tnsp.org>
parents: 2224
diff changeset
1189 case DS_EXTRA_INFO:
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1190 switch (ctx.op->subject)
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1191 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1192 case DS_D020: value = img->d020; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1193 case DS_BGCOL:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1194 case DS_D021: value = img->bgcolor; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1195 case DS_D022: value = img->d022; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1196 case DS_D023: value = img->d023; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1197 case DS_D024: value = img->d024; break;
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1198 case DS_EXTRA_INFO: value = img->extraInfo[ctx.op->blkoffs]; break;
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1199 }
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1200 switch (ctx.op->type)
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1201 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1202 case DO_COPY:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1203 case DO_SET_MEM:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1204 *dst = value;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1205 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1206
1726
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1207 case DO_SET_MEM_HI:
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1208 *dst |= (value & 0x0f) << 4;
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1209 break;
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1210
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1211 case DO_SET_MEM_LO:
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1212 *dst |= value & 0x0f;
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1213 break;
f9128665a47e Implement operator types DO_SET_MEM_HI and DO_SET_MEM_LO. Not used yet.
Matti Hamalainen <ccr@tnsp.org>
parents: 1725
diff changeset
1214
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1215 case DO_SET_OP:
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1216 // Do nothing in this case
2238
5db6e0b63b35 Change again how the interlace type information is stored. Now store it in
Matti Hamalainen <ccr@tnsp.org>
parents: 2224
diff changeset
1217 // XXX TODO: what about DS_EXTRA_INFO?
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1218 break;
1924
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1219
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1220 default:
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1221 return dmC64EncDecError(&ctx, DMERR_INTERNAL,
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1222 "Unhandled op type '%s'",
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1223 dmC64GetOpType(ctx.op->type));
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1224 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1225 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1226
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1227 default:
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1228 return dmC64EncDecError(&ctx, DMERR_INTERNAL,
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1229 "Unhandled subject '%s'", ctx.subjname);
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1230 }
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1231 break;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1232
1922
3c6f638ce402 Remove the useless distinction of DO_ENC_FUNC and DO_DEC_FUNC, as the
Matti Hamalainen <ccr@tnsp.org>
parents: 1919
diff changeset
1233 case DO_FUNC:
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1234 if (ctx.op->encFunction != NULL &&
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1235 (res = ctx.op->encFunction(ctx.op, buf, img, fmt->format)) != DMERR_OK)
904
d3cd9f2a8ef1 Some dummy code for encfunctions.
Matti Hamalainen <ccr@tnsp.org>
parents: 903
diff changeset
1236 {
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1237 return dmC64EncDecError(&ctx, res,
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1238 "Encode op custom function failed");
904
d3cd9f2a8ef1 Some dummy code for encfunctions.
Matti Hamalainen <ccr@tnsp.org>
parents: 903
diff changeset
1239 }
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1240 break;
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1241 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1242 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1243
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1244 return DMERR_OK;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1245 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1246
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1247
2345
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1248 //
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1249 // Helper functions for pixel format decoding
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1250 //
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1251 int dmC64GetGenericSCPixel(Uint8 *col,
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1252 const DMC64Image *img, const int bmoffs, const int scroffs,
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1253 const int vshift, const int vbank, const int bitmap)
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1254 {
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1255 if ((img->bitmap[bitmap].data[bmoffs] >> vshift) & 1)
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1256 *col = img->screen[vbank].data[scroffs] >> 4;
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1257 else
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1258 *col = img->screen[vbank].data[scroffs] & 15;
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1259
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1260 return DMERR_OK;
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1261 }
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1262
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1263
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1264 int dmC64GetGenericMCPixel(Uint8 *col,
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1265 const DMC64Image *img, const int bmoffs, const int scroffs,
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1266 const int vshift, const int vbank, const int bitmap,
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1267 const int cbank, const int bgcolor)
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1268 {
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1269 switch ((img->bitmap[bitmap].data[bmoffs] >> vshift) & 3)
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1270 {
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1271 case 0: *col = bgcolor & 15; break;
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1272 case 1: *col = img->screen[vbank].data[scroffs] >> 4; break;
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1273 case 2: *col = img->screen[vbank].data[scroffs] & 15; break;
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1274 default: *col = img->color[cbank].data[scroffs] & 15; break;
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1275 }
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1276
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1277 return DMERR_OK;
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1278 }
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1279
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1280
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1281 int dmC64GetGenericCharSCPixel(Uint8 *col,
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1282 const DMC64Image *img, const int scroffs, const int rasterX,
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1283 const int chrbank, const size_t chroffs, const int chr,
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1284 const int cbank, const int bgcolor)
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1285 {
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1286 if (chroffs >= img->charData[chrbank].size)
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1287 {
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1288 return dmError(DMERR_INVALID_DATA,
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1289 "Character map index #%d out of bounds for char ROM data.\n",
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1290 chr);
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1291 }
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1292
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1293 const int vshift = 7 - (rasterX & 7);
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1294 if ((img->charData[chrbank].data[chroffs] >> vshift) & 1)
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1295 *col = img->color[cbank].data[scroffs] & 15;
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1296 else
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1297 *col = bgcolor & 15;
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1298
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1299 return DMERR_OK;
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1300 }
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1301
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1302
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1303 int dmC64GetGenericCharMCPixel(Uint8 *col,
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1304 const DMC64Image *img, const int scroffs, const int rasterX,
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1305 const int chrbank, const size_t chroffs, const int chr,
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1306 const int cbank, const int bgcolor,
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1307 const int bgd022, const int bgd023)
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1308 {
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1309 if (chroffs >= img->charData[chrbank].size)
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1310 {
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1311 return dmError(DMERR_INVALID_DATA,
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1312 "Character map index #%d out of bounds for char ROM data.\n",
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1313 chr);
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1314 }
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1315
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1316 const int ccol = img->color[cbank].data[scroffs];
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1317 if (ccol & 8)
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1318 {
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1319 const int vshift = 6 - (rasterX & 6);
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1320 switch ((img->charData[chrbank].data[chroffs] >> vshift) & 3)
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1321 {
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1322 case 0: *col = bgcolor & 15; break;
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1323 case 1: *col = bgd022 & 15; break;
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1324 case 2: *col = bgd023 & 15; break;
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1325 case 3: *col = ccol & 7;
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1326 }
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1327 }
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1328 else
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1329 {
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1330 const int vshift = 7 - (rasterX & 7);
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1331 if ((img->charData[chrbank].data[chroffs] >> vshift) & 1)
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1332 *col = ccol & 7;
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1333 else
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1334 *col = bgcolor & 15;
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1335 }
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1336
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1337 return DMERR_OK;
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1338 }
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1339
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1340
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1341 int dmC64GetGenericCharECMPixel(Uint8 *col,
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1342 const DMC64Image *img, const int scroffs, const int rasterX,
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1343 const int chrbank, const size_t chroffs, const int chr,
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1344 const int cbank, const int bgcolor,
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1345 const int bgd022, const int bgd023, const int bgd024)
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1346 {
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1347 if (chroffs >= img->charData[0].size)
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1348 {
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1349 return dmError(DMERR_INVALID_DATA,
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1350 "Character map index #%d out of bounds for char ROM data.\n",
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1351 chr);
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1352 }
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1353
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1354 const int vshift = 7 - (rasterX & 7);
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1355 if ((img->charData[chrbank].data[chroffs] >> vshift) & 1)
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1356 *col = img->color[cbank].data[scroffs] & 15;
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1357 else
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1358 switch ((chr >> 6) & 3)
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1359 {
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1360 case 0: *col = bgcolor & 15; break;
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1361 case 1: *col = bgd022 & 15; break;
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1362 case 2: *col = bgd023 & 15; break;
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1363 case 3: *col = bgd024 & 15; break;
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1364 }
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1365
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1366 return DMERR_OK;
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1367 }
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1368
fe025c461760 Move pixel helper functions from being inline in lib64gfx.h to lib64gfx.c
Matti Hamalainen <ccr@tnsp.org>
parents: 2344
diff changeset
1369
2343
94a653883a32 Change Uint8 pointer in getPixel functions to DMC64ScanLine pointer in
Matti Hamalainen <ccr@tnsp.org>
parents: 2341
diff changeset
1370 static int fmtGetGenericSCPixel(DMC64ScanLine *scan,
2340
85cd3d36e670 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 2339
diff changeset
1371 const DMC64Image *img, const int rasterX, const int rasterY)
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1372 {
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1373 DM_C64_GENERIC_SC_PIXEL_DEFS(img)
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1374
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1375 return dmC64GetGenericSCPixel(
2343
94a653883a32 Change Uint8 pointer in getPixel functions to DMC64ScanLine pointer in
Matti Hamalainen <ccr@tnsp.org>
parents: 2341
diff changeset
1376 scan->col, img,
2132
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1377 bmoffs, scroffs,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1378 vshift, 0, 0);
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1379 }
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1380
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1381
2343
94a653883a32 Change Uint8 pointer in getPixel functions to DMC64ScanLine pointer in
Matti Hamalainen <ccr@tnsp.org>
parents: 2341
diff changeset
1382 static int fmtGetGenericMCPixel(DMC64ScanLine *scan,
2340
85cd3d36e670 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 2339
diff changeset
1383 const DMC64Image *img, const int rasterX, const int rasterY)
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1384 {
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1385 DM_C64_GENERIC_MC_PIXEL_DEFS(img)
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1386
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1387 return dmC64GetGenericMCPixel(
2343
94a653883a32 Change Uint8 pointer in getPixel functions to DMC64ScanLine pointer in
Matti Hamalainen <ccr@tnsp.org>
parents: 2341
diff changeset
1388 scan->col, img,
2132
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1389 bmoffs, scroffs,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1390 vshift, 0,
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1391 0, 0, img->bgcolor);
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1392 }
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1393
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1394
2343
94a653883a32 Change Uint8 pointer in getPixel functions to DMC64ScanLine pointer in
Matti Hamalainen <ccr@tnsp.org>
parents: 2341
diff changeset
1395 static int fmtGetGenericCharPixel(DMC64ScanLine *scan,
2172
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1396 const DMC64Image *img, const int rasterX, const int rasterY)
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1397 {
2132
6528a1398e8e Add char map helper functions and use them.
Matti Hamalainen <ccr@tnsp.org>
parents: 2131
diff changeset
1398 DM_C64_GENERIC_CHAR_PIXEL(img)
2172
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1399 int chr = img->screen[0].data[scroffs];
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1400
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1401 if (!img->extraInfo[D64_EI_CHAR_CUSTOM] &&
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1402 img->extraInfo[D64_EI_CHAR_CASE])
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1403 chr += 256; // lower case, so add 256 to char ROM offset
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1404
2265
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for
Matti Hamalainen <ccr@tnsp.org>
parents: 2238
diff changeset
1405 switch (img->extraInfo[D64_EI_MODE] & D64_FMT_MODE_MASK)
2172
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1406 {
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1407 case D64_FMT_HIRES:
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1408 return dmC64GetGenericCharSCPixel(
2343
94a653883a32 Change Uint8 pointer in getPixel functions to DMC64ScanLine pointer in
Matti Hamalainen <ccr@tnsp.org>
parents: 2341
diff changeset
1409 scan->col, img,
2172
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1410 scroffs, rasterX,
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1411 0, (chr * D64_CHR_SIZE) + (rasterY & 7), chr,
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1412 0, img->bgcolor);
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1413
2172
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1414 case D64_FMT_MC:
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1415 return dmC64GetGenericCharMCPixel(
2343
94a653883a32 Change Uint8 pointer in getPixel functions to DMC64ScanLine pointer in
Matti Hamalainen <ccr@tnsp.org>
parents: 2341
diff changeset
1416 scan->col, img,
2172
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1417 scroffs, rasterX,
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1418 0, (chr * D64_CHR_SIZE) + (rasterY & 7), chr,
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1419 0, img->bgcolor, img->d022, img->d023);
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1420
2172
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1421 case D64_FMT_ECM:
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1422 return dmC64GetGenericCharECMPixel(
2343
94a653883a32 Change Uint8 pointer in getPixel functions to DMC64ScanLine pointer in
Matti Hamalainen <ccr@tnsp.org>
parents: 2341
diff changeset
1423 scan->col, img,
2172
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1424 scroffs, rasterX,
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1425 0, ((chr & 0x3f) * D64_CHR_SIZE) + (rasterY & 7), chr,
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1426 0, img->bgcolor, img->d022, img->d023, img->d024);
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1427
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1428 default:
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1429 return dmError(DMERR_INVALID_DATA,
2265
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for
Matti Hamalainen <ccr@tnsp.org>
parents: 2238
diff changeset
1430 "Invalid character map image mode=0x%x.\n",
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for
Matti Hamalainen <ccr@tnsp.org>
parents: 2238
diff changeset
1431 img->extraInfo[D64_EI_MODE]);
2172
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1432 }
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1433 }
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1434
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1435
2337
8f4cfe59b2bb Comment.
Matti Hamalainen <ccr@tnsp.org>
parents: 2329
diff changeset
1436 // Convert a C64 format bitmap in DMC64Image struct to
530
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1437 // a indexed/paletted bitmap image.
2338
ae938889eafb Make dmC64ConvertGenericBMP2Image() and dmC64ConvertGenericImage2BMP() static.
Matti Hamalainen <ccr@tnsp.org>
parents: 2337
diff changeset
1438 static int dmC64ConvertGenericBMP2Image(DMImage *dst, const DMC64Image *src, const DMC64ImageConvSpec *spec)
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1439 {
1375
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1440 DMC64GetPixelFunc getPixel;
2343
94a653883a32 Change Uint8 pointer in getPixel functions to DMC64ScanLine pointer in
Matti Hamalainen <ccr@tnsp.org>
parents: 2341
diff changeset
1441 DMC64ScanLine scan;
530
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1442
2343
94a653883a32 Change Uint8 pointer in getPixel functions to DMC64ScanLine pointer in
Matti Hamalainen <ccr@tnsp.org>
parents: 2341
diff changeset
1443 (void) spec;
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1444
1375
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1445 // Check pixel getter function
1947
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1944
diff changeset
1446 if (src->fmt->getPixel != NULL)
8896d5676f1b Architectural change: remove some duplicated variables from DMC64Image
Matti Hamalainen <ccr@tnsp.org>
parents: 1944
diff changeset
1447 getPixel = src->fmt->getPixel;
1375
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1448 else
2265
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for
Matti Hamalainen <ccr@tnsp.org>
parents: 2238
diff changeset
1449 if (src->extraInfo[D64_EI_MODE] & D64_FMT_CHAR)
2172
de88333acc44 Move the PETSCII getpixel function to lib64gfx.c and remove the
Matti Hamalainen <ccr@tnsp.org>
parents: 2171
diff changeset
1450 getPixel = fmtGetGenericCharPixel;
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1451 else
2265
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for
Matti Hamalainen <ccr@tnsp.org>
parents: 2238
diff changeset
1452 switch (src->extraInfo[D64_EI_MODE] & D64_FMT_MODE_MASK)
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1453 {
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1454 case D64_FMT_MC : getPixel = fmtGetGenericMCPixel; break;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1455 case D64_FMT_HIRES : getPixel = fmtGetGenericSCPixel; break;
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1456 default:
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1457 return dmError(DMERR_INVALID_DATA,
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1458 "Invalid bitmap image type/fmt=0x%x.\n",
2265
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for
Matti Hamalainen <ccr@tnsp.org>
parents: 2238
diff changeset
1459 src->extraInfo[D64_EI_MODE]);
2118
05a6e00b09d0 Change D64_FMT_* MASK constants and how they are used.
Matti Hamalainen <ccr@tnsp.org>
parents: 2117
diff changeset
1460 }
1375
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1461
2414
69a5af2eb1ea Remove useless dmMemset().
Matti Hamalainen <ccr@tnsp.org>
parents: 2407
diff changeset
1462 memset(dst->data, 0, dst->size);
69a5af2eb1ea Remove useless dmMemset().
Matti Hamalainen <ccr@tnsp.org>
parents: 2407
diff changeset
1463 memset(&scan, 0, sizeof(scan));
2344
13e54305e5fc Move two memsets to later in the function.
Matti Hamalainen <ccr@tnsp.org>
parents: 2343
diff changeset
1464
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1465 // Perform conversion
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1466 for (int yc = 0; yc < dst->height; yc++)
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1467 {
2343
94a653883a32 Change Uint8 pointer in getPixel functions to DMC64ScanLine pointer in
Matti Hamalainen <ccr@tnsp.org>
parents: 2341
diff changeset
1468 scan.col = dst->data + (yc * dst->pitch);
94a653883a32 Change Uint8 pointer in getPixel functions to DMC64ScanLine pointer in
Matti Hamalainen <ccr@tnsp.org>
parents: 2341
diff changeset
1469 for (int xc = 0; xc < dst->width; xc++, scan.col++)
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1470 {
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1471 int res;
2343
94a653883a32 Change Uint8 pointer in getPixel functions to DMC64ScanLine pointer in
Matti Hamalainen <ccr@tnsp.org>
parents: 2341
diff changeset
1472 if ((res = getPixel(&scan, src, xc, yc)) != DMERR_OK)
2128
a8f5295ab2e7 Validate format index values better in dmC64GetImageTypeString().
Matti Hamalainen <ccr@tnsp.org>
parents: 2125
diff changeset
1473 return res;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1474 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1475 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1476
508
1ed5025c2538 Return DMLIB error values instead of arbitrary 0/negatives.
Matti Hamalainen <ccr@tnsp.org>
parents: 507
diff changeset
1477 return DMERR_OK;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1478 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1479
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1480
2338
ae938889eafb Make dmC64ConvertGenericBMP2Image() and dmC64ConvertGenericImage2BMP() static.
Matti Hamalainen <ccr@tnsp.org>
parents: 2337
diff changeset
1481 int dmC64ConvertBMP2Image(DMImage **pdst, const DMC64Image *src, const DMC64ImageConvSpec *pspec)
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1482 {
2338
ae938889eafb Make dmC64ConvertGenericBMP2Image() and dmC64ConvertGenericImage2BMP() static.
Matti Hamalainen <ccr@tnsp.org>
parents: 2337
diff changeset
1483 DMC64ImageConvSpec spec;
2224
a36c81c3df85 Make color interlace type generate a mixed palette instead of using special
Matti Hamalainen <ccr@tnsp.org>
parents: 2223
diff changeset
1484 BOOL mixed;
940
ff18d2511843 Remove the doubleMC madness completely. Should be replaced with x/y aspect
Matti Hamalainen <ccr@tnsp.org>
parents: 939
diff changeset
1485 int res;
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1486
2338
ae938889eafb Make dmC64ConvertGenericBMP2Image() and dmC64ConvertGenericImage2BMP() static.
Matti Hamalainen <ccr@tnsp.org>
parents: 2337
diff changeset
1487 if (pdst == NULL || src == NULL || pspec == NULL)
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1488 return DMERR_NULLPTR;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1489
2338
ae938889eafb Make dmC64ConvertGenericBMP2Image() and dmC64ConvertGenericImage2BMP() static.
Matti Hamalainen <ccr@tnsp.org>
parents: 2337
diff changeset
1490 memcpy(&spec, pspec, sizeof(spec));
ae938889eafb Make dmC64ConvertGenericBMP2Image() and dmC64ConvertGenericImage2BMP() static.
Matti Hamalainen <ccr@tnsp.org>
parents: 2337
diff changeset
1491
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1492 // Allocate image structure
2338
ae938889eafb Make dmC64ConvertGenericBMP2Image() and dmC64ConvertGenericImage2BMP() static.
Matti Hamalainen <ccr@tnsp.org>
parents: 2337
diff changeset
1493 if ((*pdst = dmImageAlloc(
2157
9a9493809b3a Rename DM_COLFMT_* constants to DM_PIXFMT_* and the 'format' field of DMImage
Matti Hamalainen <ccr@tnsp.org>
parents: 2147
diff changeset
1494 src->fmt->width, src->fmt->height, DM_PIXFMT_PALETTE, -1)) == NULL)
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1495 return DMERR_MALLOC;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1496
2201
9f3fb4004c20 Improvements to the lib64gfx palette handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 2200
diff changeset
1497 // Set palette information
2265
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for
Matti Hamalainen <ccr@tnsp.org>
parents: 2238
diff changeset
1498 mixed = (src->extraInfo[D64_EI_MODE] & D64_FMT_ILACE) &&
2238
5db6e0b63b35 Change again how the interlace type information is stored. Now store it in
Matti Hamalainen <ccr@tnsp.org>
parents: 2224
diff changeset
1499 src->extraInfo[D64_EI_ILACE_TYPE] == D64_ILACE_COLOR;
5db6e0b63b35 Change again how the interlace type information is stored. Now store it in
Matti Hamalainen <ccr@tnsp.org>
parents: 2224
diff changeset
1500
2338
ae938889eafb Make dmC64ConvertGenericBMP2Image() and dmC64ConvertGenericImage2BMP() static.
Matti Hamalainen <ccr@tnsp.org>
parents: 2337
diff changeset
1501 if ((res = dmC64SetImagePalette(*pdst, &spec, mixed)) != DMERR_OK)
2094
4276b8c0fef0 Revamp how the DMImage palette system and color formats work, as preparation
Matti Hamalainen <ccr@tnsp.org>
parents: 2061
diff changeset
1502 return res;
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1503
2339
2b22a7719a58 Comment.
Matti Hamalainen <ccr@tnsp.org>
parents: 2338
diff changeset
1504 // Perform the conversion
2223
5477e792def3 Remove useless DMC64ImageFormat parameter from some conversion functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 2208
diff changeset
1505 if (src->fmt->convertFrom != NULL)
2338
ae938889eafb Make dmC64ConvertGenericBMP2Image() and dmC64ConvertGenericImage2BMP() static.
Matti Hamalainen <ccr@tnsp.org>
parents: 2337
diff changeset
1506 res = src->fmt->convertFrom(*pdst, src, &spec);
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1507 else
2338
ae938889eafb Make dmC64ConvertGenericBMP2Image() and dmC64ConvertGenericImage2BMP() static.
Matti Hamalainen <ccr@tnsp.org>
parents: 2337
diff changeset
1508 res = dmC64ConvertGenericBMP2Image(*pdst, src, &spec);
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1509
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1510 return res;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1511 }
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1512
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1513
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1514 int dmC64DecodeBMP(DMC64Image **img, const DMGrowBuf *buf,
2516
5fcc9f7b8ad8 Change dmC64DecodeBMP() probeOffs and dataOffs to ssize_t, and use default
Matti Hamalainen <ccr@tnsp.org>
parents: 2507
diff changeset
1515 ssize_t probeOffs, ssize_t dataOffs,
516
6f141f760c54 Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 515
diff changeset
1516 const DMC64ImageFormat **fmt, const DMC64ImageFormat *forced)
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1517 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1518 DMGrowBuf tmp;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1519
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1520 if (img == NULL || buf == NULL)
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1521 return DMERR_NULLPTR;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1522
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1523 // Check for forced format
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1524 if (forced != NULL)
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1525 *fmt = forced;
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1526 else
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1527 {
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1528 // Nope, perform a generic probe
2516
5fcc9f7b8ad8 Change dmC64DecodeBMP() probeOffs and dataOffs to ssize_t, and use default
Matti Hamalainen <ccr@tnsp.org>
parents: 2507
diff changeset
1529 if (probeOffs < 0)
5fcc9f7b8ad8 Change dmC64DecodeBMP() probeOffs and dataOffs to ssize_t, and use default
Matti Hamalainen <ccr@tnsp.org>
parents: 2507
diff changeset
1530 probeOffs = 0;
5fcc9f7b8ad8 Change dmC64DecodeBMP() probeOffs and dataOffs to ssize_t, and use default
Matti Hamalainen <ccr@tnsp.org>
parents: 2507
diff changeset
1531
5fcc9f7b8ad8 Change dmC64DecodeBMP() probeOffs and dataOffs to ssize_t, and use default
Matti Hamalainen <ccr@tnsp.org>
parents: 2507
diff changeset
1532 if ((size_t) probeOffs >= buf->len)
1460
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1533 return DMERR_OUT_OF_DATA;
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1534
1747
5e928618fdc8 Change DMGrowBuf API somewhat and implement more copy operations.
Matti Hamalainen <ccr@tnsp.org>
parents: 1744
diff changeset
1535 dmGrowBufConstCopyOffs(&tmp, buf, probeOffs);
1780
5ea4713e9e0f Change c64 format probing API to use DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1775
diff changeset
1536 if (dmC64ProbeBMP(&tmp, fmt) == DM_PROBE_SCORE_FALSE)
1460
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1537 return DMERR_NOT_SUPPORTED;
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1538 }
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1539
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1540 if (*fmt == NULL)
1548
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1541 return DMERR_NOT_SUPPORTED;
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1542
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1543 // Format supports only reading?
1548
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1544 if (((*fmt)->flags & DM_FMT_RD) == 0)
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1545 return DMERR_NOT_SUPPORTED;
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1546
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1547 // Allocate memory
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
1548 if ((*img = dmC64ImageAlloc(*fmt)) == NULL)
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1549 return DMERR_MALLOC;
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1550
2516
5fcc9f7b8ad8 Change dmC64DecodeBMP() probeOffs and dataOffs to ssize_t, and use default
Matti Hamalainen <ccr@tnsp.org>
parents: 2507
diff changeset
1551 // If the format has a loading address, adjust buffer
5fcc9f7b8ad8 Change dmC64DecodeBMP() probeOffs and dataOffs to ssize_t, and use default
Matti Hamalainen <ccr@tnsp.org>
parents: 2507
diff changeset
1552 if (dataOffs < 0)
5fcc9f7b8ad8 Change dmC64DecodeBMP() probeOffs and dataOffs to ssize_t, and use default
Matti Hamalainen <ccr@tnsp.org>
parents: 2507
diff changeset
1553 dataOffs = 2;
5fcc9f7b8ad8 Change dmC64DecodeBMP() probeOffs and dataOffs to ssize_t, and use default
Matti Hamalainen <ccr@tnsp.org>
parents: 2507
diff changeset
1554
5fcc9f7b8ad8 Change dmC64DecodeBMP() probeOffs and dataOffs to ssize_t, and use default
Matti Hamalainen <ccr@tnsp.org>
parents: 2507
diff changeset
1555 if ((*fmt)->addr >= 0)
5fcc9f7b8ad8 Change dmC64DecodeBMP() probeOffs and dataOffs to ssize_t, and use default
Matti Hamalainen <ccr@tnsp.org>
parents: 2507
diff changeset
1556 dmGrowBufConstCopyOffs(&tmp, buf, dataOffs);
5fcc9f7b8ad8 Change dmC64DecodeBMP() probeOffs and dataOffs to ssize_t, and use default
Matti Hamalainen <ccr@tnsp.org>
parents: 2507
diff changeset
1557 else
5fcc9f7b8ad8 Change dmC64DecodeBMP() probeOffs and dataOffs to ssize_t, and use default
Matti Hamalainen <ccr@tnsp.org>
parents: 2507
diff changeset
1558 dmGrowBufConstCopy(&tmp, buf);
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1559
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1560 // Decode the bitmap to memory layout
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1561 if ((*fmt)->decode != NULL)
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1562 return (*fmt)->decode(*img, &tmp, *fmt);
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1563 else
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1564 return dmC64DecodeGenericBMP(*img, &tmp, *fmt);
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1565 }
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1566
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1567
2109
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1568 int dmC64MemBlockAllocSubj(DMC64Image *img, const int subject, const int bank)
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1569 {
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1570 const char *subjname = dmC64GetOpSubjectName(subject);
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1571 size_t size = dmC64GetSubjectSize(subject, img->fmt);
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1572 DMC64MemBlock *blk = (DMC64MemBlock *) dmC64GetOpMemBlock(img, subject, bank);
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1573 int res;
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1574
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1575 if ((res = dmC64MemBlockAlloc(blk, size)) != DMERR_OK)
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1576 {
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1577 return dmError(res,
2388
2dbbc1c91231 Refactor error handling in dmC64DecodeGenericBMP() and
Matti Hamalainen <ccr@tnsp.org>
parents: 2386
diff changeset
1578 "Could not allocate '%s' block with size %" DM_PRIu_SIZE_T " bytes.\n",
2109
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1579 subjname, size);
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1580 }
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1581
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1582 return DMERR_OK;
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1583 }
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1584
510ea816d1ff Add helper function dmC64MemBlockAllocSubj().
Matti Hamalainen <ccr@tnsp.org>
parents: 2108
diff changeset
1585
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1586 // Convert a generic bitmap image to DMC64Image
2338
ae938889eafb Make dmC64ConvertGenericBMP2Image() and dmC64ConvertGenericImage2BMP() static.
Matti Hamalainen <ccr@tnsp.org>
parents: 2337
diff changeset
1587 static int dmC64ConvertGenericImage2BMP(DMC64Image *dst, const DMImage *src,
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1588 const DMC64ImageFormat *fmt, const DMC64ImageConvSpec *spec)
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1589 {
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1590 if (dst == NULL || src == NULL || fmt == NULL || spec == NULL)
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1591 return DMERR_NULLPTR;
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1592
1949
f8e2728c1b7f Return DMERR_NOT_SUPPORTED from dmC64ConvertGenericImage2BMP() as it does
Matti Hamalainen <ccr@tnsp.org>
parents: 1947
diff changeset
1593 return DMERR_NOT_SUPPORTED;
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1594 }
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1595
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1596
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1597 int dmC64ConvertImage2BMP(DMC64Image **pdst, const DMImage *src,
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1598 const DMC64ImageFormat *fmt, const DMC64ImageConvSpec *spec)
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1599 {
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1600 int res;
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1601 DMC64Image *dst;
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1602
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1603 if (pdst == NULL || src == NULL)
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1604 return DMERR_NULLPTR;
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1605
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1606 // Allocate the basic C64 bitmap image structure
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1607 if ((*pdst = dst = dmC64ImageAlloc(fmt)) == NULL)
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1608 return DMERR_MALLOC;
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1609
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1610 // Convert
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1611 if (fmt->format->convertTo != NULL)
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1612 res = fmt->format->convertTo(dst, src, fmt, spec);
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1613 else
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1614 res = dmC64ConvertGenericImage2BMP(dst, src, fmt, spec);
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1615
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1616 return res;
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1617 }
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1618
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1619
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1620 int dmC64EncodeBMP(DMGrowBuf *buf, const DMC64Image *img, const DMC64ImageFormat *fmt)
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1621 {
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1622 int res;
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1623
1580
72f809e6eb3c Add NULL check for growbuf pointer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1573
diff changeset
1624 if (buf == NULL || img == NULL || fmt == NULL)
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1625 return DMERR_NULLPTR;
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1626
1548
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1627 if ((fmt->flags & DM_FMT_WR) == 0)
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1628 return DMERR_NOT_SUPPORTED;
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1629
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1630 // Allocate a buffer
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1631 if ((res = dmGrowBufAlloc(buf, BUF_SIZE_INITIAL, BUF_SIZE_GROW)) != DMERR_OK)
2386
f543475ea0eb Rename some labels err -> out.
Matti Hamalainen <ccr@tnsp.org>
parents: 2380
diff changeset
1632 goto out;
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1633
2518
470631c00c97 Implement optionality of loading address in dmC64EncodeBMP() as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 2516
diff changeset
1634 // Add the loading address, if needed
470631c00c97 Implement optionality of loading address in dmC64EncodeBMP() as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 2516
diff changeset
1635 if (fmt->addr >= 0 &&
470631c00c97 Implement optionality of loading address in dmC64EncodeBMP() as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 2516
diff changeset
1636 !dmGrowBufPutU16LE(buf, fmt->addr))
470631c00c97 Implement optionality of loading address in dmC64EncodeBMP() as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 2516
diff changeset
1637 {
470631c00c97 Implement optionality of loading address in dmC64EncodeBMP() as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 2516
diff changeset
1638 res = DMERR_MALLOC;
2386
f543475ea0eb Rename some labels err -> out.
Matti Hamalainen <ccr@tnsp.org>
parents: 2380
diff changeset
1639 goto out;
2518
470631c00c97 Implement optionality of loading address in dmC64EncodeBMP() as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 2516
diff changeset
1640 }
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1641
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1642 // Attempt to encode the image to a buffer
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1643 if (fmt->encode != NULL)
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1644 res = fmt->encode(buf, img, fmt);
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1645 else
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1646 res = dmC64EncodeGenericBMP(FALSE, buf, img, fmt);
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1647
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1648 if (res != DMERR_OK)
2386
f543475ea0eb Rename some labels err -> out.
Matti Hamalainen <ccr@tnsp.org>
parents: 2380
diff changeset
1649 goto out;
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1650
1797
5204fab92c9e If the c64 image format has a set size and our buffer after encoding in
Matti Hamalainen <ccr@tnsp.org>
parents: 1790
diff changeset
1651 // Finally, if the format has a set size and our buffer is smaller
5204fab92c9e If the c64 image format has a set size and our buffer after encoding in
Matti Hamalainen <ccr@tnsp.org>
parents: 1790
diff changeset
1652 // than that size, we grow the buffer to match (with zeroed data).
5204fab92c9e If the c64 image format has a set size and our buffer after encoding in
Matti Hamalainen <ccr@tnsp.org>
parents: 1790
diff changeset
1653 // This accounts for format variants that are otherwise identical.
5204fab92c9e If the c64 image format has a set size and our buffer after encoding in
Matti Hamalainen <ccr@tnsp.org>
parents: 1790
diff changeset
1654 if (fmt->size > 0 && buf->len < fmt->size &&
5204fab92c9e If the c64 image format has a set size and our buffer after encoding in
Matti Hamalainen <ccr@tnsp.org>
parents: 1790
diff changeset
1655 !dmGrowBufCheckGrow(buf, fmt->size))
5204fab92c9e If the c64 image format has a set size and our buffer after encoding in
Matti Hamalainen <ccr@tnsp.org>
parents: 1790
diff changeset
1656 {
5204fab92c9e If the c64 image format has a set size and our buffer after encoding in
Matti Hamalainen <ccr@tnsp.org>
parents: 1790
diff changeset
1657 res = DMERR_MALLOC;
2386
f543475ea0eb Rename some labels err -> out.
Matti Hamalainen <ccr@tnsp.org>
parents: 2380
diff changeset
1658 goto out;
1797
5204fab92c9e If the c64 image format has a set size and our buffer after encoding in
Matti Hamalainen <ccr@tnsp.org>
parents: 1790
diff changeset
1659 }
5204fab92c9e If the c64 image format has a set size and our buffer after encoding in
Matti Hamalainen <ccr@tnsp.org>
parents: 1790
diff changeset
1660
1469
0046b4e1b35f Various fixes in bmp encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1467
diff changeset
1661 return DMERR_OK;
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1662
2386
f543475ea0eb Rename some labels err -> out.
Matti Hamalainen <ccr@tnsp.org>
parents: 2380
diff changeset
1663 out:
1799
708d333734f9 Comment.
Matti Hamalainen <ccr@tnsp.org>
parents: 1797
diff changeset
1664 // In error case, free the buffer
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1665 dmGrowBufFree(buf);
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1666 return res;
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1667 }
1774
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1668
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1669
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1670 // Perform probing of the given data buffer, trying to determine
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1671 // if it contains a supported "C64" image format. Returns the
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1672 // "probe score", see libgfx.h for list of values. If a match
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1673 // is found, pointer to format description is set to *pfmt.
1780
5ea4713e9e0f Change c64 format probing API to use DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1775
diff changeset
1674 int dmC64ProbeBMP(const DMGrowBuf *buf, const DMC64ImageFormat **pfmt)
1774
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1675 {
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1676 int scoreMax = DM_PROBE_SCORE_FALSE, scoreIndex = -1;
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1677
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1678 for (int i = 0; i < ndmC64ImageFormats; i++)
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1679 {
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1680 const DMC64ImageFormat *fmt = &dmC64ImageFormats[i];
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1681 int score = DM_PROBE_SCORE_FALSE;
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1682 if (fmt->probe == NULL && fmt->size > 0 && fmt->addr > 0)
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1683 {
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1684 // Generic probe just checks matching size and load address
1780
5ea4713e9e0f Change c64 format probing API to use DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1775
diff changeset
1685 if (buf->len == fmt->size && dmCompareAddr16(buf, 0, fmt->addr))
1774
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1686 score = DM_PROBE_SCORE_GOOD;
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1687 }
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1688 else
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1689 if (fmt->probe != NULL)
1780
5ea4713e9e0f Change c64 format probing API to use DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1775
diff changeset
1690 score = fmt->probe(buf, fmt);
1774
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1691
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1692 if (score > scoreMax)
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1693 {
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1694 scoreMax = score;
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1695 scoreIndex = i;
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1696 }
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1697 }
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1698
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1699 if (scoreIndex >= 0)
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1700 {
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1701 *pfmt = &dmC64ImageFormats[scoreIndex];
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1702 return scoreMax;
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1703 }
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1704 else
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1705 return DM_PROBE_SCORE_FALSE;
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1706 }
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1707
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1708
2200
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1709 BOOL dmLib64GFXInitialized = FALSE;
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1710 DMC64ImageFormat **dmC64ImageFormatsSorted = NULL;
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1711
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1712
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1713 int dmC64ImageFormatCompare(const void *va, const void *vb)
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1714 {
2200
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1715 const DMC64ImageFormat
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1716 *fmta = *(DMC64ImageFormat **) va,
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1717 *fmtb = *(DMC64ImageFormat **) vb;
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1718
2265
48b48251610a Refactor how the image "mode/type" is handled. It is still not perfect for
Matti Hamalainen <ccr@tnsp.org>
parents: 2238
diff changeset
1719 int res = fmta->format->mode - fmtb->format->mode;
2200
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1720 if (res == 0)
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1721 return strcmp(fmta->name, fmtb->name);
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1722 else
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1723 return res;
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1724 }
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1725
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1726
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1727 int dmLib64GFXInit(void)
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1728 {
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1729 // Safety check
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1730 if (dmLib64GFXInitialized)
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1731 dmLib64GFXClose();
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1732
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1733 dmLib64GFXInitialized = TRUE;
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1734
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1735 if ((dmC64ImageFormatsSorted = dmCalloc(ndmC64ImageFormats, sizeof(dmC64ImageFormatsSorted[0]))) == NULL)
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1736 return DMERR_MALLOC;
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1737
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1738 for (int i = 0; i < ndmC64ImageFormats; i++)
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1739 {
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1740 DMC64ImageFormat *fmt = &dmC64ImageFormats[i];
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1741 if (fmt->format == NULL)
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1742 fmt->format = &fmt->formatDef;
2200
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1743
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1744 dmC64ImageFormatsSorted[i] = fmt;
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1745 }
2200
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1746
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1747 qsort(dmC64ImageFormatsSorted, ndmC64ImageFormats,
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1748 sizeof(DMC64ImageFormat *), dmC64ImageFormatCompare);
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1749
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1750 return DMERR_OK;
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1751 }
2200
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1752
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1753
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1754 void dmLib64GFXClose(void)
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1755 {
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1756 dmFreeR(&dmC64ImageFormatsSorted);
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1757 dmLib64GFXInitialized = FALSE;
dcd26cdc395e Replace dmC64InitializeFormats() with dmLib64GFXInit() and dmLib64GFXClose().
Matti Hamalainen <ccr@tnsp.org>
parents: 2196
diff changeset
1758 }