annotate tools/lib64gfx.c @ 1944:d9a0a4bccf5d

Cleanup.
author Matti Hamalainen <ccr@tnsp.org>
date Fri, 29 Jun 2018 01:56:20 +0300
parents c5a46cb4cce5
children 8896d5676f1b
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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 2012-2018 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
514
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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 // Based on Pepto's palette, stolen from VICE
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16 DMColor dmDefaultC64Palette[C64_NCOLORS] =
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17 {
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18 { 0x00, 0x00, 0x00, 0xff },
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19 { 0xFF, 0xFF, 0xFF, 0xff },
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20 { 0x68, 0x37, 0x2B, 0xff },
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21 { 0x70, 0xA4, 0xB2, 0xff },
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22 { 0x6F, 0x3D, 0x86, 0xff },
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23 { 0x58, 0x8D, 0x43, 0xff },
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24 { 0x35, 0x28, 0x79, 0xff },
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25 { 0xB8, 0xC7, 0x6F, 0xff },
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26 { 0x6F, 0x4F, 0x25, 0xff },
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27 { 0x43, 0x39, 0x00, 0xff },
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28 { 0x9A, 0x67, 0x59, 0xff },
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29 { 0x44, 0x44, 0x44, 0xff },
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30 { 0x6C, 0x6C, 0x6C, 0xff },
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31 { 0x9A, 0xD2, 0x84, 0xff },
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32 { 0x6C, 0x5E, 0xB5, 0xff },
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33 { 0x95, 0x95, 0x95, 0xff },
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34 };
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35
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36
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37 char * dmC64GetImageTypeString(char *buf, const size_t len, const int type, const BOOL lng)
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38 {
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39 snprintf(buf, len,
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40 "%s%s%s%s",
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41 (type & D64_FMT_MC) ? (lng ? "MultiColor " : "MC ") : "HiRes ",
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42 (type & D64_FMT_ILACE) ? (lng ? "Interlaced " : "ILace ") : "",
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43 (type & D64_FMT_FLI) ? "FLI " : "",
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44 (type & D64_FMT_CHAR) ? "CHAR" : ""
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45 );
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46
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47 return buf;
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48 }
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49
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50
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51 void dmC64ImageDump(FILE *fh, const DMC64Image *img, const DMC64ImageFormat *fmt, const char *indent)
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52 {
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53 char typeStr[64], typeStr2[64];
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54
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55 dmC64GetImageTypeString(typeStr, sizeof(typeStr), fmt->format->type, TRUE);
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56
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57 if (fmt != NULL)
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58 {
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59 fprintf(fh,
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60 "%sFormat : %s [%s]\n",
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61 indent, fmt->name, fmt->fext);
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62 }
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63
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64 if (img != NULL)
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65 {
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66 dmC64GetImageTypeString(typeStr2, sizeof(typeStr2), img->type, TRUE);
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67
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68 fprintf(fh,
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69 "%sType : %s [%s]\n"
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70 "%sBanks : %d\n",
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71 indent, typeStr, typeStr2,
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72 indent, img->nbanks);
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73
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74 if (img->type & D64_FMT_ILACE)
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75 {
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76 char *tmps;
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77 switch (img->laceType)
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78 {
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79 case D64_ILACE_COLOR: tmps = "color"; break;
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80 case D64_ILACE_RES: tmps = "resolution"; break;
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81 default: tmps = "ERROR"; break;
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82 }
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83 fprintf(fh,
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84 "%sInterlace type : %s\n",
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85 indent, tmps);
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86 }
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87
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88 fprintf(fh,
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89 "%sWidth x Height : %d x %d [%d x %d]\n"
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90 "%sCHwidth x CHheight : %d x %d [%d x %d]\n",
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91 indent, img->width, img->height,
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92 fmt->format->width, fmt->format->height,
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93 indent, img->chWidth, img->chHeight,
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94 fmt->format->chWidth, fmt->format->chHeight);
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95 }
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96 else
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97 {
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98 fprintf(fh,
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99 "%sType : %s\n"
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100 "%sWidth x Height : %d x %d\n"
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101 "%sCHwidth x CHheight : %d x %d\n",
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102 indent, typeStr,
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103 indent, fmt->format->width, fmt->format->height,
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104 indent, fmt->format->chWidth, fmt->format->chHeight);
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105 }
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106 }
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107
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108
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109 void dmSetDefaultC64Palette(DMImage *img)
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110 {
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111 img->constpal = TRUE;
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112 img->pal = dmDefaultC64Palette;
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113 img->ncolors = C64_NCOLORS;
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114 img->ctransp = 255;
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115 }
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116
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117
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118 BOOL dmSetMixedColorC64Palette(DMImage *img)
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119 {
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120 if (!dmImagePaletteAlloc(img, C64_NCOLORS * C64_NCOLORS, -1))
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121 return FALSE;
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122
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123 int n = 0;
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124 for (int n1 = 0; n1 < C64_NCOLORS; n1++)
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125 {
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126 const DMColor *col1 = &dmDefaultC64Palette[n1];
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
127 for (int n2 = 0; n2 < C64_NCOLORS; n2++)
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
128 {
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
129 const DMColor *col2 = &dmDefaultC64Palette[n2];
1735
eeb6a82b4654 Oops, left in wrong variable name. :S
Matti Hamalainen <ccr@tnsp.org>
parents: 1732
diff changeset
130 img->pal[n].r = (col1->r + col2->r) / 2;
eeb6a82b4654 Oops, left in wrong variable name. :S
Matti Hamalainen <ccr@tnsp.org>
parents: 1732
diff changeset
131 img->pal[n].g = (col1->g + col2->g) / 2;
eeb6a82b4654 Oops, left in wrong variable name. :S
Matti Hamalainen <ccr@tnsp.org>
parents: 1732
diff changeset
132 img->pal[n].b = (col1->b + col2->b) / 2;
1732
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
133 n++;
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
134 }
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
135 }
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
136
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
137 return TRUE;
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
138 }
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
139
07111a60cd4e Add dmSetMixedColorC64Palette() for setting a 256 entry "mixed color"
Matti Hamalainen <ccr@tnsp.org>
parents: 1731
diff changeset
140
1780
5ea4713e9e0f Change c64 format probing API to use DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1775
diff changeset
141 BOOL dmCompareAddr16(const DMGrowBuf *buf, const size_t offs, const Uint16 addr)
1381
b6782b785457 Move things around a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1380
diff changeset
142 {
1780
5ea4713e9e0f Change c64 format probing API to use DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1775
diff changeset
143 return
5ea4713e9e0f Change c64 format probing API to use DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1775
diff changeset
144 offs + 1 < buf->len &&
1923
42cd527a01b9 Remove mostly unused DM_GET_ADDR_{LO,HI} macros.
Matti Hamalainen <ccr@tnsp.org>
parents: 1922
diff changeset
145 buf->data[offs ] == (addr & 0xff) &&
42cd527a01b9 Remove mostly unused DM_GET_ADDR_{LO,HI} macros.
Matti Hamalainen <ccr@tnsp.org>
parents: 1922
diff changeset
146 buf->data[offs + 1] == ((addr >> 8) & 0xff);
1381
b6782b785457 Move things around a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1380
diff changeset
147 }
b6782b785457 Move things around a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1380
diff changeset
148
b6782b785457 Move things around a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 1380
diff changeset
149
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
150 int dmC64ImageGetNumBanks(const DMC64ImageFormat *fmt)
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
151 {
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
152 int nbanks = 0;
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
153 for (int i = 0; i < D64_MAX_ENCDEC_OPS; i++)
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
154 {
1591
3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1588
diff changeset
155 const DMC64EncDecOp *op = fmtGetEncDecOp(fmt, i);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
156 if (op->type == DO_LAST)
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
157 break;
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
158
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
159 if (op->bank > nbanks)
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
160 nbanks = op->bank;
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
161 }
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
162
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
163 return nbanks + 1;
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
164 }
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
165
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
166
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
167 int dmC64MemBlockAlloc(DMC64MemBlock *blk, const size_t size)
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
168 {
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
169 if ((blk->data = dmMalloc0(size)) == NULL)
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
170 return DMERR_MALLOC;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
171
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
172 blk->size = size;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
173 return DMERR_OK;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
174 }
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
175
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
176
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
177 int dmC64MemBlockReAlloc(DMC64MemBlock *blk, const size_t size)
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
178 {
1851
cfc7046fb176 Reallocate buffer only if the new size is larger in dmC64MemBlockReAlloc().
Matti Hamalainen <ccr@tnsp.org>
parents: 1846
diff changeset
179 // Reallocate only if new size is larger
cfc7046fb176 Reallocate buffer only if the new size is larger in dmC64MemBlockReAlloc().
Matti Hamalainen <ccr@tnsp.org>
parents: 1846
diff changeset
180 if (size <= blk->size)
cfc7046fb176 Reallocate buffer only if the new size is larger in dmC64MemBlockReAlloc().
Matti Hamalainen <ccr@tnsp.org>
parents: 1846
diff changeset
181 return DMERR_OK;
cfc7046fb176 Reallocate buffer only if the new size is larger in dmC64MemBlockReAlloc().
Matti Hamalainen <ccr@tnsp.org>
parents: 1846
diff changeset
182
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
183 if ((blk->data = dmRealloc(blk->data, size)) == NULL)
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
184 return DMERR_MALLOC;
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
185
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
186 dmMemset(blk->data + blk->size, 0, size - blk->size);
1851
cfc7046fb176 Reallocate buffer only if the new size is larger in dmC64MemBlockReAlloc().
Matti Hamalainen <ccr@tnsp.org>
parents: 1846
diff changeset
187
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
188 blk->size = size;
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
189 return DMERR_OK;
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
190 }
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
191
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
192
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
193 int dmC64MemBlockCopy(DMC64MemBlock *dst, const DMC64MemBlock *src)
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
194 {
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
195 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
196 {
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
197 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
198 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
199 return DMERR_MALLOC;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
200
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
201 memcpy(dst->data, src->data, src->size);
1824
adf9f05c26e1 Improve error handling of dmC64MemBlockCopy().
Matti Hamalainen <ccr@tnsp.org>
parents: 1822
diff changeset
202 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
203 }
1824
adf9f05c26e1 Improve error handling of dmC64MemBlockCopy().
Matti Hamalainen <ccr@tnsp.org>
parents: 1822
diff changeset
204 else
adf9f05c26e1 Improve error handling of dmC64MemBlockCopy().
Matti Hamalainen <ccr@tnsp.org>
parents: 1822
diff changeset
205 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
206 }
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
207
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
208
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
209 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
210 {
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
211 if (blk != NULL)
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
212 {
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
213 dmFreeR(&blk->data);
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
214 blk->size = 0;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
215 }
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
216 }
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
217
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
218
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
219 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
220 {
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
221 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
222
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
223 if (img == NULL)
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
224 return NULL;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
225
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
226 // Initialize image information
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
227 img->type = fmt->format->type;
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
228 img->width = fmt->format->width;
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
229 img->height = fmt->format->height;
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
230 img->chWidth = fmt->format->chWidth;
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
231 img->chHeight = fmt->format->chHeight;
1491
b329fea6f013 Reindent polishing.
Matti Hamalainen <ccr@tnsp.org>
parents: 1489
diff changeset
232 img->nbanks = dmC64ImageGetNumBanks(fmt);
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
233
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
234 // Allocate banks
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
235 if ((img->color = dmCalloc(img->nbanks, sizeof(DMC64MemBlock))) == NULL ||
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
236 (img->bitmap = dmCalloc(img->nbanks, sizeof(DMC64MemBlock))) == NULL ||
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
237 (img->screen = dmCalloc(img->nbanks, sizeof(DMC64MemBlock))) == NULL ||
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
238 (img->charData = dmCalloc(img->nbanks, sizeof(DMC64MemBlock))) == NULL)
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
239 goto err;
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
240
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
241 return img;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
242
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
243 err:
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
244 dmC64ImageFree(img);
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
245 return NULL;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
246 }
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
247
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
248
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
249 void dmC64ImageFree(DMC64Image *img)
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
250 {
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
251 if (img != NULL)
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
252 {
1462
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
253 // Free the allocated areas
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
254 for (int i = 0; i < img->nbanks; i++)
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
255 {
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
256 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
257 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
258 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
259 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
260 }
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
261
1462
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
262 // 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
263 dmFree(img->color);
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
264 dmFree(img->bitmap);
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
265 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
266 dmFree(img->charData);
1462
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
267
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
268 // Extra data ..
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
269 for (int i = 0; i < C64_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
270 dmC64MemBlockFree(&img->extraData[i]);
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
271
1167
848a88ce7a57 Use dmMemset().
Matti Hamalainen <ccr@tnsp.org>
parents: 1134
diff changeset
272 dmMemset(img, 0, sizeof(DMC64Image));
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
273 dmFree(img);
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
274 }
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
275 }
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
276
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
277
827
c8beac5313c3 Rename a function.
Matti Hamalainen <ccr@tnsp.org>
parents: 812
diff changeset
278 int dmC64ConvertCSDataToImage(DMImage *img,
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
279 int xoffs, int yoffs, const Uint8 *buf,
915
ba6b210c9bf4 Cosmetic.
Matti Hamalainen <ccr@tnsp.org>
parents: 912
diff changeset
280 int width, int height, BOOL multicolor,
ba6b210c9bf4 Cosmetic.
Matti Hamalainen <ccr@tnsp.org>
parents: 912
diff changeset
281 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
282 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
283 int yc, widthpx = width * 8;
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
284 Uint8 *dp;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
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 if (img == NULL)
517
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
287 return DMERR_NULLPTR;
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
288
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
289 if (xoffs < 0 || yoffs < 0 ||
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
290 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
291 yoffs > img->height - height)
517
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
292 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
293
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
294 dp = img->data + (yoffs * img->pitch) + xoffs;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
295
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
296 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
297 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
298 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
299 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
300 const int offs = yc * width;
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
301 Uint8 *d = dp;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
302
1875
b052754a1a23 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1858
diff changeset
303 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
304 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
305 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
306 const int v = 6 - ((xc * 2) & 6);
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
307 const Uint8 c = colors[(b >> v) & 3];
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
308
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
309 *d++ = c;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
310 *d++ = c;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
311 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
312
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
313 dp += img->pitch;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
314 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
315 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
316 else
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
317 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
318 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
319 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
320 const int offs = yc * width;
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
321 Uint8 *d = dp;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
322
1875
b052754a1a23 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1858
diff changeset
323 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
324 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
325 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
326 const int v = 7 - (xc & 7);
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
327 const Uint8 c = colors[(b >> v) & 1];
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
328
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
329 *d++ = c;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
330 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
331
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
332 dp += img->pitch;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
333 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
334 }
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
335
517
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
336 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
337 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
338
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
339
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
340 void 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
341 {
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
342 #define DM_STAT_MAX 256
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
343 size_t *stats;
1503
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1501
diff changeset
344
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
345 // Allocate statistics counts buffer
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
346 if ((stats = dmMalloc0(DM_STAT_MAX * sizeof(size_t))) == NULL)
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
347 return;
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
348
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
349 // 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
350 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
351 stats[buf->data[offs]]++;
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
352
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
353 // 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
354 switch (cfg->type)
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
355 {
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
356 case DM_COMP_RLE_MARKER:
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
357 {
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
358 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
359 smallest = buf->len;
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
360
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
361 // 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
362 for (size_t n = 0; n < DM_STAT_MAX; n++)
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
363 {
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
364 if (stats[n] < smallest)
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
365 {
1821
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
366 switch (cfg->flags & DM_RLE_RUNS_MASK)
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
367 {
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
368 case DM_RLE_BYTE_RUNS | DM_RLE_WORD_RUNS:
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
369 cfg->rleMarkerW = selected;
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
370 cfg->rleMarkerB = selected = n;
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
371 break;
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
372
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
373 case DM_RLE_BYTE_RUNS:
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
374 cfg->rleMarkerB = selected = n;
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
375 break;
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
376
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
377 case DM_RLE_WORD_RUNS:
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
378 cfg->rleMarkerW = selected = n;
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
379 break;
ee2383d1a21e Improve dmGenericRLEAnalyze() by being better at selecting rleMarker bytes
Matti Hamalainen <ccr@tnsp.org>
parents: 1820
diff changeset
380 }
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
381 smallest = stats[n];
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
382 }
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
383 }
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
384 }
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
385 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
386
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
387 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
388 cfg->rleMarkerMask = 0xC0;
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
389 cfg->rleMarkerBits = 0xC0;
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
390 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
391 break;
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
392 }
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
393
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
394 dmFree(stats);
1503
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1501
diff changeset
395 }
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1501
diff changeset
396
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1501
diff changeset
397
1713
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
398 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
399 {
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
400 if (cfg->flags & DM_RLE_BACKWARDS_INPUT)
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
401 {
1831
ce1a734b016f Change the logic of how DMGrowBuf works in "backwards" growing mode. Adjust
Matti Hamalainen <ccr@tnsp.org>
parents: 1828
diff changeset
402 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
403 src->backwards = TRUE;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
404 }
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
405
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
406 if (cfg->flags & DM_RLE_BACKWARDS_OUTPUT)
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
407 {
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
408 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
409 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
410 }
1718
bed88d17f28c Fix a commit blunder here ..
Matti Hamalainen <ccr@tnsp.org>
parents: 1717
diff changeset
411 }
bed88d17f28c Fix a commit blunder here ..
Matti Hamalainen <ccr@tnsp.org>
parents: 1717
diff changeset
412
bed88d17f28c Fix a commit blunder here ..
Matti Hamalainen <ccr@tnsp.org>
parents: 1717
diff changeset
413
1713
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
414 void dmFinishRLEBuffers(DMGrowBuf *dst, DMGrowBuf *src, const DMCompParams *cfg)
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
415 {
1741
6f1313c761aa Actually fix the warnings .. sigh.
Matti Hamalainen <ccr@tnsp.org>
parents: 1740
diff changeset
416 (void) src;
6f1313c761aa Actually fix the warnings .. sigh.
Matti Hamalainen <ccr@tnsp.org>
parents: 1740
diff changeset
417
1713
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
418 if (cfg->flags & DM_RLE_BACKWARDS_OUTPUT)
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 memmove(dst->data, dst->data + dst->offs, dst->len);
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
421 dst->offs = 0;
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
422 }
1720
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
423
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
424 switch (cfg->flags & DM_OUT_CROP_MASK)
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
425 {
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
426 case DM_OUT_CROP_END:
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
427 if (cfg->cropOutLen < dst->len)
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
428 {
1831
ce1a734b016f Change the logic of how DMGrowBuf works in "backwards" growing mode. Adjust
Matti Hamalainen <ccr@tnsp.org>
parents: 1828
diff changeset
429 memmove(dst->data, dst->data + dst->len - cfg->cropOutLen, cfg->cropOutLen);
1720
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
430 dst->len = cfg->cropOutLen;
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
431 }
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
432 break;
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
433
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
434 case DM_OUT_CROP_START:
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
435 if (cfg->cropOutLen <= dst->len)
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
436 dst->len = cfg->cropOutLen;
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
437 break;
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
438 }
1713
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
439 }
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
440
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
441
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
442 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
443 {
1944
d9a0a4bccf5d Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1933
diff changeset
444 for (unsigned int scount = count; scount; scount--)
1713
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
445 {
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
446 if (!dmGrowBufPutU8(dst, data))
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
447 {
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
448 return dmError(DMERR_MALLOC,
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
449 "%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
450 "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
451 cfg->func, count, data, dst->offs, dst->size);
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
452 }
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
453 }
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
454 return DMERR_OK;
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
455 }
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
456
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
457
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
458 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
459 {
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
460 int res;
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
461 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
462 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
463
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
464 // 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
465 // 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
466 dmGrowBufConstCopy(&src, psrc);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
467 dmSetupRLEBuffers(dst, &src, cfg);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
468
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
469 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
470 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
471 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
472
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
473 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
474 {
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
475 // A simple marker byte RLE variant: [Marker] [count] [data]
1744
e40227e994e2 Fix unitialized data accesses.
Matti Hamalainen <ccr@tnsp.org>
parents: 1741
diff changeset
476 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
477 {
1750
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
478 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
479 {
1727
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
480 res = dmError(DMERR_INVALID_DATA,
1750
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
481 "%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
482 cfg->func);
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
483 goto out;
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
484 }
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
485 if (!dmGrowBufGetU8(&src, &tmp2))
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
486 {
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
487 res = dmError(DMERR_INVALID_DATA,
b9f3c1796fba More granular error handling in RLE decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1747
diff changeset
488 "%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
489 cfg->func);
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
490 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
491 }
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
492 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
493 {
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
494 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
495 count = tmp1;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
496 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
497 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
498
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
499 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
500 data = tmp1;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
501 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
502 break;
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
503 }
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
504
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
505 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
506 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
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 else
1744
e40227e994e2 Fix unitialized data accesses.
Matti Hamalainen <ccr@tnsp.org>
parents: 1741
diff changeset
509 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
510 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
511 if (!dmGrowBufGetU8(&src, &tmp1) ||
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
512 !dmGrowBufGetU8(&src, &tmp2) ||
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
513 !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
514 {
1727
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
515 res = dmError(DMERR_INVALID_DATA,
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
516 "%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
517 cfg->func);
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
518 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
519 }
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
520 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
521 {
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
522 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
523 count = (tmp2 << 8) | tmp1;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
524 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
525 break;
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
526
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
527 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
528 data = tmp1;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
529 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
530 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
531 }
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
532
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
533 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
534 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
535 }
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
536 }
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
537 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
538 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
539 {
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
540 // 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
541 // 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
542 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
543 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
544 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
545 {
1727
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
546 res = dmError(DMERR_INVALID_DATA,
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
547 "%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
548 cfg->func);
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
549 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
550 }
1466
bc75be0546fc More work on RLE decoder/encoder changes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1465
diff changeset
551
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
552 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
553 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
554 }
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
555 }
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
556
1715
c0c6fd8b288a Use dmGenericRLEOutputRun().
Matti Hamalainen <ccr@tnsp.org>
parents: 1713
diff changeset
557 if ((res = dmGenericRLEOutputRun(dst, cfg, data, count)) != DMERR_OK)
c0c6fd8b288a Use dmGenericRLEOutputRun().
Matti Hamalainen <ccr@tnsp.org>
parents: 1713
diff changeset
558 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
559 }
523
d0c0c6baeb57 Split the RLE decoding from DrazPaint/Lace and Amica paint decoders to a
Matti Hamalainen <ccr@tnsp.org>
parents: 519
diff changeset
560
1717
7de37c01dbd4 Use dmFinishRLEBuffers() in dmDecodeGenericRLE()
Matti Hamalainen <ccr@tnsp.org>
parents: 1716
diff changeset
561 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
562 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
563
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
564 out:
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
565 return res;
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
566 }
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
567
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
568
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
569 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
570 {
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
571 int res;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
572 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
573 return res;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
574
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
575 return dmDecodeGenericRLE(dst, src, cfg);
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
576 }
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
577
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
578
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
579 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
580 {
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
581 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
582 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
583
3265175b24d2 Change the passing of RLE compression/decompression parameters to be in a dedicated struct.
Matti Hamalainen <ccr@tnsp.org>
parents: 1503
diff changeset
584 switch (cfg->type)
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
585 {
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
586 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
587 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
588 (count >= cfg->rleMinCountW || data == cfg->rleMarkerW))
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
589 {
1818
7bafe5f0998d Implement DM_RLE_ZERO_COUNT_MAX support in the generic RLE compressor.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
590 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
591 count = 0;
7bafe5f0998d Implement DM_RLE_ZERO_COUNT_MAX support in the generic RLE compressor.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
592
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
593 if (!dmGrowBufPutU8(dst, cfg->rleMarkerW))
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
594 goto err;
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
595
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
596 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
597 {
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
598 case DM_RLE_ORDER_1:
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
599 if (!dmGrowBufPutU16LE(dst, count) ||
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
600 !dmGrowBufPutU8(dst, data))
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
601 goto err;
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
602 break;
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
603
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
604 case DM_RLE_ORDER_2:
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
605 if (!dmGrowBufPutU8(dst, data) ||
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
606 !dmGrowBufPutU16LE(dst, count))
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
607 goto err;
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
608 break;
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
609 }
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
610 }
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
611 else
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
612 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
613 (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
614 {
1818
7bafe5f0998d Implement DM_RLE_ZERO_COUNT_MAX support in the generic RLE compressor.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
615 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
616 count = 0;
7bafe5f0998d Implement DM_RLE_ZERO_COUNT_MAX support in the generic RLE compressor.
Matti Hamalainen <ccr@tnsp.org>
parents: 1814
diff changeset
617
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
618 if (!dmGrowBufPutU8(dst, cfg->rleMarkerB))
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
619 goto err;
1573
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
620
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
621 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
622 {
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
623 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
624 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
625 !dmGrowBufPutU8(dst, data))
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
626 goto err;
1573
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
627 break;
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
628
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
629 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
630 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
631 !dmGrowBufPutU8(dst, count))
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
632 goto err;
1573
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
633 break;
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
634 }
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
635 }
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
636 else
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
637 copyOnly = TRUE;
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
638 break;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
639
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
640 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
641 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
642 {
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
643 // 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
644 // 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
645 if (!dmGrowBufPutU8(dst, cfg->rleMarkerBits | count) ||
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
646 !dmGrowBufPutU8(dst, data))
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
647 goto err;
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
648 }
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
649 else
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
650 copyOnly = TRUE;
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
651 break;
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
652 }
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
653
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
654 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
655 return res;
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
656
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
657 return DMERR_OK;
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
658
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
659 err:
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
660 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
661 "%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
662 cfg->func, count, data);
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
663 }
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
664
1466
bc75be0546fc More work on RLE decoder/encoder changes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1465
diff changeset
665
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
666 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
667 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
668 DMGrowBuf src;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
669 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
670 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
671 Uint8 data;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
672
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
673 // 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
674 // 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
675 dmGrowBufConstCopy(&src, psrc);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
676 dmSetupRLEBuffers(dst, &src, cfg);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
677
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
678 while (dmGrowBufGetU8(&src, &data))
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
679 {
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
680 // 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
681 // 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
682 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
683 ((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
684 (((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
685 {
1716
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)
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
687 goto err;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
688
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
689 count = 1;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
690 }
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
691 else
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
692 count++;
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 prev = data;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
695 }
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
696
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
697 // 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
698 if ((res = dmEncodeGenericRLESequence(dst, prev, count, cfg)) != DMERR_OK)
1518
24b8b452925e Improve error handling of RLE encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1513
diff changeset
699 goto err;
24b8b452925e Improve error handling of RLE encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1513
diff changeset
700
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
701 dmFinishRLEBuffers(dst, &src, cfg);
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
702
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
703 err:
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
704 return res;
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
705 }
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
706
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
707
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
708 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
709 {
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
710 int res;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
711 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
712 return res;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
713
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
714 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
715 }
d0c0c6baeb57 Split the RLE decoding from DrazPaint/Lace and Amica paint decoders to a
Matti Hamalainen <ccr@tnsp.org>
parents: 519
diff changeset
716
519
feaaf0e2ecbe Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 518
diff changeset
717
1537
776aa43b2c57 Tiny improvement in MC->FLI upconversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 1534
diff changeset
718 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
719 {
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
720 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
721 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
722 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
723 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
724 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
725 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
726 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
727 switch (op->subject)
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
728 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
729 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
730 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
731 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
732 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
733 if (op->bank < 0 || op->bank > img->nbanks)
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
734 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
735 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
736 "Invalid bank %d / %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
737 op->bank, img->nbanks, 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
738 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
739 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
740
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
741 case DS_EXTRA_DATA:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
742 if (op->bank < 0 || op->bank >= C64_MAX_EXTRA_DATA)
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
743 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
744 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
745 "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
746 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
747 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
748 break;
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
749 }
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
750 break;
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
751
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
752 // 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
753 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
754 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
755 case DO_LAST:
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
756 break;
510
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
757
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
758 default:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
759 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
760 "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
761 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
762 break;
510
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
763 }
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
764
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
765 return DMERR_OK;
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
766 }
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
767
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
768
1933
c5a46cb4cce5 Change DMC64ImageFormat parameter of dmC64GetSubjectSize() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1931
diff changeset
769 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
770 {
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
771 switch (subject)
927
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
772 {
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
773 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
774 case DS_COLOR_RAM:
1933
c5a46cb4cce5 Change DMC64ImageFormat parameter of dmC64GetSubjectSize() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1931
diff changeset
775 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
776 break;
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
777
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_BITMAP_RAM:
1933
c5a46cb4cce5 Change DMC64ImageFormat parameter of dmC64GetSubjectSize() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1931
diff changeset
779 return fmt->chHeight * fmt->chWidth * 8;
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
780 break;
927
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
781
1725
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_CHAR_DATA:
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
783 return C64_MAX_CHARS * C64_CHR_SIZE;
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
784 break;
927
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
785
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
786 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
787 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
788 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
789 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
790 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
791 case DS_D024:
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
792 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
793 break;
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
794
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
795 default:
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
796 // Default to size of 0
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
797 return 0;
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
798 break;
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
799 }
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
800 }
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
801
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
802
1933
c5a46cb4cce5 Change DMC64ImageFormat parameter of dmC64GetSubjectSize() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1931
diff changeset
803 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
804 {
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
805 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
806
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
807 // 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
808 if (op->size > size)
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
809 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
810
1916
34ba8e2d2dd7 Split dmC64GetOpSize() to dmC64GetSubjectSize() and dmC64GetOpSubjectSize().
Matti Hamalainen <ccr@tnsp.org>
parents: 1875
diff changeset
811 return size;
927
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
812 }
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
813
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
814
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
815 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
816 {
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
817 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
818 {
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
819 "Color RAM",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
820 "Bitmap RAM",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
821 "Screen RAM",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
822 "Extra data",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
823 "Character data",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
824
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
825 "d020",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
826 "d021/bgcol",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
827 "d022",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
828 "d023",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
829 "d024",
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
830 };
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
831 if (subject >= 0 && subject < DS_LAST)
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
832 return subjectNames[subject];
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
833 else
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
834 return NULL;
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
835 }
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
836
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
837
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
838 void dmC64GetOpMemBlock(const DMC64Image *img, const int subject, const int bank, const DMC64MemBlock **blk)
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
839 {
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
840 *blk = NULL;
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
841
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
842 if (bank >= 0 && bank < img->nbanks)
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
843 {
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
844 switch (subject)
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
845 {
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
846 case DS_COLOR_RAM : *blk = &img->color[bank]; break;
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
847 case DS_SCREEN_RAM : *blk = &img->screen[bank]; break;
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
848 case DS_BITMAP_RAM : *blk = &img->bitmap[bank]; break;
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
849 case DS_CHAR_DATA : *blk = &img->charData[bank]; break;
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
850 case DS_EXTRA_DATA : *blk = &img->extraData[bank]; break;
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
851 }
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
852 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
853 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
854
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
855
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
856 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
857 {
1460
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
858 int res = DMERR_OK;
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
859
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
860 if (buf == NULL || buf->data == NULL || img == NULL || fmt == NULL)
513
486067f39bc1 Add sanity checking.
Matti Hamalainen <ccr@tnsp.org>
parents: 511
diff changeset
861 return DMERR_NULLPTR;
486067f39bc1 Add sanity checking.
Matti Hamalainen <ccr@tnsp.org>
parents: 511
diff changeset
862
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
863 // Clear the image structure, set basics
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
864 img->type = fmt->format->type;
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
865 img->width = fmt->format->width;
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
866 img->height = fmt->format->height;
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
867 img->chWidth = fmt->format->chWidth;
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
868 img->chHeight = fmt->format->chHeight;
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
869 img->nbanks = dmC64ImageGetNumBanks(fmt);
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
870
518
63849f85db57 Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 517
diff changeset
871 // Perform decoding
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
872 for (int i = 0; i < D64_MAX_ENCDEC_OPS; i++)
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
873 {
1591
3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1588
diff changeset
874 const DMC64EncDecOp *op = fmtGetEncDecOp(fmt, i);
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
875 const Uint8 *src;
1600
e28e67358ff6 Fix some uninitialized variable warnings.
Matti Hamalainen <ccr@tnsp.org>
parents: 1597
diff changeset
876 DMC64MemBlock *blk = NULL;
1853
2081bb4a998a Improve error messaging in generic c64 image encode/decode.
Matti Hamalainen <ccr@tnsp.org>
parents: 1852
diff changeset
877 const char *subjname = dmC64GetOpSubjectName(op->subject);
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
878 size_t size;
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
879 Uint8 value;
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
880
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
881 // Check for last operator
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
882 if (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
883 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
884
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
885 // Check operation validity
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
886 if ((res = dmC64SanityCheckEncDecOp(i, op, img)) != DMERR_OK)
510
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
887 return res;
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
888
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
889 // Is the operation inside the bounds?
1933
c5a46cb4cce5 Change DMC64ImageFormat parameter of dmC64GetSubjectSize() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1931
diff changeset
890 size = dmC64GetOpSubjectSize(op, fmt->format);
1858
1816211341a0 Only check operator size for DO_COPY operators against source size.
Matti Hamalainen <ccr@tnsp.org>
parents: 1853
diff changeset
891 if (op->type == DO_COPY && op->offs + 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
892 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
893 return dmError(DMERR_INVALID_DATA,
1858
1816211341a0 Only check operator size for DO_COPY operators against source size.
Matti Hamalainen <ccr@tnsp.org>
parents: 1853
diff changeset
894 "Decode SRC out of bounds, op #%d type=%d, subj=%s, offs=%d ($%04x), "
510
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
895 "bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1853
2081bb4a998a Improve error messaging in generic c64 image encode/decode.
Matti Hamalainen <ccr@tnsp.org>
parents: 1852
diff changeset
896 i, op->type, subjname, op->offs, op->offs, op->bank,
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
897 size, size, buf->len, buf->len);
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
898 }
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
899
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
900 src = buf->data + op->offs;
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
901
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
902 // Perform operation
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
903 switch (op->type)
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
904 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
905 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
906 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
907 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
908 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
909 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
910 switch (op->subject)
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
911 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
912 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
913 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
914 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
915 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
916 case DS_EXTRA_DATA:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
917 // XXX BZZZT .. a nasty cast here --v
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
918 dmC64GetOpMemBlock(img, op->subject, op->bank, (const DMC64MemBlock **) &blk);
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
919
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
920 if ((dmC64MemBlockReAlloc(blk, op->offs2 + 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
921 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
922 return dmError(DMERR_MALLOC,
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
923 "Could not allocate '%s' block! "
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
924 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1853
2081bb4a998a Improve error messaging in generic c64 image encode/decode.
Matti Hamalainen <ccr@tnsp.org>
parents: 1852
diff changeset
925 subjname, i, op->offs, op->offs, op->bank, op->offs2 + size, op->offs2 + size, buf->len, buf->len);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
926 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
927 switch (op->type)
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
928 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
929 case DO_COPY:
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
930 memcpy(blk->data + op->offs2, src, size);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
931 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
932
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
933 case DO_SET_MEM:
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
934 dmMemset(blk->data + op->offs2, *src, size);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
935 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
936
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
937 case DO_SET_MEM_HI:
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
938 dmMemset(blk->data + op->offs2, (*src >> 4) & 0x0f, size);
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
939 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
940
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
941 case DO_SET_MEM_LO:
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
942 dmMemset(blk->data + op->offs2, *src & 0x0f, size);
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
943 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
944
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
945 case DO_SET_OP:
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
946 dmMemset(blk->data + op->offs2, op->offs, size);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
947 break;
1727
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
948
1721
c9a6f1dae756 Add one default case error handler.
Matti Hamalainen <ccr@tnsp.org>
parents: 1720
diff changeset
949 default:
c9a6f1dae756 Add one default case error handler.
Matti Hamalainen <ccr@tnsp.org>
parents: 1720
diff changeset
950 return dmError(DMERR_INTERNAL,
c9a6f1dae756 Add one default case error handler.
Matti Hamalainen <ccr@tnsp.org>
parents: 1720
diff changeset
951 "Unhandled op type %d in "
c9a6f1dae756 Add one default case error handler.
Matti Hamalainen <ccr@tnsp.org>
parents: 1720
diff changeset
952 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
c9a6f1dae756 Add one default case error handler.
Matti Hamalainen <ccr@tnsp.org>
parents: 1720
diff changeset
953 op->type, i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
954 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
955 break;
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
956
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
957 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
958 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
959 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
960 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
961 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
962 case DS_D024:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
963 switch (op->type)
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
964 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
965 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
966 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
967 value = *src;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
968 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
969
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
970 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
971 value = op->offs;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
972 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
973
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
974 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
975 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
976 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
977
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
978 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
979 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
980 break;
1924
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
981
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
982 default:
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
983 return dmError(DMERR_INTERNAL,
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
984 "Unhandled op type %d in "
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
985 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
986 op->type, i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
987 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
988 switch (op->subject)
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
989 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
990 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
991 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
992 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
993 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
994 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
995 case DS_D024: img->d024 = value; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
996 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
997 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
998
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
999 default:
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1000 return dmError(DMERR_INTERNAL,
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1001 "Unhandled subject %d in "
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1002 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1003 op->subject, i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len);
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1004 }
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1005 break;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1006
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1007 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
1008 switch (op->subject)
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1009 {
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1010 case D64_CHCFG_SCREEN:
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1011 break;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1012
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1013 case D64_CHCFG_LINEAR:
1672
09adf5328510 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1668
diff changeset
1014 for (int bank = 0; bank < img->nbanks; bank++)
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1015 {
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1016 for (int offs = 0; offs < fmt->format->chHeight * fmt->format->chWidth; offs++)
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
1017 img->screen[bank].data[offs] = offs & 0xff;
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1018 }
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1019 break;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1020
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1021 default:
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1022 return dmError(DMERR_INTERNAL,
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1023 "Unhandled DO_CHAR_CFG mode %d in ",
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1024 "op #%d, bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1025 op->subject, i, op->bank, size, size, buf->len, buf->len);
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1026 }
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1027 break;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1028
1922
3c6f638ce402 Remove the useless distinction of DO_ENC_FUNC and DO_DEC_FUNC, as the
Matti Hamalainen <ccr@tnsp.org>
parents: 1919
diff changeset
1029 case DO_FUNC:
3c6f638ce402 Remove the useless distinction of DO_ENC_FUNC and DO_DEC_FUNC, as the
Matti Hamalainen <ccr@tnsp.org>
parents: 1919
diff changeset
1030 if (op->decFunction != NULL &&
3c6f638ce402 Remove the useless distinction of DO_ENC_FUNC and DO_DEC_FUNC, as the
Matti Hamalainen <ccr@tnsp.org>
parents: 1919
diff changeset
1031 !op->decFunction(img, op, buf, fmt))
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1032 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1033 return dmError(DMERR_INTERNAL,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1034 "Decode op custom function failed: op #%d, "
510
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
1035 "offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1036 i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len);
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1037 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1038 break;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1039 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1040 }
916
3985f596ece5 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 915
diff changeset
1041
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
1042 // Sanity check certain things ..
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1043 if ((fmt->format->type & D64_FMT_ILACE) && img->laceType == D64_ILACE_NONE)
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
1044 {
948d6fda722d Add sanity check for interlaced formats: check that the interlace type flags are set.
Matti Hamalainen <ccr@tnsp.org>
parents: 1645
diff changeset
1045 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
1046 "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
1047 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
1048 }
948d6fda722d Add sanity check for interlaced formats: check that the interlace type flags are set.
Matti Hamalainen <ccr@tnsp.org>
parents: 1645
diff changeset
1049
508
1ed5025c2538 Return DMLIB error values instead of arbitrary 0/negatives.
Matti Hamalainen <ccr@tnsp.org>
parents: 507
diff changeset
1050 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
1051 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1052
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1053
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1054 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
1055 {
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
1056 int res = DMERR_OK;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1057
1469
0046b4e1b35f Various fixes in bmp encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1467
diff changeset
1058 if (img == NULL || fmt == NULL)
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1059 return DMERR_NULLPTR;
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1060
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1061 // Allocate the output buffer if requested
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1062 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
1063 {
1472
b9d3577d8290 Improve error handling and checking.
Matti Hamalainen <ccr@tnsp.org>
parents: 1471
diff changeset
1064 dmError(res,
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1065 "Could not allocate %d bytes of memory for C64 image encoding buffer.\n",
1465
88845f95e791 Change dmC64EncodeGenericBMP() to use DMGrowBuf, and make the necessary changes in gfxconv as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1463
diff changeset
1066 fmt->size);
1447
de5f7e31a8bf Rename labels.
Matti Hamalainen <ccr@tnsp.org>
parents: 1443
diff changeset
1067 goto err;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1068 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1069
1697
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1070 if (buf->backwards)
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1071 {
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1072 dmError(DMERR_INVALID_DATA,
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1073 "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
1074 goto err;
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1075 }
1506
4fd4e7a00db4 Fix handling of predefined DMGrowBuffer in dmC64EncodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents: 1505
diff changeset
1076
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1077 // Perform encoding
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
1078 for (int i = 0; i < D64_MAX_ENCDEC_OPS; i++)
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1079 {
1591
3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1588
diff changeset
1080 const DMC64EncDecOp *op = fmtGetEncDecOp(fmt, i);
1364
0d61895e1763 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1362
diff changeset
1081 size_t size, chksize;
1600
e28e67358ff6 Fix some uninitialized variable warnings.
Matti Hamalainen <ccr@tnsp.org>
parents: 1597
diff changeset
1082 const DMC64MemBlock *blk = NULL;
1853
2081bb4a998a Improve error messaging in generic c64 image encode/decode.
Matti Hamalainen <ccr@tnsp.org>
parents: 1852
diff changeset
1083 const char *subjname = dmC64GetOpSubjectName(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
1084 Uint8 value;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1085
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
1086 // Check for last operator
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1087 if (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
1088 break;
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
1089
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
1090 // Check operation validity
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
1091 if ((res = dmC64SanityCheckEncDecOp(i, op, img)) != DMERR_OK)
1447
de5f7e31a8bf Rename labels.
Matti Hamalainen <ccr@tnsp.org>
parents: 1443
diff changeset
1092 goto err;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1093
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
1094 // Do we need to reallocate some more space?
1933
c5a46cb4cce5 Change DMC64ImageFormat parameter of dmC64GetSubjectSize() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1931
diff changeset
1095 size = dmC64GetOpSubjectSize(op, fmt->format);
1697
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1096 chksize = buf->offs + op->offs + size;
1465
88845f95e791 Change dmC64EncodeGenericBMP() to use DMGrowBuf, and make the necessary changes in gfxconv as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1463
diff changeset
1097 if (!dmGrowBufCheckGrow(buf, chksize))
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1098 {
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
1099 res = dmError(DMERR_MALLOC,
88845f95e791 Change dmC64EncodeGenericBMP() to use DMGrowBuf, and make the necessary changes in gfxconv as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1463
diff changeset
1100 "Could not re-allocate %d bytes of memory for C64 image encoding buffer.\n",
88845f95e791 Change dmC64EncodeGenericBMP() to use DMGrowBuf, and make the necessary changes in gfxconv as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1463
diff changeset
1101 chksize);
88845f95e791 Change dmC64EncodeGenericBMP() to use DMGrowBuf, and make the necessary changes in gfxconv as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1463
diff changeset
1102 goto err;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1103 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1104
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
1105 // Perform operation
1697
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1106 Uint8 *dst = buf->data + buf->offs + op->offs;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1107 switch (op->type)
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1108 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1109 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
1110 case DO_SET_MEM:
1926
f4fa11ecdc6f Add some operators case handlers.
Matti Hamalainen <ccr@tnsp.org>
parents: 1925
diff changeset
1111 case DO_SET_MEM_HI:
f4fa11ecdc6f Add some operators case handlers.
Matti Hamalainen <ccr@tnsp.org>
parents: 1925
diff changeset
1112 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
1113 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
1114 switch (op->subject)
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
1115 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1116 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
1117 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
1118 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
1119 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
1120 case DS_EXTRA_DATA:
1852
219417325036 Split dmC64GetOpMemBlockAndName() into dmC64GetOpMemBlock() and
Matti Hamalainen <ccr@tnsp.org>
parents: 1851
diff changeset
1121 dmC64GetOpMemBlock(img, op->subject, op->bank, &blk);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1122 switch (op->type)
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1123 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1124 case DO_COPY:
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1125 if (blk->data == NULL)
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1126 {
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1127 res = dmError(DMERR_NULLPTR,
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1128 "'%s' block is NULL in "
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1129 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1853
2081bb4a998a Improve error messaging in generic c64 image encode/decode.
Matti Hamalainen <ccr@tnsp.org>
parents: 1852
diff changeset
1130 subjname, i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len);
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1131 goto err;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1132 }
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
1133 if (op->offs2 + size > blk->size)
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1134 {
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1135 res = dmError(DMERR_INTERNAL,
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1136 "'%s' size mismatch %d <> %d in "
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
1137 "op #%d, offs=%d ($%04x), bank=%d, offs2=%d ($%02x), size=%d ($%04x)\n",
1853
2081bb4a998a Improve error messaging in generic c64 image encode/decode.
Matti Hamalainen <ccr@tnsp.org>
parents: 1852
diff changeset
1138 subjname, op->offs2 + size, blk->size, i, op->offs, op->offs, op->bank, op->offs2, op->offs2, size, size);
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1139 goto err;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1140 }
1846
88cef7758303 Implement data block offset in certain DMC64EncDecOps. This allows us to
Matti Hamalainen <ccr@tnsp.org>
parents: 1833
diff changeset
1141 memcpy(dst, blk->data + op->offs2, size);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1142 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1143
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1144 case DO_SET_MEM:
1926
f4fa11ecdc6f Add some operators case handlers.
Matti Hamalainen <ccr@tnsp.org>
parents: 1925
diff changeset
1145 case DO_SET_MEM_HI:
f4fa11ecdc6f Add some operators case handlers.
Matti Hamalainen <ccr@tnsp.org>
parents: 1925
diff changeset
1146 case DO_SET_MEM_LO:
f4fa11ecdc6f Add some operators case handlers.
Matti Hamalainen <ccr@tnsp.org>
parents: 1925
diff changeset
1147 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
1148 // 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
1149 break;
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1150
1924
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1151 default:
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1152 return dmError(DMERR_INTERNAL,
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1153 "Unhandled op type %d in "
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1154 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1155 op->type, i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1156 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1157 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1158
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1159 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
1160 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
1161 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
1162 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
1163 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
1164 case DS_D024:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1165 switch (op->subject)
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1166 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1167 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
1168 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
1169 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
1170 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
1171 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
1172 case DS_D024: value = img->d024; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1173 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1174 switch (op->type)
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1175 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1176 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
1177 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
1178 *dst = value;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1179 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1180
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
1181 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
1182 *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
1183 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
1184
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
1185 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
1186 *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
1187 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
1188
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1189 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
1190 // Do nothing in this case
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1191 break;
1924
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1192
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1193 default:
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1194 return dmError(DMERR_INTERNAL,
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1195 "Unhandled op type %d in "
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1196 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1c5ea4fa8788 Add some default-case error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1923
diff changeset
1197 op->type, i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len);
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1198 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1199 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1200
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1201 default:
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1202 return dmError(DMERR_INTERNAL,
1853
2081bb4a998a Improve error messaging in generic c64 image encode/decode.
Matti Hamalainen <ccr@tnsp.org>
parents: 1852
diff changeset
1203 "Unhandled subject '%s' in "
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1204 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1853
2081bb4a998a Improve error messaging in generic c64 image encode/decode.
Matti Hamalainen <ccr@tnsp.org>
parents: 1852
diff changeset
1205 subjname, i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len);
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1206 }
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1207 break;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1208
1922
3c6f638ce402 Remove the useless distinction of DO_ENC_FUNC and DO_DEC_FUNC, as the
Matti Hamalainen <ccr@tnsp.org>
parents: 1919
diff changeset
1209 case DO_FUNC:
3c6f638ce402 Remove the useless distinction of DO_ENC_FUNC and DO_DEC_FUNC, as the
Matti Hamalainen <ccr@tnsp.org>
parents: 1919
diff changeset
1210 if (op->encFunction != NULL &&
3c6f638ce402 Remove the useless distinction of DO_ENC_FUNC and DO_DEC_FUNC, as the
Matti Hamalainen <ccr@tnsp.org>
parents: 1919
diff changeset
1211 !op->encFunction(op, buf, img, fmt))
904
d3cd9f2a8ef1 Some dummy code for encfunctions.
Matti Hamalainen <ccr@tnsp.org>
parents: 903
diff changeset
1212 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1213 res = dmError(DMERR_INTERNAL,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1214 "Encode op custom function failed: op #%d, "
904
d3cd9f2a8ef1 Some dummy code for encfunctions.
Matti Hamalainen <ccr@tnsp.org>
parents: 903
diff changeset
1215 "offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1486
bc13af8954d7 Add DMC64ImageFormat to C64 bitmap format encoding/decoding ops function parameters.
Matti Hamalainen <ccr@tnsp.org>
parents: 1485
diff changeset
1216 i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len);
bc13af8954d7 Add DMC64ImageFormat to C64 bitmap format encoding/decoding ops function parameters.
Matti Hamalainen <ccr@tnsp.org>
parents: 1485
diff changeset
1217 goto err;
904
d3cd9f2a8ef1 Some dummy code for encfunctions.
Matti Hamalainen <ccr@tnsp.org>
parents: 903
diff changeset
1218 }
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1219 break;
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1220 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1221 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1222
1448
50402c225ef4 Do not insert load address to the buffer beginning in dmC64EncodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents: 1447
diff changeset
1223 res = DMERR_OK;
535
ab8d9696225c Add helper macros and use them to set the loading address while encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 534
diff changeset
1224
1447
de5f7e31a8bf Rename labels.
Matti Hamalainen <ccr@tnsp.org>
parents: 1443
diff changeset
1225 err:
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1226 return res;
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1227 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1228
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1229
530
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1230 // Convert a generic "C64" format bitmap in DMC64Image struct to
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1231 // a indexed/paletted bitmap image.
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1232 int dmC64ConvertGenericBMP2Image(DMImage *dst, const DMC64Image *src,
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1233 const DMC64ImageFormat *fmt, 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
1234 {
1375
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1235 DMC64GetPixelFunc getPixel;
530
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1236
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1237 // Sanity check arguments
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1238 if (dst == NULL || src == NULL || fmt == NULL || spec == NULL)
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1239 return DMERR_NULLPTR;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1240
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1241 if (dst->width < src->width || dst->height < src->height)
1460
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1242 {
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1243 return dmError(DMERR_INVALID_DATA,
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1244 "Invalid src vs. dst width/height %d x %d <-> %d x %d\n",
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1245 src->width, src->height, dst->width, dst->height);
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1246 }
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1247
1167
848a88ce7a57 Use dmMemset().
Matti Hamalainen <ccr@tnsp.org>
parents: 1134
diff changeset
1248 dmMemset(dst->data, 0, dst->size);
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1249
1375
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1250 // Check pixel getter function
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1251 if (fmt->format->getPixel != NULL)
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1252 getPixel = fmt->format->getPixel;
1375
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1253 else
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1254 getPixel = (fmt->format->type & D64_FMT_MC) ? fmtGetGenericMCPixel : fmtGetGenericSCPixel;
1375
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1255
1362
7bc67ba68904 Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents: 1361
diff changeset
1256 // Resolution interlaced pics need to halve the source width
7bc67ba68904 Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents: 1361
diff changeset
1257 int rwidth = src->width;
7bc67ba68904 Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents: 1361
diff changeset
1258 if ((src->type & D64_FMT_ILACE) && src->laceType == D64_ILACE_RES)
7bc67ba68904 Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents: 1361
diff changeset
1259 rwidth /= 2;
7bc67ba68904 Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents: 1361
diff changeset
1260
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1261 // Perform conversion
1411
a9afb2ad39cb Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1396
diff changeset
1262 for (int yc = 0; yc < src->height; yc++)
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1263 {
1919
f0225a52afce Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1918
diff changeset
1264 Uint8 *dp = dst->data + (yc * dst->pitch);
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1265 const int y = yc / 8, yb = yc & 7;
1482
df6dacb48970 Rename some struct members, and sanitize handling of DMC64Image allocation more.
Matti Hamalainen <ccr@tnsp.org>
parents: 1478
diff changeset
1266 const int scroffsy = y * src->chWidth;
1927
1b55bcf548de Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1926
diff changeset
1267 const int bmoffsy = y * src->chWidth * 8 + yb;
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1268
1927
1b55bcf548de Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1926
diff changeset
1269 for (int xc = 0; xc < rwidth; xc++)
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1270 if (src->type & D64_FMT_CHAR)
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1271 {
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1272 // Charmode conversion
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1273 if ((src->type & D64_FMT_MC) == D64_FMT_HIRES)
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1274 {
1927
1b55bcf548de Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1926
diff changeset
1275 // Hi-res charmap
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1276 const int x = xc / 8;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1277 const int scroffs = scroffsy + x;
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
1278 const int chr = src->screen[0].data[scroffs];
1927
1b55bcf548de Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1926
diff changeset
1279 const int vshift = 7 - (xc & 7);
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1280
1927
1b55bcf548de Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1926
diff changeset
1281 if ((src->charData[0].data[chr * C64_CHR_SIZE + yb] >> vshift) & 1)
1919
f0225a52afce Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1918
diff changeset
1282 *dp++ = src->color[0].data[scroffs];
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1283 else
1919
f0225a52afce Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1918
diff changeset
1284 *dp++ = src->bgcolor;
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1285 }
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1286 else
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1287 {
1927
1b55bcf548de Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1926
diff changeset
1288 // Multicolor variants
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1289 const int x = xc / 4;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1290 const int scroffs = scroffsy + x;
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
1291 const int chr = src->screen[0].data[scroffs];
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
1292 const int col = src->color[0].data[scroffs] & 15;
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
1293
944
c62bb4028cf0 Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents: 943
diff changeset
1294 if (col & 8)
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1295 {
1927
1b55bcf548de Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1926
diff changeset
1296 const int vshift = 6 - ((xc * 2) & 6);
1b55bcf548de Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1926
diff changeset
1297 switch ((src->charData[0].data[chr * C64_CHR_SIZE + yb] >> vshift) & 3)
944
c62bb4028cf0 Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents: 943
diff changeset
1298 {
1919
f0225a52afce Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1918
diff changeset
1299 case 0: *dp++ = src->bgcolor; break;
f0225a52afce Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1918
diff changeset
1300 case 1: *dp++ = src->d022; break;
f0225a52afce Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1918
diff changeset
1301 case 2: *dp++ = src->d023; break;
f0225a52afce Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1918
diff changeset
1302 case 3: *dp++ = col;
944
c62bb4028cf0 Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents: 943
diff changeset
1303 }
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1304 }
944
c62bb4028cf0 Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents: 943
diff changeset
1305 else
c62bb4028cf0 Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents: 943
diff changeset
1306 {
1927
1b55bcf548de Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1926
diff changeset
1307 const int vshift = 7 - (xc & 7);
1b55bcf548de Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1926
diff changeset
1308 if ((src->charData[0].data[chr * C64_CHR_SIZE + yb] >> vshift) & 1)
1919
f0225a52afce Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1918
diff changeset
1309 *dp++ = src->color[0].data[scroffs];
944
c62bb4028cf0 Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents: 943
diff changeset
1310 else
1919
f0225a52afce Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1918
diff changeset
1311 *dp++ = src->bgcolor;
944
c62bb4028cf0 Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents: 943
diff changeset
1312 }
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1313 }
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1314 }
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1315 else
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1316 {
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1317 // Perform generic BITMAP conversion
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1318 if ((src->type & D64_FMT_MC) == D64_FMT_HIRES)
530
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1319 {
1927
1b55bcf548de Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1926
diff changeset
1320 // Hi-res bitmap
530
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1321 const int x = xc / 8;
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1322 const int scroffs = scroffsy + x;
940
ff18d2511843 Remove the doubleMC madness completely. Should be replaced with x/y aspect
Matti Hamalainen <ccr@tnsp.org>
parents: 939
diff changeset
1323 const int bmoffs = bmoffsy + (x * 8);
1375
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1324 const int vshift = 7 - (xc & 7);
530
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1325
1919
f0225a52afce Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1918
diff changeset
1326 *dp++ = getPixel(src, bmoffs, scroffs, vshift, 0, xc, yc);
530
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1327 }
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1328 else
529
1bce06b5026f Combine conversion of interlaced and normal multicolor images to one function.
Matti Hamalainen <ccr@tnsp.org>
parents: 528
diff changeset
1329 {
1927
1b55bcf548de Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1926
diff changeset
1330 // Multicolor bitmap and variants
901
f532262f90b1 Actually fix commit 16aa5955dfb5.
Matti Hamalainen <ccr@tnsp.org>
parents: 857
diff changeset
1331 const int x = xc / 4;
f532262f90b1 Actually fix commit 16aa5955dfb5.
Matti Hamalainen <ccr@tnsp.org>
parents: 857
diff changeset
1332 const int scroffs = scroffsy + x;
940
ff18d2511843 Remove the doubleMC madness completely. Should be replaced with x/y aspect
Matti Hamalainen <ccr@tnsp.org>
parents: 939
diff changeset
1333 const int bmoffs = bmoffsy + (x * 8);
1375
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1334 const int vshift = 6 - ((xc * 2) & 6);
530
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1335
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1336 if (src->type & D64_FMT_ILACE)
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1337 {
1362
7bc67ba68904 Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents: 1361
diff changeset
1338 switch (src->laceType)
7bc67ba68904 Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents: 1361
diff changeset
1339 {
7bc67ba68904 Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents: 1361
diff changeset
1340 case D64_ILACE_RES:
1919
f0225a52afce Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1918
diff changeset
1341 *dp++ = getPixel(src, bmoffs, scroffs, vshift, 0, xc, yc);
f0225a52afce Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1918
diff changeset
1342 *dp++ = getPixel(src, bmoffs, scroffs, vshift, 1, xc, yc);
1362
7bc67ba68904 Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents: 1361
diff changeset
1343 break;
1366
d4387509a363 Return DMERR_NOT_SUPPORTED for decoding color-interlaced images, for now
Matti Hamalainen <ccr@tnsp.org>
parents: 1365
diff changeset
1344
d4387509a363 Return DMERR_NOT_SUPPORTED for decoding color-interlaced images, for now
Matti Hamalainen <ccr@tnsp.org>
parents: 1365
diff changeset
1345 default:
d4387509a363 Return DMERR_NOT_SUPPORTED for decoding color-interlaced images, for now
Matti Hamalainen <ccr@tnsp.org>
parents: 1365
diff changeset
1346 return DMERR_NOT_SUPPORTED;
1362
7bc67ba68904 Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents: 1361
diff changeset
1347 }
530
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1348 }
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1349 else
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1350 {
1919
f0225a52afce Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1918
diff changeset
1351 *dp++ = getPixel(src, bmoffs, scroffs, vshift, 0, xc, yc);
530
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1352 }
529
1bce06b5026f Combine conversion of interlaced and normal multicolor images to one function.
Matti Hamalainen <ccr@tnsp.org>
parents: 528
diff changeset
1353 }
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1354 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1355 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1356
508
1ed5025c2538 Return DMLIB error values instead of arbitrary 0/negatives.
Matti Hamalainen <ccr@tnsp.org>
parents: 507
diff changeset
1357 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
1358 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1359
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1360
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1361 int dmC64ConvertBMP2Image(DMImage **pdst, const DMC64Image *src,
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1362 const DMC64ImageFormat *fmt, const DMC64ImageConvSpec *spec)
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1363 {
940
ff18d2511843 Remove the doubleMC madness completely. Should be replaced with x/y aspect
Matti Hamalainen <ccr@tnsp.org>
parents: 939
diff changeset
1364 int res;
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1365 DMImage *dst;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1366
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1367 if (pdst == NULL || src == NULL || fmt == NULL || spec == NULL)
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1368 return DMERR_NULLPTR;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1369
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1370 // Allocate image structure
1801
0562dd55a1f6 s/DM_IFMT_/DM_COLFMT_/g
Matti Hamalainen <ccr@tnsp.org>
parents: 1799
diff changeset
1371 if ((*pdst = dst = dmImageAlloc(src->width, src->height, DM_COLFMT_PALETTE, -1)) == NULL)
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1372 return DMERR_MALLOC;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1373
1426
4c7b456d7f0b Rename global dmC64Palette to dmDefaultC64Palette.
Matti Hamalainen <ccr@tnsp.org>
parents: 1425
diff changeset
1374 // Set partial palette information
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1375 dst->ncolors = C64_NCOLORS;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1376 dst->constpal = TRUE;
1730
881a3fc421d8 Use the default C64 palette whenever we need it, but make it possible to override it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1728
diff changeset
1377 dst->pal = dmDefaultC64Palette;
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1378
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1379 // Convert
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1380 if (fmt->format->convertFrom != 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
1381 res = fmt->format->convertFrom(dst, src, fmt, spec);
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1382 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
1383 res = dmC64ConvertGenericBMP2Image(dst, src, fmt, spec);
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1384
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1385 return res;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1386 }
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1387
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1388
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1389 int dmC64DecodeBMP(DMC64Image **img, const DMGrowBuf *buf,
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1390 const size_t probeOffs, const size_t loadOffs,
516
6f141f760c54 Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 515
diff changeset
1391 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
1392 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1393 DMGrowBuf tmp;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1394
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1395 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
1396 return DMERR_NULLPTR;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1397
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1398 // Check for forced format
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1399 if (forced != NULL)
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1400 *fmt = forced;
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1401 else
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1402 {
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1403 // Nope, perform a generic probe
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1404 if (probeOffs >= buf->len)
1460
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1405 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
1406
1747
5e928618fdc8 Change DMGrowBuf API somewhat and implement more copy operations.
Matti Hamalainen <ccr@tnsp.org>
parents: 1744
diff changeset
1407 dmGrowBufConstCopyOffs(&tmp, buf, probeOffs);
1780
5ea4713e9e0f Change c64 format probing API to use DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1775
diff changeset
1408 if (dmC64ProbeBMP(&tmp, fmt) == DM_PROBE_SCORE_FALSE)
1460
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1409 return DMERR_NOT_SUPPORTED;
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1410 }
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1411
1710
1f0fac3af8e3 Use buf->len instead of tmp.len, as it might not be initialized.
Matti Hamalainen <ccr@tnsp.org>
parents: 1707
diff changeset
1412 if (loadOffs >= buf->len)
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1413 return DMERR_INVALID_ARGS;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1414
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1415 if (*fmt == NULL)
1548
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1416 return DMERR_NOT_SUPPORTED;
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1417
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1418 // Format supports only reading?
1548
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1419 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
1420 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
1421
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1422 // Allocate memory
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
1423 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
1424 return DMERR_MALLOC;
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1425
1747
5e928618fdc8 Change DMGrowBuf API somewhat and implement more copy operations.
Matti Hamalainen <ccr@tnsp.org>
parents: 1744
diff changeset
1426 dmGrowBufConstCopyOffs(&tmp, buf, loadOffs);
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1427
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1428 // 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
1429 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
1430 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
1431 else
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1432 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
1433 }
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1434
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1435
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1436 // Convert a generic bitmap image to DMC64Image
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1437 int dmC64ConvertGenericImage2BMP(DMC64Image *dst, 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
1438 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
1439 {
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1440 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
1441 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
1442
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1443 return DMERR_OK;
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1444 }
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1445
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1446
1931
410679d2fe8a "Enable" the image->c64 bitmap conversion path in gfxconv. It does not work
Matti Hamalainen <ccr@tnsp.org>
parents: 1927
diff changeset
1447 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
1448 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
1449 {
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1450 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
1451 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
1452
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1453 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
1454 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
1455
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1456 // 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
1457 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
1458 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
1459
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1460 // Convert
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1461 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
1462 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
1463 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
1464 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
1465
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1466 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
1467 }
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1468
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1469
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1470 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
1471 {
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1472 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
1473
1580
72f809e6eb3c Add NULL check for growbuf pointer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1573
diff changeset
1474 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
1475 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
1476
1548
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1477 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
1478 return DMERR_NOT_SUPPORTED;
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1479
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1480 // Allocate a buffer
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1481 if ((res = dmGrowBufAlloc(buf, BUF_SIZE_INITIAL, BUF_SIZE_GROW)) != DMERR_OK)
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1482 goto err;
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1483
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1484 // Add the loading address
1828
6e1dd79c6bce Use dmGrowBufPutU16LE() instead of two dmGrowBufPutU8() to push the loading
Matti Hamalainen <ccr@tnsp.org>
parents: 1827
diff changeset
1485 if (!dmGrowBufPutU16LE(buf, fmt->addr))
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1486 goto err;
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1487
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1488 // 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
1489 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
1490 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
1491 else
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1492 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
1493
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1494 if (res != DMERR_OK)
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1495 goto err;
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1496
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
1497 // 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
1498 // 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
1499 // 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
1500 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
1501 !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
1502 {
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
1503 res = DMERR_MALLOC;
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
1504 goto err;
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
1505 }
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
1506
1469
0046b4e1b35f Various fixes in bmp encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1467
diff changeset
1507 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
1508
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1509 err:
1799
708d333734f9 Comment.
Matti Hamalainen <ccr@tnsp.org>
parents: 1797
diff changeset
1510 // 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
1511 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
1512 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
1513 }
1774
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1514
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1515
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1516 // 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
1517 // 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
1518 // "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
1519 // 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
1520 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
1521 {
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1522 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
1523
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1524 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
1525 {
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1526 const DMC64ImageFormat *fmt = &dmC64ImageFormats[i];
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1527 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
1528 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
1529 {
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1530 // 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
1531 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
1532 score = DM_PROBE_SCORE_GOOD;
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1533 }
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1534 else
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1535 if (fmt->probe != NULL)
1780
5ea4713e9e0f Change c64 format probing API to use DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1775
diff changeset
1536 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
1537
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1538 if (score > scoreMax)
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1539 {
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1540 scoreMax = score;
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1541 scoreIndex = i;
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1542 }
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1543 }
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1544
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1545 if (scoreIndex >= 0)
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1546 {
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1547 *pfmt = &dmC64ImageFormats[scoreIndex];
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1548 return scoreMax;
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1549 }
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1550 else
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1551 return DM_PROBE_SCORE_FALSE;
88354355b8e1 Move dmC64ProbeBMP() to more logical place in the source.
Matti Hamalainen <ccr@tnsp.org>
parents: 1764
diff changeset
1552 }
1775
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1553
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1554
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1555 void dmC64InitializeFormats(void)
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1556 {
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1557 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
1558 {
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1559 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
1560 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
1561 fmt->format = &fmt->formatDef;
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1562 }
4e4d54135baf Refactor the c64 bitmap format definitions handling to be more flexible. Again.
Matti Hamalainen <ccr@tnsp.org>
parents: 1774
diff changeset
1563 }