annotate tools/lib64gfx.c @ 1731:474055f25ab0

Move dmDefaultC64Palette back to lib64gfx.c
author Matti Hamalainen <ccr@tnsp.org>
date Fri, 08 Jun 2018 22:07:05 +0300
parents 881a3fc421d8
children 07111a60cd4e
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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
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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)
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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->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 "Format : %s [%s]\n",
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61 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 "Type : %s [%s]\n"
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70 "Banks : %d\n",
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71 typeStr, typeStr2,
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72 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 "Interlace type : %s\n",
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85 tmps);
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86 }
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87
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88 fprintf(fh,
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89 "Width x Height : %d x %d [%d x %d]\n"
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90 "CHwidth x CHheight : %d x %d [%d x %d]\n",
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91 img->width, img->height,
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92 fmt->width, fmt->height,
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93 img->chWidth, img->chHeight,
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94 fmt->chWidth, fmt->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 "Type : %s\n"
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100 "Width x Height : %d x %d\n"
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101 "CHwidth x CHheight : %d x %d\n",
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102 typeStr,
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103 fmt->width, fmt->height,
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104 fmt->chWidth, fmt->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 dmCompareAddr16(const Uint8 *buf, const size_t offs, const Uint16 addr)
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119 {
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120 return buf[offs ] == DM_GET_ADDR_LO(addr) &&
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121 buf[offs + 1] == DM_GET_ADDR_HI(addr);
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122 }
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123
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124
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125 int dmC64ImageGetNumBanks(const DMC64ImageFormat *fmt)
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126 {
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127 int nbanks = 0;
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128 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
129 {
1591
3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1588
diff changeset
130 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
131 if (op->type == DO_LAST)
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
132 break;
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
133
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
134 if (op->bank > nbanks)
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
135 nbanks = op->bank;
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
136 }
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
137
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
138 return nbanks + 1;
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
139 }
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
140
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
141
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
142 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
143 {
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
144 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
145 return DMERR_MALLOC;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
146
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
147 blk->size = size;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
148 return DMERR_OK;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
149 }
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
150
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
151
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
152 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
153 {
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
154 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
155 {
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
156 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
157 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
158 return DMERR_MALLOC;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
159
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
160 memcpy(dst->data, src->data, src->size);
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
161 }
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
162
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
163 return DMERR_OK;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
164 }
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
165
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
166
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
167 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
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 != NULL)
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
170 {
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
171 dmFreeR(&blk->data);
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
172 blk->size = 0;
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
173 }
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
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
177 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
178 {
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
179 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
180
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
181 if (img == NULL)
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
182 return NULL;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
183
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
184 // Initialize image information
1492
5f9080d24f3c Set DMC64Image::type in dmC64ImageAlloc() from format type.
Matti Hamalainen <ccr@tnsp.org>
parents: 1491
diff changeset
185 img->type = fmt->type;
1491
b329fea6f013 Reindent polishing.
Matti Hamalainen <ccr@tnsp.org>
parents: 1489
diff changeset
186 img->width = fmt->width;
b329fea6f013 Reindent polishing.
Matti Hamalainen <ccr@tnsp.org>
parents: 1489
diff changeset
187 img->height = fmt->height;
b329fea6f013 Reindent polishing.
Matti Hamalainen <ccr@tnsp.org>
parents: 1489
diff changeset
188 img->chWidth = fmt->chWidth;
b329fea6f013 Reindent polishing.
Matti Hamalainen <ccr@tnsp.org>
parents: 1489
diff changeset
189 img->chHeight = fmt->chHeight;
b329fea6f013 Reindent polishing.
Matti Hamalainen <ccr@tnsp.org>
parents: 1489
diff changeset
190 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
191
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
192 // Allocate banks
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
193 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
194 (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
195 (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
196 (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
197 goto err;
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
198
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
199 return img;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
200
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
201 err:
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
202 dmC64ImageFree(img);
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
203 return NULL;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
204 }
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
205
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
206
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
207 void dmC64ImageFree(DMC64Image *img)
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
208 {
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
209 if (img != NULL)
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
210 {
1462
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
211 // Free the allocated areas
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
212 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
213 {
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
214 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
215 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
216 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
217 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
218 }
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
219
1462
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
220 // 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
221 dmFree(img->color);
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
222 dmFree(img->bitmap);
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
223 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
224 dmFree(img->charData);
1462
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
225
9cb6dd1046bf Fix memory leaks by freeing more things in dmC64ImageFree().
Matti Hamalainen <ccr@tnsp.org>
parents: 1461
diff changeset
226 // Extra data ..
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
227 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
228 dmC64MemBlockFree(&img->extraData[i]);
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
229
1167
848a88ce7a57 Use dmMemset().
Matti Hamalainen <ccr@tnsp.org>
parents: 1134
diff changeset
230 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
231 dmFree(img);
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
232 }
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
233 }
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
234
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
235
827
c8beac5313c3 Rename a function.
Matti Hamalainen <ccr@tnsp.org>
parents: 812
diff changeset
236 int dmC64ConvertCSDataToImage(DMImage *img,
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
237 int xoffs, int yoffs, const Uint8 *buf,
915
ba6b210c9bf4 Cosmetic.
Matti Hamalainen <ccr@tnsp.org>
parents: 912
diff changeset
238 int width, int height, BOOL multicolor,
ba6b210c9bf4 Cosmetic.
Matti Hamalainen <ccr@tnsp.org>
parents: 912
diff changeset
239 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
240 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
241 int yc, widthpx = width * 8;
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
242 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
243
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
244 if (img == NULL)
517
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
245 return DMERR_NULLPTR;
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
246
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
247 if (xoffs < 0 || yoffs < 0 ||
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
248 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
249 yoffs > img->height - height)
517
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
250 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
251
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
252 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
253
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
254 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
255 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
256 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
257 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
258 const int offs = yc * width;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
259 int xc;
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
260 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
261
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
262 for (xc = 0; xc < widthpx / 2; xc++)
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
263 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
264 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
265 const int v = 6 - ((xc * 2) & 6);
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
266 const Uint8 c = colors[(b >> v) & 3];
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
267
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
268 *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
269 *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
270 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
271
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
272 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
273 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
274 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
275 else
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
276 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
277 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
278 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
279 const int offs = yc * width;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
280 int xc;
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
281 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
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 for (xc = 0; xc < widthpx; xc++)
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
284 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
285 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
286 const int v = 7 - (xc & 7);
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
287 const Uint8 c = colors[(b >> v) & 1];
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
288
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
289 *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
290 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
291
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
292 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
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 }
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
295
517
e2a76bb59888 Return better error values, using DMERR_* enums.
Matti Hamalainen <ccr@tnsp.org>
parents: 516
diff changeset
296 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
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
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
299
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
300 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
301 {
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
302 #define DM_STAT_MAX 256
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
303 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
304
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
305 // Allocate statistics counts buffer
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
306 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
307 return;
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
308
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
309 // 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
310 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
311 stats[buf->data[offs]]++;
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
312
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
313 // 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
314 switch (cfg->type)
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
315 {
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
316 case DM_COMP_RLE_MARKER:
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
317 {
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
318 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
319 smallest = buf->len;
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
320
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
321 // 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
322 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
323 {
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
324 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
325 {
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
326 cfg->rleMarkerW = selected;
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
327 cfg->rleMarkerB = selected = n;
1650
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
328 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
329 }
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
330 }
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
331 }
9233da9de92c Refactor RLE encoding a bit, and add support for 16bit run counts and make things more configurable.
Matti Hamalainen <ccr@tnsp.org>
parents: 1647
diff changeset
332 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
333
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
334 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
335 cfg->rleMarkerMask = 0xC0;
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
336 cfg->rleMarkerBits = 0xC0;
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
337 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
338 break;
1542
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
339 }
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
340
69fa95707e65 Implement dmGenericRLEAnalyze() and use it where appropriate.
Matti Hamalainen <ccr@tnsp.org>
parents: 1537
diff changeset
341 dmFree(stats);
1503
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1501
diff changeset
342 }
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1501
diff changeset
343
c7b9ef56319b Factor all the c64 file format specific things into lib64fmt.c
Matti Hamalainen <ccr@tnsp.org>
parents: 1501
diff changeset
344
1713
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
345 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
346 {
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
347 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
348 {
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
349 src->offs = src->len - 1;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
350 src->backwards = TRUE;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
351 }
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
352
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
353 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
354 {
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
355 dst->backwards = TRUE;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
356 dst->offs = dst->size - 1;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
357 }
1718
bed88d17f28c Fix a commit blunder here ..
Matti Hamalainen <ccr@tnsp.org>
parents: 1717
diff changeset
358 }
bed88d17f28c Fix a commit blunder here ..
Matti Hamalainen <ccr@tnsp.org>
parents: 1717
diff changeset
359
bed88d17f28c Fix a commit blunder here ..
Matti Hamalainen <ccr@tnsp.org>
parents: 1717
diff changeset
360
1713
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
361 void dmFinishRLEBuffers(DMGrowBuf *dst, DMGrowBuf *src, const DMCompParams *cfg)
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
362 {
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
363 if (cfg->flags & DM_RLE_BACKWARDS_OUTPUT)
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
364 {
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
365 memmove(dst->data, dst->data + dst->offs, dst->len);
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
366 dst->offs = 0;
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
367 }
1720
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
368
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
369 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
370 {
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
371 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
372 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
373 {
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
374 memmove(dst->data, dst->data + dst->len - cfg->cropOutLen + 1, 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
375 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
376 }
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
377 break;
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
378
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
379 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
380 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
381 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
382 break;
77a4d8fab5cc Add output buffer cropping to dmFinishRLEBuffers() and the flags and fields to DMGrowBuf.
Matti Hamalainen <ccr@tnsp.org>
parents: 1718
diff changeset
383 }
1713
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
384 }
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
385
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
386
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
387 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
388 {
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
389 unsigned int scount;
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
390 for (scount = count; scount; scount--)
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
391 {
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
392 if (!dmGrowBufPutU8(dst, data))
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
393 {
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
394 return dmError(DMERR_MALLOC,
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
395 "%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
396 "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
397 cfg->func, count, data, dst->offs, dst->size);
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
398 }
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
399 }
0a9110b4d036 Add few RLE helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1710
diff changeset
400 return DMERR_OK;
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
401 }
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
402
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
403
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
404 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
405 {
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
406 int res;
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
407 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
408 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
409
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
410 // 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
411 // 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
412 dmGrowBufConstCopy(&src, psrc);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
413 dmSetupRLEBuffers(dst, &src, cfg);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
414
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
415 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
416 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
417 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
418
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
419 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
420 {
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
421 // A simple marker byte RLE variant: [Marker] [count] [data]
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
422 if (data == cfg->rleMarkerB && (cfg->flags & DM_RLE_BYTE_RUNS))
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
423 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
424 if (!dmGrowBufGetU8(&src, &tmp1) ||
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
425 !dmGrowBufGetU8(&src, &tmp2))
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
426 {
1727
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
427 res = dmError(DMERR_INVALID_DATA,
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
428 "%s: RLE: Invalid data/out of data for byte length run sequence.\n",
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
429 cfg->func);
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
430 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
431 }
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
432 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
433 {
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
434 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
435 count = tmp1;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
436 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
437 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
438
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
439 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
440 data = tmp1;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
441 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
442 break;
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
443 }
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
444 }
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
445 else
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
446 if (data == cfg->rleMarkerW && (cfg->flags & DM_RLE_WORD_RUNS))
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
447 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
448 if (!dmGrowBufGetU8(&src, &tmp1) ||
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
449 !dmGrowBufGetU8(&src, &tmp2) ||
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
450 !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
451 {
1727
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
452 res = dmError(DMERR_INVALID_DATA,
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
453 "%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
454 cfg->func);
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
455 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
456 }
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
457 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
458 {
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
459 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
460 count = (tmp2 << 8) | tmp1;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
461 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
462 break;
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
463
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
464 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
465 data = tmp1;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
466 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
467 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
468 }
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
469 }
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
470 }
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
471 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
472 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
473 {
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
474 // 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
475 // 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
476 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
477 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
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,
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
481 "%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
482 cfg->func);
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
483 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
484 }
1466
bc75be0546fc More work on RLE decoder/encoder changes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1465
diff changeset
485
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
486 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
487 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
488 }
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
489 }
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
490
1715
c0c6fd8b288a Use dmGenericRLEOutputRun().
Matti Hamalainen <ccr@tnsp.org>
parents: 1713
diff changeset
491 if ((res = dmGenericRLEOutputRun(dst, cfg, data, count)) != DMERR_OK)
c0c6fd8b288a Use dmGenericRLEOutputRun().
Matti Hamalainen <ccr@tnsp.org>
parents: 1713
diff changeset
492 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
493 }
523
d0c0c6baeb57 Split the RLE decoding from DrazPaint/Lace and Amica paint decoders to a
Matti Hamalainen <ccr@tnsp.org>
parents: 519
diff changeset
494
1717
7de37c01dbd4 Use dmFinishRLEBuffers() in dmDecodeGenericRLE()
Matti Hamalainen <ccr@tnsp.org>
parents: 1716
diff changeset
495 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
496 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
497
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
498 out:
1463
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
499 return res;
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
500 }
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
501
bde6a66bc2f6 Change dmDecodeGenericRLE() to use DMGrowBuf as output. Also add support
Matti Hamalainen <ccr@tnsp.org>
parents: 1462
diff changeset
502
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
503 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
504 {
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
505 int res;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
506 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
507 return res;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
508
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
509 return dmDecodeGenericRLE(dst, src, cfg);
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
510 }
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
511
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
512
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
513 int dmEncodeGenericRLESequence(DMGrowBuf *dst, const Uint8 data, const unsigned int count, const DMCompParams *cfg)
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
514 {
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
515 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
516 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
517
3265175b24d2 Change the passing of RLE compression/decompression parameters to be in a dedicated struct.
Matti Hamalainen <ccr@tnsp.org>
parents: 1503
diff changeset
518 switch (cfg->type)
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
519 {
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
520 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
521 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
522 (count >= cfg->rleMinCountW || data == cfg->rleMarkerW))
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
523 {
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
524 // A simple marker byte RLE variant: [Marker] [count] [data]
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
525 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
526 goto err;
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
527
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
528 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
529 {
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
530 case DM_RLE_ORDER_1:
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
531 if (!dmGrowBufPutU16LE(dst, count) ||
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
532 !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
533 goto err;
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
534 break;
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
535
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
536 case DM_RLE_ORDER_2:
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
537 if (!dmGrowBufPutU8(dst, data) ||
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
538 !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
539 goto err;
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
540 break;
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
541 }
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
542 }
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
543 else
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
544 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
545 (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
546 {
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
547 // A simple marker byte RLE variant: [Marker] [count] [data]
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
548 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
549 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
550
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
551 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
552 {
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
553 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
554 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
555 !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
556 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
557 break;
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
558
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
559 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
560 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
561 !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
562 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
563 break;
86373ac0861a Implement another RLE variant, with different ordering of marker, count and data bytes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1548
diff changeset
564 }
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
565 }
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
566 else
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
567 copyOnly = TRUE;
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
568 break;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
569
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
570 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
571 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
572 {
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
573 // 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
574 // 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
575 if (!dmGrowBufPutU8(dst, cfg->rleMarkerBits | count) ||
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
576 !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
577 goto err;
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
578 }
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
579 else
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
580 copyOnly = TRUE;
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
581 break;
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
582 }
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
583
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
584 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
585 return res;
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
586
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
587 return DMERR_OK;
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
588
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
589 err:
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
590 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
591 "%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
592 cfg->func, count, data);
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
593 }
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
594
1466
bc75be0546fc More work on RLE decoder/encoder changes.
Matti Hamalainen <ccr@tnsp.org>
parents: 1465
diff changeset
595
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
596 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
597 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
598 DMGrowBuf src;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
599 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
600 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
601 Uint8 data;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
602
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
603 // 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
604 // 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
605 dmGrowBufConstCopy(&src, psrc);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
606 dmSetupRLEBuffers(dst, &src, cfg);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
607
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
608 while (dmGrowBufGetU8(&src, &data))
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
609 {
1660
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
610 // 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
611 // for the active runs mode(s) .. then encode the run.
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
612 if (data != prev ||
7555c8803529 More work on improving the generic RLE decoder/encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1650
diff changeset
613 ((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
614 (((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
615 {
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
616 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
617 goto err;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
618
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
619 count = 1;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
620 }
1496
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
621 else
5c46004dad15 Work on the RLE encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1494
diff changeset
622 count++;
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
623
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
624 prev = data;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
625 }
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
626
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
627 // 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
628 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
629 goto err;
24b8b452925e Improve error handling of RLE encoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1513
diff changeset
630
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
631 dmFinishRLEBuffers(dst, &src, cfg);
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
632
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
633 err:
1716
9731b0bdec64 Improve error handling of dmEncodeGenericRLESequence() and use dmGenericRLEOutputRun() here as well.
Matti Hamalainen <ccr@tnsp.org>
parents: 1715
diff changeset
634 return res;
1478
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
635 }
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
636
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
637
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
638 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
639 {
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
640 int res;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
641 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
642 return res;
d883b4c1cf48 More work on RLE encoding/decoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1476
diff changeset
643
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
644 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
645 }
d0c0c6baeb57 Split the RLE decoding from DrazPaint/Lace and Amica paint decoders to a
Matti Hamalainen <ccr@tnsp.org>
parents: 519
diff changeset
646
519
feaaf0e2ecbe Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 518
diff changeset
647
518
63849f85db57 Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 517
diff changeset
648 // Perform probing of the given data buffer, trying to determine
63849f85db57 Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 517
diff changeset
649 // if it contains a supported "C64" image format. Returns the
63849f85db57 Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 517
diff changeset
650 // "probe score", see libgfx.h for list of values. If a match
63849f85db57 Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 517
diff changeset
651 // is found, pointer to format description is set to *pfmt.
537
32d9e67da189 Rename generic probing function to match the style of other lib64gfx functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 536
diff changeset
652 int dmC64ProbeBMP(const Uint8 *buf, const size_t len, const DMC64ImageFormat **pfmt)
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
653 {
1380
959b34402b81 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 1378
diff changeset
654 int scoreMax = DM_PROBE_SCORE_FALSE, scoreIndex = -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
655
1380
959b34402b81 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 1378
diff changeset
656 for (int i = 0; i < ndmC64ImageFormats; 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
657 {
516
6f141f760c54 Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 515
diff changeset
658 const DMC64ImageFormat *fmt = &dmC64ImageFormats[i];
511
4cdcaeb68b54 Collapse most of the probing functions into one generic probe, as they only
Matti Hamalainen <ccr@tnsp.org>
parents: 510
diff changeset
659 int score = DM_PROBE_SCORE_FALSE;
4cdcaeb68b54 Collapse most of the probing functions into one generic probe, as they only
Matti Hamalainen <ccr@tnsp.org>
parents: 510
diff changeset
660 if (fmt->probe == NULL && fmt->size > 0 && fmt->addr > 0)
4cdcaeb68b54 Collapse most of the probing functions into one generic probe, as they only
Matti Hamalainen <ccr@tnsp.org>
parents: 510
diff changeset
661 {
4cdcaeb68b54 Collapse most of the probing functions into one generic probe, as they only
Matti Hamalainen <ccr@tnsp.org>
parents: 510
diff changeset
662 // Generic probe just checks matching size and load address
4cdcaeb68b54 Collapse most of the probing functions into one generic probe, as they only
Matti Hamalainen <ccr@tnsp.org>
parents: 510
diff changeset
663 if (len == fmt->size && dmCompareAddr16(buf, 0, fmt->addr))
4cdcaeb68b54 Collapse most of the probing functions into one generic probe, as they only
Matti Hamalainen <ccr@tnsp.org>
parents: 510
diff changeset
664 score = DM_PROBE_SCORE_GOOD;
4cdcaeb68b54 Collapse most of the probing functions into one generic probe, as they only
Matti Hamalainen <ccr@tnsp.org>
parents: 510
diff changeset
665 }
4cdcaeb68b54 Collapse most of the probing functions into one generic probe, as they only
Matti Hamalainen <ccr@tnsp.org>
parents: 510
diff changeset
666 else
1134
d0898867ec4c Various fixes for issues reported by clang static analyzer.
Matti Hamalainen <ccr@tnsp.org>
parents: 958
diff changeset
667 if (fmt->probe != NULL)
511
4cdcaeb68b54 Collapse most of the probing functions into one generic probe, as they only
Matti Hamalainen <ccr@tnsp.org>
parents: 510
diff changeset
668 score = fmt->probe(buf, len, fmt);
4cdcaeb68b54 Collapse most of the probing functions into one generic probe, as they only
Matti Hamalainen <ccr@tnsp.org>
parents: 510
diff changeset
669
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
670 if (score > scoreMax)
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
671 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
672 scoreMax = score;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
673 scoreIndex = i;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
674 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
675 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
676
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
677 if (scoreIndex >= 0)
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
678 {
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
679 *pfmt = &dmC64ImageFormats[scoreIndex];
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
680 return scoreMax;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
681 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
682 else
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
683 return DM_PROBE_SCORE_FALSE;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
684 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
685
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
686
1537
776aa43b2c57 Tiny improvement in MC->FLI upconversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 1534
diff changeset
687 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
688 {
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
689 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
690 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
691 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
692 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
693 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
694 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
695 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
696 switch (op->subject)
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
697 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
698 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
699 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
700 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
701 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
702 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
703 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
704 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
705 "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
706 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
707 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
708 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
709
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
710 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
711 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
712 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
713 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
714 "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
715 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
716 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
717 break;
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
718 }
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
719 break;
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
720
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
721 // Just list the allowed ops here
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_DEC_FUNC:
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_ENC_FUNC:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
724 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
725 case DO_LAST:
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
726 break;
510
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
727
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
728 default:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
729 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
730 "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
731 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
732 break;
510
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
733 }
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
734
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
735 return DMERR_OK;
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
736 }
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
737
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
738
1537
776aa43b2c57 Tiny improvement in MC->FLI upconversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 1534
diff changeset
739 BOOL dmC64GetOpSize(const DMC64EncDecOp *op, const DMC64ImageFormat *fmt, size_t *size)
927
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
740 {
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
741 switch (op->subject)
927
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
742 {
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
743 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
744 case DS_COLOR_RAM:
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
745 *size = fmt->chHeight * fmt->chWidth;
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
746 break;
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
747
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
748 case DS_BITMAP_RAM:
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
749 *size = fmt->chHeight * fmt->chWidth * 8;
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
750 break;
927
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
751
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
752 case DS_CHAR_DATA:
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
753 *size = C64_MAX_CHARS * C64_CHR_SIZE;
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
754 break;
927
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
755
1725
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
756 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
757 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
758 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
759 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
760 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
761 case DS_D024:
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
762 *size = 1;
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
763 break;
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
764
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
765 default:
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
766 // Default to size of 0
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
767 *size = 0;
40a5ba0b3838 Return size of subject in dmC64GetOpSize() despite what the operator type is.
Matti Hamalainen <ccr@tnsp.org>
parents: 1722
diff changeset
768 break;
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
769 }
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
770
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
771 // If the operator specified size is larger, use it.
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
772 if (op->size > *size)
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
773 *size = op->size;
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
774
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
775 return TRUE;
927
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
776 }
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
777
db495f421242 Change dmC64DefaultSizes[] array into a function instead.
Matti Hamalainen <ccr@tnsp.org>
parents: 925
diff changeset
778
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
779 void dmC64GetOpMemBlockAndName(const DMC64Image *img, const int subject, const int bank, const DMC64MemBlock **blk, char **blkname)
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
780 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
781 switch (subject)
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
782 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
783 case DS_COLOR_RAM : *blk = &img->color[bank]; *blkname = "Color RAM"; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
784 case DS_SCREEN_RAM : *blk = &img->screen[bank]; *blkname = "Screen RAM"; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
785 case DS_BITMAP_RAM : *blk = &img->bitmap[bank]; *blkname = "Bitmap RAM"; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
786 case DS_CHAR_DATA : *blk = &img->charData[bank]; *blkname = "Character data"; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
787 case DS_EXTRA_DATA : *blk = &img->extraData[bank]; *blkname = "Extra data"; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
788 default: *blk = NULL; *blkname = NULL; break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
789 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
790 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
791
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
792
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
793 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
794 {
1460
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
795 int res = DMERR_OK;
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
796
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
797 if (buf == NULL || buf->data == NULL || img == NULL || fmt == NULL)
513
486067f39bc1 Add sanity checking.
Matti Hamalainen <ccr@tnsp.org>
parents: 511
diff changeset
798 return DMERR_NULLPTR;
486067f39bc1 Add sanity checking.
Matti Hamalainen <ccr@tnsp.org>
parents: 511
diff changeset
799
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
800 // Clear the image structure, set basics
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
801 img->type = fmt->type;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
802 img->width = fmt->width;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
803 img->height = fmt->height;
1482
df6dacb48970 Rename some struct members, and sanitize handling of DMC64Image allocation more.
Matti Hamalainen <ccr@tnsp.org>
parents: 1478
diff changeset
804 img->chWidth = fmt->chWidth;
df6dacb48970 Rename some struct members, and sanitize handling of DMC64Image allocation more.
Matti Hamalainen <ccr@tnsp.org>
parents: 1478
diff changeset
805 img->chHeight = fmt->chHeight;
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
806 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
807
518
63849f85db57 Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 517
diff changeset
808 // Perform decoding
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
809 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
810 {
1591
3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1588
diff changeset
811 const DMC64EncDecOp *op = fmtGetEncDecOp(fmt, i);
410
e4b2f689aff6 Stdint -> SDL types conversion.
Matti Hamalainen <ccr@tnsp.org>
parents: 407
diff changeset
812 const Uint8 *src;
1600
e28e67358ff6 Fix some uninitialized variable warnings.
Matti Hamalainen <ccr@tnsp.org>
parents: 1597
diff changeset
813 DMC64MemBlock *blk = NULL;
e28e67358ff6 Fix some uninitialized variable warnings.
Matti Hamalainen <ccr@tnsp.org>
parents: 1597
diff changeset
814 char *blkname = NULL;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
815 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
816 Uint8 value;
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
817
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
818 // 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
819 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
820 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
821
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
822 // Check operation validity
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
823 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
824 return res;
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
825
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
826 // Check size
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
827 if (!dmC64GetOpSize(op, fmt, &size))
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
828 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
829 return dmError(DMERR_INVALID_DATA,
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
830 "Decode op SIZE out of bounds, op #%d type=%d, subj=%d, offs=%d ($%04x), "
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
831 "bank=%d, size=%d ($%04x) vs. allocated %d ($%04x)\n",
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
832 i, op->type, op->subject, op->offs, op->offs, op->bank, size, size, op->size, op->size);
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
833 }
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
834
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
835 // Is the operation inside the bounds?
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
836 if (op->offs + size > buf->len + 1)
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
837 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
838 return dmError(DMERR_INVALID_DATA,
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
839 "Decode DATA out of bounds, op #%d type=%d, subj=%d, offs=%d ($%04x), "
510
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
840 "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
841 i, op->type, op->subject, op->offs, op->offs, op->bank,
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
842 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
843 }
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
844
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
845 src = buf->data + op->offs;
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
846
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
847 // 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
848 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
849 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
850 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
851 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
852 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
853 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
854 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
855 switch (op->subject)
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
856 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
857 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
858 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
859 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
860 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
861 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
862 // XXX BZZZT .. a nasty cast here --v
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
863 dmC64GetOpMemBlockAndName(img, op->subject, op->bank, (const DMC64MemBlock **) &blk, &blkname);
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
864 if ((dmC64MemBlockAlloc(blk, size)) != DMERR_OK)
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
865 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
866 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
867 "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
868 "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
869 blkname, 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
870 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
871 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
872 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
873 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
874 memcpy(blk->data, src, size);
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
875 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
876
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
877 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
878 memset(blk->data, *src, size);
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
879 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
880
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
881 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
882 memset(blk->data, op->offs, size);
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
883 break;
1727
8eb5ff34864a Improve error messages in the RLE decoder.
Matti Hamalainen <ccr@tnsp.org>
parents: 1726
diff changeset
884
1721
c9a6f1dae756 Add one default case error handler.
Matti Hamalainen <ccr@tnsp.org>
parents: 1720
diff changeset
885 default:
c9a6f1dae756 Add one default case error handler.
Matti Hamalainen <ccr@tnsp.org>
parents: 1720
diff changeset
886 return dmError(DMERR_INTERNAL,
c9a6f1dae756 Add one default case error handler.
Matti Hamalainen <ccr@tnsp.org>
parents: 1720
diff changeset
887 "Unhandled op type %d in "
c9a6f1dae756 Add one default case error handler.
Matti Hamalainen <ccr@tnsp.org>
parents: 1720
diff changeset
888 "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
889 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
890 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
891 break;
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
892
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
893 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
894 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
895 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
896 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
897 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
898 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
899 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
900 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
901 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
902 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
903 value = *src;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
904 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
905
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_OP:
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
907 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
908 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
909
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
910 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
911 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
912 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
913
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
914 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
915 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
916 break;
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
917 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
918 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
919 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
920 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
921 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
922 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
923 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
924 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
925 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
926 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
927 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
928
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
929 default:
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
930 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
931 "Unhandled subject %d in "
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
932 "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
933 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
934 }
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
935 break;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
936
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
937 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
938 switch (op->subject)
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
939 {
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
940 case D64_CHCFG_SCREEN:
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
941 break;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
942
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
943 case D64_CHCFG_LINEAR:
1672
09adf5328510 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1668
diff changeset
944 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
945 {
1482
df6dacb48970 Rename some struct members, and sanitize handling of DMC64Image allocation more.
Matti Hamalainen <ccr@tnsp.org>
parents: 1478
diff changeset
946 for (int offs = 0; offs < fmt->chHeight * fmt->chWidth; offs++)
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
947 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
948 }
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
949 break;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
950
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
951 default:
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
952 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
953 "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
954 "op #%d, bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
955 op->subject, i, op->bank, size, size, buf->len, buf->len);
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
956 }
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
957 break;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
958
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
959 case DO_DEC_FUNC:
1482
df6dacb48970 Rename some struct members, and sanitize handling of DMC64Image allocation more.
Matti Hamalainen <ccr@tnsp.org>
parents: 1478
diff changeset
960 if (op->decFunction == NULL)
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
961 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
962 return dmError(DMERR_INTERNAL,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
963 "Decode op is a function, but function ptr is NULL: "
510
43ea59887c69 Start work on making C64 formats encoding possible by changing DMDecodeOps
Matti Hamalainen <ccr@tnsp.org>
parents: 508
diff changeset
964 "op #%d, offs=%d ($%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
965 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
966 }
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
967 if (!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
968 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
969 return dmError(DMERR_INTERNAL,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
970 "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
971 "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
972 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
973 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
974 break;
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
975 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
976 }
916
3985f596ece5 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 915
diff changeset
977
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
978 // Sanity check certain things ..
948d6fda722d Add sanity check for interlaced formats: check that the interlace type flags are set.
Matti Hamalainen <ccr@tnsp.org>
parents: 1645
diff changeset
979 if ((fmt->type & D64_FMT_ILACE) && img->laceType == D64_ILACE_NONE)
948d6fda722d Add sanity check for interlaced formats: check that the interlace type flags are set.
Matti Hamalainen <ccr@tnsp.org>
parents: 1645
diff changeset
980 {
948d6fda722d Add sanity check for interlaced formats: check that the interlace type flags are set.
Matti Hamalainen <ccr@tnsp.org>
parents: 1645
diff changeset
981 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
982 "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
983 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
984 }
948d6fda722d Add sanity check for interlaced formats: check that the interlace type flags are set.
Matti Hamalainen <ccr@tnsp.org>
parents: 1645
diff changeset
985
508
1ed5025c2538 Return DMLIB error values instead of arbitrary 0/negatives.
Matti Hamalainen <ccr@tnsp.org>
parents: 507
diff changeset
986 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
987 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
988
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
989
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
990 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
991 {
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
992 int res = DMERR_OK;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
993
1469
0046b4e1b35f Various fixes in bmp encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1467
diff changeset
994 if (img == NULL || fmt == NULL)
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
995 return DMERR_NULLPTR;
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
996
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
997 // Allocate the output buffer if requested
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
998 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
999 {
1472
b9d3577d8290 Improve error handling and checking.
Matti Hamalainen <ccr@tnsp.org>
parents: 1471
diff changeset
1000 dmError(res,
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1001 "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
1002 fmt->size);
1447
de5f7e31a8bf Rename labels.
Matti Hamalainen <ccr@tnsp.org>
parents: 1443
diff changeset
1003 goto err;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1004 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1005
1697
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1006 if (buf->backwards)
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1007 {
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1008 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
1009 "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
1010 goto err;
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1011 }
1506
4fd4e7a00db4 Fix handling of predefined DMGrowBuffer in dmC64EncodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents: 1505
diff changeset
1012
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1013 // Perform encoding
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
1014 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
1015 {
1591
3cc7b2aadda3 Add inline helper function fmtGetEncDecOp() and use it.
Matti Hamalainen <ccr@tnsp.org>
parents: 1588
diff changeset
1016 const DMC64EncDecOp *op = fmtGetEncDecOp(fmt, i);
1364
0d61895e1763 Cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents: 1362
diff changeset
1017 size_t size, chksize;
1600
e28e67358ff6 Fix some uninitialized variable warnings.
Matti Hamalainen <ccr@tnsp.org>
parents: 1597
diff changeset
1018 const DMC64MemBlock *blk = NULL;
e28e67358ff6 Fix some uninitialized variable warnings.
Matti Hamalainen <ccr@tnsp.org>
parents: 1597
diff changeset
1019 char *blkname = NULL;
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1020 Uint8 value;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1021
1365
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
1022 // 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
1023 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
1024 break;
60d7240e1a63 Remove hardcoded encoding/decoding operator counts from the structures, use
Matti Hamalainen <ccr@tnsp.org>
parents: 1364
diff changeset
1025
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
1026 // Check operation validity
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
1027 if ((res = dmC64SanityCheckEncDecOp(i, op, img)) != DMERR_OK)
1447
de5f7e31a8bf Rename labels.
Matti Hamalainen <ccr@tnsp.org>
parents: 1443
diff changeset
1028 goto err;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1029
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
1030 // Check size
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1031 if (!dmC64GetOpSize(op, fmt, &size))
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1032 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1033 res = dmError(DMERR_INVALID_DATA,
1511
62ede0de6ab0 Fix an error message, should be "Encode", not "Decode".
Matti Hamalainen <ccr@tnsp.org>
parents: 1510
diff changeset
1034 "Encode op SIZE out of bounds, op #%d type=%d, offs=%d ($%04x), "
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1035 "bank=%d, size=%d ($%04x) vs. allocated %d ($%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->type, op->offs, op->offs, op->bank, size, size, buf->size, buf->size);
1447
de5f7e31a8bf Rename labels.
Matti Hamalainen <ccr@tnsp.org>
parents: 1443
diff changeset
1037 goto err;
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1038 }
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1039
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
1040 // Do we need to reallocate some more space?
1697
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1041 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
1042 if (!dmGrowBufCheckGrow(buf, chksize))
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1043 {
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
1044 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
1045 "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
1046 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
1047 goto err;
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1048 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1049
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
1050 // Perform operation
1697
1036b0dcccb5 Refactor DMGrowBuf so that there can be buffers that grow "backwards".
Matti Hamalainen <ccr@tnsp.org>
parents: 1672
diff changeset
1051 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
1052 switch (op->type)
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1053 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1054 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
1055 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
1056 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
1057 switch (op->subject)
1373
fc5ee5b4b0e9 Improve handling of extra data.
Matti Hamalainen <ccr@tnsp.org>
parents: 1372
diff changeset
1058 {
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1059 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
1060 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
1061 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
1062 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
1063 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
1064 dmC64GetOpMemBlockAndName(img, op->subject, op->bank, &blk, &blkname);
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1065 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
1066 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1067 case DO_COPY:
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1068 if (blk->data == NULL)
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1069 {
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1070 res = dmError(DMERR_NULLPTR,
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1071 "'%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
1072 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1073 blkname, i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1074 goto err;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1075 }
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1076 if (size > blk->size)
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1077 {
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1078 res = dmError(DMERR_INTERNAL,
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1079 "'%s' size mismatch %d <> %d in "
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1080 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1081 blkname, i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1082 goto err;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1083 }
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1084 memcpy(dst, blk->data, size);
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1085 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1086
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1087 case DO_SET_MEM:
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1088 // This operation makes no sense, so do nothing
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1089 break;
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1090
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1091 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
1092 memset(dst, op->offs, size);
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1093 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1094 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1095 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1096
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1097 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
1098 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
1099 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
1100 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
1101 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
1102 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
1103 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
1104 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1105 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
1106 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
1107 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
1108 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
1109 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
1110 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
1111 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1112 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
1113 {
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1114 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
1115 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
1116 *dst = value;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1117 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1118
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
1119 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
1120 *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
1121 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
1122
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
1123 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
1124 *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
1125 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
1126
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1127 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
1128 // 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
1129 break;
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1130 }
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1131 break;
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1132
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1133 default:
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1134 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
1135 "Unhandled subject %d in "
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1136 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\n",
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1137 op->subject, i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len);
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1138 }
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1139 break;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1140
1668
1741717b1ae5 Big overhaul to the enc/dec operator system to be more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1660
diff changeset
1141 case DO_ENC_FUNC:
1482
df6dacb48970 Rename some struct members, and sanitize handling of DMC64Image allocation more.
Matti Hamalainen <ccr@tnsp.org>
parents: 1478
diff changeset
1142 if (op->encFunction == NULL)
904
d3cd9f2a8ef1 Some dummy code for encfunctions.
Matti Hamalainen <ccr@tnsp.org>
parents: 903
diff changeset
1143 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1144 res = dmError(DMERR_INTERNAL,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1145 "Encode op is a function, but function ptr is NULL: "
904
d3cd9f2a8ef1 Some dummy code for encfunctions.
Matti Hamalainen <ccr@tnsp.org>
parents: 903
diff changeset
1146 "op #%d, offs=%d ($%04x), bank=%d, size=%d ($%04x) @ %d ($%04x)\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
1147 i, op->offs, op->offs, op->bank, size, size, buf->len, buf->len);
1447
de5f7e31a8bf Rename labels.
Matti Hamalainen <ccr@tnsp.org>
parents: 1443
diff changeset
1148 goto err;
904
d3cd9f2a8ef1 Some dummy code for encfunctions.
Matti Hamalainen <ccr@tnsp.org>
parents: 903
diff changeset
1149 }
1486
bc13af8954d7 Add DMC64ImageFormat to C64 bitmap format encoding/decoding ops function parameters.
Matti Hamalainen <ccr@tnsp.org>
parents: 1485
diff changeset
1150 if (!op->encFunction(op, buf, img, fmt))
904
d3cd9f2a8ef1 Some dummy code for encfunctions.
Matti Hamalainen <ccr@tnsp.org>
parents: 903
diff changeset
1151 {
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1152 res = dmError(DMERR_INTERNAL,
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 946
diff changeset
1153 "Encode op custom function failed: op #%d, "
904
d3cd9f2a8ef1 Some dummy code for encfunctions.
Matti Hamalainen <ccr@tnsp.org>
parents: 903
diff changeset
1154 "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
1155 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
1156 goto err;
904
d3cd9f2a8ef1 Some dummy code for encfunctions.
Matti Hamalainen <ccr@tnsp.org>
parents: 903
diff changeset
1157 }
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1158 break;
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1159 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1160 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1161
1448
50402c225ef4 Do not insert load address to the buffer beginning in dmC64EncodeGenericBMP().
Matti Hamalainen <ccr@tnsp.org>
parents: 1447
diff changeset
1162 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
1163
1447
de5f7e31a8bf Rename labels.
Matti Hamalainen <ccr@tnsp.org>
parents: 1443
diff changeset
1164 err:
532
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1165 return res;
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1166 }
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1167
128a50feff07 Implement initial generic bitmap "encoding" function, that constructs
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
1168
530
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1169 // 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
1170 // a indexed/paletted bitmap image.
1375
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1171 int dmC64ConvertGenericBMP2Image(DMImage *dst, const DMC64Image *src, 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
1172 {
1375
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1173 DMC64GetPixelFunc getPixel;
530
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1174
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1175 // Sanity check arguments
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1176 if (dst == NULL || src == NULL)
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1177 return DMERR_NULLPTR;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1178
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1179 if (dst->width < src->width || dst->height < src->height)
1460
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1180 {
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1181 return dmError(DMERR_INVALID_DATA,
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1182 "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
1183 src->width, src->height, dst->width, dst->height);
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1184 }
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1185
1167
848a88ce7a57 Use dmMemset().
Matti Hamalainen <ccr@tnsp.org>
parents: 1134
diff changeset
1186 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
1187
1375
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1188 // Check pixel getter function
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1189 if (fmt->getPixel != NULL)
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1190 getPixel = fmt->getPixel;
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1191 else
1376
67ae449cf9e1 More work on making various FLI etc. format decoding more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1375
diff changeset
1192 getPixel = (fmt->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
1193
1362
7bc67ba68904 Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents: 1361
diff changeset
1194 // 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
1195 int rwidth = src->width;
7bc67ba68904 Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents: 1361
diff changeset
1196 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
1197 rwidth /= 2;
7bc67ba68904 Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents: 1361
diff changeset
1198
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1199 // Perform conversion
1411
a9afb2ad39cb Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1396
diff changeset
1200 Uint8 *dp = dst->data;
a9afb2ad39cb Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 1396
diff changeset
1201 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
1202 {
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1203 Uint8 *d = dp;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1204 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
1205 const int scroffsy = y * src->chWidth;
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1206 int xc;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1207
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1208 if (src->type & D64_FMT_CHAR)
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1209 {
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1210 // Charmode conversion
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1211 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
1212 // Hi-res charmap
1362
7bc67ba68904 Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents: 1361
diff changeset
1213 for (xc = 0; xc < rwidth; xc++)
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1214 {
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1215 const int x = xc / 8;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1216 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
1217 const int chr = src->screen[0].data[scroffs];
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1218 const int v = 7 - (xc & 7);
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1219
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
1220 if ((src->charData[0].data[chr * C64_CHR_SIZE + yb] >> v) & 1)
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
1221 *d++ = src->color[0].data[scroffs];
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1222 else
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1223 *d++ = src->bgcolor;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1224 }
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1225 else
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1226 // Multicolor variants
1362
7bc67ba68904 Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents: 1361
diff changeset
1227 for (xc = 0; xc < rwidth; xc++)
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1228 {
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1229 const int x = xc / 4;
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1230 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
1231 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
1232 const int col = src->color[0].data[scroffs] & 15;
925
23b14d62bf67 Cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 924
diff changeset
1233
944
c62bb4028cf0 Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents: 943
diff changeset
1234 if (col & 8)
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1235 {
944
c62bb4028cf0 Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents: 943
diff changeset
1236 const int v = 6 - ((xc * 2) & 6);
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
1237 switch ((src->charData[0].data[chr * C64_CHR_SIZE + yb] >> v) & 3)
944
c62bb4028cf0 Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents: 943
diff changeset
1238 {
c62bb4028cf0 Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents: 943
diff changeset
1239 case 0: *d++ = src->bgcolor; break;
c62bb4028cf0 Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents: 943
diff changeset
1240 case 1: *d++ = src->d022; break;
c62bb4028cf0 Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents: 943
diff changeset
1241 case 2: *d++ = src->d023; break;
c62bb4028cf0 Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents: 943
diff changeset
1242 case 3: *d++ = col;
c62bb4028cf0 Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents: 943
diff changeset
1243 }
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1244 }
944
c62bb4028cf0 Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents: 943
diff changeset
1245 else
c62bb4028cf0 Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents: 943
diff changeset
1246 {
c62bb4028cf0 Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents: 943
diff changeset
1247 const int v = 7 - (xc & 7);
1588
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
1248 if ((src->charData[0].data[chr * C64_CHR_SIZE + yb] >> v) & 1)
ca087c0cc9c4 Refactor the c64 format memory handling a bit for more flexibility.
Matti Hamalainen <ccr@tnsp.org>
parents: 1586
diff changeset
1249 *d++ = 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
1250 else
c62bb4028cf0 Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents: 943
diff changeset
1251 *d++ = src->bgcolor;
c62bb4028cf0 Implement multicolor / standard switching support based on color ram value's
Matti Hamalainen <ccr@tnsp.org>
parents: 943
diff changeset
1252 }
917
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1253 }
df3a74f230d9 Initial implementation of charmode support in lib64gfx.
Matti Hamalainen <ccr@tnsp.org>
parents: 916
diff changeset
1254 }
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1255 else
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1256 {
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1257 // Perform generic BITMAP conversion
1482
df6dacb48970 Rename some struct members, and sanitize handling of DMC64Image allocation more.
Matti Hamalainen <ccr@tnsp.org>
parents: 1478
diff changeset
1258 const int bmoffsy = y * src->chWidth * 8 + yb;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1259
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1260 if ((src->type & D64_FMT_MC) == D64_FMT_HIRES)
811
aebc2f8b2c2d Add some comments.
Matti Hamalainen <ccr@tnsp.org>
parents: 810
diff changeset
1261 // Hi-res bitmap
1362
7bc67ba68904 Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents: 1361
diff changeset
1262 for (xc = 0; xc < rwidth; xc++)
530
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1263 {
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1264 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
1265 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
1266 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
1267 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
1268
1387
14d79e4d82cf Oops, 100L. Had forgotten to change singlecolor mode handling pixel getter
Matti Hamalainen <ccr@tnsp.org>
parents: 1385
diff changeset
1269 *d++ = getPixel(src, bmoffs, scroffs, vshift, 0, yc);
530
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1270 }
931
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1271 else
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1272 // Multicolor bitmap and variants
1362
7bc67ba68904 Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents: 1361
diff changeset
1273 for (xc = 0; xc < rwidth; xc++)
529
1bce06b5026f Combine conversion of interlaced and normal multicolor images to one function.
Matti Hamalainen <ccr@tnsp.org>
parents: 528
diff changeset
1274 {
901
f532262f90b1 Actually fix commit 16aa5955dfb5.
Matti Hamalainen <ccr@tnsp.org>
parents: 857
diff changeset
1275 const int x = xc / 4;
f532262f90b1 Actually fix commit 16aa5955dfb5.
Matti Hamalainen <ccr@tnsp.org>
parents: 857
diff changeset
1276 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
1277 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
1278 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
1279
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1280 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
1281 {
1362
7bc67ba68904 Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents: 1361
diff changeset
1282 switch (src->laceType)
7bc67ba68904 Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents: 1361
diff changeset
1283 {
7bc67ba68904 Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents: 1361
diff changeset
1284 case D64_ILACE_RES:
1376
67ae449cf9e1 More work on making various FLI etc. format decoding more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1375
diff changeset
1285 *d++ = getPixel(src, bmoffs, scroffs, vshift, 0, yc);
67ae449cf9e1 More work on making various FLI etc. format decoding more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1375
diff changeset
1286 *d++ = getPixel(src, bmoffs, scroffs, vshift, 1, yc);
1362
7bc67ba68904 Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents: 1361
diff changeset
1287 break;
1366
d4387509a363 Return DMERR_NOT_SUPPORTED for decoding color-interlaced images, for now
Matti Hamalainen <ccr@tnsp.org>
parents: 1365
diff changeset
1288
d4387509a363 Return DMERR_NOT_SUPPORTED for decoding color-interlaced images, for now
Matti Hamalainen <ccr@tnsp.org>
parents: 1365
diff changeset
1289 default:
d4387509a363 Return DMERR_NOT_SUPPORTED for decoding color-interlaced images, for now
Matti Hamalainen <ccr@tnsp.org>
parents: 1365
diff changeset
1290 return DMERR_NOT_SUPPORTED;
1362
7bc67ba68904 Better handling of resolution interlaced pictures.
Matti Hamalainen <ccr@tnsp.org>
parents: 1361
diff changeset
1291 }
530
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1292 }
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1293 else
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1294 {
1376
67ae449cf9e1 More work on making various FLI etc. format decoding more flexible.
Matti Hamalainen <ccr@tnsp.org>
parents: 1375
diff changeset
1295 *d++ = getPixel(src, bmoffs, scroffs, vshift, 0, yc);
530
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1296 }
529
1bce06b5026f Combine conversion of interlaced and normal multicolor images to one function.
Matti Hamalainen <ccr@tnsp.org>
parents: 528
diff changeset
1297 }
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1298 }
530
5b37a2e427b7 Greatly simplify and also improve the multicolor/hires/lace bitmap->image
Matti Hamalainen <ccr@tnsp.org>
parents: 529
diff changeset
1299 dp += dst->pitch;
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1300 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1301
508
1ed5025c2538 Return DMLIB error values instead of arbitrary 0/negatives.
Matti Hamalainen <ccr@tnsp.org>
parents: 507
diff changeset
1302 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
1303 }
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1304
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1305
940
ff18d2511843 Remove the doubleMC madness completely. Should be replaced with x/y aspect
Matti Hamalainen <ccr@tnsp.org>
parents: 939
diff changeset
1306 int dmC64ConvertBMP2Image(DMImage **pdst, const DMC64Image *src, const DMC64ImageFormat *fmt)
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1307 {
940
ff18d2511843 Remove the doubleMC madness completely. Should be replaced with x/y aspect
Matti Hamalainen <ccr@tnsp.org>
parents: 939
diff changeset
1308 int res;
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1309 DMImage *dst;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1310
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1311 if (pdst == NULL || src == NULL)
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1312 return DMERR_NULLPTR;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1313
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1314 // Allocate image structure
1289
Matti Hamalainen <ccr@tnsp.org>
parents: 1235
diff changeset
1315 if ((*pdst = dst = dmImageAlloc(src->width, src->height, DM_IFMT_PALETTE, -1)) == NULL)
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1316 return DMERR_MALLOC;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1317
1426
4c7b456d7f0b Rename global dmC64Palette to dmDefaultC64Palette.
Matti Hamalainen <ccr@tnsp.org>
parents: 1425
diff changeset
1318 // Set partial palette information
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1319 dst->ncolors = C64_NCOLORS;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1320 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
1321 dst->pal = dmDefaultC64Palette;
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1322
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1323 // Convert
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1324 if (fmt->convertFrom != NULL)
1375
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1325 res = fmt->convertFrom(dst, src, fmt);
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1326 else
1375
f5368c13a872 Implement more flexible generic format decoding by separating the pixel
Matti Hamalainen <ccr@tnsp.org>
parents: 1373
diff changeset
1327 res = dmC64ConvertGenericBMP2Image(dst, src, fmt);
556
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1328
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1329 return res;
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1330 }
44d1e0d4acf3 Improve DMC64Image -> DMImage conversion facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 548
diff changeset
1331
407
59244a7ae37f Move c64 utilities to the engine lib, as we benefit from a common framework.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1332
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1333 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
1334 const size_t probeOffs, const size_t loadOffs,
516
6f141f760c54 Constify.
Matti Hamalainen <ccr@tnsp.org>
parents: 515
diff changeset
1335 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
1336 {
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1337 DMGrowBuf tmp;
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1338
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1339 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
1340 return DMERR_NULLPTR;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1341
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1342 // Check for forced format
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1343 if (forced != NULL)
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1344 *fmt = forced;
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1345 else
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1346 {
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1347 // 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
1348 if (probeOffs >= buf->len)
1460
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1349 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
1350
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1351 dmGrowBufCreateFromOffs(&tmp, buf, probeOffs);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1352 if (dmC64ProbeBMP(tmp.data, tmp.len, fmt) == DM_PROBE_SCORE_FALSE)
1460
361cad3b8445 Improve error handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 1457
diff changeset
1353 return DMERR_NOT_SUPPORTED;
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1354 }
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1355
1710
1f0fac3af8e3 Use buf->len instead of tmp.len, as it might not be initialized.
Matti Hamalainen <ccr@tnsp.org>
parents: 1707
diff changeset
1356 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
1357 return DMERR_INVALID_ARGS;
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1358
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1359 if (*fmt == NULL)
1548
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1360 return DMERR_NOT_SUPPORTED;
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1361
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1362 // Format supports only reading?
1548
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1363 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
1364 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
1365
2270d7f3af77 Refactor the DMC64Image handling to be more dynamic, and start
Matti Hamalainen <ccr@tnsp.org>
parents: 927
diff changeset
1366 // Allocate memory
1378
c465860e44ed Make c64 image bank allocation dynamic.
Matti Hamalainen <ccr@tnsp.org>
parents: 1377
diff changeset
1367 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
1368 return DMERR_MALLOC;
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1369
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1370 dmGrowBufCreateFromOffs(&tmp, buf, loadOffs);
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1371
419
936bc27a79d6 Modularize some functions to lib64gfx, fix bitmap -> image conversion,
Matti Hamalainen <ccr@tnsp.org>
parents: 410
diff changeset
1372 // 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
1373 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
1374 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
1375 else
1707
a0986cfd6f9d More consistently use DMGrowBuf in the lib64gfx APIs, and implement
Matti Hamalainen <ccr@tnsp.org>
parents: 1697
diff changeset
1376 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
1377 }
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1378
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1379
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1380 // Convert a generic bitmap image to DMC64Image
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1381 int dmC64ConvertGenericImage2BMP(DMC64Image *dst, const DMImage *src, 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
1382 {
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1383 if (dst == NULL || src == NULL || 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
1384 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
1385
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1386 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
1387 }
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1388
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1389
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1390 int dmC64ConvertImage2BMP(DMC64Image **pdst, const DMImage *src, 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
1391 {
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1392 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
1393 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
1394
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1395 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
1396 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
1397
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1398 // 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
1399 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
1400 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
1401
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1402 // Convert
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1403 if (fmt->convertTo != NULL)
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1404 res = fmt->convertTo(dst, src, fmt);
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1405 else
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1406 res = dmC64ConvertGenericImage2BMP(dst, src, fmt);
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1407
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1408 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
1409 }
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1410
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1411
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1412 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
1413 {
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1414 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
1415
1580
72f809e6eb3c Add NULL check for growbuf pointer.
Matti Hamalainen <ccr@tnsp.org>
parents: 1573
diff changeset
1416 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
1417 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
1418
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_WR) == 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;
20cd589366d7 Check C64 bitmap format flags in encode/decode functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 1542
diff changeset
1421
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1422 // Allocate a buffer
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1423 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
1424 goto err;
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1425
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1426 // Add the loading address
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1427 if (!dmGrowBufPutU8(buf, DM_GET_ADDR_LO(fmt->addr)) ||
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1428 !dmGrowBufPutU8(buf, DM_GET_ADDR_HI(fmt->addr)))
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1429 goto err;
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1430
1467
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1431 // 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
1432 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
1433 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
1434 else
1499
32640e1934d5 Simplify some encoding bits.
Matti Hamalainen <ccr@tnsp.org>
parents: 1498
diff changeset
1435 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
1436
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1437 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
1438 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
1439
1469
0046b4e1b35f Various fixes in bmp encoding.
Matti Hamalainen <ccr@tnsp.org>
parents: 1467
diff changeset
1440 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
1441
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1442 err:
32203356c652 Add some new functions that are mostly just stubs and not working tho.
Matti Hamalainen <ccr@tnsp.org>
parents: 1466
diff changeset
1443 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
1444 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
1445 }