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Added support for greyscale palette

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This commit is contained in:
alpine9000
2016-03-05 16:39:00 +11:00
parent c3cdfb0f33
commit f3be7251a1
5 changed files with 94 additions and 1 deletions
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tools/imagecon/imagecon.c
+19
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@@ -20,6 +20,7 @@ imagecon_config_t config = {
.outputPalette = 0,
.outputMask = 0,
.outputPaletteAsm = 0,
.outputPaletteGrey = 0,
.outputBitplanes = 0,
.outputCopperList = 0,
.quantize = 0,
@@ -40,6 +41,7 @@ usage()
" --output-copperlist\n"\
" --output-mask\n"\
" --output-palette-asm\n"\
" --output-grey-palette-asm\n"\
" --output-palette\n"\
" --use-palette <palette file>\n"\
" --verbose\n", config.argv[0]);
@@ -108,6 +110,7 @@ outputPalette(char* outFilename, imagecon_image_t* ic)
FILE* fp = 0;
FILE* paletteFP = 0;
FILE* paletteAsmFP = 0;
FILE* paletteGreyFP = 0;
if (config.outputCopperList) {
fp = openFileWrite("%s-copper-list.s", outFilename);
@@ -117,6 +120,11 @@ outputPalette(char* outFilename, imagecon_image_t* ic)
paletteFP = openFileWrite("%s.pal", outFilename);
}
if (config.outputPaletteGrey) {
paletteGreyFP = openFileWrite("%s-grey.s", outFilename);
fprintf(paletteGreyFP, "\tmovem.l d0-a6,-(sp)\n\tlea CUSTOM,a6\n");
}
if (config.outputPaletteAsm) {
paletteAsmFP = openFileWrite("%s-palette.s", outFilename);
fprintf(paletteAsmFP, "\tmovem.l d0-a6,-(sp)\n\tlea CUSTOM,a6\n");
@@ -136,6 +144,11 @@ outputPalette(char* outFilename, imagecon_image_t* ic)
if (paletteAsmFP) {
fprintf(paletteAsmFP, "\tlea COLOR%02d(a6),a0\n\tmove.w #$%03x,(a0)\n", i, ic->palette[i].r << 8 | ic->palette[i].g << 4 | ic->palette[i].b);
}
if (paletteGreyFP) {
unsigned grey = (ic->palette[i].r + ic->palette[i].g + ic->palette[i].b)/3;
fprintf(paletteGreyFP, "\tlea COLOR%02d(a6),a0\n\tmove.w #$%03x,(a0)\n", i, grey << 8 | grey << 4 | grey);
}
if (fp) {
fprintf(fp, "\tdc.w $%x,$%x\n", 0x180+(i*2), ic->palette[i].r << 8 | ic->palette[i].g << 4 | ic->palette[i].b);
}
@@ -145,6 +158,11 @@ outputPalette(char* outFilename, imagecon_image_t* ic)
fclose(paletteFP);
}
if (paletteGreyFP) {
fprintf(paletteGreyFP, "\tmovem.l (sp)+,d0-a6\n");
fclose(paletteGreyFP);
}
if (paletteAsmFP) {
fprintf(paletteAsmFP, "\tmovem.l (sp)+,d0-a6\n");
fclose(paletteFP);
@@ -478,6 +496,7 @@ main(int argc, char **argv)
{"output-bitplanes", no_argument, &config.outputBitplanes, 1},
{"output-palette", no_argument, &config.outputPalette, 1},
{"output-palette-asm", no_argument, &config.outputPaletteAsm, 1},
{"output-grey-palette-asm", no_argument, &config.outputPaletteGrey, 1},
{"output-mask", no_argument, &config.outputMask, 1},
{"use-palette", required_argument, 0, 'p'},
{"output", required_argument, 0, 'o'},