80 lines
1.4 KiB
C
80 lines
1.4 KiB
C
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#include <u.h>
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#include <libc.h>
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#include <draw.h>
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#include <memdraw.h>
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/*
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struct Memcmap
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{
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uchar cmap2rgb[3*256];
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uchar rgb2cmap[16*16*16];
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};
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*/
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static Memcmap*
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mkcmap(void)
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{
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static Memcmap def;
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int i, rgb, r, g, b;
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for(i=0; i<256; i++){
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rgb = cmap2rgb(i);
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r = (rgb>>16)&0xff;
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g = (rgb>>8)&0xff;
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b = rgb&0xff;
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def.cmap2rgb[3*i] = r;
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def.cmap2rgb[3*i+1] = g;
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def.cmap2rgb[3*i+2] = b;
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}
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for(r=0; r<16; r++)
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for(g=0; g<16; g++)
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for(b=0; b<16; b++)
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def.rgb2cmap[r*16*16+g*16+b] = rgb2cmap(r*0x11, g*0x11, b*0x11);
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return &def;
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}
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void
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main(int argc, char **argv)
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{
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Memcmap *c;
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int i, j, inferno;
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inferno = 0;
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ARGBEGIN{
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case 'i':
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inferno = 1;
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}ARGEND
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memimageinit();
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c = mkcmap();
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if(!inferno)
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print("#include <u.h>\n#include <libc.h>\n");
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else
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print("#include \"lib9.h\"\n");
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print("#include <draw.h>\n");
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print("#include <memdraw.h>\n\n");
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print("static Memcmap def = {\n");
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print("/* cmap2rgb */ {\n");
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for(i=0; i<sizeof(c->cmap2rgb); ){
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print("\t");
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for(j=0; j<16; j++, i++)
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print("0x%2.2ux,", c->cmap2rgb[i]);
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print("\n");
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}
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print("},\n");
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print("/* rgb2cmap */ {\n");
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for(i=0; i<sizeof(c->rgb2cmap);){
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print("\t");
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for(j=0; j<16; j++, i++)
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print("0x%2.2ux,", c->rgb2cmap[i]);
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print("\n");
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}
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print("}\n");
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print("};\n");
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print("Memcmap *memdefcmap = &def;\n");
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print("void _memmkcmap(void){}\n");
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exits(0);
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}
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