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rsc 2003-09-30 17:47:42 +00:00
parent ed7c8e8d02
commit 76193d7cb0
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src/libdraw/md-mkcmap.c Normal file
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#include <u.h>
#include <libc.h>
#include <draw.h>
#include <memdraw.h>
/*
struct Memcmap
{
uchar cmap2rgb[3*256];
uchar rgb2cmap[16*16*16];
};
*/
static Memcmap*
mkcmap(void)
{
static Memcmap def;
int i, rgb, r, g, b;
for(i=0; i<256; i++){
rgb = cmap2rgb(i);
r = (rgb>>16)&0xff;
g = (rgb>>8)&0xff;
b = rgb&0xff;
def.cmap2rgb[3*i] = r;
def.cmap2rgb[3*i+1] = g;
def.cmap2rgb[3*i+2] = b;
}
for(r=0; r<16; r++)
for(g=0; g<16; g++)
for(b=0; b<16; b++)
def.rgb2cmap[r*16*16+g*16+b] = rgb2cmap(r*0x11, g*0x11, b*0x11);
return &def;
}
void
main(int argc, char **argv)
{
Memcmap *c;
int i, j, inferno;
inferno = 0;
ARGBEGIN{
case 'i':
inferno = 1;
}ARGEND
memimageinit();
c = mkcmap();
if(!inferno)
print("#include <u.h>\n#include <libc.h>\n");
else
print("#include \"lib9.h\"\n");
print("#include <draw.h>\n");
print("#include <memdraw.h>\n\n");
print("static Memcmap def = {\n");
print("/* cmap2rgb */ {\n");
for(i=0; i<sizeof(c->cmap2rgb); ){
print("\t");
for(j=0; j<16; j++, i++)
print("0x%2.2ux,", c->cmap2rgb[i]);
print("\n");
}
print("},\n");
print("/* rgb2cmap */ {\n");
for(i=0; i<sizeof(c->rgb2cmap);){
print("\t");
for(j=0; j<16; j++, i++)
print("0x%2.2ux,", c->rgb2cmap[i]);
print("\n");
}
print("}\n");
print("};\n");
print("Memcmap *memdefcmap = &def;\n");
print("void _memmkcmap(void){}\n");
exits(0);
}