Subversion Repositories planix.SVN

#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);
}