1 #include <u.h>
2 #include <libc.h>
3 #include <draw.h>
4 #include <memdraw.h>
5
6 /*
7 struct Memcmap
8 {
9 uchar cmap2rgb[3*256];
10 uchar rgb2cmap[16*16*16];
11 };
12 */
13
14 static Memcmap*
mkcmap(void)15 mkcmap(void)
16 {
17 static Memcmap def;
18
19 int i, rgb, r, g, b;
20
21 for(i=0; i<256; i++){
22 rgb = cmap2rgb(i);
23 r = (rgb>>16)&0xff;
24 g = (rgb>>8)&0xff;
25 b = rgb&0xff;
26 def.cmap2rgb[3*i] = r;
27 def.cmap2rgb[3*i+1] = g;
28 def.cmap2rgb[3*i+2] = b;
29 }
30
31 for(r=0; r<16; r++)
32 for(g=0; g<16; g++)
33 for(b=0; b<16; b++)
34 def.rgb2cmap[r*16*16+g*16+b] = rgb2cmap(r*0x11, g*0x11, b*0x11);
35 return &def;
36 }
37
38 void
main(int argc,char ** argv)39 main(int argc, char **argv)
40 {
41 Memcmap *c;
42 int i, j, inferno;
43
44 inferno = 0;
45 ARGBEGIN{
46 case 'i':
47 inferno = 1;
48 }ARGEND
49
50 memimageinit();
51 c = mkcmap();
52 if(!inferno)
53 print("#include <u.h>\n#include <libc.h>\n");
54 else
55 print("#include \"lib9.h\"\n");
56 print("#include <draw.h>\n");
57 print("#include <memdraw.h>\n\n");
58 print("static Memcmap def = {\n");
59 print("/* cmap2rgb */ {\n");
60 for(i=0; i<sizeof(c->cmap2rgb); ){
61 print("\t");
62 for(j=0; j<16; j++, i++)
63 print("0x%2.2ux,", c->cmap2rgb[i]);
64 print("\n");
65 }
66 print("},\n");
67 print("/* rgb2cmap */ {\n");
68 for(i=0; i<sizeof(c->rgb2cmap);){
69 print("\t");
70 for(j=0; j<16; j++, i++)
71 print("0x%2.2ux,", c->rgb2cmap[i]);
72 print("\n");
73 }
74 print("}\n");
75 print("};\n");
76 print("Memcmap *memdefcmap = &def;\n");
77 print("void _memmkcmap(void){}\n");
78 exits(0);
79 }
80