1 038e9089 2004-03-21 devnull /* Copyright (c) 2004 Russ Cox, see README for licence details */
 2 038e9089 2004-03-21 devnull #include <stdio.h>
 3 038e9089 2004-03-21 devnull #include <signal.h>
 4 038e9089 2004-03-21 devnull #include <X11/X.h>
 5 038e9089 2004-03-21 devnull #include <X11/Xlib.h>
 6 038e9089 2004-03-21 devnull #include <X11/Xutil.h>
 7 038e9089 2004-03-21 devnull #include "dat.h"
 8 038e9089 2004-03-21 devnull #include "fns.h"
 9 038e9089 2004-03-21 devnull 
10 038e9089 2004-03-21 devnull unsigned long
11 7934b1c6 2004-04-05 devnull colorpixel(Display *dpy, ScreenInfo *s, int depth, unsigned long rgb, unsigned long def)
12 038e9089 2004-03-21 devnull {
13 038e9089 2004-03-21 devnull 	int r, g, b;
14 038e9089 2004-03-21 devnull 
15 038e9089 2004-03-21 devnull 	r = rgb>>16;
16 038e9089 2004-03-21 devnull 	g = (rgb>>8)&0xFF;
17 038e9089 2004-03-21 devnull 	b = rgb&0xFF;
18 038e9089 2004-03-21 devnull 
19 038e9089 2004-03-21 devnull 	switch(depth){
20 038e9089 2004-03-21 devnull 	case 1:
21 038e9089 2004-03-21 devnull 	case 2:
22 038e9089 2004-03-21 devnull 	case 4:
23 038e9089 2004-03-21 devnull 	case 8:
24 038e9089 2004-03-21 devnull 	default:
25 038e9089 2004-03-21 devnull 		/* not going to waste color map entries */
26 1cb3fa80 2004-03-29 devnull 		return def;
27 038e9089 2004-03-21 devnull 	case 15:
28 038e9089 2004-03-21 devnull 		r >>= 3;
29 038e9089 2004-03-21 devnull 		g >>= 3;
30 038e9089 2004-03-21 devnull 		b >>= 3;
31 038e9089 2004-03-21 devnull 		return (r<<10) | (g<<5) | b;
32 038e9089 2004-03-21 devnull 	case 16:
33 038e9089 2004-03-21 devnull 		r >>= 3;
34 038e9089 2004-03-21 devnull 		g >>= 2;
35 038e9089 2004-03-21 devnull 		b >>= 3;
36 038e9089 2004-03-21 devnull 		return (r<<11) | (g<<5) | b;
37 038e9089 2004-03-21 devnull 	case 24:
38 038e9089 2004-03-21 devnull 	case 32:
39 7934b1c6 2004-04-05 devnull 		/* try to find byte order */
40 ac33a34a 2005-07-13 devnull 		if(s->vis->red_mask & 0xff)
41 7934b1c6 2004-04-05 devnull 			return (r) | (g<<8) | (b<<16); /* OK on Sun */
42 038e9089 2004-03-21 devnull 		return rgb;
43 038e9089 2004-03-21 devnull 	}
44 038e9089 2004-03-21 devnull }