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/* Copyright (c) 2004 Russ Cox, see README for licence details */
#include <stdio.h>
#include <signal.h>
#include <X11/X.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include "dat.h"
#include "fns.h"
unsigned long
colorpixel(Display *dpy, ScreenInfo *s, int depth, unsigned long rgb, unsigned long def)
{
int r, g, b;
r = rgb>>16;
g = (rgb>>8)&0xFF;
b = rgb&0xFF;
switch(depth){
case 1:
case 2:
case 4:
case 8:
default:
/* not going to waste color map entries */
return def;
case 15:
r >>= 3;
g >>= 3;
b >>= 3;
return (r<<10) | (g<<5) | b;
case 16:
r >>= 3;
g >>= 2;
b >>= 3;
return (r<<11) | (g<<5) | b;
case 24:
case 32:
/* try to find byte order */
if(s->vis->red_mask & 0xff)
return (r) | (g<<8) | (b<<16); /* OK on Sun */
return rgb;
}
}
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