ref: 21f97338f86b9aa4a2995ddc7bbe539efadfab70
dir: /sys/src/libdraw/replclipr.c/
#include <u.h>
#include <libc.h>
#include <draw.h>
void
replclipr(Image *i, int repl, Rectangle clipr)
{
uchar *b;
b = bufimage(i->display, 22);
b[0] = 'c';
BPLONG(b+1, i->id);
repl = repl!=0;
b[5] = repl;
BPLONG(b+6, clipr.min.x);
BPLONG(b+10, clipr.min.y);
BPLONG(b+14, clipr.max.x);
BPLONG(b+18, clipr.max.y);
i->repl = repl;
i->clipr = clipr;
}