ref: a0dc0a9b1b81655ba2e9fa87f74f07a4fcea825d
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;
_lockdisplay(i->display);
b = bufimage(i->display, 22);
if(b == nil){
_unlockdisplay(i->display);
fprint(2, "replclipr: %r\n");
return;
}
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);
_unlockdisplay(i->display);
i->repl = repl;
i->clipr = clipr;
}