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/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 1996 Institut National de Recherche en Informatique et */
/* Automatique. Distributed only by permission. */
/* */
/***********************************************************************/
/* $Id$ */
#include "libgraph.h"
value gr_point_color(value vx, value vy)
{
int x = Int_val(vx);
int y = Int_val(vy);
XImage * im;
int rgb;
gr_check_open();
im = XGetImage(grdisplay, grbstore.win, x, Bcvt(y), 1, 1, (-1), ZPixmap);
rgb = gr_rgb_pixel(XGetPixel(im, 0, 0));
XDestroyImage(im);
return Val_int(rgb);
}
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