/**************************************************************************/
/*                                                                        */
/*                                 OCaml                                  */
/*                                                                        */
/*             Xavier Leroy, projet Cristal, INRIA Rocquencourt           */
/*                                                                        */
/*   Copyright 1996 Institut National de Recherche en Informatique et     */
/*     en Automatique.                                                    */
/*                                                                        */
/*   All rights reserved.  This file is distributed under the terms of    */
/*   the GNU Lesser General Public License version 2.1, with the          */
/*   special exception on linking described in the file LICENSE.          */
/*                                                                        */
/**************************************************************************/

struct grimage {
  int width, height;            /* Dimensions of the image */
  Pixmap data;                  /* Pixels */
  Pixmap mask;                  /* Mask for transparent points, or None */
};

#define Width_im(i) (((struct grimage *)Data_custom_val(i))->width)
#define Height_im(i) (((struct grimage *)Data_custom_val(i))->height)
#define Data_im(i) (((struct grimage *)Data_custom_val(i))->data)
#define Mask_im(i) (((struct grimage *)Data_custom_val(i))->mask)

#define Transparent (-1)

value caml_gr_new_image(int w, int h);
