ocaml/otherlibs/graph/image.h

30 lines
1.6 KiB
C

/**************************************************************************/
/* */
/* 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);