ocaml/otherlibs/graph/image.h

33 lines
1.4 KiB
C

/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* 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 Library General Public License. */
/* */
/***********************************************************************/
/* $Id$ */
struct grimage {
final_fun f; /* Finalization function */
int width, height; /* Dimensions of the image */
Pixmap data; /* Pixels */
Pixmap mask; /* Mask for transparent points, or None */
};
#define Grimage_wosize \
((sizeof(struct grimage) + sizeof(value) - 1) / sizeof(value))
#define Width_im(i) (((struct grimage *)(i))->width)
#define Height_im(i) (((struct grimage *)(i))->height)
#define Data_im(i) (((struct grimage *)(i))->data)
#define Mask_im(i) (((struct grimage *)(i))->mask)
#define Transparent (-1)
value gr_new_image(int w, int h);