harvey/sys/src/cmd/gs/src/idisp.h

/* Copyright (C) 2001, Ghostgum Software Pty Ltd.  All rights reserved.

   This software is provided AS-IS with no warranty, either express or
   implied.
   
   This software is distributed under license and may not be copied,
   modified or distributed except as expressly authorized under the terms
   of the license contained in the file LICENSE in this distribution.
   
   For more information about licensing, please refer to
   http://www.ghostscript.com/licensing/. For information on
   commercial licensing, go to http://www.artifex.com/licensing/ or
   contact Artifex Software, Inc., 101 Lucas Valley Road #110,
   San Rafael, CA  94903, U.S.A., +1(415)492-9861.
 */

/* $Id: idisp.h,v 1.4 2002/02/21 22:24:53 giles Exp $ */

#ifndef idisp_INCLUDED
#  define idisp_INCLUDED

#ifndef display_callback_DEFINED
# define display_callback_DEFINED
typedef struct display_callback_s display_callback;
#endif

/* Called from imain.c to set the display callback in the device instance. */
int display_set_callback(gs_main_instance *minst, display_callback *callback);


#endif /* idisp_INCLUDED */