/* Copyright (C) 1993, 1996, 1998 Aladdin Enterprises.  All rights reserved.
  
  This file is part of GNU Ghostscript.
  
  GNU Ghostscript is distributed in the hope that it will be useful, but
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  the GNU General Public License for full details.
  
  Everyone is granted permission to copy, modify and redistribute GNU
  Ghostscript, but only under the conditions described in the GNU General
  Public License.  A copy of this license is supposed to have been given to
  you along with GNU Ghostscript so you can know your rights and
  responsibilities.  It should be in a file named COPYING.  Among other
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*/

/*$Id: gxclip2.h,v 1.3 1999/04/01 05:31:33 fedor Exp $ */
/* Tiled mask clipping device and interface */

#ifndef gxclip2_INCLUDED
#  define gxclip2_INCLUDED

#include "gxmclip.h"

/* The structure for tile clipping is the same as for simple mask clipping. */
typedef gx_device_mask_clip gx_device_tile_clip;

#define private_st_device_tile_clip() /* in gxclip2.c */\
  gs_private_st_suffix_add0(st_device_tile_clip, gx_device_tile_clip,\
    "gx_device_tile_clip", device_tile_clip_enum_ptrs,\
    device_tile_clip_reloc_ptrs, st_device_mask_clip)

/*
 * Initialize a tile clipping device from a mask.
 * We supply an explicit phase.
 */
int tile_clip_initialize(P5(gx_device_tile_clip * cdev,
			    const gx_strip_bitmap * tiles,
			    gx_device * tdev, int px, int py));

/*
 * Set the phase of the tile -- used in the tiling loop when
 * the tile doesn't simply fill the plane.
 */
void tile_clip_set_phase(P3(gx_device_tile_clip * cdev, int px, int py));

#endif /* gxclip2_INCLUDED */
