| 1 | /* Copyright (C) 1991 Aladdin Enterprises. All rights reserved. |
| 2 | Distributed by Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of Ghostscript. |
| 5 | |
| 6 | Ghostscript is distributed in the hope that it will be useful, but |
| 7 | WITHOUT ANY WARRANTY. No author or distributor accepts responsibility |
| 8 | to anyone for the consequences of using it or for whether it serves any |
| 9 | particular purpose or works at all, unless he says so in writing. Refer |
| 10 | to the Ghostscript General Public License for full details. |
| 11 | |
| 12 | Everyone is granted permission to copy, modify and redistribute |
| 13 | Ghostscript, but only under the conditions described in the Ghostscript |
| 14 | General Public License. A copy of this license is supposed to have been |
| 15 | given to you along with Ghostscript so you can know your rights and |
| 16 | responsibilities. It should be in a file named COPYING. Among other |
| 17 | things, the copyright notice and this notice must be preserved on all |
| 18 | copies. */ |
| 19 | |
| 20 | /* gxcpath.h */ |
| 21 | /* Interface to clipping devices */ |
| 22 | /* requires gzpath.h */ |
| 23 | |
| 24 | /* A cached cursor, relative to a known gx_clip_list. */ |
| 25 | typedef struct rect_cursor_s { |
| 26 | gx_clip_rect *rptr; |
| 27 | } rect_cursor; |
| 28 | |
| 29 | /* Device for accumulating a rectangle list. */ |
| 30 | typedef struct gx_device_accum_s { |
| 31 | gx_device_common; |
| 32 | gs_memory_procs memory_procs; /* set by client */ |
| 33 | gs_int_rect bbox; |
| 34 | gx_clip_list list; |
| 35 | gx_clip_rect *last; |
| 36 | } gx_device_accum; |
| 37 | extern gx_device_accum gs_accum_device; |
| 38 | |
| 39 | /* Device for clipping with a rectangle list. */ |
| 40 | typedef struct gx_clip_device_s { |
| 41 | gx_device_common; |
| 42 | gx_device *target; /* set by client */ |
| 43 | gx_clip_list list; /* set by client */ |
| 44 | rect_cursor current; |
| 45 | } gx_device_clip; |
| 46 | extern gx_device_clip gs_clip_device; |