1 /* Copyright (C) 1998 Aladdin Enterprises. All rights reserved. 2 3 This software is provided AS-IS with no warranty, either express or 4 implied. 5 6 This software is distributed under license and may not be copied, 7 modified or distributed except as expressly authorized under the terms 8 of the license contained in the file LICENSE in this distribution. 9 10 For more information about licensing, please refer to 11 http://www.ghostscript.com/licensing/. For information on 12 commercial licensing, go to http://www.artifex.com/licensing/ or 13 contact Artifex Software, Inc., 101 Lucas Valley Road #110, 14 San Rafael, CA 94903, U.S.A., +1(415)492-9861. 15 */ 16 17 /* $Id: gxclipsr.h,v 1.4 2002/02/21 22:24:53 giles Exp $ */ 18 /* Internals of clipsave/cliprestore */ 19 20 #ifndef gxclipsr_INCLUDED 21 # define gxclipsr_INCLUDED 22 23 #include "gsrefct.h" 24 25 /* 26 * Unlike the graphics state stack, which is threaded through the actual 27 * gstate objects, the clipping path stack is implemented with separate, 28 * small objects. These are reference-counted, because they may be 29 * shared by off-stack graphics states. 30 */ 31 32 #ifndef gx_clip_path_DEFINED 33 # define gx_clip_path_DEFINED 34 typedef struct gx_clip_path_s gx_clip_path; 35 #endif 36 #ifndef gx_clip_stack_DEFINED 37 # define gx_clip_stack_DEFINED 38 typedef struct gx_clip_stack_s gx_clip_stack_t; 39 #endif 40 41 struct gx_clip_stack_s { 42 rc_header rc; 43 gx_clip_path *clip_path; 44 gx_clip_stack_t *next; 45 }; 46 47 #define private_st_clip_stack() /* in gsclipsr.c */\ 48 gs_private_st_ptrs2(st_clip_stack, gx_clip_stack_t,\ 49 "gx_clip_stack_t", clip_stack_enum_ptrs, clip_stack_reloc_ptrs,\ 50 clip_path, next) 51 52 #endif /* gxclipsr_INCLUDED */ 53