1 /* Libart_LGPL - library of basic graphic primitives 2 * Copyright (C) 1998 Raph Levien 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public 15 * License along with this library; if not, write to the 16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 17 * Boston, MA 02111-1307, USA. 18 */ 19 20 #ifndef __ART_SVP_WIND_H__ 21 #define __ART_SVP_WIND_H__ 22 23 /* Primitive intersection and winding number operations on sorted 24 vector paths. */ 25 26 #ifdef LIBART_COMPILATION 27 #include "art_svp.h" 28 #else 29 #include <libart_lgpl/art_svp.h> 30 #endif 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif /* __cplusplus */ 35 36 #ifndef ART_WIND_RULE_DEFINED 37 #define ART_WIND_RULE_DEFINED 38 typedef enum { 39 ART_WIND_RULE_NONZERO, 40 ART_WIND_RULE_INTERSECT, 41 ART_WIND_RULE_ODDEVEN, 42 ART_WIND_RULE_POSITIVE 43 } ArtWindRule; 44 #endif 45 46 ArtSVP * 47 art_svp_uncross (ArtSVP *vp); 48 49 ArtSVP * 50 art_svp_rewind_uncrossed (ArtSVP *vp, ArtWindRule rule); 51 52 53 #ifdef __cplusplus 54 } 55 #endif /* __cplusplus */ 56 57 #endif /* __ART_SVP_WIND_H__ */ 58