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_H__ 21 #define __ART_SVP_H__ 22 23 /* Basic data structures and constructors for sorted vector paths */ 24 25 #ifdef LIBART_COMPILATION 26 #include "art_rect.h" 27 #include "art_point.h" 28 #else 29 #include <libart_lgpl/art_rect.h> 30 #include <libart_lgpl/art_point.h> 31 #endif 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif /* __cplusplus */ 36 37 typedef struct _ArtSVP ArtSVP; 38 typedef struct _ArtSVPSeg ArtSVPSeg; 39 40 struct _ArtSVPSeg { 41 int n_points; 42 int dir; /* == 0 for "up", 1 for "down" */ 43 ArtDRect bbox; 44 ArtPoint *points; 45 }; 46 47 struct _ArtSVP { 48 int n_segs; 49 ArtSVPSeg segs[1]; 50 }; 51 52 int 53 art_svp_add_segment (ArtSVP **p_vp, int *pn_segs_max, 54 int **pn_points_max, 55 int n_points, int dir, ArtPoint *points, 56 ArtDRect *bbox); 57 58 void 59 art_svp_free (ArtSVP *svp); 60 61 int 62 art_svp_seg_compare (const void *s1, const void *s2); 63 64 #ifdef __cplusplus 65 } 66 #endif /* __cplusplus */ 67 68 #endif /* __ART_SVP_H__ */ 69