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_VPATH_H__ 21 #define __ART_VPATH_H__ 22 23 #ifdef LIBART_COMPILATION 24 #include "art_rect.h" 25 #include "art_pathcode.h" 26 #else 27 #include <libart_lgpl/art_rect.h> 28 #include <libart_lgpl/art_pathcode.h> 29 #endif 30 31 /* Basic data structures and constructors for simple vector paths */ 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif /* __cplusplus */ 36 37 typedef struct _ArtVpath ArtVpath; 38 39 /* CURVETO is not allowed! */ 40 struct _ArtVpath { 41 ArtPathcode code; 42 double x; 43 double y; 44 }; 45 46 /* Some of the functions need to go into their own modules */ 47 48 void 49 art_vpath_add_point (ArtVpath **p_vpath, int *pn_points, int *pn_points_max, 50 ArtPathcode code, double x, double y); 51 52 ArtVpath * 53 art_vpath_new_circle (double x, double y, double r); 54 55 ArtVpath * 56 art_vpath_affine_transform (const ArtVpath *src, const double matrix[6]); 57 58 void 59 art_vpath_bbox_drect (const ArtVpath *vec, ArtDRect *drect); 60 61 void 62 art_vpath_bbox_irect (const ArtVpath *vec, ArtIRect *irect); 63 64 ArtVpath * 65 art_vpath_perturb (ArtVpath *src); 66 67 #ifdef __cplusplus 68 } 69 #endif /* __cplusplus */ 70 71 #endif /* __ART_VPATH_H__ */ 72