1 /* GIMP - The GNU Image Manipulation Program 2 * Copyright (C) 1995 Spencer Kimball and Peter Mattis 3 * 4 * gimpcanvaslimit.h 5 * Copyright (C) 2020 Ell 6 * 7 * This program is free software: you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 3 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program. If not, see <https://www.gnu.org/licenses/>. 19 */ 20 21 #ifndef __GIMP_CANVAS_LIMIT_H__ 22 #define __GIMP_CANVAS_LIMIT_H__ 23 24 25 #include "gimpcanvasitem.h" 26 27 28 #define GIMP_TYPE_CANVAS_LIMIT (gimp_canvas_limit_get_type ()) 29 #define GIMP_CANVAS_LIMIT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_CANVAS_LIMIT, GimpCanvasLimit)) 30 #define GIMP_CANVAS_LIMIT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_CANVAS_LIMIT, GimpCanvasLimitClass)) 31 #define GIMP_IS_CANVAS_LIMIT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_CANVAS_LIMIT)) 32 #define GIMP_IS_CANVAS_LIMIT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_CANVAS_LIMIT)) 33 #define GIMP_CANVAS_LIMIT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_CANVAS_LIMIT, GimpCanvasLimitClass)) 34 35 36 typedef struct _GimpCanvasLimit GimpCanvasLimit; 37 typedef struct _GimpCanvasLimitClass GimpCanvasLimitClass; 38 39 struct _GimpCanvasLimit 40 { 41 GimpCanvasItem parent_instance; 42 }; 43 44 struct _GimpCanvasLimitClass 45 { 46 GimpCanvasItemClass parent_class; 47 }; 48 49 50 GType gimp_canvas_limit_get_type (void) G_GNUC_CONST; 51 52 GimpCanvasItem * gimp_canvas_limit_new (GimpDisplayShell *shell, 53 GimpLimitType type, 54 gdouble x, 55 gdouble y, 56 gdouble radius, 57 gdouble aspect_ratio, 58 gdouble angle, 59 gboolean dashed); 60 61 void gimp_canvas_limit_get_radii (GimpCanvasLimit *limit, 62 gdouble *rx, 63 gdouble *ry); 64 65 gboolean gimp_canvas_limit_is_inside (GimpCanvasLimit *limit, 66 gdouble x, 67 gdouble y); 68 void gimp_canvas_limit_boundary_point (GimpCanvasLimit *limit, 69 gdouble x, 70 gdouble y, 71 gdouble *bx, 72 gdouble *by); 73 gdouble gimp_canvas_limit_boundary_radius (GimpCanvasLimit *limit, 74 gdouble x, 75 gdouble y); 76 77 void gimp_canvas_limit_center_point (GimpCanvasLimit *limit, 78 gdouble x, 79 gdouble y, 80 gdouble *cx, 81 gdouble *cy); 82 83 84 #endif /* __GIMP_CANVAS_LIMIT_H__ */ 85