1 /* GIMP - The GNU Image Manipulation Program
2  * Copyright (C) 1995 Spencer Kimball and Peter Mattis
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program 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
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef __GIMP_PERSPECTIVE_CLONE_H__
19 #define __GIMP_PERSPECTIVE_CLONE_H__
20 
21 
22 #include "gimpclone.h"
23 
24 
25 #define GIMP_TYPE_PERSPECTIVE_CLONE            (gimp_perspective_clone_get_type ())
26 #define GIMP_PERSPECTIVE_CLONE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_PERSPECTIVE_CLONE, GimpPerspectiveClone))
27 #define GIMP_PERSPECTIVE_CLONE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_PERSPECTIVE_CLONE, GimpPerspectiveCloneClass))
28 #define GIMP_IS_PERSPECTIVE_CLONE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_PERSPECTIVE_CLONE))
29 #define GIMP_IS_PERSPECTIVE_CLONE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_PERSPECTIVE_CLONE))
30 #define GIMP_PERSPECTIVE_CLONE_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_PERSPECTIVE_CLONE, GimpPerspectiveCloneClass))
31 
32 
33 typedef struct _GimpPerspectiveCloneClass GimpPerspectiveCloneClass;
34 
35 struct _GimpPerspectiveClone
36 {
37   GimpClone      parent_instance;
38 
39   gdouble        src_x_fv;     /* source coords in front_view perspective */
40   gdouble        src_y_fv;
41 
42   gdouble        dest_x_fv;    /* destination coords in front_view perspective */
43   gdouble        dest_y_fv;
44 
45   GimpMatrix3    transform;
46   GimpMatrix3    transform_inv;
47 
48   GeglNode      *node;
49   GeglNode      *crop;
50   GeglNode      *transform_node;
51   GeglNode      *dest_node;
52 };
53 
54 struct _GimpPerspectiveCloneClass
55 {
56   GimpCloneClass  parent_class;
57 };
58 
59 
60 void    gimp_perspective_clone_register      (Gimp                      *gimp,
61                                               GimpPaintRegisterCallback  callback);
62 
63 GType   gimp_perspective_clone_get_type         (void) G_GNUC_CONST;
64 
65 void    gimp_perspective_clone_set_transform    (GimpPerspectiveClone   *clone,
66                                                  GimpMatrix3            *transform);
67 void    gimp_perspective_clone_get_source_point (GimpPerspectiveClone   *clone,
68                                                  gdouble                 x,
69                                                  gdouble                 y,
70                                                  gdouble                *newx,
71                                                  gdouble                *newy);
72 
73 
74 #endif  /*  __GIMP_PERSPECTIVE_CLONE_H__  */
75