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_PROJECTION_H__
19 #define __GIMP_PROJECTION_H__
20 
21 
22 #include "gimpobject.h"
23 
24 
25 #define GIMP_TYPE_PROJECTION            (gimp_projection_get_type ())
26 #define GIMP_PROJECTION(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_PROJECTION, GimpProjection))
27 #define GIMP_PROJECTION_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_PROJECTION, GimpProjectionClass))
28 #define GIMP_IS_PROJECTION(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_PROJECTION))
29 #define GIMP_IS_PROJECTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_PROJECTION))
30 #define GIMP_PROJECTION_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_PROJECTION, GimpProjectionClass))
31 
32 
33 typedef struct _GimpProjectionPrivate GimpProjectionPrivate;
34 typedef struct _GimpProjectionClass   GimpProjectionClass;
35 
36 struct _GimpProjection
37 {
38   GimpObject             parent_instance;
39 
40   GimpProjectionPrivate *priv;
41 };
42 
43 struct _GimpProjectionClass
44 {
45   GimpObjectClass  parent_class;
46 
47   void (* update) (GimpProjection *proj,
48                    gboolean        now,
49                    gint            x,
50                    gint            y,
51                    gint            width,
52                    gint            height);
53 };
54 
55 
56 GType            gimp_projection_get_type          (void) G_GNUC_CONST;
57 
58 GimpProjection * gimp_projection_new               (GimpProjectable   *projectable);
59 
60 void             gimp_projection_set_priority      (GimpProjection    *projection,
61                                                     gint               priority);
62 gint             gimp_projection_get_priority      (GimpProjection    *projection);
63 
64 void             gimp_projection_set_priority_rect (GimpProjection    *proj,
65                                                     gint               x,
66                                                     gint               y,
67                                                     gint               width,
68                                                     gint               height);
69 
70 void             gimp_projection_stop_rendering    (GimpProjection    *proj);
71 
72 void             gimp_projection_flush             (GimpProjection    *proj);
73 void             gimp_projection_flush_now         (GimpProjection    *proj,
74                                                     gboolean           direct);
75 void             gimp_projection_finish_draw       (GimpProjection    *proj);
76 
77 gint64           gimp_projection_estimate_memsize  (GimpImageBaseType  type,
78                                                     GimpComponentType  component_type,
79                                                     gint               width,
80                                                     gint               height);
81 
82 
83 #endif /*  __GIMP_PROJECTION_H__  */
84