1 /* GIMP - The GNU Image Manipulation Program
2  * Copyright (C) 1995 Spencer Kimball and Peter Mattis
3  *
4  * gimp-layer-modes.h
5  * Copyright (C) 2017 Michael Natterer <mitch@gimp.org>
6  *                    Øyvind Kolås <pippin@gimp.org>
7  *
8  * This program is free software: you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 3 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
20  */
21 
22 #ifndef __GIMP_LAYER_MODES_H__
23 #define __GIMP_LAYER_MODES_H__
24 
25 
26 void                       gimp_layer_modes_init                      (void);
27 
28 gboolean                   gimp_layer_mode_is_legacy                  (GimpLayerMode           mode);
29 
30 gboolean                   gimp_layer_mode_is_blend_space_mutable     (GimpLayerMode           mode);
31 gboolean                   gimp_layer_mode_is_composite_space_mutable (GimpLayerMode           mode);
32 gboolean                   gimp_layer_mode_is_composite_mode_mutable  (GimpLayerMode           mode);
33 
34 gboolean                   gimp_layer_mode_is_subtractive             (GimpLayerMode           mode);
35 gboolean                   gimp_layer_mode_is_alpha_only              (GimpLayerMode           mode);
36 gboolean                   gimp_layer_mode_is_trivial                 (GimpLayerMode           mode);
37 
38 GimpLayerColorSpace        gimp_layer_mode_get_blend_space            (GimpLayerMode           mode);
39 GimpLayerColorSpace        gimp_layer_mode_get_composite_space        (GimpLayerMode           mode);
40 GimpLayerCompositeMode     gimp_layer_mode_get_composite_mode         (GimpLayerMode           mode);
41 GimpLayerCompositeMode     gimp_layer_mode_get_paint_composite_mode   (GimpLayerMode           mode);
42 
43 const gchar              * gimp_layer_mode_get_operation              (GimpLayerMode           mode);
44 
45 GimpLayerModeFunc          gimp_layer_mode_get_function               (GimpLayerMode           mode);
46 GimpLayerModeBlendFunc     gimp_layer_mode_get_blend_function         (GimpLayerMode           mode);
47 
48 GimpLayerModeContext       gimp_layer_mode_get_context                (GimpLayerMode           mode);
49 
50 GimpLayerMode            * gimp_layer_mode_get_context_array          (GimpLayerMode           mode,
51                                                                        GimpLayerModeContext    context,
52                                                                        gint                   *n_modes);
53 
54 GimpLayerModeGroup         gimp_layer_mode_get_group                  (GimpLayerMode           mode);
55 
56 const GimpLayerMode      * gimp_layer_mode_get_group_array            (GimpLayerModeGroup      group,
57                                                                        gint                   *n_modes);
58 
59 gboolean                   gimp_layer_mode_get_for_group              (GimpLayerMode           old_mode,
60                                                                        GimpLayerModeGroup      new_group,
61                                                                        GimpLayerMode          *new_mode);
62 
63 const Babl               * gimp_layer_mode_get_format                 (GimpLayerMode           mode,
64                                                                        GimpLayerColorSpace     blend_space,
65                                                                        GimpLayerColorSpace     composite_space,
66                                                                        GimpLayerCompositeMode  composite_mode,
67                                                                        const Babl             *preferred_format);
68 
69 GimpLayerCompositeRegion   gimp_layer_mode_get_included_region        (GimpLayerMode           mode,
70                                                                        GimpLayerCompositeMode  composite_mode);
71 
72 
73 #endif /* __GIMP_LAYER_MODES_H__ */
74