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 #include "config.h"
19
20 #include <gegl.h>
21 #include <gtk/gtk.h>
22
23 #include "libgimpwidgets/gimpwidgets.h"
24
25 #include "tools-types.h"
26
27 #include "operations/layer-modes/gimp-layer-modes.h"
28
29 #include "paint/gimppaintoptions.h"
30
31 #include "widgets/gimphelp-ids.h"
32
33 #include "gimppaintbrushtool.h"
34 #include "gimppaintoptions-gui.h"
35 #include "gimptoolcontrol.h"
36
37 #include "gimp-intl.h"
38
39
40 static gboolean gimp_paintbrush_tool_is_alpha_only (GimpPaintTool *paint_tool,
41 GimpDrawable *drawable);
42
43
G_DEFINE_TYPE(GimpPaintbrushTool,gimp_paintbrush_tool,GIMP_TYPE_BRUSH_TOOL)44 G_DEFINE_TYPE (GimpPaintbrushTool, gimp_paintbrush_tool, GIMP_TYPE_BRUSH_TOOL)
45
46
47 void
48 gimp_paintbrush_tool_register (GimpToolRegisterCallback callback,
49 gpointer data)
50 {
51 (* callback) (GIMP_TYPE_PAINTBRUSH_TOOL,
52 GIMP_TYPE_PAINT_OPTIONS,
53 gimp_paint_options_gui,
54 GIMP_PAINT_OPTIONS_CONTEXT_MASK |
55 GIMP_CONTEXT_PROP_MASK_GRADIENT,
56 "gimp-paintbrush-tool",
57 _("Paintbrush"),
58 _("Paintbrush Tool: Paint smooth strokes using a brush"),
59 N_("_Paintbrush"), "P",
60 NULL, GIMP_HELP_TOOL_PAINTBRUSH,
61 GIMP_ICON_TOOL_PAINTBRUSH,
62 data);
63 }
64
65 static void
gimp_paintbrush_tool_class_init(GimpPaintbrushToolClass * klass)66 gimp_paintbrush_tool_class_init (GimpPaintbrushToolClass *klass)
67 {
68 GimpPaintToolClass *paint_tool_class = GIMP_PAINT_TOOL_CLASS (klass);
69
70 paint_tool_class->is_alpha_only = gimp_paintbrush_tool_is_alpha_only;
71 }
72
73 static void
gimp_paintbrush_tool_init(GimpPaintbrushTool * paintbrush)74 gimp_paintbrush_tool_init (GimpPaintbrushTool *paintbrush)
75 {
76 GimpTool *tool = GIMP_TOOL (paintbrush);
77
78 gimp_tool_control_set_tool_cursor (tool->control,
79 GIMP_TOOL_CURSOR_PAINTBRUSH);
80
81 gimp_paint_tool_enable_color_picker (GIMP_PAINT_TOOL (paintbrush),
82 GIMP_COLOR_PICK_TARGET_FOREGROUND);
83 }
84
85 static gboolean
gimp_paintbrush_tool_is_alpha_only(GimpPaintTool * paint_tool,GimpDrawable * drawable)86 gimp_paintbrush_tool_is_alpha_only (GimpPaintTool *paint_tool,
87 GimpDrawable *drawable)
88 {
89 GimpPaintOptions *paint_options = GIMP_PAINT_TOOL_GET_OPTIONS (paint_tool);
90 GimpContext *context = GIMP_CONTEXT (paint_options);
91 GimpLayerMode paint_mode = gimp_context_get_paint_mode (context);
92
93 return gimp_layer_mode_is_alpha_only (paint_mode);
94 }
95