gimp/app/tools/gimppaintbrushtool.c

97 lines
3.1 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "operations/layer-modes/gimp-layer-modes.h"
#include "paint/gimppaintoptions.h"
#include "widgets/gimphelp-ids.h"
#include "gimppaintbrushtool.h"
#include "gimppaintoptions-gui.h"
#include "gimptoolcontrol.h"
#include "gimp-intl.h"
static gboolean gimp_paintbrush_tool_is_alpha_only (GimpPaintTool *paint_tool,
GimpDrawable *drawable);
G_DEFINE_TYPE (GimpPaintbrushTool, gimp_paintbrush_tool, GIMP_TYPE_BRUSH_TOOL)
void
gimp_paintbrush_tool_register (GimpToolRegisterCallback callback,
gpointer data)
{
(* callback) (GIMP_TYPE_PAINTBRUSH_TOOL,
GIMP_TYPE_PAINT_OPTIONS,
gimp_paint_options_gui,
GIMP_PAINT_OPTIONS_CONTEXT_MASK |
GIMP_CONTEXT_PROP_MASK_EXPAND |
GIMP_CONTEXT_PROP_MASK_GRADIENT |
GIMP_CONTEXT_PROP_MASK_PATTERN,
"gimp-paintbrush-tool",
_("Paintbrush"),
_("Paintbrush Tool: Paint smooth strokes using a brush"),
N_("_Paintbrush"), "P",
NULL, GIMP_HELP_TOOL_PAINTBRUSH,
GIMP_ICON_TOOL_PAINTBRUSH,
data);
}
static void
gimp_paintbrush_tool_class_init (GimpPaintbrushToolClass *klass)
{
GimpPaintToolClass *paint_tool_class = GIMP_PAINT_TOOL_CLASS (klass);
paint_tool_class->is_alpha_only = gimp_paintbrush_tool_is_alpha_only;
}
static void
gimp_paintbrush_tool_init (GimpPaintbrushTool *paintbrush)
{
GimpTool *tool = GIMP_TOOL (paintbrush);
gimp_tool_control_set_tool_cursor (tool->control,
GIMP_TOOL_CURSOR_PAINTBRUSH);
gimp_paint_tool_enable_color_picker (GIMP_PAINT_TOOL (paintbrush),
GIMP_COLOR_PICK_TARGET_FOREGROUND);
}
static gboolean
gimp_paintbrush_tool_is_alpha_only (GimpPaintTool *paint_tool,
GimpDrawable *drawable)
{
GimpPaintOptions *paint_options = GIMP_PAINT_TOOL_GET_OPTIONS (paint_tool);
GimpContext *context = GIMP_CONTEXT (paint_options);
GimpLayerMode paint_mode = gimp_context_get_paint_mode (context);
return gimp_layer_mode_is_alpha_only (paint_mode);
}