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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpbycolorselecttool.c
*
* 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 <string.h>
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpcolor/gimpcolor.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "core/gimpimage.h"
#include "core/gimpitem.h"
#include "core/gimppickable.h"
#include "core/gimppickable-contiguous-region.h"
#include "widgets/gimphelp-ids.h"
#include "display/gimpdisplay.h"
#include "gimpbycolorselecttool.h"
#include "gimpregionselectoptions.h"
#include "gimptoolcontrol.h"
#include "gimp-intl.h"
static GeglBuffer * gimp_by_color_select_tool_get_mask (GimpRegionSelectTool *region_select,
GimpDisplay *display);
G_DEFINE_TYPE (GimpByColorSelectTool, gimp_by_color_select_tool,
GIMP_TYPE_REGION_SELECT_TOOL)
#define parent_class gimp_by_color_select_tool_parent_class
void
gimp_by_color_select_tool_register (GimpToolRegisterCallback callback,
gpointer data)
{
(* callback) (GIMP_TYPE_BY_COLOR_SELECT_TOOL,
GIMP_TYPE_REGION_SELECT_OPTIONS,
gimp_region_select_options_gui,
0,
"gimp-by-color-select-tool",
_("Select by Color"),
_("Select by Color Tool: Select regions with similar colors"),
N_("_By Color Select"), "<shift>O",
NULL, GIMP_HELP_TOOL_BY_COLOR_SELECT,
GIMP_ICON_TOOL_BY_COLOR_SELECT,
data);
}
static void
gimp_by_color_select_tool_class_init (GimpByColorSelectToolClass *klass)
{
GimpRegionSelectToolClass *region_class;
region_class = GIMP_REGION_SELECT_TOOL_CLASS (klass);
region_class->undo_desc = C_("command", "Select by Color");
region_class->get_mask = gimp_by_color_select_tool_get_mask;
}
static void
gimp_by_color_select_tool_init (GimpByColorSelectTool *by_color_select)
{
GimpTool *tool = GIMP_TOOL (by_color_select);
gimp_tool_control_set_tool_cursor (tool->control, GIMP_TOOL_CURSOR_HAND);
}
static GeglBuffer *
gimp_by_color_select_tool_get_mask (GimpRegionSelectTool *region_select,
GimpDisplay *display)
{
GimpTool *tool = GIMP_TOOL (region_select);
GimpSelectionOptions *sel_options = GIMP_SELECTION_TOOL_GET_OPTIONS (tool);
GimpRegionSelectOptions *options = GIMP_REGION_SELECT_TOOL_GET_OPTIONS (tool);
GimpImage *image = gimp_display_get_image (display);
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
GimpPickable *pickable;
GimpRGB srgb;
gint x, y;
x = region_select->x;
y = region_select->y;
if (! options->sample_merged)
{
gint off_x, off_y;
gimp_item_get_offset (GIMP_ITEM (drawable), &off_x, &off_y);
x -= off_x;
y -= off_y;
pickable = GIMP_PICKABLE (drawable);
}
else
{
pickable = GIMP_PICKABLE (image);
}
gimp_pickable_flush (pickable);
if (gimp_pickable_get_color_at (pickable, x, y, &srgb))
{
GimpRGB color;
gimp_pickable_srgb_to_image_color (pickable, &srgb, &color);
return gimp_pickable_contiguous_region_by_color (pickable,
sel_options->antialias,
options->threshold / 255.0,
options->select_transparent,
options->select_criterion,
&color);
}
return NULL;
}
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