gimp/app/tools/gimpfuzzyselecttool.c

156 lines
4.8 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpfuzzyselecttool.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 "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "core/gimp.h"
#include "core/gimpcontainer.h"
#include "core/gimpimage.h"
#include "core/gimpimage-new.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 "gimpfuzzyselecttool.h"
#include "gimpregionselectoptions.h"
#include "gimptoolcontrol.h"
#include "gimp-intl.h"
static GeglBuffer * gimp_fuzzy_select_tool_get_mask (GimpRegionSelectTool *region_select,
GimpDisplay *display);
G_DEFINE_TYPE (GimpFuzzySelectTool, gimp_fuzzy_select_tool,
GIMP_TYPE_REGION_SELECT_TOOL)
#define parent_class gimp_fuzzy_select_tool_parent_class
void
gimp_fuzzy_select_tool_register (GimpToolRegisterCallback callback,
gpointer data)
{
(* callback) (GIMP_TYPE_FUZZY_SELECT_TOOL,
GIMP_TYPE_REGION_SELECT_OPTIONS,
gimp_region_select_options_gui,
0,
"gimp-fuzzy-select-tool",
_("Fuzzy Select"),
_("Fuzzy Select Tool: Select a contiguous region on the basis of color"),
N_("Fu_zzy Select"), "U",
NULL, GIMP_HELP_TOOL_FUZZY_SELECT,
GIMP_ICON_TOOL_FUZZY_SELECT,
data);
}
static void
gimp_fuzzy_select_tool_class_init (GimpFuzzySelectToolClass *klass)
{
GimpRegionSelectToolClass *region_class;
region_class = GIMP_REGION_SELECT_TOOL_CLASS (klass);
region_class->undo_desc = C_("command", "Fuzzy Select");
region_class->get_mask = gimp_fuzzy_select_tool_get_mask;
}
static void
gimp_fuzzy_select_tool_init (GimpFuzzySelectTool *fuzzy_select)
{
GimpTool *tool = GIMP_TOOL (fuzzy_select);
gimp_tool_control_set_tool_cursor (tool->control,
GIMP_TOOL_CURSOR_FUZZY_SELECT);
}
static GeglBuffer *
gimp_fuzzy_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);
GimpImage *select_image = NULL;
GList *drawables = gimp_image_get_selected_drawables (image);
GimpPickable *pickable;
GeglBuffer *mask;
gint x, y;
x = region_select->x;
y = region_select->y;
if (! options->sample_merged)
{
if (g_list_length (drawables) == 1)
{
gint off_x, off_y;
gimp_item_get_offset (drawables->data, &off_x, &off_y);
x -= off_x;
y -= off_y;
pickable = GIMP_PICKABLE (drawables->data);
}
else
{
select_image = gimp_image_new_from_drawables (image->gimp, drawables, FALSE);
gimp_container_remove (image->gimp->images, GIMP_OBJECT (select_image));
pickable = GIMP_PICKABLE (select_image);
gimp_pickable_flush (pickable);
}
}
else
{
pickable = GIMP_PICKABLE (image);
}
g_list_free (drawables);
mask = gimp_pickable_contiguous_region_by_seed (pickable,
sel_options->antialias,
options->threshold / 255.0,
options->select_transparent,
options->select_criterion,
options->diagonal_neighbors,
x, y);
if (select_image)
g_object_unref (select_image);
return mask;
}