160 lines
5.0 KiB
C
160 lines
5.0 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* pikafuzzyselecttool.c
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <string.h>
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libpikawidgets/pikawidgets.h"
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#include "tools-types.h"
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#include "core/pika.h"
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#include "core/pikacontainer.h"
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#include "core/pikaimage.h"
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#include "core/pikaimage-new.h"
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#include "core/pikaitem.h"
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#include "core/pikapickable.h"
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#include "core/pikapickable-contiguous-region.h"
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#include "widgets/pikahelp-ids.h"
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#include "display/pikadisplay.h"
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#include "pikafuzzyselecttool.h"
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#include "pikaregionselectoptions.h"
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#include "pikatoolcontrol.h"
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#include "pika-intl.h"
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static GeglBuffer * pika_fuzzy_select_tool_get_mask (PikaRegionSelectTool *region_select,
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PikaDisplay *display);
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G_DEFINE_TYPE (PikaFuzzySelectTool, pika_fuzzy_select_tool,
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PIKA_TYPE_REGION_SELECT_TOOL)
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#define parent_class pika_fuzzy_select_tool_parent_class
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void
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pika_fuzzy_select_tool_register (PikaToolRegisterCallback callback,
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gpointer data)
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{
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(* callback) (PIKA_TYPE_FUZZY_SELECT_TOOL,
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PIKA_TYPE_REGION_SELECT_OPTIONS,
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pika_region_select_options_gui,
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0,
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"pika-fuzzy-select-tool",
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_("Fuzzy Select"),
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_("Fuzzy Select Tool: Select a contiguous region on the basis of color"),
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N_("Fu_zzy Select"), "U",
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NULL, PIKA_HELP_TOOL_FUZZY_SELECT,
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PIKA_ICON_TOOL_FUZZY_SELECT,
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data);
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}
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static void
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pika_fuzzy_select_tool_class_init (PikaFuzzySelectToolClass *klass)
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{
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PikaRegionSelectToolClass *region_class;
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region_class = PIKA_REGION_SELECT_TOOL_CLASS (klass);
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region_class->undo_desc = C_("command", "Fuzzy Select");
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region_class->get_mask = pika_fuzzy_select_tool_get_mask;
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}
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static void
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pika_fuzzy_select_tool_init (PikaFuzzySelectTool *fuzzy_select)
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{
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PikaTool *tool = PIKA_TOOL (fuzzy_select);
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pika_tool_control_set_tool_cursor (tool->control,
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PIKA_TOOL_CURSOR_FUZZY_SELECT);
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}
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static GeglBuffer *
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pika_fuzzy_select_tool_get_mask (PikaRegionSelectTool *region_select,
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PikaDisplay *display)
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{
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PikaTool *tool = PIKA_TOOL (region_select);
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PikaSelectionOptions *sel_options = PIKA_SELECTION_TOOL_GET_OPTIONS (tool);
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PikaRegionSelectOptions *options = PIKA_REGION_SELECT_TOOL_GET_OPTIONS (tool);
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PikaImage *image = pika_display_get_image (display);
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PikaImage *select_image = NULL;
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GList *drawables = pika_image_get_selected_drawables (image);
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PikaPickable *pickable;
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GeglBuffer *mask;
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gint x, y;
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x = region_select->x;
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y = region_select->y;
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if (! options->sample_merged)
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{
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if (g_list_length (drawables) == 1)
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{
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gint off_x, off_y;
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pika_item_get_offset (drawables->data, &off_x, &off_y);
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x -= off_x;
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y -= off_y;
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pickable = PIKA_PICKABLE (drawables->data);
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}
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else
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{
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select_image = pika_image_new_from_drawables (image->pika, drawables, FALSE, FALSE);
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pika_container_remove (image->pika->images, PIKA_OBJECT (select_image));
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pickable = PIKA_PICKABLE (select_image);
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pika_pickable_flush (pickable);
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}
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}
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else
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{
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pickable = PIKA_PICKABLE (image);
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}
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g_list_free (drawables);
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mask = pika_pickable_contiguous_region_by_seed (pickable,
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sel_options->antialias,
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options->threshold / 255.0,
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options->select_transparent,
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options->select_criterion,
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options->diagonal_neighbors,
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x, y);
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if (select_image)
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g_object_unref (select_image);
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return mask;
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}
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