6093399d7b
When several layers are selected, and using the Fuzzy select tool without sample merged (with sample merged, nothing changes, it just uses the whole image), the selection will be based off a composited render of the image with only selected layers. This is equivalent to only making selected layers visible, running fuzzy select with sample merged, then making other layers visible again.
156 lines
4.8 KiB
C
156 lines
4.8 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimpfuzzyselecttool.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 "libgimpwidgets/gimpwidgets.h"
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#include "tools-types.h"
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#include "core/gimp.h"
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#include "core/gimpcontainer.h"
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#include "core/gimpimage.h"
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#include "core/gimpimage-new.h"
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#include "core/gimpitem.h"
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#include "core/gimppickable.h"
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#include "core/gimppickable-contiguous-region.h"
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#include "widgets/gimphelp-ids.h"
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#include "display/gimpdisplay.h"
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#include "gimpfuzzyselecttool.h"
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#include "gimpregionselectoptions.h"
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#include "gimptoolcontrol.h"
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#include "gimp-intl.h"
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static GeglBuffer * gimp_fuzzy_select_tool_get_mask (GimpRegionSelectTool *region_select,
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GimpDisplay *display);
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G_DEFINE_TYPE (GimpFuzzySelectTool, gimp_fuzzy_select_tool,
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GIMP_TYPE_REGION_SELECT_TOOL)
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#define parent_class gimp_fuzzy_select_tool_parent_class
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void
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gimp_fuzzy_select_tool_register (GimpToolRegisterCallback callback,
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gpointer data)
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{
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(* callback) (GIMP_TYPE_FUZZY_SELECT_TOOL,
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GIMP_TYPE_REGION_SELECT_OPTIONS,
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gimp_region_select_options_gui,
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0,
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"gimp-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, GIMP_HELP_TOOL_FUZZY_SELECT,
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GIMP_ICON_TOOL_FUZZY_SELECT,
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data);
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}
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static void
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gimp_fuzzy_select_tool_class_init (GimpFuzzySelectToolClass *klass)
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{
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GimpRegionSelectToolClass *region_class;
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region_class = GIMP_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 = gimp_fuzzy_select_tool_get_mask;
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}
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static void
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gimp_fuzzy_select_tool_init (GimpFuzzySelectTool *fuzzy_select)
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{
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GimpTool *tool = GIMP_TOOL (fuzzy_select);
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gimp_tool_control_set_tool_cursor (tool->control,
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GIMP_TOOL_CURSOR_FUZZY_SELECT);
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}
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static GeglBuffer *
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gimp_fuzzy_select_tool_get_mask (GimpRegionSelectTool *region_select,
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GimpDisplay *display)
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{
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GimpTool *tool = GIMP_TOOL (region_select);
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GimpSelectionOptions *sel_options = GIMP_SELECTION_TOOL_GET_OPTIONS (tool);
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GimpRegionSelectOptions *options = GIMP_REGION_SELECT_TOOL_GET_OPTIONS (tool);
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GimpImage *image = gimp_display_get_image (display);
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GimpImage *select_image = NULL;
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GList *drawables = gimp_image_get_selected_drawables (image);
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GimpPickable *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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gimp_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 = GIMP_PICKABLE (drawables->data);
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}
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else
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{
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select_image = gimp_image_new_from_drawables (image->gimp, drawables, FALSE);
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gimp_container_remove (image->gimp->images, GIMP_OBJECT (select_image));
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pickable = GIMP_PICKABLE (select_image);
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gimp_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 = GIMP_PICKABLE (image);
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}
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g_list_free (drawables);
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mask = gimp_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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