mirror of https://github.com/GNOME/gimp.git
146 lines
4.3 KiB
C
146 lines
4.3 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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* gimpbycolorselecttool.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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#include "libgimpcolor/gimpcolor.h"
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#include "libgimpwidgets/gimpwidgets.h"
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#include "tools-types.h"
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#include "core/gimpimage.h"
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#include "core/gimpimage-contiguous-region.h"
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#include "core/gimpitem.h"
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#include "core/gimppickable.h"
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#include "widgets/gimphelp-ids.h"
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#include "display/gimpdisplay.h"
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#include "gimpbycolorselecttool.h"
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#include "gimpselectionoptions.h"
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#include "gimptoolcontrol.h"
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#include "gimp-intl.h"
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static GimpChannel * gimp_by_color_select_tool_get_mask (GimpRegionSelectTool *region_select,
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GimpDisplay *display);
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G_DEFINE_TYPE (GimpByColorSelectTool, gimp_by_color_select_tool,
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GIMP_TYPE_REGION_SELECT_TOOL)
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#define parent_class gimp_by_color_select_tool_parent_class
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void
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gimp_by_color_select_tool_register (GimpToolRegisterCallback callback,
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gpointer data)
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{
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(* callback) (GIMP_TYPE_BY_COLOR_SELECT_TOOL,
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GIMP_TYPE_SELECTION_OPTIONS,
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gimp_selection_options_gui,
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0,
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"gimp-by-color-select-tool",
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_("Select by Color"),
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_("Select by Color Tool: Select regions with similar colors"),
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N_("_By Color Select"), "<shift>O",
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NULL, GIMP_HELP_TOOL_BY_COLOR_SELECT,
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GIMP_STOCK_TOOL_BY_COLOR_SELECT,
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data);
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}
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static void
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gimp_by_color_select_tool_class_init (GimpByColorSelectToolClass *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 = Q_("command|Select by Color");
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region_class->get_mask = gimp_by_color_select_tool_get_mask;
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}
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static void
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gimp_by_color_select_tool_init (GimpByColorSelectTool *by_color_select)
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{
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GimpTool *tool = GIMP_TOOL (by_color_select);
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gimp_tool_control_set_tool_cursor (tool->control, GIMP_TOOL_CURSOR_HAND);
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}
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static GimpChannel *
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gimp_by_color_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 *options = GIMP_SELECTION_TOOL_GET_OPTIONS (tool);
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GimpDrawable *drawable;
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GimpPickable *pickable;
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guchar *col;
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gint x, y;
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drawable = gimp_image_active_drawable (display->image);
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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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gint off_x, off_y;
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gimp_item_offsets (GIMP_ITEM (drawable), &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 (drawable);
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}
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else
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{
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pickable = GIMP_PICKABLE (display->image->projection);
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}
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gimp_pickable_flush (pickable);
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col = gimp_pickable_get_color_at (pickable, x, y);
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if (col)
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{
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GimpRGB color;
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gimp_rgba_set_uchar (&color, col[0], col[1], col[2], col[3]);
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g_free (col);
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return gimp_image_contiguous_region_by_color (display->image, drawable,
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options->sample_merged,
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options->antialias,
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options->threshold,
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options->select_transparent,
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options->select_criterion,
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&color);
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}
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return NULL;
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}
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