mirror of https://github.com/GNOME/gimp.git
136 lines
4.6 KiB
C
136 lines
4.6 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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* 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 <http://www.gnu.org/licenses/>.
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*/
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#include "config.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/gimpchannel-select.h"
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#include "core/gimpimage.h"
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#include "widgets/gimphelp-ids.h"
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#include "display/gimpdisplay.h"
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#include "gimpellipseselecttool.h"
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#include "gimprectangleselectoptions.h"
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#include "gimptoolcontrol.h"
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#include "gimp-intl.h"
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static void gimp_ellipse_select_tool_draw (GimpDrawTool *draw_tool);
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static void gimp_ellipse_select_tool_select (GimpRectangleSelectTool *rect_tool,
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GimpChannelOps operation,
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gint x,
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gint y,
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gint w,
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gint h);
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G_DEFINE_TYPE (GimpEllipseSelectTool, gimp_ellipse_select_tool,
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GIMP_TYPE_RECTANGLE_SELECT_TOOL)
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#define parent_class gimp_ellipse_select_tool_parent_class
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void
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gimp_ellipse_select_tool_register (GimpToolRegisterCallback callback,
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gpointer data)
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{
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(* callback) (GIMP_TYPE_ELLIPSE_SELECT_TOOL,
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GIMP_TYPE_RECTANGLE_SELECT_OPTIONS,
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gimp_rectangle_select_options_gui,
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0,
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"gimp-ellipse-select-tool",
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_("Ellipse Select"),
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_("Ellipse Select Tool: Select an elliptical region"),
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N_("_Ellipse Select"), "E",
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NULL, GIMP_HELP_TOOL_ELLIPSE_SELECT,
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GIMP_STOCK_TOOL_ELLIPSE_SELECT,
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data);
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}
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static void
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gimp_ellipse_select_tool_class_init (GimpEllipseSelectToolClass *klass)
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{
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GimpDrawToolClass *draw_tool_class = GIMP_DRAW_TOOL_CLASS (klass);
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GimpRectangleSelectToolClass *rect_tool_class = GIMP_RECTANGLE_SELECT_TOOL_CLASS (klass);
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draw_tool_class->draw = gimp_ellipse_select_tool_draw;
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rect_tool_class->select = gimp_ellipse_select_tool_select;
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}
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static void
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gimp_ellipse_select_tool_init (GimpEllipseSelectTool *ellipse_select)
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{
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GimpTool *tool = GIMP_TOOL (ellipse_select);
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gimp_tool_control_set_tool_cursor (tool->control,
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GIMP_TOOL_CURSOR_ELLIPSE_SELECT);
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}
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static void
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gimp_ellipse_select_tool_draw (GimpDrawTool *draw_tool)
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{
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gint x1, y1, x2, y2;
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GIMP_DRAW_TOOL_CLASS (parent_class)->draw (draw_tool);
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g_object_get (draw_tool,
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"x1", &x1,
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"y1", &y1,
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"x2", &x2,
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"y2", &y2,
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NULL);
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gimp_draw_tool_add_arc (draw_tool,
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FALSE,
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x1, y1,
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x2 - x1, y2 - y1,
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0.0, 2 * G_PI);
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}
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static void
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gimp_ellipse_select_tool_select (GimpRectangleSelectTool *rect_tool,
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GimpChannelOps operation,
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gint x,
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gint y,
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gint w,
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gint h)
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{
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GimpTool *tool = GIMP_TOOL (rect_tool);
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GimpSelectionOptions *options = GIMP_SELECTION_TOOL_GET_OPTIONS (rect_tool);
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GimpImage *image = gimp_display_get_image (tool->display);
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gimp_channel_select_ellipse (gimp_image_get_mask (image),
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x, y, w, h,
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operation,
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options->antialias,
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options->feather,
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options->feather_radius,
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options->feather_radius,
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TRUE);
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}
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