/* PIKA - Photo and Image Kooker Application
 * a rebranding of The GNU Image Manipulation Program (created with heckimp)
 * A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
 *
 * Original copyright, applying to most contents (license remains unchanged): 
 * Copyright (C) 1995 Spencer Kimball and Peter Mattis
 *
 * 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 <gegl.h>
#include <gtk/gtk.h>

#include "libpikawidgets/pikawidgets.h"

#include "tools-types.h"

#include "core/pikachannel-select.h"
#include "core/pikaimage.h"

#include "widgets/pikahelp-ids.h"

#include "display/pikadisplay.h"

#include "pikaellipseselecttool.h"
#include "pikarectangleselectoptions.h"
#include "pikatoolcontrol.h"

#include "pika-intl.h"


static void   pika_ellipse_select_tool_select (PikaRectangleSelectTool *rect_tool,
                                               PikaChannelOps           operation,
                                               gint                     x,
                                               gint                     y,
                                               gint                     w,
                                               gint                     h);


G_DEFINE_TYPE (PikaEllipseSelectTool, pika_ellipse_select_tool,
               PIKA_TYPE_RECTANGLE_SELECT_TOOL)

#define parent_class pika_ellipse_select_tool_parent_class


void
pika_ellipse_select_tool_register (PikaToolRegisterCallback  callback,
                                   gpointer                  data)
{
  (* callback) (PIKA_TYPE_ELLIPSE_SELECT_TOOL,
                PIKA_TYPE_RECTANGLE_SELECT_OPTIONS,
                pika_rectangle_select_options_gui,
                0,
                "pika-ellipse-select-tool",
                _("Ellipse Select"),
                _("Ellipse Select Tool: Select an elliptical region"),
                N_("_Ellipse Select"), "E",
                NULL, PIKA_HELP_TOOL_ELLIPSE_SELECT,
                PIKA_ICON_TOOL_ELLIPSE_SELECT,
                data);
}

static void
pika_ellipse_select_tool_class_init (PikaEllipseSelectToolClass *klass)
{
  PikaRectangleSelectToolClass *rect_tool_class;

  rect_tool_class = PIKA_RECTANGLE_SELECT_TOOL_CLASS (klass);

  rect_tool_class->select       = pika_ellipse_select_tool_select;
  rect_tool_class->draw_ellipse = TRUE;
}

static void
pika_ellipse_select_tool_init (PikaEllipseSelectTool *ellipse_select)
{
  PikaTool *tool = PIKA_TOOL (ellipse_select);

  pika_tool_control_set_tool_cursor (tool->control,
                                     PIKA_TOOL_CURSOR_ELLIPSE_SELECT);
}

static void
pika_ellipse_select_tool_select (PikaRectangleSelectTool *rect_tool,
                                 PikaChannelOps           operation,
                                 gint                     x,
                                 gint                     y,
                                 gint                     w,
                                 gint                     h)
{
  PikaTool             *tool    = PIKA_TOOL (rect_tool);
  PikaSelectionOptions *options = PIKA_SELECTION_TOOL_GET_OPTIONS (rect_tool);
  PikaImage            *image   = pika_display_get_image (tool->display);

  pika_channel_select_ellipse (pika_image_get_mask (image),
                               x, y, w, h,
                               operation,
                               options->antialias,
                               options->feather,
                               options->feather_radius,
                               options->feather_radius,
                               TRUE);
}