/* GIMP - The GNU Image Manipulation Program
 * Copyright (C) 1995 Spencer Kimball and Peter Mattis
 *
 * gimpcanvaslimit.h
 * Copyright (C) 2020 Ell
 *
 * 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/>.
 */

#pragma once

#include "gimpcanvasitem.h"


#define GIMP_TYPE_CANVAS_LIMIT (gimp_canvas_limit_get_type ())
G_DECLARE_DERIVABLE_TYPE (GimpCanvasLimit,
                          gimp_canvas_limit,
                          GIMP, CANVAS_LIMIT,
                          GimpCanvasItem)


struct _GimpCanvasLimitClass
{
  GimpCanvasItemClass  parent_class;
};


GimpCanvasItem * gimp_canvas_limit_new             (GimpDisplayShell *shell,
                                                    GimpLimitType     type,
                                                    gdouble           x,
                                                    gdouble           y,
                                                    gdouble           radius,
                                                    gdouble           aspect_ratio,
                                                    gdouble           angle,
                                                    gboolean          dashed);

void             gimp_canvas_limit_get_radii       (GimpCanvasLimit  *limit,
                                                    gdouble          *rx,
                                                    gdouble          *ry);

gboolean         gimp_canvas_limit_is_inside       (GimpCanvasLimit  *limit,
                                                    gdouble           x,
                                                    gdouble           y);
void             gimp_canvas_limit_boundary_point  (GimpCanvasLimit  *limit,
                                                    gdouble           x,
                                                    gdouble           y,
                                                    gdouble          *bx,
                                                    gdouble          *by);
gdouble          gimp_canvas_limit_boundary_radius (GimpCanvasLimit  *limit,
                                                    gdouble           x,
                                                    gdouble           y);

void             gimp_canvas_limit_center_point    (GimpCanvasLimit  *limit,
                                                    gdouble           x,
                                                    gdouble           y,
                                                    gdouble          *cx,
                                                    gdouble          *cy);
