/* sysprof-cairo.c
 *
 * Copyright 2019 Christian Hergert <chergert@redhat.com>
 *
 * 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 <http://www.gnu.org/licenses/>.
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 */

#include "config.h"

#include "sysprof-ui-private.h"

void
_sysprof_rounded_rectangle (cairo_t            *cr,
                            const GdkRectangle *rect,
                            gint                x_radius,
                            gint                y_radius)
{
  gint x;
  gint y;
  gint width;
  gint height;
  gint x1, x2;
  gint y1, y2;
  gint xr1, xr2;
  gint yr1, yr2;

  g_return_if_fail (cr);
  g_return_if_fail (rect);

  x = rect->x;
  y = rect->y;
  width = rect->width;
  height = rect->height;

  x1 = x;
  x2 = x1 + width;
  y1 = y;
  y2 = y1 + height;

  x_radius = MIN (x_radius, width / 2.0);
  y_radius = MIN (y_radius, width / 2.0);

  xr1 = x_radius;
  xr2 = x_radius / 2.0;
  yr1 = y_radius;
  yr2 = y_radius / 2.0;

  cairo_move_to (cr, x1 + xr1, y1);
  cairo_line_to (cr, x2 - xr1, y1);
  cairo_curve_to (cr, x2 - xr2, y1, x2, y1 + yr2, x2, y1 + yr1);
  cairo_line_to (cr, x2, y2 - yr1);
  cairo_curve_to (cr, x2, y2 - yr2, x2 - xr2, y2, x2 - xr1, y2);
  cairo_line_to (cr, x1 + xr1, y2);
  cairo_curve_to (cr, x1 + xr2, y2, x1, y2 - yr2, x1, y2 - yr1);
  cairo_line_to (cr, x1, y1 + yr1);
  cairo_curve_to (cr, x1, y1 + yr2, x1 + xr2, y1, x1 + xr1, y1);
  cairo_close_path (cr);
}