Files
sysprof/src/libsysprof-ui/sysprof-cairo.c
2019-05-29 15:13:00 -07:00

72 lines
2.0 KiB
C

/* 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);
}