1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- */
4 * (GLABELS) Label and Business Card Creation program for GNOME
6 * cairo_ellipse_path.c: Cairo ellipse path module
8 * Copyright (C) 2001-2007 Jim Evins <evins@snaught.com>.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #include "cairo-ellipse-path.h"
34 /*===========================================*/
35 /* Private macros and constants. */
36 /*===========================================*/
40 /*===========================================*/
42 /*===========================================*/
44 /*===========================================*/
46 /*===========================================*/
48 /*===========================================*/
49 /* Local function prototypes */
50 /*===========================================*/
54 /*****************************************************************************/
55 /* Create ellipse path */
56 /*****************************************************************************/
58 gl_cairo_ellipse_path (cairo_t *cr,
65 gl_debug (DEBUG_VIEW, "START");
68 cairo_move_to (cr, 2*rx, ry);
69 for (i_theta = ARC_FINE; i_theta <= 360; i_theta += ARC_FINE) {
70 x = rx + rx * cos (i_theta * G_PI / 180.0);
71 y = ry + ry * sin (i_theta * G_PI / 180.0);
72 cairo_line_to (cr, x, y);
74 cairo_close_path (cr);
76 gl_debug (DEBUG_VIEW, "END");