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| author | Johan B. C. Engelen <jbc.engelen@swissonline.ch> | 2007-12-23 16:35:11 +0000 |
|---|---|---|
| committer | johanengelen <johanengelen@users.sourceforge.net> | 2007-12-23 16:35:11 +0000 |
| commit | beba0c329241a55eb49eb0d55b37a0ca2701b2e4 (patch) | |
| tree | f05832bba9a0f79f3ded57346b17670ed8f4be39 /src/2geom/angle.h | |
| parent | create options for cairo pdf/ps export dialog (diff) | |
| download | inkscape-beba0c329241a55eb49eb0d55b37a0ca2701b2e4.tar.gz inkscape-beba0c329241a55eb49eb0d55b37a0ca2701b2e4.zip | |
update to latest 2geom
(bzr r4281)
Diffstat (limited to 'src/2geom/angle.h')
| -rw-r--r-- | src/2geom/angle.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/2geom/angle.h b/src/2geom/angle.h new file mode 100644 index 000000000..4d548ab49 --- /dev/null +++ b/src/2geom/angle.h @@ -0,0 +1,50 @@ +/**
+ * \file angle.h
+ * \brief Various trigoniometric helper functions
+ *
+ * Authors:
+ * Johan Engelen <goejendaagh@zonnet.nl>
+ *
+ * Copyright (C) 2007 authors
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it either under the terms of the GNU Lesser General Public
+ * License version 2.1 as published by the Free Software Foundation
+ * (the "LGPL") or, at your option, under the terms of the Mozilla
+ * Public License Version 1.1 (the "MPL"). If you do not alter this
+ * notice, a recipient may use your version of this file under either
+ * the MPL or the LGPL.
+ *
+ * You should have received a copy of the LGPL along with this library
+ * in the file COPYING-LGPL-2.1; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * You should have received a copy of the MPL along with this library
+ * in the file COPYING-MPL-1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
+ * OF ANY KIND, either express or implied. See the LGPL or the MPL for
+ * the specific language governing rights and limitations.
+ *
+ */
+
+#ifndef LIB2GEOM_SEEN_ANGLE_H
+#define LIB2GEOM_SEEN_ANGLE_H
+
+namespace Geom {
+
+#ifndef M_PI
+# define M_PI 3.14159265358979323846
+#endif
+
+inline double deg_to_rad(double deg) { return deg*M_PI/180.0;}
+
+inline double rad_to_deg(double rad) { return rad*180.0/M_PI;}
+
+}
+
+#endif
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