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/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Authored By Tomas Frydrych <tf@openedhand.com>
*
* Copyright (C) 2006, 2007 OpenedHand
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __CLUTTER_BEZIER_H__
#define __CLUTTER_BEZIER_H__
#include <glib.h>
#include "clutter-types.h"
G_BEGIN_DECLS
/* This is used in _clutter_bezier_advance to represent the full
length of the bezier curve. Anything less than that represents a
fraction of the length */
#define CLUTTER_BEZIER_MAX_LENGTH (1 << 18)
typedef struct _ClutterBezier ClutterBezier;
ClutterBezier *_clutter_bezier_new ();
void _clutter_bezier_free (ClutterBezier * b);
ClutterBezier *_clutter_bezier_clone_and_move (const ClutterBezier *b,
gint x,
gint y);
void _clutter_bezier_advance (const ClutterBezier *b,
gint L,
ClutterKnot *knot);
void _clutter_bezier_init (ClutterBezier *b,
gint x_0, gint y_0,
gint x_1, gint y_1,
gint x_2, gint y_2,
gint x_3, gint y_3);
void _clutter_bezier_adjust (ClutterBezier *b,
ClutterKnot *knot,
guint indx);
guint _clutter_bezier_get_length (const ClutterBezier *b);
G_END_DECLS
#endif /* __CLUTTER_BEZIER_H__ */
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