mutter/clutter/clutter-behaviour-bspline.h

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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/>.
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*/
#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
#error "Only <clutter/clutter.h> can be included directly."
#endif
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#ifndef __CLUTTER_BEHAVIOUR_BSPLINE_H__
#define __CLUTTER_BEHAVIOUR_BSPLINE_H__
#include <clutter/clutter-alpha.h>
#include <clutter/clutter-actor.h>
#include <clutter/clutter-behaviour.h>
G_BEGIN_DECLS
#define CLUTTER_TYPE_BEHAVIOUR_BSPLINE (clutter_behaviour_bspline_get_type ())
#define CLUTTER_BEHAVIOUR_BSPLINE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), \
CLUTTER_TYPE_BEHAVIOUR_BSPLINE, ClutterBehaviourBspline))
#define CLUTTER_BEHAVIOUR_BSPLINE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), \
CLUTTER_TYPE_BEHAVIOUR_BSPLINE, ClutterBehaviourBsplineClass))
#define CLUTTER_IS_BEHAVIOUR_BSPLINE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
CLUTTER_TYPE_BEHAVIOUR_BSPLINE))
#define CLUTTER_IS_BEHAVIOUR_BSPLINE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), \
CLUTTER_TYPE_BEHAVIOUR_BSPLINE))
#define CLUTTER_BEHAVIOUR_BSPLINE_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), \
CLUTTER_TYPE_BEHAVIOUR_BSPLINE, ClutterBehaviourBsplineClass))
typedef struct _ClutterBehaviourBspline ClutterBehaviourBspline;
typedef struct _ClutterBehaviourBsplinePrivate ClutterBehaviourBsplinePrivate;
typedef struct _ClutterBehaviourBsplineClass ClutterBehaviourBsplineClass;
/**
* ClutterBehaviourBspline:
*
* #ClutterBehaviourBspline-struct contains only private data and
* should be accessed using the functions below.
*
* Since: 0.2
*/
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struct _ClutterBehaviourBspline
{
ClutterBehaviour parent_instance;
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ClutterBehaviourBsplinePrivate *priv;
};
/**
* ClutterBehaviourBsplineClass:
* @knot_reached: class handler for the #ClutterBehaviourBspline::knot-reached
* signal
*
* #ClutterBehaviourBsplineClass-struct contains only private data
* and should be accessed using the functions below.
*
* Since: 0.2
*/
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struct _ClutterBehaviourBsplineClass
{
/*< private >*/
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ClutterBehaviourClass parent_class;
/*< public >*/
void (*knot_reached) (ClutterBehaviourBspline *bsplineb,
const ClutterKnot *knot);
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/*< private >*/
/* padding for future expansion */
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void (*_clutter_bspline_1) (void);
void (*_clutter_bspline_2) (void);
void (*_clutter_bspline_3) (void);
void (*_clutter_bspline_4) (void);
};
GType clutter_behaviour_bspline_get_type (void) G_GNUC_CONST;
ClutterBehaviour *clutter_behaviour_bspline_new (ClutterAlpha *alpha,
const ClutterKnot *knots,
guint n_knots);
void clutter_behaviour_bspline_append_knot (ClutterBehaviourBspline *bs,
const ClutterKnot *knot);
void clutter_behaviour_bspline_append_knots (ClutterBehaviourBspline *bs,
const ClutterKnot *first_knot,
...) G_GNUC_NULL_TERMINATED;
void clutter_behaviour_bspline_truncate (ClutterBehaviourBspline *bs,
guint offset);
void clutter_behaviour_bspline_join (ClutterBehaviourBspline *bs1,
ClutterBehaviourBspline *bs2);
ClutterBehaviour *clutter_behaviour_bspline_split (ClutterBehaviourBspline *bs,
guint offset);
void clutter_behaviour_bspline_clear (ClutterBehaviourBspline *bs);
void clutter_behaviour_bspline_adjust (ClutterBehaviourBspline *bs,
guint offset,
ClutterKnot *knot);
void clutter_behaviour_bspline_set_origin (ClutterBehaviourBspline *bs,
ClutterKnot *knot);
void clutter_behaviour_bspline_get_origin (ClutterBehaviourBspline *bs,
ClutterKnot *knot);
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G_END_DECLS
#endif /* __CLUTTER_BEHAVIOUR_BSPLINE_H__ */