mutter/clutter/clutter-animatable.h

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/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Copyright (C) 2009 Intel Corporation.
*
* 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/>.
*
* Author:
* Emmanuele Bassi <ebassi@linux.intel.com>
*/
#ifndef __CLUTTER_ANIMATABLE_H__
#define __CLUTTER_ANIMATABLE_H__
#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
#error "Only <clutter/clutter.h> can be included directly."
#endif
#include <clutter/clutter-animation.h>
G_BEGIN_DECLS
#define CLUTTER_TYPE_ANIMATABLE (clutter_animatable_get_type ())
#define CLUTTER_ANIMATABLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_ANIMATABLE, ClutterAnimatable))
#define CLUTTER_IS_ANIMATABLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_ANIMATABLE))
#define CLUTTER_ANIMATABLE_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), CLUTTER_TYPE_ANIMATABLE, ClutterAnimatableIface))
typedef struct _ClutterAnimatable ClutterAnimatable; /* dummy typedef */
typedef struct _ClutterAnimatableIface ClutterAnimatableIface;
/**
* ClutterAnimatable:
*
* #ClutterAnimatable is an opaque structure whose members cannot be directly
* accessed
*
* Since: 1.0
*/
/**
* ClutterAnimatableIface:
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* @animate_property: virtual function for custom interpolation of a
* property
* @find_property: virtual function for retrieving the #GParamSpec of
* an animatable property
* @get_initial_state: virtual function for retrieving the initial
* state of an animatable property
* @set_final_state: virtual function for setting the state of an
* animatable property
*
* Base interface for #GObject<!-- -->s that can be animated by a
* a #ClutterAnimation.
*
* Since: 1.0
*/
struct _ClutterAnimatableIface
{
/*< private >*/
GTypeInterface parent_iface;
/*< public >*/
gboolean (* animate_property) (ClutterAnimatable *animatable,
ClutterAnimation *animation,
const gchar *property_name,
const GValue *initial_value,
const GValue *final_value,
gdouble progress,
GValue *value);
GParamSpec *(* find_property) (ClutterAnimatable *animatable,
ClutterAnimation *animation,
const gchar *property_name);
void (* get_initial_state) (ClutterAnimatable *animatable,
ClutterAnimation *animation,
const gchar *property_name,
GValue *value);
void (* set_final_state) (ClutterAnimatable *animatable,
ClutterAnimation *animation,
const gchar *property_name,
const GValue *value);
};
GType clutter_animatable_get_type (void) G_GNUC_CONST;
gboolean clutter_animatable_animate_property (ClutterAnimatable *animatable,
ClutterAnimation *animation,
const gchar *property_name,
const GValue *initial_value,
const GValue *final_value,
gdouble progress,
GValue *value);
GParamSpec *clutter_animatable_find_property (ClutterAnimatable *animatable,
ClutterAnimation *animation,
const gchar *property_name);
void clutter_animatable_get_initial_state (ClutterAnimatable *animatable,
ClutterAnimation *animation,
const gchar *property_name,
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GValue *value);
void clutter_animatable_set_final_state (ClutterAnimatable *animatable,
ClutterAnimation *animation,
const gchar *property_name,
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const GValue *value);
G_END_DECLS
#endif /* __CLUTTER_ANIMATABLE_H__ */