mutter/clutter/clutter/clutter-animatable.h

98 lines
3.9 KiB
C

/*
* 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>
*/
#pragma once
#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
#error "Only <clutter/clutter.h> can be included directly."
#endif
#include "clutter/clutter-types.h"
G_BEGIN_DECLS
#define CLUTTER_TYPE_ANIMATABLE (clutter_animatable_get_type ())
CLUTTER_EXPORT
G_DECLARE_INTERFACE (ClutterAnimatable, clutter_animatable,
CLUTTER, ANIMATABLE,
GObject)
/**
* ClutterAnimatableInterface:
* @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
* @interpolate_value: virtual function for interpolating the progress
* of a property
* @get_actor: virtual function for getting associated actor
*/
struct _ClutterAnimatableInterface
{
/*< private >*/
GTypeInterface parent_iface;
/*< public >*/
GParamSpec *(* find_property) (ClutterAnimatable *animatable,
const gchar *property_name);
void (* get_initial_state) (ClutterAnimatable *animatable,
const gchar *property_name,
GValue *value);
void (* set_final_state) (ClutterAnimatable *animatable,
const gchar *property_name,
const GValue *value);
gboolean (* interpolate_value) (ClutterAnimatable *animatable,
const gchar *property_name,
ClutterInterval *interval,
gdouble progress,
GValue *value);
ClutterActor * (* get_actor) (ClutterAnimatable *animatable);
};
CLUTTER_EXPORT
GParamSpec *clutter_animatable_find_property (ClutterAnimatable *animatable,
const gchar *property_name);
CLUTTER_EXPORT
void clutter_animatable_get_initial_state (ClutterAnimatable *animatable,
const gchar *property_name,
GValue *value);
CLUTTER_EXPORT
void clutter_animatable_set_final_state (ClutterAnimatable *animatable,
const gchar *property_name,
const GValue *value);
CLUTTER_EXPORT
gboolean clutter_animatable_interpolate_value (ClutterAnimatable *animatable,
const gchar *property_name,
ClutterInterval *interval,
gdouble progress,
GValue *value);
CLUTTER_EXPORT
ClutterActor * clutter_animatable_get_actor (ClutterAnimatable *animatable);
G_END_DECLS