d77bcb9028
This will be used by ClutterTransition to associate the timeline with an actor, which itself will be used to determine what frame clock should drive the timeline. https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1285
102 lines
4 KiB
C
102 lines
4 KiB
C
/*
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* Clutter.
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*
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* An OpenGL based 'interactive canvas' library.
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*
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* Copyright (C) 2009 Intel Corporation.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Author:
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* Emmanuele Bassi <ebassi@linux.intel.com>
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*/
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#ifndef __CLUTTER_ANIMATABLE_H__
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#define __CLUTTER_ANIMATABLE_H__
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#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
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#error "Only <clutter/clutter.h> can be included directly."
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#endif
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#include <clutter/clutter-types.h>
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_ANIMATABLE (clutter_animatable_get_type ())
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CLUTTER_EXPORT
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G_DECLARE_INTERFACE (ClutterAnimatable, clutter_animatable,
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CLUTTER, ANIMATABLE,
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GObject)
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/**
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* ClutterAnimatableInterface:
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* @find_property: virtual function for retrieving the #GParamSpec of
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* an animatable property
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* @get_initial_state: virtual function for retrieving the initial
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* state of an animatable property
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* @set_final_state: virtual function for setting the state of an
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* animatable property
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* @interpolate_value: virtual function for interpolating the progress
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* of a property
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* @get_actor: virtual function for getting associated actor
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*
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* Since: 1.0
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*/
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struct _ClutterAnimatableInterface
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{
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/*< private >*/
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GTypeInterface parent_iface;
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/*< public >*/
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GParamSpec *(* find_property) (ClutterAnimatable *animatable,
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const gchar *property_name);
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void (* get_initial_state) (ClutterAnimatable *animatable,
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const gchar *property_name,
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GValue *value);
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void (* set_final_state) (ClutterAnimatable *animatable,
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const gchar *property_name,
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const GValue *value);
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gboolean (* interpolate_value) (ClutterAnimatable *animatable,
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const gchar *property_name,
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ClutterInterval *interval,
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gdouble progress,
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GValue *value);
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ClutterActor * (* get_actor) (ClutterAnimatable *animatable);
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};
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CLUTTER_EXPORT
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GParamSpec *clutter_animatable_find_property (ClutterAnimatable *animatable,
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const gchar *property_name);
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CLUTTER_EXPORT
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void clutter_animatable_get_initial_state (ClutterAnimatable *animatable,
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const gchar *property_name,
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GValue *value);
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CLUTTER_EXPORT
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void clutter_animatable_set_final_state (ClutterAnimatable *animatable,
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const gchar *property_name,
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const GValue *value);
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CLUTTER_EXPORT
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gboolean clutter_animatable_interpolate_value (ClutterAnimatable *animatable,
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const gchar *property_name,
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ClutterInterval *interval,
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gdouble progress,
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GValue *value);
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CLUTTER_EXPORT
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ClutterActor * clutter_animatable_get_actor (ClutterAnimatable *animatable);
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G_END_DECLS
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#endif /* __CLUTTER_ANIMATABLE_H__ */
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