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/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Copyright (C) 2008 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_INTERVAL_H__
#define __CLUTTER_INTERVAL_H__
#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_INTERVAL (clutter_interval_get_type ())
#define CLUTTER_INTERVAL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_INTERVAL, ClutterInterval))
#define CLUTTER_IS_INTERVAL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_INTERVAL))
#define CLUTTER_INTERVAL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_INTERVAL, ClutterIntervalClass))
#define CLUTTER_IS_INTERVAL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_INTERVAL))
#define CLUTTER_INTERVAL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_INTERVAL, ClutterIntervalClass))
typedef struct _ClutterIntervalPrivate ClutterIntervalPrivate;
typedef struct _ClutterIntervalClass ClutterIntervalClass;
/**
* ClutterInterval:
*
* The #ClutterInterval structure contains only private data and should
* be accessed using the provided functions.
*
* Since: 1.0
*/
struct _ClutterInterval
{
/*< private >*/
GInitiallyUnowned parent_instance;
ClutterIntervalPrivate *priv;
};
/**
* ClutterIntervalClass:
* @validate: virtual function for validating an interval
* using a #GParamSpec
* @compute_value: virtual function for computing the value
* inside an interval using an adimensional factor between 0 and 1
*
* The #ClutterIntervalClass contains only private data.
*
* Since: 1.0
*/
struct _ClutterIntervalClass
{
/*< private >*/
GInitiallyUnownedClass parent_class;
/*< public >*/
gboolean (* validate) (ClutterInterval *interval,
GParamSpec *pspec);
gboolean (* compute_value) (ClutterInterval *interval,
gdouble factor,
GValue *value);
/*< private >*/
/* padding for future expansion */
void (*_clutter_reserved1) (void);
void (*_clutter_reserved2) (void);
void (*_clutter_reserved3) (void);
void (*_clutter_reserved4) (void);
void (*_clutter_reserved5) (void);
void (*_clutter_reserved6) (void);
};
CLUTTER_AVAILABLE_IN_1_0
GType clutter_interval_get_type (void) G_GNUC_CONST;
CLUTTER_AVAILABLE_IN_1_0
ClutterInterval *clutter_interval_new (GType gtype,
...);
CLUTTER_AVAILABLE_IN_1_0
ClutterInterval *clutter_interval_new_with_values (GType gtype,
const GValue *initial,
const GValue *final);
CLUTTER_AVAILABLE_IN_1_0
ClutterInterval *clutter_interval_clone (ClutterInterval *interval);
CLUTTER_AVAILABLE_IN_1_0
GType clutter_interval_get_value_type (ClutterInterval *interval);
CLUTTER_AVAILABLE_IN_1_10
void clutter_interval_set_initial (ClutterInterval *interval,
...);
CLUTTER_AVAILABLE_IN_1_0
void clutter_interval_set_initial_value (ClutterInterval *interval,
const GValue *value);
CLUTTER_AVAILABLE_IN_1_0
void clutter_interval_get_initial_value (ClutterInterval *interval,
GValue *value);
CLUTTER_AVAILABLE_IN_1_0
GValue * clutter_interval_peek_initial_value (ClutterInterval *interval);
CLUTTER_AVAILABLE_IN_1_10
void clutter_interval_set_final (ClutterInterval *interval,
...);
CLUTTER_AVAILABLE_IN_1_0
void clutter_interval_set_final_value (ClutterInterval *interval,
const GValue *value);
CLUTTER_AVAILABLE_IN_1_0
void clutter_interval_get_final_value (ClutterInterval *interval,
GValue *value);
CLUTTER_AVAILABLE_IN_1_0
GValue * clutter_interval_peek_final_value (ClutterInterval *interval);
CLUTTER_AVAILABLE_IN_1_0
void clutter_interval_set_interval (ClutterInterval *interval,
...);
CLUTTER_AVAILABLE_IN_1_0
void clutter_interval_get_interval (ClutterInterval *interval,
...);
CLUTTER_AVAILABLE_IN_1_0
gboolean clutter_interval_validate (ClutterInterval *interval,
GParamSpec *pspec);
CLUTTER_AVAILABLE_IN_1_0
gboolean clutter_interval_compute_value (ClutterInterval *interval,
gdouble factor,
GValue *value);
CLUTTER_AVAILABLE_IN_1_4
const GValue * clutter_interval_compute (ClutterInterval *interval,
gdouble factor);
CLUTTER_AVAILABLE_IN_1_12
gboolean clutter_interval_is_valid (ClutterInterval *interval);
G_END_DECLS
#endif /* __CLUTTER_INTERVAL_H__ */
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