160 lines
6.2 KiB
C
160 lines
6.2 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) 2008 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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#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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#ifndef __CLUTTER_INTERVAL_H__
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#define __CLUTTER_INTERVAL_H__
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#include <clutter/clutter-types.h>
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_INTERVAL (clutter_interval_get_type ())
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#define CLUTTER_INTERVAL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_INTERVAL, ClutterInterval))
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#define CLUTTER_IS_INTERVAL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_INTERVAL))
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#define CLUTTER_INTERVAL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_INTERVAL, ClutterIntervalClass))
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#define CLUTTER_IS_INTERVAL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_INTERVAL))
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#define CLUTTER_INTERVAL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_INTERVAL, ClutterIntervalClass))
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typedef struct _ClutterIntervalPrivate ClutterIntervalPrivate;
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typedef struct _ClutterIntervalClass ClutterIntervalClass;
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/**
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* ClutterInterval:
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*
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* The #ClutterInterval structure contains only private data and should
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* be accessed using the provided functions.
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*
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* Since: 1.0
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*/
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struct _ClutterInterval
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{
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/*< private >*/
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GInitiallyUnowned parent_instance;
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ClutterIntervalPrivate *priv;
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};
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/**
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* ClutterIntervalClass:
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* @validate: virtual function for validating an interval
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* using a #GParamSpec
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* @compute_value: virtual function for computing the value
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* inside an interval using an adimensional factor between 0 and 1
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*
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* The #ClutterIntervalClass contains only private data.
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*
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* Since: 1.0
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*/
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struct _ClutterIntervalClass
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{
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/*< private >*/
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GInitiallyUnownedClass parent_class;
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/*< public >*/
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gboolean (* validate) (ClutterInterval *interval,
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GParamSpec *pspec);
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gboolean (* compute_value) (ClutterInterval *interval,
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gdouble factor,
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GValue *value);
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/*< private >*/
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/* padding for future expansion */
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void (*_clutter_reserved1) (void);
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void (*_clutter_reserved2) (void);
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void (*_clutter_reserved3) (void);
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void (*_clutter_reserved4) (void);
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void (*_clutter_reserved5) (void);
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void (*_clutter_reserved6) (void);
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};
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CLUTTER_AVAILABLE_IN_1_0
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GType clutter_interval_get_type (void) G_GNUC_CONST;
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CLUTTER_AVAILABLE_IN_1_0
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ClutterInterval *clutter_interval_new (GType gtype,
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...);
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CLUTTER_AVAILABLE_IN_1_0
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ClutterInterval *clutter_interval_new_with_values (GType gtype,
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const GValue *initial,
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const GValue *final);
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CLUTTER_AVAILABLE_IN_1_0
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ClutterInterval *clutter_interval_clone (ClutterInterval *interval);
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CLUTTER_AVAILABLE_IN_1_0
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GType clutter_interval_get_value_type (ClutterInterval *interval);
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CLUTTER_AVAILABLE_IN_1_10
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void clutter_interval_set_initial (ClutterInterval *interval,
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...);
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CLUTTER_AVAILABLE_IN_1_0
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void clutter_interval_set_initial_value (ClutterInterval *interval,
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const GValue *value);
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CLUTTER_AVAILABLE_IN_1_0
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void clutter_interval_get_initial_value (ClutterInterval *interval,
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GValue *value);
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CLUTTER_AVAILABLE_IN_1_0
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GValue * clutter_interval_peek_initial_value (ClutterInterval *interval);
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CLUTTER_AVAILABLE_IN_1_10
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void clutter_interval_set_final (ClutterInterval *interval,
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...);
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CLUTTER_AVAILABLE_IN_1_0
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void clutter_interval_set_final_value (ClutterInterval *interval,
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const GValue *value);
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CLUTTER_AVAILABLE_IN_1_0
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void clutter_interval_get_final_value (ClutterInterval *interval,
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GValue *value);
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CLUTTER_AVAILABLE_IN_1_0
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GValue * clutter_interval_peek_final_value (ClutterInterval *interval);
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CLUTTER_AVAILABLE_IN_1_0
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void clutter_interval_set_interval (ClutterInterval *interval,
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...);
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CLUTTER_AVAILABLE_IN_1_0
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void clutter_interval_get_interval (ClutterInterval *interval,
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...);
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CLUTTER_AVAILABLE_IN_1_0
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gboolean clutter_interval_validate (ClutterInterval *interval,
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GParamSpec *pspec);
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CLUTTER_AVAILABLE_IN_1_0
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gboolean clutter_interval_compute_value (ClutterInterval *interval,
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gdouble factor,
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GValue *value);
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CLUTTER_AVAILABLE_IN_1_4
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const GValue * clutter_interval_compute (ClutterInterval *interval,
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gdouble factor);
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CLUTTER_AVAILABLE_IN_1_12
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gboolean clutter_interval_is_valid (ClutterInterval *interval);
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G_END_DECLS
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#endif /* __CLUTTER_INTERVAL_H__ */
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