02b69e4d76
GCC has some optimization for the inclusion guard, but they only work if the check is the outermost one. We're fairly inconsistent because of historical reasons, so we should ensure that we follow the same pattern in every public header.
159 lines
6.2 KiB
C
159 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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#ifndef __CLUTTER_INTERVAL_H__
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#define __CLUTTER_INTERVAL_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_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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