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mutter-performance-source/clutter/clutter-alpha.h
Emmanuele Bassi b34e89e0c5 Fix duplicate typedef of ClutterAlpha
Caught on OS X but not on my Fedora machine. Weird.
2011-10-11 23:02:17 +01:00

131 lines
4.8 KiB
C

/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Authored By Matthew Allum <mallum@openedhand.com>
* Jorn Baayen <jorn@openedhand.com>
* Emmanuele Bassi <ebassi@openedhand.com>
* Tomas Frydrych <tf@openedhand.com>
*
* Copyright (C) 2006, 2007, 2008 OpenedHand
* Copyright (C) 2009 Intel Corp.
*
* 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/>.
*/
#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
#error "Only <clutter/clutter.h> can be included directly."
#endif
#ifndef __CLUTTER_ALPHA_H__
#define __CLUTTER_ALPHA_H__
#include <clutter/clutter-timeline.h>
#include <clutter/clutter-types.h>
G_BEGIN_DECLS
#define CLUTTER_TYPE_ALPHA (clutter_alpha_get_type ())
#define CLUTTER_ALPHA(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_ALPHA, ClutterAlpha))
#define CLUTTER_ALPHA_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_ALPHA, ClutterAlphaClass))
#define CLUTTER_IS_ALPHA(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_ALPHA))
#define CLUTTER_IS_ALPHA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_ALPHA))
#define CLUTTER_ALPHA_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_ALPHA, ClutterAlphaClass))
typedef struct _ClutterAlphaClass ClutterAlphaClass;
typedef struct _ClutterAlphaPrivate ClutterAlphaPrivate;
/**
* ClutterAlphaFunc:
* @alpha: a #ClutterAlpha
* @user_data: user data passed to the function
*
* A function returning a value depending on the position of
* the #ClutterTimeline bound to @alpha.
*
* Return value: a floating point value
*
* Since: 0.2
*/
typedef gdouble (*ClutterAlphaFunc) (ClutterAlpha *alpha,
gpointer user_data);
/**
* ClutterAlpha:
*
* #ClutterAlpha combines a #ClutterTimeline and a function.
* The contents of the #ClutterAlpha structure are private and should
* only be accessed using the provided API.
*
* Since: 0.2
*/
struct _ClutterAlpha
{
/*< private >*/
GInitiallyUnowned parent;
ClutterAlphaPrivate *priv;
};
/**
* ClutterAlphaClass:
*
* Base class for #ClutterAlpha
*
* Since: 0.2
*/
struct _ClutterAlphaClass
{
/*< private >*/
GInitiallyUnownedClass parent_class;
void (*_clutter_alpha_1) (void);
void (*_clutter_alpha_2) (void);
void (*_clutter_alpha_3) (void);
void (*_clutter_alpha_4) (void);
void (*_clutter_alpha_5) (void);
};
GType clutter_alpha_get_type (void) G_GNUC_CONST;
ClutterAlpha * clutter_alpha_new (void);
ClutterAlpha * clutter_alpha_new_full (ClutterTimeline *timeline,
gulong mode);
ClutterAlpha * clutter_alpha_new_with_func (ClutterTimeline *timeline,
ClutterAlphaFunc func,
gpointer data,
GDestroyNotify destroy);
gdouble clutter_alpha_get_alpha (ClutterAlpha *alpha);
void clutter_alpha_set_func (ClutterAlpha *alpha,
ClutterAlphaFunc func,
gpointer data,
GDestroyNotify destroy);
void clutter_alpha_set_closure (ClutterAlpha *alpha,
GClosure *closure);
void clutter_alpha_set_timeline (ClutterAlpha *alpha,
ClutterTimeline *timeline);
ClutterTimeline *clutter_alpha_get_timeline (ClutterAlpha *alpha);
void clutter_alpha_set_mode (ClutterAlpha *alpha,
gulong mode);
gulong clutter_alpha_get_mode (ClutterAlpha *alpha);
gulong clutter_alpha_register_func (ClutterAlphaFunc func,
gpointer data);
gulong clutter_alpha_register_closure (GClosure *closure);
G_END_DECLS
#endif /* __CLUTTER_ALPHA_H__ */