131 lines
4.8 KiB
C
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__ */
|