mirror of
https://github.com/brl/mutter.git
synced 2024-11-25 17:40:40 -05:00
9661bd50b8
* clutter/clutter-alpha.h: * clutter/clutter-alpha.c: Add the square waveform function clutter_square_func() to the precooked alpha functions.
123 lines
4.3 KiB
C
123 lines
4.3 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>
|
|
*
|
|
* Copyright (C) 2006 OpenedHand
|
|
*
|
|
* 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, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef __CLUTTER_ALPHA_H__
|
|
#define __CLUTTER_ALPHA_H__
|
|
|
|
#include <glib-object.h>
|
|
#include <clutter/clutter-timeline.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 _ClutterAlpha ClutterAlpha;
|
|
typedef struct _ClutterAlphaClass ClutterAlphaClass;
|
|
typedef struct _ClutterAlphaPrivate ClutterAlphaPrivate;
|
|
|
|
typedef guint32 (*ClutterAlphaFunc) (ClutterAlpha *alpha,
|
|
gpointer user_data);
|
|
|
|
struct _ClutterAlpha
|
|
{
|
|
/*< private >*/
|
|
GInitiallyUnowned parent;
|
|
ClutterAlphaPrivate *priv;
|
|
};
|
|
|
|
struct _ClutterAlphaClass
|
|
{
|
|
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);
|
|
};
|
|
|
|
|
|
#define CLUTTER_ALPHA_MAX_ALPHA 0xffff
|
|
|
|
GType clutter_alpha_get_type (void) G_GNUC_CONST;
|
|
|
|
ClutterAlpha * clutter_alpha_new (void);
|
|
ClutterAlpha * clutter_alpha_new_full (ClutterTimeline *timeline,
|
|
ClutterAlphaFunc func,
|
|
gpointer data,
|
|
GDestroyNotify destroy);
|
|
guint32 clutter_alpha_get_alpha (ClutterAlpha *alpha);
|
|
void clutter_alpha_set_func (ClutterAlpha *alpha,
|
|
ClutterAlphaFunc func,
|
|
gpointer data,
|
|
GDestroyNotify destroy);
|
|
void clutter_alpha_set_timeline (ClutterAlpha *alpha,
|
|
ClutterTimeline *timeline);
|
|
ClutterTimeline *clutter_alpha_get_timeline (ClutterAlpha *alpha);
|
|
|
|
/* convenience functions */
|
|
#define CLUTTER_ALPHA_RAMP_INC clutter_ramp_inc_func
|
|
#define CLUTTER_ALPHA_RAMP_DEC clutter_ramp_dec_func
|
|
#define CLUTTER_ALPHA_RAMP clutter_ramp_func
|
|
#define CLUTTER_ALPHA_SINE clutter_sine_func
|
|
#define CLUTTER_ALPHA_SQUARE clutter_square_func
|
|
|
|
guint32 clutter_ramp_inc_func (ClutterAlpha *alpha,
|
|
gpointer dummy);
|
|
guint32 clutter_ramp_dec_func (ClutterAlpha *alpha,
|
|
gpointer dummy);
|
|
guint32 clutter_ramp_func (ClutterAlpha *alpha,
|
|
gpointer dummy);
|
|
guint32 clutter_sine_func (ClutterAlpha *alpha,
|
|
gpointer dummy);
|
|
guint32 clutter_square_func (ClutterAlpha *alpha,
|
|
gpointer dummy);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __CLUTTER_ALPHA_H__ */
|