mutter/clutter/clutter-alpha.h

157 lines
5.5 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 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>
#include <clutter/clutter-fixed.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_SINE_INC clutter_sine_inc_func
#define CLUTTER_ALPHA_SINE_DEC clutter_sine_dec_func
#define CLUTTER_ALPHA_SINE_HALF clutter_sine_half_func
#define CLUTTER_ALPHA_SQUARE clutter_square_func
#define CLUTTER_ALPHA_SMOOTHSTEP clutter_smoothstep_func
#define CLUTTER_ALPHA_EXP_INC clutter_exp_inc_func
#define CLUTTER_ALPHA_EXP_DEC clutter_exp_dec_func
#define CLUTTER_TYPE_SMOOTHSTEP (clutter_smoothstep_get_type ())
typedef struct _ClutterSmoothstep ClutterSmoothstep;
struct _ClutterSmoothstep
{
ClutterFixed min;
ClutterFixed max;
};
ClutterSmoothstep * clutter_smoothstep_copy (const ClutterSmoothstep *smoothstep);
void clutter_smoothstep_free (ClutterSmoothstep *smoothstep);
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_sine_inc_func (ClutterAlpha *alpha,
gpointer dummy);
guint32 clutter_sine_dec_func (ClutterAlpha *alpha,
gpointer dummy);
guint32 clutter_sine_half_func (ClutterAlpha *alpha,
gpointer dummy);
guint32 clutter_square_func (ClutterAlpha *alpha,
gpointer dummy);
guint32 clutter_smoothstep_func (ClutterAlpha *alpha,
gpointer *data);
guint32 clutter_exp_inc_func (ClutterAlpha *alpha,
gpointer dummy);
guint32 clutter_exp_dec_func (ClutterAlpha *alpha,
gpointer dummy);
G_END_DECLS
#endif /* __CLUTTER_ALPHA_H__ */