mutter/clutter/clutter-alpha.h
Emmanuele Bassi a32eca26b6 2008-10-30 Emmanuele Bassi <ebassi@linux.intel.com>
Bug 1212 - Allow only a single include file for Clutter

	* clutter/*.h: Only allow including clutter.h in third
	party code.

	* clutter/cogl/cogl-color.h:
	* clutter/cogl/cogl-fixed.h:
	* clutter/cogl/cogl.h.in: Only allow including cogl.h in
	third party code.

	* clutter/cogl/common/Makefile.am:
	* clutter/cogl/gl/Makefile.am:
	* clutter/cogl/gles/Makefile.am:
	* clutter/eglnative/Makefile.am:
	* clutter/eglx/Makefile.am:
	* clutter/fruity/Makefile.am:
	* clutter/glx/Makefile.am:
	* clutter/glx/clutter-glx.h:
	* clutter/osx/Makefile.am:
	* clutter/pango/Makefile.am:
	* clutter/sdl/Makefile.am:
	* clutter/win32/Makefile.am:
	* clutter/x11/Makefile.am: Fix build environment.

	* clutter/x11/clutter-x11-texture-pixmap.h:
	* clutter/x11/clutter-x11.h: Fix inclusion rules.

	* tests/test-pixmap.c: Fix inclusion of GdkPixbuf header.

	* README: Update release notes.
2008-10-30 17:04:34 +00:00

186 lines
6.4 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, 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 <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;
/**
* ClutterAlphaFunc:
* @alpha: a #ClutterAlpha
* @user_data: user data passed to the function
*
* A function of time, which returns a value between 0 and
* %CLUTTER_ALPHA_MAX_ALPHA.
*
* Return value: an unsigned integer value, between 0 and
* %CLUTTER_ALPHA_MAX_ALPHA.
*
* Since: 0.2
*/
typedef guint32 (*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);
};
/**
* CLUTTER_ALPHA_MAX_ALPHA:
*
* Maximum value returned by #ClutterAlphaFunc
*
* Since: 0.2
*/
#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_closure (ClutterAlpha *alpha,
GClosure *closure);
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_INC clutter_smoothstep_inc_func
#define CLUTTER_ALPHA_SMOOTHSTEP_DEC clutter_smoothstep_dec_func
#define CLUTTER_ALPHA_EXP_INC clutter_exp_inc_func
#define CLUTTER_ALPHA_EXP_DEC clutter_exp_dec_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_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_inc_func (ClutterAlpha *alpha,
gpointer dummy);
guint32 clutter_smoothstep_dec_func (ClutterAlpha *alpha,
gpointer dummy);
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__ */