bc3d914ccd
* clutter/Makefile.am: * clutter/clutter-alpha.c: * clutter/clutter-alpha.h: * clutter/clutter-behaviours.c: (clutter_behaviour_opacity_dispose), (clutter_behaviour_opacity_init), (clutter_behaviour_opacity_frame_foreach), (clutter_behaviour_opacity_frame): * clutter/clutter-behaviours.h: * clutter/clutter-timeline.c: (clutter_timeline_class_init): * clutter/clutter-timeline.h: * clutter/clutter.h: * examples/behave.c: (main): Separate alpha calculation into its own class. * clutter/clutter-behaviour.c: (clutter_behaviour_set_timelime): Correct NULL check.
119 lines
3.0 KiB
C
119 lines
3.0 KiB
C
/*
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* Clutter.
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*
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* An OpenGL based 'interactive canvas' library.
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*
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* Authored By Matthew Allum <mallum@openedhand.com>
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* Jorn Baayen <jorn@openedhand.com>
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*
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* Copyright (C) 2006 OpenedHand
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef _HAVE_CLUTTER_ALPHA_H
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#define _HAVE_CLUTTER_ALPHA_H
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/* clutter-alpha.h */
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#include <glib-object.h>
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#include "clutter-timeline.h"
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_ALPHA clutter_alpha_get_type()
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#define CLUTTER_ALPHA(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), \
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CLUTTER_TYPE_ALPHA, ClutterAlpha))
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#define CLUTTER_ALPHA_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), \
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CLUTTER_TYPE_ALPHA, ClutterAlphaClass))
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#define CLUTTER_IS_ALPHA(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
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CLUTTER_TYPE_ALPHA))
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#define CLUTTER_IS_ALPHA_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), \
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CLUTTER_TYPE_ALPHA))
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#define CLUTTER_ALPHA_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj), \
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CLUTTER_TYPE_ALPHA, ClutterAlphaClass))
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typedef struct _ClutterAlpha ClutterAlpha;
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typedef struct _ClutterAlphaClass ClutterAlphaClass;
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typedef struct ClutterAlphaPrivate ClutterAlphaPrivate;
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typedef guint32 (*ClutterAlphaFunc) (ClutterAlpha *alpha);
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struct _ClutterAlpha
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{
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GObject parent;
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ClutterAlphaPrivate *priv;
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};
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struct _ClutterAlphaClass
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{
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GObjectClass parent_class;
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void (*_clutter_alpha_1) (void);
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void (*_clutter_alpha_2) (void);
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void (*_clutter_alpha_3) (void);
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void (*_clutter_alpha_4) (void);
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void (*_clutter_alpha_5) (void);
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};
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#define CLUTTER_ALPHA_MAX_ALPHA 0xffff
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ClutterAlpha *
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clutter_alpha_new (ClutterTimeline *timeline,
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ClutterAlphaFunc func);
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gint32
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clutter_alpha_get_alpha (ClutterAlpha *alpha);
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void
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clutter_alpha_set_func (ClutterAlpha *alpha,
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ClutterAlphaFunc func);
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void
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clutter_alpha_set_timeline (ClutterAlpha *alpha,
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ClutterTimeline *timeline);
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ClutterTimeline *
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clutter_alpha_get_timeline (ClutterAlpha *alpha);
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guint32
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clutter_alpha_ramp_inc_func (ClutterAlpha *alpha);
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guint32
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clutter_alpha_ramp_dec_func (ClutterAlpha *alpha);
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guint32
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clutter_alpha_ramp_func (ClutterAlpha *alpha);
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#define CLUTTER_ALPHA_RAMP_INC clutter_alpha_ramp_inc_func
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#define CLUTTER_ALPHA_RAMP_DEC clutter_alpha_ramp_dec_func
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#define CLUTTER_ALPHA_RAMP clutter_alpha_ramp_func
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G_END_DECLS
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#endif
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