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/* gnome-bg-crossfade.h - fade window background between two surfaces
Copyright 2008, Red Hat, Inc.
This file is part of the Gnome Library.
The Gnome Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The Gnome 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the Gnome Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
Author: Ray Strode <rstrode@redhat.com>
*/
#ifndef __GNOME_BG_CROSSFADE_H__
#define __GNOME_BG_CROSSFADE_H__
#ifndef GNOME_DESKTOP_USE_UNSTABLE_API
#error GnomeBGCrossfade is unstable API. You must define GNOME_DESKTOP_USE_UNSTABLE_API before including gnome-bg-crossfade.h
#endif
#include <gdk/gdk.h>
G_BEGIN_DECLS
#define GNOME_TYPE_BG_CROSSFADE (gnome_bg_crossfade_get_type ())
#define GNOME_BG_CROSSFADE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GNOME_TYPE_BG_CROSSFADE, GnomeBGCrossfade))
#define GNOME_BG_CROSSFADE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GNOME_TYPE_BG_CROSSFADE, GnomeBGCrossfadeClass))
#define GNOME_IS_BG_CROSSFADE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GNOME_TYPE_BG_CROSSFADE))
#define GNOME_IS_BG_CROSSFADE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GNOME_TYPE_BG_CROSSFADE))
#define GNOME_BG_CROSSFADE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GNOME_TYPE_BG_CROSSFADE, GnomeBGCrossfadeClass))
typedef struct _GnomeBGCrossfadePrivate GnomeBGCrossfadePrivate;
typedef struct _GnomeBGCrossfade GnomeBGCrossfade;
typedef struct _GnomeBGCrossfadeClass GnomeBGCrossfadeClass;
struct _GnomeBGCrossfade
{
GObject parent_object;
GnomeBGCrossfadePrivate *priv;
};
struct _GnomeBGCrossfadeClass
{
GObjectClass parent_class;
void (* finished) (GnomeBGCrossfade *fade, GdkWindow *window);
};
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GnomeBGCrossfade, g_object_unref)
GType gnome_bg_crossfade_get_type (void);
GnomeBGCrossfade *gnome_bg_crossfade_new (int width, int height);
gboolean gnome_bg_crossfade_set_start_surface (GnomeBGCrossfade *fade,
cairo_surface_t *surface);
gboolean gnome_bg_crossfade_set_end_surface (GnomeBGCrossfade *fade,
cairo_surface_t *surface);
void gnome_bg_crossfade_start (GnomeBGCrossfade *fade,
GdkWindow *window);
gboolean gnome_bg_crossfade_is_started (GnomeBGCrossfade *fade);
void gnome_bg_crossfade_stop (GnomeBGCrossfade *fade);
G_END_DECLS
#endif
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