gtk2/gdk/broadway/gdkdrawable-broadway.h
Alexander Larsson db288f3233 [broadway] Ensure gdk_ref_cairo_surface object can be destroyed
If we return a direct ref that is not possible, since we own a ref to it.
This is problematic as the gdkwindow.c code uses destruction to track
outstanding surfaces.

We fix this by returning a subsurface.
2010-11-25 22:09:29 +01:00

75 lines
2.8 KiB
C

/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* 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.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#ifndef __GDK_DRAWABLE_BROADWAY_H__
#define __GDK_DRAWABLE_BROADWAY_H__
#include <gdk/gdkdrawable.h>
G_BEGIN_DECLS
/* Drawable implementation for Broadway
*/
typedef struct _GdkDrawableImplBroadway GdkDrawableImplBroadway;
typedef struct _GdkDrawableImplBroadwayClass GdkDrawableImplBroadwayClass;
#define GDK_TYPE_DRAWABLE_IMPL_BROADWAY (_gdk_drawable_impl_broadway_get_type ())
#define GDK_DRAWABLE_IMPL_BROADWAY(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_DRAWABLE_IMPL_BROADWAY, GdkDrawableImplBroadway))
#define GDK_DRAWABLE_IMPL_BROADWAY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_DRAWABLE_IMPL_BROADWAY, GdkDrawableImplBroadwayClass))
#define GDK_IS_DRAWABLE_IMPL_BROADWAY(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_DRAWABLE_IMPL_BROADWAY))
#define GDK_IS_DRAWABLE_IMPL_BROADWAY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_DRAWABLE_IMPL_BROADWAY))
#define GDK_DRAWABLE_IMPL_BROADWAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_DRAWABLE_IMPL_BROADWAY, GdkDrawableImplBroadwayClass))
struct _GdkDrawableImplBroadway
{
GdkDrawable parent_instance;
GdkDrawable *wrapper;
GdkScreen *screen;
cairo_surface_t *surface;
cairo_surface_t *last_surface;
cairo_surface_t *ref_surface;
};
struct _GdkDrawableImplBroadwayClass
{
GdkDrawableClass parent_class;
};
GType _gdk_drawable_impl_broadway_get_type (void);
/* Note that the following take GdkDrawableImplBroadway, not the wrapper drawable */
void _gdk_broadway_drawable_finish (GdkDrawable *drawable);
void _gdk_broadway_drawable_update_size (GdkDrawable *drawable);
GdkDrawable *gdk_broadway_window_get_drawable_impl (GdkWindow *window);
G_END_DECLS
#endif /* __GDK_DRAWABLE_BROADWAY_H__ */