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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: outdevprovider.hxx,v $
*
* $Revision: 1.5 $
*
* last change: $Author: kz $ $Date: 2005-11-02 13:02:46 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* 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 _VCLCANVAS_OUTDEVPROVIDER_HXX
#define _VCLCANVAS_OUTDEVPROVIDER_HXX
#include <sal/types.h>
#include <boost/shared_ptr.hpp>
class OutputDevice;
namespace vclcanvas
{
/* Definition of OutDevProvider interface */
/** Implementers of this interface provide the CanvasHelper
with its OutputDevice.
This additional level of indirection was necessary, as the
OutputDevice is not an interface. There had to be a mechanism
to detect the moment when an OutputDevice is rendered to
(e.g. for the BitmapBackBuffer).
*/
class OutDevProvider
{
public:
virtual ~OutDevProvider() {}
virtual OutputDevice& getOutDev() = 0;
virtual const OutputDevice& getOutDev() const = 0;
};
typedef ::boost::shared_ptr< OutDevProvider > OutDevProviderSharedPtr;
}
#endif /* _VCLCANVAS_OUTDEVPROVIDER_HXX */
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