65 lines
2.0 KiB
C++
65 lines
2.0 KiB
C++
/*************************************************************************
|
|
*
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* Copyright 2008 by Sun Microsystems, Inc.
|
|
*
|
|
* OpenOffice.org - a multi-platform office productivity suite
|
|
*
|
|
* $RCSfile: outdevprovider.hxx,v $
|
|
* $Revision: 1.6 $
|
|
*
|
|
* This file is part of OpenOffice.org.
|
|
*
|
|
* OpenOffice.org is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License version 3
|
|
* only, as published by the Free Software Foundation.
|
|
*
|
|
* OpenOffice.org 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 version 3 for more details
|
|
* (a copy is included in the LICENSE file that accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* version 3 along with OpenOffice.org. If not, see
|
|
* <http://www.openoffice.org/license.html>
|
|
* for a copy of the LGPLv3 License.
|
|
*
|
|
************************************************************************/
|
|
|
|
#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 */
|