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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* 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 _CPPCANVAS_BITMAPCANVAS_HXX
#define _CPPCANVAS_BITMAPCANVAS_HXX
#include <sal/types.h>
#include <osl/diagnose.h>
#include <boost/shared_ptr.hpp>
#include <basegfx/vector/b2isize.hxx>
#include <cppcanvas/canvas.hxx>
/* Definition of BitmapCanvas */
namespace cppcanvas
{
class BitmapCanvas;
// forward declaration, since cloneBitmapCanvas() also references BitmapCanvas
typedef ::boost::shared_ptr< BitmapCanvas > BitmapCanvasSharedPtr;
/** BitmapCanvas interface
*/
class BitmapCanvas : public virtual Canvas
{
public:
virtual ::basegfx::B2ISize getSize() const = 0;
// shared_ptr does not allow for covariant return types
BitmapCanvasSharedPtr cloneBitmapCanvas() const
{
BitmapCanvasSharedPtr p( ::boost::dynamic_pointer_cast< BitmapCanvas >(this->clone()) );
OSL_ENSURE(p.get(), "BitmapCanvas::cloneBitmapCanvas(): dynamic cast failed");
return p;
}
};
}
#endif /* _CPPCANVAS_BITMAPCANVAS_HXX */
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