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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#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 */
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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