61 lines
2.0 KiB
C++
61 lines
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_CPPCANVAS_BITMAPCANVAS_HXX
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#define INCLUDED_CPPCANVAS_BITMAPCANVAS_HXX
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#include <sal/types.h>
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#include <osl/diagnose.h>
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#include <boost/shared_ptr.hpp>
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#include <basegfx/vector/b2isize.hxx>
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#include <cppcanvas/canvas.hxx>
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/* Definition of BitmapCanvas */
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namespace cppcanvas
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{
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class BitmapCanvas;
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// forward declaration, since cloneBitmapCanvas() also references BitmapCanvas
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typedef ::boost::shared_ptr< BitmapCanvas > BitmapCanvasSharedPtr;
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/** BitmapCanvas interface
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*/
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class BitmapCanvas : public virtual Canvas
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{
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public:
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virtual ::basegfx::B2ISize getSize() const = 0;
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// shared_ptr does not allow for covariant return types
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BitmapCanvasSharedPtr cloneBitmapCanvas() const
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{
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BitmapCanvasSharedPtr p( ::boost::dynamic_pointer_cast< BitmapCanvas >(this->clone()) );
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OSL_ENSURE(p.get(), "BitmapCanvas::cloneBitmapCanvas(): dynamic cast failed");
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return p;
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}
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};
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}
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#endif // INCLUDED_CPPCANVAS_BITMAPCANVAS_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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