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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 INCLUDED_CANVAS_SOURCE_VCL_OUTDEVPROVIDER_HXX
#define INCLUDED_CANVAS_SOURCE_VCL_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 // INCLUDED_CANVAS_SOURCE_VCL_OUTDEVPROVIDER_HXX
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