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/**************************************************************
*
* 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
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
#ifndef SD_SLIDESORTER_VIEW_LAYERED_DEVICE_HXX
#define SD_SLIDESORTER_VIEW_LAYERED_DEVICE_HXX
#include "view/SlsILayerPainter.hxx"
#include "SlideSorter.hxx"
#include <tools/gen.hxx>
#include <vcl/region.hxx>
#include <vcl/virdev.hxx>
#include <boost/noncopyable.hpp>
#include <boost/scoped_ptr.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/enable_shared_from_this.hpp>
#include <vector>
class Window;
namespace sd { namespace slidesorter { namespace view {
/** A simple wrapper around an OutputDevice that provides support for
independent layers and buffering.
Each layer may contain any number of painters.
*/
class LayeredDevice
: public ::boost::enable_shared_from_this<LayeredDevice>
{
public:
LayeredDevice (const SharedSdWindow& rpTargetWindow);
~LayeredDevice (void);
void Invalidate (
const Rectangle& rInvalidationBox,
const sal_Int32 nLayer);
void InvalidateAllLayers (
const Rectangle& rInvalidationBox);
void InvalidateAllLayers (
const Region& rInvalidationRegion);
void RegisterPainter (
const SharedILayerPainter& rPainter,
const sal_Int32 nLayer);
void RemovePainter (
const SharedILayerPainter& rPainter,
const sal_Int32 nLayer);
bool HasPainter (const sal_Int32 nLayer);
bool HandleMapModeChange (void);
void Repaint (const Region& rRepaintRegion);
void Resize (void);
void Dispose (void);
private:
SharedSdWindow mpTargetWindow;
class LayerContainer;
::boost::scoped_ptr<LayerContainer> mpLayers;
::boost::scoped_ptr<VirtualDevice> mpBackBuffer;
MapMode maSavedMapMode;
void RepaintRectangle (const Rectangle& rRepaintRectangle);
};
} } } // end of namespace ::sd::slidesorter::view
#endif
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