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       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef INCLUDED_CANVAS_SOURCE_VCL_BACKBUFFER_HXX
      21             : #define INCLUDED_CANVAS_SOURCE_VCL_BACKBUFFER_HXX
      22             : 
      23             : #include <vcl/virdev.hxx>
      24             : 
      25             : #include <canvas/vclwrapper.hxx>
      26             : #include "outdevprovider.hxx"
      27             : 
      28             : #include <boost/shared_ptr.hpp>
      29             : 
      30             : 
      31             : namespace vclcanvas
      32             : {
      33             :     /// Background buffer abstraction
      34           0 :     class BackBuffer : public OutDevProvider
      35             :     {
      36             :     public:
      37             :         /** Create a backbuffer for given reference device
      38             : 
      39             :             @param bMonochromeBuffer
      40             :             When false, default depth of reference device is
      41             :             chosen. When true, the buffer will be monochrome, i.e. one
      42             :             bit deep.
      43             :          */
      44             :         BackBuffer( const OutputDevice& rRefDevice,
      45             :                     bool                bMonochromeBuffer=false );
      46             : 
      47             :         virtual OutputDevice&       getOutDev() SAL_OVERRIDE;
      48             :         virtual const OutputDevice& getOutDev() const SAL_OVERRIDE;
      49             : 
      50             :         void setSize( const ::Size& rNewSize );
      51             : 
      52             :     private:
      53             :         ::canvas::vcltools::VCLObject<VirtualDevice>    maVDev;
      54             :     };
      55             : 
      56             :     typedef ::boost::shared_ptr< BackBuffer > BackBufferSharedPtr;
      57             : }
      58             : 
      59             : #endif // INCLUDED_CANVAS_SOURCE_VCL_BACKBUFFER_HXX
      60             : 
      61             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */