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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_DRAWINGLAYER_PROCESSOR2D_VCLHELPERBUFFERDEVICE_HXX
      21             : #define INCLUDED_DRAWINGLAYER_PROCESSOR2D_VCLHELPERBUFFERDEVICE_HXX
      22             : 
      23             : #include <vcl/virdev.hxx>
      24             : 
      25             : //////////////////////////////////////////////////////////////////////////////
      26             : // predefines
      27             : 
      28             : namespace basegfx { class B2DRange; }
      29             : 
      30             : //////////////////////////////////////////////////////////////////////////////
      31             : // support methods for vcl direct gradient renderering
      32             : 
      33             : namespace drawinglayer
      34             : {
      35             :     class impBufferDevice
      36             :     {
      37             :         OutputDevice&                       mrOutDev;
      38             :         VirtualDevice*                      mpContent;
      39             :         VirtualDevice*                      mpMask;
      40             :         VirtualDevice*                      mpAlpha;
      41             :         Rectangle                           maDestPixel;
      42             : 
      43             :     public:
      44             :         impBufferDevice(
      45             :             OutputDevice& rOutDev,
      46             :             const basegfx::B2DRange& rRange,
      47             :             bool bAddOffsetToMapping);
      48             :         ~impBufferDevice();
      49             : 
      50             :         void paint(double fTrans = 0.0);
      51           0 :         bool isVisible() const { return !maDestPixel.IsEmpty(); }
      52             :         VirtualDevice& getContent();
      53             :         VirtualDevice& getMask();
      54             :         VirtualDevice& getTransparence();
      55             :     };
      56             : } // end of namespace drawinglayer
      57             : 
      58             : //////////////////////////////////////////////////////////////////////////////
      59             : 
      60             : #endif // INCLUDED_DRAWINGLAYER_PROCESSOR2D_VCLHELPERBUFFERDEVICE_HXX
      61             : 
      62             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */