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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_PRIMITIVE2D_UNIFIEDTRANSPARENCEPRIMITIVE2D_HXX
      21             : #define INCLUDED_DRAWINGLAYER_PRIMITIVE2D_UNIFIEDTRANSPARENCEPRIMITIVE2D_HXX
      22             : 
      23             : #include <drawinglayer/drawinglayerdllapi.h>
      24             : 
      25             : #include <drawinglayer/primitive2d/groupprimitive2d.hxx>
      26             : 
      27             : 
      28             : 
      29             : namespace drawinglayer
      30             : {
      31             :     namespace primitive2d
      32             :     {
      33             :         /** UnifiedTransparencePrimitive2D class
      34             : 
      35             :             This primitive encapsualtes a child hierarchy and defines
      36             :             that it shall be visualized with the given transparency. That
      37             :             transparency is unique for all contained geometry, so that
      38             :             e.g. overlapping polygons in the child geometry will not show
      39             :             regions of combined transparency, but be all rendered with the
      40             :             defined, single transparency.
      41             :          */
      42        4730 :         class DRAWINGLAYER_DLLPUBLIC UnifiedTransparencePrimitive2D : public GroupPrimitive2D
      43             :         {
      44             :         private:
      45             :             /// the unified transparence
      46             :             double                              mfTransparence;
      47             : 
      48             :         public:
      49             :             /// constructor
      50             :             UnifiedTransparencePrimitive2D(
      51             :                 const Primitive2DSequence& rChildren,
      52             :                 double fTransparence);
      53             : 
      54             :             /// data read access
      55        8071 :             double getTransparence() const { return mfTransparence; }
      56             : 
      57             :             /// compare operator
      58             :             virtual bool operator==(const BasePrimitive2D& rPrimitive) const SAL_OVERRIDE;
      59             : 
      60             :             /// own getB2DRange implementation to include transparent geometries to BoundRect calculations
      61             :             virtual basegfx::B2DRange getB2DRange(const geometry::ViewInformation2D& rViewInformation) const SAL_OVERRIDE;
      62             : 
      63             :             /// create decomposition
      64             :             virtual Primitive2DSequence get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const SAL_OVERRIDE;
      65             : 
      66             :             /// provide unique ID
      67             :             DeclPrimitive2DIDBlock()
      68             :         };
      69             :     } // end of namespace primitive2d
      70             : } // end of namespace drawinglayer
      71             : 
      72             : 
      73             : 
      74             : #endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_UNIFIEDTRANSPARENCEPRIMITIVE2D_HXX
      75             : 
      76             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */