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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_BACKGROUNDCOLORPRIMITIVE2D_HXX
      21             : #define INCLUDED_DRAWINGLAYER_PRIMITIVE2D_BACKGROUNDCOLORPRIMITIVE2D_HXX
      22             : 
      23             : #include <drawinglayer/drawinglayerdllapi.h>
      24             : 
      25             : #include <drawinglayer/primitive2d/baseprimitive2d.hxx>
      26             : #include <basegfx/color/bcolor.hxx>
      27             : 
      28             : //////////////////////////////////////////////////////////////////////////////
      29             : // BackgroundColorPrimitive2D class
      30             : 
      31             : namespace drawinglayer
      32             : {
      33             :     namespace primitive2d
      34             :     {
      35             :         /** BackgroundColorPrimitive2D class
      36             : 
      37             :             This primitive is defined to fill the whole visible Viewport with
      38             :             the given color (and thus decomposes to a filled polygon). This
      39             :             makes it a view-depnendent primitive by definition. It only has
      40             :             a valid decomposition if a valid Viewport is given in the
      41             :             ViewInformation2D at decomposition time.
      42             : 
      43             :             It will try to buffer it's last decomposition using maLastViewport
      44             :             to detect changes in the get2DDecomposition call.
      45             :          */
      46           4 :         class DRAWINGLAYER_DLLPUBLIC BackgroundColorPrimitive2D : public BufferedDecompositionPrimitive2D
      47             :         {
      48             :         private:
      49             :             /// the fill color to use
      50             :             basegfx::BColor                             maBColor;
      51             : 
      52             :             /// the last used viewInformation, used from getDecomposition for buffering
      53             :             basegfx::B2DRange                           maLastViewport;
      54             : 
      55             :         protected:
      56             :             /// create local decomposition
      57             :             virtual Primitive2DSequence create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const;
      58             : 
      59             :         public:
      60             :             /// constructor
      61             :             explicit BackgroundColorPrimitive2D(
      62             :                 const basegfx::BColor& rBColor);
      63             : 
      64             :             /// data read access
      65           8 :             const basegfx::BColor& getBColor() const { return maBColor; }
      66             : 
      67             :             /// compare operator
      68             :             virtual bool operator==(const BasePrimitive2D& rPrimitive) const;
      69             : 
      70             :             /// get B2Drange
      71             :             virtual basegfx::B2DRange getB2DRange(const geometry::ViewInformation2D& rViewInformation) const;
      72             : 
      73             :             /// provide unique ID
      74             :             DeclPrimitrive2DIDBlock()
      75             : 
      76             :             /// Overload standard getDecomposition call to be view-dependent here
      77             :             virtual Primitive2DSequence get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const;
      78             :         };
      79             :     } // end of namespace primitive2d
      80             : } // end of namespace drawinglayer
      81             : 
      82             : //////////////////////////////////////////////////////////////////////////////
      83             : 
      84             : #endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_BACKGROUNDCOLORPRIMITIVE2D_HXX
      85             : 
      86             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */