drawinglayer/source/primitive2d/backgroundcolorprimitive2d.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   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
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  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 #include <drawinglayer/primitive2d/backgroundcolorprimitive2d.hxx>
  21 #include <basegfx/polygon/b2dpolygon.hxx>
  22 #include <basegfx/polygon/b2dpolygontools.hxx>
  23 #include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
  24 #include <basegfx/utils/canvastools.hxx>
  25 #include <drawinglayer/geometry/viewinformation2d.hxx>
  26 #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
  27
  28
  29 using namespace com::sun::star;
  30
  31
  32 namespace drawinglayer
  33 {
  34     namespace primitive2d
  35     {
  36         void BackgroundColorPrimitive2D::create2DDecomposition(Primitive2DContainer& rContainer, const geometry::ViewInformation2D& rViewInformation) const
  37         {
  38             if(!rViewInformation.getViewport().isEmpty())
  39             {
  40                 const basegfx::B2DPolygon aOutline(basegfx::utils::createPolygonFromRect(rViewInformation.getViewport()));
  41                 rContainer.push_back(new PolyPolygonColorPrimitive2D(basegfx::B2DPolyPolygon(aOutline), getBColor()));
  42             }
  43         }
  44
  45         BackgroundColorPrimitive2D::BackgroundColorPrimitive2D(
  46             const basegfx::BColor& rBColor,
  47             double fTransparency)
  48         :   BufferedDecompositionPrimitive2D(),
  49             maBColor(rBColor),
  50             mfTransparency(fTransparency),
  51             maLastViewport()
  52         {
  53         }
  54
  55         bool BackgroundColorPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
  56         {
  57             if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
  58             {
  59                 const BackgroundColorPrimitive2D& rCompare = static_cast<const BackgroundColorPrimitive2D&>(rPrimitive);
  60
  61                 return (getBColor() == rCompare.getBColor() && getTransparency() == rCompare.getTransparency());
  62             }
  63
  64             return false;
  65         }
  66
  67         basegfx::B2DRange BackgroundColorPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
  68         {
  69             // always as big as the view
  70             return rViewInformation.getViewport();
  71         }
  72
  73         void BackgroundColorPrimitive2D::get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const
  74         {
  75             ::osl::MutexGuard aGuard( m_aMutex );
  76
  77             if(!getBuffered2DDecomposition().empty() && (maLastViewport != rViewInformation.getViewport()))
  78             {
  79                 // conditions of last local decomposition have changed, delete
  80                 const_cast< BackgroundColorPrimitive2D* >(this)->setBuffered2DDecomposition(Primitive2DContainer());
  81             }
  82
  83             if(getBuffered2DDecomposition().empty())
  84             {
  85                 // remember ViewRange
  86                 const_cast< BackgroundColorPrimitive2D* >(this)->maLastViewport = rViewInformation.getViewport();
  87             }
  88
  89             // use parent implementation
  90             BufferedDecompositionPrimitive2D::get2DDecomposition(rVisitor, rViewInformation);
  91         }
  92
  93         // provide unique ID
  94         ImplPrimitive2DIDBlock(BackgroundColorPrimitive2D, PRIMITIVE2D_ID_BACKGROUNDCOLORPRIMITIVE2D)
  95
  96     } // end of namespace primitive2d
  97 } // end of namespace drawinglayer
  98
  99 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */