drawinglayer/source/primitive2d/backgroundcolorprimitive2d.cxx

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   5  *  $RCSfile: backgroundcolorprimitive2d.cxx,v $
   6  *
   7  *  $Revision: 1.5 $
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   9  *  last change: $Author: aw $ $Date: 2008-05-27 14:11:20 $
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  11  *  The Contents of this file are made available subject to
  12  *  the terms of GNU Lesser General Public License Version 2.1.
  13  *
  14  *
  15  *    GNU Lesser General Public License Version 2.1
  16  *    =============================================
  17  *    Copyright 2005 by Sun Microsystems, Inc.
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  20  *    This library is free software; you can redistribute it and/or
  21  *    modify it under the terms of the GNU Lesser General Public
  22  *    License version 2.1, as published by the Free Software Foundation.
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  27  *    Lesser General Public License for more details.
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  34  ************************************************************************/
  35
  36 // MARKER(update_precomp.py): autogen include statement, do not remove
  37 #include "precompiled_drawinglayer.hxx"
  38
  39 #include <drawinglayer/primitive2d/backgroundcolorprimitive2d.hxx>
  40 #include <basegfx/polygon/b2dpolygon.hxx>
  41 #include <basegfx/polygon/b2dpolygontools.hxx>
  42 #include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
  43 #include <basegfx/tools/canvastools.hxx>
  44 #include <drawinglayer/geometry/viewinformation2d.hxx>
  45 #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
  46
  47 //////////////////////////////////////////////////////////////////////////////
  48
  49 using namespace com::sun::star;
  50
  51 //////////////////////////////////////////////////////////////////////////////
  52
  53 namespace drawinglayer
  54 {
  55     namespace primitive2d
  56     {
  57         Primitive2DSequence BackgroundColorPrimitive2D::createLocalDecomposition(const geometry::ViewInformation2D& rViewInformation) const
  58         {
  59             if(!rViewInformation.getViewport().isEmpty())
  60             {
  61                 const basegfx::B2DPolygon aOutline(basegfx::tools::createPolygonFromRect(rViewInformation.getViewport()));
  62                 const Primitive2DReference xRef(new PolyPolygonColorPrimitive2D(basegfx::B2DPolyPolygon(aOutline), getBColor()));
  63                 return Primitive2DSequence(&xRef, 1L);
  64             }
  65             else
  66             {
  67                 return Primitive2DSequence();
  68             }
  69         }
  70
  71         BackgroundColorPrimitive2D::BackgroundColorPrimitive2D(
  72             const basegfx::BColor& rBColor)
  73         :       BasePrimitive2D(),
  74             maBColor(rBColor),
  75             maLastViewport()
  76         {
  77         }
  78
  79         bool BackgroundColorPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
  80         {
  81             if(BasePrimitive2D::operator==(rPrimitive))
  82             {
  83                 const BackgroundColorPrimitive2D& rCompare = (BackgroundColorPrimitive2D&)rPrimitive;
  84
  85                 return (getBColor() == rCompare.getBColor());
  86             }
  87
  88             return false;
  89         }
  90
  91         basegfx::B2DRange BackgroundColorPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
  92         {
  93             // always as big as the view
  94             return rViewInformation.getViewport();
  95         }
  96
  97         Primitive2DSequence BackgroundColorPrimitive2D::get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const
  98         {
  99             ::osl::MutexGuard aGuard( m_aMutex );
 100
 101             if(getLocalDecomposition().hasElements() && (maLastViewport != rViewInformation.getViewport()))
 102             {
 103                 // conditions of last local decomposition have changed, delete
 104                 const_cast< BackgroundColorPrimitive2D* >(this)->setLocalDecomposition(Primitive2DSequence());
 105             }
 106
 107             if(!getLocalDecomposition().hasElements())
 108             {
 109                 // remember ViewRange
 110                 const_cast< BackgroundColorPrimitive2D* >(this)->maLastViewport = rViewInformation.getViewport();
 111             }
 112
 113             // use parent implementation
 114             return BasePrimitive2D::get2DDecomposition(rViewInformation);
 115         }
 116
 117         // provide unique ID
 118         ImplPrimitrive2DIDBlock(BackgroundColorPrimitive2D, PRIMITIVE2D_ID_BACKGROUNDCOLORPRIMITIVE2D)
 119
 120     } // end of namespace primitive2d
 121 } // end of namespace drawinglayer
 122
 123 //////////////////////////////////////////////////////////////////////////////
 124 // eof