xref: /trunk/main/drawinglayer/source/primitive2d/backgroundcolorprimitive2d.cxx (revision 1ecadb572e7010ff3b3382ad9bf179dbc6efadbb)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_drawinglayer.hxx"
30 
31 #include <drawinglayer/primitive2d/backgroundcolorprimitive2d.hxx>
32 #include <basegfx/polygon/b2dpolygon.hxx>
33 #include <basegfx/polygon/b2dpolygontools.hxx>
34 #include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
35 #include <basegfx/tools/canvastools.hxx>
36 #include <drawinglayer/geometry/viewinformation2d.hxx>
37 #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
38 
39 //////////////////////////////////////////////////////////////////////////////
40 
41 using namespace com::sun::star;
42 
43 //////////////////////////////////////////////////////////////////////////////
44 
45 namespace drawinglayer
46 {
47     namespace primitive2d
48     {
49         Primitive2DSequence BackgroundColorPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const
50         {
51             if(!rViewInformation.getViewport().isEmpty())
52             {
53                 const basegfx::B2DPolygon aOutline(basegfx::tools::createPolygonFromRect(rViewInformation.getViewport()));
54                 const Primitive2DReference xRef(new PolyPolygonColorPrimitive2D(basegfx::B2DPolyPolygon(aOutline), getBColor()));
55                 return Primitive2DSequence(&xRef, 1L);
56             }
57             else
58             {
59                 return Primitive2DSequence();
60             }
61         }
62 
63         BackgroundColorPrimitive2D::BackgroundColorPrimitive2D(
64             const basegfx::BColor& rBColor)
65         :   BufferedDecompositionPrimitive2D(),
66             maBColor(rBColor),
67             maLastViewport()
68         {
69         }
70 
71         bool BackgroundColorPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
72         {
73             if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
74             {
75                 const BackgroundColorPrimitive2D& rCompare = (BackgroundColorPrimitive2D&)rPrimitive;
76 
77                 return (getBColor() == rCompare.getBColor());
78             }
79 
80             return false;
81         }
82 
83         basegfx::B2DRange BackgroundColorPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
84         {
85             // always as big as the view
86             return rViewInformation.getViewport();
87         }
88 
89         Primitive2DSequence BackgroundColorPrimitive2D::get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const
90         {
91             ::osl::MutexGuard aGuard( m_aMutex );
92 
93             if(getBuffered2DDecomposition().hasElements() && (maLastViewport != rViewInformation.getViewport()))
94             {
95                 // conditions of last local decomposition have changed, delete
96                 const_cast< BackgroundColorPrimitive2D* >(this)->setBuffered2DDecomposition(Primitive2DSequence());
97             }
98 
99             if(!getBuffered2DDecomposition().hasElements())
100             {
101                 // remember ViewRange
102                 const_cast< BackgroundColorPrimitive2D* >(this)->maLastViewport = rViewInformation.getViewport();
103             }
104 
105             // use parent implementation
106             return BufferedDecompositionPrimitive2D::get2DDecomposition(rViewInformation);
107         }
108 
109         // provide unique ID
110         ImplPrimitrive2DIDBlock(BackgroundColorPrimitive2D, PRIMITIVE2D_ID_BACKGROUNDCOLORPRIMITIVE2D)
111 
112     } // end of namespace primitive2d
113 } // end of namespace drawinglayer
114 
115 //////////////////////////////////////////////////////////////////////////////
116 // eof
117