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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_cppcanvas.hxx"
30 
31 #include <canvasgraphichelper.hxx>
32 
33 #include <com/sun/star/rendering/XGraphicDevice.hpp>
34 #include <com/sun/star/rendering/XCanvas.hpp>
35 #include <com/sun/star/rendering/XPolyPolygon2D.hpp>
36 
37 #include <canvas/canvastools.hxx>
38 #include <basegfx/tools/canvastools.hxx>
39 #include <basegfx/matrix/b2dhommatrix.hxx>
40 
41 #include <cppcanvas/polypolygon.hxx>
42 #include "tools.hxx"
43 
44 
45 using namespace ::com::sun::star;
46 
47 /* Implementation of CanvasGraphicHelper class */
48 
49 namespace cppcanvas
50 {
51 
52     namespace internal
53     {
54         CanvasGraphicHelper::CanvasGraphicHelper( const CanvasSharedPtr& rParentCanvas ) :
55             maClipPolyPolygon(),
56             mpCanvas( rParentCanvas ),
57             mxGraphicDevice()
58         {
59             OSL_ENSURE( mpCanvas.get() != NULL &&
60                         mpCanvas->getUNOCanvas().is(),
61                         "CanvasGraphicHelper::CanvasGraphicHelper: no valid canvas" );
62 
63             if( mpCanvas.get() != NULL &&
64                 mpCanvas->getUNOCanvas().is() )
65             {
66                 mxGraphicDevice = mpCanvas->getUNOCanvas()->getDevice();
67             }
68 
69             ::canvas::tools::initRenderState( maRenderState );
70         }
71 
72         void CanvasGraphicHelper::setTransformation( const ::basegfx::B2DHomMatrix& rMatrix )
73         {
74             ::canvas::tools::setRenderStateTransform( maRenderState, rMatrix );
75         }
76 
77         ::basegfx::B2DHomMatrix CanvasGraphicHelper::getTransformation() const
78         {
79             ::basegfx::B2DHomMatrix aMatrix;
80             return ::canvas::tools::getRenderStateTransform( aMatrix,
81                                                              maRenderState );
82         }
83 
84         void CanvasGraphicHelper::setClip( const ::basegfx::B2DPolyPolygon& rClipPoly )
85         {
86             // TODO(T3): not thread-safe. B2DPolyPolygon employs copy-on-write
87             maClipPolyPolygon.reset( rClipPoly );
88             maRenderState.Clip.clear();
89         }
90 
91         void CanvasGraphicHelper::setClip()
92         {
93             maClipPolyPolygon.reset();
94             maRenderState.Clip.clear();
95         }
96 
97         ::basegfx::B2DPolyPolygon const* CanvasGraphicHelper::getClip() const
98         {
99             return !maClipPolyPolygon ? NULL : &(*maClipPolyPolygon);
100         }
101 
102         const rendering::RenderState& CanvasGraphicHelper::getRenderState() const
103         {
104             if( maClipPolyPolygon && !maRenderState.Clip.is() )
105             {
106                 uno::Reference< rendering::XCanvas > xCanvas( mpCanvas->getUNOCanvas() );
107                 if( !xCanvas.is() )
108                     return maRenderState;
109 
110                 maRenderState.Clip = ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon(
111                     xCanvas->getDevice(),
112                     *maClipPolyPolygon );
113             }
114 
115             return maRenderState;
116         }
117 
118         void CanvasGraphicHelper::setRGBAColor( Color::IntSRGBA aColor )
119         {
120             maRenderState.DeviceColor = tools::intSRGBAToDoubleSequence( mxGraphicDevice,
121                                                                          aColor );
122         }
123 
124         Color::IntSRGBA CanvasGraphicHelper::getRGBAColor() const
125         {
126             return tools::doubleSequenceToIntSRGBA( mxGraphicDevice,
127                                                     maRenderState.DeviceColor );
128         }
129 
130         void CanvasGraphicHelper::setCompositeOp( CompositeOp aOp )
131         {
132             maRenderState.CompositeOperation = (sal_Int8)aOp;
133         }
134 
135         CanvasGraphic::CompositeOp CanvasGraphicHelper::getCompositeOp() const
136         {
137             return static_cast<CompositeOp>(maRenderState.CompositeOperation);
138         }
139 
140         CanvasSharedPtr CanvasGraphicHelper::getCanvas() const
141         {
142             return mpCanvas;
143         }
144 
145         uno::Reference< rendering::XGraphicDevice >	CanvasGraphicHelper::getGraphicDevice() const
146         {
147             return mxGraphicDevice;
148         }
149 
150     }
151 }
152