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27 
28 #ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE3D_HATCHTEXTUREPRIMITIVE3D_HXX
29 #define INCLUDED_DRAWINGLAYER_PRIMITIVE3D_HATCHTEXTUREPRIMITIVE3D_HXX
30 
31 #include <drawinglayer/primitive3d/textureprimitive3d.hxx>
32 #include <drawinglayer/attribute/fillhatchattribute.hxx>
33 
34 //////////////////////////////////////////////////////////////////////////////
35 
36 namespace drawinglayer
37 {
38 	namespace primitive3d
39 	{
40         /** HatchTexturePrimitive3D class
41 
42             HatchTexturePrimitive3D is derived from GroupPrimitive3D, but implements
43             a decomposition which is complicated enough for buffering. Since the group
44             primitive has no default buffering, it is necessary here to add a local
45             buffering mechanism for the decomposition
46          */
47 		class HatchTexturePrimitive3D : public TexturePrimitive3D
48 		{
49 		private:
50             /// the hatch definition
51 			attribute::FillHatchAttribute					maHatch;
52 
53             /// the buffered decomposed hatch
54             Primitive3DSequence                             maBuffered3DDecomposition;
55 
56 		protected:
57 			/// helper: local decomposition
58 			Primitive3DSequence impCreate3DDecomposition() const;
59 
60 			/// local access methods to maBufferedDecomposition
61 			const Primitive3DSequence& getBuffered3DDecomposition() const { return maBuffered3DDecomposition; }
62 			void setBuffered3DDecomposition(const Primitive3DSequence& rNew) { maBuffered3DDecomposition = rNew; }
63 
64         public:
65             /// constructor
66 			HatchTexturePrimitive3D(
67 				const attribute::FillHatchAttribute& rHatch,
68 				const Primitive3DSequence& rChildren,
69 				const basegfx::B2DVector& rTextureSize,
70 				bool bModulate,
71 				bool bFilter);
72 
73 			/// data read access
74 			const attribute::FillHatchAttribute& getHatch() const { return maHatch; }
75 
76 			/// compare operator
77 			virtual bool operator==(const BasePrimitive3D& rPrimitive) const;
78 
79 			/// local decomposition.
80 			virtual Primitive3DSequence get3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const;
81 
82             /// provide unique ID
83 			DeclPrimitrive3DIDBlock()
84 		};
85 	} // end of namespace primitive3d
86 } // end of namespace drawinglayer
87 
88 //////////////////////////////////////////////////////////////////////////////
89 
90 #endif //INCLUDED_DRAWINGLAYER_PRIMITIVE3D_HATCHTEXTUREPRIMITIVE3D_HXX
91 
92 //////////////////////////////////////////////////////////////////////////////
93 // eof
94