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27 
28 #ifndef INCLUDED_DRAWINGLAYER_PROCESSOR3D_GEOMETRY2DEXTRACTOR_HXX
29 #define INCLUDED_DRAWINGLAYER_PROCESSOR3D_GEOMETRY2DEXTRACTOR_HXX
30 
31 #include <drawinglayer/drawinglayerdllapi.h>
32 #include <drawinglayer/processor3d/baseprocessor3d.hxx>
33 #include <drawinglayer/primitive2d/baseprimitive2d.hxx>
34 #include <basegfx/matrix/b2dhommatrix.hxx>
35 #include <basegfx/matrix/b3dhommatrix.hxx>
36 #include <basegfx/color/bcolormodifier.hxx>
37 
38 //////////////////////////////////////////////////////////////////////////////
39 
40 namespace drawinglayer
41 {
42 	namespace processor3d
43 	{
44         /** Geometry2DExtractingProcessor class
45 
46             This processor extracts the 2D geometry (projected geometry) of all feeded primitives.
47             It is e.g. used as sub-processor for contour extraction where 3D geometry is only
48             useful as 2D projected geometry.
49          */
50 		class DRAWINGLAYER_DLLPUBLIC Geometry2DExtractingProcessor : public BaseProcessor3D
51 		{
52 		private:
53 			/// result holding vector (2D)
54 			primitive2d::Primitive2DSequence				maPrimitive2DSequence;
55 
56 			/// object transformation for scene for 2d definition
57 			basegfx::B2DHomMatrix							maObjectTransformation;
58 
59 			/// the modifiedColorPrimitive stack
60 			basegfx::BColorModifierStack					maBColorModifierStack;
61 
62 			/*  as tooling, the process() implementation takes over API handling and calls this
63 			    virtual render method when the primitive implementation is BasePrimitive3D-based.
64              */
65 			virtual void processBasePrimitive3D(const primitive3d::BasePrimitive3D& rCandidate);
66 
67 		public:
68 			Geometry2DExtractingProcessor(
69 				const geometry::ViewInformation3D& rViewInformation,
70 				const basegfx::B2DHomMatrix& rObjectTransformation);
71 
72 			// data read access
73 			const primitive2d::Primitive2DSequence& getPrimitive2DSequence() const { return maPrimitive2DSequence; }
74 			const basegfx::B2DHomMatrix& getObjectTransformation() const { return maObjectTransformation; }
75 			const basegfx::BColorModifierStack& getBColorModifierStack() const { return maBColorModifierStack; }
76 		};
77 	} // end of namespace processor3d
78 } // end of namespace drawinglayer
79 
80 #endif //INCLUDED_DRAWINGLAYER_PROCESSOR3D_GEOMETRY2DEXTRACTOR_HXX
81 
82 // eof
83