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21 
22 
23 
24 #ifndef INCLUDED_DRAWINGLAYER_PROCESSOR3D_GEOMETRY2DEXTRACTOR_HXX
25 #define INCLUDED_DRAWINGLAYER_PROCESSOR3D_GEOMETRY2DEXTRACTOR_HXX
26 
27 #include <drawinglayer/drawinglayerdllapi.h>
28 #include <drawinglayer/processor3d/baseprocessor3d.hxx>
29 #include <drawinglayer/primitive2d/baseprimitive2d.hxx>
30 #include <basegfx/matrix/b2dhommatrix.hxx>
31 #include <basegfx/matrix/b3dhommatrix.hxx>
32 #include <basegfx/color/bcolormodifier.hxx>
33 
34 //////////////////////////////////////////////////////////////////////////////
35 
36 namespace drawinglayer
37 {
38 	namespace processor3d
39 	{
40         /** Geometry2DExtractingProcessor class
41 
42             This processor extracts the 2D geometry (projected geometry) of all feeded primitives.
43             It is e.g. used as sub-processor for contour extraction where 3D geometry is only
44             useful as 2D projected geometry.
45          */
46 		class DRAWINGLAYER_DLLPUBLIC Geometry2DExtractingProcessor : public BaseProcessor3D
47 		{
48 		private:
49 			/// result holding vector (2D)
50 			primitive2d::Primitive2DSequence				maPrimitive2DSequence;
51 
52 			/// object transformation for scene for 2d definition
53 			basegfx::B2DHomMatrix							maObjectTransformation;
54 
55 			/// the modifiedColorPrimitive stack
56 			basegfx::BColorModifierStack					maBColorModifierStack;
57 
58 			/*  as tooling, the process() implementation takes over API handling and calls this
59 			    virtual render method when the primitive implementation is BasePrimitive3D-based.
60              */
61 			virtual void processBasePrimitive3D(const primitive3d::BasePrimitive3D& rCandidate);
62 
63 		public:
64 			Geometry2DExtractingProcessor(
65 				const geometry::ViewInformation3D& rViewInformation,
66 				const basegfx::B2DHomMatrix& rObjectTransformation);
67 
68 			// data read access
getPrimitive2DSequence() const69 			const primitive2d::Primitive2DSequence& getPrimitive2DSequence() const { return maPrimitive2DSequence; }
getObjectTransformation() const70 			const basegfx::B2DHomMatrix& getObjectTransformation() const { return maObjectTransformation; }
getBColorModifierStack() const71 			const basegfx::BColorModifierStack& getBColorModifierStack() const { return maBColorModifierStack; }
72 		};
73 	} // end of namespace processor3d
74 } // end of namespace drawinglayer
75 
76 #endif //INCLUDED_DRAWINGLAYER_PROCESSOR3D_GEOMETRY2DEXTRACTOR_HXX
77 
78 // eof
79