xref: /AOO41X/main/drawinglayer/inc/drawinglayer/processor3d/geometry2dextractor.hxx (revision 4f506f19cd544df9572ed8c88b6bdbc6c8f33210)
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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