AOO410/main/drawinglayer/inc/drawinglayer/primitive3d/hatchtextureprimitive3d.hxx

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#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE3D_HATCHTEXTUREPRIMITIVE3D_HXX
#define INCLUDED_DRAWINGLAYER_PRIMITIVE3D_HATCHTEXTUREPRIMITIVE3D_HXX

#include <drawinglayer/drawinglayerdllapi.h>
#include <drawinglayer/primitive3d/textureprimitive3d.hxx>
#include <drawinglayer/attribute/fillhatchattribute.hxx>

//////////////////////////////////////////////////////////////////////////////

namespace drawinglayer
{
	namespace primitive3d
	{
        /** HatchTexturePrimitive3D class
        
            HatchTexturePrimitive3D is derived from GroupPrimitive3D, but implements
            a decomposition which is complicated enough for buffering. Since the group
            primitive has no default buffering, it is necessary here to add a local
            buffering mechanism for the decomposition
         */
		class DRAWINGLAYER_DLLPUBLIC HatchTexturePrimitive3D : public TexturePrimitive3D
		{
		private:
            /// the hatch definition
			attribute::FillHatchAttribute					maHatch;

            /// the buffered decomposed hatch
            Primitive3DSequence                             maBuffered3DDecomposition;

		protected:
			/// helper: local decomposition
			Primitive3DSequence impCreate3DDecomposition() const;

			/// local access methods to maBufferedDecomposition
			const Primitive3DSequence& getBuffered3DDecomposition() const { return maBuffered3DDecomposition; }
			void setBuffered3DDecomposition(const Primitive3DSequence& rNew) { maBuffered3DDecomposition = rNew; }

        public:
            /// constructor
			HatchTexturePrimitive3D(
				const attribute::FillHatchAttribute& rHatch, 
				const Primitive3DSequence& rChildren, 
				const basegfx::B2DVector& rTextureSize, 
				bool bModulate, 
				bool bFilter);

			/// data read access
			const attribute::FillHatchAttribute& getHatch() const { return maHatch; }

			/// compare operator
			virtual bool operator==(const BasePrimitive3D& rPrimitive) const;

			/// local decomposition.
			virtual Primitive3DSequence get3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const;

            /// provide unique ID
			DeclPrimitrive3DIDBlock()
		};
	} // end of namespace primitive3d
} // end of namespace drawinglayer

//////////////////////////////////////////////////////////////////////////////

#endif //INCLUDED_DRAWINGLAYER_PRIMITIVE3D_HATCHTEXTUREPRIMITIVE3D_HXX

//////////////////////////////////////////////////////////////////////////////
// eof