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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE3D_POLYGONTUBEPRIMITIVE3D_HXX
#define INCLUDED_DRAWINGLAYER_PRIMITIVE3D_POLYGONTUBEPRIMITIVE3D_HXX

#include <drawinglayer/drawinglayerdllapi.h>

#include <drawinglayer/primitive3d/polygonprimitive3d.hxx>


// predefines

namespace basegfx {
    class B3DPolyPolygon;
    class B3DHomMatrix;
}



namespace drawinglayer
{
    namespace primitive3d
    {
        /** PolygonStrokePrimitive3D class

            This 3D primitive extends a 3D hairline to a 3D tube which is
            e.g. used for fat lines in 3D. It's decomposition will create all
            3D objects needed for the line tubes and the edge roundings
            in full 3D.
         */
        class DRAWINGLAYER_DLLPUBLIC PolygonTubePrimitive3D : public PolygonHairlinePrimitive3D
        {
        private:
            /// hold the last decompositon since it's expensive
            Primitive3DSequence                         maLast3DDecomposition;

            /// visualisation parameters
            double                                      mfRadius;
            double                                      mfDegreeStepWidth;
            double                                      mfMiterMinimumAngle;
            basegfx::B2DLineJoin                        maLineJoin;
            com::sun::star::drawing::LineCap            maLineCap;

        protected:
            /** access methods to maLast3DDecomposition. The usage of this methods may allow
                later thread-safe stuff to be added if needed. Only to be used by getDecomposition()
                implementations for buffering the last decomposition.
             */
            const Primitive3DSequence& getLast3DDecomposition() const { return maLast3DDecomposition; }
            void setLast3DDecomposition(const Primitive3DSequence& rNew) { maLast3DDecomposition = rNew; }

            /// local decomposition.
            Primitive3DSequence impCreate3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const;

        public:
            /// constructor
            PolygonTubePrimitive3D(
                const basegfx::B3DPolygon& rPolygon,
                const basegfx::BColor& rBColor,
                double fRadius,
                basegfx::B2DLineJoin aLineJoin,
                com::sun::star::drawing::LineCap aLineCap,
                double fDegreeStepWidth = 10.0 * F_PI180,
                double fMiterMinimumAngle = 15.0 * F_PI180);

            /// data read access
            double getRadius() const { return mfRadius; }
            double getDegreeStepWidth() const { return mfDegreeStepWidth; }
            double getMiterMinimumAngle() const { return mfMiterMinimumAngle; }
            basegfx::B2DLineJoin getLineJoin() const { return maLineJoin; }
            com::sun::star::drawing::LineCap getLineCap() const { return maLineCap; }

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

            /** local decomposition. Use own buffering since we are not derived from
                BufferedDecompositionPrimitive3D
             */
            virtual Primitive3DSequence get3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const SAL_OVERRIDE;

            /// provide unique ID
            DeclPrimitive3DIDBlock()
        };
    } // end of namespace primitive3d
} // end of namespace drawinglayer



#endif //INCLUDED_DRAWINGLAYER_PRIMITIVE3D_POLYGONTUBEPRIMITIVE3D_HXX

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