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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#ifndef INCLUDED_BASEGFX_POLYGON_B3DPOLYPOLYGON_HXX
#define INCLUDED_BASEGFX_POLYGON_B3DPOLYPOLYGON_HXX

#include <sal/types.h>
#include <o3tl/cow_wrapper.hxx>
#include <basegfx/basegfxdllapi.h>

// predeclarations
class ImplB3DPolyPolygon;

namespace basegfx
{
    class B3DPolygon;
    class B3DHomMatrix;
    class B2DHomMatrix;
} // end of namespace basegfx



namespace basegfx
{
    class BASEGFX_DLLPUBLIC B3DPolyPolygon
    {
    public:
        typedef o3tl::cow_wrapper< ImplB3DPolyPolygon > ImplType;

    private:
        ImplType                                        mpPolyPolygon;

    public:
        B3DPolyPolygon();
        B3DPolyPolygon(const B3DPolyPolygon& rPolyPolygon);
        explicit B3DPolyPolygon(const B3DPolygon& rPolygon);
        ~B3DPolyPolygon();

        // assignment operator
        B3DPolyPolygon& operator=(const B3DPolyPolygon& rPolyPolygon);

        // compare operators
        bool operator==(const B3DPolyPolygon& rPolyPolygon) const;
        bool operator!=(const B3DPolyPolygon& rPolyPolygon) const;

        // polygon interface
        sal_uInt32 count() const;

        // B3DPolygon interface
        B3DPolygon getB3DPolygon(sal_uInt32 nIndex) const;
        void setB3DPolygon(sal_uInt32 nIndex, const B3DPolygon& rPolygon);

        // BColor interface
        bool areBColorsUsed() const;
        void clearBColors();

        // Normals interface
        void transformNormals(const B3DHomMatrix& rMatrix);
        bool areNormalsUsed() const;
        void clearNormals();

        // TextureCoordinate interface
        void transformTextureCoordiantes(const B2DHomMatrix& rMatrix);
        bool areTextureCoordinatesUsed() const;
        void clearTextureCoordinates();

        // append single polygon
        void append(const B3DPolygon& rPolygon, sal_uInt32 nCount = 1);

        // append multiple polygons
        void append(const B3DPolyPolygon& rPolyPolygon);

        // remove
        void remove(sal_uInt32 nIndex, sal_uInt32 nCount = 1);

        // reset to empty state
        void clear();

        // flip polygon direction
        void flip();

        // test if tools::PolyPolygon has double points
        bool hasDoublePoints() const;

        // remove double points, at the begin/end and follow-ups, too
        void removeDoublePoints();

        // apply transformation given in matrix form to the polygon
        void transform(const basegfx::B3DHomMatrix& rMatrix);

        // polygon iterators (same iterator validity conditions as for vector)
        const B3DPolygon* begin() const;
        const B3DPolygon* end() const;
        B3DPolygon* begin();
        B3DPolygon* end();
    };
} // end of namespace basegfx

#endif // INCLUDED_BASEGFX_POLYGON_B3DPOLYPOLYGON_HXX

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