AOO410/main/basegfx/inc/basegfx/polygon/b3dpolypolygon.hxx

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#ifndef _BGFX_POLYGON_B3DPOLYPOLYGON_HXX
#define _BGFX_POLYGON_B3DPOLYPOLYGON_HXX

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

// predeclarations
class ImplB3DPolyPolygon;

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

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

namespace basegfx
{
	class 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);

        /// unshare this poly-polygon (and all included polygons) with all internally shared instances
        void makeUnique();

		// 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();

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

		// insert/append multiple polygons
		void insert(sal_uInt32 nIndex, const B3DPolyPolygon& rPolyPolygon);
		void append(const B3DPolyPolygon& rPolyPolygon);

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

		// reset to empty state
		void clear();

		// closed state
		bool isClosed() const;
		void setClosed(bool bNew);

		// flip polygon direction
		void flip();

		// test if 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);
	};
} // end of namespace basegfx

#endif /* _BGFX_POLYGON_B3DPOLYPOLYGON_HXX */