/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#ifndef INCLUDED_SVX_POLYPOLYGONEDITOR_HXX
#define INCLUDED_SVX_POLYPOLYGONEDITOR_HXX

#include <svx/svxdllapi.h>

#include <svx/ipolypolygoneditorcontroller.hxx>

#include <basegfx/polygon/b2dpolypolygon.hxx>
#include <o3tl/sorted_vector.hxx>

namespace sdr
{

/** this class implements some helper functions to edit a B2DPolyPolygon */
class SVXCORE_DLLPUBLIC PolyPolygonEditor
{
public:
    PolyPolygonEditor( basegfx::B2DPolyPolygon aPolyPolygon);

    const basegfx::B2DPolyPolygon& GetPolyPolygon() const { return maPolyPolygon; }

    /** returns true if the B2DPolyPolygon was changed.
        Warning: B2DPolyPolygon can be empty after this operation!
    */
    bool DeletePoints( const o3tl::sorted_vector< sal_uInt16 >& rAbsPoints );

    /** returns true if the B2DPolyPolygon was changed.
    */
    bool SetSegmentsKind(SdrPathSegmentKind eKind, const o3tl::sorted_vector< sal_uInt16 >& rAbsPoints);

    /** returns true if the B2DPolyPolygon was changed.
    */
    bool SetPointsSmooth( basegfx::B2VectorContinuity eFlags, const o3tl::sorted_vector< sal_uInt16 >& rAbsPoints);

    /** Outputs the relative position ( polygon number and point number in that polygon ) from the absolute point number.
        False is returned if the given absolute point is greater not inside this B2DPolyPolygon
    */
    static bool GetRelativePolyPoint( const basegfx::B2DPolyPolygon& rPoly, sal_uInt32 nAbsPnt, sal_uInt32& rPolyNum, sal_uInt32& rPointNum );

private:
    basegfx::B2DPolyPolygon maPolyPolygon;
};

}

#endif

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