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 * 
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 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
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#ifndef _CHART2_VIEW_POLARLABELPOSITIONHELPER_HXX
#define _CHART2_VIEW_POLARLABELPOSITIONHELPER_HXX

#include "LabelPositionHelper.hxx"
#include <com/sun/star/awt/Point.hpp>
#include <com/sun/star/drawing/Position3D.hpp>

//.............................................................................
namespace chart
{
//.............................................................................

//-----------------------------------------------------------------------------
/**
*/
class PolarPlottingPositionHelper;

class PolarLabelPositionHelper : public LabelPositionHelper
{
public:
    PolarLabelPositionHelper(
        PolarPlottingPositionHelper* pPosHelper
        , sal_Int32 nDimensionCount
        , const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShapes >& xLogicTarget
        , ShapeFactory* pShapeFactory );
    virtual ~PolarLabelPositionHelper();

    ::com::sun::star::awt::Point getLabelScreenPositionAndAlignmentForLogicValues(
                        LabelAlignment& rAlignment
                        , double fLogicValueOnAngleAxis
                        , double fLogicValueOnRadiusAxis
                        , double fLogicZ
                        , sal_Int32 nScreenValueOffsetInRadiusDirection=0 ) const;

    ::com::sun::star::awt::Point getLabelScreenPositionAndAlignmentForUnitCircleValues(
                        LabelAlignment& rAlignment, sal_Int32 nLabelPlacement /*see ::com::sun::star::chart::DataLabelPlacement*/
                        , double fUnitCircleStartAngleDegree, double fUnitCircleWidthAngleDegree
                        , double fUnitCircleInnerRadius, double fUnitCircleOuterRadius
                        , double fLogicZ
                        , sal_Int32 nScreenValueOffsetInRadiusDirection=0 ) const;

private:
    PolarPlottingPositionHelper*    m_pPosHelper;
};

//.............................................................................
} //namespace chart
//.............................................................................
#endif