AOO410/main/chart2/source/view/axes/VCartesianAxis.hxx

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#ifndef _CHART2_VCARTESIANAXIS_HXX
#define _CHART2_VCARTESIANAXIS_HXX

#include "VAxisBase.hxx"
#include <basegfx/vector/b2dvector.hxx>

#include <memory>

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

//-----------------------------------------------------------------------------
/**
*/

class VCartesianAxis : public VAxisBase
{
    //-------------------------------------------------------------------------
	// public methods
	//-------------------------------------------------------------------------
public:
    VCartesianAxis( const AxisProperties& rAxisProperties
           , const ::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormatsSupplier >& xNumberFormatsSupplier
           , sal_Int32 nDimensionIndex, sal_Int32 nDimensionCount
           , PlottingPositionHelper* pPosHelper = NULL //takes ownership
           );

    virtual ~VCartesianAxis();

    virtual void createMaximumLabels();
    virtual void createLabels();
    virtual void updatePositions();

    virtual void createShapes();

    virtual sal_Int32 estimateMaximumAutoMainIncrementCount();
    virtual void createAllTickInfos( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos );
    void createAllTickInfosFromComplexCategories( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos, bool bShiftedPosition );

    ::std::auto_ptr< TickIter > createLabelTickIterator( sal_Int32 nTextLevel );
    ::std::auto_ptr< TickIter > createMaximumLabelTickIterator( sal_Int32 nTextLevel );
    sal_Int32 getTextLevelCount() const;

    //-------------------------------------------------------------------------
    virtual TickFactory* createTickFactory();
    
    //-------------------------------------------------------------------------
    double      getLogicValueWhereMainLineCrossesOtherAxis() const;
    double      getLogicValueWhereLabelLineCrossesOtherAxis() const;
    bool        getLogicValueWhereExtraLineCrossesOtherAxis( double& fCrossesOtherAxis) const;
    void        get2DAxisMainLine( ::basegfx::B2DVector& rStart, ::basegfx::B2DVector& rEnd, double fCrossesOtherAxis );

    //-------------------------------------------------------------------------
    //Layout interface for cartesian axes:

    //the returned value describes the minimum size that is necessary
    //for the text labels in the direction orthogonal to the axis
    //(for an y-axis a width is returned; in case of an x-axis the value describes a height)
    //the return value is measured in screen dimension
    //As an example the MinimumOrthogonalSize of an x-axis equals the
    //Font Height if the label properties allow for labels parallel to the axis.
//    sal_Int32 calculateMinimumOrthogonalSize( /*... parallel...*/ );
    //Minimum->Preferred

    //returns true if the MinimumOrthogonalSize can be calculated
    //with the creation of at most one text shape
    //(this is e.g. true if the parameters allow for labels parallel to the axis.)
//    sal_bool  canQuicklyCalculateMinimumOrthogonalSize();


    //-------------------------------------------------------------------------
    //-------------------------------------------------------------------------

    struct ScreenPosAndLogicPos
    {
        double fLogicX;
        double fLogicY;
        double fLogicZ;

        B2DVector aScreenPos;
    };

protected: //methods
    bool    createTextShapes( const ::com::sun::star::uno::Reference<
                       ::com::sun::star::drawing::XShapes >& xTarget
                     , TickIter& rTickIter
                     , AxisLabelProperties& rAxisLabelProperties
                     , TickFactory_2D* pTickFactory
                     , sal_Int32 nScreenDistanceBetweenTicks );

    void    createTickMarkLineShapes( ::std::vector< TickInfo >& rTickInfos, const TickmarkProperties& rTickmarkProperties, TickFactory_2D& rTickFactory2D, bool bOnlyAtLabels );

    TickFactory_2D* createTickFactory2D();
    void    hideIdenticalScreenValues(  ::std::vector< ::std::vector< TickInfo > >& rTickInfos ) const;

    void    doStaggeringOfLabels( const AxisLabelProperties& rAxisLabelProperties
                            , TickFactory_2D* pTickFactory2D );
    bool    isAutoStaggeringOfLabelsAllowed( const AxisLabelProperties& rAxisLabelProperties
                            , bool bIsHorizontalAxis, bool bIsVerticalAxis );
    bool    isBreakOfLabelsAllowed( const AxisLabelProperties& rAxisLabelProperties, bool bIsHorizontalAxis );

    ::basegfx::B2DVector getScreenPosition( double fLogicX, double fLogicY, double fLogicZ ) const;
    ScreenPosAndLogicPos getScreenPosAndLogicPos( double fLogicX, double fLogicY, double fLogicZ ) const;
};

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