chart2/source/inc/LogarithmicRegressionCurveCalculator.hxx

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  30 #ifndef CHART2_LOGARITHMICREGRESSIONCURVECALCULATOR_HXX
  31 #define CHART2_LOGARITHMICREGRESSIONCURVECALCULATOR_HXX
  32
  33 #include "RegressionCurveCalculator.hxx"
  34
  35 namespace chart
  36 {
  37
  38 class LogarithmicRegressionCurveCalculator :
  39         public RegressionCurveCalculator
  40 {
  41 public:
  42     LogarithmicRegressionCurveCalculator();
  43     virtual ~LogarithmicRegressionCurveCalculator();
  44
  45 protected:
  46     virtual ::rtl::OUString ImplGetRepresentation(
  47         const ::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormatter >& xNumFormatter,
  48         ::sal_Int32 nNumberFormatKey ) const;
  49
  50 private:
  51     // ____ XRegressionCurveCalculator ____
  52     virtual void SAL_CALL recalculateRegression(
  53         const ::com::sun::star::uno::Sequence< double >& aXValues,
  54         const ::com::sun::star::uno::Sequence< double >& aYValues )
  55         throw (::com::sun::star::uno::RuntimeException);
  56     virtual double SAL_CALL getCurveValue( double x )
  57         throw (::com::sun::star::lang::IllegalArgumentException,
  58                ::com::sun::star::uno::RuntimeException);
  59     virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealPoint2D > SAL_CALL getCurveValues(
  60         double min,
  61         double max,
  62         ::sal_Int32 nPointCount,
  63         const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >& xScalingX,
  64         const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >& xScalingY,
  65         ::sal_Bool bMaySkipPointsInCalculation )
  66         throw (::com::sun::star::lang::IllegalArgumentException,
  67                ::com::sun::star::uno::RuntimeException);
  68
  69     // formula is: f(x) = m_fSlope * log( x ) + m_fIntercept
  70     double m_fSlope;
  71     double m_fIntercept;
  72 };
  73
  74 } //  namespace chart
  75
  76 // CHART2_LOGARITHMICREGRESSIONCURVECALCULATOR_HXX
  77 #endif