chart2/source/inc/LogarithmicRegressionCurveCalculator.hxx

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  27 #ifndef CHART2_LOGARITHMICREGRESSIONCURVECALCULATOR_HXX
  28 #define CHART2_LOGARITHMICREGRESSIONCURVECALCULATOR_HXX
  29
  30 #include "RegressionCurveCalculator.hxx"
  31
  32 namespace chart
  33 {
  34
  35 class LogarithmicRegressionCurveCalculator :
  36         public RegressionCurveCalculator
  37 {
  38 public:
  39     LogarithmicRegressionCurveCalculator();
  40     virtual ~LogarithmicRegressionCurveCalculator();
  41
  42 protected:
  43     virtual ::rtl::OUString ImplGetRepresentation(
  44         const ::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormatter >& xNumFormatter,
  45         ::sal_Int32 nNumberFormatKey ) const;
  46
  47 private:
  48     // ____ XRegressionCurveCalculator ____
  49     virtual void SAL_CALL recalculateRegression(
  50         const ::com::sun::star::uno::Sequence< double >& aXValues,
  51         const ::com::sun::star::uno::Sequence< double >& aYValues )
  52         throw (::com::sun::star::uno::RuntimeException);
  53     virtual double SAL_CALL getCurveValue( double x )
  54         throw (::com::sun::star::lang::IllegalArgumentException,
  55                ::com::sun::star::uno::RuntimeException);
  56     virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealPoint2D > SAL_CALL getCurveValues(
  57         double min,
  58         double max,
  59         ::sal_Int32 nPointCount,
  60         const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >& xScalingX,
  61         const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >& xScalingY,
  62         ::sal_Bool bMaySkipPointsInCalculation )
  63         throw (::com::sun::star::lang::IllegalArgumentException,
  64                ::com::sun::star::uno::RuntimeException);
  65
  66     // formula is: f(x) = m_fSlope * log( x ) + m_fIntercept
  67     double m_fSlope;
  68     double m_fIntercept;
  69 };
  70
  71 } //  namespace chart
  72
  73 // CHART2_LOGARITHMICREGRESSIONCURVECALCULATOR_HXX
  74 #endif