chart2/source/inc/PotentialRegressionCurveCalculator.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
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   9  * This file incorporates work covered by the following license notice:
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  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
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  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19 #ifndef INCLUDED_CHART2_SOURCE_INC_POTENTIALREGRESSIONCURVECALCULATOR_HXX
  20 #define INCLUDED_CHART2_SOURCE_INC_POTENTIALREGRESSIONCURVECALCULATOR_HXX
  21
  22 #include "RegressionCurveCalculator.hxx"
  23
  24 namespace chart
  25 {
  26
  27 class PotentialRegressionCurveCalculator : public RegressionCurveCalculator
  28 {
  29 public:
  30     PotentialRegressionCurveCalculator();
  31     virtual ~PotentialRegressionCurveCalculator() override;
  32
  33 protected:
  34     virtual OUString ImplGetRepresentation(
  35         const css::uno::Reference<css::util::XNumberFormatter>& xNumFormatter,
  36         sal_Int32 nNumberFormatKey, sal_Int32* pFormulaLength = nullptr ) const override;
  37
  38 private:
  39     // ____ XRegressionCurveCalculator ____
  40     virtual void SAL_CALL recalculateRegression(
  41         const css::uno::Sequence<double>& aXValues,
  42         const css::uno::Sequence<double>& aYValues ) override;
  43
  44     virtual double SAL_CALL getCurveValue( double x ) override;
  45
  46     virtual css::uno::Sequence<css::geometry::RealPoint2D> SAL_CALL getCurveValues(
  47         double min,
  48         double max,
  49         sal_Int32 nPointCount,
  50         const css::uno::Reference<css::chart2::XScaling>& xScalingX,
  51         const css::uno::Reference<css::chart2::XScaling>& xScalingY,
  52         sal_Bool bMaySkipPointsInCalculation ) override;
  53
  54     // formula is: f(x) = x ^ m_fSlope * m_fSign * m_fIntercept
  55     double m_fSlope;
  56     double m_fIntercept;
  57     double m_fSign;
  58 };
  59
  60 } //  namespace chart
  61
  62 // INCLUDED_CHART2_SOURCE_INC_POTENTIALREGRESSIONCURVECALCULATOR_HXX
  63 #endif
  64
  65 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */