1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 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 75