From ed5640d8b587fbcfed7dd7967f3de04b37a76f26 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:06:44 +0200 Subject: Adding upstream version 4:7.4.7. Signed-off-by: Daniel Baumann --- chart2/source/inc/RegressionCurveCalculator.hxx | 103 ++++++++++++++++++++++++ 1 file changed, 103 insertions(+) create mode 100644 chart2/source/inc/RegressionCurveCalculator.hxx (limited to 'chart2/source/inc/RegressionCurveCalculator.hxx') diff --git a/chart2/source/inc/RegressionCurveCalculator.hxx b/chart2/source/inc/RegressionCurveCalculator.hxx new file mode 100644 index 000000000..6cf1f2914 --- /dev/null +++ b/chart2/source/inc/RegressionCurveCalculator.hxx @@ -0,0 +1,103 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ +#pragma once + +#include +#include + +#include + +namespace com::sun::star::util { class XNumberFormatsSupplier; } +namespace com::sun::star::util { class XNumberFormatter; } + +namespace chart +{ + +class RegressionCurveCalculator : public + cppu::WeakImplHelper< css::chart2::XRegressionCurveCalculator > +{ +public: + RegressionCurveCalculator(); + virtual ~RegressionCurveCalculator() override; + + static bool isLinearScaling( + const css::uno::Reference< css::chart2::XScaling >& xScaling ); + + static bool isLogarithmicScaling( + const css::uno::Reference< css::chart2::XScaling >& xScaling ); + +protected: + virtual OUString ImplGetRepresentation( + const css::uno::Reference< css::util::XNumberFormatter >& xNumFormatter, + sal_Int32 nNumberFormatKey, sal_Int32* pFormulaLength = nullptr ) const = 0; + + static OUString getFormattedString( + const css::uno::Reference< css::util::XNumberFormatter >& xNumFormatter, + sal_Int32 nNumberFormatKey, + double fNumber, + const sal_Int32* pStringLength ); + + static void addStringToEquation( OUStringBuffer& aStrEquation, sal_Int32& nLineLength, OUStringBuffer const & aAddString, const sal_Int32* pMaxLength ); + + double m_fCorrelationCoefficient; + + sal_Int32 mDegree; + bool mForceIntercept; + double mInterceptValue; + sal_Int32 mPeriod; + OUString mXName, mYName; + sal_Int32 mnMovingType; + + // ____ XRegressionCurveCalculator ____ + virtual void SAL_CALL setRegressionProperties( + sal_Int32 aDegree, + sal_Bool aForceIntercept, + double aInterceptValue, + sal_Int32 aPeriod, + sal_Int32 nMovingType) override; + + virtual void SAL_CALL recalculateRegression( + const css::uno::Sequence< double >& aXValues, + const css::uno::Sequence< double >& aYValues ) override = 0; + + virtual double SAL_CALL getCurveValue( double x ) override = 0; + + virtual css::uno::Sequence< css::geometry::RealPoint2D > SAL_CALL getCurveValues( + double min, + double max, + sal_Int32 nPointCount, + const css::uno::Reference< css::chart2::XScaling >& xScalingX, + const css::uno::Reference< css::chart2::XScaling >& xScalingY, + sal_Bool bMaySkipPointsInCalculation ) override; + + virtual double SAL_CALL getCorrelationCoefficient() override; + + virtual OUString SAL_CALL getRepresentation() override; + + virtual OUString SAL_CALL getFormattedRepresentation( + const css::uno::Reference< css::util::XNumberFormatsSupplier >& xNumFmtSupplier, + sal_Int32 nNumberFormatKey, sal_Int32 nFormulaLength ) override; + + virtual void SAL_CALL setXYNames( + const OUString& aXName, const OUString& aYName ) override; +}; + +} // namespace chart + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3