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/* -*- 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 <cppuhelper/implbase.hxx>
#include <rtl/ustrbuf.hxx>
#include <com/sun/star/chart2/XRegressionCurveCalculator.hpp>
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 );
// ____ 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;
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;
};
} // namespace chart
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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