File indexing completed on 2025-01-26 03:34:18

 /*
     File                 : XYEquationCurve.h
     Project              : LabPlot
     Description          : A xy-curve defined by a mathematical equation
     --------------------------------------------------------------------
     SPDX-FileCopyrightText: 2014-2021 Alexander Semke <alexander.semke@web.de>
     SPDX-FileCopyrightText: 2023 Stefan Gerlach <stefan.gerlach@uni.kn>
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #ifndef XYEQUATIONCURVE_H
 #define XYEQUATIONCURVE_H
 
 #include "backend/worksheet/plots/cartesian/XYCurve.h"
 
 class XYEquationCurvePrivate;
 
 #ifdef SDK
 #include "labplot_export.h"
 class LABPLOT_EXPORT XYEquationCurve : public XYCurve {
 #else
 class XYEquationCurve : public XYCurve {
 #endif
     Q_OBJECT
     Q_ENUMS(EquationType)
 
 public:
     enum class EquationType { Cartesian, Polar, Parametric, Implicit, Neutral };
 
     struct EquationData {
         EquationData()
             : min(QLatin1String("0"))
             , max(QLatin1String("1")){};
 
         EquationType type{EquationType::Cartesian};
         QString expression1; // Expression for Cartesian, Polar, ...
         QString expression2; // Second expression for Parametric
         QString min; // localized strings to support expressions
         QString max;
         int count{1000}; // number of points of the curve
     };
 
     explicit XYEquationCurve(const QString& name);
     ~XYEquationCurve() override;
 
     void recalculate();
     bool dataAvailable() const;
     QIcon icon() const override;
     void save(QXmlStreamWriter*) const override;
     bool load(XmlStreamReader*, bool preview) override;
 
     CLASS_D_ACCESSOR_DECL(EquationData, equationData, EquationData)
 
     typedef XYEquationCurvePrivate Private;
 
 protected:
     XYEquationCurve(const QString& name, XYEquationCurvePrivate* dd);
 
 private:
     Q_DECLARE_PRIVATE(XYEquationCurve)
     void init();
 
 public Q_SLOTS:
     void createDataSpreadsheet();
 
 Q_SIGNALS:
     void equationDataChanged(const XYEquationCurve::EquationData&);
 };
 
 #endif