/usr/include/Analitza5/analitzaplot/functiongraph.h is in libanalitza-dev 4:16.08.3-1.
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* Copyright (C) 2007-2009 by Aleix Pol <aleixpol@kde.org> *
* Copyright (C) 2010-2012 by Percy Camilo T. Aucahuasi <percy.camilo.ta@gmail.com> *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software *
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA *
*************************************************************************************/
#ifndef FUNCTIONGRAPH2_H
#define FUNCTIONGRAPH2_H
#include "plotitem.h"
#include <QPair>
namespace Analitza
{
/**
* \class FunctionGraph
*
* \ingroup AnalitzaPlotModule
*
* \brief Base class for any object that is a lambda expression.
*
* This class is a common interface for functions objects.
*/
class AbstractFunctionGraph;
class ANALITZAPLOT_EXPORT FunctionGraph : public PlotItem
{
public:
virtual ~FunctionGraph();
Analitza::Variables *variables() const override;
//MappingGraph
QString typeName() const override;
const Analitza::Expression &expression() const override;
QString iconName() const override;
Dimension spaceDimension() const override;
CoordinateSystem coordinateSystem() const override;
QStringList errors() const;
bool isCorrect() const;
//if evaluate true then result of expressiones will be strings of the value
//if evaluate is false then the expressions will not evaluate
QPair<Analitza::Expression, Analitza::Expression> interval(const QString &argname, bool evaluate) const;
bool setInterval(const QString &argname, const Analitza::Expression &min, const Analitza::Expression &max);
QPair<double, double> interval(const QString &argname) const;
bool setInterval(const QString &argname, double min, double max);
void clearIntervals();
bool hasIntervals() const;
/** @returns the parameters that a function expects */
QStringList parameters() const;
/**
* The display property will store the expression like it's been entered by the user.
* This is useful because sometimes the expression is modified when entered so that
* we can plot it properly, this remembers what the user entered.
*/
QString display() const override;
void setDisplay(const QString& display);
/**
* This method gives a hint to the backend of how many @p points we want the plots to have.
* This is useful for telling the plot implementations an idea of where is this going to be plotted, so
* we can use lighter computations if we're previewing or if we're in a small device.
*/
void setResolution(int points);
protected:
FunctionGraph(AbstractFunctionGraph* g);
AbstractFunctionGraph *backend() const { return m_functionGraph; }
private:
FunctionGraph(const FunctionGraph &other);
AbstractFunctionGraph *m_functionGraph;
QStringList m_errors;
QString m_display;
};
}
#endif // FUNCTIONGRAPH2_H
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