CanvasCurve.h

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//# Copyright (C) 2005
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
//# the Free Software Foundation; either version 2 of the License, or (at your
//# option) any later version.
//#
//# This library 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 Library General Public
//# License for more details.
//#
//# You should have received a copy of the GNU Library General Public License
//# along with this library; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//#        Internet email: aips2-request@nrao.edu.
//#        Postal address: AIPS++ Project Office
//#                        National Radio Astronomy Observatory
//#                        520 Edgemont Road
//#                        Charlottesville, VA 22903-2475 USA
//#
#ifndef CANVASCURVE_H_
#define CANVASCURVE_H_

#include <casa/aips.h>
#include <casa/Arrays/Vector.h>
#include <vector>
#include <utility>                      /***for std::pair***/
#include <QColor>
#include <QString>

namespace casa {

typedef std::vector<double> CurveData;
typedef std::vector<double> ErrorData;

class CanvasCurve {
public:
        CanvasCurve();
        CanvasCurve( CurveData curveData, ErrorData errorData,
                        QString legend, QColor curveColor, int curveType );
        QColor getColor() const;
        void setColor( QColor color );
        QString getLegend() const;
        void setLegend( const QString& legend );
        int getCurveType() const;
        CurveData getCurveData();
        Vector<float> getXValues() const;
        Vector<float> getYValues() const;
        CurveData getErrorData();

        QString getToolTip( double x, double y , const double X_ERROR,
                        const double Y_ERROR, const QString& xUnit, const QString& yUnit ) const;
        void getMinMax(Double& xmin, Double& xmax, Double& ymin,
                        Double& ymax, bool plotError ) const;
        std::pair<double,double> getRangeFor(double xMin, double xMax, Bool& exists );
        void scaleYValues( const QString& oldDisplayUnits, const QString& yUnitDisplay, const QString& xUnits );
        double convertValue( double value, double freqValue, const QString& oldDisplayUnits, const QString& yUnitDisplay, const QString& xUnits);
        virtual ~CanvasCurve();

private:
        Vector<float> getErrorValues() const;
        double getMaxY() const;
        double getMaxError() const;
        void storeData( const QString& oldUnits );
        void setYValues( const Vector<float>& yValues );
        void setErrorValues( const Vector<float>& errorValues );

        QColor curveColor;
        QString legend;
        CurveData curveData;
        ErrorData errorData;
        QString maxUnits;
        double maxValue;
        double maxErrorValue;
        int curveType;
};

} /* namespace casa */
#endif /* CANVASCURVE_H_ */