/*
    Copyright (c) 2008-2018 Jan W. Krieger (<jan@jkrieger.de>)

    

    This software is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License (LGPL) 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 Lesser General Public License (LGPL) for more details.

    You should have received a copy of the GNU Lesser General Public License (LGPL)
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/



/**
 * \defgroup jkqtplotter_elements Plot Elements
 * \ingroup jkqtplotter
 * \defgroup jkqtplotter_plots Graphs
 * \ingroup jkqtplotter_elements
 */

/** \file jkqtpgraphs.h
  * \ingroup jkqtplotter
  */

#include <QString>
#include <QPainter>
#include <QPair>
#include "jkqtplotter/jkqtpgraphsbase.h"

#ifndef jkqtpgraphspeakstream_H_INCLUDED
#define jkqtpgraphspeakstream_H_INCLUDED

// forward declarations
class JKQtBasePlotter;
class JKQtPlotter;
class JKQTPcoordinateAxis;
class JKQTPdatastore;


/*! \brief interprets data as a stream of x- or y-positions \f$ p_i \f$ (depending in \a yPeaks ) ans plots a line on the height
           \a baseline and upright lines from baseline to baseline+peakHeight at each position \f$ p_i \f$. This can be used to
           display a stream of photons with given arrivaltimes \f$ p_i \f$.
    \ingroup jkqtplotter_plots

    \image html JKQTPPeakStreamGraphY.png "yPeaks=true"
    \image html JKQTPPeakStreamGraphX.png "yPeaks=false"
 */
class LIB_EXPORT JKQTPPeakStreamGraph: public JKQTPsingleColumnGraph {
        Q_OBJECT
    public:
        /** \brief class constructor */
        JKQTPPeakStreamGraph(JKQtBasePlotter* parent=nullptr);
        JKQTPPeakStreamGraph(int dataColumn, double baseline, double peakHeight, QColor color, JKQtBasePlotter* parent=nullptr);
        JKQTPPeakStreamGraph(int dataColumn, double baseline, double peakHeight, JKQtBasePlotter* parent=nullptr);
        JKQTPPeakStreamGraph(JKQtPlotter* parent);
        JKQTPPeakStreamGraph(int dataColumn, double baseline, double peakHeight, QColor color, JKQtPlotter* parent);
        JKQTPPeakStreamGraph(int dataColumn, double baseline, double peakHeight, JKQtPlotter* parent);

        /** \brief get the maximum and minimum x-value of the graph
         *
         * The result is given in the two parameters which are call-by-reference parameters!
         */
        virtual bool getXMinMax(double& minx, double& maxx, double& smallestGreaterZero) override;
        /** \brief get the maximum and minimum y-value of the graph
         *
         * The result is given in the two parameters which are call-by-reference parameters!
         */
        virtual bool getYMinMax(double& miny, double& maxy, double& smallestGreaterZero) override;


        /** \brief plots the graph to the plotter object specified as parent */
        virtual void draw(JKQTPEnhancedPainter& painter) override;
        /** \brief plots a key marker inside the specified rectangle \a rect */
        virtual void drawKeyMarker(JKQTPEnhancedPainter& painter, QRectF& rect) override;

        JKQTPGET_SET_MACRO(double, baseline)
        JKQTPGET_SET_MACRO(double, peakHeight)
        JKQTPGET_SET_MACRO(bool, yPeaks)
        JKQTPGET_SET_MACRO(bool, drawBaseline)

    protected:

        /** \brief position of the baseline */
        double baseline;
        /** \brief height of each peak */
        double peakHeight;
        /** \brief if set \c true the peaks are in Y direction (default: true)*/
        bool yPeaks;
        /** \brief indicates whether to draw the basleine (default: \c true ) */
        bool drawBaseline;

};




#endif // jkqtpgraphspeakstream_H_INCLUDED