MembranePotentialGraphWidget.cpp

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//SpikeStream includes
#include "MembranePotentialGraphWidget.h"
#include "Util.h"
using namespace spikestream;

//Qt includes
#include <QDebug>

MembranePotentialGraphWidget::MembranePotentialGraphWidget(QWidget* parent) : AbstractGraphWidget(parent) {
        plotColor = qRgb(255, 0, 0);
        setYRange(-130, 50);
        buildBufferImage();

        newXPos = 0;
        newYPos = 0;
        oldXPos = 0;
        oldYPos = 0;
}


MembranePotentialGraphWidget::~MembranePotentialGraphWidget(){

}



/*----------------------------------------------------------*/
/*------               PUBLIC METHODS                 ------*/
/*----------------------------------------------------------*/

void MembranePotentialGraphWidget::addData(float membranePotential, timestep_t timeStep){
        oldXPos = newXPos;
        oldYPos = newYPos;

        newXPos = timeStep % numTimeSteps +  yAxisPadding + 1;

        //Make sure membrane potential does not go out of range
        newYPos = imageHeight - Util::rInt(membranePotential - getMinY());
        if(newYPos > imageHeight)
                newYPos = imageHeight;
        if(newYPos < 0)
                newYPos = 0;

        //Advance the time step
        increaseTimeStep(timeStep);
        repaint();
}


void MembranePotentialGraphWidget::paintData(QPainter &painter){
        painter.setPen( QPen(plotColor) );
        //Only draw line if it is a sequential point
        if(newXPos - oldXPos == 1)
                painter.drawLine(oldXPos, oldYPos, newXPos, newYPos);
}


void MembranePotentialGraphWidget::paintLabels(QPainter& painter){
}