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https://github.com/slsdetectorgroup/slsDetectorPackage.git
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65 lines
1.1 KiB
C++
Executable File
65 lines
1.1 KiB
C++
Executable File
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/**
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* @author Ian Johnson
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* @version 1.0
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* Dhanya-05.12.2012- included an additional header
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*/
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#ifndef SLSQT2DZOOMER_H
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#define SLSQT2DZOOMER_H
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/**included by Dhanya on 05.12.2012 to avoid compile time errors with the latest gcc*/
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#include <cstdio>
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/**end of Change by Dhanya*/
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#include <qwt_plot_zoomer.h>
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#include <qwt_plot_panner.h>
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#include "SlsQt2DHist.h"
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class SlsQt2DZoomer:public QwtPlotZoomer{
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private:
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SlsQt2DHist* hist;
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public:
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SlsQt2DZoomer(QWidget *canvas):QwtPlotZoomer(canvas){
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setTrackerMode(AlwaysOn);
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}
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void SetHist(SlsQt2DHist* h){
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hist=h;
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}
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virtual QwtText trackerTextF(const QPointF &pos) const{
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QColor bg(Qt::white);
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bg.setAlpha(200);
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//QwtText text = QwtPlotZoomer::trackerText(pos);
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static QwtText text;
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if(hist){
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static char t[200];
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sprintf(t,"%3.2f, %3.2f, %3.2f",pos.x(),pos.y(),hist->value(pos.x(),pos.y()));
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text.setText(t);
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}else {
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QPoint p=pos.toPoint();
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QwtText text = QwtPlotZoomer::trackerText(p);
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}
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text.setBackgroundBrush( QBrush( bg ));
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return text;
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}
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};
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#endif
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