mirror of
https://github.com/jkriege2/JKQtPlotter.git
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76 lines
2.8 KiB
C++
76 lines
2.8 KiB
C++
#ifndef MULTITHREADED_THREAD_H
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#define MULTITHREADED_THREAD_H
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#include <QThread>
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#include "jkqtplotter/jkqtpbaseplotter.h"
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#include "jkqtplotter/graphs/jkqtplines.h"
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#include "jkqtcommon/jkqtpmathtools.h"
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#include <QElapsedTimer>
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#include <QRandomGenerator>
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#include <QObject>
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#include <QDir>
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#include <QString>
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class PlottingThread: public QThread {
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Q_OBJECT
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public:
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inline PlottingThread(const QString& filenamepart, int plotindex, int NUM_GRAPHS, int NUM_DATAPOINTS, const QString& labeltemplate, QObject* parent):
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QThread(parent),
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m_plotindex(plotindex),
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m_runtimeNanoseconds(0),
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m_filenamepart(filenamepart),
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m_filename(),
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m_NUM_GRAPHS(NUM_GRAPHS),
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m_NUM_DATAPOINTS(NUM_DATAPOINTS),
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m_labeltemplate(labeltemplate)
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{}
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inline static QString plotAndSave(const QString& filenamepart, int plotIndex, int NUM_GRAPHS, int NUM_DATAPOINTS, const QString& labeltemplate, double* runtimeNanoseconds=nullptr) {
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QElapsedTimer timer;
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timer.start();
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const QString filename=QDir(QDir::tempPath()).absoluteFilePath(QString("testimg_%1_%2.png").arg(filenamepart).arg(plotIndex));
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JKQTBasePlotter plot(true);
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const size_t colX=plot.getDatastore()->addLinearColumn(NUM_DATAPOINTS, 0, 10, "x");
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QRandomGenerator rng;
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for (int i=0; i<NUM_GRAPHS; i++) {
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JKQTPXYLineGraph* g;
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plot.addGraph(g=new JKQTPXYLineGraph(&plot));
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g->setXColumn(colX);
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g->setYColumn(plot.getDatastore()->addColumnCalculatedFromColumn(colX, [&](double x) { return cos(x+double(i+plotIndex)/8.0*JKQTPSTATISTICS_PI)+rng.generateDouble()*0.2-0.1;}));
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g->setTitle(labeltemplate.arg(i+plotIndex+1));
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g->setDrawLine(true);
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g->setSymbolType(JKQTPNoSymbol);
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}
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plot.setPlotLabel(QString("Test Plot %1 (%2)").arg(plotIndex+1).arg(filenamepart));
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plot.getXAxis()->setAxisLabel("x-axis $x$");
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plot.getYAxis()->setAxisLabel("y-axis $f(x)$");
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plot.zoomToFit();
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plot.saveAsPixelImage(filename, false, "PNG");
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if (runtimeNanoseconds) *runtimeNanoseconds=timer.nsecsElapsed();
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return filename;
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}
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inline double getRuntimeNanosends() const {
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return m_runtimeNanoseconds;
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}
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inline QString getFilename() const {
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return m_filename;
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}
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protected:
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inline virtual void run() {
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m_filename=plotAndSave(m_filenamepart, m_plotindex, m_NUM_GRAPHS, m_NUM_DATAPOINTS, m_labeltemplate, &m_runtimeNanoseconds);
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}
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int m_plotindex;
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double m_runtimeNanoseconds;
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QString m_filename;
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const QString m_filenamepart;
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const int m_NUM_GRAPHS;
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const int m_NUM_DATAPOINTS;
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const QString m_labeltemplate;
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};
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#endif // MULTITHREADED_THREAD_H
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