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| 1 | +#include "dataratechart.h" |
| 2 | + |
| 3 | +DataRateChart::DataRateChart(QObject *parent, QCustomPlot *plotWidget) : QObject(parent) |
| 4 | +{ |
| 5 | + dataRatePlot = plotWidget; |
| 6 | + createDataRateChart(); |
| 7 | + |
| 8 | + appRunningClock.start(); |
| 9 | +} |
| 10 | + |
| 11 | +void DataRateChart::disableDataRateChart() |
| 12 | +{ |
| 13 | + dataRatePlot->clearGraphs(); |
| 14 | + dataRatePlot->xAxis->setVisible(false); |
| 15 | + dataRatePlot->xAxis2->setVisible(false); |
| 16 | + dataRatePlot->yAxis->setVisible(false); |
| 17 | + dataRatePlot->yAxis2->setVisible(false); |
| 18 | + dataRatePlot->replot(); |
| 19 | +} |
| 20 | + |
| 21 | +void DataRateChart::createDataRateChart() |
| 22 | +{ |
| 23 | + QSharedPointer<QCPAxisTickerTime> xTicker(new QCPAxisTickerTime); |
| 24 | + QSharedPointer<QCPAxisTicker> yTicker(new QCPAxisTicker); |
| 25 | + xTicker->setTimeFormat("%h:%m:%s:%z"); |
| 26 | + xTicker->setTickCount(5); |
| 27 | + yTicker->setTickCount(3); |
| 28 | + yTicker->setTickStepStrategy(QCPAxisTicker::TickStepStrategy::tssReadability); |
| 29 | + |
| 30 | + dataRatePlot->xAxis->setTicker(xTicker); |
| 31 | + dataRatePlot->yAxis->setTicker(yTicker); |
| 32 | + dataRatePlot->xAxis->setTickLabels(false); |
| 33 | + dataRatePlot->yAxis->setLabel("[ kB / s ]"); |
| 34 | + dataRatePlot->yAxis->setLabelPadding(5); |
| 35 | + dataRatePlot->axisRect()->insetLayout()->setInsetAlignment(0, Qt::AlignBottom|Qt::AlignLeft); |
| 36 | + dataRatePlot->axisRect()->setAutoMargins(QCP::msLeft); |
| 37 | + dataRatePlot->axisRect()->setMargins(QMargins(0,0,0,0)); |
| 38 | + dataRatePlot->axisRect()->setupFullAxesBox(true); |
| 39 | + dataRatePlot->legend->setVisible(false); |
| 40 | + dataRatePlot->setContextMenuPolicy(Qt::ContextMenuPolicy::CustomContextMenu); |
| 41 | + |
| 42 | + dataRatePlot->addGraph(); |
| 43 | + dataRatePlot->graph()->setName("dataRateBytesPerSec"); |
| 44 | + // ui->widgetChart->graph()->selectionDecorator()-> setPen(QPen(Qt::darkBlue, 1.0, Qt::PenStyle::SolidLine)); |
| 45 | + |
| 46 | + dataRatePlot->graph()->setLineStyle(QCPGraph::LineStyle::lsLine); |
| 47 | + dataRatePlot->graph()->setScatterStyle(QCPScatterStyle::ScatterShape::ssNone); |
| 48 | + dataRatePlot->graph()->setPen(QPen(Qt::GlobalColor::darkGreen)); |
| 49 | + |
| 50 | + connect(dataRatePlot, SIGNAL(beforeReplot()), this, SLOT(chartDataRateRunAutoTrackSlot())); |
| 51 | + |
| 52 | + dataRatePlot->replot(); |
| 53 | +} |
| 54 | + |
| 55 | +void DataRateChart::clearDataRateChart(bool replot) |
| 56 | +{ |
| 57 | + if (dataRatePlot->graphCount() > 0) |
| 58 | + dataRatePlot->graph()->data().data()->clear(); |
| 59 | + |
| 60 | + if (replot) |
| 61 | + dataRatePlot->replot(); |
| 62 | +} |
| 63 | + |
| 64 | +void DataRateChart::processDataRateChart(QString input) |
| 65 | +{ |
| 66 | + static unsigned long long lastTime = 0; |
| 67 | + unsigned long long deltaT = appRunningClock.elapsed() - lastTime; |
| 68 | + lastTime = appRunningClock.elapsed(); |
| 69 | + |
| 70 | + static float bytesPerSec = 0, currentBytesPerSec = 0; |
| 71 | + if (input.size() > 0) |
| 72 | + currentBytesPerSec = input.size() / ((float)deltaT / 1000.0); |
| 73 | + else |
| 74 | + currentBytesPerSec = 0; |
| 75 | + |
| 76 | + auto alpha = 0.25; |
| 77 | + bytesPerSec = (alpha * currentBytesPerSec) + ((1.0f - alpha) * bytesPerSec); |
| 78 | + |
| 79 | + dataRatePlot->graph()->addData(appRunningClock.elapsed() / 1000.0, bytesPerSec / 1000.0); |
| 80 | + dataRatePlot->graph()->data().data()->removeBefore((appRunningClock.elapsed() / 1000.0) - 10.0); |
| 81 | + dataRatePlot->replot(); |
| 82 | +} |
| 83 | + |
| 84 | +void DataRateChart::chartDataRateRunAutoTrackSlot() |
| 85 | +{ |
| 86 | + dataRatePlot->xAxis->setRange((appRunningClock.elapsed() / 1000.0) + (10.0f * 0.05), |
| 87 | + 10.0f, Qt::AlignRight); |
| 88 | + |
| 89 | + dataRatePlot->yAxis->rescale(); |
| 90 | + dataRatePlot->yAxis->scaleRange(2); |
| 91 | + // ui->widgetDataRateChart->yAxis->setRangeLower(-2); |
| 92 | +} |
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