void Record::createWaveFormPic(Ffmpeg_t *ffmpeg, QString recortPath) {
std::pair<std::vector<double>, std::vector<double> > dataWaveForm = ffmpeg->getSamplesForWaveformPlotting(recortPath + "/" + m_Name);
QCustomPlot Plotter;
Plotter.setBackground(QBrush(Qt::transparent) );
Plotter.xAxis->setVisible(false);
Plotter.yAxis->setVisible(false);
Plotter.axisRect()->setAutoMargins(QCP::msNone);
Plotter.axisRect()->setMargins(QMargins(0, 5, 0, 5));
QCPGraph *Waveform = Plotter.addGraph();
Waveform->setPen(QPen(Qt::green) );
if (!Waveform)
{
qDebug("addGraph failed\n");
}
QVector<double> Amplitudes(QVector<double>::fromStdVector(dataWaveForm.first) );
QVector<double> Time;
double CurrentTime = 0;
auto TimeSlotCount = Amplitudes.size();
for (int64_t i = 1; i < TimeSlotCount; i++)
{
Time.append(CurrentTime);
CurrentTime += 0.5;
}
Waveform->setData(Time, Amplitudes);
Plotter.xAxis->setRange(0, Time.back() );
Plotter.yAxis->setRange(SHRT_MIN, SHRT_MAX);
QByteArray ByteArray;
QBuffer Buffer(&ByteArray);
Buffer.open(QBuffer::WriteOnly);
uint32_t time = m_EndTime - m_StartTime;
for (int i = 1; i < 10000; i*=10) {
Plotter.toPixmap(time/(i), this->height()).save(&Buffer, "PNG", 0);
//Plotter.saveJpg(recortPath + "/plot" + QString::number(m_Id) + QString::number(i) + ".jpg", time/(i), this->height());
QPixmap Pixmap;
Pixmap.loadFromData(ByteArray, "PNG");
v_PixWaves.append(Pixmap);
ByteArray.clear();
Buffer.reset();
}
Buffer.close();
qDebug() << m_WavePic->margin();
// místo 2 podle toho jaký zoom
m_WavePic->setPixmap(v_PixWaves[2]);
}
QCustomPlot* Plots::createChart(QVector<double> x, QVector<double> y, QString chartName)
{
QCustomPlot* customPlot = new QCustomPlot();
// create and configure plottables:
QCPBars *bars1 = new QCPBars(customPlot->xAxis, customPlot->yAxis);
customPlot->addPlottable(bars1);
bars1->setWidth(0.3);
bars1->setData(x, y);
bars1->setPen(QPen(Qt::red));
bars1->setBrush(QColor(10, 140, 70, 160));
// set title of plot:
customPlot->plotLayout()->insertRow(0);
customPlot->plotLayout()->addElement(0, 0, new QCPPlotTitle(customPlot, chartName));
// set a fixed tick-step to one tick per year value:
customPlot->xAxis->setAutoTickStep(false);
customPlot->xAxis->setTickStep(1);
customPlot->xAxis->setSubTickCount(3);
// set a fixed tick-step to one tick per колво value:
customPlot->yAxis->setAutoTickStep(false);
customPlot->yAxis->setTickStep(10);
customPlot->yAxis->setSubTickCount(3);
// labels
customPlot->xAxis->setLabel("Год");
customPlot->yAxis->setLabel("% человек");
customPlot->yAxis->setLabelColor(Qt::white);
customPlot->xAxis->setLabelColor(Qt::white);
// move bars above graphs and grid below bars:
customPlot->addLayer("abovemain", customPlot->layer("main"), QCustomPlot::limAbove);
customPlot->addLayer("belowmain", customPlot->layer("main"), QCustomPlot::limBelow);
bars1->setLayer("abovemain");
customPlot->xAxis->grid()->setLayer("belowmain");
customPlot->yAxis->grid()->setLayer("belowmain");
// set some pens, brushes and backgrounds:
customPlot->xAxis->setBasePen(QPen(Qt::white, 1));
customPlot->yAxis->setBasePen(QPen(Qt::white, 1));
customPlot->xAxis->setTickPen(QPen(Qt::white, 1));
customPlot->yAxis->setTickPen(QPen(Qt::white, 1));
customPlot->xAxis->setSubTickPen(QPen(Qt::white, 1));
customPlot->yAxis->setSubTickPen(QPen(Qt::white, 1));
customPlot->xAxis->setTickLabelColor(Qt::white);
customPlot->yAxis->setTickLabelColor(Qt::white);
customPlot->xAxis->grid()->setPen(QPen(QColor(140, 140, 140), 1, Qt::DotLine));
customPlot->yAxis->grid()->setPen(QPen(QColor(140, 140, 140), 1, Qt::DotLine));
customPlot->xAxis->grid()->setSubGridPen(QPen(QColor(80, 80, 80), 1, Qt::DotLine));
customPlot->yAxis->grid()->setSubGridPen(QPen(QColor(80, 80, 80), 1, Qt::DotLine));
customPlot->xAxis->grid()->setSubGridVisible(true);
customPlot->yAxis->grid()->setSubGridVisible(true);
customPlot->xAxis->grid()->setZeroLinePen(Qt::NoPen);
customPlot->yAxis->grid()->setZeroLinePen(Qt::NoPen);
customPlot->xAxis->setUpperEnding(QCPLineEnding::esSpikeArrow);
customPlot->yAxis->setUpperEnding(QCPLineEnding::esSpikeArrow);
QLinearGradient plotGradient;
plotGradient.setStart(0, 0);
plotGradient.setFinalStop(0, 350);
plotGradient.setColorAt(0, QColor(80, 80, 80));
plotGradient.setColorAt(1, QColor(50, 50, 50));
customPlot->setBackground(plotGradient);
QLinearGradient axisRectGradient;
axisRectGradient.setStart(0, 0);
axisRectGradient.setFinalStop(0, 350);
axisRectGradient.setColorAt(0, QColor(80, 80, 80));
axisRectGradient.setColorAt(1, QColor(30, 30, 30));
customPlot->axisRect()->setBackground(axisRectGradient);
customPlot->rescaleAxes();
customPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom | QCP::iSelectPlottables);
return customPlot;
}
