59 lines
2.0 KiB
C++
59 lines
2.0 KiB
C++
#include "frmlinestyle.h"
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#include "ui_frmlinestyle.h"
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#include "qdebug.h"
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frmLineStyle::frmLineStyle(QWidget *parent) : QWidget(parent), ui(new Ui::frmLineStyle)
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{
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ui->setupUi(this);
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this->initForm();
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}
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frmLineStyle::~frmLineStyle()
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{
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delete ui;
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}
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void frmLineStyle::initForm()
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{
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ui->customPlot->legend->setVisible(true);
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ui->customPlot->legend->setFont(QFont("Helvetica", 9));
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QPen pen;
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QStringList lineNames;
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lineNames << "lsNone" << "lsLine" << "lsStepLeft" << "lsStepRight" << "lsStepCenter" << "lsImpulse";
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// add graphs with different line styles:
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for (int i = QCPGraph::lsNone; i <= QCPGraph::lsImpulse; ++i) {
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ui->customPlot->addGraph();
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pen.setColor(QColor(qSin(i * 1 + 1.2) * 80 + 80, qSin(i * 0.3 + 0) * 80 + 80, qSin(i * 0.3 + 1.5) * 80 + 80));
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ui->customPlot->graph()->setPen(pen);
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ui->customPlot->graph()->setName(lineNames.at(i - QCPGraph::lsNone));
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ui->customPlot->graph()->setLineStyle((QCPGraph::LineStyle)i);
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ui->customPlot->graph()->setScatterStyle(QCPScatterStyle(QCPScatterStyle::ssCircle, 5));
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// generate data:
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QVector<double> x(15), y(15);
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for (int j = 0; j < 15; ++j) {
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x[j] = j / 15.0 * 5 * 3.14 + 0.01;
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y[j] = 7 * qSin(x[j]) / x[j] - (i - QCPGraph::lsNone) * 5 + (QCPGraph::lsImpulse) * 5 + 2;
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}
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ui->customPlot->graph()->setData(x, y);
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ui->customPlot->graph()->rescaleAxes(true);
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}
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// zoom out a bit:
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ui->customPlot->yAxis->scaleRange(1.1, ui->customPlot->yAxis->range().center());
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ui->customPlot->xAxis->scaleRange(1.1, ui->customPlot->xAxis->range().center());
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// set blank axis lines:
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ui->customPlot->xAxis->setTicks(false);
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ui->customPlot->yAxis->setTicks(true);
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ui->customPlot->xAxis->setTickLabels(false);
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ui->customPlot->yAxis->setTickLabels(true);
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// make top right axes clones of bottom left axes:
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ui->customPlot->axisRect()->setupFullAxesBox();
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ui->customPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);
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}
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