void MainWindow::genMarginGroup()
{
resetPlot();
customPlot->plotLayout()->clear();
customPlot->plotLayout()->addElement(0, 0, new QCPAxisRect(customPlot));
customPlot->plotLayout()->addElement(0, 1, new QCPAxisRect(customPlot));
customPlot->plotLayout()->addElement(1, 0, new QCPAxisRect(customPlot));
customPlot->plotLayout()->addElement(1, 1, new QCPAxisRect(customPlot));
foreach (QCPAxisRect *r, customPlot->axisRects())
r->axis(QCPAxis::atBottom)->setTickLabels(false);
QCPMarginGroup *marginGroup = new QCPMarginGroup(customPlot);
customPlot->axisRect(0)->setMarginGroup(QCP::msLeft, marginGroup);
customPlot->axisRect(2)->setMarginGroup(QCP::msLeft, marginGroup);
customPlot->axisRect(0)->axis(QCPAxis::atLeft)->setRange(0, 1300);
customPlot->axisRect(1)->axis(QCPAxis::atLeft)->setRange(0, 1300);
customPlot->axisRect(0)->axis(QCPAxis::atLeft)->setLabel("y");
customPlot->axisRect(1)->axis(QCPAxis::atLeft)->setLabel("y");
customPlot->plotLayout()->setAutoMargins(QCP::msLeft|QCP::msRight|QCP::msBottom);
customPlot->plotLayout()->setMargins(QMargins(0, 25, 0, 0));
QFont textFont;
textFont.setBold(true);
QCPItemText *leftCaption = new QCPItemText(customPlot);
customPlot->addItem(leftCaption);
leftCaption->position->setType(QCPItemPosition::ptViewportRatio);
leftCaption->setClipToAxisRect(false);
leftCaption->position->setCoords(0.25, 0);
leftCaption->setPositionAlignment(Qt::AlignTop|Qt::AlignHCenter);
leftCaption->setText("left sides in margin group");
leftCaption->setFont(textFont);
QCPItemText *rightCaption = new QCPItemText(customPlot);
customPlot->addItem(rightCaption);
rightCaption->position->setType(QCPItemPosition::ptViewportRatio);
rightCaption->position->setCoords(0.75, 0);
rightCaption->setClipToAxisRect(false);
rightCaption->setPositionAlignment(Qt::AlignTop|Qt::AlignHCenter);
rightCaption->setText("no margin group");
rightCaption->setFont(textFont);
QCPItemLine *splitter = new QCPItemLine(customPlot);
splitter->start->setType(QCPItemPosition::ptViewportRatio);
splitter->start->setCoords(0.5, 0);
splitter->end->setType(QCPItemPosition::ptViewportRatio);
splitter->end->setCoords(0.5, 1);
splitter->setClipToAxisRect(false);
splitter->setPen(QPen(Qt::gray, 0, Qt::DashLine));
customPlot->savePng(dir.filePath("QCPMarginGroup.png"), 400, 400);
}
void MainWindow::genAxisRectSpacingOverview()
{
resetPlot();
customPlot->xAxis->setRange(-0.4, 1.4);
customPlot->yAxis->setRange(100, 900);
customPlot->xAxis->setVisible(true);
customPlot->yAxis->setVisible(true);
customPlot->axisRect()->setupFullAxesBox();
customPlot->xAxis->setTickLabels(false);
customPlot->axisRect()->setAutoMargins(QCP::msNone);
customPlot->axisRect()->setMargins(QMargins(200, 50, 20, 165));
customPlot->axisRect()->setBackground(QColor(245, 245, 245));
customPlot->yAxis->setLabel("Axis Label");
customPlot->yAxis->setOffset(30);
customPlot->yAxis->setTickLabelPadding(30);
customPlot->yAxis->setLabelPadding(30);
customPlot->yAxis->setTickLengthOut(5);
customPlot->yAxis->setSubTickLengthOut(2);
addBracket(QPointF(200-95-27-17, 30), QPointF(1, 30), "Padding (if auto margins enabled)", QPointF(-25, -5), false, Qt::AlignLeft|Qt::AlignBottom);
addBracket(QPointF(1, 370), QPointF(200, 370), "Margin", QPointF(0, 5), false, Qt::AlignHCenter|Qt::AlignTop);
addBracket(QPointF(200-30, 240), QPointF(200, 240), "Axis offset", QPointF(-1, 5), true, Qt::AlignRight|Qt::AlignVCenter);
addBracket(QPointF(200-35, 250), QPointF(200-30, 250), "Tick length out", QPointF(-1, 5), true, Qt::AlignRight|Qt::AlignVCenter);
addBracket(QPointF(200-65, 240), QPointF(200-35, 240), "Tick label padding", QPointF(-1, 5), true, Qt::AlignRight|Qt::AlignVCenter);
addBracket(QPointF(200-95-25, 240), QPointF(200-65-25, 240), "Label padding", QPointF(-1, 5), true, Qt::AlignRight|Qt::AlignVCenter);
QCPItemLine *leftBorder = new QCPItemLine(customPlot);
customPlot->addItem(leftBorder);
leftBorder->setClipToAxisRect(false);
leftBorder->start->setType(QCPItemPosition::ptViewportRatio);
leftBorder->end->setType(QCPItemPosition::ptViewportRatio);
leftBorder->start->setCoords(0, 0);
leftBorder->end->setCoords(0, 1);
leftBorder->setPen(QPen(Qt::gray, 0, Qt::DashLine));
QCPItemText *axisRectLabel = new QCPItemText(customPlot);
customPlot->addItem(axisRectLabel);
axisRectLabel->position->setType(QCPItemPosition::ptAxisRectRatio);
axisRectLabel->position->setCoords(0.5, 0.5);
axisRectLabel->setFont(QFont(QFont().family(), 16));
axisRectLabel->setText("QCPAxisRect");
axisRectLabel->setColor(QColor(0, 0, 0, 60));
customPlot->savePng(dir.filePath("AxisRectSpacingOverview.png"), 400, 400);
}
