Method recalcShapeAndBoundingRect

src/backend/worksheet/plots/cartesian/BarPlot.cpp:1241–1274

! recalculates the outer bounds and the shape of the item. */

  recalculates the outer bounds and the shape of the item.
*/
void BarPlotPrivate::recalcShapeAndBoundingRect() {
	if (suppressRecalc)
		return;

	prepareGeometryChange();
	m_shape = QPainterPath();

	int index = 0;
	for (const auto& columnBarLines : m_barLines) { // loop over the different data columns
		for (const auto& barLines : columnBarLines) { // loop over the bars for every data column
			QPainterPath barPath;
			for (const auto& line : barLines) { // loop over the four lines for every bar
				barPath.moveTo(line.p1());
				barPath.lineTo(line.p2());
			}

			if (index < borderLines.count()) { // TODO
				const auto& borderPen = borderLines.at(index)->pen();
				m_shape.addPath(WorksheetElement::shapeFromPath(barPath, borderPen));
			}
		}

		if (index < errorBars.size() && errorBars.at(index) && errorBars.at(index)->yErrorType() != ErrorBar::ErrorType::NoError)
			m_shape.addPath(WorksheetElement::shapeFromPath(m_errorBarsPaths.at(index), errorBars.at(index)->line()->pen()));

		++index;
	}

	if (value->type() != Value::NoValues)
		m_shape.addPath(m_valuesPath);

	m_boundingRectangle = m_shape.boundingRect();
	updatePixmap();
}

void BarPlotPrivate::updatePixmap() {
	PERFTRACE(name() + QLatin1String(Q_FUNC_INFO));