Method draw

src/backend/worksheet/plots/cartesian/BarPlot.cpp:1298–1338

}

void BarPlotPrivate::draw(QPainter* painter) {
	PERFTRACE(name() + QLatin1String(Q_FUNC_INFO));

	int columnIndex = 0;
	for (const auto& columnBarLines : m_barLines) { // loop over the different data columns
		int valueIndex = 0;
		for (const auto& barLines : columnBarLines) { // loop over the bars for every data column
			// draw the box filling
			if (columnIndex < backgrounds.size()) { // TODO: remove this check later
				const auto* background = backgrounds.at(columnIndex);
				if (background->enabled())
					background->draw(painter, m_fillPolygons.at(columnIndex).at(valueIndex));
			}

			// draw the border
			if (columnIndex < borderLines.size()) { // TODO: remove this check later
				const auto& borderPen = borderLines.at(columnIndex)->pen();
				const double borderOpacity = borderLines.at(columnIndex)->opacity();
				if (borderPen.style() != Qt::NoPen) {
					painter->setPen(borderPen);
					painter->setBrush(Qt::NoBrush);
					painter->setOpacity(borderOpacity);
					for (const auto& line : barLines) // loop over the four lines for every bar
						painter->drawLine(line);
				}
			}

			++valueIndex;
		}

		// draw error bars
		auto* errorBar = errorBars.at(columnIndex);
		if (errorBar && errorBar->yErrorType() != ErrorBar::ErrorType::NoError)
			errorBar->draw(painter, m_errorBarsPaths.at(columnIndex));

		++columnIndex;
	}

	// draw values
	value->draw(painter, m_valuesPoints, m_valuesStrings);
}

void BarPlotPrivate::paint(QPainter* painter, const QStyleOptionGraphicsItem* /*option*/, QWidget*) {
	if (!isVisible())