Method drawBackgroundItems

src/frontend/worksheet/WorksheetView.cpp:726–772

}

void WorksheetView::drawBackgroundItems(QPainter* painter, const QRectF& scene_rect) {
	// canvas
	m_worksheet->background()->draw(painter, scene_rect);

	// grid
	if (m_gridSettings.style != GridStyle::NoGrid && !m_isPrinting) {
		QColor c = m_gridSettings.color;
		c.setAlphaF(m_gridSettings.opacity);
		painter->setPen(c);

		qreal x, y;
		qreal left = scene_rect.left();
		qreal right = scene_rect.right();
		qreal top = scene_rect.top();
		qreal bottom = scene_rect.bottom();

		if (m_gridSettings.style == GridStyle::Line) {
			QLineF line;

			// horizontal lines
			y = top + m_gridSettings.verticalSpacing;
			while (y < bottom) {
				line.setLine(left, y, right, y);
				painter->drawLine(line);
				y += m_gridSettings.verticalSpacing;
			}

			// vertical lines
			x = left + m_gridSettings.horizontalSpacing;
			while (x < right) {
				line.setLine(x, top, x, bottom);
				painter->drawLine(line);
				x += m_gridSettings.horizontalSpacing;
			}
		} else { // DotGrid
			y = top + m_gridSettings.verticalSpacing;
			while (y < bottom) {
				x = left; // + m_gridSettings.horizontalSpacing;
				while (x < right) {
					x += m_gridSettings.horizontalSpacing;
					painter->drawPoint(x, y);
				}
				y += m_gridSettings.verticalSpacing;
			}
		}
	}
}

void WorksheetView::drawBackground(QPainter* painter, const QRectF& rect) {
	painter->save();