void DiveGasPressureItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
	if (polygon().isEmpty())
		return;
	QPen pen;
	pen.setCosmetic(true);
	pen.setWidth(2);
	struct plot_data *entry = dataModel->data().entry;
	Q_FOREACH (const QPolygonF &poly, polygons) {
		for (int i = 1, count = poly.count(); i < count; i++, entry++) {
			pen.setBrush(getSacColor(entry->sac, displayed_dive.sac));
			painter->setPen(pen);
			painter->drawLine(poly[i - 1], poly[i]);
		}
	}
}
void DiveGasPressureItem::paint(QPainter *painter, const QStyleOptionGraphicsItem*, QWidget*)
{
	if (polygon().isEmpty())
		return;
	QPen pen;
	pen.setCosmetic(true);
	pen.setWidth(2);
	painter->save();
	struct plot_data *entry;
	Q_FOREACH (const QPolygonF &poly, polygons) {
		entry = dataModel->data().entry;
		for (int i = 1, count = poly.count(); i < count; i++, entry++) {
			if (!in_planner()) {
				if (entry->sac)
					pen.setBrush(getSacColor(entry->sac, displayed_dive.sac));
				else
					pen.setBrush(MED_GRAY_HIGH_TRANS);
			} else {
				pen.setBrush(getPressureColor(entry->density));
			}
			painter->setPen(pen);
			painter->drawLine(poly[i - 1], poly[i]);
		}
	}