Method loadBackground

src/backend/datasources/projects/OriginProjectParser.cpp:2491–2565

}

void OriginProjectParser::loadBackground(const Origin::GraphCurve& originCurve, Background* background) const {
	DEBUG(Q_FUNC_INFO << ", fill area? " << originCurve.fillArea)
	// fillArea option not used in histogram and bar/column plot
	auto type = originCurve.type;
	if (!originCurve.fillArea && type != Origin::GraphCurve::Histogram && type != Origin::GraphCurve::Bar && type != Origin::GraphCurve::Column
		&& type != Origin::GraphCurve::BarStack && type != Origin::GraphCurve::ColumnStack) {
		background->setPosition(Background::Position::No);
		return;
	}
	// TODO: handle unsigned char fillAreaType;
	// with 'fillAreaType'=0x10 the area between the curve and the x-axis is filled
	// with 'fillAreaType'=0x14 the area included inside the curve is filled. First and last curve points are joined by a line to close the otherwise open
	// area. with 'fillAreaType'=0x12 the area excluded outside the curve is filled. The inverse of fillAreaType=0x14 is filled. At the moment we only
	// support the first type, so set it to XYCurve::FillingBelow
	background->setPosition(Background::Position::Below);

	if (originCurve.fillAreaPattern == 0) {
		background->setType(Background::Type::Color);
	} else {
		background->setType(Background::Type::Pattern);

		// map different patterns in originCurve.fillAreaPattern (has the values of Origin::FillPattern) to Qt::BrushStyle;
		switch (originCurve.fillAreaPattern) {
		case 0:
			background->setBrushStyle(Qt::NoBrush);
			break;
		case 1:
		case 2:
		case 3:
			background->setBrushStyle(Qt::BDiagPattern);
			break;
		case 4:
		case 5:
		case 6:
			background->setBrushStyle(Qt::FDiagPattern);
			break;
		case 7:
		case 8:
		case 9:
			background->setBrushStyle(Qt::DiagCrossPattern);
			break;
		case 10:
		case 11:
		case 12:
			background->setBrushStyle(Qt::HorPattern);
			break;
		case 13:
		case 14:
		case 15:
			background->setBrushStyle(Qt::VerPattern);
			break;
		case 16:
		case 17:
		case 18:
			background->setBrushStyle(Qt::CrossPattern);
			break;
		}
	}