Method loadWorksheet

src/backend/datasources/projects/OriginProjectParser.cpp:1236–1421

}

bool OriginProjectParser::loadWorksheet(Worksheet* worksheet, bool preview) {
	DEBUG(Q_FUNC_INFO << ", preview = " << preview)
	if (worksheet->parentAspect())
		DEBUG(Q_FUNC_INFO << ", parent PATH " << STDSTRING(worksheet->parentAspect()->path()))

	// load worksheet data
	const auto& graph = m_originFile->graph(findWorksheetByName(worksheet->name()));
	DEBUG(Q_FUNC_INFO << ", worksheet name = " << graph.name);
	worksheet->setComment(QLatin1String(graph.label.c_str()));

	// TODO: width, height, view mode (print view, page view, window view, draft view)
	// Origin allows to freely resize the window and ajusts the size of the plot (layer) automatically
	// by keeping a certain width-to-height ratio. It's not clear what the actual size of the plot/layer is and how to handle this.
	// For now we simply create a new worksheet here with it's default size and make it using the whole view size.
	// Later we can decide to use one of the following properties:
	//  1) Window.frameRect gives Rect-corner coordinates (in pixels) of the Window object
	//  2) GraphLayer.clientRect gives Rect-corner coordinates (pixels) of the Layer inside the (printer?) page.
	//  3) Graph.width, Graph.height give the (printer?) page size in pixels.
	// 	const QRectF size(0, 0,
	// 			Worksheet::convertToSceneUnits(graph.width/600., Worksheet::Inch),
	// 			Worksheet::convertToSceneUnits(graph.height/600., Worksheet::Inch));
	// 	worksheet->setPageRect(size);
	graphSize.rwidth() = graph.width;
	graphSize.rheight() = graph.height;
	WARN(Q_FUNC_INFO << ", GRAPH width/height (px) = " << graphSize.width() << "/" << graphSize.height())
	// Graphic elements in Origin are scaled relative to the dimensions of the page (Format->Page) with 600 DPI (>=9.6), 300 DPI (<9.6)
	double dpi = 600.;
	if (m_originFile->version() < 9.6)
		dpi = 300.;
	WARN(Q_FUNC_INFO << ", GRAPH width/height (cm) = " << graphSize.width() * GSL_CONST_CGS_INCH / dpi << "/" << graphSize.height() * GSL_CONST_CGS_INCH / dpi)
	// Origin scales text and plots with the size of the layer when no fixed size is used (Layer properties->Size)
	// so we scale all text and plots with a scaling factor to the whole view height used as default
#if defined(HAVE_WINDOWS)
	const double fixedHeight = 14.75; // full height/2 [cm]
#else
	const double fixedHeight = 29.5; // full height [cm]
#endif
	elementScalingFactor = fixedHeight / (graph.height * GSL_CONST_CGS_INCH / dpi);
	// not using the full value for scaling text is better in most cases
	textScalingFactor = 1. + (elementScalingFactor - 1.) / 2.;
	WARN(Q_FUNC_INFO << ", ELEMENT SCALING FACTOR = " << elementScalingFactor)
	WARN(Q_FUNC_INFO << ", TEXT SCALING FACTOR = " << textScalingFactor)
	// default values (1000/1000)
	//	DEBUG(Q_FUNC_INFO << ", WORKSHEET width/height = " << worksheet->pageRect().width() << "/" << worksheet->pageRect().height())

	worksheet->setUseViewSize(true);

	QHash<TextLabel*, QSizeF> textLabelPositions;

	// worksheet background color
	const Origin::ColorGradientDirection bgColorGradient = graph.windowBackgroundColorGradient;
	const Origin::Color bgBaseColor = graph.windowBackgroundColorBase;
	const Origin::Color bgEndColor = graph.windowBackgroundColorEnd;
	worksheet->background()->setColorStyle(backgroundColorStyle(bgColorGradient));
	switch (bgColorGradient) {
	case Origin::ColorGradientDirection::NoGradient:
	case Origin::ColorGradientDirection::TopLeft:
	case Origin::ColorGradientDirection::Left: