Method print

src/frontend/datapicker/DatapickerImageView.cpp:912–956

}

void DatapickerImageView::print(QPrinter* printer) {
	const QRectF& scene_rect = sceneRect();
	const int w = Worksheet::convertFromSceneUnits(scene_rect.width(), Worksheet::Unit::Millimeter);
	const int h = Worksheet::convertFromSceneUnits(scene_rect.height(), Worksheet::Unit::Millimeter);
	printer->setPageSize(QPageSize(QSizeF(w, h), QPageSize::Millimeter));
	printer->setPageMargins(QMarginsF(0, 0, 0, 0), QPageLayout::Millimeter);
	printer->setPrintRange(QPrinter::PageRange);
	printer->setCreator(QStringLiteral("LabPlot ") + QLatin1String(LVERSION));

	QPainter painter(printer);
	QRectF targetRect(0, 0, painter.device()->width(), painter.device()->height());
	painter.setRenderHint(QPainter::Antialiasing);
	painter.begin(printer);
	painter.save();
	painter.scale(targetRect.width() / scene_rect.width(), targetRect.height() / scene_rect.height());

	// canvas
	if (m_image->isLoaded) {
		if (m_image->plotImageType() == DatapickerImage::PlotImageType::OriginalImage) {
			QImage todraw = m_image->originalPlotImage.scaled(scene_rect.width(), scene_rect.height(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
			painter.drawImage(scene_rect.topLeft(), todraw);
		} else if (m_image->plotImageType() == DatapickerImage::PlotImageType::ProcessedImage) {
			QImage todraw = m_image->processedPlotImage.scaled(scene_rect.width(), scene_rect.height(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
			painter.drawImage(scene_rect.topLeft(), todraw);
		} else
			painter.fillRect(scene_rect, Qt::white);
	} else {
		painter.setBrush(QBrush(Qt::gray));
		painter.drawRect(scene_rect);
	}

	painter.restore();
	m_image->setPrinting(true);
	bool magnificationActive = false;
	if (m_image->m_magnificationWindow && m_image->m_magnificationWindow->isVisible()) {
		magnificationActive = true;
		m_image->m_magnificationWindow->setVisible(false);
	}
	scene()->render(&painter, QRectF(), scene_rect);
	m_image->setPrinting(false);
	painter.end();

	if (magnificationActive)
		m_image->m_magnificationWindow->setVisible(true);
}

void DatapickerImageView::updateBackground() {
	invalidateScene(sceneRect(), QGraphicsScene::BackgroundLayer);