! Saves a PDF with the vectorized plot to the file \a fileName. The axis ratio as well as the scale of texts and lines will be derived from the specified \a width and \a height. This means, the output will look like the normal on-screen output of a QCustomPlot widget with the corresponding pixel width and height. If either \a width or \a height is zero, the exported image will have the s
| 14484 | \see savePng, saveBmp, saveJpg, saveRastered |
| 14485 | */ |
| 14486 | bool QCustomPlot::savePdf(const QString &fileName, int width, int height, QCP::ExportPen exportPen, const QString &pdfCreator, const QString &pdfTitle) |
| 14487 | { |
| 14488 | bool success = false; |
| 14489 | #ifdef QT_NO_PRINTER |
| 14490 | Q_UNUSED(fileName) |
| 14491 | Q_UNUSED(exportPen) |
| 14492 | Q_UNUSED(width) |
| 14493 | Q_UNUSED(height) |
| 14494 | Q_UNUSED(pdfCreator) |
| 14495 | Q_UNUSED(pdfTitle) |
| 14496 | qDebug() << Q_FUNC_INFO << "Qt was built without printer support (QT_NO_PRINTER). PDF not created."; |
| 14497 | #else |
| 14498 | int newWidth, newHeight; |
| 14499 | if (width == 0 || height == 0) |
| 14500 | { |
| 14501 | newWidth = this->width(); |
| 14502 | newHeight = this->height(); |
| 14503 | } else |
| 14504 | { |
| 14505 | newWidth = width; |
| 14506 | newHeight = height; |
| 14507 | } |
| 14508 | |
| 14509 | QPrinter printer(QPrinter::ScreenResolution); |
| 14510 | printer.setOutputFileName(fileName); |
| 14511 | printer.setOutputFormat(QPrinter::PdfFormat); |
| 14512 | printer.setColorMode(QPrinter::Color); |
| 14513 | printer.printEngine()->setProperty(QPrintEngine::PPK_Creator, pdfCreator); |
| 14514 | printer.printEngine()->setProperty(QPrintEngine::PPK_DocumentName, pdfTitle); |
| 14515 | QRect oldViewport = viewport(); |
| 14516 | setViewport(QRect(0, 0, newWidth, newHeight)); |
| 14517 | #if QT_VERSION < QT_VERSION_CHECK(5, 3, 0) |
| 14518 | printer.setFullPage(true); |
| 14519 | printer.setPaperSize(viewport().size(), QPrinter::DevicePixel); |
| 14520 | #else |
| 14521 | QPageLayout pageLayout; |
| 14522 | pageLayout.setMode(QPageLayout::FullPageMode); |
| 14523 | pageLayout.setOrientation(QPageLayout::Portrait); |
| 14524 | pageLayout.setMargins(QMarginsF(0, 0, 0, 0)); |
| 14525 | pageLayout.setPageSize(QPageSize(viewport().size(), QPageSize::Point, QString(), QPageSize::ExactMatch)); |
| 14526 | printer.setPageLayout(pageLayout); |
| 14527 | #endif |
| 14528 | QCPPainter printpainter; |
| 14529 | if (printpainter.begin(&printer)) |
| 14530 | { |
| 14531 | printpainter.setMode(QCPPainter::pmVectorized); |
| 14532 | printpainter.setMode(QCPPainter::pmNoCaching); |
| 14533 | printpainter.setMode(QCPPainter::pmNonCosmetic, exportPen==QCP::epNoCosmetic); |
| 14534 | printpainter.setWindow(mViewport); |
| 14535 | if (mBackgroundBrush.style() != Qt::NoBrush && |
| 14536 | mBackgroundBrush.color() != Qt::white && |
| 14537 | mBackgroundBrush.color() != Qt::transparent && |
| 14538 | mBackgroundBrush.color().alpha() > 0) // draw pdf background color if not white/transparent |
| 14539 | printpainter.fillRect(viewport(), mBackgroundBrush); |
| 14540 | draw(&printpainter); |
| 14541 | printpainter.end(); |
| 14542 | success = true; |
| 14543 | } |