void UBExportFullPDF::saveOverlayPdf(UBDocumentProxy* pDocumentProxy, const QString& filename)
{
if (!pDocumentProxy || filename.length() == 0 || pDocumentProxy->pageCount() == 0)
return;
//PDF
qDebug() << "exporting document to PDF Merger" << filename;
QPrinter pdfPrinter;
pdfPrinter.setOutputFormat(QPrinter::PdfFormat);
pdfPrinter.setResolution(UBSettings::settings()->pdfResolution->get().toInt());
pdfPrinter.setOutputFileName(filename);
pdfPrinter.setFullPage(true);
QPainter* pdfPainter = 0;
for(int pageIndex = 0 ; pageIndex < pDocumentProxy->pageCount(); pageIndex++)
{
UBGraphicsScene* scene = UBPersistenceManager::persistenceManager()->loadDocumentScene(pDocumentProxy, pageIndex);
// set background to white, no grid for PDF output
bool isDark = scene->isDarkBackground();
bool isCrossed = scene->isCrossedBackground();
scene->setBackground(false, false);
// set high res rendering
scene->setRenderingQuality(UBItem::RenderingQualityHigh);
scene->setRenderingContext(UBGraphicsScene::PdfExport);
QSize pageSize = scene->nominalSize();
UBGraphicsPDFItem *pdfItem = qgraphicsitem_cast<UBGraphicsPDFItem*>(scene->backgroundObject());
if (pdfItem) mHasPDFBackgrounds = true;
pdfPrinter.setPaperSize(QSizeF(pageSize.width()*mScaleFactor, pageSize.height()*mScaleFactor), QPrinter::Point);
if (!pdfPainter) pdfPainter = new QPainter(&pdfPrinter);
if (pageIndex != 0) pdfPrinter.newPage();
//render to PDF
scene->setDrawingMode(true);
scene->render(pdfPainter, QRectF(), scene->normalizedSceneRect());
//restore screen rendering quality
scene->setRenderingContext(UBGraphicsScene::Screen);
scene->setRenderingQuality(UBItem::RenderingQualityNormal);
//restore background state
scene->setDrawingMode(false);
scene->setBackground(isDark, isCrossed);
}
if (pdfPainter) delete pdfPainter;
}
bool UBExportPDF::persistsDocument(UBDocumentProxy* pDocumentProxy, const QString& filename)
{
QPrinter pdfPrinter;
qDebug() << "exporting document to PDF" << filename;
pdfPrinter.setOutputFormat(QPrinter::PdfFormat);
pdfPrinter.setResolution(UBSettings::settings()->pdfResolution->get().toInt());
pdfPrinter.setOutputFileName(filename);
pdfPrinter.setFullPage(true);
//need to calculate screen resolution
QDesktopWidget* desktop = UBApplication::desktop();
int dpiCommon = (desktop->physicalDpiX() + desktop->physicalDpiY()) / 2;
float scaleFactor = 72.0f / dpiCommon;
QPainter pdfPainter;
bool painterNeedsBegin = true;
int existingPageCount = pDocumentProxy->pageCount();
for(int pageIndex = 0 ; pageIndex < existingPageCount; pageIndex++)
{
UBGraphicsScene* scene = UBPersistenceManager::persistenceManager()->loadDocumentScene(pDocumentProxy, pageIndex);
UBApplication::showMessage(tr("Exporting page %1 of %2").arg(pageIndex + 1).arg(existingPageCount));
// set background to white, no crossing for PDF output
bool isDark = scene->isDarkBackground();
bool isCrossed = scene->isCrossedBackground();
scene->setBackground(false, false);
QSize pageSize = scene->nominalSize();
// set high res rendering
scene->setRenderingQuality(UBItem::RenderingQualityHigh);
scene->setRenderingContext(UBGraphicsScene::NonScreen);
//setting page size to appropriate value
pdfPrinter.setPaperSize(QSizeF(pageSize.width()*scaleFactor, pageSize.height()*scaleFactor), QPrinter::Point);
if(painterNeedsBegin) painterNeedsBegin = !pdfPainter.begin(&pdfPrinter);
//render to PDF
scene->render(&pdfPainter, QRectF(), scene->normalizedSceneRect());
if (pageIndex < existingPageCount - 1) pdfPrinter.newPage();
//restore screen rendering quality
scene->setRenderingContext(UBGraphicsScene::Screen);
scene->setRenderingQuality(UBItem::RenderingQualityNormal);
//restore background state
scene->setBackground(isDark, isCrossed);
}
if(!painterNeedsBegin) pdfPainter.end();
return true;
}
bool UBSvgSubsetRasterizer::rasterizeToFile(const QString& filename)
{
if (QFile::exists(filename))
{
if (!QFile::remove(filename))
return false;
}
UBGraphicsScene* scene = UBSvgSubsetAdaptor::loadScene(mDocument, mPageIndex);
if (!scene)
return false;
QRectF sceneRect = scene->normalizedSceneRect();
qreal width = sceneRect.width();
qreal height = sceneRect.height();
QImage image(width, height, QImage::Format_ARGB32);
QRectF imageRect(0, 0, width, height);
QPainter painter(&image);
painter.setRenderHint(QPainter::Antialiasing, true);
painter.setRenderHint(QPainter::SmoothPixmapTransform, true);
if (scene->isDarkBackground())
{
painter.fillRect(imageRect, Qt::black);
}
else
{
painter.fillRect(imageRect, Qt::white);
}
scene->setRenderingQuality(UBItem::RenderingQualityHigh);
scene->setRenderingContext(UBGraphicsScene::NonScreen);
scene->render(&painter, imageRect, sceneRect, Qt::KeepAspectRatio);
scene->setRenderingQuality(UBItem::RenderingQualityNormal);
scene->setRenderingContext(UBGraphicsScene::Screen);
bool success = image.save(filename, "JPG", 100);
delete scene;
return success;
}