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;
}
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 UBImportPDF::addFileToDocument(UBDocumentProxy* pDocument, const QFile& pFile)
{
QString documentName = QFileInfo(pFile.fileName()).completeBaseName();
QUuid uuid = QUuid::createUuid();
QString filepath = UBPersistenceManager::persistenceManager()->addPdfFileToDocument(pDocument, pFile.fileName(), uuid);
PDFRenderer *pdfRenderer = PDFRenderer::rendererForUuid(uuid, pDocument->persistencePath() + "/" + filepath); // renderer is automatically deleted when not used anymore
if (!pdfRenderer->isValid())
{
UBApplication::showMessage(tr("PDF import failed."));
return false;
}
int documentPageCount = pDocument->pageCount();
if (documentPageCount == 1 && UBPersistenceManager::persistenceManager()->loadDocumentScene(pDocument, 0)->isEmpty())
{
documentPageCount = 0;
}
int pdfPageCount = pdfRenderer->pageCount();
for(int pdfPageNumber = 1; pdfPageNumber <= pdfPageCount; pdfPageNumber++)
{
int pageIndex = documentPageCount + (pdfPageNumber - 1);
UBApplication::showMessage(tr("Importing page %1 of %2").arg(pdfPageNumber).arg(pdfPageCount), true);
UBGraphicsScene* scene = 0;
if (pageIndex == 0)
{
scene = UBPersistenceManager::persistenceManager()->loadDocumentScene(pDocument, pageIndex);
}
else
{
scene = UBPersistenceManager::persistenceManager()->createDocumentSceneAt(pDocument, pageIndex);
}
scene->setBackground(false, false);
UBGraphicsPDFItem *pdfItem = new UBGraphicsPDFItem(pdfRenderer, pdfPageNumber); // deleted by the scene
scene->addItem(pdfItem);
pdfItem->setPos(-pdfItem->boundingRect().width() / 2, -pdfItem->boundingRect().height() / 2);
scene->setAsBackgroundObject(pdfItem, false, false);
scene->setNominalSize(pdfItem->boundingRect().width(), pdfItem->boundingRect().height());
UBPersistenceManager::persistenceManager()->persistDocumentScene(pDocument, scene, pageIndex);
}
UBApplication::showMessage(tr("PDF import successful."));
return true;
}