File indexing completed on 2024-06-16 04:17:03

 /*
  *  SPDX-FileCopyrightText: 2006 Cyrille Berger <cberger@cberger.net>
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include "kis_pdf_import.h"
 
 // poppler's headers
 #include <poppler-qt5.h>
 
 // Qt's headers
 #include <QFile>
 #include <QImage>
 #include <QRadioButton>
 #include <QApplication>
 #include <QFileInfo>
 
 // KDE's headers
 #include <kis_debug.h>
 #include <kis_paint_device.h>
 #include <KoDialog.h>
 #include <kpluginfactory.h>
 #include <kpassworddialog.h>
 
 // calligra's headers
 #include <KoColorSpace.h>
 #include <KoColorSpaceRegistry.h>
 #include <KoProgressUpdater.h>
 #include <KoUpdater.h>
 
 // krita's headers
 #include <KisDocument.h>
 #include <kis_group_layer.h>
 #include <kis_image.h>
 #include <kis_paint_layer.h>
 #include <kis_transaction.h>
 #include <kis_cursor_override_hijacker.h>
 
 // plugins's headers
 #include "kis_pdf_import_widget.h"
 #include <KisImportExportErrorCode.h>
 
 K_PLUGIN_FACTORY_WITH_JSON(PDFImportFactory, "krita_pdf_import.json",
                            registerPlugin<KisPDFImport>();)
 
 KisPDFImport::KisPDFImport(QObject *parent, const QVariantList &)
     : KisImportExportFilter(parent)
 {
 }
 
 KisPDFImport::~KisPDFImport()
 {
 }
 
 KisImportExportErrorCode KisPDFImport::convert(KisDocument *document, QIODevice *io,  KisPropertiesConfigurationSP /*configuration*/)
 {
     Poppler::Document* pdoc = Poppler::Document::loadFromData(io->readAll());
 
     if (!pdoc) {
         dbgFile << "Error when reading the PDF";
         return ImportExportCodes::ErrorWhileReading;
     }
 
     pdoc->setRenderHint(Poppler::Document::Antialiasing, true);
     pdoc->setRenderHint(Poppler::Document::TextAntialiasing, true);
 
     while (pdoc->isLocked()) {
         KPasswordDialog dlg(0);
         dlg.setPrompt(i18n("A password is required to read that pdf"));
         dlg.setWindowTitle(i18n("A password is required to read that pdf"));
         if (dlg.exec() != QDialog::Accepted) {
             dbgFile << "Password canceled";
             return ImportExportCodes::Cancelled;
         } else
             pdoc->unlock(dlg.password().toLocal8Bit(), dlg.password().toLocal8Bit());
     }
 
     KoDialog* kdb = new KoDialog(qApp->activeWindow());
     kdb->setCaption(i18n("PDF Import Options"));
     kdb->setModal(false);
 
     KisPDFImportWidget* wdg = new KisPDFImportWidget(pdoc, kdb);
     kdb->setMainWidget(wdg);
 
     {
         KisCursorOverrideHijacker cursorHijacker;
 
         if (kdb->exec() == QDialog::Rejected) {
             delete pdoc;
             delete kdb;
             return ImportExportCodes::Cancelled;
         }
     }
 
     // Create the krita image
     const KoColorSpace* cs = KoColorSpaceRegistry::instance()->rgb8();
     int width = wdg->intWidth->value();
     int height = wdg->intHeight->value();
     KisImageSP image = new KisImage(document->createUndoStore(), width, height, cs, "built image");
     image->setResolution(wdg->intResolution->value() / 72.0, wdg->intResolution->value() / 72.0);
 
     // create a layer
     QList<int> pages = wdg->pages();
     for (QList<int>::const_iterator it = pages.constBegin(); it != pages.constEnd(); ++it) {
         KisPaintLayer* layer = new KisPaintLayer(image.data(),
                 i18n("Page %1", *it + 1),
                 quint8_MAX);
 
 
         Poppler::Page* page = pdoc->page(*it);
 
         QImage img = page->renderToImage(wdg->intResolution->value(), wdg->intResolution->value(), 0, 0, width, height);
         layer->paintDevice()->convertFromQImage(img, 0, 0, 0);
 
         delete page;
         image->addNode(layer, image->rootLayer(), 0);
         setProgress(qreal(*it + 1) * 100 / pages.count());
     }
 
     document->setCurrentImage(image);
 
     delete pdoc;
     delete kdb;
     return ImportExportCodes::OK;
 }
 
 #include "kis_pdf_import.moc"