File indexing completed on 2024-05-12 16:28:29

 /* This file is part of the KDE project
    Copyright (C) 2010 KO GmbH <jos.van.den.oever@kogmbh.com>
    Copyright (C) 2010 Sven Langkamp <sven.langkamp@gmail.com>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
 */
 
 #include <OkularOdpGenerator.h>
 
 #include <QDebug>
 #include <QImage>
 #include <QPainter>
 #include <QMimeDatabase>
 #include <QMimeType>
 
 #include <KoDocumentEntry.h>
 #include <KoPart.h>
 #include <KoPADocument.h>
 #include <KoPAPageBase.h>
 #include <KoDocumentInfo.h>
 #include <KoGlobal.h>
 
 #include <okular/core/page.h>
 
 #include <KLocalizedString>
 
 
 OkularOdpGenerator::OkularOdpGenerator( QObject *parent, const QVariantList &args )
     : Okular::Generator( parent, args )
 {
     m_doc = 0;
 }
 
 OkularOdpGenerator::~OkularOdpGenerator()
 {
 }
 
 bool OkularOdpGenerator::loadDocument( const QString &fileName, QVector<Okular::Page*> &pages )
 {
     const QString mimetype = QMimeDatabase().mimeTypeForFile(fileName).name();
 
     QString error;
     KoDocumentEntry documentEntry = KoDocumentEntry::queryByMimeType(mimetype);
     KoPart *part = documentEntry.createKoPart(&error);
 
     if (!error.isEmpty()) {
         qWarning() << "Error creating document" << mimetype << error;
         return 0;
     }
 
     KoPADocument* doc = qobject_cast<KoPADocument*>(part->document());
     m_doc = doc;
     const QUrl url = QUrl::fromLocalFile(fileName);
     doc->setCheckAutoSaveFile(false);
     doc->setAutoErrorHandlingEnabled(false); // show error dialogs
     if (!doc->openUrl(url)) {
         return false;
     }
     doc->setReadWrite(false);
     doc->setAutoSave(0);
 
 
     int pageCount = m_doc->pageCount();
     for(int i = 0; i < pageCount; i++) {
         KoPAPageBase* kprpage = m_doc->pages().value(i);
         if (!kprpage) {
             continue;
         }
         QSize size = kprpage->size().toSize();
 
         Okular::Page * page = new Okular::Page( i, size.width(), size.height(), Okular::Rotation0 );
         pages.append(page);
     }
 
     const KoDocumentInfo *documentInfo = m_doc->documentInfo();
     m_documentInfo.set( Okular::DocumentInfo::MimeType, mimetype );
     m_documentInfo.set( Okular::DocumentInfo::Producer, documentInfo->originalGenerator() );
     m_documentInfo.set( Okular::DocumentInfo::Title,       documentInfo->aboutInfo("title") );
     m_documentInfo.set( Okular::DocumentInfo::Subject,     documentInfo->aboutInfo("subject") );
     m_documentInfo.set( Okular::DocumentInfo::Keywords,     documentInfo->aboutInfo("keyword") );
     m_documentInfo.set( Okular::DocumentInfo::Description, documentInfo->aboutInfo("description") );
     m_documentInfo.set( "language",    KoGlobal::languageFromTag(documentInfo->aboutInfo("language")),  i18n("Language"));
 
     const QString creationDate = documentInfo->aboutInfo("creation-date");
     if (!creationDate.isEmpty()) {
         QDateTime t = QDateTime::fromString(creationDate, Qt::ISODate);
         m_documentInfo.set( Okular::DocumentInfo::CreationDate, QLocale().toString(t, QLocale::ShortFormat) );
     }
     m_documentInfo.set( Okular::DocumentInfo::Creator,  documentInfo->aboutInfo("initial-creator") );
 
     const QString modificationDate = documentInfo->aboutInfo("date");
     if (!modificationDate.isEmpty()) {
         QDateTime t = QDateTime::fromString(modificationDate, Qt::ISODate);
         m_documentInfo.set( Okular::DocumentInfo::ModificationDate, QLocale().toString(t, QLocale::ShortFormat) );
     }
     m_documentInfo.set( Okular::DocumentInfo::Author, documentInfo->aboutInfo("creator") );
 
     return true;
 }
 
 bool OkularOdpGenerator::doCloseDocument()
 {
     delete m_doc;
     m_doc = 0;
 
     m_documentInfo = Okular::DocumentInfo();
 
     return true;
 }
 
 bool OkularOdpGenerator::canGeneratePixmap() const
 {
     return true;
 }
 
 void OkularOdpGenerator::generatePixmap( Okular::PixmapRequest *request )
 {
     QPixmap* pix;
     if (!m_doc) {
         pix = new QPixmap(request->width(), request->height());
         QPainter painter(pix);
         painter.fillRect(0 ,0 , request->width(), request->height(), Qt::white);
     } else {
         KoPAPageBase* page = m_doc->pages().value(request->pageNumber());
         pix = new QPixmap(page->thumbnail(QSize(request->width(), request->height())));
     }
 
    request->page()->setPixmap( request->observer(), pix );
 
     signalPixmapRequestDone( request );
 }
 
 Okular::DocumentInfo OkularOdpGenerator::generateDocumentInfo( const QSet<Okular::DocumentInfo::Key> &keys ) const
 {
     Q_UNUSED(keys);
 
     return m_documentInfo;
 }