diff --git a/generators/kimgio/generator_kimgio.cpp b/generators/kimgio/generator_kimgio.cpp index 2247a2cb7..2b7db6cdd 100644 --- a/generators/kimgio/generator_kimgio.cpp +++ b/generators/kimgio/generator_kimgio.cpp @@ -1,152 +1,156 @@ /*************************************************************************** * Copyright (C) 2005 by Albert Astals Cid * * Copyright (C) 2006-2007 by Pino Toscano * * Copyright (C) 2006-2007 by Tobias Koenig * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * ***************************************************************************/ #include "generator_kimgio.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include OKULAR_EXPORT_PLUGIN(KIMGIOGenerator, "libokularGenerator_kimgio.json") KIMGIOGenerator::KIMGIOGenerator( QObject *parent, const QVariantList &args ) : Generator( parent, args ) { setFeature( ReadRawData ); setFeature( Threaded ); setFeature( TiledRendering ); setFeature( PrintNative ); setFeature( PrintToFile ); } KIMGIOGenerator::~KIMGIOGenerator() { } bool KIMGIOGenerator::loadDocument( const QString & fileName, QVector & pagesVector ) { QFile f( fileName ); if ( !f.open(QFile::ReadOnly) ) { emit error( i18n( "Unable to load document: %1", f.errorString() ), -1 ); return false; } return loadDocumentInternal( f.readAll(), fileName, pagesVector ); } bool KIMGIOGenerator::loadDocumentFromData( const QByteArray & fileData, QVector & pagesVector ) { return loadDocumentInternal( fileData, QString(), pagesVector ); } bool KIMGIOGenerator::loadDocumentInternal(const QByteArray & fileData, const QString & fileName, QVector & pagesVector ) { QBuffer buffer; buffer.setData( fileData ); buffer.open( QIODevice::ReadOnly ); QImageReader reader( &buffer, QImageReader::imageFormat( &buffer ) ); reader.setAutoDetectImageFormat( true ); if ( !reader.read( &m_img ) ) { - emit error( i18n( "Unable to load document: %1", reader.errorString() ), -1 ); - return false; + if (!m_img.isNull()) { + emit warning( i18n( "This document appears malformed. Here is a best approximation of the document's intended appearance." ), -1 ); + } else { + emit error( i18n( "Unable to load document: %1", reader.errorString() ), -1 ); + return false; + } } QMimeDatabase db; auto mime = db.mimeTypeForFileNameAndData( fileName, fileData ); docInfo.set( Okular::DocumentInfo::MimeType, mime.name() ); // Apply transformations dictated by Exif metadata KExiv2Iface::KExiv2 exifMetadata; if ( exifMetadata.loadFromData( fileData ) ) { exifMetadata.rotateExifQImage(m_img, exifMetadata.getImageOrientation()); } pagesVector.resize( 1 ); Okular::Page * page = new Okular::Page( 0, m_img.width(), m_img.height(), Okular::Rotation0 ); pagesVector[0] = page; return true; } bool KIMGIOGenerator::doCloseDocument() { m_img = QImage(); return true; } QImage KIMGIOGenerator::image( Okular::PixmapRequest * request ) { // perform a smooth scaled generation if ( request->isTile() ) { const QRect srcRect = request->normalizedRect().geometry( m_img.width(), m_img.height() ); const QRect destRect = request->normalizedRect().geometry( request->width(), request->height() ); QImage destImg( destRect.size(), QImage::Format_RGB32 ); destImg.fill( Qt::white ); QPainter p( &destImg ); p.setRenderHint( QPainter::SmoothPixmapTransform ); p.drawImage( destImg.rect(), m_img, srcRect ); return destImg; } else { int width = request->width(); int height = request->height(); if ( request->page()->rotation() % 2 == 1 ) qSwap( width, height ); return m_img.scaled( width, height, Qt::IgnoreAspectRatio, Qt::SmoothTransformation ); } } bool KIMGIOGenerator::print( QPrinter& printer ) { QPainter p( &printer ); QImage image( m_img ); if ( ( image.width() > printer.width() ) || ( image.height() > printer.height() ) ) image = image.scaled( printer.width(), printer.height(), Qt::KeepAspectRatio, Qt::SmoothTransformation ); p.drawImage( 0, 0, image ); return true; } Okular::DocumentInfo KIMGIOGenerator::generateDocumentInfo( const QSet &keys ) const { Q_UNUSED(keys); return docInfo; } #include "generator_kimgio.moc"