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okular/generators/poppler/generator_pdf.cpp
Albert Astals Cid ec70995895 QString as key is evil, add a nice enum
2017-03-02 21:04:59 +01:00

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/***************************************************************************
* Copyright (C) 2004-2008 by Albert Astals Cid <aacid@kde.org> *
* Copyright (C) 2004 by Enrico Ros <eros.kde@email.it> *
* Copyright (C) 2012 by Guillermo A. Amaral B. <gamaral@kde.org> *
* *
* 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_pdf.h"
// qt/kde includes
#include <qcheckbox.h>
#include <qcolor.h>
#include <qdir.h>
#include <qfile.h>
#include <qimage.h>
#include <qlayout.h>
#include <qmutex.h>
#include <qregexp.h>
#include <qstack.h>
#include <qtemporaryfile.h>
#include <qtextstream.h>
#include <QPrinter>
#include <QPainter>
#include <QtCore/QDebug>
#include <KAboutData>
#include <kconfigdialog.h>
#include <KLocalizedString>
#include <kmessagebox.h>
#include <core/action.h>
#include <core/page.h>
#include <core/annotations.h>
#include <core/movie.h>
#include <core/pagetransition.h>
#include <core/sound.h>
#include <core/sourcereference.h>
#include <core/textpage.h>
#include <core/fileprinter.h>
#include <core/utils.h>
#include "ui_pdfsettingswidget.h"
#include "pdfsettings.h"
#include <config-okular-poppler.h>
#include <poppler-media.h>
#include "debug_pdf.h"
#include "annots.h"
#include "formfields.h"
#include "popplerembeddedfile.h"
Q_DECLARE_METATYPE(Poppler::Annotation*)
Q_DECLARE_METATYPE(Poppler::FontInfo)
Q_DECLARE_METATYPE(const Poppler::LinkMovie*)
Q_DECLARE_METATYPE(const Poppler::LinkRendition*)
#ifdef HAVE_POPPLER_0_50
Q_DECLARE_METATYPE(const Poppler::LinkOCGState*)
#endif
static const int defaultPageWidth = 595;
static const int defaultPageHeight = 842;
class PDFOptionsPage : public QWidget
{
Q_OBJECT
public:
PDFOptionsPage()
{
setWindowTitle( i18n( "PDF Options" ) );
QVBoxLayout *layout = new QVBoxLayout(this);
m_printAnnots = new QCheckBox(i18n("Print annotations"), this);
m_printAnnots->setToolTip(i18n("Include annotations in the printed document"));
m_printAnnots->setWhatsThis(i18n("Includes annotations in the printed document. You can disable this if you want to print the original unannotated document."));
layout->addWidget(m_printAnnots);
m_forceRaster = new QCheckBox(i18n("Force rasterization"), this);
m_forceRaster->setToolTip(i18n("Rasterize into an image before printing"));
m_forceRaster->setWhatsThis(i18n("Forces the rasterization of each page into an image before printing it. This usually gives somewhat worse results, but is useful when printing documents that appear to print incorrectly."));
layout->addWidget(m_forceRaster);
layout->addStretch(1);
#if defined(Q_OS_WIN)
m_printAnnots->setVisible( false );
#endif
setPrintAnnots( true ); // Default value
}
bool printAnnots()
{
return m_printAnnots->isChecked();
}
void setPrintAnnots( bool printAnnots )
{
m_printAnnots->setChecked( printAnnots );
}
bool printForceRaster()
{
return m_forceRaster->isChecked();
}
void setPrintForceRaster( bool forceRaster )
{
m_forceRaster->setChecked( forceRaster );
}
private:
QCheckBox *m_printAnnots;
QCheckBox *m_forceRaster;
};
static void fillViewportFromLinkDestination( Okular::DocumentViewport &viewport, const Poppler::LinkDestination &destination )
{
viewport.pageNumber = destination.pageNumber() - 1;
if (!viewport.isValid()) return;
// get destination position
// TODO add other attributes to the viewport (taken from link)
// switch ( destination->getKind() )
// {
// case destXYZ:
if (destination.isChangeLeft() || destination.isChangeTop())
{
// TODO remember to change this if we implement DPI and/or rotation
double left, top;
left = destination.left();
top = destination.top();
viewport.rePos.normalizedX = left;
viewport.rePos.normalizedY = top;
viewport.rePos.enabled = true;
viewport.rePos.pos = Okular::DocumentViewport::TopLeft;
}
/* TODO
if ( dest->getChangeZoom() )
make zoom change*/
/* break;
default:
// implement the others cases
break;*/
// }
}
Okular::Sound* createSoundFromPopplerSound( const Poppler::SoundObject *popplerSound )
{
Okular::Sound *sound = popplerSound->soundType() == Poppler::SoundObject::Embedded ? new Okular::Sound( popplerSound->data() ) : new Okular::Sound( popplerSound->url() );
sound->setSamplingRate( popplerSound->samplingRate() );
sound->setChannels( popplerSound->channels() );
sound->setBitsPerSample( popplerSound->bitsPerSample() );
switch ( popplerSound->soundEncoding() )
{
case Poppler::SoundObject::Raw:
sound->setSoundEncoding( Okular::Sound::Raw );
break;
case Poppler::SoundObject::Signed:
sound->setSoundEncoding( Okular::Sound::Signed );
break;
case Poppler::SoundObject::muLaw:
sound->setSoundEncoding( Okular::Sound::muLaw );
break;
case Poppler::SoundObject::ALaw:
sound->setSoundEncoding( Okular::Sound::ALaw );
break;
}
return sound;
}
Okular::Movie* createMovieFromPopplerMovie( const Poppler::MovieObject *popplerMovie )
{
Okular::Movie *movie = new Okular::Movie( popplerMovie->url() );
movie->setSize( popplerMovie->size() );
movie->setRotation( (Okular::Rotation)( popplerMovie->rotation() / 90 ) );
movie->setShowControls( popplerMovie->showControls() );
movie->setPlayMode( (Okular::Movie::PlayMode)popplerMovie->playMode() );
movie->setAutoPlay( false ); // will be triggered by external MovieAnnotation
movie->setShowPosterImage( popplerMovie->showPosterImage() );
movie->setPosterImage( popplerMovie->posterImage() );
return movie;
}
Okular::Movie* createMovieFromPopplerScreen( const Poppler::LinkRendition *popplerScreen )
{
Poppler::MediaRendition *rendition = popplerScreen->rendition();
Okular::Movie *movie = 0;
if ( rendition->isEmbedded() )
movie = new Okular::Movie( rendition->fileName(), rendition->data() );
else
movie = new Okular::Movie( rendition->fileName() );
movie->setSize( rendition->size() );
movie->setShowControls( rendition->showControls() );
if ( rendition->repeatCount() == 0 ) {
movie->setPlayMode( Okular::Movie::PlayRepeat );
} else {
movie->setPlayMode( Okular::Movie::PlayLimited );
movie->setPlayRepetitions( rendition->repeatCount() );
}
movie->setAutoPlay( rendition->autoPlay() );
return movie;
}
#ifdef HAVE_POPPLER_0_36
QPair<Okular::Movie*, Okular::EmbeddedFile*> createMovieFromPopplerRichMedia( const Poppler::RichMediaAnnotation *popplerRichMedia )
{
const QPair<Okular::Movie*, Okular::EmbeddedFile*> emptyResult(0, 0);
/**
* To convert a Flash/Video based RichMedia annotation to a movie, we search for the first
* Flash/Video richmedia instance and parse the flashVars parameter for the 'source' identifier.
* That identifier is then used to find the associated embedded file through the assets
* mapping.
*/
const Poppler::RichMediaAnnotation::Content *content = popplerRichMedia->content();
if ( !content )
return emptyResult;
const QList<Poppler::RichMediaAnnotation::Configuration*> configurations = content->configurations();
if ( configurations.isEmpty() )
return emptyResult;
const Poppler::RichMediaAnnotation::Configuration *configuration = configurations[0];
const QList<Poppler::RichMediaAnnotation::Instance*> instances = configuration->instances();
if ( instances.isEmpty() )
return emptyResult;
const Poppler::RichMediaAnnotation::Instance *instance = instances[0];
if ( ( instance->type() != Poppler::RichMediaAnnotation::Instance::TypeFlash ) &&
( instance->type() != Poppler::RichMediaAnnotation::Instance::TypeVideo ) )
return emptyResult;
const Poppler::RichMediaAnnotation::Params *params = instance->params();
if ( !params )
return emptyResult;
QString sourceId;
bool playbackLoops = false;
const QStringList flashVars = params->flashVars().split( QLatin1Char( '&' ) );
foreach ( const QString & flashVar, flashVars ) {
const int pos = flashVar.indexOf( QLatin1Char( '=' ) );
if ( pos == -1 )
continue;
const QString key = flashVar.left( pos );
const QString value = flashVar.mid( pos + 1 );
if ( key == QLatin1String( "source" ) )
sourceId = value;
else if ( key == QLatin1String( "loop" ) )
playbackLoops = ( value == QLatin1String( "true" ) ? true : false );
}
if ( sourceId.isEmpty() )
return emptyResult;
const QList<Poppler::RichMediaAnnotation::Asset*> assets = content->assets();
if ( assets.isEmpty() )
return emptyResult;
Poppler::RichMediaAnnotation::Asset *matchingAsset = 0;
foreach ( Poppler::RichMediaAnnotation::Asset *asset, assets ) {
if ( asset->name() == sourceId ) {
matchingAsset = asset;
break;
}
}
if ( !matchingAsset )
return emptyResult;
Poppler::EmbeddedFile *embeddedFile = matchingAsset->embeddedFile();
if ( !embeddedFile )
return emptyResult;
Okular::EmbeddedFile *pdfEmbeddedFile = new PDFEmbeddedFile( embeddedFile );
Okular::Movie *movie = new Okular::Movie( embeddedFile->name(), embeddedFile->data() );
movie->setPlayMode( playbackLoops ? Okular::Movie::PlayRepeat : Okular::Movie::PlayLimited );
if ( popplerRichMedia && popplerRichMedia->settings() && popplerRichMedia->settings()->activation() ) {
if ( popplerRichMedia->settings()->activation()->condition() == Poppler::RichMediaAnnotation::Activation::PageOpened ||
popplerRichMedia->settings()->activation()->condition() == Poppler::RichMediaAnnotation::Activation::PageVisible ) {
movie->setAutoPlay( true );
} else {
movie->setAutoPlay( false );
}
} else {
movie->setAutoPlay( false );
}
return qMakePair(movie, pdfEmbeddedFile);
}
#endif
/**
* Note: the function will take ownership of the popplerLink object.
*/
Okular::Action* createLinkFromPopplerLink(const Poppler::Link *popplerLink)
{
Okular::Action *link = 0;
const Poppler::LinkGoto *popplerLinkGoto;
const Poppler::LinkExecute *popplerLinkExecute;
const Poppler::LinkBrowse *popplerLinkBrowse;
const Poppler::LinkAction *popplerLinkAction;
const Poppler::LinkSound *popplerLinkSound;
const Poppler::LinkJavaScript *popplerLinkJS;
const Poppler::LinkMovie *popplerLinkMovie;
const Poppler::LinkRendition *popplerLinkRendition;
Okular::DocumentViewport viewport;
bool deletePopplerLink = true;
switch(popplerLink->linkType())
{
case Poppler::Link::None:
break;
case Poppler::Link::Goto:
{
popplerLinkGoto = static_cast<const Poppler::LinkGoto *>(popplerLink);
const Poppler::LinkDestination dest = popplerLinkGoto->destination();
const QString destName = dest.destinationName();
if (destName.isEmpty())
{
fillViewportFromLinkDestination( viewport, dest );
link = new Okular::GotoAction(popplerLinkGoto->fileName(), viewport);
}
else
{
link = new Okular::GotoAction(popplerLinkGoto->fileName(), destName);
}
}
break;
case Poppler::Link::Execute:
popplerLinkExecute = static_cast<const Poppler::LinkExecute *>(popplerLink);
link = new Okular::ExecuteAction( popplerLinkExecute->fileName(), popplerLinkExecute->parameters() );
break;
case Poppler::Link::Browse:
popplerLinkBrowse = static_cast<const Poppler::LinkBrowse *>(popplerLink);
link = new Okular::BrowseAction( QUrl(popplerLinkBrowse->url()) );
break;
case Poppler::Link::Action:
popplerLinkAction = static_cast<const Poppler::LinkAction *>(popplerLink);
link = new Okular::DocumentAction( (Okular::DocumentAction::DocumentActionType)popplerLinkAction->actionType() );
break;
case Poppler::Link::Sound:
{
popplerLinkSound = static_cast<const Poppler::LinkSound *>(popplerLink);
Poppler::SoundObject *popplerSound = popplerLinkSound->sound();
Okular::Sound *sound = createSoundFromPopplerSound( popplerSound );
link = new Okular::SoundAction( popplerLinkSound->volume(), popplerLinkSound->synchronous(), popplerLinkSound->repeat(), popplerLinkSound->mix(), sound );
}
break;
case Poppler::Link::JavaScript:
{
popplerLinkJS = static_cast<const Poppler::LinkJavaScript *>(popplerLink);
link = new Okular::ScriptAction( Okular::JavaScript, popplerLinkJS->script() );
}
break;
case Poppler::Link::Rendition:
{
deletePopplerLink = false; // we'll delete it inside resolveMediaLinkReferences() after we have resolved all references
popplerLinkRendition = static_cast<const Poppler::LinkRendition *>( popplerLink );
Okular::RenditionAction::OperationType operation = Okular::RenditionAction::None;
switch ( popplerLinkRendition->action() )
{
case Poppler::LinkRendition::NoRendition:
operation = Okular::RenditionAction::None;
break;
case Poppler::LinkRendition::PlayRendition:
operation = Okular::RenditionAction::Play;
break;
case Poppler::LinkRendition::StopRendition:
operation = Okular::RenditionAction::Stop;
break;
case Poppler::LinkRendition::PauseRendition:
operation = Okular::RenditionAction::Pause;
break;
case Poppler::LinkRendition::ResumeRendition:
operation = Okular::RenditionAction::Resume;
break;
};
Okular::Movie *movie = 0;
if ( popplerLinkRendition->rendition() )
movie = createMovieFromPopplerScreen( popplerLinkRendition );
Okular::RenditionAction *renditionAction = new Okular::RenditionAction( operation, movie, Okular::JavaScript, popplerLinkRendition->script() );
renditionAction->setNativeId( QVariant::fromValue( popplerLinkRendition ) );
link = renditionAction;
}
break;
case Poppler::Link::Movie:
{
deletePopplerLink = false; // we'll delete it inside resolveMediaLinkReferences() after we have resolved all references
popplerLinkMovie = static_cast<const Poppler::LinkMovie *>( popplerLink );
Okular::MovieAction::OperationType operation = Okular::MovieAction::Play;
switch ( popplerLinkMovie->operation() )
{
case Poppler::LinkMovie::Play:
operation = Okular::MovieAction::Play;
break;
case Poppler::LinkMovie::Stop:
operation = Okular::MovieAction::Stop;
break;
case Poppler::LinkMovie::Pause:
operation = Okular::MovieAction::Pause;
break;
case Poppler::LinkMovie::Resume:
operation = Okular::MovieAction::Resume;
break;
};
Okular::MovieAction *movieAction = new Okular::MovieAction( operation );
movieAction->setNativeId( QVariant::fromValue( popplerLinkMovie ) );
link = movieAction;
}
break;
}
if ( deletePopplerLink )
delete popplerLink;
return link;
}
/**
* Note: the function will take ownership of the popplerLink objects.
*/
static QLinkedList<Okular::ObjectRect*> generateLinks( const QList<Poppler::Link*> &popplerLinks )
{
QLinkedList<Okular::ObjectRect*> links;
foreach(const Poppler::Link *popplerLink, popplerLinks)
{
QRectF linkArea = popplerLink->linkArea();
double nl = linkArea.left(),
nt = linkArea.top(),
nr = linkArea.right(),
nb = linkArea.bottom();
// create the rect using normalized coords and attach the Okular::Link to it
Okular::ObjectRect * rect = new Okular::ObjectRect( nl, nt, nr, nb, false, Okular::ObjectRect::Action, createLinkFromPopplerLink(popplerLink) );
// add the ObjectRect to the container
links.push_front( rect );
}
return links;
}
/** NOTES on threading:
* internal: thread race prevention is done via the 'docLock' mutex. the
* mutex is needed only because we have the asynchronous thread; else
* the operations are all within the 'gui' thread, scheduled by the
* Qt scheduler and no mutex is needed.
* external: dangerous operations are all locked via mutex internally, and the
* only needed external thing is the 'canGeneratePixmap' method
* that tells if the generator is free (since we don't want an
* internal queue to store PixmapRequests). A generatedPixmap call
* without the 'ready' flag set, results in undefined behavior.
* So, as example, printing while generating a pixmap asynchronously is safe,
* it might only block the gui thread by 1) waiting for the mutex to unlock
* in async thread and 2) doing the 'heavy' print operation.
*/
OKULAR_EXPORT_PLUGIN(PDFGenerator, "libokularGenerator_poppler.json")
static void PDFGeneratorPopplerDebugFunction(const QString &message, const QVariant &closure)
{
Q_UNUSED(closure);
qCDebug(OkularPdfDebug) << "[Poppler]" << message;
}
PDFGenerator::PDFGenerator( QObject *parent, const QVariantList &args )
: Generator( parent, args ), pdfdoc( 0 ),
docSynopsisDirty( true ),
docEmbeddedFilesDirty( true ), nextFontPage( 0 ),
annotProxy( 0 )
{
setFeature( Threaded );
setFeature( TextExtraction );
setFeature( FontInfo );
#ifdef Q_OS_WIN32
setFeature( PrintNative );
#else
setFeature( PrintPostscript );
#endif
if ( Okular::FilePrinter::ps2pdfAvailable() )
setFeature( PrintToFile );
setFeature( ReadRawData );
setFeature( TiledRendering );
// You only need to do it once not for each of the documents but it is cheap enough
// so doing it all the time won't hurt either
Poppler::setDebugErrorFunction(PDFGeneratorPopplerDebugFunction, QVariant());
}
PDFGenerator::~PDFGenerator()
{
delete pdfOptionsPage;
}
//BEGIN Generator inherited functions
Okular::Document::OpenResult PDFGenerator::loadDocumentWithPassword( const QString & filePath, QVector<Okular::Page*> & pagesVector, const QString &password )
{
#ifndef NDEBUG
if ( pdfdoc )
{
qCDebug(OkularPdfDebug) << "PDFGenerator: multiple calls to loadDocument. Check it.";
return Okular::Document::OpenError;
}
#endif
// create PDFDoc for the given file
pdfdoc = Poppler::Document::load( filePath, 0, 0 );
return init(pagesVector, password);
}
Okular::Document::OpenResult PDFGenerator::loadDocumentFromDataWithPassword( const QByteArray & fileData, QVector<Okular::Page*> & pagesVector, const QString &password )
{
#ifndef NDEBUG
if ( pdfdoc )
{
qCDebug(OkularPdfDebug) << "PDFGenerator: multiple calls to loadDocument. Check it.";
return Okular::Document::OpenError;
}
#endif
// create PDFDoc for the given file
pdfdoc = Poppler::Document::loadFromData( fileData, 0, 0 );
return init(pagesVector, password);
}
Okular::Document::OpenResult PDFGenerator::init(QVector<Okular::Page*> & pagesVector, const QString &password)
{
if ( !pdfdoc )
return Okular::Document::OpenError;
if ( pdfdoc->isLocked() )
{
pdfdoc->unlock( password.toLatin1(), password.toLatin1() );
if ( pdfdoc->isLocked() ) {
delete pdfdoc;
pdfdoc = 0;
return Okular::Document::OpenNeedsPassword;
}
}
// build Pages (currentPage was set -1 by deletePages)
int pageCount = pdfdoc->numPages();
if (pageCount < 0) {
delete pdfdoc;
pdfdoc = 0;
return Okular::Document::OpenError;
}
pagesVector.resize(pageCount);
rectsGenerated.fill(false, pageCount);
annotationsHash.clear();
loadPages(pagesVector, 0, false);
// update the configuration
reparseConfig();
// create annotation proxy
annotProxy = new PopplerAnnotationProxy( pdfdoc, userMutex() );
// the file has been loaded correctly
return Okular::Document::OpenSuccess;
}
bool PDFGenerator::doCloseDocument()
{
// remove internal objects
userMutex()->lock();
delete annotProxy;
annotProxy = 0;
delete pdfdoc;
pdfdoc = 0;
userMutex()->unlock();
docSynopsisDirty = true;
docSyn.clear();
docEmbeddedFilesDirty = true;
qDeleteAll(docEmbeddedFiles);
docEmbeddedFiles.clear();
nextFontPage = 0;
rectsGenerated.clear();
return true;
}
void PDFGenerator::loadPages(QVector<Okular::Page*> &pagesVector, int rotation, bool clear)
{
// TODO XPDF 3.01 check
const int count = pagesVector.count();
double w = 0, h = 0;
for ( int i = 0; i < count ; i++ )
{
// get xpdf page
Poppler::Page * p = pdfdoc->page( i );
Okular::Page * page;
if (p)
{
const QSizeF pSize = p->pageSizeF();
w = pSize.width() / 72.0 * dpi().width();
h = pSize.height() / 72.0 * dpi().height();
Okular::Rotation orientation = Okular::Rotation0;
switch (p->orientation())
{
case Poppler::Page::Landscape: orientation = Okular::Rotation90; break;
case Poppler::Page::UpsideDown: orientation = Okular::Rotation180; break;
case Poppler::Page::Seascape: orientation = Okular::Rotation270; break;
case Poppler::Page::Portrait: orientation = Okular::Rotation0; break;
}
if (rotation % 2 == 1)
qSwap(w,h);
// init a Okular::page, add transition and annotation information
page = new Okular::Page( i, w, h, orientation );
addTransition( p, page );
if ( true ) //TODO real check
addAnnotations( p, page );
Poppler::Link * tmplink = p->action( Poppler::Page::Opening );
if ( tmplink )
{
page->setPageAction( Okular::Page::Opening, createLinkFromPopplerLink( tmplink ) );
}
tmplink = p->action( Poppler::Page::Closing );
if ( tmplink )
{
page->setPageAction( Okular::Page::Closing, createLinkFromPopplerLink( tmplink ) );
}
page->setDuration( p->duration() );
page->setLabel( p->label() );
addFormFields( p, page );
// kWarning(PDFDebug).nospace() << page->width() << "x" << page->height();
#ifdef PDFGENERATOR_DEBUG
qCDebug(OkularPdfDebug) << "load page" << i << "with rotation" << rotation << "and orientation" << orientation;
#endif
delete p;
if (clear && pagesVector[i])
delete pagesVector[i];
}
else
{
page = new Okular::Page( i, defaultPageWidth, defaultPageHeight, Okular::Rotation0 );
}
// set the Okular::page at the right position in document's pages vector
pagesVector[i] = page;
}
}
Okular::DocumentInfo PDFGenerator::generateDocumentInfo( const QSet<Okular::DocumentInfo::Key> &keys ) const
{
Okular::DocumentInfo docInfo;
docInfo.set( Okular::DocumentInfo::MimeType, QStringLiteral("application/pdf") );
userMutex()->lock();
if ( pdfdoc )
{
// compile internal structure reading properties from PDFDoc
if ( keys.contains( Okular::DocumentInfo::Title ) )
docInfo.set( Okular::DocumentInfo::Title, pdfdoc->info(QStringLiteral("Title")) );
if ( keys.contains( Okular::DocumentInfo::Subject ) )
docInfo.set( Okular::DocumentInfo::Subject, pdfdoc->info(QStringLiteral("Subject")) );
if ( keys.contains( Okular::DocumentInfo::Author ) )
docInfo.set( Okular::DocumentInfo::Author, pdfdoc->info(QStringLiteral("Author")) );
if ( keys.contains( Okular::DocumentInfo::Keywords ) )
docInfo.set( Okular::DocumentInfo::Keywords, pdfdoc->info(QStringLiteral("Keywords")) );
if ( keys.contains( Okular::DocumentInfo::Creator ) )
docInfo.set( Okular::DocumentInfo::Creator, pdfdoc->info(QStringLiteral("Creator")) );
if ( keys.contains( Okular::DocumentInfo::Producer ) )
docInfo.set( Okular::DocumentInfo::Producer, pdfdoc->info(QStringLiteral("Producer")) );
if ( keys.contains( Okular::DocumentInfo::CreationDate ) )
docInfo.set( Okular::DocumentInfo::CreationDate, QLocale().toString( pdfdoc->date(QStringLiteral("CreationDate")), QLocale::LongFormat ) );
if ( keys.contains( Okular::DocumentInfo::ModificationDate ) )
docInfo.set( Okular::DocumentInfo::ModificationDate, QLocale().toString( pdfdoc->date(QStringLiteral("ModDate")), QLocale::LongFormat ) );
if ( keys.contains( Okular::DocumentInfo::CustomKeys ) )
{
int major, minor;
pdfdoc->getPdfVersion(&major, &minor);
docInfo.set( QStringLiteral("format"), i18nc( "PDF v. <version>", "PDF v. %1.%2", major, minor ), i18n( "Format" ) );
docInfo.set( QStringLiteral("encryption"), pdfdoc->isEncrypted() ? i18n( "Encrypted" ) : i18n( "Unencrypted" ), i18n("Security") );
docInfo.set( QStringLiteral("optimization"), pdfdoc->isLinearized() ? i18n( "Yes" ) : i18n( "No" ), i18n("Optimized") );
}
docInfo.set( Okular::DocumentInfo::Pages, QString::number( pdfdoc->numPages() ) );
}
userMutex()->unlock();
return docInfo;
}
const Okular::DocumentSynopsis * PDFGenerator::generateDocumentSynopsis()
{
if ( !docSynopsisDirty )
return &docSyn;
if ( !pdfdoc )
return NULL;
userMutex()->lock();
QDomDocument *toc = pdfdoc->toc();
userMutex()->unlock();
if ( !toc )
return NULL;
addSynopsisChildren(toc, &docSyn);
delete toc;
docSynopsisDirty = false;
return &docSyn;
}
static Okular::FontInfo::FontType convertPopplerFontInfoTypeToOkularFontInfoType( Poppler::FontInfo::Type type )
{
switch ( type )
{
case Poppler::FontInfo::Type1:
return Okular::FontInfo::Type1;
break;
case Poppler::FontInfo::Type1C:
return Okular::FontInfo::Type1C;
break;
case Poppler::FontInfo::Type3:
return Okular::FontInfo::Type3;
break;
case Poppler::FontInfo::TrueType:
return Okular::FontInfo::TrueType;
break;
case Poppler::FontInfo::CIDType0:
return Okular::FontInfo::CIDType0;
break;
case Poppler::FontInfo::CIDType0C:
return Okular::FontInfo::CIDType0C;
break;
case Poppler::FontInfo::CIDTrueType:
return Okular::FontInfo::CIDTrueType;
break;
case Poppler::FontInfo::Type1COT:
return Okular::FontInfo::Type1COT;
break;
case Poppler::FontInfo::TrueTypeOT:
return Okular::FontInfo::TrueTypeOT;
break;
case Poppler::FontInfo::CIDType0COT:
return Okular::FontInfo::CIDType0COT;
break;
case Poppler::FontInfo::CIDTrueTypeOT:
return Okular::FontInfo::CIDTrueTypeOT;
break;
case Poppler::FontInfo::unknown:
default: ;
}
return Okular::FontInfo::Unknown;
}
static Okular::FontInfo::EmbedType embedTypeForPopplerFontInfo( const Poppler::FontInfo &fi )
{
Okular::FontInfo::EmbedType ret = Okular::FontInfo::NotEmbedded;
if ( fi.isEmbedded() )
{
if ( fi.isSubset() )
{
ret = Okular::FontInfo::EmbeddedSubset;
}
else
{
ret = Okular::FontInfo::FullyEmbedded;
}
}
return ret;
}
Okular::FontInfo::List PDFGenerator::fontsForPage( int page )
{
Okular::FontInfo::List list;
if ( page != nextFontPage )
return list;
QList<Poppler::FontInfo> fonts;
userMutex()->lock();
Poppler::FontIterator* it = pdfdoc->newFontIterator(page);
if (it->hasNext()) {
fonts = it->next();
}
userMutex()->unlock();
foreach (const Poppler::FontInfo &font, fonts)
{
Okular::FontInfo of;
of.setName( font.name() );
of.setType( convertPopplerFontInfoTypeToOkularFontInfoType( font.type() ) );
of.setEmbedType( embedTypeForPopplerFontInfo( font) );
of.setFile( font.file() );
of.setCanBeExtracted( of.embedType() != Okular::FontInfo::NotEmbedded );
QVariant nativeId;
nativeId.setValue( font );
of.setNativeId( nativeId );
list.append( of );
}
++nextFontPage;
return list;
}
const QList<Okular::EmbeddedFile*> *PDFGenerator::embeddedFiles() const
{
if (docEmbeddedFilesDirty)
{
userMutex()->lock();
const QList<Poppler::EmbeddedFile*> &popplerFiles = pdfdoc->embeddedFiles();
foreach(Poppler::EmbeddedFile* pef, popplerFiles)
{
docEmbeddedFiles.append(new PDFEmbeddedFile(pef));
}
userMutex()->unlock();
docEmbeddedFilesDirty = false;
}
return &docEmbeddedFiles;
}
QAbstractItemModel* PDFGenerator::layersModel() const
{
return pdfdoc->hasOptionalContent() ? pdfdoc->optionalContentModel() : NULL;
}
void PDFGenerator::opaqueAction( const Okular::BackendOpaqueAction *action )
{
#ifdef HAVE_POPPLER_0_50
const Poppler::LinkOCGState *popplerLink = action->nativeId().value<const Poppler::LinkOCGState *>();
pdfdoc->optionalContentModel()->applyLink( const_cast< Poppler::LinkOCGState* >( popplerLink ) );
#else
(void)action;
#endif
}
bool PDFGenerator::isAllowed( Okular::Permission permission ) const
{
bool b = true;
switch ( permission )
{
case Okular::AllowModify:
b = pdfdoc->okToChange();
break;
case Okular::AllowCopy:
b = pdfdoc->okToCopy();
break;
case Okular::AllowPrint:
b = pdfdoc->okToPrint();
break;
case Okular::AllowNotes:
b = pdfdoc->okToAddNotes();
break;
case Okular::AllowFillForms:
b = pdfdoc->okToFillForm();
break;
default: ;
}
return b;
}
QImage PDFGenerator::image( Okular::PixmapRequest * request )
{
// debug requests to this (xpdf) generator
//qCDebug(OkularPdfDebug) << "id: " << request->id << " is requesting " << (request->async ? "ASYNC" : "sync") << " pixmap for page " << request->page->number() << " [" << request->width << " x " << request->height << "].";
// compute dpi used to get an image with desired width and height
Okular::Page * page = request->page();
double pageWidth = page->width(),
pageHeight = page->height();
if ( page->rotation() % 2 )
qSwap( pageWidth, pageHeight );
qreal fakeDpiX = request->width() / pageWidth * dpi().width();
qreal fakeDpiY = request->height() / pageHeight * dpi().height();
// generate links rects only the first time
bool genObjectRects = !rectsGenerated.at( page->number() );
// 0. LOCK [waits for the thread end]
userMutex()->lock();
// 1. Set OutputDev parameters and Generate contents
// note: thread safety is set on 'false' for the GUI (this) thread
Poppler::Page *p = pdfdoc->page(page->number());
// 2. Take data from outputdev and attach it to the Page
QImage img;
if (p)
{
if ( request->isTile() )
{
QRect rect = request->normalizedRect().geometry( request->width(), request->height() );
img = p->renderToImage( fakeDpiX, fakeDpiY, rect.x(), rect.y(), rect.width(), rect.height(), Poppler::Page::Rotate0 );
}
else
{
img = p->renderToImage(fakeDpiX, fakeDpiY, -1, -1, -1, -1, Poppler::Page::Rotate0 );
}
}
else
{
img = QImage( request->width(), request->height(), QImage::Format_Mono );
img.fill( Qt::white );
}
if ( p && genObjectRects )
{
// TODO previously we extracted Image type rects too, but that needed porting to poppler
// and as we are not doing anything with Image type rects i did not port it, have a look at
// dead gp_outputdev.cpp on image extraction
page->setObjectRects( generateLinks(p->links()) );
rectsGenerated[ request->page()->number() ] = true;
resolveMediaLinkReferences( page );
}
// 3. UNLOCK [re-enables shared access]
userMutex()->unlock();
delete p;
return img;
}
template <typename PopplerLinkType, typename OkularLinkType, typename PopplerAnnotationType, typename OkularAnnotationType>
void resolveMediaLinks( Okular::Action *action, enum Okular::Annotation::SubType subType, QHash<Okular::Annotation*, Poppler::Annotation*> &annotationsHash )
{
OkularLinkType *okularAction = static_cast<OkularLinkType*>( action );
const PopplerLinkType *popplerLink = action->nativeId().value<const PopplerLinkType*>();
QHashIterator<Okular::Annotation*, Poppler::Annotation*> it( annotationsHash );
while ( it.hasNext() )
{
it.next();
if ( it.key()->subType() == subType )
{
const PopplerAnnotationType *popplerAnnotation = static_cast<const PopplerAnnotationType*>( it.value() );
if ( popplerLink->isReferencedAnnotation( popplerAnnotation ) )
{
okularAction->setAnnotation( static_cast<OkularAnnotationType*>( it.key() ) );
okularAction->setNativeId( QVariant() );
delete popplerLink; // delete the associated Poppler::LinkMovie object, it's not needed anymore
break;
}
}
}
}
void PDFGenerator::resolveMediaLinkReference( Okular::Action *action )
{
if ( !action )
return;
if ( (action->actionType() != Okular::Action::Movie) && (action->actionType() != Okular::Action::Rendition) )
return;
resolveMediaLinks<Poppler::LinkMovie, Okular::MovieAction, Poppler::MovieAnnotation, Okular::MovieAnnotation>( action, Okular::Annotation::AMovie, annotationsHash );
resolveMediaLinks<Poppler::LinkRendition, Okular::RenditionAction, Poppler::ScreenAnnotation, Okular::ScreenAnnotation>( action, Okular::Annotation::AScreen, annotationsHash );
}
void PDFGenerator::resolveMediaLinkReferences( Okular::Page *page )
{
resolveMediaLinkReference( const_cast<Okular::Action*>( page->pageAction( Okular::Page::Opening ) ) );
resolveMediaLinkReference( const_cast<Okular::Action*>( page->pageAction( Okular::Page::Closing ) ) );
foreach ( Okular::Annotation *annotation, page->annotations() )
{
if ( annotation->subType() == Okular::Annotation::AScreen )
{
Okular::ScreenAnnotation *screenAnnotation = static_cast<Okular::ScreenAnnotation*>( annotation );
resolveMediaLinkReference( screenAnnotation->additionalAction( Okular::Annotation::PageOpening ) );
resolveMediaLinkReference( screenAnnotation->additionalAction( Okular::Annotation::PageClosing ) );
}
if ( annotation->subType() == Okular::Annotation::AWidget )
{
Okular::WidgetAnnotation *widgetAnnotation = static_cast<Okular::WidgetAnnotation*>( annotation );
resolveMediaLinkReference( widgetAnnotation->additionalAction( Okular::Annotation::PageOpening ) );
resolveMediaLinkReference( widgetAnnotation->additionalAction( Okular::Annotation::PageClosing ) );
}
}
foreach ( Okular::FormField *field, page->formFields() )
resolveMediaLinkReference( field->activationAction() );
}
Okular::TextPage* PDFGenerator::textPage( Okular::Page *page )
{
#ifdef PDFGENERATOR_DEBUG
qCDebug(OkularPdfDebug) << "page" << page->number();
#endif
// build a TextList...
QList<Poppler::TextBox*> textList;
double pageWidth, pageHeight;
Poppler::Page *pp = pdfdoc->page( page->number() );
if (pp)
{
userMutex()->lock();
textList = pp->textList();
userMutex()->unlock();
QSizeF s = pp->pageSizeF();
pageWidth = s.width();
pageHeight = s.height();
delete pp;
}
else
{
pageWidth = defaultPageWidth;
pageHeight = defaultPageHeight;
}
Okular::TextPage *tp = abstractTextPage(textList, pageHeight, pageWidth, (Poppler::Page::Rotation)page->orientation());
qDeleteAll(textList);
return tp;
}
void PDFGenerator::requestFontData(const Okular::FontInfo &font, QByteArray *data)
{
Poppler::FontInfo fi = font.nativeId().value<Poppler::FontInfo>();
*data = pdfdoc->fontData(fi);
}
#define DUMMY_QPRINTER_COPY
bool PDFGenerator::print( QPrinter& printer )
{
#ifdef Q_OS_WIN
QPainter painter;
painter.begin(&printer);
QList<int> pageList = Okular::FilePrinter::pageList( printer, pdfdoc->numPages(),
document()->currentPage() + 1,
document()->bookmarkedPageList() );
for ( int i = 0; i < pageList.count(); ++i )
{
if ( i != 0 )
printer.newPage();
const int page = pageList.at( i ) - 1;
userMutex()->lock();
Poppler::Page *pp = pdfdoc->page( page );
if (pp)
{
QImage img = pp->renderToImage( printer.physicalDpiX(), printer.physicalDpiY() );
painter.drawImage( painter.window(), img, QRectF(0, 0, img.width(), img.height()) );
delete pp;
}
userMutex()->unlock();
}
painter.end();
return true;
#else
#ifdef DUMMY_QPRINTER_COPY
// Get the real page size to pass to the ps generator
QPrinter dummy( QPrinter::PrinterResolution );
dummy.setFullPage( true );
dummy.setOrientation( printer.orientation() );
dummy.setPageSize( printer.pageSize() );
dummy.setPaperSize( printer.paperSize( QPrinter::Millimeter ), QPrinter::Millimeter );
int width = dummy.width();
int height = dummy.height();
#else
int width = printer.width();
int height = printer.height();
#endif
if (width <= 0 || height <= 0)
{
lastPrintError = InvalidPageSizePrintError;
return false;
}
// Create the tempfile to send to FilePrinter, which will manage the deletion
QTemporaryFile tf(QDir::tempPath() + QLatin1String("/okular_XXXXXX.ps"));
if ( !tf.open() )
{
lastPrintError = TemporaryFileOpenPrintError;
return false;
}
QString tempfilename = tf.fileName();
// Generate the list of pages to be printed as selected in the print dialog
QList<int> pageList = Okular::FilePrinter::pageList( printer, pdfdoc->numPages(),
document()->currentPage() + 1,
document()->bookmarkedPageList() );
// TODO rotation
tf.setAutoRemove(false);
QString pstitle = metaData(QStringLiteral("Title"), QVariant()).toString();
if ( pstitle.trimmed().isEmpty() )
{
pstitle = document()->currentDocument().fileName();
}
bool printAnnots = true;
bool forceRasterize = false;
if ( pdfOptionsPage )
{
printAnnots = pdfOptionsPage->printAnnots();
forceRasterize = pdfOptionsPage->printForceRaster();
}
Poppler::PSConverter *psConverter = pdfdoc->psConverter();
psConverter->setOutputDevice(&tf);
psConverter->setPageList(pageList);
psConverter->setPaperWidth(width);
psConverter->setPaperHeight(height);
psConverter->setRightMargin(0);
psConverter->setBottomMargin(0);
psConverter->setLeftMargin(0);
psConverter->setTopMargin(0);
psConverter->setStrictMargins(false);
psConverter->setForceRasterize(forceRasterize);
psConverter->setTitle(pstitle);
if (!printAnnots)
psConverter->setPSOptions(psConverter->psOptions() | Poppler::PSConverter::HideAnnotations );
userMutex()->lock();
if (psConverter->convert())
{
userMutex()->unlock();
delete psConverter;
tf.close();
int ret = Okular::FilePrinter::printFile( printer, tempfilename,
document()->orientation(),
Okular::FilePrinter::SystemDeletesFiles,
Okular::FilePrinter::ApplicationSelectsPages,
document()->bookmarkedPageRange() );
lastPrintError = Okular::FilePrinter::printError( ret );
return (lastPrintError == NoPrintError);
}
else
{
lastPrintError = FileConversionPrintError;
delete psConverter;
userMutex()->unlock();
}
tf.close();
return false;
#endif
}
QVariant PDFGenerator::metaData( const QString & key, const QVariant & option ) const
{
if ( key == QLatin1String("StartFullScreen") )
{
QMutexLocker ml(userMutex());
// asking for the 'start in fullscreen mode' (pdf property)
if ( pdfdoc->pageMode() == Poppler::Document::FullScreen )
return true;
}
else if ( key == QLatin1String("NamedViewport") && !option.toString().isEmpty() )
{
Okular::DocumentViewport viewport;
QString optionString = option.toString();
// asking for the page related to a 'named link destination'. the
// option is the link name. @see addSynopsisChildren.
userMutex()->lock();
Poppler::LinkDestination *ld = pdfdoc->linkDestination( optionString );
userMutex()->unlock();
if ( ld )
{
fillViewportFromLinkDestination( viewport, *ld );
}
delete ld;
if ( viewport.pageNumber >= 0 )
return viewport.toString();
}
else if ( key == QLatin1String("DocumentTitle") )
{
userMutex()->lock();
QString title = pdfdoc->info( QStringLiteral("Title") );
userMutex()->unlock();
return title;
}
else if ( key == QLatin1String("OpenTOC") )
{
QMutexLocker ml(userMutex());
if ( pdfdoc->pageMode() == Poppler::Document::UseOutlines )
return true;
}
else if ( key == QLatin1String("DocumentScripts") && option.toString() == QLatin1String("JavaScript") )
{
QMutexLocker ml(userMutex());
return pdfdoc->scripts();
}
else if ( key == QLatin1String("HasUnsupportedXfaForm") )
{
QMutexLocker ml(userMutex());
return pdfdoc->formType() == Poppler::Document::XfaForm;
}
return QVariant();
}
bool PDFGenerator::reparseConfig()
{
if ( !pdfdoc )
return false;
bool somethingchanged = false;
// load paper color
QColor color = documentMetaData( PaperColorMetaData, true ).value< QColor >();
// if paper color is changed we have to rebuild every visible pixmap in addition
// to the outputDevice. it's the 'heaviest' case, other effect are just recoloring
// over the page rendered on 'standard' white background.
if ( color != pdfdoc->paperColor() )
{
userMutex()->lock();
pdfdoc->setPaperColor(color);
userMutex()->unlock();
somethingchanged = true;
}
bool aaChanged = setDocumentRenderHints();
somethingchanged = somethingchanged || aaChanged;
return somethingchanged;
}
void PDFGenerator::addPages( KConfigDialog *dlg )
{
#ifdef HAVE_POPPLER_0_24
Ui_PDFSettingsWidget pdfsw;
QWidget* w = new QWidget(dlg);
pdfsw.setupUi(w);
dlg->addPage(w, PDFSettings::self(), i18n("PDF"), QStringLiteral("application-pdf"), i18n("PDF Backend Configuration") );
#endif
}
bool PDFGenerator::setDocumentRenderHints()
{
bool changed = false;
const Poppler::Document::RenderHints oldhints = pdfdoc->renderHints();
#define SET_HINT(hintname, hintdefvalue, hintflag) \
{ \
bool newhint = documentMetaData(hintname, hintdefvalue).toBool(); \
if (newhint != oldhints.testFlag(hintflag)) \
{ \
pdfdoc->setRenderHint(hintflag, newhint); \
changed = true; \
} \
}
SET_HINT(GraphicsAntialiasMetaData, true, Poppler::Document::Antialiasing)
SET_HINT(TextAntialiasMetaData, true, Poppler::Document::TextAntialiasing)
SET_HINT(TextHintingMetaData, false, Poppler::Document::TextHinting)
#undef SET_HINT
#ifdef HAVE_POPPLER_0_24
// load thin line mode
const int thinLineMode = PDFSettings::enhanceThinLines();
const bool enableThinLineSolid = thinLineMode == PDFSettings::EnumEnhanceThinLines::Solid;
const bool enableShapeLineSolid = thinLineMode == PDFSettings::EnumEnhanceThinLines::Shape;
const bool thinLineSolidWasEnabled = (oldhints & Poppler::Document::ThinLineSolid) == Poppler::Document::ThinLineSolid;
const bool thinLineShapeWasEnabled = (oldhints & Poppler::Document::ThinLineShape) == Poppler::Document::ThinLineShape;
if (enableThinLineSolid != thinLineSolidWasEnabled) {
pdfdoc->setRenderHint(Poppler::Document::ThinLineSolid, enableThinLineSolid);
changed = true;
}
if (enableShapeLineSolid != thinLineShapeWasEnabled) {
pdfdoc->setRenderHint(Poppler::Document::ThinLineShape, enableShapeLineSolid);
changed = true;
}
#endif
return changed;
}
Okular::ExportFormat::List PDFGenerator::exportFormats() const
{
static Okular::ExportFormat::List formats;
if ( formats.isEmpty() ) {
formats.append( Okular::ExportFormat::standardFormat( Okular::ExportFormat::PlainText ) );
}
return formats;
}
bool PDFGenerator::exportTo( const QString &fileName, const Okular::ExportFormat &format )
{
if ( format.mimeType().inherits( QStringLiteral( "text/plain" ) ) ) {
QFile f( fileName );
if ( !f.open( QIODevice::WriteOnly ) )
return false;
QTextStream ts( &f );
int num = document()->pages();
for ( int i = 0; i < num; ++i )
{
QString text;
userMutex()->lock();
Poppler::Page *pp = pdfdoc->page(i);
if (pp)
{
text = pp->text(QRect()).normalized(QString::NormalizationForm_KC);
}
userMutex()->unlock();
ts << text;
delete pp;
}
f.close();
return true;
}
return false;
}
//END Generator inherited functions
inline void append (Okular::TextPage* ktp,
const QString &s, double l, double b, double r, double t)
{
// kWarning(PDFDebug).nospace() << "text: " << s << " at (" << l << "," << t << ")x(" << r <<","<<b<<")";
ktp->append(s, new Okular::NormalizedRect(l, t, r, b));
}
Okular::TextPage * PDFGenerator::abstractTextPage(const QList<Poppler::TextBox*> &text, double height, double width,int rot)
{
Q_UNUSED(rot);
Okular::TextPage* ktp=new Okular::TextPage;
Poppler::TextBox *next;
#ifdef PDFGENERATOR_DEBUG
qCDebug(OkularPdfDebug) << "getting text page in generator pdf - rotation:" << rot;
#endif
QString s;
bool addChar;
foreach (Poppler::TextBox *word, text)
{
const int qstringCharCount = word->text().length();
next=word->nextWord();
int textBoxChar = 0;
for (int j = 0; j < qstringCharCount; j++)
{
const QChar c = word->text().at(j);
if (c.isHighSurrogate())
{
s = c;
addChar = false;
}
else if (c.isLowSurrogate())
{
s += c;
addChar = true;
}
else
{
s = c;
addChar = true;
}
if (addChar)
{
QRectF charBBox = word->charBoundingBox(textBoxChar);
append(ktp, (j==qstringCharCount-1 && !next) ? (s + QLatin1Char('\n')) : s,
charBBox.left()/width,
charBBox.bottom()/height,
charBBox.right()/width,
charBBox.top()/height);
textBoxChar++;
}
}
if ( word->hasSpaceAfter() && next )
{
// TODO Check with a document with vertical text
// probably won't work and we will need to do comparisons
// between wordBBox and nextWordBBox to see if they are
// vertically or horizontally aligned
QRectF wordBBox = word->boundingBox();
QRectF nextWordBBox = next->boundingBox();
append(ktp, QStringLiteral(" "),
wordBBox.right()/width,
wordBBox.bottom()/height,
nextWordBBox.left()/width,
wordBBox.top()/height);
}
}
return ktp;
}
void PDFGenerator::addSynopsisChildren( QDomNode * parent, QDomNode * parentDestination )
{
// keep track of the current listViewItem
QDomNode n = parent->firstChild();
while( !n.isNull() )
{
// convert the node to an element (sure it is)
QDomElement e = n.toElement();
// The name is the same
QDomElement item = docSyn.createElement( e.tagName() );
parentDestination->appendChild(item);
if (!e.attribute(QStringLiteral("ExternalFileName")).isNull()) item.setAttribute(QStringLiteral("ExternalFileName"), e.attribute(QStringLiteral("ExternalFileName")));
if (!e.attribute(QStringLiteral("DestinationName")).isNull()) item.setAttribute(QStringLiteral("ViewportName"), e.attribute(QStringLiteral("DestinationName")));
if (!e.attribute(QStringLiteral("Destination")).isNull())
{
Okular::DocumentViewport vp;
fillViewportFromLinkDestination( vp, Poppler::LinkDestination(e.attribute(QStringLiteral("Destination"))) );
item.setAttribute( QStringLiteral("Viewport"), vp.toString() );
}
if (!e.attribute(QStringLiteral("Open")).isNull()) item.setAttribute(QStringLiteral("Open"), e.attribute(QStringLiteral("Open")));
if (!e.attribute(QStringLiteral("DestinationURI")).isNull()) item.setAttribute(QStringLiteral("URL"), e.attribute(QStringLiteral("DestinationURI")));
// descend recursively and advance to the next node
if ( e.hasChildNodes() ) addSynopsisChildren( &n, & item );
n = n.nextSibling();
}
}
void PDFGenerator::addAnnotations( Poppler::Page * popplerPage, Okular::Page * page )
{
#ifdef HAVE_POPPLER_0_28
QSet<Poppler::Annotation::SubType> subtypes;
subtypes << Poppler::Annotation::AFileAttachment
<< Poppler::Annotation::ASound
<< Poppler::Annotation::AMovie
<< Poppler::Annotation::AWidget
<< Poppler::Annotation::AScreen
<< Poppler::Annotation::AText
<< Poppler::Annotation::ALine
<< Poppler::Annotation::AGeom
<< Poppler::Annotation::AHighlight
<< Poppler::Annotation::AInk
<< Poppler::Annotation::AStamp
<< Poppler::Annotation::ACaret;
QList<Poppler::Annotation*> popplerAnnotations = popplerPage->annotations( subtypes );
#else
QList<Poppler::Annotation*> popplerAnnotations = popplerPage->annotations();
#endif
foreach(Poppler::Annotation *a, popplerAnnotations)
{
bool doDelete = true;
Okular::Annotation * newann = createAnnotationFromPopplerAnnotation( a, &doDelete );
if (newann)
{
page->addAnnotation(newann);
if ( a->subType() == Poppler::Annotation::AScreen )
{
Poppler::ScreenAnnotation *annotScreen = static_cast<Poppler::ScreenAnnotation*>( a );
Okular::ScreenAnnotation *screenAnnotation = static_cast<Okular::ScreenAnnotation*>( newann );
// The activation action
const Poppler::Link *actionLink = annotScreen->action();
if ( actionLink )
screenAnnotation->setAction( createLinkFromPopplerLink( actionLink ) );
// The additional actions
const Poppler::Link *pageOpeningLink = annotScreen->additionalAction( Poppler::Annotation::PageOpeningAction );
if ( pageOpeningLink )
screenAnnotation->setAdditionalAction( Okular::Annotation::PageOpening, createLinkFromPopplerLink( pageOpeningLink ) );
const Poppler::Link *pageClosingLink = annotScreen->additionalAction( Poppler::Annotation::PageClosingAction );
if ( pageClosingLink )
screenAnnotation->setAdditionalAction( Okular::Annotation::PageClosing, createLinkFromPopplerLink( pageClosingLink ) );
}
if ( a->subType() == Poppler::Annotation::AWidget )
{
Poppler::WidgetAnnotation *annotWidget = static_cast<Poppler::WidgetAnnotation*>( a );
Okular::WidgetAnnotation *widgetAnnotation = static_cast<Okular::WidgetAnnotation*>( newann );
// The additional actions
const Poppler::Link *pageOpeningLink = annotWidget->additionalAction( Poppler::Annotation::PageOpeningAction );
if ( pageOpeningLink )
widgetAnnotation->setAdditionalAction( Okular::Annotation::PageOpening, createLinkFromPopplerLink( pageOpeningLink ) );
const Poppler::Link *pageClosingLink = annotWidget->additionalAction( Poppler::Annotation::PageClosingAction );
if ( pageClosingLink )
widgetAnnotation->setAdditionalAction( Okular::Annotation::PageClosing, createLinkFromPopplerLink( pageClosingLink ) );
}
if ( !doDelete )
annotationsHash.insert( newann, a );
}
if ( doDelete )
delete a;
}
}
void PDFGenerator::addTransition( Poppler::Page * pdfPage, Okular::Page * page )
// called on opening when MUTEX is not used
{
Poppler::PageTransition *pdfTransition = pdfPage->transition();
if ( !pdfTransition || pdfTransition->type() == Poppler::PageTransition::Replace )
return;
Okular::PageTransition *transition = new Okular::PageTransition();
switch ( pdfTransition->type() ) {
case Poppler::PageTransition::Replace:
// won't get here, added to avoid warning
break;
case Poppler::PageTransition::Split:
transition->setType( Okular::PageTransition::Split );
break;
case Poppler::PageTransition::Blinds:
transition->setType( Okular::PageTransition::Blinds );
break;
case Poppler::PageTransition::Box:
transition->setType( Okular::PageTransition::Box );
break;
case Poppler::PageTransition::Wipe:
transition->setType( Okular::PageTransition::Wipe );
break;
case Poppler::PageTransition::Dissolve:
transition->setType( Okular::PageTransition::Dissolve );
break;
case Poppler::PageTransition::Glitter:
transition->setType( Okular::PageTransition::Glitter );
break;
case Poppler::PageTransition::Fly:
transition->setType( Okular::PageTransition::Fly );
break;
case Poppler::PageTransition::Push:
transition->setType( Okular::PageTransition::Push );
break;
case Poppler::PageTransition::Cover:
transition->setType( Okular::PageTransition::Cover );
break;
case Poppler::PageTransition::Uncover:
transition->setType( Okular::PageTransition::Uncover );
break;
case Poppler::PageTransition::Fade:
transition->setType( Okular::PageTransition::Fade );
break;
}
#ifdef HAVE_POPPLER_0_37
transition->setDuration( pdfTransition->durationReal() );
#else
transition->setDuration( pdfTransition->duration() );
#endif
switch ( pdfTransition->alignment() ) {
case Poppler::PageTransition::Horizontal:
transition->setAlignment( Okular::PageTransition::Horizontal );
break;
case Poppler::PageTransition::Vertical:
transition->setAlignment( Okular::PageTransition::Vertical );
break;
}
switch ( pdfTransition->direction() ) {
case Poppler::PageTransition::Inward:
transition->setDirection( Okular::PageTransition::Inward );
break;
case Poppler::PageTransition::Outward:
transition->setDirection( Okular::PageTransition::Outward );
break;
}
transition->setAngle( pdfTransition->angle() );
transition->setScale( pdfTransition->scale() );
transition->setIsRectangular( pdfTransition->isRectangular() );
page->setTransition( transition );
}
void PDFGenerator::addFormFields( Poppler::Page * popplerPage, Okular::Page * page )
{
QList<Poppler::FormField*> popplerFormFields = popplerPage->formFields();
QLinkedList<Okular::FormField*> okularFormFields;
foreach( Poppler::FormField *f, popplerFormFields )
{
Okular::FormField * of = 0;
switch ( f->type() )
{
case Poppler::FormField::FormButton:
of = new PopplerFormFieldButton( static_cast<Poppler::FormFieldButton*>( f ) );
break;
case Poppler::FormField::FormText:
of = new PopplerFormFieldText( static_cast<Poppler::FormFieldText*>( f ) );
break;
case Poppler::FormField::FormChoice:
of = new PopplerFormFieldChoice( static_cast<Poppler::FormFieldChoice*>( f ) );
break;
default: ;
}
if ( of )
// form field created, good - it will take care of the Poppler::FormField
okularFormFields.append( of );
else
// no form field available - delete the Poppler::FormField
delete f;
}
if ( !okularFormFields.isEmpty() )
page->setFormFields( okularFormFields );
}
PDFGenerator::PrintError PDFGenerator::printError() const
{
return lastPrintError;
}
QWidget* PDFGenerator::printConfigurationWidget() const
{
if ( !pdfOptionsPage )
{
const_cast<PDFGenerator*>(this)->pdfOptionsPage = new PDFOptionsPage();
}
return pdfOptionsPage;
}
bool PDFGenerator::supportsOption( SaveOption option ) const
{
switch ( option )
{
case SaveChanges:
{
return true;
}
default: ;
}
return false;
}
bool PDFGenerator::save( const QString &fileName, SaveOptions options, QString *errorText )
{
Q_UNUSED(errorText);
Poppler::PDFConverter *pdfConv = pdfdoc->pdfConverter();
pdfConv->setOutputFileName( fileName );
if ( options & SaveChanges )
pdfConv->setPDFOptions( pdfConv->pdfOptions() | Poppler::PDFConverter::WithChanges );
QMutexLocker locker( userMutex() );
bool success = pdfConv->convert();
if (!success)
{
switch (pdfConv->lastError())
{
case Poppler::BaseConverter::NotSupportedInputFileError:
// This can only happen with Poppler before 0.22 which did not have qt5 version
break;
case Poppler::BaseConverter::NoError:
case Poppler::BaseConverter::FileLockedError:
// we can't get here
break;
case Poppler::BaseConverter::OpenOutputError:
// the default text message is good for this case
break;
}
}
delete pdfConv;
return success;
}
Okular::AnnotationProxy* PDFGenerator::annotationProxy() const
{
return annotProxy;
}
#include "generator_pdf.moc"
Q_LOGGING_CATEGORY(OkularPdfDebug, "org.kde.okular.generators.pdf", QtWarningMsg)
/* kate: replace-tabs on; indent-width 4; */
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