Ejemplo n.º 1
1
void RenderThread::run()
{
    double factor = qBound(0.01, m_zoomFactor, 10.0);
            
    if (!QFile::exists(m_pdfUrl)) return;

    Poppler::Document* document = Poppler::Document::load(m_pdfUrl);
    if (!document || document->isLocked()) {
        delete document;
        return;
    }

    // Access page of the PDF file
    document->setRenderHint(Poppler::Document::Antialiasing, true);
    document->setRenderHint(Poppler::Document::TextAntialiasing, true);
    Poppler::Page* pdfPage = document->page(0);  // Document starts at page 0
    if (pdfPage == 0) {
        return;
    }

    // Generate a QImage of the rendered page
    QImage image = pdfPage->renderToImage(factor*200.0, factor*200.0);
    emit previewReady(image);
    
    delete pdfPage;
    delete document;
}
Ejemplo n.º 2
0
void TestLinks::checkDests_xr01()
{
    Poppler::Document *doc;
    doc = Poppler::Document::load(TESTDATADIR "/unittestcases/xr01.pdf");
    QVERIFY( doc );

    Poppler::Page *page = doc->page(0);
    QVERIFY( page );

    QList< Poppler::Link* > links = page->links();
    QCOMPARE( links.count(), 2 );

    {
    QCOMPARE( links.at(0)->linkType(), Poppler::Link::Goto );
    Poppler::LinkGoto *link = static_cast< Poppler::LinkGoto * >( links.at(0) );
    const Poppler::LinkDestination dest = link->destination();
    QVERIFY( !isDestinationValid_pageNumber( &dest, doc ) );
    QVERIFY( isDestinationValid_name( &dest ) );
    QCOMPARE( dest.destinationName(), QString::fromLatin1("section.1") );
    }

    {
    QCOMPARE( links.at(1)->linkType(), Poppler::Link::Goto );
    Poppler::LinkGoto *link = static_cast< Poppler::LinkGoto * >( links.at(1) );
    const Poppler::LinkDestination dest = link->destination();
    QVERIFY( !isDestinationValid_pageNumber( &dest, doc ) );
    QVERIFY( isDestinationValid_name( &dest ) );
    QCOMPARE( dest.destinationName(), QString::fromLatin1("section.2") );
    }

    delete doc;
}
Ejemplo n.º 3
0
void SearchDocumentJob::run()
{
    Q_ASSERT(m_document);

    for (int i = 0; i < m_document->numPages(); ++i) {
        int ipage = (startPage + i) % m_document->numPages();
        Poppler::Page *page = m_document->page(ipage);
    
        double sLeft, sTop, sRight, sBottom;
        float scaleW = 1.f / page->pageSizeF().width();
        float scaleH = 1.f / page->pageSizeF().height();
        bool found;
        found = page->search(m_search, sLeft, sTop, sRight, sBottom,
                             Poppler::Page::FromTop,
                             Poppler::Page::IgnoreCase);
        while (found) {
            QRectF result;
            result.setLeft(sLeft * scaleW);
            result.setTop(sTop * scaleH);
            result.setRight(sRight * scaleW);
            result.setBottom(sBottom * scaleH);
            m_matches.append(QPair<int, QRectF>(ipage, result));
            found = page->search(m_search, sLeft, sTop, sRight, sBottom,
                                 Poppler::Page::NextResult,
                                 Poppler::Page::IgnoreCase);
        }

        delete page;
    }
}
Ejemplo n.º 4
0
WINPrint::~WINPrint() {
  if (!doit) return;
  Poppler::Document* document = Poppler::Document::load(file);
  if (document) {
    document->setRenderHint(Poppler::Document::Antialiasing);
    document->setRenderHint(Poppler::Document::TextAntialiasing);

    int nbpages=document->numPages(), nextpage=nbpages-1;
    QPainter Paint;
    if(Paint.begin(Prt)) {
      QImage image;
      QRect rect (0, 0,
                  Prt->paperRect (QPrinter::DevicePixel).width(),
                  Prt->paperRect(QPrinter::DevicePixel).height());
      double rres= Prt->resolution();
      Paint.setRenderHint (QPainter::Antialiasing);
      for (int pg=0;pg < nbpages;pg++) {
        Poppler::Page* pdfPage = document->page (pg);  
        if (pdfPage) {
          image= pdfPage->renderToImage (rres, rres);
          delete pdfPage;
        }
        if (!image.isNull()) {
          Paint.drawImage (rect, image);
          if (pg != nextpage) Prt->newPage();
        }
        else convert_error << "Fail to create image at "
                           << rres << " dpi resolution\n";
      }
      Paint.end();
    }
    delete (document);
  }
}
void guFolderInspector::extractIsbnsFromPdf(QString fileName, QList<QString> &ISBNList)
{
    //PDFDoc *doc;
    //doc = new PDFDoc()
    //qDebug() << "file:" << fileName;
    Poppler::Document* document;
    document = Poppler::Document::load(fileName,0,0);


    //Poppler::Document::
    if (!document || document->isLocked()) {

        // ... error message ....
        delete document;
        return;
    }
    // Paranoid safety check
    if (!document) {
        // ... error message ...
        return;
    }

    Poppler::Page* pdfPage;
    isbnMethods find;

    // Access page of the PDF file
    int numOfPages = document->numPages(); //количество страниц
    int numOfSearchPages = 15;
    //qDebug() << "num of pages " << numOfPages;
    if(numOfPages < numOfSearchPages)
    {
        numOfSearchPages = numOfPages;
    }
    for ( int pageNumber = 0 ; pageNumber < numOfSearchPages ; pageNumber++)
    {
        pdfPage = document->page(pageNumber);  // Document starts at page 0
        if (!pdfPage) {
            // ... error message ...
            continue;
        }

        //QtMsgHandler qInstallMsgHandler ( QtMsgHandler handler )
        QString pageContent;
        pageContent = pdfPage->text(QRectF(QPointF(0,0),pdfPage->pageSizeF()));

        find.findIsbns(pageContent, ISBNList);

        // ... use image ...
        //qDebug() << pageContent;
    }

    // after the usage, the page must be deleted
    delete pdfPage;

    //Finally, don't forget to destroy the document:

    delete document;
}
Ejemplo n.º 6
0
void Renderer::fillTestSlideSize(int slideNumber) {
	if (!this->loadedTestSlides->at(slideNumber)) {
		Poppler::Page * testPage = this->document->page(slideNumber);
		Slide *testSlide = new Slide(testPage->renderToImage(TEST_DPI, TEST_DPI), QRect());
		this->testSlides->replace(slideNumber,testSlide);
		this->loadedTestSlides->replace(slideNumber,true);
		delete testPage;
	}
}
int main( int argc, char **argv )
{
    QApplication a( argc, argv );               // QApplication required!

    QTime t;
    t.start();

    QDir directory( argv[1] );
    foreach ( const QString &fileName, directory.entryList() ) {
        if (fileName.endsWith("pdf") ) {
	    qDebug() << "Doing" << fileName.toLatin1().data() << ":";
	    Poppler::Document *doc = Poppler::Document::load( directory.canonicalPath()+"/"+fileName );
	    if (!doc) {
		qWarning() << "doc not loaded";
	    } else if ( doc->isLocked() ) {
	        if (! doc->unlock( "", "password" ) ) {
		    qWarning() << "couldn't unlock document";
		    delete doc;
		}
	    } else {
		doc->pdfVersion();
		doc->info("Title");
		doc->info("Subject");
		doc->info("Author");
		doc->info("Keywords");
		doc->info("Creator");
		doc->info("Producer");
		doc->date("CreationDate").toString();
		doc->date("ModDate").toString();
		doc->numPages();
		doc->isLinearized();
		doc->isEncrypted();
		doc->okToPrint();
		doc->okToCopy();
		doc->okToChange();
		doc->okToAddNotes();
		doc->pageMode();

		for( int index = 0; index < doc->numPages(); ++index ) {
		    Poppler::Page *page = doc->page( index );
		    QImage image = page->renderToImage();
		    page->pageSize();
		    page->orientation();
		    delete page;
		    std::cout << ".";
		    std::cout.flush();
		}
		std::cout << std::endl;
		delete doc;
	    }
	}
    }

    std::cout << "Elapsed time: " << (t.elapsed()/1000) << "seconds" << std::endl;

}
Ejemplo n.º 8
0
void PageSizesJob::run()
{
    Q_ASSERT(m_document);

    for (int i = 0; i < m_document->numPages(); ++i) {
        Poppler::Page *page = m_document->page(i);
        m_pageSizes.append(page->pageSizeF());
        delete page;
    }
}
Ejemplo n.º 9
0
void RenderPageJob::run()
{
    Q_ASSERT(m_document);

    Poppler::Page *page = m_document->page(m_index);
    float scale = 72.0f * (float(m_width) / page->pageSizeF().width());
    QImage image = page->renderToImage(scale, scale);
    // Note: assuming there's exactly one handler (PDFCanvas) to catch ownership of this when PDFDocument emits a signal with this
    m_page = m_window->createTextureFromImage(image);
    delete page;
}
Ejemplo n.º 10
0
void pdfBoard::updateBoard() { 
     Poppler::Page *pg = pdf->page( currentPage );  
     if ( pg == 0 ) return;
     QImage image = pg->renderToImage( 72*zoom, 72*zoom, x, y, 600, 800 );
     if ( image.isNull() ) return;
     setMinimumSize(600, 800);
     setMaximumSize(600, 800);
     setPixmap( QPixmap::fromImage( image ) );
     show();
     delete pg;
}
void TestMetaData::checkSeascapeOrientation()
{
    Poppler::Document *doc;
    doc = Poppler::Document::load("../../../test/unittestcases/orientation.pdf");
    QVERIFY( doc );

    Poppler::Page *page = doc->page(3);
    QCOMPARE( page->orientation(), Poppler::Page::Seascape );

    delete page;
    delete doc;
}
Ejemplo n.º 12
0
Slide *Renderer::renderSlide(int slideNumber, QRect geometry) {
	this->fillTestSlideSize(slideNumber);

	Slide *testSlide =  this->testSlides->at(slideNumber);
	QPoint scaleFactor = testSlide->computeScaleFactor(geometry, TEST_DPI);

	Poppler::Page * pdfPage = this->document->page(slideNumber);
	QImage image = pdfPage->renderToImage(scaleFactor.x(),scaleFactor.y());
	delete pdfPage;

	return new Slide(image, geometry);
}
void TestMetaData::checkPageSize()
{
    Poppler::Document *doc;

    doc = Poppler::Document::load("../../../test/unittestcases/truetype.pdf");
    QVERIFY( doc );
    Poppler::Page *page = doc->page(0);
    QCOMPARE( page->pageSize(), QSize(595, 842) );
    QCOMPARE( page->pageSizeF(), QSizeF(595.22, 842) );

    delete page;
    delete doc;
}
Ejemplo n.º 14
0
int main( int argc, char **argv )
{
    QApplication a( argc, argv );               // QApplication required!

    if ( argc != 3)
    {
	qWarning() << "usage: test-password-qt4 owner-password filename";
	exit(1);
    }
  
    Poppler::Document *doc = Poppler::Document::load(argv[2], argv[1]);
    if (!doc)
    {
	qWarning() << "doc not loaded";
	exit(1);
    }
  
    // output some meta-data
    int major = 0, minor = 0;
    doc->getPdfVersion( &major, &minor );
    qDebug() << "    PDF Version: " << qPrintable(QString::fromLatin1("%1.%2").arg(major).arg(minor));
    qDebug() << "          Title: " << doc->info("Title");
    qDebug() << "        Subject: " << doc->info("Subject");
    qDebug() << "         Author: " << doc->info("Author");
    qDebug() << "      Key words: " << doc->info("Keywords");
    qDebug() << "        Creator: " << doc->info("Creator");
    qDebug() << "       Producer: " << doc->info("Producer");
    qDebug() << "   Date created: " << doc->date("CreationDate").toString();
    qDebug() << "  Date modified: " << doc->date("ModDate").toString();
    qDebug() << "Number of pages: " << doc->numPages();
    qDebug() << "     Linearised: " << doc->isLinearized();
    qDebug() << "      Encrypted: " << doc->isEncrypted();
    qDebug() << "    OK to print: " << doc->okToPrint();
    qDebug() << "     OK to copy: " << doc->okToCopy();
    qDebug() << "   OK to change: " << doc->okToChange();
    qDebug() << "OK to add notes: " << doc->okToAddNotes();
    qDebug() << "      Page mode: " << doc->pageMode();
    QStringList fontNameList;
    foreach( const Poppler::FontInfo &font, doc->fonts() )
	fontNameList += font.name();
    qDebug() << "          Fonts: " << fontNameList.join( ", " );

    Poppler::Page *page = doc->page(0);
    qDebug() << "    Page 1 size: " << page->pageSize().width()/72 << "inches x " << page->pageSize().height()/72 << "inches";

    PDFDisplay test( doc );        // create picture display
    test.setWindowTitle("Poppler-Qt4 Test");
    test.show();                            // show it

    return a.exec();                        // start event loop
}
Ejemplo n.º 15
0
void PDFDisplay::display()
{
  if (doc) {
    Poppler::Page *page = doc->getPage(currentPage);
    if (page) {
      delete pixmap;
      page->renderToPixmap(&pixmap, -1, -1, -1, -1);
      delete page;
      update();
    }
  } else {
    printf("doc not loaded\n");
  }
}
Ejemplo n.º 16
0
void PDFDisplay::display()
{
    if (doc) {
	Poppler::Page *page = doc->page(m_currentPage);
	if (page) {
	    qDebug() << "Displaying page: " << m_currentPage;
	    image = page->renderToImage();
	    update();
	    delete page;
	}
    } else {
	qWarning() << "doc not loaded";
    }
}
Ejemplo n.º 17
0
void TestActualText::checkActualText1()
{
    Poppler::Document *doc;
    doc = Poppler::Document::load("../../../test/unittestcases/WithActualText.pdf");
    QVERIFY( doc );

    Poppler::Page *page = doc->page(0);
    QVERIFY( page );

    QCOMPARE( page->text(QRectF()), QString("The slow brown fox jumps over the black dog.") );

    delete page;

    delete doc;
}
Ejemplo n.º 18
0
/* === private method implementation ========= */
QImage PdfImageGenerator::generateImage(const int &pno) {
    Poppler::Page* pdfPage = this->pdfDocument->page(pno);
    QImage image;

    if (pdfPage) {
        if (!pageSize.isValid()) {
            image = pdfPage->renderToImage(dpiX * scaleFactor, dpiY * scaleFactor);
        } else {
            image = pdfPage->renderToImage(dpiX * scaleFactor, dpiY * scaleFactor, -1, -1, pageSize.width(), pageSize.height());
        }

        delete pdfPage;
    }

    return image;
}
Ejemplo n.º 19
0
void KisPDFImportWidget::updateMaxCanvasSize()
{
    m_maxWidthInch = 0., m_maxHeightInch = 0.;
    for (QList<int>::const_iterator it = m_pages.constBegin(); it != m_pages.constEnd(); ++it) {
        Poppler::Page *p = m_pdfDoc->page(*it);
        QSizeF size = p->pageSizeF();
        if (size.width() > m_maxWidthInch) {
            m_maxWidthInch = size.width();
        }
        if (size.height() > m_maxHeightInch) {
            m_maxHeightInch = size.height();
        }
    }
    m_maxWidthInch /= 72.;
    m_maxHeightInch /= 72.;
    dbgFile << m_maxWidthInch << "" << m_maxHeightInch;
    updateResolution();
}
Ejemplo n.º 20
0
QImage Pdf::page(int i)
      {
      QImage image;
      // Paranoid safety check
      if (_document == 0) {
            return image;
            }
      
      Poppler::Page* pdfPage = _document->page(i);  // Document starts at page 0
      if (pdfPage == 0) {
            return image;
            }
            
      QSize size = pdfPage->pageSize();
      float scale = 2.0;
      // the size can be decided more intelligently
      image = pdfPage->renderToImage(scale*72.0, scale*72.0, 0, 0, scale*size.width(), scale*size.height());
      delete pdfPage;
      return binarization(image);
      }
Ejemplo n.º 21
0
int main(int argc, char **argv)
{
	if (argc != 2) {
		std::cout << "Usage: " << argv[0] << " PDF" << std::endl;
		return 1;
	}

	QString filename(argv[1]);
	Poppler::Document* document = Poppler::Document::load(filename);

	document->setRenderHint(Poppler::Document::TextHinting, true);
	document->setRenderHint(Poppler::Document::TextSlightHinting, true);

	Poppler::Page* pdfPage = document->page(0);

	// dpi must be high enough
	QImage image = pdfPage->renderToImage(200, 200);

	return 0;
}
void PDFDisplay::display()
{
    if (doc) {
        Poppler::Page *page = doc->page(m_currentPage);
        if (page) {
            qDebug() << "Displaying page using" << backendString << "backend: " << m_currentPage;
            image = page->renderToImage();
            qDeleteAll(textRects);
            if (showTextRects)
            {
                QPainter painter(&image);
                painter.setPen(Qt::red);
                textRects = page->textList();
                foreach(Poppler::TextBox *tb, textRects)
                {
                    painter.drawRect(tb->boundingBox());
                }
            }
            else textRects.clear();
            update();
            delete page;
        }
Ejemplo n.º 23
0
int main( int argc, char **argv )
{
  QApplication a( argc, argv );               // QApplication required!

  if ( argc < 2  || (argc == 3 && strcmp(argv[2], "-extract") != 0) || argc > 3)
  {
    // use argument as file name
    printf("usage: test-poppler-qt filename [-extract]\n");
    exit(1);
  }
  
  Poppler::Document *doc = Poppler::Document::load(argv[1]);
  if (!doc)
  {
    printf("doc not loaded\n");
    exit(1);
  }
  
  if (argc == 2)
  {  
    PDFDisplay test( doc );        // create picture display
    a.setMainWidget( &test);                // set main widget
    test.setCaption("Poppler-Qt Test");
    test.show();                            // show it

    return a.exec();                        // start event loop
  }
  else
  {
    Poppler::Page *page = doc->getPage(0);

    QLabel *l = new QLabel(page->getText(Poppler::Rectangle()), 0);
    l->show();
    a.setMainWidget(l);                // set main widget
    delete page;
    delete doc;
    return a.exec();
  }
}
Ejemplo n.º 24
0
int main( int argc, char **argv )
{
    QApplication a( argc, argv );               // QApplication required!

    if ( argc < 2 ||
        (argc == 3 && strcmp(argv[2], "-arthur") != 0) ||
        argc > 3)
    {
        // use argument as file name
        qWarning() << "usage: test-poppler-qt4 filename [-arthur]";
        exit(1);
    }
  
    Poppler::Document *doc = Poppler::Document::load(QFile::decodeName(argv[1]));
    if (!doc)
    {
        qWarning() << "doc not loaded";
        exit(1);
    }

    if (doc->isLocked())
    {
        qWarning() << "document locked (needs password)";
        exit(0);
    }
  
    if (doc->numPages() <= 0)
    {
        delete doc;
        qDebug() << "Doc has no pages";
        return 0;
    }

    QString backendString;
    if (argc == 3 && strcmp(argv[2], "-arthur") == 0)
    {
        backendString = "Arthur";
        doc->setRenderBackend(Poppler::Document::ArthurBackend);
    }
    else
    {
        backendString = "Splash";
        doc->setRenderBackend(Poppler::Document::SplashBackend);
    }
    doc->setRenderHint(Poppler::Document::Antialiasing, true);
    doc->setRenderHint(Poppler::Document::TextAntialiasing, true);
    
    for (int i = 0; i < doc->numPages(); ++i)
    {
        Poppler::Page *page = doc->page(i);
        if (page) {
            qDebug() << "Rendering page using" << backendString << "backend: " << i;
            QTime t = QTime::currentTime();
            QImage image = page->renderToImage();
            qDebug() << "Rendering took" << t.msecsTo(QTime::currentTime()) << "msecs";
            image.save(QString("test-rennder-to-file%1.ppm").arg(i));
            delete page;
        }
    }
    
    return 0;
}
Ejemplo n.º 25
0
void SearchWorker::run() {
	while (1) {
		bar->search_mutex.lock();
		stop = false;
		if (die) {
			break;
		}
		// always clear results -> empty search == stop search
		emit clear_hits();

		// get search string
		bar->term_mutex.lock();
		if (bar->term.isEmpty()) {
			bar->term_mutex.unlock();
			emit update_label_text("done.");
			continue;
		}
		int start = bar->start_page;
		QString search_term = bar->term;
		forward = bar->forward;
		bar->term_mutex.unlock();

		// check if term contains upper case letters; if so, do case sensitive search (smartcase)
		bool has_upper_case = false;
		for (QString::const_iterator it = search_term.begin(); it != search_term.end(); ++it) {
			if (it->isUpper()) {
				has_upper_case = true;
				break;
			}
		}

#ifdef DEBUG
		cerr << "'" << search_term.toUtf8().constData() << "'" << endl;
#endif
		emit update_label_text(QString("[%1] 0\% searched, 0 hits")
			.arg(has_upper_case ? "Case" : "no case"));

		// search all pages
		int hit_count = 0;
		int page = start;
		do {
			Poppler::Page *p = bar->doc->page(page);
			if (p == NULL) {
				cerr << "failed to load page " << page << endl;
				continue;
			}

			// collect all occurrences
			QList<QRectF> *hits = new QList<QRectF>;
#if POPPLER_VERSION < POPPLER_VERSION_CHECK(0, 22, 0)
			// old search interface, slow for many hits per page
			double x = 0, y = 0, x2 = 0, y2 = 0;
			while (!stop && !die &&
					p->search(search_term, x, y, x2, y2, Poppler::Page::NextResult,
						has_upper_case ? Poppler::Page::CaseSensitive : Poppler::Page::CaseInsensitive)) {
				hits->push_back(QRectF(x, y, x2 - x, y2 - y));
			}
#elif POPPLER_VERSION < POPPLER_VERSION_CHECK(0, 31, 0)
			// new search interface
			QList<QRectF> tmp = p->search(search_term,
					has_upper_case ? Poppler::Page::CaseSensitive : Poppler::Page::CaseInsensitive);
			hits->swap(tmp);
#else
			// even newer interface
			QList<QRectF> tmp = p->search(search_term,
					has_upper_case ? (Poppler::Page::SearchFlags) 0 : Poppler::Page::IgnoreCase);
			// TODO support Poppler::Page::WholeWords
			hits->swap(tmp);
#endif
#ifdef DEBUG
			if (hits->size() > 0) {
				cerr << hits->size() << " hits on page " << page << endl;
			}
#endif
			delete p;

			// clean up when interrupted
			if (stop || die) {
				delete hits;
				break;
			}

			if (hits->size() > 0) {
				hit_count += hits->size();
				emit search_done(page, hits);
			} else {
				delete hits;
			}

			// update progress label next to the search bar
			int percent;
			if (forward) {
				percent = page + bar->doc->numPages() - start;
			} else {
				percent = start + bar->doc->numPages() - page;
			}
			percent = (percent % bar->doc->numPages()) * 100 / bar->doc->numPages();
			QString progress = QString("[%1] %2\% searched, %3 hits")
				.arg(has_upper_case ? "Case" : "no case")
				.arg(percent)
				.arg(hit_count);
			emit update_label_text(progress);

			if (forward) {
				if (++page == bar->doc->numPages()) {
					page = 0;
				}
			} else {
				if (--page == -1) {
					page = bar->doc->numPages() - 1;
				}
			}
		} while (page != start);
#ifdef DEBUG
		cerr << "done!" << endl;
#endif
		emit update_label_text(QString("[%1] done, %2 hits")
				.arg(has_upper_case ? "Case" : "no case")
				.arg(hit_count));
	}
}
Ejemplo n.º 26
0
int main( int argc, char **argv )
{
    QApplication a( argc, argv );               // QApplication required!

    Q_UNUSED( argc );
    Q_UNUSED( argv );

    QTime t;
    t.start();
    QDir dbDir( QStringLiteral( "./pdfdb" ) );
    if ( !dbDir.exists() ) {
	qWarning() << "Database directory does not exist";
    }

    QStringList excludeSubDirs;
    excludeSubDirs << QStringLiteral("000048") << QStringLiteral("000607");

    const QStringList dirs = dbDir.entryList(QStringList() << QStringLiteral("0000*"), QDir::Dirs);
    foreach ( const QString &subdir, dirs ) {
	if ( excludeSubDirs.contains(subdir) ) {
	    // then skip it
	} else {
	    QString path = "./pdfdb/" + subdir + "/data.pdf";
	    std::cout <<"Doing " << path.toLatin1().data() << " :";
	    Poppler::Document *doc = Poppler::Document::load( path );
	    if (!doc) {
		qWarning() << "doc not loaded";
	    } else {
		int major = 0, minor = 0;
		doc->getPdfVersion( &major, &minor );
		doc->info(QStringLiteral("Title"));
		doc->info(QStringLiteral("Subject"));
		doc->info(QStringLiteral("Author"));
		doc->info(QStringLiteral("Keywords"));
		doc->info(QStringLiteral("Creator"));
		doc->info(QStringLiteral("Producer"));
		doc->date(QStringLiteral("CreationDate")).toString();
		doc->date(QStringLiteral("ModDate")).toString();
		doc->numPages();
		doc->isLinearized();
		doc->isEncrypted();
		doc->okToPrint();
		doc->okToCopy();
		doc->okToChange();
		doc->okToAddNotes();
		doc->pageMode();

		for( int index = 0; index < doc->numPages(); ++index ) {
		    Poppler::Page *page = doc->page( index );
		    page->renderToImage();
		    page->pageSize();
		    page->orientation();
		    delete page;
		    std::cout << ".";
		    std::cout.flush();
		}
		std::cout << std::endl;
		delete doc;
	    }
	}
    }

    std::cout << "Elapsed time: " << (t.elapsed()/1000) << std::endl;

}
Ejemplo n.º 27
0
void Worker::run() {
	while (1) {
		res->requestSemaphore.acquire(1);
		if (die) {
			break;
		}

		// get next page to render
		res->requestMutex.lock();
		int page, width, index;
		map<int,pair<int,int> >::iterator less = res->requests.lower_bound(res->center_page);
		map<int,pair<int,int> >::iterator greater = less--;

		if (greater != res->requests.end()) {
			if (greater != res->requests.begin()) {
				// favour nearby page, go down first
				if (greater->first + less->first <= res->center_page * 2) {
					page = greater->first;
					index = greater->second.first;
					width = greater->second.second;
					res->requests.erase(greater);
				} else {
					page = less->first;
					index = less->second.first;
					width = less->second.second;
					res->requests.erase(less);
				}
			} else {
				page = greater->first;
				index = greater->second.first;
				width = greater->second.second;
				res->requests.erase(greater);
			}
		} else {
			page = less->first;
			index = less->second.first;
			width = less->second.second;
			res->requests.erase(less);
		}
		res->requestMutex.unlock();

		// check for duplicate requests
		res->k_page[page].mutex.lock();
		if (res->k_page[page].status[index] == width &&
				res->k_page[page].rotation[index] == res->rotation) {
			res->k_page[page].mutex.unlock();
			continue;
		}
		int rotation = res->rotation;
		res->k_page[page].mutex.unlock();

		// open page
#ifdef DEBUG
		cerr << "    rendering page " << page << " for index " << index << endl;
#endif
		Poppler::Page *p = res->doc->page(page);
		if (p == NULL) {
			cerr << "failed to load page " << page << endl;
			continue;
		}

		// render page
		float dpi = 72.0 * width / res->get_page_width(page);
		QImage img = p->renderToImage(dpi, dpi, -1, -1, -1, -1,
				static_cast<Poppler::Page::Rotation>(rotation));

		if (img.isNull()) {
			cerr << "failed to render page " << page << endl;
			continue;
		}

		// invert to current color setting
		if (res->inverted_colors) {
			img.invertPixels();
		}

		// put page
		res->k_page[page].mutex.lock();
		if (!res->k_page[page].img[index].isNull()) {
			res->k_page[page].img[index] = QImage(); // assign null image
		}

		// adjust all available images to current color setting
		if (res->k_page[page].inverted_colors != res->inverted_colors) {
			res->k_page[page].inverted_colors = res->inverted_colors;
			for (int i = 0; i < 3; i++) {
				res->k_page[page].img[i].invertPixels();
			}
			res->k_page[page].thumbnail.invertPixels();
		}
		res->k_page[page].img[index] = img;
		res->k_page[page].status[index] = width;
		res->k_page[page].rotation[index] = rotation;
		res->k_page[page].mutex.unlock();

		res->garbageMutex.lock();
		res->garbage.insert(page); // TODO add index information?
		res->garbageMutex.unlock();

		emit page_rendered(page);

		// collect goto links
		res->link_mutex.lock();
		if (res->k_page[page].links == NULL) {
			res->link_mutex.unlock();

			QList<Poppler::Link *> *links = new QList<Poppler::Link *>;
			QList<Poppler::Link *> l = p->links();
			links->swap(l);

			res->link_mutex.lock();
			res->k_page[page].links = links;
		}
		if (res->k_page[page].text == NULL) {
			res->link_mutex.unlock();

			QList<Poppler::TextBox *> text = p->textList();
			// assign boxes to lines
			// make single parts from chained boxes
			set<Poppler::TextBox *> used;
			QList<SelectionPart *> selection_parts;
			Q_FOREACH(Poppler::TextBox *box, text) {
				if (used.find(box) != used.end()) {
					continue;
				}
				used.insert(box);

				SelectionPart *p = new SelectionPart(box);
				selection_parts.push_back(p);
				Poppler::TextBox *next = box->nextWord();
				while (next != NULL) {
					used.insert(next);
					p->add_word(next);
					next = next->nextWord();
				}
			}

			// sort by y coordinate
			qStableSort(selection_parts.begin(), selection_parts.end(), selection_less_y);

			QRectF line_box;
			QList<SelectionLine *> *lines = new QList<SelectionLine *>();
			Q_FOREACH(SelectionPart *part, selection_parts) {
				QRectF box = part->get_bbox();
				// box fits into line_box's line
				if (!lines->empty() && box.y() <= line_box.center().y() && box.bottom() > line_box.center().y()) {
					float ratio_w = box.width() / line_box.width();
					float ratio_h = box.height() / line_box.height();
					if (ratio_w < 1.0f) {
						ratio_w = 1.0f / ratio_w;
					}
					if (ratio_h < 1.0f) {
						ratio_h = 1.0f / ratio_h;
					}
					if (ratio_w > 1.3f && ratio_h > 1.3f) {
						lines->back()->sort();
						lines->push_back(new SelectionLine(part));
						line_box = part->get_bbox();
					} else {
						lines->back()->add_part(part);
					}
				// it doesn't fit, create new line
				} else {
					if (!lines->empty()) {
						lines->back()->sort();
					}
					lines->push_back(new SelectionLine(part));
					line_box = part->get_bbox();
				}
			}
			if (!lines->empty()) {
				lines->back()->sort();
			}

			res->link_mutex.lock();
			res->k_page[page].text = lines;
		}