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C++ poppler::Page类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中poppler::Page类的典型用法代码示例。如果您正苦于以下问题：C++ Page类的具体用法？C++ Page怎么用？C++ Page使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



在下文中一共展示了Page类的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: run

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;
    }
}
开发者ID:rainemak，项目名称:sailfish-office，代码行数:30，代码来源:pdfjob.cpp


示例2: QVERIFY

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;
}
开发者ID:BlueBrain，项目名称:Poppler，代码行数:32，代码来源:check_links.cpp


示例3: run

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;
}
开发者ID:KDE，项目名称:cirkuit，代码行数:27，代码来源:renderthread.cpp


示例4: rect

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);
  }
}
开发者ID:xywei，项目名称:texmacs，代码行数:34，代码来源:WINPrint.cpp


示例5: extractIsbnsFromPdf

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;
}
开发者ID:lgsoft-developers，项目名称:lguploader，代码行数:58，代码来源:guFolderInspector.cpp


示例6: fillTestSlideSize

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;
	}
}
开发者ID:miguelgraz，项目名称:open-pdf-presenter，代码行数:9，代码来源:renderer.cpp


示例7: main

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;

}
开发者ID:andropenoffie，项目名称:xpdfimport4android，代码行数:56，代码来源:stress-poppler-dir.cpp


示例8: updateBoard

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;
}
开发者ID:jonathanverner，项目名称:comment，代码行数:11，代码来源:testPoppler.cpp


示例9: checkSeascapeOrientation

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;
}
开发者ID:wzhsunn，项目名称:SumatraPDF_0.6_Source，代码行数:12，代码来源:check_metadata.cpp


示例10: Slide

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);
}
开发者ID:miguelgraz，项目名称:open-pdf-presenter，代码行数:12，代码来源:renderer.cpp


示例11: checkPageSize

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;
}
开发者ID:wzhsunn，项目名称:SumatraPDF_0.6_Source，代码行数:13，代码来源:check_metadata.cpp


示例12: main

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
}
开发者ID:，项目名称:，代码行数:51，代码来源:


示例13: display

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");
  }
}
开发者ID:，项目名称:，代码行数:14，代码来源:


示例14: QVERIFY

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;
}
开发者ID:13609594236，项目名称:CrossApp，代码行数:15，代码来源:check_actualtext.cpp


示例15: generateImage

/* === 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;
}
开发者ID:flxw，项目名称:folienizer，代码行数:17，代码来源:pdfimagegenerator.cpp


示例16: updateMaxCanvasSize

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();
}
开发者ID:ChrisJong，项目名称:krita，代码行数:18，代码来源:kis_pdf_import_widget.cpp


示例17: page

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);
      }
开发者ID:IsaacWeiss，项目名称:MuseScore，代码行数:20，代码来源:pdf.cpp


示例18: main

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;
}
开发者ID:hpdeifel，项目名称:infinality_crash_reproduce，代码行数:20，代码来源:test.cpp


示例19: display

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;
        }
开发者ID:andropenoffie，项目名称:xpdfimport4android，代码行数:22，代码来源:test-poppler-qt4.cpp


示例20: main

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;
}
开发者ID:BlueBrain，项目名称:Poppler，代码行数:62，代码来源:test-render-to-file.cpp



注：本文中的poppler::Page类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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