diff options
Diffstat (limited to 'qt5/tests/test-poppler-qt5.cpp')
| -rw-r--r-- | qt5/tests/test-poppler-qt5.cpp | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/qt5/tests/test-poppler-qt5.cpp b/qt5/tests/test-poppler-qt5.cpp new file mode 100644 index 00000000..d16728bb --- /dev/null +++ b/qt5/tests/test-poppler-qt5.cpp @@ -0,0 +1,235 @@ +#include <QtCore/QDebug> +#include <QtCore/QFile> +#include <QtWidgets/QApplication> +#include <QtGui/QImage> +#include <QtWidgets/QLabel> +#include <QtGui/QMouseEvent> +#include <QtGui/QPainter> +#include <QtGui/QPaintEvent> +#include <QtWidgets/QToolTip> +#include <QtWidgets/QWidget> + +#include <poppler-qt5.h> + +class PDFDisplay : public QWidget // picture display widget +{ +public: + PDFDisplay( Poppler::Document *d, bool arthur ); + ~PDFDisplay(); + void setShowTextRects(bool show); + void display(); +protected: + void paintEvent( QPaintEvent * ); + void keyPressEvent( QKeyEvent * ); + void mousePressEvent( QMouseEvent * ); +private: + int m_currentPage; + QImage image; + Poppler::Document *doc; + QString backendString; + bool showTextRects; + QList<Poppler::TextBox*> textRects; +}; + +PDFDisplay::PDFDisplay( Poppler::Document *d, bool arthur ) +{ + showTextRects = false; + doc = d; + m_currentPage = 0; + if (arthur) + { + 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); +} + +void PDFDisplay::setShowTextRects(bool show) +{ + showTextRects = show; +} + +void PDFDisplay::display() +{ + if (doc) { + Poppler::Page *page = doc->page(m_currentPage); + if (page) { + qDebug() << "Displaying page using" << backendString << "backend: " << m_currentPage; + QTime t = QTime::currentTime(); + image = page->renderToImage(); + qDebug() << "Rendering took" << t.msecsTo(QTime::currentTime()) << "msecs"; + 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; + } + } else { + qWarning() << "doc not loaded"; + } +} + +PDFDisplay::~PDFDisplay() +{ + qDeleteAll(textRects); + delete doc; +} + +void PDFDisplay::paintEvent( QPaintEvent *e ) +{ + QPainter paint( this ); // paint widget + if (!image.isNull()) { + paint.drawImage(0, 0, image); + } else { + qWarning() << "null image"; + } +} + +void PDFDisplay::keyPressEvent( QKeyEvent *e ) +{ + if (e->key() == Qt::Key_Down) + { + if (m_currentPage + 1 < doc->numPages()) + { + m_currentPage++; + display(); + } + } + else if (e->key() == Qt::Key_Up) + { + if (m_currentPage > 0) + { + m_currentPage--; + display(); + } + } + else if (e->key() == Qt::Key_Q) + { + exit(0); + } +} + +void PDFDisplay::mousePressEvent( QMouseEvent *e ) +{ + int i = 0; + foreach(Poppler::TextBox *tb, textRects) + { + if (tb->boundingBox().contains(e->pos())) + { + QString tt = QString("Text: \"%1\"\nIndex in text list: %2").arg(tb->text()).arg(i); + QToolTip::showText(e->globalPos(), tt, this); + break; + } + ++i; + } +} + +int main( int argc, char **argv ) +{ + QApplication a( argc, argv ); // QApplication required! + + if ( argc < 2 || + (argc == 3 && strcmp(argv[2], "-extract") != 0 && strcmp(argv[2], "-arthur") != 0 && strcmp(argv[2], "-textRects") != 0) || + argc > 3) + { + // use argument as file name + qWarning() << "usage: test-poppler-qt5 filename [-extract|-arthur|-textRects]"; + 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); + } + + // 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(); + qDebug() << " Metadata: " << doc->metadata(); + + if ( doc->hasEmbeddedFiles() ) { + qDebug() << "Embedded files:"; + foreach( Poppler::EmbeddedFile *file, doc->embeddedFiles() ) { + qDebug() << " " << file->name(); + } + qDebug(); + } else { + qDebug() << "No embedded files"; + } + + if (doc->numPages() <= 0) + { + delete doc; + qDebug() << "Doc has no pages"; + return 0; + } + + Poppler::Page *page = doc->page(0); + if (page) + { + qDebug() << "Page 1 size: " << page->pageSize().width()/72 << "inches x " << page->pageSize().height()/72 << "inches"; + delete page; + } + + if (argc == 2 || (argc == 3 && strcmp(argv[2], "-arthur") == 0) || (argc == 3 && strcmp(argv[2], "-textRects") == 0)) + { + bool useArthur = (argc == 3 && strcmp(argv[2], "-arthur") == 0); + PDFDisplay test( doc, useArthur ); // create picture display + test.setWindowTitle("Poppler-Qt5 Test"); + test.setShowTextRects(argc == 3 && strcmp(argv[2], "-textRects") == 0); + test.display(); + test.show(); // show it + + return a.exec(); // start event loop + } + else + { + Poppler::Page *page = doc->page(0); + + QLabel *l = new QLabel(page->text(QRectF()), 0); + l->show(); + delete page; + delete doc; + return a.exec(); + } +} |