html2pdf.cpp Example File

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#include <QApplication> #include <QCommandLineParser> #include <QFile> #include <QTextStream> #include <QWebEnginePage> #include <functional> using namespace std; using namespace std::placeholders; class Html2PdfConverter : public QObject { Q_OBJECT public: explicit Html2PdfConverter(QString inputPath, QString outputPath); int run(); private slots: void loadFinished(bool ok); void pdfPrintingFinished(const QString &filePath, bool success); private: QString m_inputPath; QString m_outputPath; QScopedPointer<QWebEnginePage> m_page; }; Html2PdfConverter::Html2PdfConverter(QString inputPath, QString outputPath) : m_inputPath(move(inputPath)) , m_outputPath(move(outputPath)) , m_page(new QWebEnginePage) { connect(, &QWebEnginePage::loadFinished, this, &Html2PdfConverter::loadFinished); connect(, &QWebEnginePage::pdfPrintingFinished, this, &Html2PdfConverter::pdfPrintingFinished); } int Html2PdfConverter::run() { m_page->load(QUrl::fromUserInput(m_inputPath)); return QApplication::exec(); } void Html2PdfConverter::loadFinished(bool ok) { if (!ok) { QTextStream(stderr) << tr("failed to load URL '%1'").arg(m_inputPath) << "\n"; QCoreApplication::exit(1); return; } m_page->printToPdf(m_outputPath); } void Html2PdfConverter::pdfPrintingFinished(const QString &filePath, bool success) { if (!success) { QTextStream(stderr) << tr("failed to print to output file '%1'").arg(filePath) << "\n"; QCoreApplication::exit(1); } else { QCoreApplication::quit(); } } int main(int argc, char *argv[]) { QApplication app(argc, argv); QCoreApplication::setApplicationName("html2pdf"); QCoreApplication::setApplicationVersion(QT_VERSION_STR); QCommandLineParser parser; parser.setApplicationDescription( QCoreApplication::translate("main", "Converts the web page INPUT into the PDF file OUTPUT.")); parser.addHelpOption(); parser.addVersionOption(); parser.addPositionalArgument( QCoreApplication::translate("main", "INPUT"), QCoreApplication::translate("main", "Input URL for PDF conversion.")); parser.addPositionalArgument( QCoreApplication::translate("main", "OUTPUT"), QCoreApplication::translate("main", "Output file name for PDF conversion.")); parser.process(QCoreApplication::arguments()); const QStringList requiredArguments = parser.positionalArguments(); if (requiredArguments.size() != 2) parser.showHelp(1); Html2PdfConverter converter(,; return; } #include "html2pdf.moc"

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