Qt QWebPage打印 - 文字切断

Question

我有以下Qt代码加载本地html文件并使用已安装的PDFCreator打印它。打印到PDFCreator时，文本在右侧被剪切，仅打印在第一页上。后续页面没有填充背景颜色的文本。

使用QPrinter::PdfFormat作为输出格式并设置文件路径时，会成功生成PDF文件并正确显示内容。我使用的是Qt 5.4。

我是否需要为打印机设置特殊参数，或者这仍然是Qt错误（Qt 5.0报告了一个）。

#include <QApplication>
#include <QWebPage>
#include <QWebFrame>
#include <QTimer>
#include <QFileInfo>
#include <QPrinter>

class Task : public QObject {
    Q_OBJECT
public:
    Task(QObject *parent = 0) : QObject(parent) {}

public slots:
    void run()
    {
        QFileInfo fileInfo("test.html");
        QUrl url = QUrl::fromLocalFile(fileInfo.absoluteFilePath());
        connect(&page, SIGNAL(loadFinished(bool)), this, SLOT(print()));
        page.mainFrame()->load(url);
    }

    void print()
    {
        QPrinter printer;
        printer.setPrinterName("PDFCreator");
        printer.setPaperSize(QPrinter::A4);

#ifdef PRINT_TO_PDF
        printer.setOutputFormat(QPrinter::PdfFormat);
        printer.setOutputFileName("output.pdf");
#endif
        page.mainFrame()->print(&printer);

        emit finished();
    }

signals:
    void finished();

private:
    QWebPage page;
};

#include "main.moc"

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);

    // Task parented to the application so that it
    // will be deleted by the application.
    Task *task = new Task(&app);

    // This will cause the application to exit when
    // the task signals finished.    
    QObject::connect(task, SIGNAL(finished()), &app, SLOT(quit()));

    // This will run the task from the application event loop.
    QTimer::singleShot(0, task, SLOT(run()));

    return app.exec();
}