C++ QWebFrame::renderTreeDump方法代码示例

void DumpRenderTree::dump()
{
    // Prevent any further frame load or resource load callbacks from appearing after we dump the result.
    DumpRenderTreeSupportQt::dumpFrameLoader(false);
    DumpRenderTreeSupportQt::dumpResourceLoadCallbacks(false);

    QWebFrame *mainFrame = m_page->mainFrame();

    if (isStandAloneMode()) {
        QString markup = mainFrame->toHtml();
        fprintf(stdout, "Source:\n\n%s\n", markup.toUtf8().constData());
    }

    QString mimeType = DumpRenderTreeSupportQt::responseMimeType(mainFrame);
    if (mimeType == "text/plain")
        m_controller->dumpAsText();

    // Dump render text...
    QString resultString;
    if (m_controller->shouldDumpAsText())
        resultString = dumpFramesAsText(mainFrame);
    else {
        resultString = mainFrame->renderTreeDump();
        resultString += dumpFrameScrollPosition(mainFrame);
    }
    if (!resultString.isEmpty()) {
        fprintf(stdout, "Content-Type: text/plain\n");
        fprintf(stdout, "%s", resultString.toUtf8().constData());

        if (m_controller->shouldDumpBackForwardList()) {
            fprintf(stdout, "%s", dumpBackForwardList(webPage()).toUtf8().constData());
            foreach (QObject* widget, windows) {
                QWebPage* page = qobject_cast<QWebPage*>(widget->findChild<QWebPage*>());
                fprintf(stdout, "%s", dumpBackForwardList(page).toUtf8().constData());
            }

void CutyCapt::saveSnapshot() {
  QWebFrame *mainFrame = mPage->mainFrame();
  QPainter painter;
  const char* format = NULL;

  for (int ix = 0; CutyExtMap[ix].id != OtherFormat; ++ix) {
    if (CutyExtMap[ix].id == mFormat) {
      format = CutyExtMap[ix].identifier;
    }
  }

  // TODO: sometimes contents/viewport can have size 0x0 in which case saving
  // them will fail. This is likely the result of the method being called too
  // early. So far I've been unable to find a workaround, except using --delay
  // with some substantial wait time. I've tried to resize multiple time, make
  // a fake render, check for other events... This is primarily a problem under
  // my Ubuntu virtual machine.

  mPage->setViewportSize( mainFrame->contentsSize() );

  switch (mFormat) {
    case SvgFormat: {
      QSvgGenerator svg;
      svg.setFileName(mOutput);
      svg.setSize(mPage->viewportSize());
      painter.begin(&svg);
      mainFrame->render(&painter);
      painter.end();
      break;
    }
    case PdfFormat:
    case PsFormat: {
      QPrinter printer;
      printer.setPageSize(QPrinter::A4);
      printer.setOutputFileName(mOutput);
      // TODO: change quality here?
      mainFrame->print(&printer);
      break;
    }
#if QT_VERSION < 0x050000
    case RenderTreeFormat:
      QFile file(mOutput);
      file.open(QIODevice::WriteOnly | QIODevice::Text);
      QTextStream s(&file);
      s.setCodec("utf-8");
      s << mainFrame->renderTreeDump();
      break;
    }
#endif
    case InnerTextFormat:
    case HtmlFormat: {
      QFile file(mOutput);
      file.open(QIODevice::WriteOnly | QIODevice::Text);
      QTextStream s(&file);
      s.setCodec("utf-8");
      s << (mFormat == InnerTextFormat ? mainFrame->toPlainText() : (mFormat == HtmlFormat ? mainFrame->toHtml() : "bug"));
      break;
    }
    default: {
      QImage image(mPage->viewportSize(), QImage::Format_ARGB32);
      painter.begin(&image);
      mainFrame->render(&painter);
      painter.end();
      // TODO: add quality
      image.save(mOutput, format);
    }
  };