Method OnPopupMenuTriggered

Modules/FormsUI/src/QmitkScreenshotQuestionWidget.cpp:133–167

}

void QmitkScreenshotQuestionWidget::OnPopupMenuTriggered(const QString& action)
{
  // Create a uniquely named temporary file for storing the screenshot

  QTemporaryFile file(QString("%1/screenshot_XXXXXX.png").arg(QDir::tempPath()));
  file.setAutoRemove(false);

  if (!file.open())
    return;

  fs::path fileName = file.fileName().toStdString();

  // Get the renderer resp. render window matching the triggered action (e.g. "Axial")

  auto renderer = GetRenderer(action);

  if (renderer == nullptr)
    return;

  auto renderWindow = renderer->GetRenderWindow();

  // Temporarily disable double buffering while taking the screenshot so it is not a frame behind

  bool doubleBuffer = renderWindow->GetDoubleBuffer();
  renderWindow->DoubleBufferOff();

  TakeScreenshot(renderer->GetVtkRenderer(), fileName);

  renderWindow->SetDoubleBuffer(doubleBuffer);

  // Add the screenshot to both the question and its widget

  m_Question->AddScreenshot(fileName);
  this->AddScreenshotWidget(file.fileName());
}

void QmitkScreenshotQuestionWidget::AddScreenshotWidget(const QString& screenshotFileName)
{