Method HandleGET_mxnWindowScreenshot

Modules/RESTAPI/src/mitkRenderingController.cpp:2237–2282

}

void RenderingController::HandleGET_mxnWindowScreenshot(const httplib::Request& req, httplib::Response& res) const
{
  const auto id = ReadRequiredPathParam(req, "id");

  if (!IsValidMxNWindowId(id))
  {
    const auto error = ErrorResponse::InvalidRequest(
      "Malformed MxN window id '" + id + "'. Expected pattern: <prefix>__<bare> with URL-segment-safe characters.",
      req.path);
    this->SendErrorResponse(res, 400, error);
    return;
  }

  if (m_RenderWindowBridge == nullptr || !m_RenderWindowBridge->HasMxNWindowScreenshotProvider())
  {
    const auto error = ErrorResponse::RenderWindowNotAvailable(req.path);
    this->SendErrorResponse(res, 503, error);
    return;
  }

  ScreenshotQueryParams params;
  try
  {
    params = ParseScreenshotQueryParams(req);
  }
  catch (const InvalidScreenshotRequest& e)
  {
    this->SendErrorResponse(res, 400, ErrorResponse::InvalidRequest(e.detail, req.path));
    return;
  }

  try
  {
    const auto imageData = m_RenderWindowBridge->TakeMxNWindowScreenshot(id, params.size, params.format);
    res.status = 200;
    res.set_content(
      reinterpret_cast<const char*>(imageData.data()),
      imageData.size(),
      ContentTypeFor(params.format));
  }
  catch (const std::exception& e)
  {
    const auto [status, payload] = MapBridgeException(e, req.path);
    this->SendErrorResponse(res, status, payload);
  }
}

void RenderingController::Dispatch(std::function<void()> task) const
{