Function ThreadMethod

Modules/Core/test/mitkImageAccessorTest.cpp:44–159

std::mutex testMutex;

itk::ITK_THREAD_RETURN_TYPE ThreadMethod(ThreadData *threadData)
{
  if (nullptr == threadData)
    return itk::ITK_THREAD_RETURN_DEFAULT_VALUE;

  mitk::Image::Pointer im = threadData->Data;

  int nrSlices = im->GetDimension(2);

  std::uniform_int_distribution<> distrib(1, 1000000);

  // Create randomly a PixelRead- or PixelWriteAccessor for a slice and access all pixels in it.
  try
  {
    threadData->RandGenMutex.lock();
    auto even = distrib(threadData->RandGen) % 2;
    auto slice = distrib(threadData->RandGen) % nrSlices;
    threadData->RandGenMutex.unlock();

    if (even)
    {
      testMutex.lock();
      mitk::ImageDataItem *iDi = im->GetSliceData(slice);
      testMutex.unlock();
      while (!iDi->IsComplete())
      {
      }

      // MITK_INFO << "pixeltype: " << im->GetPixelType().GetComponentTypeAsString();

      if ((im->GetPixelType().GetComponentTypeAsString() == "short") && (im->GetDimension() == 3))
      {
        // Use pixeltype&dimension specific read accessor

        int xlength = im->GetDimension(0);
        int ylength = im->GetDimension(1);

        mitk::ImagePixelReadAccessor<short, 2> readAccessor(im, iDi);

        itk::Index<2> idx;
        for (int i = 0; i < xlength; ++i)
        {
          for (int j = 0; j < ylength; ++j)
          {
            idx[0] = i;
            idx[1] = j;
            readAccessor.GetPixelByIndexSafe(idx);
          }
        }
      }
      else
      {
        // use general accessor
        mitk::ImageReadAccessor *iRA = new mitk::ImageReadAccessor(im, iDi);
        delete iRA;
      }
    }
    else