Method CopyData

Common/ExecutionModel/vtkImageInPlaceFilter.cxx:63–100

}

void vtkImageInPlaceFilter::CopyData(vtkImageData* inData, vtkImageData* outData, int* outExt)
{
  char* inPtr = static_cast<char*>(inData->GetScalarPointerForExtent(outExt));
  char* outPtr = static_cast<char*>(outData->GetScalarPointerForExtent(outExt));
  int rowLength, size;
  vtkIdType inIncX, inIncY, inIncZ;
  vtkIdType outIncX, outIncY, outIncZ;
  int idxY, idxZ, maxY, maxZ;

  rowLength = (outExt[1] - outExt[0] + 1) * inData->GetNumberOfScalarComponents();
  size = inData->GetScalarSize();
  rowLength *= size;
  maxY = outExt[3] - outExt[2];
  maxZ = outExt[5] - outExt[4];

  // Get increments to march through data
  inData->GetContinuousIncrements(outExt, inIncX, inIncY, inIncZ);
  outData->GetContinuousIncrements(outExt, outIncX, outIncY, outIncZ);

  // adjust increments for this loop
  inIncY = inIncY * size + rowLength;
  outIncY = outIncY * size + rowLength;
  inIncZ *= size;
  outIncZ *= size;

  // Loop through output pixels
  for (idxZ = 0; idxZ <= maxZ; idxZ++)
  {
    for (idxY = 0; idxY <= maxY; idxY++)
    {
      memcpy(outPtr, inPtr, rowLength);
      outPtr += outIncY;
      inPtr += inIncY;
    }
    outPtr += outIncZ;
    inPtr += inIncZ;
  }
}

//------------------------------------------------------------------------------
void vtkImageInPlaceFilter::PrintSelf(ostream& os, vtkIndent indent)