setViewport method

int setViewport([ Rectangle<double>? rect ])

Implementation

int setViewport([math.Rectangle<double>? rect]) {
  Pointer<SdlRect> rectPointer = nullptr;
  if (rect != null) {
    rectPointer = rect.calloc();
  }
  // 1111
  var result = sdlRenderSetViewport(this, rectPointer);
  calloc.free(rectPointer);
  return result;
}