renderUtf8Lcd method
Implementation
Pointer<SdlSurface> renderUtf8Lcd(String text, int fg, int bg) {
  var fgPointer = calloc<SdlColor>()..fromU32(fg);
  var bgPointer = calloc<SdlColor>()..fromU32(bg);
  // 2466
  var result = ttfRenderUtf8Lcd(this, text, fgPointer.ref, bgPointer.ref);
  calloc.free(fgPointer);
  calloc.free(bgPointer);
  return result;
}