putImageData method Null safety

void putImageData (
  1. ImageData imagedata,
  2. int dx,
  3. int dy,
  4. [int? dirtyX,
  5. int? dirtyY,
  6. int? dirtyWidth,
  7. int? dirtyHeight]
)

Implementation

void putImageData(ImageData imagedata, int dx, int dy,
    [int? dirtyX, int? dirtyY, int? dirtyWidth, int? dirtyHeight]) {
  if (dirtyX == null &&
      dirtyY == null &&
      dirtyWidth == null &&
      dirtyHeight == null) {
    var imagedata_1 = convertDartToNative_ImageData(imagedata);
    _putImageData_1(imagedata_1, dx, dy);
    return;
  }
  if (dirtyHeight != null &&
      dirtyWidth != null &&
      dirtyY != null &&
      dirtyX != null) {
    var imagedata_1 = convertDartToNative_ImageData(imagedata);
    _putImageData_2(
        imagedata_1, dx, dy, dirtyX, dirtyY, dirtyWidth, dirtyHeight);
    return;
  }
  throw new ArgumentError("Incorrect number or type of arguments");
}