Source
ImageData createImageData(imagedata_OR_sw, [num sh]) { if ((imagedata_OR_sw is ImageData) && sh == null) { return _blink.BlinkCanvasRenderingContext2D.instance .createImageData_Callback_1_(this, imagedata_OR_sw); } if ((sh is num) && (imagedata_OR_sw is num)) { return _blink.BlinkCanvasRenderingContext2D.instance .createImageData_Callback_2_(this, imagedata_OR_sw, sh); } throw new ArgumentError("Incorrect number or type of arguments"); }