javascript ImageData typed array read whole pixel?

Question

So there is are a lot of examples on how to write an entire pixel from a Uint32Array view of the ImageData object. But is it possible to read an entire pixel without in

Answer 1

figured it out, i need to pass the buffer itself into the Uint32Array constructor, not another BufferView.

var buf32 = new Uint32Array(imgd.data.buffer);
console.log(buf32.length)  // 64 yay!

Answer 2

the buffer length is increased four times because of the retina display, you have to write pixelDensity(1); to avoid this