let width = 256
let height = 256

var imageData: [UInt32] = .init(repeating: 0, count: width * height)

var index = 0
for y: UInt32 in 0 ..< 256 {
    for x: UInt32 in 0 ..< 256 {
        imageData[index] = 0xFF000000 | (x << 16) | (y << 8) | (255 - y)

        index += 1
    }
}

let quantizer = MicroColorQuantizer()

let quantizedImageData = quantizer.quantize(bitmap: testImageData, width: width, height: height, maximumNumberOfColors: 256)