Deprecated functions

deprecated_bits.js

function splitLow4Bits(num) {
    return (num & parseInt('00001111', 2))
}

function splitHigh4Bits(num) {
    return (num & parseInt('11110000', 2)) >> 4
}

// All this is no longer needed because of
//   the magic of ArrayBuffer and TypedArrays

function assign32BitColors(array) {
    return new Uint32Array(array.map(x => COLORS[x]))
}
function convertToUint8ClampedArray(array) {
    let test = array.reduce((arr, num) => {
        let bytes = toBytesInt32(num);
        arr.push(bytes[0])
        arr.push(bytes[1])
        arr.push(bytes[2])
        arr.push(bytes[3])
        return arr;
    }, []);
    return new Uint8ClampedArray(test)
}
// split 32bits into 4 x 8bits
function toBytesInt32 (num) {
    let arr = new Uint8Array([
         (num & 0xff000000) >> 24,
         (num & 0x00ff0000) >> 16,
         (num & 0x0000ff00) >> 8,
         (num & 0x000000ff)
    ]);
    return arr;
}