src/utils/util.js
/**
     * Expand color to full RGBA string
     *
     * @param raw rgba value
     * @return RGBA string
     */
Expand color to full RGBA string
@param raw rgba value
@return RGBA string
Expand color to full RGBA string @param raw rgba value @return RGBA string
static expandColor (num) {
        num >>>= 0;
        let b = num & 0xFF,
            g = (num & 0xFF00) >>> 8,
            r = (num & 0xFF0000) >>> 16,
            a = ((num & 0xFF000000) >>> 24) / 255;
        return "rgba(" + [r, g, b, a].join(",") + ")";
    }
static expandColor ( num ) { num >>>= 0 ; let b = num & 0xFF , g = ( num & 0xFF00 ) >>> 8 , r = ( num & 0xFF0000 ) >>> 16 , a = ( ( num & 0xFF000000 ) >>> 24 ) / 255 ; return "rgba(" + [ r , g , b , a ] . join ( "," ) + ")" ; }
Expand color to full RGBA string
 @param raw rgba value
 @return RGBA string
Expand color to full RGBA string @param raw rgba value @return RGBA string