iCloud UIBezierPath

iCloud.swift

let points = [
    ((-1, 0), (0,0), (13,25)),
    ((13, 22), (13, 24), (13, 23)),
    ((23, 12), (13, 17), (17, 12)),
    ((31, 16), (26, 12), (29, 14)),
    ((54, 0), (34, 7), (43, 0)),
    ((78, 24), (67, 0), (78, 11)),
    ((78, 27), (78, 25), (78, 26)),
    ((79, 27), (78, 27), (78, 27)),
    ((94, 42), (87, 27), (94, 33)),
    ((79, 57), (94, 50), (87, 57)),
    ((-2, 0), (0, 0), (55, 57)),
    ((-3, 0), (38, 57), (16, 57)),
    ((0, 41), (7, 57), (0, 49)),
    ((13, 25), (0, 33), (6, 26)),
    ((-3, 0), (47, 31), (47, 94)),
    ((-3, 0), (34, 71), (47, 94)),
    ((-3, 0), (60, 71), (47, 94))
]

let path = UIBezierPath()
for ((x1,y1),(x2,y2),(x3,y3)) in points {
    switch x1 {
    case -1: // move
        path.moveToPoint(CGPoint(x: x3, y: y3))
    case -2: // line
        path.addLineToPoint(CGPoint(x: x3, y: y3))
    case -3: // move+line
        path.moveToPoint(CGPoint(x: x2, y: y2))
        path.addLineToPoint(CGPoint(x: x3, y: y3))
    default: // curve
        path.addCurveToPoint(CGPoint(x:x1, y:y1), controlPoint1: CGPoint(x:x2, y:y2), controlPoint2: CGPoint(x:x3, y:y3))
    }
}