Instance Property インスタンスプロパティ

lineWidth

The width of the stroked path.

Declaration 宣言 

var lineWidth: CGFloat

See Also 参照

Setting Stroke Style Properties

var lineCap: CGLineCap
The endpoint style of a line.
var lineJoin: CGLineJoin
The join type of a line.
var miterLimit: CGFloat
A threshold used to determine whether to use a bevel instead of a miter at a join.
var dash: [CGFloat]
The lengths of painted and unpainted segments used to make a dashed line.
var dashPhase: CGFloat
How far into the dash pattern the line starts.