Instance Property インスタンスプロパティ

transform

The current transform matrix, defining user space coordinates.

Declaration 宣言 

var transform: CGAffineTransform { get set }

Discussion 議論

Modify this matrix to transform content that you subsequently draw into the context. Changes that you make don’t affect existing content.

See Also 参照

Applying Transforms

func scaleBy(x: CGFloat, y: CGFloat)
Scales subsequent drawing operations by an amount in each dimension.
func rotate(by: Angle)
Rotates subsequent drawing operations by an angle.
func translateBy(x: CGFloat, y: CGFloat)
Moves subsequent drawing operations by an amount in each dimension.
func concatenate(CGAffineTransform)
Appends the given transform to the context’s existing transform.