stroke(_:blendMode:)
Paints a rectangular path using the currently selected stroke color and specified blend mode.
Declaration
func stroke(_ rect: CGRect, blendMode: CGBlendMode)Parameters
- rect:
A rectangle, specified in the Core Graphics coordinate space with values in points.
- blendMode:
The blend mode applied to the stroke operation.
Discussion
Before calling this method, select the stroke color with the setStroke() method on an instance of UIColor.
The blend mode specifies how the new value for a given pixel is calculated, given the existing pixel value and the currently selected fill color. For more information on the blend modes available, see CGBlendMode.