Instance Method

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.

See Also

Drawing Content

func stroke(CGRect)

Paints a rectangular path using the currently selected stroke color.

func fill(CGRect, blendMode: CGBlendMode)

Paints a rectangular area with the currently selected fill color using the supplied blend mode.

func fill(CGRect)

Paints a rectangular area with the currently selected fill color.