Enumeration

CGLineCap

Styles for rendering the endpoint of a stroked line.

Declaration

enum CGLineCap : Int32

Overview

A line cap specifies the method used by strokePath() to draw the endpoint of the line. To change the line cap style in a graphics context, you use the function setLineCap(_:).

Topics

Constants

case butt

A line with a squared-off end. Core Graphics draws the line to extend only to the exact endpoint of the path. This is the default.

case round

A line with a rounded end. Core Graphics draws the line to extend beyond the endpoint of the path. The line ends with a semicircular arc with a radius of 1/2 the line’s width, centered on the endpoint.

case square

A line with a squared-off end. Core Graphics extends the line beyond the endpoint of the path for a distance equal to half the line width.

Beta Software

This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.

Learn more about using Apple's beta software