Sets the current character spacing.
- iOS 2.0+
- macOS 10.0+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
- Core Graphics
A value that represents the amount of additional space to place between glyphs, in text space coordinates.
Core Graphics adds the additional space to the advance between the origin of one character and the origin of the next character. For information about the text coordinate system, see