Suggests a contextual line breakpoint based on the width provided.
- iOS 3.2+
- macOS 10.5+
- Mac Catalyst 13.0+Beta
- tvOS 9.0+
- watchOS 2.0+
- Core Text
The typesetter that creates the line. This parameter is required and cannot be set to
The starting point for the line-break calculations. The break calculations include the character starting at
The requested line-break width.
A count of the characters from
start that would cause the line break. The value returned can be used to construct a character range for
The line break can be triggered either by a hard-break character in the stream or by filling the specified width with characters. This function is equivalent to
CTTypesetter with an offset of 0.0.