Function
GSWritingDirectionValidate(_:)GSWritingDirectionValidateGSWritingDirectionValidate
Whether a value contains only recognized writing-direction and kerning-selector bits.
Declaration
func GSWritingDirectionValidate(_ value: GSWritingDirection) -> BoolDeclaration
BOOL GSWritingDirectionValidate(GSWritingDirection value);Declaration
GSWritingDirectionValidate(value: GSWritingDirection) -> boolSee Also
Writing Direction
The progression of glyphs and lines in text.
A value containing only recognized bits, or leftToRightGSWritingDirectionLeftToRightGSWritingDirectionLeftToRight when the value contains an unsupported bit.