GSLayoutManager

This property should normally not be modified directly. It is exposed mainly for state restoration purposes.

This property should normally not be modified directly. It is exposed mainly for state restoration purposes.

Like layerIndex(for:)layerIndexForPoint:layerIndexForPoint_, but prefers a layer whose drawn outline contains the point (searching outward from the active layer), falling back to the layer-box hit test when no outline is hit. Used for double-click glyph selection.

Performs a simplified implementation of the Unicode Standard Annex #9 – Unicode Bidirectional Algorithm based on the direction of the glyphs of the layers.