Instance Method


Enables the typesetter to insert a new glyph into the stream.


func insertGlyph(_ glyph: NSGlyph, atGlyphIndex glyphIndex: Int, characterIndex: Int)



The glyph to insert into the glyph cache.


The index at which to insert glyph.


The index of the character that glyph maps to. If the glyph is mapped to several characters, charIndex should indicate the first character to which it’s mapped.


The standard typesetter uses this method for inserting hyphenation glyphs. Because this method keeps the glyph caches synchronized, subclasses should always use this method to insert glyphs instead of calling layoutManager directly.

A subclass can override this method to interact with custom glyph storage.

See Also

Interfacing with Glyph Storage

func characterRange(forGlyphRange: NSRange, actualGlyphRange: NSRangePointer?) -> NSRange

Returns the range for the characters in the receiver’s text store that are mapped to the specified glyphs.

func deleteGlyphs(in: NSRange)

Deletes the specified glyphs from the glyph cache maintained by the layout manager.

func substituteGlyphs(in: NSRange, withGlyphs: UnsafeMutablePointer<NSGlyph>!)

Replaces the specified glyphs with specified replacement glyphs.

func glyphRange(forCharacterRange: NSRange, actualCharacterRange: NSRangePointer?) -> NSRange

Returns the range for the glyphs mapped to the characters of the text store in the specified range.

func setAttachmentSize(NSSize, forGlyphRange: NSRange)

Sets the size the specified glyphs (assumed to be attachments) will be asked to draw themselves at.

func setBidiLevels(UnsafePointer<UInt8>!, forGlyphRange: NSRange)

Sets the direction of the specified glyphs for bidirectional text.

func setDrawsOutsideLineFragment(Bool, forGlyphRange: NSRange)

Sets whether the specified glyphs exceed the bounds of the line fragment in which they are laid out.

func setLineFragmentRect(NSRect, forGlyphRange: NSRange, usedRect: NSRect, baselineOffset: CGFloat)

Sets the line fragment rectangle where the specified glyphs are laid out.

func setNotShownAttribute(Bool, forGlyphRange: NSRange)

Sets whether the specified glyphs are not shown.