setNotShownAttribute(_:forGlyphRange:)

Declaration

func setNotShownAttribute(_ flag: Bool, forGlyphRange glyphRange: NSRange)

Parameters

• flag:

  True if the glyphs in glyphRange are not shown, False if they are shown.

• glyphRange:

  The range of glyphs in question.

Discussion

For example, a tab or newline character doesn’t leave any marks; it just indicates where following glyphs are laid out.

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

See Also

Interfacing with Glyph Storage

• characterRange(forGlyphRange:actualGlyphRange:)
• glyphRange(forCharacterRange:actualCharacterRange:)
• setAttachmentSize(_:forGlyphRange:)
• setBidiLevels(_:forGlyphRange:)
• setDrawsOutsideLineFragment(_:forGlyphRange:)
• setLineFragmentRect(_:forGlyphRange:usedRect:baselineOffset:)
• setLocation(_:withAdvancements:forStartOfGlyphRange:)