v2.0

Additions

ComposedFrame:

• UTF-16 Variants:
  • var codeUnitRange: Range<Int>
  • func indexOfLine(forCodeUnitAt index: Int) -> Int
  • func selectionPath(forCodeUnitRange codeUnitRange: Range<Int>) -> CGPath

ComposedLine:

• UTF-16 Variants:
  • var codeUnitRange: Range<Int>
  • func distance(forCodeUnitAt index: Int) -> CGFloat
  • func visualEdges(forCodeUnitRange: Range<Int>) -> [CGFloat]
  • func indexOfCodeUnit(at distance: CGFloat) -> Int

FrameResolver:

• UTF-16 Variant: func makeFrame(codeUnitRange: Range<Int>) -> ComposedFrame?

GlyphRun:

• UTF-16 Variants:
  • func clusterStart(forCodeUnitAt index: Int) -> Int
  • func clusterEnd(forCodeUnitAt index: Int) -> Int
  • func leadingGlyphIndex(forCodeUnitAt index: Int) -> Int
  • func trailingGlyphIndex(forCodeUnitAt index: Int) -> Int
  • func distance(forCodeUnitAt index: Int) -> CGFloat
  • func indexOfCodeUnit(at distance: CGFloat) -> Int

ScriptClassifier:

• UTF-16 Variant: func scriptRuns(forCodeUnitRange: Range<Int>) -> RunSequence

ScriptRun:

• UTF-16 Range: var codeUnitRange: Range<Int>

ShapingEngine:

• UTF-16 Variant: func shape(string: String, codeUnitRange: Range<Int>) -> ShapingResult

ShapingResult:

• UTF-16 Range: var codeUnitRange: Range<Int>

Typesetter:

• UTF-16 Variants:
  • func suggestForwardBreak(inCodeUnitRange: Range<Int>, extent: CGFloat, breakMode: BreakMode)
  • func suggestBackwardBreak(inCodeUnitRange: Range<Int>, extent: CGFloat, breakMode: BreakMode)
  • func makeSimpleLine(codeUnitRange: Range<Int>) -> ComposedLine
  • func makeTruncatedLine(codeUnitRange: Range<Int>, extent: CGFloat, breakMode: BreakMode, truncationPlace: TruncationPlace, tokenString: String?) -> ComposedLine
  • func makeTruncatedLine(codeUnitRange: Range<Int>, extent: CGFloat, breakMode: BreakMode, truncationPlace: TruncationPlace, tokenLine: ComposedLine) -> ComposedLine

Updates

• Aggressive optimizations to internal algorithms based on UTF-16 indexes
• Used CGLayer for glyph rendering
• Updated sheen bidi to version 2.3