v3.0

Updates:

• Added support for text justification in TTextView
• Updated FreeType to version 2.13.0
• Updated HarfBuzz to version 7.3.0
• Updated SheenBidi to version 2.6
• Updated UniBreak to version 5.1
• Minor bug fixes and architectural improvements

v2.5

Updates

• Added actual code of dependent libraries instead of submodules
• Updated the project to use HarfBuzz for text shaping

v2.4

Additions

• Added support for color fonts consisting of COLR / CPAL tables
• Covered a color font with palettes in demo project
• Added support for colored and stroked glyphs' caching

Typeface:

• Palette Entry Names: var paletteEntryNames: [String]
• Predefined Palettes: var predefinedPalettes: [ColorPalette]
• Palette Colors: var associatedColors: [UIColor]
• Color Instance: func colorInstance(forColors colors: [UIColor]) -> Typeface?

TLabel:

• Rendering Style: fill, fillStroke, stroke
• Stroke Properties: color, width, cap, join, miter

v2.3

Additions

• Added support for variable fonts
• Covered variable fonts in demo project

FontFile:

• init?(path: String)
• init?(data: Data)
• init?(stream: InputStream)

Typeface:

• init?(data: Data)
• func variationInstance(forCoordinates coordinates: [CGFloat]) -> Typeface?
• var isVariable: Bool
• var variationAxes: [VariationAxis]
• var variationCoordinates: [CGFloat]

Updates

• Fixed a bug related to typeface creation from input stream
• Used dedicated initializers in typeface
• Fixed weight and width value setting from OS2 table
• Removed synchronizable protocol

v2.2

Updates

• Implemented custom text view based on asynchronous operations
• Presented Surah Al-Kahf with Tajweed rules in demo project
• Fixed an issue related to text color in glyph run drawing

v2.1

Updates

• Major bug fix related to bounding box calculation
• A new custom text view component

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

v1.1

Additions

BidiAlgorithm:

• Paragraph Boundary: paragraphBoundary(inCodeUnitRange: Range<Int>) -> Int
• Paragraph Creation:
  • makeParagraph(codeUnitRange: Range<Int>, direction: BaseDirection) -> BidiParagraph?
  • makeParagraph(codeUnitRange: Range<Int>, baseLevel: UInt8) -> BidiParagraph?

BidiParagraph:

• Line Creation: makeLine(codeUnitRange: Range<Int>) -> BidiLine?
• UTF-16 Range: var codeUnitRange: Range<Int>

BidiLine:

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

BidiRun:

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

BidiPair:

• Character Index: var characterIndex: String.Index

Typesetter:

• Line Truncation:
  • func makeTruncatedLine(characterRange: Range<String.Index>, extent: CGFloat, breakMode: BreakMode, truncationPlace: TruncationPlace, tokenString: String?) -> ComposedLine
  • func makeTruncatedLine(characterRange: Range<String.Index>, extent: CGFloat, breakMode: BreakMode, truncationPlace: TruncationPlace, tokenLine: ComposedLine) -> ComposedLine

FrameResolver:

• Truncation Support:
  • var truncationMode: BreakMode = .line
  • var truncationPlace: TruncationPlace? = nil

TLabel:

• Hit Testing:
  • func indexOfCodeUnit(at position: CGPoint) -> Int?
  • func indexOfCharacter(at position: CGPoint) -> String.Index?
• Truncation Support:
  • var truncationMode: BreakMode
  • var truncationPlace: TruncationPlace?
• Current Frame: var textFrame: ComposedFrame?

Demo Project:

• Added LinkableLabel in demo project
• Highlighted links on press in custom label screen

Updates

• Set access specifier of TLabel to open