CoreText watchOS 3.2 to 4.0 API Differences

	Declaration
From	CTFontRef _Nonnull CTFontCreateWithName(CFStringRef _Nullable name, CGFloat size, const CGAffineTransform * _Nullable matrix)
To	CTFontRef _Nonnull CTFontCreateWithName(CFStringRef _Nonnull name, CGFloat size, const CGAffineTransform * _Nullable matrix)

Modified CTFontGetGlyphsForCharacters()

	Declaration
From	_Bool CTFontGetGlyphsForCharacters(CTFontRef _Nonnull font, const UniChar [] characters, CGGlyph [] glyphs, CFIndex count)
To	_Bool CTFontGetGlyphsForCharacters(CTFontRef _Nonnull font, const UniChar _Nonnull[] characters, CGGlyph _Nonnull[] glyphs, CFIndex count)

Modified CTFontGetBoundingRectsForGlyphs()

	Declaration
From	CGRect CTFontGetBoundingRectsForGlyphs(CTFontRef _Nonnull font, CTFontOrientation orientation, const CGGlyph [] glyphs, CGRect * _Nullable boundingRects, CFIndex count)
To	CGRect CTFontGetBoundingRectsForGlyphs(CTFontRef _Nonnull font, CTFontOrientation orientation, const CGGlyph _Nonnull[] glyphs, CGRect * _Nullable boundingRects, CFIndex count)

Modified CTFontGetOpticalBoundsForGlyphs()

	Declaration
From	CGRect CTFontGetOpticalBoundsForGlyphs(CTFontRef _Nonnull font, const CGGlyph [] glyphs, CGRect * _Nullable boundingRects, CFIndex count, CFOptionFlags options)
To	CGRect CTFontGetOpticalBoundsForGlyphs(CTFontRef _Nonnull font, const CGGlyph _Nonnull[] glyphs, CGRect * _Nullable boundingRects, CFIndex count, CFOptionFlags options)

Modified CTFontGetAdvancesForGlyphs()

	Declaration
From	double CTFontGetAdvancesForGlyphs(CTFontRef _Nonnull font, CTFontOrientation orientation, const CGGlyph [] glyphs, CGSize * _Nullable advances, CFIndex count)
To	double CTFontGetAdvancesForGlyphs(CTFontRef _Nonnull font, CTFontOrientation orientation, const CGGlyph _Nonnull[] glyphs, CGSize * _Nullable advances, CFIndex count)

Modified CTFontGetVerticalTranslationsForGlyphs()

	Declaration
From	void CTFontGetVerticalTranslationsForGlyphs(CTFontRef _Nonnull font, const CGGlyph [] glyphs, CGSize [] translations, CFIndex count)
To	void CTFontGetVerticalTranslationsForGlyphs(CTFontRef _Nonnull font, const CGGlyph _Nonnull[] glyphs, CGSize _Nonnull[] translations, CFIndex count)

Modified CTFontDrawGlyphs()

	Declaration
From	void CTFontDrawGlyphs(CTFontRef _Nonnull font, const CGGlyph [] glyphs, const CGPoint [] positions, size_t count, CGContextRef _Nonnull context)
To	void CTFontDrawGlyphs(CTFontRef _Nonnull font, const CGGlyph _Nonnull[] glyphs, const CGPoint _Nonnull[] positions, size_t count, CGContextRef _Nonnull context)

CTFontCollection.h

Added kCTFontCollectionCopyDefaultOptions

Added kCTFontCollectionCopyUnique

Added kCTFontCollectionCopyStandardSort

CTFontDescriptor.h

Removed kCTFontDefaultOrientation

Removed kCTFontHorizontalOrientation

Removed kCTFontVerticalOrientation

CTFontManager.h

Removed kCTFontManagerAutoActivationPromptUser

CTFrame.h

Modified CTFrameGetLineOrigins()

	Declaration
From	void CTFrameGetLineOrigins(CTFrameRef _Nonnull frame, CFRange range, CGPoint [] origins)
To	void CTFrameGetLineOrigins(CTFrameRef _Nonnull frame, CFRange range, CGPoint _Nonnull[] origins)

CTGlyphInfo.h

Removed kCTIdentityMappingCharacterCollection

Removed kCTAdobeCNS1CharacterCollection

Removed kCTAdobeGB1CharacterCollection

Removed kCTAdobeJapan1CharacterCollection

Removed kCTAdobeJapan2CharacterCollection

Removed kCTAdobeKorea1CharacterCollection

CTParagraphStyle.h

Removed kCTLeftTextAlignment

Removed kCTRightTextAlignment

Removed kCTCenterTextAlignment

Removed kCTJustifiedTextAlignment

Removed kCTNaturalTextAlignment

Removed kCTParagraphStyleSpecifierLineSpacing

CTRubyAnnotation.h

Modified CTRubyAnnotationCreate()

	Declaration
From	CTRubyAnnotationRef _Nonnull CTRubyAnnotationCreate(CTRubyAlignment alignment, CTRubyOverhang overhang, CGFloat sizeFactor, CFStringRef _Nonnull [4] text)
To	CTRubyAnnotationRef _Nonnull CTRubyAnnotationCreate(CTRubyAlignment alignment, CTRubyOverhang overhang, CGFloat sizeFactor, CFStringRef _Nullable _Nonnull[4] text)

CTRun.h

Modified CTRunGetGlyphs()

	Declaration
From	void CTRunGetGlyphs(CTRunRef _Nonnull run, CFRange range, CGGlyph [] buffer)
To	void CTRunGetGlyphs(CTRunRef _Nonnull run, CFRange range, CGGlyph _Nonnull[] buffer)

Modified CTRunGetPositions()

	Declaration
From	void CTRunGetPositions(CTRunRef _Nonnull run, CFRange range, CGPoint [] buffer)
To	void CTRunGetPositions(CTRunRef _Nonnull run, CFRange range, CGPoint _Nonnull[] buffer)

Modified CTRunGetAdvances()

	Declaration
From	void CTRunGetAdvances(CTRunRef _Nonnull run, CFRange range, CGSize [] buffer)
To	void CTRunGetAdvances(CTRunRef _Nonnull run, CFRange range, CGSize _Nonnull[] buffer)

Modified CTRunGetStringIndices()

	Declaration
From	void CTRunGetStringIndices(CTRunRef _Nonnull run, CFRange range, CFIndex [] buffer)
To	void CTRunGetStringIndices(CTRunRef _Nonnull run, CFRange range, CFIndex _Nonnull[] buffer)

CTStringAttributes.h

Removed kCTCharacterShapeAttributeName

Added kCTBaselineOffsetAttributeName

CTTypesetter.h

Removed kCTTypesetterOptionDisableBidiProcessing