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Core Text / Core Text Constants

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Core Text Constants

Topics

Constants

ATSFONTREF_DEFINED
kBSLNIdeographicHighBaseline
kCTAdaptiveImageProviderAttributeName
kCTBackgroundColorAttributeName
kCTBaselineClassAttributeName
kCTBaselineClassHanging
kCTBaselineClassIdeographicCentered
kCTBaselineClassIdeographicHigh
kCTBaselineClassIdeographicLow
kCTBaselineClassMath
kCTBaselineClassRoman
kCTBaselineInfoAttributeName
kCTBaselineOriginalFont
kCTBaselineReferenceFont
kCTBaselineReferenceInfoAttributeName
kCTFontCollectionDisallowAutoActivationOption
kCTFontCollectionIncludeDisabledFontsOption
kCTFontDescriptorMatchingCurrentAssetSize
kCTFontDescriptorMatchingDescriptors
kCTFontDescriptorMatchingError
kCTFontDescriptorMatchingPercentage
kCTFontDescriptorMatchingResult
kCTFontDescriptorMatchingSourceDescriptor
kCTFontDescriptorMatchingTotalAssetSize
kCTFontDescriptorMatchingTotalDownloadedSize
kCTFontDownloadableAttribute
kCTFontDownloadedAttribute
kCTFontManagerBundleIdentifier
kCTFontManagerErrorDomain
kCTFontManagerErrorFontAssetNameKey
kCTFontManagerErrorFontDescriptorsKey
kCTFontManagerErrorFontURLsKey
kCTFontManagerRegisteredFontsChangedNotification
kCTFontOpenTypeFeatureTag
kCTFontOpenTypeFeatureValue
kCTFontOpticalSizeAttribute
kCTFontRegistrationUserInfoAttribute
kCTFontTableAnkr
kCTFontTableLtag
kCTFontTableMATH
kCTFontVariationAxesAttribute
kCTHorizontalInVerticalFormsAttributeName
kCTLanguageAttributeName
kCTRubyAnnotationAttributeName
kCTRubyAnnotationScaleToFitAttributeName
kCTRubyAnnotationSizeFactorAttributeName
kCTVersionNumber10_10
kCTVersionNumber10_11
kCTVersionNumber10_12
kCTVersionNumber10_13
kCTVersionNumber10_14
kCTVersionNumber10_15
kCTVersionNumber10_5_2
kCTVersionNumber10_5_3
kCTVersionNumber10_5_5
kCTVersionNumber10_5
kCTVersionNumber10_6
kCTVersionNumber10_7
kCTVersionNumber10_8
kCTVersionNumber10_9
kCTVersionNumber11_0
kCTWritingDirectionAttributeName
kCTWritingDirectionEmbedding
kCTWritingDirectionOverride
kKERXDescending
kKERXValuesAreLong
kLanguageTagType
kLTAGCurrentVersion
kMORXCoverLogicalOrder
kSTKCrossStreamReset

See Also

Reference

Styling Attributed Strings
Core Text Structures
Core Text Enumerations
Core Text Functions
Core Text Data Types
SFNT Support

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Core TextAPI Collection

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Built on 2026-11-01 · Snapshot snapshot-20261101 (macOS 27.0.1) · Commit 864a336 · by @g-cqd · based on Apple Developer Documentation