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CoreTextMBS constants
Font Class Constants
| Constant | Value | Description |
|---|---|---|
| kCTFontClassClarendonSerifs | &H040000000 |
Clarendon Serifs |
| kCTFontClassFreeformSerifs | &H070000000 |
Freeform Serifs |
| kCTFontClassMaskShift | 28 |
The font class shift. This is used to shift the font class to the upper most 4 bits of the symbolic traits. |
| kCTFontClassModernSerifs | &H030000000 |
Modern Serifs |
| kCTFontClassOldStyleSerifs | &H010000000 |
OldStyleSerifs |
| kCTFontClassOrnamentals | &H090000000 |
Ornamentals |
| kCTFontClassSansSerif | &H080000000 |
Sans Serif |
| kCTFontClassScripts | &H0A0000000 |
Scripts |
| kCTFontClassSlabSerifs | &H050000000 |
Slab Serifs |
| kCTFontClassSymbolic | &H0C0000000 |
Symbolic |
| kCTFontClassTransitionalSerifs | &H020000000 |
Transitional Serifs |
| kCTFontClassUnknown | &H000000000 |
Unknown |
Font Auto-Activation Settings
| Constant | Value | Description |
|---|---|---|
| kCTFontManagerAutoActivationDefault | 0 |
Default auto-activation setting. When specified, the application uses the global setting. |
| kCTFontManagerAutoActivationDisabled | 1 |
Disables auto-activation. |
| kCTFontManagerAutoActivationEnabled | 2 |
Enables auto-activation. |
| kCTFontManagerAutoActivationPromptUser | 3 |
Requires user input for auto-activation. A dialog is presented to the user to confirm auto-activation of the font. |
Font Registration Errors
| Constant | Value | Description |
|---|---|---|
| kCTFontManagerErrorAlreadyRegistered | 105 |
The file has already been registered in the specified scope. |
| kCTFontManagerErrorFileNotFound | 101 |
The file does not exist at the specified URL. |
| kCTFontManagerErrorInsufficientPermissions | 102 |
Cannot access the file due to insufficient permissions. |
| kCTFontManagerErrorInvalidFontData | 104 |
The file contains invalid font data that could cause system problems. |
| kCTFontManagerErrorUnrecognizedFormat | 103 |
The file is not a recognized or supported font file format. |
Font Unregistration Errors
| Constant | Value | Description |
|---|---|---|
| kCTFontManagerErrorInUse | 202 |
The font file is actively in use and cannot be unregistered. |
| kCTFontManagerErrorNotRegistered | 201 |
The file is not registered in the specified scope. |
| kCTFontManagerErrorSystemRequired | 202 |
The file is required by the system and cannot be unregistered. |
Font Registration Scope
| Constant | Value | Description |
|---|---|---|
| kCTFontManagerScopeNone | 0 |
No scope is defined. |
| kCTFontManagerScopeProcess | 1 |
The font is available to the current process for the duration of the process unless directly unregistered. |
| kCTFontManagerScopeSession | 3 |
The font is available to the current user session but will not be available in subsequent sessions. |
| kCTFontManagerScopeUser | 2 |
The font is available to all processes for the current user session and will be available in subsequent sessions unless unregistered. |
Font Traits
| Constant | Value | Description |
|---|---|---|
| kCTFontTraitBold | 2 |
Bold. Additional detail available via kCTFontWeightTrait |
| kCTFontTraitClassMask | 4026531840 |
Mask for the font class |
| kCTFontTraitColorGlyphs | 8192 |
Color bitmap glyphs are available. |
| kCTFontTraitComposite | 16384 |
Composite The font is a CFR (Composite font reference), a cascade list is expected per font. |
| kCTFontTraitCondensed | 64 |
Condensed Additional detail available via kCTFontWidthTrait |
| kCTFontTraitExpanded | 32 |
Expanded Expanded and condensed traits are mutually exclusive |
| kCTFontTraitItalic | 1 |
Italic Additional detail available via kCTFontSlantTrait |
| kCTFontTraitMonoSpace | 1024 |
MonoSpace Use fixed-pitch glyphs if available. May have multiple glyph advances (most CJK glyphs may contain two spaces) |
| kCTFontTraitUIOptimized | 4096 |
UI optimized Synthesize appropriate attributes for UI rendering such as control titles if necessary |
| kCTFontTraitVertical | 2048 |
Vertical Use vertical glyph variants and metrics. |
Underline Pattern
| Constant | Value | Description |
|---|---|---|
| kCTUnderlinePatternDash | &h0200 |
Dash |
| kCTUnderlinePatternDashDot | &h0300 |
Dash Dot |
| kCTUnderlinePatternDashDotDot | &h0400 |
Dash Dot Dot |
| kCTUnderlinePatternDot | &h0100 |
Dot |
| kCTUnderlinePatternSolid | &h0000 |
Solid |
Underline style specifiers.
| Constant | Value | Description |
|---|---|---|
| kCTUnderlineStyleDouble | 9 |
Double underlined. |
| kCTUnderlineStyleNone | 0 |
Not underlined. |
| kCTUnderlineStyleSingle | 1 |
Single underlined. |
| kCTUnderlineStyleThick | 2 |
Thick underlined. |
Version Constants
| Constant | Value | Description |
|---|---|---|
| kCTVersionNumber10_5 | &h00020000 |
Mac OS X 10.5 |
| kCTVersionNumber10_5_2 | &h00020001 |
Mac OS X 10.5.2 |
| kCTVersionNumber10_5_3 | &h00020002 |
Mac OS X 10.5.3 |
| kCTVersionNumber10_5_5 | &h00020003 |
Mac OS X 10.5.5 |
| kCTVersionNumber10_6 | &h00030000 |
Mac OS X 10.6 |
| kCTVersionNumber10_7 | &h00040000 |
Mac OS X 10.7 |
| kCTVersionNumber10_8 | &h00050000 |
Mac OS X 10.8 |
| kCTVersionNumber10_9 | &h00060000 |
Mac OS X 10.9 |
Writing Directions
| Constant | Value | Description |
|---|---|---|
| kCTWritingDirectionEmbedding | 0 | |
| kCTWritingDirectionOverride | 1 |
