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Core Text Reference Collection CTFontCollection Reference

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CTFontCollection Reference

The CTFontCollection opaque type represents a font collection, that is, a group of font descriptors taken together as a single object.

Font collections provide the capabilities of font enumeration, access to global and custom font collections, and access to the font descriptors comprising the collection.

Functions

Data Types

  • A reference to a font collection.

    Declaration

    Swift

    class CTFontCollection { }

    Objective-C

    typedef const struct __CTFontCollection * CTFontCollectionRef;

    Import Statement

    Objective-C

    @import CoreText;

    Swift

    import CoreText

    Availability

    Available in iOS 3.2 and later.

  • A reference to a mutable font collection.

    Declaration

    Swift

    class CTMutableFontCollection { }

    Objective-C

    typedef struct __CTFontCollection * CTMutableFontCollectionRef;

    Discussion

    An opaque reference to a mutable font collection.

    Import Statement

    Objective-C

    @import CoreText;

    Swift

    import CoreText

    Availability

    Available in iOS 4.0 and later.

Constants

  • An option key to specify filtering of duplicates.

    Declaration

    Swift

    let kCTFontCollectionRemoveDuplicatesOption: CFString

    Objective-C

    const CFStringRef kCTFontCollectionRemoveDuplicatesOption;

    Constants

    • kCTFontCollectionRemoveDuplicatesOption

      kCTFontCollectionRemoveDuplicatesOption

      Option key to specify filtering of duplicates.

      Available in iOS 3.2 and later.

    Discussion

    Specify this option key in the options dictionary with a nonzero value to enable automatic filtering of duplicate font descriptors.

  • Option bits for use with CTFontCollectionCopyFontAttribute(s).

    Declaration

    Objective-C

    enum { kCTFontCollectionCopyDefaultOptions = 0, kCTFontCollectionCopyUnique = (1L << 0), kCTFontCollectionCopyStandardSort = (1L << 1) }; typedef uint32_t CTFontCollectionCopyOptions;

    Constants

    • kCTFontCollectionCopyDefaultOptions

      kCTFontCollectionCopyDefaultOptions

      Passing this option indicates that defaults are to be used.

      Available in iOS 4.2 through iOS 8.4.

    • kCTFontCollectionCopyStandardSort

      kCTFontCollectionCopyStandardSort

      Passing this option indicates that the return values should be sorted in standard UI order, suitable for display to the user. This is the same sorting behavior used by NSFontPanel and Font Book.

      Available in iOS 4.2 through iOS 8.4.

    • kCTFontCollectionCopyUnique

      kCTFontCollectionCopyUnique

      Passing this option indicates that duplicate values should be removed from the results.

      Available in iOS 4.2 through iOS 8.4.

    Import Statement

    Objective-C

    @import CoreText;

    Availability

    Available in iOS 4.2 and later.