Module aat

Apple Advanced Typography common tables.

See https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6Tables.html

Modules

• class
  Predefined classes.

Structs

• ExtendedStateTable
• LookupSegment2
  Lookup segment for format 2.
• LookupSegment4
  Lookup segment for format 4.
• LookupSingle
  Lookup single record for format 6.
• NoPayload
  Empty data type for a state table entry with no payload.
• StateEntry
  Entry in an (extended) state table.
• StateTable
• TypedLookup

Enums

• Lookup
  Lookup tables provide a way of looking up information about a glyph index. The different cmap subtable formats.

Traits

• LookupValue
  Trait for values that can be read from lookup tables.

Type Aliases

• ClassSubtable
  Maps the glyph indexes of your font into classes.
• ExtendedStateTableU16
• Lookup0
  Simple array format. The lookup data is an array of lookup values, indexed by glyph index.
• Lookup2
  Segment single format. Each non-overlapping segment has a single lookup value that applies to all glyphs in the segment. A segment is defined as a contiguous range of glyph indexes.
• Lookup4
  Segment array format. A segment mapping is performed (as with Format 2), but instead of a single lookup value for all the glyphs in the segment, each glyph in the segment gets its own separate lookup value.
• Lookup6
  Single table format. The lookup data is a sorted list of <glyph index,lookup value> pairs.
• Lookup8
  Trimmed array format. The lookup data is a simple trimmed array indexed by glyph index.
• Lookup10
  Trimmed array format. The lookup data is a simple trimmed array indexed by glyph index.
• LookupGlyphId
• LookupU16
• LookupU32
• RawBytes
  Used for the state_array and entry_table fields in StateHeader.
• RawWords
  Used for the state_array in StxHeader.
• StateHeader
  Header for a state table.
• StxHeader
  Header for an extended state table.