pub suberror VarError {
  UnexpectedEof
  InvalidFormat
} derive(Eq, Show, ToJson)

pub struct AvarMapping {
  from_raw : Int
  to_raw : Int
} derive(Eq, Show, ToJson)

pub struct AvarSegmentMap {
  mappings : Array[AvarMapping]
} derive(Eq, Show, ToJson)

pub struct AvarTable {
  axes : Array[AvarSegmentMap]
} derive(Eq, Show, ToJson)

pub struct AxisCoord {
  tag : 
@moonbit-community/harfbuzz/common.Tag
Tag
  value : Double
} derive(Eq, Show, ToJson)

pub struct AxisRecord {
  tag : 
@moonbit-community/harfbuzz/common.Tag
Tag
  min_value : Double
  default_value : Double
  max_value : Double
  flags : Int
  name_id : Int
} derive(Eq, Show, ToJson)

type CffIndex derive(Show, ToJson)

pub struct CvarTable {
  version : Int
  tuple_data : TupleVariationData
} derive(Show, ToJson)

pub struct DeltaSetIndexMap {
  map_count : Int
  width : Int
  inner_bit_count : Int
  map_data : Bytes
} derive(Eq, Show, ToJson)

pub struct FvarTable {
  axes : Array[AxisRecord]
  instances : Array[InstanceRecord]
} derive(Eq, Show, ToJson)

pub struct GvarTable {
  axis_count : Int
  shared_tuple_count : Int
  shared_tuples_offset : Int
  glyph_count : Int
  flags : Int
  data_offset : Int
  offsets : Array[Int]
  data : Bytes
} derive(Show, ToJson)

pub struct HvarTable {
  var_store : ItemVariationStore
  adv_map : DeltaSetIndexMap?
  lsb_map : DeltaSetIndexMap?
  rsb_map : DeltaSetIndexMap?
} derive(Show, ToJson)

pub struct InstanceRecord {
  subfamily_name_id : Int
  flags : Int
  coordinates : Array[Double]
  postscript_name_id : Int?
} derive(Eq, Show, ToJson)

pub struct ItemVariationStore {
  region_list : VarRegionList
  data_sets : Array[VarData]
} derive(Eq, Show, ToJson)

pub struct MultiItemVariationStore {
  region_list : SparseVarRegionList
  data_sets : Array[MultiVarData]
} derive(Show, ToJson)

pub struct MultiVarData {
  region_indices : Array[Int]
  delta_sets : CffIndex
} derive(Show, ToJson)

pub struct MvarRecord {
  tag : 
@moonbit-community/harfbuzz/common.Tag
Tag
  var_idx : UInt
} derive(Eq, Show, ToJson)

pub struct MvarTable {
  records : Array[MvarRecord]
  var_store : ItemVariationStore
} derive(Show, ToJson)

pub struct SparseVarRegionAxis {
  axis_index : Int
  axis : VarRegionAxis
} derive(Eq, Show, ToJson)

pub struct SparseVarRegionList {
  regions : Array[SparseVariationRegion]
} derive(Eq, Show, ToJson)

pub struct SparseVariationRegion {
  axes : Array[SparseVarRegionAxis]
} derive(Eq, Show, ToJson)

type TupleHeader derive(Show, ToJson)

pub struct TupleVariation {
  peak : Array[Int]
  start : Array[Int]?
  end : Array[Int]?
  indices : Array[Int]?
  deltas_x : Array[Int]
  deltas_y : Array[Int]?
} derive(Show, ToJson)

pub struct TupleVariationData {
  axis_count : Int
  tuple_headers : Array[TupleHeader]
  shared_points : Array[Int]?
  shared_points_size : Int
  data_offset : Int
  data : Bytes
} derive(Show, ToJson)

pub(all) struct VarData {
  item_count : Int
  word_count : Int
  long_words : Bool
  region_indices : Array[Int]
  deltas : Bytes
} derive(Eq, Show, ToJson)

pub(all) struct VarRegionAxis {
  start_coord : Int
  peak_coord : Int
  end_coord : Int
} derive(Eq, Show, ToJson)

pub(all) struct VarRegionList {
  axis_count : Int
  region_count : Int
  axes : Array[VarRegionAxis]
} derive(Eq, Show, ToJson)

pub struct VarcComponent {
  glyph : Int
  visible : Bool
  axis_indices : Array[Int]
  axis_values : Array[Double]
  coords : Array[Int]
  transform : VarcTransform
} derive(Show, ToJson)

pub enum VarcCondition {
  AxisRange(Int, Int, Int)
  Value(Int, Int)
  And(Array[VarcCondition])
  Or(Array[VarcCondition])
  Not(VarcCondition)
} derive(Show, ToJson)

pub struct VarcTable {
  version : Int
  coverage_offset : Int
  var_store_offset : Int
  condition_list_offset : Int
  axis_indices_offset : Int
  glyph_records_offset : Int
  data : Bytes
} derive(Show, ToJson)

pub struct VarcTransform {
  translate_x : Double
  translate_y : Double
  rotation : Double
  scale_x : Double
  scale_y : Double
  skew_x : Double
  skew_y : Double
  tcenter_x : Double
  tcenter_y : Double
} derive(Show, ToJson)

fn fixed16_to_f2dot14(raw : Int) -> Int