type PdfBytes = Bytes

pub(all) suberror PdfError {
  InvalidByte(Int)
  InvalidCursorPosition(Int)
  InvalidReadLength(Int)
  InvalidBit(Int)
  InvalidBitCount(Int)
  MatrixNotInvertable
  DictionaryExpected
  DictionaryKeyNotFound(PdfName)
  NumberExpected
  RectangleExpected
  BadRectangle
  MatrixMalformed
  InvalidHexEscape
  InvalidASCII85Data
  FilterNotSupported(PdfName)
  FilterExpected
  CCITTDecodeParmsExpected
  CCITTNotSupported(String)
  InvalidCCITTData
  PredictorExpected
  PredictorNotSupported(Int)
  InvalidLZWData
  InvalidFlateData
  ParseObjectExpected
  ParseArrayMalformed
  ParseSingleObjectExpected
  ParseIndirectObjectExpected
  ParseEndObjectExpected
  ParseStreamExpected
  ParseEndStreamExpected
  StreamLengthExpected
  StreamDataExpected
  ParsedObjectExpected
  PageTreeExpected
  PageRotationExpected(Int)
  ContentOperatorExpected
  ContentOperandExpected
  FunctionExpected
  FunctionNotSupported(Int)
  BadFunctionEvaluation(String)
  StartXRefExpected
  XRefExpected
  XRefEntryExpected
  TrailerExpected
  RootExpected
  BadRevision
  InvalidObjectNumber(Int)
  BadDate
  InvalidUnicodeCodepoint(Int)
  InvalidUTF16BE
  InvalidUTF8
  InvalidPDFDocEncoding(Int)
  CryptoKeyExpected
  InvalidCryptoDataLength(Int)
  EncryptionExpected
  EncryptionMethodExpected
  EncryptionDictionaryEntryExpected(PdfName)
  EncryptionDictionaryEntryTooShort(PdfName)
  EncryptionIDExpected
  EncryptionAuthenticationUnsupported(PdfCryptType)
  EncryptionObjectCryptUnsupported(PdfCryptType)
  EncryptionSavedStateExpected
  EncryptionRecryptUnsupported(PdfCryptType)
  EncryptionRecryptFailed
  EncryptionPermissionsCorrupt
  EncryptionPermissionsMismatch(Int, Int)
  RandomBytesUnavailable
  EncodingExpected
  EncodingDifferencesMalformed
  EncodingWriteUnsupported
  FontSubtypeExpected
  FontFlagsExpected
  StandardFontExpected
  BaseFontExpected
  FontFirstCharExpected
  FontLastCharExpected
  FontWidthsExpected
  FontWidthExpected
  FontCharProcsExpected
  FontTypeExpected
  FontWriteUnsupported
  AfmExpected
  ColourSpaceExpected
  BadText
  CIDSystemInfoExpected
  CIDRegistryExpected
  CIDOrderingExpected
  CIDSupplementExpected
  CIDBaseFontExpected
  CIDFontDescriptorExpected
  CIDWidthsExpected
  CIDWidths2Expected
  DescendantFontExpected
  CMapEncodingExpected
  PageLabelStyleExpected(String)
  EndOfInput
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug)

pub struct BitStream {
  input : ByteCursor
  current_byte : Int
  bit_mask : Int
  bits_read : Int
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug)

pub struct BitStreamPosition {
  input_position : Int
  current_byte : Int
  bit_mask : Int
  bits_read : Int
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug)

pub struct BitWriter {
  current_byte : Int
  bit_index : Int
  bytes : Array[Byte]
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug)

pub struct ByteCursor {
  data : BytesView
  position : Int
  offset : Int
  source : String
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug)

pub struct ByteOutput {
  data : Array[Byte]
  position : Int
  written_length : Int
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) struct ObjectStreamReference {
  object_stream_number : Int
  index : Int
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) struct PaperSize {
  unit : PdfUnit
  width : Double
  height : Double
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) enum PdfAesV3RandomField {
  PdfAesV3FileKey
  PdfAesV3UserValidationSalt
  PdfAesV3UserKeySalt
  PdfAesV3OwnerValidationSalt
  PdfAesV3OwnerKeySalt
  PdfAesV3PermissionsPadding
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) struct PdfAfmData {
  headers : Array[(Bytes, Bytes)]
  char_metrics : Array[(Int, Int)]
  kerns : Array[(Int, Int, Int)]
  char_name_widths : Array[(Bytes, Int)]
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) struct PdfAnnotation {
  subtype : PdfAnnotationSubtype
  contents : Bytes?
  subject : Bytes?
  rectangle : PdfRectangle
  border : PdfAnnotationBorder
  colour : PdfAnnotationColour?
  rest : PdfObject
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) struct PdfAnnotationBorder {
  width : Double
  vertical_radius : Double
  horizontal_radius : Double
  style : PdfAnnotationStyle
  dash_array : Array[Int]
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) struct PdfAnnotationColour {
  red : Int
  green : Int
  blue : Int
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) enum PdfAnnotationStyle {
  AnnotationNoStyle
  AnnotationSolid
  AnnotationDashed
  AnnotationBeveled
  AnnotationInset
  AnnotationUnderlineStyle
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) enum PdfAnnotationSubtype {
  AnnotationText
  AnnotationLink
  AnnotationFreeText
  AnnotationLine
  AnnotationSquare
  AnnotationCircle
  AnnotationPolygon
  AnnotationPolyLine
  AnnotationHighlight
  AnnotationUnderline
  AnnotationSquiggly
  AnnotationStrikeOut
  AnnotationStamp
  AnnotationCaret
  AnnotationInk
  AnnotationPopup(PdfAnnotation)
  AnnotationFileAttachment
  AnnotationSound
  AnnotationMovie
  AnnotationWidget
  AnnotationScreen
  AnnotationPrinterMark
  AnnotationTrapNet
  AnnotationWatermark
  AnnotationThreeDee
  AnnotationUnknown(PdfName)
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) struct PdfBookmark {
  level : Int
  text : Bytes
  target : PdfDestination
  is_open : Bool
  colour : PdfBookmarkColour
  flags : Int
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) struct PdfBookmarkColour {
  red : Double
  green : Double
  blue : Double
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug)

type PdfBookmarkNode derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) struct PdfCIDKeyedFont {
  basefont : PdfName
  composite : PdfCompositeCIDFont
  encoding : PdfCMapEncoding
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) struct PdfCIDSystemInfo {
  registry : Bytes
  ordering : Bytes
  supplement : Int
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) struct PdfCIDVerticalWidth {
  width : Double
  vx : Double
  vy : Double
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) struct PdfCMapCodeSpace {
  length : Int
  first : Int
  last : Int
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) enum PdfCMapEncoding {
  PdfPredefinedCMap(PdfName)
  PdfCMap(Int)
  PdfExternalCMap(Int, PdfParsedCMap)
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug)