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Enumerationswift-png 4.4.5LZ77

StreamHeaderError

Errors that can occur when decompressing a DEFLATE stream embedded in the ‘zlib’ wrapper format.

LZ77.StreamHeaderError.swift:6

enum StreamHeaderError

Mangled symbol

s4LZ77AAO17StreamHeaderErrorOWhat are these?

FNV24: [8K15O]

Cases

case invalidCompressionMethod(UInt8)
A compressed data stream had an invalid compression method code.
case invalidWindowSize(exponent: Int)
A compressed data stream specified an invalid window size.
case invalidCheckBits
A compressed data stream had invalid header check bits.
case unexpectedDictionary
A compressed data stream contains a stream dictionary, which is not allowed in a compressed PNG data stream.

Other members in extension

Types

enum DecompressionError
A decompression error.
struct Deflator
enum Format
struct Inflator
struct InflatorIn

Typealiases

Show obsolete interfaces (1)

typealias DeflateFormat

Citizens in LZ77

Conformances

protocol Equatable
A type that can be compared for value equality.
protocol Error
A type representing an error value that can be thrown.
protocol Sendable
A type whose values can safely be passed across concurrency domains by copying.

Type features

static func != (lhs: Self, rhs: Self) -> Bool
Returns a Boolean value indicating whether two values are not equal.

Available in PNG

Conformances

protocol Error
Functionality common to all library error types.

Type members

static var namespace: String
The string "Stream header error".

Instance members

var details: String?
An optional human-readable string providing additional details about this error.
var message: String

Instance features

var fatal: Never
Halts execution by converting this error into a fatal error.