PNGChunkModifie

Documentation

Index

• func Constructor(file *os.File, newChunk, addBeforeChunk []byte) []byte
• func NewPLTE(data string) []byte
• func NewZTXt(keyword, data string) []byte
• func NewtEXt(keyword, data string) []byte
• func ReadChunkData(reader io.Reader) ([]byte, error)
• func ReadData(file *os.File, matchChunk []byte)
• func Validate(file *os.File)
• type Chunk

Functions

func Constructor

func Constructor(file *os.File, newChunk, addBeforeChunk []byte) []byte

func NewPLTE

func NewPLTE(data string) []byte

func NewZTXt

func NewZTXt(keyword, data string) []byte

func NewtEXt

func NewtEXt(keyword, data string) []byte

func ReadChunkData

func ReadChunkData(reader io.Reader) ([]byte, error)

func ReadData

func ReadData(file *os.File, matchChunk []byte)

func Validate

func Validate(file *os.File)

Types

type Chunk

type Chunk struct {
	Length uint32
	Type   [4]byte
	Data   []byte
	CRC    uint32
}