layers

Documentation

Index

• Constants
• func DHash(data []byte) []byte
• func LZ4Decode(data []byte) ([]byte, error)
• func LZ4Encode(data []byte) ([]byte, error)
• func NewDataHeader(data []byte) ([]byte, error)
• func ZeroPadding(data []byte, blocksize int) []byte
• type DataHeader
  • func GetDataHeader(data []byte) (*DataHeader, error)
• type ImageBrush
  • func NewImageBrush(x, y uint) *ImageBrush
  • func (IB *ImageBrush) Draw(data []byte) (*image.NRGBA, error)
  • func (IB *ImageBrush) Extract(img image.Image) error
  • func (IB *ImageBrush) ReadFromBytesChan(size int) []byte
  • func (IB *ImageBrush) SerializeTo(data []byte) error
• type PNG
  • func NewPNG(size uint) *PNG
  • func NewSepPNG(x, y uint) *PNG
  • func (p *PNG) Decode(b []byte, fix bool) ([]byte, error)
  • func (p *PNG) Encode(data []byte, fix bool) ([]byte, error)

Constants

const SizeOfDataHeader = 36

Functions

func DHash

func DHash(data []byte) []byte

func LZ4Decode

func LZ4Decode(data []byte) ([]byte, error)

func LZ4Encode

func LZ4Encode(data []byte) ([]byte, error)

func NewDataHeader

func NewDataHeader(data []byte) ([]byte, error)

func ZeroPadding

func ZeroPadding(data []byte, blocksize int) []byte

Types

type DataHeader

type DataHeader struct {
	Length    uint32 //32byte
	Signature []byte //256byte
}

func GetDataHeader

func GetDataHeader(data []byte) (*DataHeader, error)

type ImageBrush

type ImageBrush struct {
	Height, Width uint
	PixelChan     chan color.NRGBA
	ByteChan      chan byte
	IntChan       chan int
}

func NewImageBrush

func NewImageBrush(x, y uint) *ImageBrush

func (*ImageBrush) Draw

func (IB *ImageBrush) Draw(data []byte) (*image.NRGBA, error)

func (*ImageBrush) Extract

func (IB *ImageBrush) Extract(img image.Image) error

func (*ImageBrush) ReadFromBytesChan

func (IB *ImageBrush) ReadFromBytesChan(size int) []byte

func (*ImageBrush) SerializeTo

func (IB *ImageBrush) SerializeTo(data []byte) error

type PNG

type PNG struct {
	Height, Width uint
}

func NewPNG

func NewPNG(size uint) *PNG

func NewSepPNG

func NewSepPNG(x, y uint) *PNG

func (*PNG) Decode

func (p *PNG) Decode(b []byte, fix bool) ([]byte, error)

func (*PNG) Encode

func (p *PNG) Encode(data []byte, fix bool) ([]byte, error)