go/src/image/gif/writer.go

const gcLabel …

const gcBlockSize …

var log2Lookup …

func log2(x int) int { … }

type writer …

type encoder …

type blockWriter …

func (b blockWriter) setup() { … }

func (b blockWriter) Flush() error { … }

func (b blockWriter) WriteByte(c byte) error { … }

// blockWriter must be an io.Writer for lzw.NewWriter, but this is never
// actually called.
func (b blockWriter) Write(data []byte) (int, error) { … }

func (b blockWriter) close() { … }

func (e *encoder) flush() { … }

func (e *encoder) write(p []byte) { … }

func (e *encoder) writeByte(b byte) { … }

func (e *encoder) writeHeader() { … }

func encodeColorTable(dst []byte, p color.Palette, size int) (int, error) { … }

func (e *encoder) colorTablesMatch(localLen, transparentIndex int) bool { … }

func (e *encoder) writeImageBlock(pm *image.Paletted, delay int, disposal byte) { … }

type Options …

// EncodeAll writes the images in g to w in GIF format with the
// given loop count and delay between frames.
func EncodeAll(w io.Writer, g *GIF) error { … }

// Encode writes the Image m to w in GIF format.
func Encode(w io.Writer, m image.Image, o *Options) error { … }