GoThrough - package:image/jpeg

jpeg.DefaultQuality

// DefaultQuality is the default quality encoding parameter.
const DefaultQuality = 75

jpeg.Reader

// Deprecated: Reader is not used by the image/jpeg package and should
// not be used by others. It is kept for compatibility.
type Reader interface {
	io.ByteReader
	io.Reader
}

jpeg.Decode

// Decode reads a JPEG image from r and returns it as an image.Image.
func Decode(r io.Reader) (image.Image, error)

jpeg.DecodeConfig

// DecodeConfig returns the color model and dimensions of a JPEG image without
// decoding the entire image.
func DecodeConfig(r io.Reader) (image.Config, error)

jpeg.Encode

// Encode writes the Image m to w in JPEG 4:2:0 baseline format with the given
// options. Default parameters are used if a nil *Options is passed.
func Encode(w io.Writer, m image.Image, o *Options) error