jpegtest

Documentation

Index

• func Decode(t testing.TB, r io.Reader) image.Image
• func DecodeConfig(t testing.TB, r io.Reader) image.Config
• func Encode(t testing.TB, w io.Writer, m image.Image, o *jpeg.Options)

Functions

func Decode

func Decode(t testing.TB, r io.Reader) image.Image

Decode reads a JPEG image from r and returns it as an image.Image.

func DecodeConfig

func DecodeConfig(t testing.TB, r io.Reader) image.Config

DecodeConfig returns the color model and dimensions of a JPEG image without decoding the entire image.

func Encode

func Encode(t testing.TB, w io.Writer, m image.Image, o *jpeg.Options)

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.