Features

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

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

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

Encode writes the Image m to w in JPEG 4:2:0 baseline format with the given options.

DefaultQuality is the default quality encoding parameter.

Options are the encoding parameters.

Deprecated: Reader is deprecated.

A FormatError reports that the input is not a valid JPEG.

An UnsupportedError reports that the input uses a valid but unimplemented JPEG feature.