func Decode(r io.Reader) (image.Image, error) {
	d := &decoder{
		r:   r,
		crc: crc32.NewIEEE(),
	}
	if err := d.checkHeader(); err != nil {
		if err == io.EOF {
			err = io.ErrUnexpectedEOF
		}
		return nil, err
	}
	for d.stage != dsSeenIEND {
		if err := d.parseChunk(); err != nil {
			if err == io.EOF {
				err = io.ErrUnexpectedEOF
			}
			return nil, err
		}
	}
	return d.img, nil
}
func Decode(r io.Reader) (image.Image, error) {
	d := &decoder{
		r:   r,
		crc: crc32.NewIEEE(),
	}
	if err := d.checkHeader(); err != nil {
		if err == io.EOF {
			err = io.ErrUnexpectedEOF
		}
		return nil, err
	}
	for d.stage != dsSeenIEND {
		if err := d.parseChunk(); err != nil {
			if err == io.EOF {
				err = io.ErrUnexpectedEOF
			}
			return nil, err
		}
	}
	return d.img, nil
}
func Decode ( r io . Reader ) ( image . Image , error ) { d := & decoder { r : r , crc : crc32 . NewIEEE ( ) , } if err := d . checkHeader ( ) ; err != nil { if err == io . EOF { err = io . ErrUnexpectedEOF } return nil , err } for d . stage != dsSeenIEND { if err := d . parseChunk ( ) ; err != nil { if err == io . EOF { err = io . ErrUnexpectedEOF } return nil , err } } return d . img , nil }
// Decode reads a PNG image from r and returns it as an image.Image.
// The type of Image returned depends on the PNG contents.
Decode reads a PNG image from r and returns it as an image . Image . The type of Image returned depends on the PNG contents .