// HelperFromReader cretes a new GIF helper from a Reader.
HelperFromReader cretes a new GIF helper from a Reader.
// HelperFromReader cretes a new GIF helper from a Reader .
func HelperFromReader(r io.Reader) (helper Helper, err error) {
	var g *gif.GIF
	g, err = gif.DecodeAll(r)
	if err != nil {
		return
	}
	helper, err = NewHelper(g)
	return
}
func HelperFromReader ( r io . Reader ) ( helper Helper , err error ) { var g * gif . GIF g , err = gif . DecodeAll ( r ) if err != nil { return } helper , err = NewHelper ( g ) return }
HelperFromReader cretes a new GIF helper from a Reader.
HelperFromReader cretes a new GIF helper from a Reader .