Imports rsc.io/qr/coding rsc.io/qr rsc.io/rsc/qr/coding rsc.io/qr/gf256 github.com/golang/freetype rsc.io/qr/web/resize rsc.io/rsc/appfs/fs rsc.io/rsc/qr Standard library imports image/draw image/png image/color crypto/md5 image/jpeg image/gif html/template bytes encoding/base64 encoding/json fmt image io math/rand net/http net/url os sort strconv strings time