Imports github.com/golang/freetype github.com/golang/freetype/truetype golang.org/x/image/bmp golang.org/x/image/draw golang.org/x/image/font golang.org/x/image/math/fixed golang.org/x/image/tiff Standard library imports bytes crypto/sha1 embed encoding/hex fmt image image/color image/draw image/gif image/jpeg image/png io math/rand net/http os strings sync time