Imports github.com/ajstarks/svgo github.com/goxjs/gl github.com/shibukawa/glfw github.com/shibukawa/nanovgo github.com/vdobler/chart github.com/vdobler/chart/imgg github.com/vdobler/chart/svgg github.com/vdobler/chart/txtg Standard library imports bytes compress/gzip fmt image image/color image/draw image/png io io/ioutil math math/rand os path/filepath regexp runtime sort strconv strings sync time