Imports github.com/tdewolff/canvas github.com/tdewolff/canvas/renderers/rasterizer Imports in module “github.com/damonchen/barcode” github.com/damonchen/barcode github.com/damonchen/barcode/qr/common github.com/damonchen/barcode/qr/feature github.com/damonchen/barcode/utils Standard library imports errors fmt image image/color io math net/http strconv strings