media-libs/zint
Barcode encoding library supporting over 50 symbologies
USE Flags
gui
Global: Build some GUI components (inside the guest window).
png
Global: Adds support for libpng (PNG images)
test
Global: Workaround to pull in packages needed to run with FEATURES=test. Portage-2.1.2 handles this internally, so don't set it in make.conf/package.use anymore