% !TeX program = LuaTeX % Copyright (C) 2019-2022 Roberto Giacomelli % test Code 39 encoder \directlua{ local barracuda = require "barracuda" for k, v in pairs(barracuda) do print(k, v) end local barcode = barracuda:barcode() local c39, err = barcode:new_encoder("code39") assert(not err, err) print(c39._NAME) print(c39._VERSION) local info = c39:info() print("encoder name = ", info.name) print("description = ", info.description) for k, tp in ipairs(info.param) do print(k, tp.name, tp.value) end local symb = c39:from_string("123") print("print internal representation of chars") print(table.concat(symb:get_code(), " ")) print("end") assert(symb:get_hri() == nil) local canvas = barracuda:new_canvas() symb:draw(canvas) % canvas:prettyprint_ga() } \bye