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% !TeX program = LuaTeX
% Copyright (C) 2019 Roberto Giacomelli

\newbox\mybox
\nopagenumbers

EAN encoder test.

Test 1: one simple barcode EAN13 with default parameter:

\directlua{
local barracuda = require "barracuda"
local barcode = barracuda:get_barcode_class()

local ean13, err = barcode:new_encoder("ean-13")
assert(not err, err)

local symbo, err = ean13:from_string("8006194056290")
assert(not err, err)

local canvas = barracuda:new_canvas()
symbo:append_ga(canvas)

local drv = barracuda:get_driver()
drv:ga_to_hbox(canvas, "mybox")
}
\vrule A\vrule\box\mybox \vrule A\vrule

\medskip
Test 2: one simple EAN8 barcode with default parameter:

\directlua{
local barracuda = require "barracuda"
local barcode = barracuda:get_barcode_class()

local ean8, err = barcode:new_encoder("ean-8")
assert(not err, err)

local symbo, err = ean8:from_string("96385074")
assert(not err, err)

local canvas = barracuda:new_canvas()
symbo:append_ga(canvas)

local drv = barracuda:get_driver()
drv:ga_to_hbox(canvas, "mybox")
}
\vrule A\vrule\box\mybox \vrule A\vrule

\medskip
Test 3: one simple EAN5 barcode with default parameter:

\directlua{
local barracuda = require "barracuda"
local barcode = barracuda:get_barcode_class()
local ean5, err = barcode:new_encoder("ean-5")
assert(not err, err)
local symbo, err = ean5:from_string("54495")
assert(not err, err)
local canvas = barracuda:new_canvas()
symbo:append_ga(canvas)
local drv = barracuda:get_driver()
drv:ga_to_hbox(canvas, "mybox")
}
\vrule A\vrule\box\mybox \vrule A\vrule

\medskip
Test 4: one simple EAN2 barcode with default parameter:

\directlua{
local barracuda = require "barracuda"
local barcode = barracuda:get_barcode_class()
local ean2, err = barcode:new_encoder("ean-2")
assert(not err, err)
local symbo, err = ean2:from_string("53")
assert(not err, err)
local canvas = barracuda:new_canvas()
symbo:append_ga(canvas)
local drv = barracuda:get_driver()
drv:ga_to_hbox(canvas, "mybox")
}
\vrule A\vrule\box\mybox \vrule A\vrule

\medskip
Test 5: EAN13 + EAN5 barcode with default parameter:

\directlua{
local barracuda = require "barracuda"
local barcode = barracuda:get_barcode_class()
local ean, err = barcode:new_encoder("ean-13+5"); assert(not err, err)
local n = 123456789012
local c = ean:checksum(n)
local s = n .. c
local symbo, err = ean:from_string(s.."12345")
assert(not err, err)
local canvas = barracuda:new_canvas()
symbo:append_ga(canvas)
local drv = barracuda:get_driver()
drv:ga_to_hbox(canvas, "mybox")
}
\vrule Test 5\vrule\box\mybox \vrule Test 5\vrule

\medskip
Test 6: EAN13 + EAN2 barcode with default parameter:

\directlua{
local barracuda = require "barracuda"
local barcode = barracuda:get_barcode_class()
local ean, err = barcode:new_encoder("ean-13+2"); assert(not err, err)
local n = 123456789012
local c = ean:checksum(n)
local s = n .. c
local symbo, err = ean:from_string(s.."12")
assert(not err, err)
local canvas = barracuda:new_canvas()
symbo:append_ga(canvas)
local drv = barracuda:get_driver()
drv:ga_to_hbox(canvas, "mybox")
}
\vrule Test 6\vrule\box\mybox \vrule Test 6\vrule

\medskip
Test 7: EAN8 + EAN5 barcode with default parameter:

\directlua{
local barracuda = require "barracuda"
local barcode = barracuda:get_barcode_class()
local ean, err = barcode:new_encoder("ean-8+5"); assert(not err, err)
local n = 1234567
local c = ean:checksum(n)
local s = n .. c
local symbo, err = ean:from_string(s.."12345")
assert(not err, err)
local canvas = barracuda:new_canvas()
symbo:append_ga(canvas)
local drv = barracuda:get_driver()
drv:ga_to_hbox(canvas, "mybox")
}
\vrule Test 7\vrule\box\mybox \vrule Test 7\vrule

\medskip
Test 8: EAN8 + EAN2 barcode with default parameter:

\directlua{
local barracuda = require "barracuda"
local barcode = barracuda:get_barcode_class()
local ean, err = barcode:new_encoder("ean-8+2"); assert(not err, err)
local n = 7865431
local c = ean:checksum(n)
local s = n .. c
local symbo, err = ean:from_string(s.."88")
assert(not err, err)
local canvas = barracuda:new_canvas()
symbo:append_ga(canvas)
local drv = barracuda:get_driver()
drv:ga_to_hbox(canvas, "mybox")
}
\vrule Test 8\vrule\box\mybox \vrule Test 8\vrule

\medskip
Test 9: draw an EAN13 symbol with a user defined height.

\smallskip
We will test also the function barcode:enc\_by\_name(bc\_type, name),
reusing encoders generated previuosly. The height parameter remain local
to the object symbol.
\smallskip

\directlua{
local barracuda = require "barracuda"
local barcode = barracuda:get_barcode_class()
local ean, err = barcode:enc_by_name("ean-13"); assert(not err, err)
local n = 818571884348
local c = ean:checksum(n)
local s = n .. c
local symbo, err = ean:from_string(s); assert(not err, err)
local ok, err = symbo:set_param("height", tex.sp "5mm"); assert(ok, err)
local canvas = barracuda:new_canvas()
symbo:append_ga(canvas)

local s2, err = ean:from_uint(8001120972163); assert(not err, err)
s2:append_ga(canvas, tex.sp "45mm", 0)

local drv = barracuda:get_driver()
drv:ga_to_hbox(canvas, "mybox")
}
\vrule Test 9\vrule\box\mybox \vrule Test 9\vrule

\medskip
Test 10: draw EAN13 symbols with a user defined height.

\smallskip
The parameter height is setting up in the encoder so it will be global.
\smallskip

\directlua{
local barracuda = require "barracuda"
local barcode = barracuda:get_barcode_class()
local ean, err = barcode:enc_by_name("ean-13"); assert(not err, err)
local ok, err  = ean:set_param("height", tex.sp "5mm"); assert(ok, err)
local n = 758458535897; local c = ean:checksum(n); local s = n .. c
local s1, err = ean:from_string(s); assert(not err, err)
local canvas = barracuda:new_canvas()
s1:append_ga(canvas)
local s2, err = ean:from_uint(8001120972163); assert(not err, err)
s2:append_ga(canvas, tex.sp "40mm", 0)
local s3, err = ean:from_uint(8000570000310); assert(not err, err)
local ok, e = s3:set_param{height = tex.sp "10mm"}; assert(ok, e)
s3:append_ga(canvas, tex.sp "90mm", 0)
local drv = barracuda:get_driver()
drv:ga_to_hbox(canvas, "mybox")
}
\vrule Test 10\vrule\box\mybox \vrule Test 10\vrule

\medskip
That's all folk!

\bye