Data Matrix

This is a software library that enables programs to write Data Matrix barcodes of the modern ECC200 variety.

Installation

def deps do
  [
    {:data_matrix, "~> 0.1.0"}
  ]
end

Rendering options

There are currently two formats available: :svg and :text.

SVG options

Option name	Default value
`width`	auto
`height`	auto
`viewbox`	`false`
`module_size`	`5`
`color`	`"black"`
`background`	`"white"`

Text options

Option name	Default value
`zero`	`"0"`
`one`	`"1"`
`newline`	`"\n"`
`separator`	`""`

Example

data = "123456"

svg =
  data
  |> DataMatrix.encode()
  |> DataMatrix.format(:svg, color: "#6e4a7e", background: "aliceblue", width: 200)

File.write!("square.svg", svg)

matrix = DataMatrix.encode("A1B2C3D4E5F6G7H8I9J0K1L2", quiet_zone: 2, type: :rectangle)

File.write("rectangular.svg", DataMatrix.format(matrix, :svg, module_size: 8))