glqr

gleam add glqr@1

Display QR Code

import gleam/io
import glqr as qr

pub fn main() -> Nil {
  let assert Ok(code) =
    qr.new("HELLO WORLD")
    |> qr.generate()

  code
  |> qr.to_printable()
  |> io.println()
}

Config Options

import gleam/io
import glqr as qr

pub fn main() -> Nil {
  let assert Ok(code) =
    qr.new("HELLO WORLD")
    |> qr.error_correction(qr.L)
    |> qr.min_version(10)
    |> qr.generate()

  code
  |> qr.to_printable()
  |> io.println()
}

Save SVG

import glqr as qr
import simplifile

pub fn main() -> Nil {
  let assert Ok(code) =
    qr.new("HELLO WORLD")
    |> qr.generate()

  let svg =
    code
    |> qr.to_svg()

  let assert Ok(_) = simplifile.write("output.svg", svg)
  Nil
}

Further documentation can be found at https://hexdocs.pm/glqr.

Development

gleam run   # Run the project
gleam test  # Run the tests

TODO

• Import as local module
• Data Analysis
  • Numeric
  • Alphanumeric
  • Byte
  • Kanji
• Data Encoding
  • Mode Indicator
  • Character Count Indicator
  • Data Bits
  • Terminator
  • Pad Bits
• Error correction
• QR Code Structure
• Draw Matrix
• Add Snapshot Testing