qrcode-core

QR code library in pure Haskell https://github.com/alexkazik/qrcode#readme

Version on this page:0.9.0
Stackage Nightly 2019-05-21:0.9.0
Latest on Hackage:0.9.0

See all snapshots qrcode-core appears in

MIT licensed by ALeX Kazik
Maintained by alex@kazik.de

Module documentation for 0.9.0

There are no documented modules for this package.

qrcode

QR code library in pure Haskell

qrcode-core

Basic functionality to create a QRCode.

All modes are supported:

  • Numeric (digits only)
  • Alphanumeric (digits, letters and some other chars)
  • Binary / Text (ISO 8859-1 and UTF-8)
  • Kanji

There are function to create those specifically and an auto-detect.

The module Codec.QRCode has functions which creates an image out of the input.

The module Codec.QRCode.Intermediate has functions to create segments of a QRCode, join them together and finally create the image.

The core of the resulting image is an Vector of Bools, each element describing a module (“pixel”) where False is white and True is black.

thanks

Project Nayuki for https://github.com/nayuki/QR-Code-generator, which is the foundation of this package.

Changes

Changelog for qrcode-core

0.9.0 – 2019-02-16

  • Changed UTF-8 encoding: encoding a code point outside the unicode range will now fail the encoding, previously a replacement character was inserted
  • Removed a, internal only, partial function
  • Encoding empty data will result in an empty segment
  • Encoding an empty segment fails
  • Added functions to create an (non empty) segment without data
  • Remove StrictData

0.8.0 – 2019-01-09

  • Initial release
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