[erlang-questions] erlang QR code generation library

Sean Hinde <>
Wed Jan 2 14:20:01 CET 2019



> On 2 Jan 2019, at 14:08,  wrote:
> 
> On 2019年1月2日水曜日 13時34分14秒 JST Karlo Kuna wrote:
>> Hello,
>> 
>> it is 2019, can anyone recommend good open source QR code generation
>> library for erlang (to PNG)?
> 
> I don't know of any, but I totally want to write one now.
> :-)

This seems like a good place to start: https://github.com/komone/qrcode

A whole bunch of forks added rebar support over the years.

qrcode_demo.erl includes a png encoder that seems to work perfectly well despite the disclaimer about how basic it is.

I'm using it for the current day job

Sean


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