Requesting support for Google's barcode font

[Gaurav]

Hi,
Great project.

Would it be good to consider adding support for Libre Barcode 128(Google font) and similar fonts?

Somehow the encoded output from code-128-encoder does not work, which can you check here.

Is it about standard/conventions? Is it possible to make it work with other barcode fonts?

Thanks

[Holger Will]

That is a common mistake on part of the font author. The reason for that is that there is a faulty encoder library which was widely used many many years ago, and as a consequence there are a lot of broken fonts and encoders out there.
As this encoder is explicitly standards compliant, i do not want to change its behaviour.
You do have some options though.

1. use my code-128-font https://github.com/Holger-Will/code-128-font
2. create your own font with the barcode-font-generator https://github.com/Holger-Will/barcode-font-generator
3. or you can replace the correct codes with the wrong ones.

as for option 3: i might just implement some kind of quirks mode...

for now here is a patch function which should do the trick ;-)

function patch(x){
  var st=x
  st=st.replace(/È/g,"Ã")
  st=st.replace(/É/g,"Ä")
  st=st.replace(/Ê/g,"Å")
  st=st.replace(/Ë/g,"Æ")
  st=st.replace(/Ì/g,"Ç")
  st=st.replace(/Í/g,"È")
  st=st.replace(/Î/g,"É")
  st=st.replace(/Ï/g,"Ê")
  st=st.replace(/Ð/g,"Ë")
  st=st.replace(/Ñ/g,"Ì")
  st=st.replace(/Ò/g,"Í")
  st=st.replace(/Ó/g,"Î")
  return st
}

and then

patch(encoder.encode("Test"))

the resulting string should be compatible with the broken fonts you find on the net.

the bug for the broke google font is here: graphicore/librebarcode#9

[Gaurav]

Wow, thanks for such an elaborated reply.

[Gaurav]

Listening to conversation on librebarcode, are you going to change the barcode mappings on this repo now?

Thanks

[Holger Will]

probably yes. depends on the time i find on the weekend.