tecnickcom/tc-lib-barcode

UPC-E incorrect

Arduino1987 opened this issue · 4 comments

Arduino1987 commented

I have generate UPC-E for 06141939 code in three different variations which is all valid, but scanner doesn't recognize it. Valid barcode should begin with two short bars, but generated has three.:

614193
image

0614193
image

06141939
image

valid barcode generated on https://barcode.tec-it.com/en/UPCE?data=04252614:
image

my code:

$svgContent = new Com\Tecnick\Barcode\Barcode()
            ->getBarcodeObj('UPCE', '614193', -8, 480, 'black')
            ->setBackgroundColor('white')
            ->getSvgCode();
Arduino1987 commented

same issue with old library https://github.com/tecnickcom/TCPDF
but then I have added fix from this issue to old library it generate UPCE properly for 6-digit codes.

nicolaasuni commented

This should be fixed on the latest version:
2f6a691

Arduino1987 commented

Thank you!

It's OK for 614193 now,
image

but still not correct for 0614193 and 06141939 (should be the same as for 614193).
image

nicolaasuni commented

The UPC-E function expect exactly 6 digits, otherwise it will assume that the code is already in UPC-A format.