Reverse Always True

[Xndy]

I am trying to print a text and allways reverse is true and I set to value false and the same.. help me!

[andrey-ushakov]

Thank you for reporting this. What's your printer model, please?

[Xndy]

Printer: MHT-P26

I commented the line in ticket.dart:

78: bytes += styles.reverse ? cReverseOn.codeUnits : cReverseOff.codeUnits;

But now all underline

[andrey-ushakov]

Thanks, I gonna try to check the issue this week!
At least one other person has reported the same issue. It looks like different printer manufacturers implement ESC/POS commands in a slightly different way...

[Xndy]

I have finshed to prove in another print Model ER-80 and all it is ok ... there is not problem... !

[andrey-ushakov]

Hi @Xndy,
Thank you for your feedback! I've just updated the library which may fix the underline / reverse issues.

May I ask you to print a few test tickets using both of your printers to check if it helps, please?

[Xndy]

All it ok !!

[Xndy]

Thank you !!!

[andrey-ushakov]

Amazing!
If you haven't found any other issues, I'm going to add both models (MHT-P26, ER-80) into the tested printers table.

BTW it seems that the printer on the left doesn't support barcode printing?

[Xndy]

I dont know however I can print qr code in this printer ... and aditionally question... is it posible center image ?

final ByteData data = await rootBundle.load('assets/logo.png');
final Uint8List bytes = data.buffer.asUint8List();
final Image image = decodeImage(bytes);
ticket.image(image);

It's align left but i would align center...

[andrey-ushakov]

I've just added this feature :)

Now images and barcodes are centered by default, but you can also pass the align parameter for left/right alignment.

BTW, the PosTextAlign enum renamed to PosAlign. You have to rename it in your code if you are using it somewhere.

I hope it helps!

I'm going to close this issue, but feel free to reopen it if you have any further questions or ideas!

[narate1973]

what OS are you guys testing on ?