Re: [WebERP-developers] Doubts with labels and label printing

[Rafael C. <raf...@gm...>]

Hi Ricard,

I do not know. Nicola Asuni's TCPDF works fine. I worked with pdf to solve
a problem, and I tried to document.

Best regards, Rafael.
El 27/09/2015 21:43, "Pak Ricard" <pak...@gm...> escribió:

> Hi Rafael:
>
> Further checking with PDF creation in webERP and it seems webERP is using
> a modified version of TCPDF called CPDF (as I understand from class.pdf.php
> file).
>
> TCPDF has functionality to print barcodes TCPDF::write1DBarcode but it
> seems we have been using another library (barcodepack). Any specific
> reason?
>
> Thanks.
>
>
>
> Regards,
> Ricard
>
> 2015-09-22 0:36 GMT+08:00 Rafael Chacón <raf...@gm...>:
>
>> Hi Ricard,
>>
>> PDF, Nicola Asuni's TCPDF, R&OS's PHP Pdf Creation, and FPDF use
>> dot-per-inch (72 dpi = 1 inch).
>>
>> I do not know Labels.php and PDFPrintLabels.php scripts, but other
>> webERP scripts use dpi, not mm.
>>
>> I think the problem is that the code has changed from FPDF or
>> PHP_Pdf_Creation to TCPDF, but there are remnants of the old code.
>> Example of this is the height (Y pos): some code measure it from top, other
>> from bottom, and there are functions that do this conversion. Also, you can
>> NOT update TCPDF because there are compatibility problems (I tried this
>> last year).
>>
>> For standardisation, I think page and label measurements must be stored
>> in DB in dpi. But user interface could be different (user choice? mm, cm,
>> inch, dot, ...).
>>
>> Best regards, Rafael.
>>
>>
>> 2015-09-21 5:44 GMT-06:00 Pak Ricard <pak...@gm...>:
>>
>>> Hi Phil:
>>>
>>> I'm trying to make Labels.php and PDFPrintLabels.php work and I'm facing
>>> some issues.
>>>
>>> 1) Units in PDF points or mm?
>>> The title of the script states that all measurements are in PDF points,
>>> but line 11 onwards are meausrements in mm (A4 is 297 x 210 mm, as example).
>>> In PDFPrintLabels.php line 134 SELECT statement seems to transform DB
>>> fields in mm to PDF points
>>> In PDFPrintLabels.php line 164 and 165 seems to transform from mm to PDF
>>> points
>>> So not sure if page and label measurements must be done (and stored in
>>> DB) in mm or in PDF points. Looks like it's in mm, but title text and
>>> comments state differently.
>>>
>>> 2) Can't delete a field
>>> Also, in Labels.php, trying to delete a field shows an error:
>>> Not Acceptable!
>>> An appropriate representation of the requested resource could not be
>>> found on this server. This error was generated by Mod_Security.
>>> It's the first time I get this error message, so no clue what it meant.
>>> Are you using any specific library?
>>>
>>> 3) Problem positioning items
>>> I am creating a label with Code, price and barcode. It seems like the
>>> first field is properly positioned (stockid) but not price. Any combination
>>> tried does not position it correctly. Not sure what's wrong. I want Code
>>> and Price on the left half (code in top of the price) and barcode on the
>>> right half. There is no way to position price below stockid.
>>>
>>> Here is the definition of label I'm using and the desired position of
>>> fields (I supposed right measurements are in mm)
>>>
>>> INSERT INTO `labels` (`labelid`, `description`, `pagewidth`,
>>> `pageheight`, `height`, `width`, `topmargin`, `leftmargin`, `rowheight`,
>>> `columnwidth`) VALUES
>>> (2, 'Zetags T-570', 86.2, 10.2, 10, 86, 0.01, 0.01, 10.1, 86.1);
>>>
>>> INSERT INTO `labelfields` (`labelfieldid`, `labelid`, `fieldvalue`,
>>> `vpos`, `hpos`, `fontsize`, `barcode`) VALUES
>>> (4, 2, 'itemcode', 7, 1, 4, 0),
>>> (5, 2, 'price', 2, 1, 4, 0),
>>> (6, 2, 'barcode', 1, 43, 20, 1);
>>>
>>>
>>> Would be really appreciated if you could check it out. Thanks!
>>>
>>>
>>> Regards,
>>> Ricard
>>>
>>>
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>>>
>>
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