Bug#712015: cups-filters: cups-pdf produces ugly pdfs through its pixelated font
smell like https://bugs.launchpad.net/ubuntu/+source/cups-pdf/+bug/820820
On Thu, Jun 13, 2013 at 11:22 AM, 王晓林 <wx672ster@gmail.com> wrote:
> Thanks, Bastien
>
> By following https://wiki.ubuntu.com/DebuggingPrintingProblems section
> Capturing print job data, I found something interesting.
>
> What I did:
>
> M-x ps-print-buffer-with-face in emacs
> cd /var/spool/cups && ls -l
> copy the most recently generated file in /var/spool/cups into /tmp, and play
> with it.
>
> sudo cp /var/spool/cups/d00107-001 /tmp
> cd /tmp
> 'file d00107-001' shows that it's a valid ps file
> 'evince d00107-001' shows me a perfect look.
> Then I use ps2pdf to convert it into PDF. The generated PDF looks very good
> too.
>
> Then, I go to my $HOME/PDF directory, open the newly generated PDF,
> _stdin_.pdf. It looks still ugly as before.
> Now, I guess the problem happens when converting /var/spool/cups/d00107-001
> into ~/PDF/_stdin_.pdf
> Generating a fresh new error_log
>
> sudo -s
> cat /dev/null > /var/log/cups/error_log
> M-x ps-print-buffer-with-face in Emacs
> Because Google doesn't allow me to send error_log as email attachment, I
> tried converting it into a PDF file
>
> "a2ps error_log". a2ps sends the output to default printer (cups-pdf in my
> case)
> then I found the newly generated PDF in my ~/PDF, and it's still named
> _stdin_.pdf. When tried open it with xpdf, it cannot be successfully opened.
> Only the first half page is displayed. and the half page looks ugly. Lots
> of "Error: Bad bounding box in Type 3 glyph" shown in command line.
> then I go to /var/spool/cups directory, the newly generated PS file named
> d00109-001 can be opened successfully, and it looks very good.
> I convert it into a PDF with ps2pdf. the PDF looks neat too.
>
> In a short word, all the PS in /var/spool/cups look very good; all the PDF
> in ~/PDF look ugly. In the attachment, you can find
>
> d00107-001, the PS file in /var/spool/cups
> d00107-001.pdf, ps2pdf output
> d00109-001.pdf, the error_log
>
>
>
> On Thu, Jun 13, 2013 at 3:14 PM, Bastien ROUCARIES
> <roucaries.bastien@gmail.com> wrote:
>>
>> On Thu, Jun 13, 2013 at 4:58 AM, 王晓林 <wx672ster@gmail.com> wrote:
>> > Sorry, it seems the attached "error_log" file was silently removed by
>> > gmail.
>> > It's pasted here:
>>
>> Could you get the pribnt job data as explained here:
>> https://wiki.ubuntu.com/DebuggingPrintingProblems section
>> Capturing print job data
>>
>>
>> Could you also try the section call
>> CUPS error_log
>>
>> Smell like a font embded problem,
>>
>> Thanks
>>
>> >
>> >
>>
>> > On Thu, Jun 13, 2013 at 10:41 AM, 王晓林 <wx672ster@gmail.com> wrote:
>> >>>
>> >>> As root:
>> >>>
>> >>>
>> >>> cupsctl --debug-logging
>> >>>
>> >>> echo '' > /var/log/cups/error_log
>> >>>
>> >>> Then print from emacs. Please attach the error_log to a mail to the
>> >>> bug.
>> >>
>> >>
>> >> A freshly generated error_log file is attached within this email;
>> >>
>> >>>
>> >>> Also say what printer you are using and what PPD it uses. You may also
>> >>> attach the /etc/cups/ppd/your_printer.ppd.
>> >>
>> >>
>> >> I don't use physical printer. I just need CUPS to produce PDF outputs
>> >> for
>> >> me. In my /etc/cups/ppd/ directory there is only a PDF.ppd file which
>> >> is
>> >> attached within this email as well.
>> >>
>> >>>
>> >>> It seems that by default cups-ppd use postscript 2 level only (see
>> >>> /usr/share/ppd/cups-pdf/CUPS-PDF.ppd)
>> >>
>> >>
>> >>> Could you try to replace LanguageLevel: "2" by LanguageLevel : "3"
>> >>
>> >> I found there is a line "*LanguageLevel: "2" in /etc/cups/ppd/PDF.ppd.
>> >> I
>> >> change it to "3". And then
>> >> "M-x ps-print-buffer-with-face" within emacs. The output PDF is the
>> >> same,
>> >> nothing improved.
>> >> I did a "sudo /etc/init.d/cups restart", then did "M-x
>> >> ps-print-buffer-with-face" again, and still saw nothing changed.
>> >> I changed /usr/share/ppd/cups-pdf/CUPS-PDF.ppd as Bastien instructed,
>> >> "2"
>> >> -> "3". Then again "M-x ps-print-buffer-with-face", still got the same.
>> >> Still the same after a "sudo /etc/init.d/cups restart".
>> >>
>> >> Thanks for helping!
>> >>
>> >
>
>
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