pdfbox-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From ACE <chuien...@gmail.com>
Subject Re: unable to convert scanned pdf to jpg using pdf box with JBIG2 ImageIO 3.0.2
Date Fri, 02 Nov 2018 02:13:30 GMT
Hi,

Thank you so much for your help.


Regards,
Ace


On Thu, Nov 1, 2018 at 4:16 PM Tilman Hausherr <THausherr@t-online.de>
wrote:

> Am 01.11.2018 um 09:05 schrieb ACE:
> > Hi,
> >
> > Do I just replace the jai jpeg2000 jar with bfopdf-jj2000.jar for the
> > conversion to work?
> > I don't find any sample implementation code using jj2000.
> >
> > Our situation is there is a jpeg 2000 embedded in pdf. We wanted to
> > converted pdf to jpg.
> > We are using the implementation code found in
> > https://github.com/faceless2/jpeg2000.
> > We got error No JP2 signature box. It seems like it is expecting us to
> pass
> > in a JP2 file.
>
> As I wrote in the linked issue "The bfo.com fork doesn't create a
> plugin". They mention this too: "but with the JAI dependencies removed".
>
> Pleased use the steps I described in
>
> https://issues.apache.org/jira/browse/PDFBOX-1752 .
>
>
> Tilman
>
>
> >
> > Please advise. Thank you.
> >
> >
> >
> > Regards,
> > Ace
> >
> > On Thu, Nov 1, 2018 at 12:26 AM Tilman Hausherr <THausherr@t-online.de>
> > wrote:
> >
> >> Hi,
> >>
> >> This is a bug in the oracle jpeg2000 decoder. See at the bottom of
> >> https://issues.apache.org/jira/browse/PDFBOX-1752
> >> on how to fix this. You need to get the decoder sources and make a few
> >> changes and build.
> >>
> >> Tilman
> >>
> >> Am 31.10.2018 um 10:31 schrieb ACE:
> >>> Hi,
> >>>
> >>> The error is Cannot read JPEG2000 image: java advance imaging(JAI)
> image
> >>> i/o tools are not installed.
> >>> Subsequently I added jai-imageio-jpeg2000 1.3.0 and jai-imageio-core
> >> 1.4.0
> >>> and the image converted has black dots all over.
> >>>
> >>> Pdf and converted image can be found in google drive:
> >>>
> >>
> https://drive.google.com/drive/folders/1_f_aNFQJbqXz50ol8IxlJaLJ41hVH5T2?usp=sharing
> >>>
> >>> Thank you.
> >>>
> >>>
> >>> Regards,
> >>> Ace
> >>>
> >>>
> >>>
> >>> On Wed, Oct 31, 2018 at 3:45 PM Tilman Hausherr <THausherr@t-online.de
> >
> >>> wrote:
> >>>
> >>>> Am 31.10.2018 um 07:38 schrieb ACE:
> >>>>> Hi,
> >>>>>
> >>>>> I am using pdfbox 2.0.12 with extension, JBIG2 ImageIO 3.0.2. I
am
> >>>>> unable to convert the attached pdf to jpg. Converted jpg show white
> >>>>> background only.
> >>>> Hello,
> >>>>
> >>>> Please upload your PDF somewhere, PDF attachments are usually deleted.
> >>>> Please tell also how you converted. (Code or command line utility)
> Also
> >>>> tell whether there were any log messages.
> >>>>
> >>>> Tilman
> >>>>
> >>>> ---------------------------------------------------------------------
> >>>> To unsubscribe, e-mail: users-unsubscribe@pdfbox.apache.org
> >>>> For additional commands, e-mail: users-help@pdfbox.apache.org
> >>>>
> >>>>
> >>
> >> ---------------------------------------------------------------------
> >> To unsubscribe, e-mail: users-unsubscribe@pdfbox.apache.org
> >> For additional commands, e-mail: users-help@pdfbox.apache.org
> >>
> >>
>
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message