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From Ankur Tripathi <an...@intelligrape.com>
Subject Re: PDF to Image conversion
Date Thu, 06 Jun 2013 15:05:39 GMT
Maruan,

I had added pdf's to dropbox you can download it from here
https://www.dropbox.com/sh/ruwz0l5hya2l4tp/9-zLVv96uw

Let me know if you cannot access this link.


On Thu, Jun 6, 2013 at 8:22 PM, Maruan Sahyoun <sahyoun@fileaffairs.de>wrote:

> Hi Ankur,
>
> due to limitations of the mailing list the attachment didn't make it -
> could you upload to a public site?
>
> BR
> Maruan
>
> Am 06.06.2013 um 15:57 schrieb Ankur Tripathi <ankur@intelligrape.com>:
>
> > Hi Maruan,
> >
> > I have successfully converted pdf to images using pdfbox. However there
> are couple of attached pdf which does not shows up filled in details.
> >
> > In my use case i need to merge different pdf's and than convert to
> series of images. Since these pdf are not converted to image properly i
> would like to avoid merge or fix image generation. Can you please point me
> to right direction.
> >
> > Converting this pdf with imagemagick works fine but i would like to
> avoid os level tool.
> >
> > Really appreciate your help
> >
> > Thanks
> > -Ankur Tripathi
> >
> >
> > On Thu, Jun 6, 2013 at 4:01 PM, Maruan Sahyoun <sahyoun@fileaffairs.de>
> wrote:
> >> Hi,
> >>
> >> the question if a PDF can be rendered successfully is not dependent on
> the fact that it's a PDF/A file. In general PDFBox does a good job in
> converting a PDF to image and it supports PDF/A as well as not PDF/A
> compliant files. There are some limitations though which may or may not
> apply to you.
> >>
> >> - there are limitations in PDFs render mode i.e. not all possible
> render modes are supported
> >> - there are limitations in PDFs shading i.e. not all shadings are
> supported
> >> - font rendering is dependent on awt i.e. PDFBox generates a font from
> embedded font which is passed to awt. This works in most but not all cases.
> >> - always test if e.g. Adobe Reader can display the file
> >> ….
> >>
> >> If while rendering PDFBox hit's an (yet) unsupported feature it will be
> reported. If you come across such a limitation please log an enhancement
> request in Jira (you should search first if someone else already had a
> similar issue and add to that) so we can look into removing the limitation.
> Of course if you are able to contribute that's even better.
> >>
> >> For PDF/A (PDF/A-1b) PDFBox passes several test suites. So if you think
> you have a valid PDF/A file and PDFBox complains we are very interested in
> finding out why this is the case. But it's very likely that your file might
> not be PDF/A-1b compliant.
> >>
> >> If you have specific questions/issues please feel free to ask.
> >>
> >> Bottom line - I think PDFBox will help you doing the conversion. Your
> milage will vary dependent on the files content.
> >>
> >>
> >> BR
> >> Maruan Sahyoun
> >>
> >> Am 06.06.2013 um 12:12 schrieb Ankur Tripathi <ankur@intelligrape.com>:
> >>
> >> > Hi,
> >> >
> >> > I have a use case in my project where i want to convert every page of
> pdf
> >> > to image. I have tried different opensource libraries like
> pdfrenderere,
> >> > open source version of jpedal etc but with each of them we have
> problems
> >> > with PDF/A pdf's. Before trying pdfbox i would like to know that if
> support
> >> > for embedded font and pdf/a is available in pdfbox api. If not is
> there any
> >> > way to identify if a particular pdf can not be converted to image,  I
> >> > already tried http://pdfbox.apache.org/cookbook/pdfavalidation.htmlto
> >> > validate uploaded pdf's but it fails for all of our pdfs but we are
> able to
> >> > convert them into image properly. There are only few formed filled pdf
> >> > which have not been converted to image properly.
> >> >
> >> > Thanks for help.
> >> >
> >> >
> >> > Thanks
> >> > -Ankur Tripathi
> >
>

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