Re: resource libraries

Re: resource libraries

[Hans Hagen]

Wolfgang Werners-Lucchini wrote:
> Hallo!
>
> Is it possible somehow to extract all the images covered in an image 
> database without lose of quality?
>   
eh ... normally there should beno loss at all, pdftex just copies the resources 


Hans 


-----------------------------------------------------------------
                                          Hans Hagen | PRAGMA ADE
              Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
     tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                             | www.pragma-pod.nl
-----------------------------------------------------------------

resource libraries

[Wolfgang Werners-Lucchini]

Hallo!

Is it possible somehow to extract all the images covered in an image 
database without lose of quality?

Wolfgang Werners-Lucchini

Re: resource libraries

[Hans Hagen]

Wolfgang Werners-Lucchini wrote:
>>> Is it possible somehow to extract all the images covered in an
>>>       
>> image 
>>     
>>> database without lose of quality?
>>>   
>>>       
>> eh ... normally there should beno loss at all, pdftex just copies
>> the resources 
>>     
>
> Sorry, I see my question was'nt clear enough.
>
> Is there a way to restore all the images included in a figure library 
> as jpg's, png's or what else?
>
> I could then delete the original images.
>   
in principle one could extract them but one also has to make sure that no xforms are used then, otherwise after a few cycles one ends up with many nested xforms; think of something   

\startTEXpage 
\externalfigure[yourbase.pdf][page=1,object=no]
\stopTEXpage 

another option is to use pdfimages (which can extract bitmaps); it's probably no big deal to extend rlxtools with an option do extract the images and give them their original names; maybe on a rainy day ... 

Hans 


-----------------------------------------------------------------
                                          Hans Hagen | PRAGMA ADE
              Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
     tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                             | www.pragma-pod.nl
-----------------------------------------------------------------

Re: resource libraries

[Hans Hagen]

Wolfgang Schuster wrote:
>
> I use myself pdfimages to extract pictures from pdf-files, but it did
> not always work perfect on the files I use them.
>
> I dont know what is possible with commercial tools like Acrobat.
>
> You should test first if you can restore your images from the picture
> file before you delete them all.
>   
texexec --pdfselect --select=1:1 blabla.pdf


 

-----------------------------------------------------------------
                                          Hans Hagen | PRAGMA ADE
              Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
     tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                             | www.pragma-pod.nl
-----------------------------------------------------------------

Re: resource libraries

[Wolfgang Werners-Lucchini]

> > Is it possible somehow to extract all the images covered in an
> image 
> > database without lose of quality?
> >   
> eh ... normally there should beno loss at all, pdftex just copies
> the resources 

Sorry, I see my question was'nt clear enough.

Is there a way to restore all the images included in a figure library 
as jpg's, png's or what else?

I could then delete the original images.

Wolfgang

Re: resource libraries

[Wolfgang Schuster]

On Tue, 24 Oct 2006 21:31:14 +0200
"Wolfgang Werners-Lucchini" <wwl@musensturm.de> wrote:

> > > Is it possible somehow to extract all the images covered in an
> > image 
> > > database without lose of quality?
> > >   
> > eh ... normally there should beno loss at all, pdftex just copies
> > the resources 
> 
> Sorry, I see my question was'nt clear enough.
> 
> Is there a way to restore all the images included in a figure library 
> as jpg's, png's or what else?
> 
> I could then delete the original images.
> 
> Wolfgang

Hi Wolfgang,

I use myself pdfimages to extract pictures from pdf-files, but it did
not always work perfect on the files I use them.

I dont know what is possible with commercial tools like Acrobat.

You should test first if you can restore your images from the picture
file before you delete them all.

Wolfgang