[kwlug-disc] Converting .pptx files to multiple .png

[B. S.]

On 06/20/2016 04:20 PM, Alex K wrote:
> LibreOffice can batch convert:
>
> --convert-to output_file_extension[:output_filter_name] [--outdir
> output_dir] files
>        Batch convert files.
>        If --outdir is not specified then current working dir is used as
> output_dir.
>        Eg. --convert-to pdf *.doc
>            --convert-to pdf:writer_pdf_Export --outdir /home/user *.doc

Cool.

Reality check me here, please ...

 From what I've seen, impress doesn't well suck up power point. The guts 
seem all there, but the layout is often schmucked. On a go forward 
basis, I've sometimes fixed it all to have a non-proprietary / will 
always work set of slides that won't have the 'player' pulled out from 
under its feet. Or redone the thing in native impress.

However, there's lots of power point out there. There is a standalone 
win power point viewer, but it feels like there oughta be a (web) player 
out there, much like any audio/video player/plugin, to forever work in 
something like chromium, at least. Am I dreaming?

Power point content is essentially a database (just as xml is). Is 
impress still the best reasonable way to initially create such beasties?

Hadn't thought of exporting to png as Bob is thinking, nor much 
considered export to pdf beyond whole slides. i.e. no transitions. Does 
inkscape, krita, svg editors, or image viewers, bring anything to this 
party? (A 'player' would make Bob's png's unneeded?) Export to flash or 
html5?



> On Mon, Jun 20, 2016 at 3:12 PM, Bob Jonkman <bjonkman at sobac.com> wrote:
>
>> -----BEGIN PGP SIGNED MESSAGE-----
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>> Hi: I've got a bunch of .pptx (Microsoft PowerPoint) files that I'd
>> like to convert to individual .png files for each slide, preferably
>> where each step in a transition becomes its own .png file.
>>
>> I can export one slide at a time from LibreOffice, but I'd much rather
>> do it in bulk from the command line.
>>
>> I can convert the whole .pptx file to .pdf and then extract each slide
>> with 'pdftocairo -png [filename.pdf]' but that seems clunky, and
>> doesn't preserve transitions as individual .png files.
>>
>> Is there something to do pptx2png conversion from the command line?
>>
>> - --Bob.
>>
>>
>> - --
>> Bob Jonkman <bjonkman at sobac.com>          Phone: +1-519-635-9413
>> SOBAC Microcomputer Services             http://sobac.com/sobac/
>> Software   ---   Office & Business Automation   ---   Consulting
>> GnuPG Fngrprnt:04F7 742B 8F54 C40A E115 26C2 B912 89B0 D2CC E5EA
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>> iEYEARECAAYFAldoQA8ACgkQuRKJsNLM5epUtQCeNbnyW75MWA9ZtHK7sLpsaBNp
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>>
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