[users] animated PNG format used in OpenOffice?

2010-12-12 Thread Rupert Brooks
Hi,

I took apart an ooimpress file the other day that contained an
animation.  The image content was stored in
Pictures/somelongnumber.png.  This appears to be a regular PNG,
except its much too big.  The animation seems to be stored in it, as
it is properly kept and handled in the impress file.  However, the
manifest for the document just describes the content as
media-type=image/png   In principle though, png does not support
multiframe to my knowledge.

So I wondered, what format is being used by openoffice to store
animated images?  Are there tools outside of openoffice that can read
it?  Could someone point me to documentation?

Thanks
Rupert Brooks
--
Rupert Brooks
rupert.bro...@gmail.com

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Re: [users] animated PNG format used in OpenOffice?

2010-12-12 Thread Daniel Lewis

Rupert Brooks wrote:

Hi,

I took apart an ooimpress file the other day that contained an
animation.  The image content was stored in
Pictures/somelongnumber.png.  This appears to be a regular PNG,
except its much too big.  The animation seems to be stored in it, as
it is properly kept and handled in the impress file.  However, the
manifest for the document just describes the content as
media-type=image/png   In principle though, png does not support
multiframe to my knowledge.

So I wondered, what format is being used by openoffice to store
animated images?  Are there tools outside of openoffice that can read
it?  Could someone point me to documentation?

Thanks
Rupert Brooks
--
Rupert Brooks
rupert.bro...@gmail.com

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 The animated images are APNG files (animated PNG). It is an 
extension of the PNG files we have known. Search the Web using this 
phrase: animated png (without the parentheses).  This extension has 
been around since 2004.


Dan

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