Graphics question

Alex Tweedly alex at
Sun Jan 16 13:01:27 EST 2005

Paul Salyers wrote:

> This is a non Rev question, but:
> I need to insert text information in a jpg graphics then when the 
> computer loads the pics, I want the information extracted and used in 
> the program. Any one know anything about this?

You can do this with "exif" data. I wrote a library to extract this data 
in Rev (see in revonline under alextweedly), but I'm afraid I haven't 
yet done the "writing" side of the operation.  see (not as 
good as you might hop), or just Google "exif data" for lots of sites - I 
don't however know of any utility that is strong on writing Exif data.

-- Alex.

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