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google-code-export / thebigpicture

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Already present keywords are not detected #37

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago 
In some JPEG images, adding IPTC comments has the result that the comments
already present are not visible anymore. The reason is that the APP13
record, where the IPTC comments are stored, is not detected, so a new one
is added. Subsequent software then only detects this last record.
The reason for this anomaly is that the APP13 record occurs after the SOF0
record, where TBP stops scanning the file and assumes the image data starts.
A possible solution is to scan all records up to the SOS record, but then
it has to be certain that no records occur after that.

Original issue reported on code.google.com by p.edel...@gmail.com on 13 Mar 2008 at 7:38

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