[digiKam-users] Thumbnails are in Progessive Graphics File (PGF)

[Gilles Caulier]

Hi,

ImageMAgick do not have a PGF support yet.

The libpgf project provide a CLI converter based on freeImage library :

https://sourceforge.net/projects/libpgf/files/libpgf/7.19.3-latest/

Best

Gilles Caulier

Le mer. 10 avr. 2019 à 20:42, Tac Tacelosky <tacman at gmail.com> a écrit :

> After digging around a bit, I think I have the answer to the question
> about how the thumbnails are stored, which is PGF:
>
> https://en.wikipedia.org/wiki/Progressive_Graphics_File
>
> Unfortunately, I cannot for the life of me find something in PHP that will
> convert from PGF to JPEG or PNG.
>
> Not surprisingly, it takes up a lot of space, but is wasted bandwidth for
> using a remote database.
>
> Any suggestions on how to convert it?
>
> Tac
>
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