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

[Gilles Caulier]

Hi,

I just created a entry in ImageMagick bugzilla to support PGF :

https://github.com/ImageMagick/ImageMagick/issues/1548

Best

Gilles Caulier


Le mer. 10 avr. 2019 à 20:57, Gilles Caulier <caulier.gilles at gmail.com> a
écrit :

> 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
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.kde.org/pipermail/digikam-users/attachments/20190415/781470ed/attachment.html>