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

[Tac Tacelosky]

Wahoo!  Thanks, Gilles.  This will really open up using the database.

Tac

On Mon, Apr 15, 2019 at 8:19 AM Gilles Caulier <caulier.gilles at gmail.com>
wrote:

> 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
>>>
>>
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