[Digikam-devel] Fwd: PNG and JPEG-2000 writting mode

[Gilles Caulier]

2008/7/29 Gilles Caulier <caulier.gilles at gmail.com>:
> 2008/7/27 Gerhard Kulzer <gerhardkgmx at gmail.com>:
>> On Sunday 27 July 2008 12:19:08 Gilles Caulier wrote:
>>
>>> Hi all,
>>
>>>
>>
>>> I'm back from hollidays. Please see below my message sent to Exiv2
>>
>>> mailing list, and let's me hear your feedback.
>>
>>>
>>
>>> Note : look my blog entry for details :
>>
>>> http://www.digikam.org/drupal/node/361
>>
>>>
>>
>>> Best
>>
>>>
>>
>>> Gilles Caulier
>>
>> Oh Gilles, you are fantastic again, I've been waiting so long for png
>> writing mode! Sometimes a little restriction in bandwidth makes one
>> concentrate on more essential stuff.
>>
>> Thanks very very much
>>
>> Gerhard
>>
>
> And now, JPEG2000 wrtting mode support is fully implemented with this commit :
>
> http://dev.robotbattle.com/cmtinfo_svn.php?r=10&l=50&v=1548
>
> Please let's me hear your feedback. thanks in advance.
>
> Gilles Caulier
>
> Nota: to resume, using Exiv2 0.18 with digiKam, you will be able to
> read/writte these metadata on fly :
>
> JPEG:        Comment:R/W     Exif : R/W      Iptc: R/W   Xmp:R/W
> PNG:          Comment:R/W     Exif : R/W      Iptc: R/W   Xmp:R/W
> TIFF/DNG:  Comment:None    Exif : R/W      Iptc: R/W   Xmp:R/W
> JPEG2000: Comment:None    Exif : R/W      Iptc: R/W   Xmp:R/W
>
> I remember you that PNG, TIFF, JPEG2000 support color management, 16
> bits color depth and loss less image data compression. You can use
> your prefered file format to store your converted RAW image data
> _without_ lack your camera metadata !
>
> Nota2: the next important stage for me to deal with Exiv2 code is to be able to:
>
> - writte metadata to TIFF based RAW file format (as NEF or CR2 for ex.)
> - writte metadata

I complete may mail here (:=))):

- writte metadata to PSD file (we need a dedicated PSD image loader in
digiKam core to support 16 bits color depth.
- support new Sony makernote based on Minolta parser.

Best

Gilles Caulier