Re: Creating a new image loader

Aurélien Gâteau wrote:
> Ruben Lopez wrote:
>
>   
>>> You should have a look at the mimetypeutils.cpp file: in the
>>> rasterImageMimeTypes(). Does the list returned by KImageIO::mimeTypes()
>>> contains your format? If not, try to hardcode it like it's done for the
>>> xcf and pjpeg ones. You should also check that you have a proper mimetype
>>> file installed in $KDEDIR/share/mimelnk/image/.
>>>   
>>>       
>> I have created the $KDEDIR/share/mimelnk/image/x-pic.desktop and now
>> even Konqueror recognize this image as a PIC Image file. But gwenview
>> still doesn't work.
>> I have tested the KImageIO::mimeTypes in a custom program and the
>> image/x-pic mime type gets listed.
>> Any other hint?
>>     
>
> Just to be sure, check that image/x-pic is there in Gwenview (just modify
> the code to print it to stdout)
>
> You can also enable logging in the Document*Impl classes: to do so, open
> the .cpp file for which you want logs and uncomment the line "//#define
> ENABLE_LOG". I suggest you start with DocumentLoadingImpl and ImageLoader
> (this one is a bit different, you should set ENABLE_LOG to 1 or 2,
> depending on the verbosity you want).
>   

I've investigated a bit more before modifying gwenview sources. 
Konqueror preview also doesn't work for the PIC format, although it 
recognizes it as "Softimage PIC", thanks to the MIME description file.
I have added a new kfile_pic module to make konqueror know the meta-data 
of PIC files. I used the RGB plugin as a template, to be sure that every 
important meta-data item is also in my plugin.
Now I can ses properties like width / height, but the preview tab still 
doesn't work.
I imagine that gwenview uses the same component as konqueror to show 
preview of images, right? Can this be the cause?
I have created and populated my system with these elements so far:
/usr/lib/kde3/kimg_pic.so
/usr/lib/kde3/kimg_pic.la
/usr/lib/kde3/kfile_pic.so
/usr/lib/kde3/kfile_pic.la
/usr/share/mimelnk/image/x-pic.desktop
/usr/share/services/kfile_pic.desktop
/usr/share/services/pic.kimgio
/usr/share/mime/image/x-pic.xml

Is there something else that I should add to enable complete support for 
this PIC format?
Does anyone here know of a good tutorial/HOWTO for adding new image 
formats to KDE?

Thanks in advance

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