Le 13 sept. 06 à 12:35, Nicolas Roard a écrit :
On 9/13/06, Yen-Ju Chen <[EMAIL PROTECTED]> wrote:
Since Azalea need to read XPM image format,
it may be better to wrap a general image library
so that it can be used in other applications, like an image viewer.
It seems that ImageMagick and GraphicsMagick are the only
available choices.
Any suggestion which one to use ?
Does GNOME or KDE use any of them ?
Frankly I think we should simply work on adding formats in GNUstep:
1) it's not really difficult
2) it would benefit _everybody_ instead of just one program :-)
I agree with Nicolas on this point. It's better to extend NSImage
rather than creating yet another API with a heavy dependency like
ImageMagick which is itself in many cases just a wrapper around
libtiff, libjpeg, libpng etc.
Moreover I don't think it's possible to nicely hide ImageMagick
behind NSImage, but I could be wrong.
A a later point we could extract cropping, rotation etc. code
implemented for this image viewer and package them in a standalone
framework.
We don't need to support many many formats, having read/write support
for TIFF, JPEG, PNG, GIF, BMP, PDF, XPM is enough I think…
We currently miss only :
- PNG write support (but I wrote some code for IconKit)
- GIF write
- BMP read/write
- PDF read/write (wrapping PopplerKit by implementing NSPDFImageRep
is surely an easy task… perhaps it's even already done by PopplerKit)
- XPM read/write
In future adding support for some RAW formats would be nice, this
could be achieve with a library like libopenraw. But it's not an
urgent feature at all.
Cheers,
Quentin.
--
Quentin Mathé
[EMAIL PROTECTED]
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