[Python-Dev] PEP: Adding data-type objects to Python

[Diez B. Roggisch]

> ...in the cases I have seen, which includes BMP, TGA, uncompressed TIFF,
> a handful of platform-specific bitmap formats, etc.,  you _always_ get
> them in RGBA order.  If the alpha channel is to be left out, then you
> get them as RGB.

Mac OS X unfortunately uses ARGB. Writing some alti-vec code remedied that for 
passing it around to the OpenCV library.

Just my $.02 

Diez