I'm sorry about my previous question to you Andrea, because I missed
the first part of your post.
Now that you kindly have explained it twice to me I understand that it
is needed to access the data using a 32 bits unsigned int to get it
with the correct endianess.
Thanks!

> For a code example, see the difference between the code I wrote and yours.
> In your code you are accessing each channel independently.
> Instead, in the code I wrote, each channel is provided as part of a
> 32-bit value, independent of the byte order.
>
> Basically, whenever you're doing pointer arithmetic to access a
> channel in a pixel, you're probably doing it wrong (well, it might be
> ok on your architecture, but the code is going to be
> endian-dependent).
> Use pointer arithmetic to get the pixel value and shift/masking to
> access channels.


-- 
Carlos
http://synfig.org

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