[sane-devel] SANE2 standard revisited: image data format
Tue, 10 Dec 2002 14:10:47 -0500
>> The difference isn't so much the data format as the code flow: all the
>> planar data is returned after a single sane_start(), and the multi-frame
>> flags for determining which 'frame' is currently being scanned can be
>> removed from the standard.
>But you can not expect that the order of the colors is red-green-blue,
>so you again need a way to tell the frontend which color/channel is
"How do I know the order of the channels when the samples are interleaved?"
The planar format uses the same order. Described by the same mechanism.
>> Each sane_start() cycle would return a single frame, and each frame would
>> be a complete image.
>I do not see that this improves anything. You rename several things
>but you do not change a lot. And to remove sane_start in between
>does not make anything easier.
It cleans up the code flow and the semantics of the scanning operations
*a lot*. I'll assume you haven't read the rest of your email yet today,
but if you're still not convinced later on, I can add more comments.