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Hi, > max_len is set by the frontend. The buffer is allocated by the frontend > and the size of the buffer must be at least max_len bytes. >=20 > max_len and the size of the buffer are arbitary. The backend must be > able to handle each size from max_len=3D1 to max_len > size of the image. Okay, I need to be clear here. max_len is some size large enough to scan something in. How do I know how big to make this to (say) scan an A4 picture at 8bpp resolution? To me, it looks like I multiply bytes_per_line * pixels_per_line * lines * depth to accomodate everything. I'm currently toying with the code so I know what has to be done when it comes to implementing the code for real. TTFN Paul --=20 Homer: Donut?=20 Lisa: No, thanks. Do you have any fruit?=20 Homer: This has purple stuff inside. Purple is a fruit. --=-X2JfoKz2QG0ksGE+DK3H Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (GNU/Linux) iD8DBQBBTeauusSVe5EZv3wRAvoMAKCHwi6wgVbyFH07udD0WhrHfurZhQCfSMRK aSorSFwaCDufYDyD6HJzFfw= =S9gG -----END PGP SIGNATURE----- --=-X2JfoKz2QG0ksGE+DK3H--
