On Wed, Sep 8, 2010 at 5:05 AM, Reinhold Kainhofer <reinhold at kainhofer.com> wrote: > Am Dienstag, 7. September 2010, um 21:37:26 schrieb Nicolas Martin: >> Le mardi 07 septembre 2010 ? 19:47 +0900, Gernot Hassenpflug a ?crit : >> > I now have a problem where the pixels also need to be rearranged >> > vertically. In particular, the first half of a line corresponds to the >> > second half of a line much further along in the data. >> > >> > Is there any backend that has support for such processing, that I can >> > look at for help? Or have I misunderstood what can be done with the >> > current mp150_fill_buffer function in pixma_mp150.c? >> >> Yes, as I answered you, the pixma_mp150 implements a vertical shift >> reassembling that is needed by the CCD devices, as they produce scans >> with vertically shifted color planes. Maybe you can just use this, or >> use some modified version. > > The epson2 backend also has vertical color shifts.
OK, thanks. I think what I was missing is that all the data is in fact read into the buffer and is available for access and manipulation. Regards, Gernot -- ISP Asahi-Net: http://asahi-net.jp/en/ No.1 in Japan by customer satisfaction (Nikkei News, 7 July 2010)
