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Might this lead to support of the CanoScan 4200F ?<br>Thanks!<br><div style="font-size: 12px; font-family: arial;"> ,-._,-.<br> \/)"(\/<br> (:o:)<br> (!)</div><br><br>Sep 7, 2010 03:52:30 AM, <a href="mailto:aikishugyo@gmail.com" class="parsedEmail" target="_blank">aikishugyo@gmail.com</a> wrote:<br><blockquote style="border-left: 3px solid rgb(102, 153, 204);">>Dear all,<br>><br>>I am working on the pixma backend for Canon devices (variation:<br>>pixma_mp150.c), and have a question about registration of pixels in<br>>the y dimension.<br>><br>>Each backend I believe has variations on a <filename>_fill_buffer<br>>function called between <file>_scan and <>_finish_scan.<br>><br>>The function reads sections of data from the scanner, and processes it<br>>line by line. Thus, pixels can be reorganized in the x-dimension.<br>><br>>I am not sure if the amount of data read at once is controllable.<br>><br>>I now have a problem where the pixels also need to be rearranged<br>>vertically. In particular, the first half of a line corresponds to the<br>>second half of a line much further along in the data.<br>><br>>Is there any backend that has support for such processing, that I can<br>>look at for help? Or have I misunderstood what can be done with the<br>>current mp150_fill_buffer function in pixma_mp150.c?<br>><br>>Regards,<br>>Gernot Hassenpflug<br>>-- <br>>ISP Asahi-Net: <a href="http://asahi-net.jp/en/" class="parsedLink" target="_blank">http://asahi-net.jp/en/</a><br>>No.1 in Japan by customer satisfaction<br>>(Nikkei News, 7 July 2010)<br>><br>>--<br>>sane-devel mailing list: <a href="mailto:sane-devel@lists.alioth.debian.org" target="_blank" class="parsedEmail parsedEmail">sane-devel@lists.alioth.debian.org</a><br>><a href="http://lists.alioth.debian.org/mailman/listinfo/sane-devel" class="parsedLink" target="_blank"><br>>target="_blank"></a><a href="http://lists.alioth.debian.org/mailman/listinfo/sane-devel" class="parsedLink" target="_blank">http://lists.alioth.debian.org/mailman/listinfo/sane-devel</a><br>>Unsubscribe: Send mail with subject "unsubscribe your_password"<br>> to <a href="mailto:sane-devel-request@lists.alioth.debian.org" target="_blank" class="parsedEmail parsedEmail">sane-devel-request@lists.alioth.debian.org</a><br>></file></filename></blockquote></body></html>