[cairo-bugs] [Bug 84396] cairo-tor-scan-converter is off by half of a subrow.

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Sep 30 05:34:30 PDT 2014


--- Comment #14 from Massimo <sixtysix at inwind.it> ---
With the last patch, comparing the output of the test a8-clear
with its 180°-rotated version, shows that all pixels computed
via sub_row are correct, while those with full_row are slighlty

I've obtained the opposite result not altering the way e->x.quo .rem
is computed, but adjusting the rest.

The problem is that to share the same walker between full_row and 
sub_row, it would be necessary to use a grid with twice as many y
samples as the number of subrows. Cell corners for full_row and
cell centers for sub_row.

You are receiving this mail because:
You are the QA Contact for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.cairographics.org/archives/cairo-bugs/attachments/20140930/d0ae09b9/attachment.html>

More information about the cairo-bugs mailing list