[cairo-bugs] [Bug 10508] Transformed image source surfaces sometimes misrender to xlib surface target

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=10508


freedesktop at behdad.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED




------- Comment #18 from freedesktop at behdad.org  2007-04-18 09:55 PST -------
Oh, I fixed this right before 1.4.4 btw.

commit 84c10a79ffd233a953434bd787dcfe57787552f8
Author: Behdad Esfahbod <behdad at behdad.org>
Date:   Fri Apr 13 16:33:07 2007 -0400

    [cairo-pattern] Slightly hackish fix for bug #10508

    The so-attributed-to-X-server bug was that cairo maps the drawing
    region to the pattern space, rounds the box, and uploads only that
    part of the source surface to the X server.  Well, this only works for
    NEAREST filter as any more sophisticated filter needs to sneak a peek
    at the neighboring pixels around the edges too.

    The right fix involves taking into account the filter used, and the
    pattern matrix, but for most cases, a single pixel should be enough.
    Not sure about scaling down...

    Anyway, this is just a workaround to get 1.4.4 out of the door.  I'll
    commit a proper fix soon.


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