[gs-bugs] [Bug 692303] Artifacts in simple artwork when using a TIFF device

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Tue Jun 28 19:14:13 UTC 2011


http://bugs.ghostscript.com/show_bug.cgi?id=692303

Robin Watts <robin.watts at artifex.com> changed:

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

--- Comment #7 from Robin Watts <robin.watts at artifex.com> 2011-06-28 19:14:12 UTC ---
Fixed in:

commit a1ee78a6de94b8b4292b9ce3b71b54ed3ae7502b
Author: Robin Watts <Robin.Watts at artifex.com>
Date:   Tue Jun 28 20:09:11 2011 +0100

    Fix for Bug 692303, antialiasing problems.

    In trying to fix Bug 692081, I'd inadvertantly broken antialiased
    operation on shapes with multiple 'alpha=0'/'alpha-non-zero'
    transitions.

    My understanding of Peters line accumulator macros was incomplete.
    This new version seems to fix both cases.

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