bisecting the 1-pixel bug

Alexis Ménard menard at kde.org
Sat Feb 14 17:33:48 CET 2009


Ok thanks for taking time...we are still on it...Monday i will take a look
on it and provide that to our graphics team.

2009/2/14 Marco Martin <notmart at gmail.com>

> Hi all,
> before i forget the details, i've done some tests about the 1 pixel bug in
> framesvg and what i found is this:
> it happens only when the svgrenderer paints on a qpixmap, if asked to paint
> on
> all of it, sometimes the last pixel gets not painted, the minimum amount of
> code to reliably cause this is the file attached, note the 1 pixel red line
> that appears sometimes.
>
> i've done a git bisect on the qt/all snapshot branch and probably doesn't
> tell
> that much (it does just reflet snapshots and not actual commits right?)
> but what i've found, if i didn't did terrible mistakes is that:
>
> (if it's not a really trivial thing to fix i'm going to post this on the qt
> task tracker)
>
> 355c90dad265a6c3b20f7bffeeabdc420ace78ee is first bad commit
> commit 355c90dad265a6c3b20f7bffeeabdc420ace78ee
> Author: Snapshots <snapshots at trolltech.com>
> Date:   Wed Dec 3 02:00:16 2008 +0100
>
>    Update to Qt 4.5 snapshot 20081203
>
> :100644 100644 f053d8e7342aa99764f9f4674296d9ca9a4db372
> 8a9943da9b00c055f7d8dd5ebaffe0698c9502b4 M .tag
> :040000 040000 24d96e05510c648058db5df5b5ef2bbad15f82c9
> 7961db773e9b5b60ec300edbddcc87998d1c068b M doc
> :040000 040000 60df8b9737bcb54961c379640241c725963dee04
> 7d3f9d1080034f16a11fc1a7caf0d581a59ed4a9 M qmake
> :040000 040000 f89dd3fb8c536d65c8a0f091807c0a61030b4f59
> ded3aa6cdf7bec61efad821e255565a07c39452b M src
> :040000 040000 6edf3b7029b91891f30295e21e49f9a6c1380159
> 20fa707790f7a3d935642e39ac7561832d9692c7 M tools
>
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