[Qt-interest] Unnecessary Rounding from QRectF to GCRect?
Stephen Chu
stephen at ju-ju.com
Wed Mar 30 14:24:45 CEST 2011
On 3/30/2011 3:15 AM, Till Oliver Knoll wrote:
>
>
> Am 28.03.2011 um 17:21 schrieb Stephen Chu<stephen at ju-ju.com>:
>
>> It works pretty well. But one issue came up on the Mac version of the
>> app: The pixmap is drawn stretched or shrunk by 1 line at times.
>
> Might be unrelated, but I also observed a similar "off by one" behaviour when drawing pixmaps with alpha blending, and applying some transformations (rotation):
>
> http://bugreports.qt.nokia.com/browse/QTBUG-15663
I think it is the same thing, at least on the Mac side.
>
>> Should I report this as a bug?
>
> That would be a good idea :) You could also link to above issue (in case it really is the same cause).
So I reported the bug and it's been marked as fixed in 4.7.4. But I
don't see it in the public git. Wonder if it's going to be push there soon.
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