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Bug#448555: fixed in qt4-x11 4.5.0-2



Armin Berres wrote:
On Tue, 17 Mar 09 10:26, Tomáš Janoušek wrote:
Hello,

On Tue, Mar 17, 2009 at 12:21:11AM +0000, Fathi Boudra wrote:
     - 0278-X11-Use-legacy-LCD-filtering-if-specified-in-font-c.diff
       If Freetype is built without subpixel rendering, we should use
       the Qt 3 intrapixel filter instead of the bitmap convolution
       when the Legacy LCD filter is chosen. (Closes: #448555)
It uses the old hinting mechanism and looks somewhat better, but subpixel
rendering is off. This is still worse than qt3.

http://store.lisk.in/tmp/2009-03-17-102510_1280x800_scrot.png
(left - qt3, right - qt4)

It is even a bit worse here. The general appearence of the font is nice,
but the fringing is not. See
http://alioth.debian.org/~trigger-guest/color-fringing-with-qt4.5-2.png
and
http://alioth.debian.org/~trigger-guest/color-fringing2-with-qt4.5-2.png

Compared to what we have now I like blurred fonts we had with -1 much
better.

Greetings,
Armin

PS: No need to CC me. Just in case anyone wonders...

Are you sure that's related to this patch? Qt also added some patches in 4.5 to more closely respect the Fontconfig hinting settings. Could you try switching between Slight, Medium, and Full hinting in your Appearance settings? Previous to 4.5 Qt would always do full hinting if subpixel antialiasing was enabled.

Regards,
Samuel



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