Ok, I committed the latest version of Albert's patch, with some tweaking (put it into KFontUtils namespace, and changed @since from 4.3 to 4.7). I also updated KAnagram to use this instead of libkdeeduui. I'll do the same to blinken tomorrow and then libkdeeduui can go away \o/.
BR, Jeremy On Tue, Jan 4, 2011 at 9:23 AM, Jeremy Whiting <jpwhit...@kde.org> wrote: > > > On Mon, Jan 3, 2011 at 1:03 PM, Christoph Feck <christ...@maxiom.de>wrote: > >> I was asked to restate my position on this thread. >> >> 1. The namespace should be named KFontUtils as was the original intention. >> This is in line with KColorUtils and avoids the confusion with >> QFontMetrics. I >> suggest to move it to kdeui/fonts/kfontutils.{cpp|h}. >> > > I agree, ok will do. > > >> >> 2. I share Parkers concern that passing a QPainter to the function is >> wrong. >> The reason given was that Qt has a bug where creating a QFont or >> QFontMetrics object for a specific paint device does not yield the same >> metrics as when using a QPainter for that paint device (bug number?). Qt >> bugs >> should not be reflected in the design decisions of an API. I don't have >> the >> patch at hand right now to check which name we used, but I suggest the >> signature to be KFontUtils::maxPointSizeF(const QFont &font, const QSizeF >> &size, const QString &text). >> > > As Albert stated in his last message on the previous thread: > > "It's not a Qt bug, as far as i understand QFontMetrics calculates how much > the > font is going to use based on font information, given the same font you > should > get the same value in windows, mac, linux. On the other hand, when you > render > on a QImage you get freetype (or harfbuzz not sure) on linux and probably a > > different render for Mac and for Windows, and even the used geometry is > *very* > close, it's usually off by 1 or 2 pixels with what QFontMetrics returns > because on how hinting and other weird font things work. > Please if someone with more Qt/font rendering knowledge thinks i'm wrong, > just > tell, but this is the behaviour i've been seeing since Qt3 times and afair > it > was always justified this way." > > So change the namespace and put into kdelibs/kdeui/fonts/ ? > > Best Regards, > Jeremy > >> >> Christoph Feck (kdepepo) >> >> On Saturday 01 January 2011 20:31:55 Albert Astals Cid wrote: >> > A Dimarts, 28 de desembre de 2010, Jeremy Whiting va escriure: >> > > Albert Astals Cid <aacid <at> kde.org> writes: >> > > > > > Anyway it's obvious i'm too late on this, let's just wait for >> KDE >> > > > > > 4.4 >> > > > > >> > > > > Maybe. I do not think I am in the position to stop you :) I have >> to >> > > > > agree with Parker that the current suggested patch does not feel >> "Qt >> > > > > way", though. >> > > > >> > > > Well, i've done all you both have suggested, so don't know what more >> > > > you want. >> > > > >> > > > Anyway, let's stop this, makes no sense keep discussing for >> something >> > > > that maybe we'll never ship. >> > > > >> > > > Albert >> > > > >> > > > > > Albert >> > > >> > > Christoph, Albert, Others, >> > > >> > > I'd like to see this happen in the 4.7 timeframe (sooner than later) >> > > especially because it will help kdeedu/libkdeedu/kdeeduui disappear, >> > > which removes a dependency of a couple of kdeedu applications prior to >> > > the migration to git. >> > > >> > > Thoughts about the last patches sent by Albert? otherwise I suggest we >> > > move this class into kdelibs/kdeui where all kde applications can >> > > benefit from it. >> > >> > I'm all for it, not sure if i fixed all of Christoph and Parker concerns >> > though. >> > >> > Albert >> > >> > > Best Regards, >> > > Jeremy >> > >