Hi all, After a while (and Fred's well-timed prod), after a time-wasting summer camp, after getting over nasty headaches and cold, I've decided to (for now) give up on looking at avoiding having an OpalGState class. It seems to me that it'll be easier to query Opal for its state when appropriate, and have OpalGState do the right thing when -copyWIthZone: is called. (Again, this is the original approach and multiple times suggested by Fred, who is not to be doubted :-))
I still believe that long-term Opal and the Opal-based backend should be able to cooperate enough to avoid implementing GState in the backend as a class. But, for now, since Fred kindly pointed out to me (a long time ago) that GState means quite a different thing in AppKit than it does in Core Graphics (for example, I was unaware it can be copied, that the GState stacks can be switched independently of the context, etc) -- it makes little sense to use the little remaining time for playing with this when any work required to implement this quickly has to be done anyway in trunk, and can later be somewhat reused. So to do something that'll be useful, I've first managed to figure out what's the minimum that needs to be implemented for the layout system to even pick up on information returned by -advancementForGlyph:, and size menu items accordingly in the Opal backend. Happy with that, I moved on to doing the next necessary thing to get fonts do the right thing in Opal backend: figuring out the fonts on the system, et al. In order to make this code shared with Cairo, I moved it to separate classes in "fontconfig/" directory. These are now base classes for Cairo backend's CairoFaceInfo, CairoFontInfo and CairoFontEnumerator. Since this means I messed with a big, core part of GNUstep that's in active use, please test my changes in revision 37066 and yell at me accordingly. My testing involved starting SystemPreferences and clicking around. Then I started Ink and played with the fonts panel. I did not see issues, which is why the code is now in trunk of gnustep-back. -- Ivan Vučica [email protected] - http://ivan.vucica.net/
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