> Jesper L. Nielsen wrote: > >> I do have a various number of fonts for different languages and other >> things, so the first performance hit is when fontconfig builds it's >> cache on startup, if there is a way to disable this, I haven't >> found it. > > Sure, building caches is slow. The first question is why is it > building the > cache on each startup. > Because it is on an embedded system and no place to save the caching database after each reboot. However I can work past that using some NFS trickery. >> I have been running sysprof and the majority of time spend while >> rendering fonts seems to be in fontconfig. >> >> I don't know how to dump Sysprof output to text, so I've attached a >> screendump. > > The screenshot shows nothing really. The fontconfig functions you > are showing > in the shot are taking only 3% of the total time. > True, I'll get some better numbers on the embedded system soon. But the screenshot only shows a simple test program I produced to profile the pango calls. So the times should be regarded as relativ, and kernel time used disregarded. >> So what I mean is that there a references to FcPattern, PangoFcFont >> and >> other things defined in the Fontconfig specific source files. So >> taking >> out just the Fontconfig part for the pangoft2.c would require some >> work. > > pantoft2 subclasses pangofc. So, you are pretty much talking about > writing a > new pango backend. And then, the pango shapers also depend on > pangofc. So > you have to modify those too. Really, your fighting the wrong > battle. Just > focus on getting fontconfig working for you. > I was mustering myself to write a whole new backend, but if the shaper also uses FontConfig, I think I'll better give FontConfig another shot. Jesper _______________________________________________ Fontconfig mailing list Fontconfig@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/fontconfig
