I actually narrowed it down and have a fix coming soon. This started when we switched to the "modern" cairo surface I wrote. The bug is in the way CairoFontInfo.m doesn't deal with the hinting settings of cairo_font_info_t.
Basically, it creates a default font options object and uses that to make measurements of the glyphs. But, when it comes time to draw text with that font on a xlib surface, which defaults to having hinting enabled, cairo draws with hinting - so we have metrics calculated with no hinting, but drawing with hinting, and get the resulting mess. Eric On 2012-01-23, at 1:55 PM, Fred Kiefer wrote: > I would start with checking the screen resolution code as this seems to only > affect monitors with strange geometry. > > Sebastian, could you try to re-enable the old code in the method > resolutionForScreen: (XGServerWindow.m) and see whether this make any > difference? Could you also report the result of the command > xdpyinfo | grep -B2 resolution > on a monitor where this problem exists? > > Fred > > On 23.01.2012 20:33, Eric Wasylishen wrote: >> I just tested the last release (2011-04-14) of base/gui/back, and it >> looks like the text overlapping does not occur there. My test case is >> pasting a paragraph of text into Ink and setting the font to "DejaVu >> Sans". I'll try bisecting to find the revision that introduced the >> bug, and maybe it will be a quick fix. >> >> Eric >> >> On 2012-01-23, at 3:10 AM, Sebastian Reitenbach wrote: >> >>> Fred Kiefer<fredkie...@gmx.de> wrote: >>>> In order to get a full GNUstep release out before FOSDEM, that is >>>> at least base/gui/back, maybe also make, Richard, Eric and I have >>>> decided to put a code freeze for these libraries in place. Only >>>> strict bug fixes should go into the code over the next week (or >>>> maybe a bit longer) and everybody should try to find time to test >>>> the current code on as many different machines as possible. >>>> >>>> There hasn't been a gui release in almost a year and now seems as >>>> good a time as ever. Feel free to report any bugs you find on the >>>> mailing list or even better in the bug tracker on Savannah. >>> >>> I hope this strange font drawing problem I've seen, and also >>> Riccardo and Philippe have seen will also get fixed? > > > _______________________________________________ > Gnustep-dev mailing list > Gnustep-dev@gnu.org > https://lists.gnu.org/mailman/listinfo/gnustep-dev _______________________________________________ Gnustep-dev mailing list Gnustep-dev@gnu.org https://lists.gnu.org/mailman/listinfo/gnustep-dev
