1/12/09 @ 09:16 (-0500), thus spake Michael Droettboom: > Subpixel rendering is almost never what you want when producing a > PNG file, since it is likely to be shared on a different machine > requiring different subpixel settings. But it looks like your > mozilla example is not using subpixel rendering either, though it > appears to have very strong hinting.
Yes, it's not a subpixel rendering problem. I can tell that subpixel rendering is not enabled because I'm not seeing "rainbows", which I always see when it's enabled. It's definitely a hinting issue. > matplotlib's Agg backends borrows a technique used by Adobe Acrobat > which is to use strong hinting in the vertical direction, but more > subtle hinting in the horizontal. When we did a comprehensive > comparison of various hinting options about two years ago it was the > strong winner. See this: > > http://www.mail-archive.com/matplotlib-de...@lists.sourceforge.net/msg01480.html > > (Unfortunately, the linked images are no longer available). > > If these settings are not to your liking, I would recommend the > Cairo backend (which should pull in the same settings as the rest of > your Gnome desktop, I believe), or one of the vector backends and > then tweaking the rendering. Confirmed. The GTK backend -haven't tried Cairo yet- honours the system settings for font rendering. It looks much better now, in my opinion. > Alternatively, we could provide this "stretched hinting" as a > configuration option. If you think that's superior to these other > options, please file a feature request so it doesn't get lost (and > it should be a fairly straightforward patch for someone new to the > code base.) Ok. I will open a feature request, if you think it's okay. I think I'll be sticking with the GTK backend for now, anyway. Thanks. Ernest ------------------------------------------------------------------------------ Join us December 9, 2009 for the Red Hat Virtual Experience, a free event focused on virtualization and cloud computing. Attend in-depth sessions from your desk. Your couch. Anywhere. http://p.sf.net/sfu/redhat-sfdev2dev _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
