use class level rather than instance level caching of fontd#798

Merged

mdboom merged 3 commits intomatplotlib:v1.1.xfrom

jdh2358:class-font-cache

Apr 13, 2012

Commits on Mar 24, 2012

use class level rather than instance level caching of fonts to delay the too many open file handles windows bug
jdh2358
committed
slurp down a class level cache into the instance level at the start of draw, and push it back up when done
jdh2358
committed
use threading Lock to protect class level font cache
jdh2358
committed