Fix a background drawing bug.
treebb33dbef1348ae456ebbf26a05c20b942e0d8dc4
drwxr-xr-x - build
drwxr-xr-x - doc
-rw-r--r-- 26434 licence.txt
-rw-r--r-- 37 qanava.pro
-rw-r--r-- 4632 readme.txt
drwxr-xr-x - src
drwxr-xr-x - tests