Solve subpixel positioning problems when scaling rotated images.
Solve subpixel positioning problems when scaling rotated images.

Ignore-this: e944955b9fa276496839bf51f4c0b177

darcs-hash:20110106120739-a72ac-7684465c7d45c4071f9e1022284f0d6d7f256074.gz

nqv/mupdf,nqv/mupdf,nqv/mupdf,nqv/mupdf,nqv/mupdf,nqv/mupdf