fixes #164 the resize bug within the capture, but canvas->capture needs to be reviseted because of #38, navigation history thumbnails work only because of tile size == thumbnail size.
fixes #164 the resize bug within the capture, but canvas->capture needs to be reviseted because of #38, navigation history thumbnails work only because of tile size == thumbnail size.

hpicgs/cgsee,hpicgs/cgsee,hpicgs/cgsee