Эх сурвалжийг харах
implemented support of CapRound to allow smoother joining of line segments;
implemented support of drawing a Disk with real-valued radius
git-svn-id: https://svn.inf.ethz.ch/svn/lecturers/a2/trunk@7179 8c9fc860-2736-0410-a75d-ab315db34111
eth.morozova