I\'m using CGAL with Qt to draw Voronoi diagram. I used CGAL::Voronoi_diagram_2since I need the faces. This is the example code:
CGAL::Voronoi_diagram_2
for
There is some experimental code here: http://code.google.com/p/cgal-voronoi-cropping that crop a voronoi diagram to a rectangle, the result being a HDS. See main.cpp in the test directory