Requirements:
- Drawing of a directed arrow (line + arrow head) by setting one control point and the arrow's direction
- Arrow shall have a rendering invariant length (independent of zoom level)
Requirements:
[SVN revision 22970]
ENH (#3628): added arrow tool, scale invariant rendering, serialization
Geschlossen. Der Bug war einem früheren Iterationsziel untergeordnet, das erledigt ist.