- Change: Consistent encapsulation of "_active" in Command and all it's derived
classes.
- New: support for Rulers. Start drawing by pressing Shift+L.Button, finish
by pressing it again. To cancel a Ruler press Shift+R.Button.
Drawing style support also added : "text.ruler". Rulers are always
visibles (display threshold sets to zero), only the numbers of graduations
displayeds changes (at least 5 pixels between two graduations).
Jean-Paul Chaput