- We copy the clipping mask over from the gcontext to the picture   object.
- We copy the clipping mask over from the gcontext to the picture
  object.

- Added an :around method for handle-repaint which clears the
  background and sets up the clipping region to cure some of case
  where the drawing-is-idempotent assumption fails.

onixie/mcclim,antifuchs/mcclim,onixie/mcclim,swflint/McCLIM,slyrus/mcclim,slyrus/mcclim,onixie/mcclim,swflint/McCLIM,antifuchs/mcclim,swflint/McCLIM