In bezier area/curve convolution, don't put the area (pen) down quite so often: reduces redundant areas in unions from draw-path in gsharp.
In bezier area/curve convolution, don't put the area (pen) down quite so
often: reduces redundant areas in unions from draw-path in gsharp.

(Also rename convlute -> convolve)

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