So really, I should look at how the free hand tool builds up a path. Which code is that?

The freehand tool itself is in draw-context.cpp (first half only, up to "pencil context") but it calls functions in helper/bezier-utils.cpp to create beziers from points obtained from the mouse.

_________________________________________________________________ Add photos to your messages with MSN Premium. Get 2 months FREE* http://join.msn.com/?pgmarket=en-ca&page=byoa/prem&xAPID=1994&DI...