Move bezier curve to its own file

Winding is now an enum class winding_e

rename some functions

Grid scaling buttons now work

isConvex renamed to quadrilateral_convexity, refactor, now returns an enum instead of bool

Simplify signature of openModelFromPath

Also connect up the "Delete" action

(0) -300 -100 -30 -10 -7 +7 +10 tip

mercurial