Union UIBezierPaths rather than apend path

Question

I have an app where I take a UIBezierPath and use it as a brush by a series of appendPath: calls. After a few goes and with really complex brush shapes the memory runs out a

Answer 1

You can use the GPCPolygon, an Objective-C wrapper for GPC

-GPCPolygonSet*) initWithPolygons:(NSMutableArray*)points;

or

- (GPCPolygonSet*) unionWithPolygonSet:(GPCPolygonSet*)p2;