UIBezierPath圆边？

Question

Im drawing some lines and I noticed that when the edges get at a certain angle it generates a sharp edge like this:

What I want it to draw:

How do I do this? I have looked through the documentations but I dont seem to find anything im looking for. Or is there a way to turn that auto-edge-generating off?

Answer 1

UIBezierPath's have a property called lineJoinStyle . Set it to kCGLineJoinRound and it will draw as you want it.

UIBezierPath *myPath = ...
myPath.lineJoinStyle = kCGLineJoinRound;

Answer 2

可以通过以下方式在Swift中调用UIBezierPath上的kCGLineJoinRound属性：

myPath.lineJoinStyle = .round

Answer 3

Use CGContextSetLineJoin to set your drawing context's join parameter to kCGLineJoinRound , before you stroke the path. This is documented in the Quartz 2D Programming Guide .

If you are drawing a UIBezierPath, you can also set the path's lineJoinStyle , which may be easier.