How do I draw a simple ellipse using CoreGraphics on the iPhone (specifically iPad)?

问题

Just wondering how to draw an ellipse using CoreGraphics.

回答1:

CGContextStrokeEllipseInRect or CGContextFillEllipseInRect

来源：https://stackoverflow.com/questions/3231902/how-do-i-draw-a-simple-ellipse-using-coregraphics-on-the-iphone-specifically-ip