How to rotate text drawn by Quartz on iPhone

Question

I want to draw some texts using Quartz. Now the app draws , but I want it to show as \"0123456789\". Is there any way to show its normal orientation?

Here is my cod

Answer 1

Well this solved my problem

CGContextSetTextMatrix(context, CGAffineTransformMake(1.0,0.0, 0.0, -1.0, 0.0, 0.0));