<pre>
CGMutablePathRef path = CGPathCreateMutable();
CGPathMoveToPoint(path, NULL, 0, 89);
CGPathAddLineToPoint(path, NULL, 320,89);
CGMutablePathRef path = CGPathCreateMutable();
CGPathMoveToPoint(path, NULL, 0, 89);
CGPathAddLineToPoint(path, NULL, 320,89);
</pre>

CGMutablePathRef path = CGPathCreateMutable();
    CGPathMoveToPoint(path, NULL, 0, 89);
    CGPathAddLineToPoint(path, NULL, 320,89);