Draw Circle Image by Clipping

MZCircleImage.m

// draw circler image
-(void)drawClippedAvatar:(UIImage *)image inRect:(CGRect)rect andContext:(CGContextRef)context
{
    CGMutablePathRef path = CGPathCreateMutable();
    CGPathAddEllipseInRect(path, NULL, rect);
    CGContextAddPath(context, path);
    CGContextClip(context);
    CGPathRelease(path);
    [image drawInRect:rect];
}