title: crop image in circular shape
body: <p>I am creating an application in which i am displaying one .jpg image. I want to crop part of image in circular shape. Please help me to solve this problem.</p>
  
  <pre><code>image = [UIImage imageNamed:@"images2.jpg"];
  imageView = [[UIImageView alloc] initWithImage:image];
  
  CGSize size = [image size];
  
  [imageView setFrame:CGRectMake(0, 0, size.width, size.height)];
  [[self view] addSubview:imageView];
  [imageView release];    
  </code></pre>
  
  <p>Please tell me to crop part of image in circular shape</p>