why rectangle image's corner is cropped at rounded corner imageview
<p>I have a image and this image contain a red border, and when I set this image to a imageview (I set corner radius of this imagview 5.0), then corner of image is cropped at the imageview,</p>

<p><img src="http://i.stack.imgur.com/74XoN.png" alt="image after setting on imageview of rounded corner"></p>

<p><img src="http://i.stack.imgur.com/mc20E.png" alt="actual image"></p>
