title: How to resize NSImage?
body: <p>I have an <code>NSBitmapImageRep</code> which is <code>W</code>x<code>H</code> size.</p>
  
  <p>I create <code>NSImage</code> and call <code>addRepresentation:</code>. Then I need to resize the <code>NSImage</code>.</p>
  
  <p>I tried <code>setSize</code> method but it doesn't work. What should I do?</p>