nding errors and conflicts
 between scaling for the width and the height of the image.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>sourceWidth</code> - The width in pixels of the image to be downsampled.</dd>
<dd><code>sourceHeight</code> - The height in pixels of the image to be downsampled.</dd>
<dd><code>requestedWidth</code> - The width in pixels of the view/target the image will be displayed in.</dd>
<dd><code>requestedHeight</code> - The height in pixels of the view/targe