ode>TJ.getMCUHeight(int)</code></a>)</dd><dd><code>w</code> - the width of the cropping region.  Setting this to 0 is the
 equivalent of setting it to (width of the source JPEG image -
 <code>x</code>).</dd><dd><code>h</code> - the height of the cropping region.  Setting this to 0 is the
 equivalent of setting it to (height of the source JPEG image -
 <code>y</code>).</dd><dd><code>op</code> - one of the transform operations (<code>OP_*</code>)</dd><dd><code>options</code> - the bitwise OR of one or more of