on user settings. It may be very different from the raw DPI calculated from the physical size and current resolution.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">monitor</td><td>The monitor to query. </td></tr>
    <tr><td class="paramdir">[out]</td><td class="paramname">xscale</td><td>Where to store the x-axis content scale, or <code>NULL</code>. </td></tr>
    <tr><td class="paramdir">[out]</td><td class="paramname">ys