lid stride value
the error status of the returned surface will be
<a class="link" href="cairo-Error-handling.html#CAIRO-STATUS-INVALID-STRIDE:CAPS"><code class="literal">CAIRO_STATUS_INVALID_STRIDE</code></a>.  You can use
<a class="link" href="cairo-cairo-surface-t.html#cairo-surface-status" title="cairo_surface_status ()"><code class="function">cairo_surface_status()</code></a> to check for this.</p>
<p>See <a class="link" href="cairo-cairo-surface-t.html#cairo-surface-set-user-data" title="cairo_surface