idp52922720-bb"></a><span class="identifier">image2d</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>Creates a null <code class="computeroutput"><a class="link" href="image2d.html" title="Class image2d">image2d</a></code> object. </li>
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<pre class="literallayout"><a name="idp52924016-bb"></a><span class="identifier">image2d</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">context</span> 