nstructors</h2>

      <dl class="constructor-summary-list">
        <dt id="Canvas" class="callable">
          <span class="name"><a href="dart-ui/Canvas/Canvas.html">Canvas</a></span><span class="signature">(<span class="parameter" id="-param-recorder"><span class="type-annotation"><a href="dart-ui/PictureRecorder-class.html">PictureRecorder</a></span> <span class="parameter-name">recorder</span>, [</span> <span class="parameter" id="-param-cullRect"><span class="type-annotation"><a href="dart-ui/Rect-cl