Picture-param-offset"><span class="type-annotation"><a href="dart-ui/Offset-class.html">Offset</a></span> <span class="parameter-name">offset</span>, </span> <span class="parameter" id="addPicture-param-picture"><span class="type-annotation"><a href="dart-ui/Picture-class.html">Picture</a></span> <span class="parameter-name">picture</span>, {</span> <span class="parameter" id="addPicture-param-isComplexHint"><span class="type-annotation"><a href="dart-core/bool-class.html">bool</a></span> <span class="param