is a 4x4
matrix stored in column major order.</p>
    </section>
    
    <section class="summary source-code" id="source">
      <h2><span>Implementation</span></h2>
      <pre class="language-dart"><code class="language-dart">void addPath(Path path, Offset offset, {Float64List matrix4}) {
  assert(path != null); &#47;&#47; path is checked on the engine side
  assert(_offsetIsValid(offset));
  if (matrix4 != null) {
    assert(_matrix4IsValid(matrix4));
    _addPathWithMatrix(path, offset.dx, offset.dy, ma