 root text spans, with the line box.</li><li><code>height</code>: The height of this text span, as a multiple of the font size.</li><li><code>locale</code>: The locale used to select region-specific glyphs.</li><li><code>background</code>: The paint drawn as a background for the text.</li><li><code>foreground</code>: The paint used to draw the text. If this is specified, <code>color</code> must be null.</li></ul>
    </section>
    
    <section class="summary source-code" id="source">
      <h2><span>Imple