an>, _point_size:<a href="http://api.haxe.org/Float.html">Float</a><span></span>, _letter_spc:<a href="http://api.haxe.org/Float.html">Float</a><span></span>, _line_widths:<a href="http://api.haxe.org/Array.html">Array</a>&lt;<a href="http://api.haxe.org/Float.html">Float</a>&gt;<span></span>) : <a href="http://api.haxe.org/Float.html">Float</a></code><br/><span class="small_desc_flat">Returns the width of the given string, using the given metrics.
            This will split the string and populate the opt