resenting a color, based on Int." href="../../flixel/util/FlxColor.html">FlxColor</a>&gt;</span>):<a class="type" title="String - The basic String class." href="../../String.html">String</a></code></h3><div class="doc"><p>Converts a BitmapData object to a comma-separated string. Black pixels are flagged as 'solid' by default,
non-black pixels are set as non-colliding. Black pixels must be PURE BLACK.</p><p class="javadoc">Parameters:</p><table class="table table-bordered params"><tr><th style="width:25%;"><