if (tempChild.getFill(i) == -16777216) {} // throws an error, Adobe Illustrator provides no fill() element in the tree for any artwork containing black #000000 / -16777216, and because of this calling the getFill() method fails... SAD TROMBONE

// work around

static final color getPShapeFillColor(final PShape sh) {
  try {
    final java.lang.reflect.Field f = 
      PShape.class.getDeclaredField("fillColor");
 
    f.setAccessible(true);
    return f.getInt(sh);
  }
 
  catch (ReflectiveOperationException cause) {
    throw new RuntimeException(cause);
  }
}