private LineBreaking.IUnjustifiedLine<Printing.IPrintableLine> CreateLine(LineBreaking.ILineConstraint constraint, StartOfParagraph from, EndOfParagraph to, InlineStyle style, out InlineStyle newStyle)
 {
     return InlineLayoutEngine.Solve(constraint, from.Glue, _objectList, to.Glue, PenaltyValue(to), _heading, style, out newStyle);
 }
 private LineBreaking.IUnjustifiedLine<Printing.IPrintableLine> CreateLine(LineBreaking.ILineConstraint constraint, IInterletter from, EndOfParagraph to, InlineStyle style, out InlineStyle newStyle)
 {
     var fromIndex = Array.IndexOf(_objectList, from);
     if (fromIndex == -1) throw new ArgumentException("from");
     return InlineLayoutEngine.Solve(
         constraint,
         new GlueProperty(from.IndentAfterBreak, 0, 0),
         _objectList.Skip(fromIndex + 1), to.Glue, PenaltyValue(to), _heading, style, out newStyle);
 }