public void Invoke(PdfContentStreamProcessor processor, PdfLiteral oper, List <PdfObject> operands)
            {
                PdfNumber aw  = (PdfNumber)operands[0];
                PdfNumber ac  = (PdfNumber)operands[1];
                PdfString str = (PdfString)operands[2];

                List <PdfObject> twOperands = new List <PdfObject>(1);

                twOperands.Insert(0, aw);
                setTextWordSpacing.Invoke(processor, null, twOperands);

                List <PdfObject> tcOperands = new List <PdfObject>(1);

                tcOperands.Insert(0, ac);
                setTextCharacterSpacing.Invoke(processor, null, tcOperands);

                List <PdfObject> tickOperands = new List <PdfObject>(1);

                tickOperands.Insert(0, str);
                moveNextLineAndShowText.Invoke(processor, null, tickOperands);
            }