iTextSharp.text.pdf.PdfContentByte.SetGrayStroke C# (CSharp) Метод

        public virtual void SetGrayStroke(float value)
        {
            content.Append(value).Append(" G").Append_i(separator);
        }

        private void SetStrokeColor(PdfContentByte canvas, IList<object> strokeColorArgs) {
            switch (strokeColorArgs.Count) {
                case 1:
                    canvas.SetGrayStroke(((PdfNumber) strokeColorArgs[0]).FloatValue);
                    break;

                case 3:
                    canvas.SetRGBColorStrokeF(((PdfNumber) strokeColorArgs[0]).FloatValue,
                                              ((PdfNumber) strokeColorArgs[1]).FloatValue,
                                              ((PdfNumber) strokeColorArgs[2]).FloatValue);
                    break;

                case 4:
                    canvas.SetCMYKColorFillF(((PdfNumber) strokeColorArgs[0]).FloatValue,
                                             ((PdfNumber) strokeColorArgs[1]).FloatValue,
                                             ((PdfNumber) strokeColorArgs[2]).FloatValue,
                                             ((PdfNumber) strokeColorArgs[3]).FloatValue);
                    break;

            }
        }