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

        public void Clip()
        {
            if (inText && autoControlTextBlocks) {
                EndText();
            }
            content.Append('W').Append_i(separator);
        }

 /**
 * Writes the selected rows to the document.
 * This method clips the columns; this is only important
 * if there are columns with colspan at boundaries.
 * <P>
 * The table event is only fired for complete rows.
 *
 * @param colStart the first column to be written, zero index
 * @param colEnd the last column to be written + 1. If it is -1 all the
 * @param rowStart the first row to be written, zero index
 * @param rowEnd the last row to be written + 1. If it is -1 all the
 * rows to the end are written
 * @param xPos the x write coodinate
 * @param yPos the y write coodinate
 * @param canvas the <CODE>PdfContentByte</CODE> where the rows will
 * be written to
 * @return the y coordinate position of the bottom of the last row
 */
 public float WriteSelectedRows(int colStart, int colEnd, int rowStart, int rowEnd, float xPos, float yPos, PdfContentByte canvas)
 {
     if (colEnd < 0)
         colEnd = absoluteWidths.Length;
     colEnd = Math.Min(colEnd, absoluteWidths.Length);
     if (colStart < 0)
         colStart = 0;
     colStart = Math.Min(colStart, absoluteWidths.Length);
     if (colStart != 0 || colEnd != absoluteWidths.Length) {
         float w = 0;
         for (int k = colStart; k < colEnd; ++k)
             w += absoluteWidths[k];
         canvas.SaveState();
         float lx = 0;
         float rx = 0;
         if (colStart == 0)
             lx = 10000;
         if (colEnd == absoluteWidths.Length)
             rx = 10000;
         canvas.Rectangle(xPos - lx, -10000, w + lx + rx, 20000);
         canvas.Clip();
         canvas.NewPath();
     }
     PdfContentByte[] canvases = BeginWritingRows(canvas);
     float y = WriteSelectedRows(colStart, colEnd, rowStart, rowEnd, xPos, yPos, canvases);
     EndWritingRows(canvases);
     if (colStart != 0 || colEnd != absoluteWidths.Length)
         canvas.RestoreState();
     return y;
 }