iTextSharp.text.pdf.PdfPTable.GetRowHeight C# (CSharp) Метод

        protected internal float GetRowHeight(int idx, bool firsttime)
        {
            if (totalWidth <= 0 || idx < 0 || idx >= rows.Count)
                return 0;
            PdfPRow row = rows[idx];
            if (row == null)
                return 0;
            if (firsttime)
                row.SetWidths(absoluteWidths);
            float height = row.MaxHeights;
            PdfPCell cell;
            PdfPRow tmprow;
            for (int i = 0; i < relativeWidths.Length; i++)
            {
                if (!RowSpanAbove(idx, i))
                    continue;
                int rs = 1;
                while (RowSpanAbove(idx - rs, i))
                {
                    rs++;
                }
                tmprow = rows[idx - rs];
                cell = tmprow.GetCells()[i];
                float tmp = 0;
                if (cell != null && cell.Rowspan == rs + 1)
                {
                    tmp = cell.GetMaxHeight();
                    while (rs > 0)
                    {
                        tmp -= GetRowHeight(idx - rs);
                        rs--;
                    }
                }
                if (tmp > height)
                    height = tmp;
            }
            row.MaxHeights = height;
            return height;
        }

 /**
 * Splits a row to newHeight.
 * The returned row is the remainder. It will return null if the newHeight
 * was so small that only an empty row would result.
 * 
 * @param new_height the new height
 * @return the remainder row or null if the newHeight was so small that only
 * an empty row would result
 */
 public PdfPRow SplitRow(PdfPTable table, int rowIndex, float new_height) {
     PdfPCell[] newCells = new PdfPCell[cells.Length];
     float[] fixHs = new float[cells.Length];
     float[] minHs = new float[cells.Length];
     bool allEmpty = true;
     for (int k = 0; k < cells.Length; ++k) {
         float newHeight = new_height;
         PdfPCell cell = cells[k];
         if (cell == null) {
             int index = rowIndex;
             if (table.RowSpanAbove(index, k)) {
                 newHeight += table.GetRowHeight(index);
                 while (table.RowSpanAbove(--index, k)) {
                     newHeight += table.GetRowHeight(index);
                 }
                 PdfPRow row = table.GetRow(index);
                 if (row != null && row.GetCells()[k] != null) {
                     newCells[k] = new PdfPCell(row.GetCells()[k]);
                     newCells[k].ConsumeHeight(newHeight);
                     newCells[k].Rowspan = row.GetCells()[k].Rowspan - rowIndex + index;
                     allEmpty = false;
                 }
             }
             continue;
         }
         fixHs[k] = cell.FixedHeight;
         minHs[k] = cell.MinimumHeight;
         Image img = cell.Image;
         PdfPCell newCell = new PdfPCell(cell);
         if (img != null) {
             if (newHeight > cell.EffectivePaddingBottom + cell.EffectivePaddingTop + 2) {
                 newCell.Phrase = null;
                 allEmpty = false;
             }
         }
         else {
             float y;
             ColumnText ct = ColumnText.Duplicate(cell.Column);
             float left = cell.Left + cell.EffectivePaddingLeft;
             float bottom = cell.Top + cell.EffectivePaddingBottom - newHeight;
             float right = cell.Right - cell.EffectivePaddingRight;
             float top = cell.Top - cell.EffectivePaddingTop;
             switch (cell.Rotation) {
                 case 90:
                 case 270:
                     y = SetColumn(ct, bottom, left, top, right);
                     break;
                 default:
                     y = SetColumn(ct, left, bottom + 0.00001f, cell.NoWrap ? RIGHT_LIMIT : right, top);
                     break;
             }
             int status;
             status = ct.Go(true);
             bool thisEmpty = (ct.YLine == y);
             if (thisEmpty) {
                 newCell.Column = ColumnText.Duplicate(cell.Column);
                 ct.FilledWidth = 0;
             }
             else if ((status & ColumnText.NO_MORE_TEXT) == 0) {
                 newCell.Column = ct;
                 ct.FilledWidth = 0;
             }
             else
                 newCell.Phrase = null;
             allEmpty = (allEmpty && thisEmpty);
         }
         newCells[k] = newCell;
         cell.FixedHeight = newHeight;
     }
     if (allEmpty) {
         for (int k = 0; k < cells.Length; ++k) {
             PdfPCell cell = cells[k];
             if (cell == null)
                 continue;
             if (fixHs[k] > 0)
                 cell.FixedHeight = fixHs[k];
             else
                 cell.MinimumHeight = minHs[k];
         }
         return null;
     }
     CalculateHeights();
     PdfPRow split = new PdfPRow(newCells);
     split.widths = (float[]) widths.Clone();
     split.CalculateHeights();
     return split;
 }