public void endRow(IRowContent row) throws BirtException {
    if (cellEmitter != null) {
      cellEmitter.endRow(row);
    } else {
      if (!isNestTable()) {
        layout.endRow(row);
        lastRowId = row.getRowID();
        hasDropCell = layout.hasDropCell();
        if (hasDropCell()) {
          return;
        }
        if (layoutEvents.size() > 0) {
          flush();
          return;
        }
      }
      // For fixed layout reports and in run task, we need to emit the
      // invisible content to PDF layout engine.
      boolean hiddenMask =
          context.isFixedLayout()
              && (Integer) context.getLayoutEngine().getOption(EngineTask.TASK_TYPE)
                  == IEngineTask.TASK_RUN;
      boolean isHidden =
          LayoutUtil.isHidden(
              row, emitter.getOutputFormat(), context.getOutputDisplayNone(), hiddenMask);

      if (!isHidden) {
        emitter.endRow(row);
      }
    }
  }
  protected void flushRow(int rowId, int colId, boolean withStart) throws BirtException {
    int colCount = layout.getColCount();
    int columnId = layout.getColumnId(colId);
    Row row = layout.getRow(rowId);
    IRowContent rowContent = (IRowContent) row.getContent();
    if (withStart) {
      emitter.startRow(rowContent);
    }
    for (int j = columnId; j < colCount; j++) {
      Cell cell = row.getCell(j);
      if (cell.getStatus() == Cell.CELL_USED) {
        CellContent content = (CellContent) cell.getContent();
        CellContentWrapper tempCell = new CellContentWrapper(content.cell);
        tempCell.setColumn(cell.getColId());
        tempCell.setRowSpan(cell.getRowSpan());
        tempCell.setColSpan(cell.getColSpan());

        emitter.startCell(tempCell);
        if (content.buffer != null) {
          content.buffer.flush();
        }
        emitter.endCell(tempCell);
      }
      if (cell.getStatus() == Cell.CELL_EMPTY) {
        IReportContent report = rowContent.getReportContent();
        ICellContent cellContent = report.createCellContent();
        cellContent.setParent(rowContent);
        cellContent.setColumn(cell.getColId() + 1);
        cellContent.setRowSpan(cell.getRowSpan());
        cellContent.setColSpan(cell.getColSpan());
        emitter.startCell(cellContent);
        emitter.endCell(cellContent);
      }
    }
    emitter.endRow(rowContent);
  }