Bug 204245 Blank column on visibility column in excel[0300]
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/buffermgr/TableContentLayout.java
fillEmptyCells( rowId + newRowSpan, colId, rowSpan - newRowSpan,
				newColSpan );
		cell.colSpan = newColSpan;
		cell.rowSpan = newRowSpan;
	}
	public Cell getCell( int rowIndex, int colIndex )
	{
		return rows[rowIndex].cells[colIndex];
	}
	public Row getRow( int index )
	{
		assert ( index >= 0 && index < rowCount );
		return rows[index];
	}
	private boolean isColumnHidden( IColumn column )
	{
		String formats = column.getVisibleFormat( );
		if ( formats != null
				&& ( formats.indexOf( this.format ) >= 0 || formats
						.indexOf( BIRTConstants.BIRT_ALL_VALUE ) >= 0 ) )
		{
			return true;
		}
		return false;
	}
	
	public UnresolvedRowHint getUnresolvedRow()
	{
		return rowHint;