Bug 315035 [Automation][Regression]Error happened while merge cells in grid when preview as pdf/ppt/ps
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/nLayout/area/impl/TableLayout.java
CellArea refCell = ( (DummyCell) cell ).getCell( );
						int delta = ( (DummyCell) cell ).getDelta( );
						refCell.setHeight( delta + height );
						verticalAlign( refCell );
					}
					else
					{
						int cellHeight = cell.getHeight( );
						cell.setHeight( height );
						verticalAlign( cell );
						if ( isFixedLayout && cellHeight > height )
						{
							cell.setNeedClip( true );
						}
					}
				}
				i = i + cell.getColSpan( ) - 1;
			}
		}
	}
	public int getCellWidth( int startColumn, int endColumn )
	{
		if ( layoutInfo != null )
		{
			return layoutInfo.getCellWidth( startColumn, endColumn );
		}
		return 0;
	}
	/*
	 * public RowArea getArea( ) { return row; } }