Bug 178519 Problems in multi-rows header
Please see the attachments.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFTableLM.java
}
		}
		return colWidth;
	}
	/**
	 * update row height
	 * 
	 * @param row
	 */
	public void updateRow( RowArea row, int specifiedHeight, boolean finished )
	{
		if ( layout != null )
		{
			layout.updateRow( row, specifiedHeight, finished );
		}
	}
	public void addRow( RowArea row, boolean finished )
	{
		if ( layout != null )
		{
			layout.addRow( row, finished );
		}
	}
	public int getXPos( int columnID )
	{
		if ( layoutInfo != null )
		{
			return layoutInfo.getXPosition( columnID );
		}
		return 0;