Bug 147676 [regression]Visibility set in the first col will affect the second col
Description: Visibility set in the first col will affect the second col Steps to reproduce: 1. Insert a grid(3*3), insert contents to each cell. 2.Set the first col to hide all in visibility and preview Expected result: Only the first col is hidden. Actual result: The second col is hidden, too. If you set the second col in step2, the third col will disappear.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFAbstractLM.java
{
	
	protected final static int STATUS_START = 0;
	protected final static int STATUS_INPROGRESS = 1;
	protected final static int STATUS_END = 3;
	protected int status = STATUS_START;
	protected static Logger logger = Logger.getLogger( PDFAbstractLM.class
			.getName( ) );
	protected PDFStackingLM parent;
	protected IContent content;
	protected PDFLayoutEngineContext context;
	protected IContentEmitter emitter;
	protected IReportItemExecutor executor;
	/**
	 * identify if current area is the first area generated by content
	 */
	protected boolean isFirst = true;
	/**
	 * identify if current area is the last area generated by content
	 */
	protected boolean isLast = false;
	protected int specifiedWidth = 0;
	protected int specifiedHeight = 0;
	public IContent getContent( )
	{
		return content;