Bug 204090 render a small rptdocument to PDF will be OutofMemory
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/util/TableProcessor.java
{
		private CellContent cell;
		
		public CellState( Element element, Map cssStyles,
				IContent parent, IContent inlineParent, ActionContent action )
		{
			super( element, cssStyles, parent, inlineParent, action );
			cell = new CellContent( (ReportContent) parent.getReportContent( ) );
			content = cell;
			HTML2Content.handleStyle( element, cssStyles, content );
			cell.setRowSpan( PropertyUtil.getIntAttribute( element,
					ATTRIBUTE_ROWSPAN ) );
			cell.setColSpan( PropertyUtil.getIntAttribute( element,
					ATTRIBUTE_COLSPAN ) );
		}
		public void processNodes( )
		{
			HTML2Content.processNodes( element, cssStyles, content,
					inlineParent, action );
			parent.getChildren( ).add( content );
			content.setParent( parent );
		}
		
		public int getColSpan( )
		{
			return cell.getColSpan( );
		}
	}
	private static class InternalCellContent implements Cell.Content