Bug 137444 Can not preview the old file with PDF
Details: Can not preview the old file with PDF Please run the attached file with PDF, it can not preview. But HTML and web view is no problem.
engine/org.eclipse.birt.report.engine.emitter.pdf/src/org/eclipse/birt/report/engine/emitter/pdf/PDFEmitter.java
layoutPointX2PDF(areaX+area.getWidth()),
							layoutPointY2PDF(areaY),
		            		createPdfAction(link.toString( ), null, hlAction.getTargetWindow(), IHyperlinkAction.ACTION_DRILLTHROUGH )));
					break;
					
				case IHyperlinkAction.ACTION_HYPERLINK: 
					writer.addAnnotation( new PdfAnnotation( writer,
							layoutPointX2PDF(areaX),
							layoutPointY2PDF(areaY+area.getHeight()),
							layoutPointX2PDF(areaX+area.getWidth()),
							layoutPointY2PDF(areaY),
							createPdfAction(hlAction.getHyperlink(), null, hlAction.getTargetWindow(), IHyperlinkAction.ACTION_HYPERLINK)) );
					break;
				}
			}
			catch (Exception e)
			{
				logger.log(Level.WARNING, e.getMessage(), e);
			}
		}
	}
	
	/**
	 * create a PdfAction
	 * 
	 * @param hyperlink			
	 * @param bookmark
	 * @param target			if target equals "_blank", the target will be opened in a new window,
	 * 							else the target will be opened in the current window.
	 * @return					the created PdfAction.