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
{
		private int x;
		private int y;
		public ContainerPosition(int x, int y)
		{
			this.x = x;
			this.y = y;
		}
	}
	
	/**
	 * get the output format. here it returns "pdf".
	 */
	public String getOutputFormat()
	{
		return RenderOptionBase.OUTPUT_FORMAT_PDF;
	}
	/**
	 * initialize the pdfEmitter
	 */
	public void initialize(IEmitterServices services)
	{
		
		
		this.reportRunnable = services.getReportRunnable();
		if (reportRunnable != null)
		{