Bug 197585 URL Link error in Line-Chart output in PDF format
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/emitter/PageDeviceRender.java
{
		public int x;
		public int y;
		public ContainerPosition( int x, int y )
		{
			this.x = x;
			this.y = y;
		}
	}
	/**
	 * Gets the output format. always returns "postscript".
	 */
	public abstract String getOutputFormat( );
	public abstract IPageDevice createPageDevice( String title,
			IReportContext context, IReportContent report ) throws Exception;
	/**
	 * Creates a document and create a PdfWriter
	 * 
	 * @param rc
	 *            the report content.
	 */
	public void start( IReportContent rc )
	{
		ReportDesignHandle designHandle = rc.getDesign( ).getReportDesign( );
		String title = designHandle.getStringProperty( IModuleModel.TITLE_PROP );
		try