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
{
			doc.setPageSize(pageSize);
		    if ( !doc.isOpen() )
		    {
		    	doc.open();
				cb = writer.getDirectContent();
				cbUnder = writer.getDirectContentUnder();
		    }
			doc.newPage();
			 
			doc.add(Chunk.NEWLINE);
		}
		catch( DocumentException de )
		{
			logger.log( Level.SEVERE, de.getMessage( ), de );
		}
		
		
		Color bc = PropertyUtil.getColor(page.getStyle().getProperty(StyleConstants.STYLE_BACKGROUND_COLOR));
		drawBackgroundColor( bc, 0, pageHeight, pageWidth, pageHeight );
		
		
		String bi = PropertyUtil.getBackgroundImage(
        		page.getStyle().getProperty(StyleConstants.STYLE_BACKGROUND_IMAGE));
		drawBackgroundImage( bi, 0, pageHeight, pageWidth, pageHeight, 
				PropertyUtil.getPercentageValue(page.getStyle().getProperty(StyleConstants.STYLE_BACKGROUND_POSITION_X)),
				PropertyUtil.getPercentageValue(page.getStyle().getProperty(StyleConstants.STYLE_BACKGROUND_POSITION_Y)),
				page.getStyle().getBackgroundRepeat());
	}
	private class BorderInfo