renderOption.setOutputFormat(RenderOption.OUTPUT_FORMAT_PDF);
renderOption.setOutputFileName(filePath);

private void transSVG( String svgPath, byte[] svgData, float x, float y, float height,
			float width, String helpText ) throws IOException,
			DocumentException
	{
		PdfTemplate template = contentByte.createTemplate( width, height );
		Graphics2D g2D = template.createGraphics( width, height );

		PrintTranscoder transcoder = new PrintTranscoder( );
		if ( null != svgPath )
		{
			transcoder.transcode( new TranscoderInput( svgPath ), null );
		}
		else if ( null != svgData && svgData.length > 0 )
		{
			transcoder.transcode( new TranscoderInput(
					new ByteArrayInputStream( svgData ) ), null );
		}
		PageFormat pg = new PageFormat( );
		Paper p = new Paper( );
		p.setSize( width, height );
		p.setImageableArea( 0, 0, width, height );
		pg.setPaper( p );
		transcoder.print( g2D, pg, 0 );
		g2D.dispose( );

		drawImage( template, x, y, height, width, helpText );
	}

        private void drawImage( PdfTemplate image, float imageX, float imageY,
			float height, float width, String helpText )
			throws DocumentException
	{
		imageY = transformY( imageY, height );
		contentByte.saveState( );
		contentByte.concatCTM( 1, 0, 0, 1, imageX, imageY );
		float w = image.getWidth( );
		float h = image.getHeight( );
		contentByte.addTemplate( image, width/w, 0f/w, 0f/h, height/h, 0f, 0f );
		if ( helpText != null )
		{
			showHelpText( imageX, imageY, width, height, helpText );
		}
		contentByte.restoreState( );
	}

       public static void saveChartAsPDF(File file, JFreeChart chart, int width, int height) throws IOException {
		OutputStream out = new BufferedOutputStream(new FileOutputStream(file));
		writeChartAsPDF(out, chart, width, height);
		out.close();
	}

	public static void writeChartAsPDF(OutputStream out, JFreeChart chart, int width, int height) throws IOException {
		com.lowagie.text.Rectangle pagesize = new com.lowagie.text.Rectangle(width, height);
		Document document = new Document(pagesize, 50, 50, 50, 50);
		try {
			PdfWriter writer = PdfWriter.getInstance(document, out);
			document.open();
			PdfContentByte cb = writer.getDirectContent();
			PdfTemplate tp = cb.createTemplate(width, height);
			Graphics2D g2 = tp.createGraphics(width, height, new DefaultFontMapper());
			Rectangle2D r2D = new Rectangle2D.Double(0, 0, width, height);
			chart.draw(g2, r2D);
			g2.dispose();
			cb.addTemplate(tp, 0, 0);
		} catch (com.lowagie.text.DocumentException de) {
			System.err.println(de.getMessage());
		}
		document.close();
	}

private void transSVG( String svgPath, byte[] svgData, float x, float y, float height, float width, String helpText ) throws IOException, DocumentException {

		PdfTemplate template = null;
		Graphics2D g2D = null;
		Drawable drawable = null;

		ObjectInputStream inputStream = new ObjectInputStream(new ByteArrayInputStream(svgData));
		try {
			drawable = (Drawable) inputStream.readObject();
		} catch (ClassNotFoundException e) {
			logger.log(Level.SEVERE, "Chyba pri deserializaci!", e);
		}

		if (drawable != null) {
			Point2D prefferedSize = drawable.getPreffredSize();
			float prefferedWidth = (float) prefferedSize.getX();
			float prefferedHeight = (float) prefferedSize.getY();

			template = contentByte.createTemplate(prefferedWidth, prefferedHeight);

			g2D = template.createGraphicsShapes(prefferedWidth, prefferedHeight);
			drawable.draw(g2D, prefferedWidth, prefferedHeight);
			g2D.dispose();
		} else {
			template = contentByte.createTemplate(width, height);
			g2D = template.createGraphics(width, height);
			PrintTranscoder transcoder = new PrintTranscoder( );
			if ( null != svgPath )
			{
				transcoder.transcode( new TranscoderInput( svgPath ), null );
			}
			else if ( null != svgData && svgData.length > 0 )
			{
				transcoder.transcode( new TranscoderInput(
						new ByteArrayInputStream( svgData ) ), null );
			}
			PageFormat pg = new PageFormat( );
			Paper p = new Paper( );
			p.setSize( width, height );
			p.setImageableArea( 0, 0, width, height );
			pg.setPaper( p );
			transcoder.print( g2D, pg, 0 );
			g2D.dispose( );
		}
		drawImage( template, x, y, height, width, helpText );
	}