java to write positive and negative picture fonts, and writes on a two-dimensional code images, code implementation

/ ** 
     * @param filePath 
     * source image path 
     * @param markContent 
     * pictures add content 
     * @param outPath 
     * font color output image path inside the function realized 
     *             
     * @param  
     * / 
    // to add text jpg 
    public   boolean createStringMark (URL String, String filePath, String markContent, int R & lt, int G, int B, the CHOOSEFONT String) { 
        the ImageIcon imgIcon = new new the ImageIcon (filePath); 
        Image theImg = imgIcon.getImage();
        int width = theImg.getWidth(null) == -1 ? 200 : theImg.getWidth(null);
        int height = theImg.getHeight(null) == -1 ? 200 : theImg.getHeight(null);
        System.out.println(width);
        System.out.println(height);
        System.out.println(theImg);
        BufferedImage bimage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
        Graphics2D g = bimage.createGraphics();
 
        //Color mycolor1 = Color.white;
        Color mycolor1 = newColor (255,255,255 ); 
        g.setColor (mycolor1); 
        g.setBackground (Color.red); 
        G.drawImage (theImg, 0, 0, null ); // method of rendering an image, video or the canvas on the canvas.
        // the Font = new new font the Font ( "bold", Font.BOLD, 200 is);   
        the Font font = new new the Font (the CHOOSEFONT, Font.BOLD, 200 is );   
        font = the Font (200 is ); 
        g.setFont (font); // font, font style, size words 350 
        g.setRenderingHint (RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
         // calculate the text length calculating x coordinates centered 
        FontMetrics fm =g.getFontMetrics (font);
         int textWidth = fm.stringWidth (markContent);
         int widthX = (width - textWidth) / 2 ;
         // . This text represents a position in the image (x, y) is the first one you set content. 
        g.drawString (markContent, widthX, 1130. );   
        
        Color mycolor = new new Color (R & lt, G, B); 
        g.setColor (mycolor); 
        g.setBackground (Color.red); 
        // G.drawImage (theImg, 0, 0, null); 
        the Font rotatefont = new new the Font (the CHOOSEFONT, Font.BOLD, 200 is );   
        rotatefont = the Font (200 is ); 
        g.setFont (rotatefont); //Font, font style, size words 350 
        g.setRenderingHint (RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); 
        the FontMetrics rotatefm = g.getFontMetrics (font);
         int rotatetextWidth = rotatefm.stringWidth (markContent);
         int rotatewidthX = (width - rotatetextWidth ) / 2 ;
         // Videos inverted 180 degrees font 
        g.translate (rotatewidthX rotatetextWidth +, 350 ); 
        g.rotate (Math.toRadians ( 180 )); 
        g.drawString (markContent, 0, 0 ); 
        g.dispose ( ); 
        the try {
             Long currentTime = System.currentTimeMillis();
            String pathdate = new SimpleDateFormat("yyyy/MM/dd/HH/hh/mm/ss").format(new Date());
            String path = "F:\\pic2018\\"+pathdate;
            File file = new File(path);
            if (!file.exists()) {
                file.mkdirs();
            }
            QRCodeUtil qr = new QRCodeUtil();
            String qrCodepath = qr.Util(url, pathdate);
            String outPath = path+"\\"+currenttime+".jpg";
            OUT a FileOutputStream = new new a FileOutputStream (outPath); // first with a particular output file name 
            JPEGImageEncoder Encoder = JPEGCodec.createJPEGEncoder (OUT); 
            the JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam (bimage); 
            param.setQuality ( 100, to true ); //
             encoder.encode (bimage, param); 
            
            the InputStream iS = new new the FileInputStream (outPath);
             // Create the JPEG data through a JPEG image stream decoder flow 
            JPEGImageDecoder jpegDecoder = JPEGCodec.createJPEGDecoder (iS);
             //Decoding the current JPEG data stream, the object returns BufferedImage 
            BufferedImage buffImg = jpegDecoder.decodeAsBufferedImage ();
             // get brush object 
            Graphics G2 = buffImg.getGraphics (); 
 
            // path small picture 
            the ImageIcon QrcodeimgIcon = new new the ImageIcon (qrCodepath);
             // get Image object. 
            Img = Image QrcodeimgIcon.getImage ();
             // . The small picture painted on the big picture, 5,300 represents your position on the small picture big picture. 
            g2.drawImage (IMG, 50, 1560, null );
             // set the color. 
            g2.setColor (Color.WHITE); 
            g2.dispose ();
            OS the OutputStream new new = a FileOutputStream (+ path "\\" + currentTime + "Zong" + "JPG." );
             // record the key coder for coding image data in memory. 
            EN = JPEGImageEncoder JPEGCodec.createJPEGEncoder (OS); 
            en.encode (buffImg); 
            is.close (); 
            os.close (); 
            
            the out.close (); 
        } the catch (Exception E) {
             return  to false ; 
        } 
        return  to true ; 
    } 
     // The first parameter is the name of the external font, font size, and the second is 
    public  static the Font loadFont (String fontFileName, float the fontSize) {
         the try {
            File file = new File(fontFileName);
            FileInputStream aixing = new FileInputStream(file);
            Font dynamicFont = Font.createFont(Font.TRUETYPE_FONT, aixing);
            Font dynamicFontPt = dynamicFont.deriveFont(fontSize);
            aixing.close();
            return dynamicFontPt;
        }
        catch (Exception e)// 异常处理
        {
            e.printStackTrace();
            return new Font("宋体", Font.BOLD, 200);
        }
    } 
    Public  Font Font(int fontSize) { 
        String the root = the System.getProperty ( "user.dir"); // item root path 
        the Font font = ImageEdit.loadFont (the root + "/FZXBSJW.TTF", fontSize); // call 
        return font; / / return fonts