图片设置3D效果

   /**
     * 图片绘制3d效果
     * @param srcImage
     * @param radius
     * @param border
     * @param padding
     * @return
     * @throws IOException
     */
    public static BufferedImage draw3D(BufferedImage srcImage, int radius, int border, int padding, Color bgColor) throws IOException{
        int width = srcImage.getWidth();
        int height = srcImage.getHeight();
        int size = (width + height ) / 2;
        Shape shape = new RoundRectangle2D.Float(0, 0, width, height, radius, radius);

        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
        Graphics2D g2d = image.createGraphics();

        //绘制渐变背景
        if(bgColor == null){
            bgColor = Color.LIGHT_GRAY;
        }
        GradientPaint paint = new GradientPaint(0, 0, bgColor.darker(), 0, height,  bgColor.brighter().brighter());
        g2d.setPaint(paint);
        g2d.setComposite(AlphaComposite.DstIn);
        g2d.fillRect(0, 0, width, height); 

        //绘图
        g2d.setComposite(AlphaComposite.Src);
        g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        g2d.fill(shape);
        g2d.setComposite(AlphaComposite.SrcAtop);
        g2d.drawImage(setClip(srcImage, radius), 0, 0, null);

        //设置高亮效果
        g2d.setColor(new Color(255, 255, 255, 150));
        Shape highlightArea = createHighlightShape(0, 0, size, shape);
        g2d.fill(highlightArea);

        //绘制边框
        if(border !=0){
            g2d.setColor(Color.LIGHT_GRAY);
            g2d.setStroke(new BasicStroke(border));
            g2d.drawRoundRect(border / 2, border/2, width- border, height- border, radius, radius);
        }
        g2d.dispose();

        //加旁白
        if(padding > 0){
            int canvasWidth = width + padding * 2;
            int canvasHeight = height + padding * 2;
            BufferedImage newImage = new BufferedImage(canvasWidth, canvasHeight, BufferedImage.TYPE_INT_ARGB);
            Graphics2D gd = newImage.createGraphics();
            float[] fractions = {0.0f, 0.6f};
            Color[] colors = {Color.LIGHT_GRAY, Color.WHITE};
            Point2D center = new Point2D.Float(canvasWidth / 2, canvasHeight /2);
            RadialGradientPaint paint2 = new RadialGradientPaint(center, size, fractions, colors);
            gd.setPaint(paint2);
            gd.setComposite(AlphaComposite.Src);
            gd.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
            gd.fill(new RoundRectangle2D.Float(0, 0, canvasWidth, canvasHeight, radius, radius));
            gd.setComposite(AlphaComposite.SrcAtop);
            gd.drawImage(image, padding, padding, null);
            return newImage;
        }
        return image;
    }

    /**
     * 图片设置圆角
     * @param srcImage
     * @return
     * @throws IOException
     */
    public static BufferedImage draw3D(BufferedImage srcImage) throws IOException{
        int radius = (srcImage.getWidth() + srcImage.getHeight()) / 6;
        return draw3D(srcImage, radius, 2, 5, null);
    }

    /**
     * 图片切圆角
     * @param srcImage
     * @param radius
     * @return
     */
    public static BufferedImage setClip(BufferedImage srcImage, int radius){
        int width = srcImage.getWidth();
        int height = srcImage.getHeight();
        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
        Graphics2D g2d = image.createGraphics();

        g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        g2d.setClip(new RoundRectangle2D.Double(0, 0, width, height, radius, radius));
        g2d.drawImage(srcImage, 0, 0, null);
        g2d.dispose();
        return image;
    }

    /**
     * 描边
     */
    public static BufferedImage setBorder(BufferedImage srcImage){
        int width = srcImage.getWidth();
        int height = srcImage.getHeight();
        int border = 1;

        int nWidth = width + border * 2;
        int nHeight = height + border * 2;

        BufferedImage image = new BufferedImage(nWidth, nHeight, BufferedImage.TYPE_INT_ARGB);
        Graphics2D g2d = image.createGraphics();
        int colorIncrement = 4;
        for(int i = border; i > 0; i--){
            int nw = width + 2 * i;
            int nh = height + 2 * i;
            BufferedImage tImage = new BufferedImage(nw, nh, BufferedImage.TYPE_INT_ARGB);
            Graphics2D tgs = tImage.createGraphics();
            tgs.drawImage(srcImage, 0, 0, nw, nh, null);

            int red = 255 - colorIncrement * (border - i);
            int green = 255 - colorIncrement * (border - i);
            int blue = 255 - colorIncrement * (border - i);
            int rgb =  new Color(red, green, blue).getRGB();
            System.out.println(rgb);
            for(int x = 0 ; x < nw; x++){
                for(int y = 0; y < nh; y++){
                    if(tImage.getRGB(x, y)!=0){
                        tImage.setRGB(x, y, rgb);
                    }
                }
            }

            tgs.dispose();
            g2d.drawImage(tImage, border - i, border -i, null);
        }
        g2d.drawImage(srcImage, border, border, null);
        g2d.dispose();
        return image;
    }

    /**
     * 高亮层
     * @param centerX
     * @param centerY
     * @param size
     * @param body
     * @return
     */
    private static Shape createHighlightShape(int centerX, int centerY, int size, Shape body) {
        double myRadius = size * 4;
        double x = centerX - size * 2.3;
        double y = centerY - size * 3.2;
        Ellipse2D.Double circle = new Ellipse2D.Double(x, y, myRadius, myRadius);
        Area area = new Area(circle);
        area.intersect(new Area(body));
        return area;
    }