一篇头像裁剪，组合图片，生成海报的代码

阳光穿透心脏的1/2处 2021-11-04 12:44 226阅读 0赞

1 /**
     2      * 头像裁剪，组合图片，生成海报
     3      * @param picUrl
     4      * @param headPic
     5      * @throws Exception
     6      */
     7         public void createPost(String picUrl,String headPic) throws Exception{
     8             int width1 = 130;
     9             URL url1 = new URL(headPic);//背景图片
    10             BufferedImage headPicImg = ImageIO.read(url1);
    11             // 透明底的图片
    12              BufferedImage formatAvatarImage = new BufferedImage(width1, width1, BufferedImage.TYPE_INT_RGB);
    13 
    14             Graphics2D graphics = formatAvatarImage.createGraphics();
    15             graphics.setColor(Color.white);    //GREEN:绿色；  红色：RED;   灰色：GRAY 白色：white
    16             graphics.fillRect(0, 0, width1, width1);
    17             //把图片切成一个圓
    18              graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    19                 //留一个像素的空白区域，这个很重要，画圆的时候把这个覆盖
    20              int border =1;
    21              //图片是一个圆型
    22              Ellipse2D.Double shape = new Ellipse2D.Double(border, border, width1 - border * 2, width1 - border * 2);
    23              //需要保留的区域
    24              graphics.setClip(shape);
    25              graphics.drawImage(headPicImg, border, border, width1 - border * 2, width1 - border * 2, null);
    26              //绘制二维码
    27             HashMap hints = new HashMap();
    28             hints.put(EncodeHintType.CHARACTER_SET, "utf-8");    //指定字符编码为“utf-8”
    29             hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);  //指定二维码的纠错等级为中级
    30             hints.put(EncodeHintType.MARGIN, 1);    //设置图片的边距
    31             BitMatrix bitMatrix = new MultiFormatWriter().encode( "爱你一万年", BarcodeFormat.QR_CODE, 250, 250, hints);
    32             BufferedImage ii = toBufferedImage(bitMatrix);
    33             URL url = new URL(picUrl);//背景图片
    34             BufferedImage picUrlImg = ImageIO.read(url);
    35 
    36             //绘制宽=480，长=640的图板
    37             int width = 750, hight = 1606;
    38             BufferedImage image = new BufferedImage(width, hight, BufferedImage.TYPE_INT_RGB);
    39             //获取图形上下文,graphics想象成一个画笔
    40              graphics = (Graphics2D) image.getGraphics();
    41             //消除线条锯齿
    42             graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    43             //对指定的矩形区域填充颜色
    44             graphics.setColor(Color.white);    //GREEN:绿色；  红色：RED;   灰色：GRAY 白色：white
    45             graphics.fillRect(0, 0, 750, 1606);
    46             //对指定的矩形区域填充颜色
    47             graphics.drawImage(picUrlImg,0,0,null);
    48             graphics.drawImage(formatAvatarImage,30,1326,null);
    49             graphics.drawImage(ii,470,1326,null);
    50 
    51             Font font=new Font("宋体",Font.BOLD,28);
    52             graphics.setFont(font);
    53             graphics.setColor(Color.BLACK);
    54             graphics.drawString("徐睿", 170, 1386);
    55             graphics.drawString("18703652539", 170, 1416);
    56              font=new Font("宋体",Font.ITALIC,25);
    57             graphics.setFont(font);
    58             graphics.setColor(Color.BLACK);
    59             graphics.drawString("我是你的专属客服，您有任何关于", 50, 1496);
    60             graphics.drawString("信用卡申请的相关问题可随时向我", 50, 1536);
    61             graphics.drawString("咨询", 50, 1576);
    62 
    63             //graphics.setPaintMode();
    64             //graphics.translate(400, 600);
    65 
    66             graphics.dispose();//释放此图形的上下文并释放它所使用的所有系统资源
    67             FileOutputStream out = new FileOutputStream("D:\\yy/1.jpeg");
    68             ImageIO.write(image, "JPEG", out);
    69 
    70             out.flush();
    71             out.close();
    72 
    73         }

转载于:https://www.cnblogs.com/hxz-nl/p/10736837.html