java BufferedImage 合成多张图片

java BufferedImage 合成多张图片

public void createPicTwo2(int x,int y)
 {
     try
     {
       //读取第一张图片
       File fileOne = new File("h:\h.jpg");
       BufferedImage ImageOne = ImageIO.read(fileOne);
       int width = ImageOne.getWidth();//图片宽度
       int height = ImageOne.getHeight();//图片高度
       //从图片中读取RGB
       int[] ImageArrayOne = new int[width*height];
       ImageArrayOne = ImageOne.getRGB(0,0,width,height,ImageArrayOne,0,width);
       //对第二张图片做相同的处理
       File fileTwo = new File("h:\img.png");
       BufferedImage ImageTwo = ImageIO.read(fileTwo);
       int widthTwo = ImageTwo.getWidth();//图片宽度
       int heightTwo = ImageTwo.getHeight();//图片高度
       int[] ImageArrayTwo = new int[widthTwo*heightTwo];
       ImageArrayTwo = ImageTwo.getRGB(0,0,widthTwo,heightTwo,ImageArrayTwo,0,widthTwo);
       
       //生成新图片
       BufferedImage ImageNew = new BufferedImage(width,height,BufferedImage.TYPE_INT_RGB);
       ImageNew.setRGB(0,0,width,height,ImageArrayOne,0,width);//设置左半部分的RGB
       ImageNew.setRGB(x,y,widthTwo,heightTwo,ImageArrayTwo,0,widthTwo);//设置右半部分的RGB
       ImageNew.setRGB(x*2,y,widthTwo,heightTwo,ImageArrayTwo,0,widthTwo);//设置右半部分的RGB
       File outFile = new File("h:\out.png");
       ImageIO.write(ImageNew, "png", outFile);//写图片


     }
     catch(Exception e)
     {
       e.printStackTrace();
     }
 }

public static void main(String[] args) {
ImageDraw he = new ImageDraw();
he.createPicTwo2(100, 0);
}

 

 

// 个人代码实例

 

 /**
     * 实物商品分享赚 - 分享商品图片(规则最低价格)
     *
     * @param goodId
     * @param groupId
     * @param memberId
     * @return
     */
    @ApiOperation(value = "新增前关键字查重", notes = "新增前关键字查重", httpMethod = "POST")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "goodId", value = "商品Id", required = true, dataType = "Long", paramType = "query", example = ""),
            @ApiImplicitParam(name = "groupId", value = "商户编号", required = true, dataType = "Long", paramType = "query", example = ""),
            @ApiImplicitParam(name = "memberId", value = "会员id", required = true, dataType = "Long", paramType = "query", example = "")
    })
    @ApiResponses(value = {
            @ApiResponse(code = 200, message = "成功")
    }
    )
    @RequestMapping(value = "wxsharegoodpicture")
    @ResponseBody
    @SysLogger(value = "wxsharegoodpicture", servicename = "shop-service")
    public ShareMallEntityGood wxsharegoodpicture(@RequestParam(required = true) Long goodId,
                                                  @RequestParam(required = true) Long groupId,
                                                  @RequestParam(required = true) Long memberId) throws Exception {

        logger.info("分享赚-分享商品信息图片");
        if (goodId == null) {
            throw new ApplicationException(Rescode.NULL_POINTER, "goodId 商品不能为空！");
        }
        if (groupId == null) {
            throw new ApplicationException(Rescode.NULL_POINTER, "groupId 不能为空！");
        }
        if (memberId == null) {
            throw new ApplicationException(Rescode.NULL_POINTER, "memberId 不能为空！");
        }
        ShareMallEntityGood shareMallEntityGood = new ShareMallEntityGood();
        String fileName = null;
        byte[] data = new byte[1024];
        BASE64Encoder encoder = null;
        BufferedOutputStream bos = null;
        BufferedImage image;
        try {
            int imageWidth = 750;  //图片的宽度
            int imageHeight = 1350; //图片的高度
            int H_title = 300;     //头部高度
            int H_activity = 430;  //活动高度
            int H_mainPic = 750;   //广告高度
            int H_tip = 300;       //商品价格栏
            int tip_2_top = (H_title + H_mainPic);
            MallEntityGood mallEntityGood = mallEntityGoodService.queryFindEntityGoodPictureDetail(goodId, groupId);
            image = new BufferedImage(imageWidth, imageHeight, BufferedImage.TYPE_INT_RGB);
            //设置图片的背景色
            Graphics2D main = image.createGraphics();
            main.setColor(Color.white);
            main.fillRect(0, 0, imageWidth, imageHeight);
            //***********************页面头部
            Graphics title = image.createGraphics();
            title.setColor(Color.BLACK);
            // 商品标题字体
            Font titleFont = new Font("微软雅黑", Font.PLAIN, 46);
            title.setFont(titleFont);
            // 如果商品名大于12个字符,截取12个字符在第一行中显示,剩余的在第二行显示
            // 完成之后优化 考虑用户在使用英文的前提下 每行字数乘两倍
            if (mallEntityGood.getName().length() > 14) {
                String goodName1 = URLCodeUtil.encodeParam(mallEntityGood.getName().substring(0, 14));
                if (mallEntityGood.getName().length() > 14 && mallEntityGood.getName().length() < 27) {
                    String goodName2 = URLCodeUtil.encodeParam(mallEntityGood.getName().substring(14));
                    title.drawString(goodName2, 20, (H_title) / 3 + 80);
                } else if (mallEntityGood.getName().length() > 27) {
                    String goodName2 = URLCodeUtil.encodeParam(mallEntityGood.getName().substring(14, 27));
                    title.drawString(goodName2 + "...", 20, (H_title) / 3 + 80);
                }
                title.drawString(goodName1, 20, (H_title) / 3 + 5);
            } else {
                title.drawString(URLCodeUtil.encodeParam(mallEntityGood.getName()), 20, (H_title) / 3 + 5);
            }
            // 获取商品所参加的活动
            Graphics activity = image.createGraphics();
            activity.setColor(Color.red);
            Font activityFont = new Font("微软雅黑", Font.PLAIN, 34);
            activity.setFont(activityFont);
            // 普通动态活动
            List<ActivityUnroutine> activityUnroutineList = activityUnroutineService.queryActivityListById(goodId);
            // 拼团活动(根据用户等级判断是否享有拼团价拼团活动)
            ActivityBulk activityBulk = activityBulkService.queeryActivityBulkByGoodInfo(goodId, groupId);
            // 价格处理
            DecimalFormat df = new DecimalFormat("0.00");
            // 时间处理
            SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");

            if (activityBulk != null) {
                Member member = memberService.selectByPrimaryKey(memberId);
                // 用户等级Id
                Long gradeId = member.getGradeId();
                if (activityBulk.getUserGradeList().equals("-1")) {
                    // 用户等级列表 其全部会员等级为-1时 皆可以参与分享拼图活动 分享图文拼图
                    String activityName = activityBulk.getActivityName();// 拼团活动名称
                    Date endTime = activityBulk.getEndTime();            // 拼图活动结束时间
                    ActivityBulkGoodDetail activityBulkGoodDetail = activityBulkGoodDetailService.queryGoodInfo(activityBulk.getId(), goodId);
                    Long amount = activityBulkGoodDetail.getAmount();    // 拼团价
                    // 商品存在拼图活动的话 拼团活动优先 (拼团活动名排布)
                    ptMethod(H_activity, H_tip, tip_2_top, activity, df, format, activityName, endTime, amount,image);

                } else if (activityBulk.getUserGradeList().contains(String.valueOf(gradeId))) {
                    String activityName = activityBulk.getActivityName();// 拼团活动名称
                    Date endTime = activityBulk.getEndTime();            // 拼图活动结束时间
                    ActivityBulkGoodDetail activityBulkGoodDetail = activityBulkGoodDetailService.queryGoodInfo(activityBulk.getId(), goodId);
                    Long amount = activityBulkGoodDetail.getAmount();    // 拼团价
                    ptMethod(H_activity, H_tip, tip_2_top, activity, df, format, activityName, endTime, amount,image);

                }
            } else {
                // 商品没有参与拼团活动 那么查询时候有参与普通的动态活动
                if (activityUnroutineList != null) {
                    for (int i = 0; i < activityUnroutineList.size(); i++) {
                        if (StringUtils.isNotEmpty(activityUnroutineList.get(i).getActivityName())) {
                            String activityNames = activityUnroutineList.get(i).getActivityName();
                            if (activityNames.length() > 20) {
                                activity.drawString("活动:" + URLDecoder.decode(activityNames, "UTF-8").substring(0, 21) + "...", 20, (H_activity) / 2 + 30);
                            } else {
                                activity.drawString("活动:" + URLDecoder.decode(activityNames, "UTF-8"), 20, (H_activity) / 2 + 30);
                            }
                            break;
                        }
                    }
                } else {
                    String activityName = "";
                    activity.drawString(activityName, 20, (H_activity) / 2);
                }
                // 会员价排布
                Graphics2D tip = image.createGraphics();
                tip.setColor(Color.red);
                Font tipFont = new Font("微软雅黑", Font.PLAIN, 56);
                tip.setFont(tipFont);
                // 查询该商品时候含有规格--若有去规格的最小价格显示
                List<MallEntityGoodSpec> mallEntityGoodSpecs = mallEntityGoodSpecService.selectByGoodId(goodId);
                if (mallEntityGoodSpecs.size() != 0) {
                    List<Integer> pirceList = new ArrayList<>();
                    for (MallEntityGoodSpec mallEntityGoodSpec : mallEntityGoodSpecs) {
                        // 取出所有规格的会员价冒泡排序
                        pirceList.add(mallEntityGoodSpec.getPrice());
                    }
                    int temp = 0;
                    for (int j = 0; j < pirceList.size(); j++) {
                        int minprice = pirceList.get(0);
                        Integer pirce = pirceList.get(j);
                        if (pirce < minprice) {
                            temp = minprice;
                            minprice = pirce;
                            pirce = temp;
                        }
                        tip.drawString("¥" + df.format((float) minprice / 100), 250, tip_2_top + (H_tip) / 2 - 40);
                    }
                } else {
                    tip.drawString("¥" + df.format((float) mallEntityGood.getPromotionPrice() / 100), 250, tip_2_top + (H_tip) / 2 - 40);
                }
                // 会员分享图片插入
                Graphics mainPic3 = image.getGraphics();
                BufferedImage bimg3 = null;
                String imgurl3 = "http://ebank007.oss-cn-hangzhou.aliyuncs.com/background/20180802190802Zoa43H.jpg";
                // String imgurl3="http://ebank007.oss-cn-hangzhou.aliyuncs.com/20180731173813D9PJ9Q.jpg";
                bimg3 = ImageIO.read(new URL(imgurl3).openStream());
                int width = bimg3.getWidth();
                int height = bimg3.getHeight();
                // 图片距离随价格长度的增加而增加(价格长度每增加1+图片x轴位移+25)
                int priceLength = df.format(mallEntityGood.getPromotionPrice() / 100).length();
                int priceSize = 3;
                int pictureWidth = 380;
                int clength = (priceLength - priceSize) * 31;
                int addPictureWidth = pictureWidth + clength;
                mainPic3.drawImage(bimg3, addPictureWidth, tip_2_top + (H_tip) / 2 - 85, width, height - 5, null);
                mainPic3.dispose();
            }
            //***********************插入中间广告图
            Graphics mainPic = image.getGraphics();
            BufferedImage bimg = null;
            // 获取商品图片
            if (mallEntityGood.getPicture() != null) {
                String[] picture = mallEntityGood.getPicture().trim().split(",");
                for (int i = 0; i < picture.length; i++) {
                    if (picture[i].trim().length() > 0) {
                        bimg = ImageIO.read(new URL(picture[i]).openStream());
                        mainPic.drawImage(bimg, 0, H_title, imageWidth, H_mainPic, null);
                        mainPic.dispose();
                        break;
                    }
                }
            }
            // 原价排布
            Font btnFont2 = new Font("微软雅黑", Font.PLAIN, 30);
            Graphics2D btn2 = image.createGraphics();
            btn2.setColor(Color.black);
            btn2.setFont(btnFont2);
            String salePrice = "原价";
            btn2.drawString(URLDecoder.decode(salePrice, "UTF-8") + ": ¥" + df.format(mallEntityGood.getSalePrice() / 100), 250, tip_2_top + (H_tip) / 2 + 20);
            int proLength = df.format(mallEntityGood.getSalePrice() / 100).length();
            int proSize = 3;
            String logSign = "----------";
            String str = "";
            for (int i = 0; i < proLength - proSize; i++) {
                str += "--";
            }
            btn2.drawString(logSign + str, 250, tip_2_top + (H_tip) / 2 + 20);
            // 确定二维码所在的位置
            Graphics2D tip1 = image.createGraphics();
            tip1.setColor(Color.black);
            Font tipFont2 = new Font("微软雅黑", Font.PLAIN, 28);
            tip1.setFont(tipFont2);
            String ccLog = "长按识别二维码";
            tip1.drawString("[" + URLDecoder.decode(ccLog, "UTF-8") + "]", 20, tip_2_top + (H_tip) / 2 + 130);
            //  用户分享链接二维码
            String shareGoodQRcode = HOME_URL + "/api/oAuth2/goodDetailShare?gid=" + goodId + "&" + "memberid=" + memberId + "&" + "groupId=" + groupId;
            int qrcode_height = 210;
            int qrcode_width = 210;
            BufferedImage imageQR = createImage1(shareGoodQRcode, qrcode_width, qrcode_height,image);
            //  确定二维码在图中的位置
            Graphics mainPic1 = image.getGraphics();
            if (image != null) {
                // 二维码插入图片
                mainPic1.drawImage(imageQR, 20, tip_2_top + 30, qrcode_width, qrcode_height, null);
                mainPic1.dispose();
            }
            // 开始二维码图片与主图合成
                //QR
            int widthQR = imageQR.getWidth();
            int heightQR = imageQR.getHeight();
            int[] ImageArrayQR = new int[widthQR * heightQR];
            ImageArrayQR = imageQR.getRGB(0,0,widthQR,heightQR,ImageArrayQR,0,widthQR);
                //ZT
            int widthZT = image.getWidth();
            int heightZT = image.getHeight();
            int[] ImageArrayZT = new int[widthZT*heightZT];
            ImageArrayZT =image.getRGB(0,0,widthZT,heightZT,ImageArrayZT,0,widthZT);

            //生成新图片
            BufferedImage ImageNew = new BufferedImage(widthZT,heightZT,BufferedImage.TYPE_INT_RGB);
            ImageNew.setRGB(20,1080,widthQR,heightQR,ImageArrayQR,0,widthQR);//设置左半部分的RGB
            ImageNew.setRGB(0,0,widthZT,heightZT,ImageArrayZT,0,widthZT);//设置右半部分的RGB

            String uuid = UUID.randomUUID().toString().replaceAll("-", "");
            String code = format.format(new Date()) + "-" + uuid;
            fileName =code + ".png";
            createImage(fileName,ImageNew);
           InputStream in = null;
            data = null;
            //读取图片字节数组
            try {
                in = new FileInputStream(fileName);
                data = new byte[in.available()];
                in.read(data);
                in.close();
            } catch (IOException e) {
                e.printStackTrace();
            }


            //对字节数组Base64编码
            encoder = new BASE64Encoder();
            if (StringUtils.isNotEmpty(encoder.encode(data))) {
                shareMallEntityGood.setPictureEncode(encoder.encode(data));
                shareMallEntityGood.setShareGoodQRcode(HOME_URL + "/api/oAuth2/goodDetailShare?gid=" + goodId + "&" + "memberid=" + memberId + "&" + "groupId=" + groupId);
                shareMallEntityGood.setErrorCode(Rescode.SUCCESS);
                shareMallEntityGood.setErrorMsg("图片生成成功");
            } else {
                shareMallEntityGood.setErrorCode(Rescode.FAIL);
                shareMallEntityGood.setErrorMsg("操作失败");
            }
        } catch (Exception e) {
            e.printStackTrace();
            throw new Exception("处理异常");
        } finally {
            // 删除内存中的图片
            // File file = new File(uuid + ".png");
            delectFile(fileName);
            File f = new File(fileName);
            f.delete();
            System.out.println("+_____________________________________++");
            System.out.println(new File(fileName).exists());
            fileOn(fileName);
        }
        return shareMallEntityGood;
    }

    private void ptMethod(int h_activity, int h_tip, int tip_2_top, Graphics activity, DecimalFormat df, SimpleDateFormat format, String activityName, Date endTime, Long amount, BufferedImage image) throws IOException {
        // 拼团活动名排布
        if (StringUtils.isNotEmpty(activityName)) {
            if (activityName.length() > 20) {
                activity.drawString("活动:" + URLDecoder.decode(activityName, "UTF-8").substring(0, 21) + "...", 20, (h_activity) / 2 + 30);
            } else {
                activity.drawString("活动:" + URLDecoder.decode(activityName, "UTF-8"), 22, (h_activity) / 2 + 30);
            }
        }
        // 拼团价排布
        Graphics2D amountPice = image.createGraphics();
        amountPice.setColor(Color.red);
        Font amountFont = new Font("微软雅黑", Font.PLAIN, 56);
        amountPice.setFont(amountFont);
        amountPice.drawString("¥" + df.format(amount / 100), 250, tip_2_top + (h_tip) / 2 - 40);
        // 拼团专享图片的插入
        Graphics mainPic3 = image.getGraphics();
        BufferedImage bimg3;
        // 拼团价图片
        String imgurl3 = "http://ebank007.oss-cn-hangzhou.aliyuncs.com/merchant/201808081327585pL1lD.jpg";
        bimg3 = ImageIO.read(new URL(imgurl3).openStream());
        int width = bimg3.getWidth();
        int height = bimg3.getHeight();
        // 图片距离随价格长度的增加而增加(价格长度每增加1+图片x轴位移+25)
        int priceLength = df.format(amount / 100).length();
        int priceSize = 3;
        int pictureWidth = 380;
        int clength = (priceLength - priceSize) * 31;
        int addPictureWidth = pictureWidth + clength;
        mainPic3.drawImage(bimg3, addPictureWidth, tip_2_top + (h_tip) / 2 - 85, width, height - 5, null);
        mainPic3.dispose();
        // 排布测试
       /* Calendar calendar = Calendar.getInstance();
        calendar.setTime(endTime);
        calendar.add(Calendar.DAY_OF_MONTH, +1);//+1今天的时间加一天
        endTime = calendar.getTime();*/
        String time = format.format(endTime);
        Graphics2D pb = image.createGraphics();
        pb.setColor(Color.red);
        Font pbFont = new Font("微软雅黑", Font.PLAIN, 24);
        pb.setFont(pbFont);
        String activityEndTime = "活动截止日期 :  " + time + " (含当天) ";
        pb.drawString(URLDecoder.decode(activityEndTime, "UTF-8"), 250, tip_2_top + (h_tip) / 2 + 70);
    }

    /**
     * 二维码图片的生成
     *
     * @param content       链接
     * @param qrcode_width  二维码宽
     * @param qrcode_height 二维码高
     * @return
     * @throws Exception
     */
    public static BufferedImage createImage1(String content, int qrcode_width, int qrcode_height ,BufferedImage image) throws Exception {
        Hashtable<EncodeHintType, Object> hints = new Hashtable<>();
        hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
        hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
        hints.put(EncodeHintType.MARGIN, 1);
        BitMatrix bitMatrix = new MultiFormatWriter().encode(content,
                BarcodeFormat.QR_CODE, qrcode_width, qrcode_height, hints);
        int width = bitMatrix.getWidth();
        int height = bitMatrix.getHeight();
        BufferedImage image2 = new BufferedImage(width, height,
                BufferedImage.TYPE_INT_RGB);
        for (int x = 0; x < width; x++) {
            for (int y = 0; y < height; y++) {
                image2.setRGB(x, y, bitMatrix.get(x, y) ? 0xFF000000
                        : 0xFFFFFFFF);
            }
        }
        return image2;
    }

    //生成图片文件
    @SuppressWarnings("restriction")
    public void createImage(String fileLocation, BufferedImage image) {
        BufferedOutputStream bos = null;
        if (image != null) {
            try {
                FileOutputStream fos = new FileOutputStream(fileLocation);
                bos = new BufferedOutputStream(fos);
//                JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(bos);
//                encoder.encode(image);
                ImageIO.write(image, "png", bos);
                bos.flush();
                image.flush();
                fos.close();
                bos.close();
            } catch (Exception e) {
                e.printStackTrace();
            } finally {
                if (bos != null) {//关闭输出流
                    try {
                        bos.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }
        }
    }

    /**
     * 对文件进行删除操作
     *
     * @param str 文件路径
     */
    public static void delectFile(String str) {
        File f = new File(str);
        f.delete();
    }

    /**
     * 判断文件是否存在
     *
     * @param x 文件中路径
     */
    public static void fileOn(String x) {
        File f = new File(x);
        if (f.exists()) {
            System.out.println("文件" + f.toString() + "还存在！！！！！！！！");
        } else {
            System.out.println("文件" + f.toString() + "已删除！！！！！！！！");
        }
    }

    /**
     * 当前时间+多少天
     */
    public static Date getNextDay(Date date, int sum) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        calendar.add(Calendar.DAY_OF_MONTH, +sum);//+1今天的时间加一天
        date = calendar.getTime();
        return date;
    }