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+package com.fs.hospital580.util;
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+
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+import cn.hutool.core.util.ObjectUtil;
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+import cn.hutool.json.JSONObject;
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+import cn.hutool.json.JSONUtil;
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+import com.fs.common.core.redis.RedisCache;
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+import com.fs.common.utils.AbsolutePosition;
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+import com.fs.system.oss.CloudStorageService;
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+import com.fs.system.oss.OSSFactory;
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+import com.fs.system.service.ISysConfigService;
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+import net.coobird.thumbnailator.Thumbnails;
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+import net.coobird.thumbnailator.geometry.Positions;
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+import org.springframework.beans.factory.annotation.Autowired;
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+import org.springframework.stereotype.Component;
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+
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+import javax.imageio.ImageIO;
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+import java.awt.image.BufferedImage;
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+import java.io.ByteArrayOutputStream;
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+import java.io.InputStream;
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+import java.net.URL;
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+import java.util.concurrent.TimeUnit;
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+
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+@Component
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+public class ThumbnailatorWatermark {
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+
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+ @Autowired
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+ private RedisCache redisCache;
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+
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+ @Autowired
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+ private ISysConfigService configService;
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+
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+
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+ public String addWatermarkToNetworkImage(Long preId, Integer orderStatus, String signUrl) {
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+ try {
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+ // 处方原图
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+ String imageUrl = redisCache.getCacheObject("prescription:dstFilePath:" + preId);
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+ if (ObjectUtil.isEmpty(imageUrl)) {
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+ return null;
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+ }
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+ // 水印图片
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+ String watermarkURLJson = configService.selectConfigByKey("his.prescription.url");
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+ JSONObject jsonObject = JSONUtil.parseObj(watermarkURLJson);
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+
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+ // 读取原图片
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+ URL url = new URL(imageUrl);
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+ InputStream inputStream = url.openStream();
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+ String watermarkImageUrl = "";
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+ switch (orderStatus) {
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+ // 代付款
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+ case 1:
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+ watermarkImageUrl = jsonObject.getStr("start");
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+ break;
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+ // 退款
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+ case 3:
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+ watermarkImageUrl = jsonObject.getStr("end");
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+ break;
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+ // 已支付
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+ default:
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+ watermarkImageUrl = jsonObject.getStr("ing");
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+ break;
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+ }
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+ // 读取水印图片
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+ URL watermarkURL = new URL(watermarkImageUrl);
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+ InputStream watermarkInputStream = watermarkURL.openStream();
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+ BufferedImage watermarkImage = ImageIO.read(watermarkInputStream);
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+ // 缩放水印
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+ // 2. 计算并缩放水印图尺寸 (例如：缩放到原图宽度的1/8)
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+ int newWatermarkWidth = watermarkImage.getWidth() / 8;
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+ // 按水印图原比例计算高度
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+ int newWatermarkHeight = (int) ((double) newWatermarkWidth / watermarkImage.getWidth() * watermarkImage.getHeight());
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+ BufferedImage scaledWatermark = Thumbnails.of(watermarkImage)
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+ .size(newWatermarkWidth, newWatermarkHeight)
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+ .asBufferedImage();
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+
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+ ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
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+ if (ObjectUtil.isNotEmpty(signUrl)) {
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+ // 创建签名图片
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+ URL watermarkURL2 = new URL(signUrl);
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+ InputStream watermarkInputStream2 = watermarkURL2.openStream();
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+ BufferedImage signatureImage = ImageIO.read(watermarkInputStream2);
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+ // 缩放水印
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+ // 2. 计算并缩放水印图尺寸 (例如：缩放到原图宽度的1/4)
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+ int newWatermarkWidth2 = signatureImage.getWidth() / 8;
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+ // 按水印图原比例计算高度
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+ int newWatermarkHeight2 = (int) ((double) newWatermarkWidth2 / signatureImage.getWidth() * signatureImage.getHeight());
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+ BufferedImage scaledWatermark2 = Thumbnails.of(signatureImage)
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+ .size(newWatermarkWidth2, newWatermarkHeight2)
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+ .asBufferedImage();
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+
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+ // 使用Thumbnailator处理并输出到字节数组
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+ Thumbnails.of(inputStream)
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+ .scale(1)
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+ .watermark(Positions.TOP_RIGHT, scaledWatermark, 0.5f)
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+ .watermark(
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+ new AbsolutePosition(800, 1300), // 使用自定义坐标位置
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+ scaledWatermark2,
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+ 1f // 透明度
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+ )
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+ .outputQuality(0.9)
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+ .outputFormat("jpg")
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+ .toOutputStream(outputStream);
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+ } else {
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+ Thumbnails.of(inputStream)
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+ .scale(1)
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+ .watermark(Positions.TOP_RIGHT, scaledWatermark, 0.5f)
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+ .outputQuality(0.9)
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+ .outputFormat("jpg")
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+ .toOutputStream(outputStream);
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+ }
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+
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+
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+ inputStream.close();
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+ // 处方图片阶段
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+ redisCache.setCacheObject("prescription:dstFilePath:phase" + preId, orderStatus, 2, TimeUnit.DAYS);
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+ CloudStorageService storage = OSSFactory.build();
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+ return storage.uploadSuffix(outputStream.toByteArray(), ".jpg");
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+ } catch (Exception e) {
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+ System.err.println("添加水印失败: " + e.getMessage());
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+ e.printStackTrace();
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+ return null;
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+ }
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+ }
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+}
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zhangqin