修改图片转换

fill-manager/src/main/java/com/mortals/xhx/common/utils/WordUtil.java

@@ -7,6 +7,7 @@ package com.mortals.xhx.common.utils;
  **/
 
 import com.aspose.words.Document;
+import com.aspose.words.GraphicsQualityOptions;
 import com.aspose.words.ImageSaveOptions;
 import com.aspose.words.SaveFormat;
 import com.mortals.framework.exception.AppException;
@@ -24,6 +25,7 @@ import javax.imageio.stream.ImageInputStream;
 import java.awt.*;
 import java.awt.image.BufferedImage;
 import java.io.*;
+import java.net.URL;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
@@ -92,11 +94,19 @@ public class WordUtil {
             //doc.save(os, SaveFormat.JPEG);
             ImageSaveOptions options = new ImageSaveOptions(SaveFormat.JPEG);
             options.setResolution(256);
+            GraphicsQualityOptions qualityOptions = new GraphicsQualityOptions();
+
+            RenderingHints renderingHints = new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
+
+            qualityOptions.setRenderingHints(renderingHints);
+
+            options.setGraphicsQualityOptions(qualityOptions);
+            options.setJpegQuality(10);
             options.setPrettyFormat(true);
             options.setUseAntiAliasing(true);
             options.setUseHighQualityRendering(true);
             int pageCount = doc.getPageCount();
-            log.info("转换的页数:{}",pageCount);
+            log.info("转换的页数:{}", pageCount);
             List<BufferedImage> imageList = new ArrayList<BufferedImage>();
             for (int i = 0; i < pageCount; i++) {
                 OutputStream output = new ByteArrayOutputStream();
@@ -104,18 +114,19 @@ public class WordUtil {
                 doc.save(output, options);
                 ImageInputStream imageInputStream = ImageIO.createImageInputStream(parse(output));
                 imageList.add(ImageIO.read(imageInputStream));
-                log.info("转换{}页完成！",i);
+                log.info("转换{}页完成！", i);
             }
-            log.info("转换结束，开始拼接图片:{}",pageCount);
-            BufferedImage mergeImage = mergeImage(false, imageList);
+            log.info("转换结束，开始拼接图片:{}", pageCount);
+            //BufferedImage mergeImage = mergeImage(false, imageList);
+            BufferedImage mergeImage = moreToOne(imageList);
 
-           Thumbnails.of(mergeImage)
+            Thumbnails.of(mergeImage)
                     .scale(1f)
-                    .outputQuality(0.5f).toFile(file);
+                    .outputQuality(0.8f).toFile(file);
 
-           // ImageIO.write(mergeImage, "jepg", file);
+            //ImageIO.write(mergeImage, "jepg", file);
             // 转换结束后时间
-/*            doc.save(jpegPath);*/
+            /*            doc.save(jpegPath);*/
             doc.cleanup();
             long now = System.currentTimeMillis();
             log.info("文件转换结束,共耗时：" + ((now - old) / 1000.0) + "秒");
@@ -139,9 +150,6 @@ public class WordUtil {
     }
 
 
-
-
-
     public static void pdfToImages(String filePath, String jpegPath) {
         log.info(String.format("pdf to images文件转换开始：%s", DateUtils.getCurrStrDateTime()));
         // 转换开始前时间
@@ -237,6 +245,62 @@ public class WordUtil {
         return destImage;
     }
 
+    /**
+     * 将多张图片拼接成一张长图
+     *
+     * @return 拼接后的图片BufferedImage
+     */
+    public static BufferedImage moreToOne(List<BufferedImage> imgs) {
+        //传入图片少于1张直接返回
+        int len = imgs.size();
+        if (len < 1) {
+            return null;
+        }
+        //使用一个数组将图片装起来
+        BufferedImage[] bufferedImages = new BufferedImage[len];
+        int[][] imageArrays = new int[len][];
+        for (int i = 0; i < len; i++) {
+            try {
+                //文件地址,可直接转换
+                bufferedImages[i] = Thumbnails.of(imgs.get(i))
+                        //.size(400, 600)
+                        .width(595)
+                        .outputQuality(0.8f)
+                        .asBufferedImage();
+
+            } catch (Exception e) {
+                log.error("图片转换失败", e);
+            }
+            //获取图片宽高
+            int width = bufferedImages[i].getWidth();
+            int height = bufferedImages[i].getHeight();
+            // 从图片中读取RGB
+            imageArrays[i] = new int[width * height];
+            imageArrays[i] = bufferedImages[i].getRGB(0, 0, width, height,
+                    imageArrays[i], 0, width);
+        }
+        //拼接图片的宽高
+        int dstHeight = 0;
+        int dstWidth = bufferedImages[0].getWidth();
+        for (BufferedImage bufferedImage : bufferedImages) {
+            dstWidth = Math.max(dstWidth, bufferedImage.getWidth());
+            dstHeight += bufferedImage.getHeight();
+        }
+        // 生成新图片
+        BufferedImage imageNew = null;
+        try {
+            imageNew = new BufferedImage(dstWidth, dstHeight, BufferedImage.TYPE_INT_RGB);
+            int newHeight = 0;
+            for (int i = 0; i < bufferedImages.length; i++) {
+                imageNew.setRGB(0, newHeight, dstWidth, bufferedImages[i].getHeight(), imageArrays[i], 0, dstWidth);
+                newHeight += bufferedImages[i].getHeight();
+            }
+        } catch (Exception e) {
+            log.error("图片拼接出错", e);
+        }
+        return imageNew;
+    }
+
 
     public static ByteArrayInputStream parse(OutputStream out) throws Exception {
         ByteArrayOutputStream baos = new ByteArrayOutputStream();
@@ -247,7 +311,7 @@ public class WordUtil {
     }
 
     public static void main(String[] args) {
-        String docPath = "E:\\pic\\doc\\3.docx";
+        String docPath = "E:\\pic\\doc\\new.docx";
 
         String jpgPath = "E:\\pic\\doc\\3.jpg";