新增2m压缩图，修改喇叭功能，修改面状航线的修改接口

rain

2024-07-29 86384846e317381e7bb9e31ee76760e4ecb3ee67

 src/main/java/com/dji/sample/territory/utils/ImgZipUtil.java

@@ -1,5 +1,7 @@
package com.dji.sample.territory.utils;

import com.dji.sample.media.service.impl.FileServiceImpl;

import javax.imageio.ImageIO;
import javax.imageio.ImageWriteParam;
import javax.imageio.ImageWriter;
@@ -22,7 +24,7 @@
        BufferedImage image = ImageIO.read(inputFile);

        // 计算目标图片的尺寸
        long targetSizeBytes = targetSizeKB * 1024;
        long targetSizeBytes = targetSizeKB * 1024L;
        long originalSizeBytes = getImageSize(image);
        double compressionRatio = (double) targetSizeBytes / originalSizeBytes;
        int targetWidth = (int) (image.getWidth() * Math.sqrt(compressionRatio));
@@ -54,4 +56,39 @@
            return 0;
        }
    }

    /**
     * 图片压缩
     *
     * @param originalImageFile
     * @param compressionQuality 图片压缩质量 0-1
     * @return
     * @throws IOException
     */
    public static File compressImageAndGetFile(File originalImageFile, float compressionQuality) throws IOException {
        BufferedImage originalImage = ImageIO.read(originalImageFile);
        try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
            ImageWriter writer = ImageIO.getImageWritersByFormatName("jpg").next();
            try (ImageOutputStream ios = new MemoryCacheImageOutputStream(baos)) {
                writer.setOutput(ios);
                ImageWriteParam param = writer.getDefaultWriteParam();
                param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
                param.setCompressionQuality(compressionQuality);
                writer.write(null, new javax.imageio.IIOImage(originalImage, null, null), param);
            } finally {
                writer.dispose();
            }
            InputStream in = new ByteArrayInputStream(baos.toByteArray());
            File tempFile = File.createTempFile("compressed-", ".jpg");
            tempFile.deleteOnExit();
            Files.copy(in, tempFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
            return tempFile;
        }
    }

    public static void main(String[] args) throws IOException {
        String name="test/瑞金图片.jpeg";
        File file=compressImageAndGetFile(new File("D:\\ideawork\\used-car\\src\\main\\resources\\DJI_20240712113312_0007_V_航点dkbh2_null.jpeg"),0.5F);
        FileServiceImpl.uploadFile("http://139.196.74.78:9000", "sxkj", "sxkj2024", "cloud-bucket", name, file, "image/jpeg");
    }
}