import com.drew.imaging.ImageMetadataReader;
import com.drew.imaging.ImageProcessingException;
import com.drew.metadata.Directory;
import com.drew.metadata.Metadata;
import com.drew.metadata.Tag;
import com.drew.metadata.exif.ExifSubIFDDirectory;

import java.awt.image.BufferedImage;
import java.io.File;
import javax.imageio.ImageIO;
import javax.imageio.ImageReader;
import javax.imageio.stream.ImageInputStream;
import java.io.File;
import java.io.IOException;
import java.util.Date;

public class JpmTest {

    public void viewExif(String filePath) throws ImageProcessingException, IOException {
        File jpegFile = new File(filePath);
        Metadata metadata = ImageMetadataReader.readMetadata(jpegFile);
        // 打印所有Tag
        for (Directory directory : metadata.getDirectories()) {
            for (Tag tag : directory.getTags()) {
                System.out.println(tag);
            }
        }
        // obtain the Exif directory
        ExifSubIFDDirectory directory = metadata.getFirstDirectoryOfType(ExifSubIFDDirectory.class);

        // 查询特定Tag：拍摄日期（OS X上叫内容创建时间）
        Date date = directory.getDate(ExifSubIFDDirectory.TAG_DATETIME_ORIGINAL);
    }
    public static void main(String[] args) throws ImageProcessingException, IOException {
//        File file = new File("C:\\Users\\zhanghai\\Documents\\WeChat Files\\wxid_wexo4ubjorso22\\FileStorage\\File\\2023-11\\JP2/16-35数转模 - 0001.jp2");
//        ImageInfo imageInfo = Imaging.getImageInfo(file);
//        int height = imageInfo.getHeight();
//        int width = imageInfo.getWidth();
//        int physicalHeightDpi = imageInfo.getPhysicalHeightDpi();


        String filePath = "C:\\Users\\zhanghai\\Documents\\WeChat Files\\wxid_wexo4ubjorso22\\FileStorage\\File\\2023-11\\JP2/16-35数转模 - 0001.jp2"; // 替换成你的 JP2 图像文件路径

        try {
            // 读取 JPEG 2000 图像文件
            File inputFile = new File(filePath);
            BufferedImage image = ImageIO.read(inputFile);
//            ImageInfo imageInfo = Imaging.getImageInfo(inputFile);
            int height = image.getHeight();
            int width = image.getWidth();
//            int physicalHeightDpi = image.getPhysicalHeightDpi();
            System.out.println(height);
            System.out.println(width);


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

        new JpmTest().viewExif(filePath);
    }

//    public static void main3(String[] args) {
//
//        String filePath = "C:\\Users\\zhanghai\\Documents\\WeChat Files\\wxid_wexo4ubjorso22\\FileStorage\\File\\2023-11\\JP2/16-35数转模 - 0001.jp2"; // 替换成你的 JP2 图像文件路径
//        try {
//            File inputFile = new File(filePath);
//
//            Metadata metadata = ImageMetadataReader.readMetadata(inputFile);
//            ExifIFD0Directory exifIFD0Directory = metadata.getFirstDirectoryOfType(ExifIFD0Directory.class);
//
//            if (exifIFD0Directory != null) {
//                // Get X and Y DPI values
//                int xDpi = exifIFD0Directory.getInt(ExifIFD0Directory.TAG_X_RESOLUTION);
//                int yDpi = exifIFD0Directory.getInt(ExifIFD0Directory.TAG_Y_RESOLUTION);
//
//                System.out.println("X DPI: " + xDpi);
//                System.out.println("Y DPI: " + yDpi);
//            } else {
//                System.out.println("DPI information not found in the metadata.");
//            }
//
//        } catch (Exception e) {
//            e.printStackTrace();
//        }
//    }
}