在Java Swing中从原始文件生成HiDPI ImageIcon

import javax.imageio.ImageIO;
import javax.swing.ImageIcon;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

public class HiDPIImageIconGenerator {
    public static ImageIcon generateHiDPIImageIcon(String filePath, int targetWidth, int targetHeight) {
        try {
            // 加载原始图像
            BufferedImage originalImage = ImageIO.read(new File(filePath));

            // 缩放图像
            Image scaledImage = originalImage.getScaledInstance(targetWidth, targetHeight, Image.SCALE_SMOOTH);

            // 创建HiDPI ImageIcon
            return new ImageIcon(scaledImage);
        } catch (IOException e) {
            e.printStackTrace();
        }

        return null;
    }

    public static void main(String[] args) {
        String filePath = "path/to/original/image.jpg";
        int targetWidth = 200;
        int targetHeight = 200;

        ImageIcon hiDPIIcon = generateHiDPIImageIcon(filePath, targetWidth, targetHeight);

        // 使用生成的HiDPI ImageIcon进行后续操作
        // ...
    }
}