12.6每日总结

今天进行了软件构造的实验二，

实验二：百度图像增强与特效SDK实验（2023.12.6日完成）

任务一：下载配置百度图像增强与特效的Java相关库及环境（占10%）。

任务二：了解百度图像增强与特效相关功能并进行总结（占20%）。

任务三：完成图像增强GUI相关功能代码并测试调用，要求上传自己的模糊照片进行图像增强（占30%）。

任务四：完成图像特效GUI相关功能代码并测试调用，要求上传自己的照片进行图像特效（占30%）。

实验总结：（占10%）

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package Vfx;
 
import okhttp3.*;
import org.json.JSONObject;
 
import javax.imageio.ImageIO;
import javax.swing.*;
import javax.swing.filechooser.FileNameExtensionFilter;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
 
public class Enhance {
 
    public static final String API_KEY = "azh8NUHqQ6xfYxsycMj5064k";
    public static final String SECRET_KEY = "RCrBgDCGT0gA0H0XuHHf8POXX5ExAi4G";
 
    static final OkHttpClient HTTP_CLIENT = new OkHttpClient().newBuilder().build();
    static String accessToken;
 
    public static void main(String[] args) {
        JFrame frame = new JFrame("Image Processing");
        frame.setSize(800, 500);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 
        JLabel imageLabel = new JLabel();
        imageLabel.setBounds(0, 100, 300, 300);
 
        JLabel enhancedImageLabel = new JLabel();
        enhancedImageLabel.setBounds(350, 100, 300, 300);
 
        JButton addButton = new JButton("添加图片");
        JButton enhanceButton = new JButton("图像清晰度增强");
 
        addButton.setBounds(50, 50, 150, 30);
        enhanceButton.setBounds(400, 50, 150, 30);
 
        addButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                JFileChooser fileChooser = new JFileChooser();
                FileNameExtensionFilter filter = new FileNameExtensionFilter("Image Files", "jpg", "jpeg", "png", "gif");
                fileChooser.setFileFilter(filter);
 
                int result = fileChooser.showOpenDialog(null);
                if (result == JFileChooser.APPROVE_OPTION) {
                    File selectedFile = fileChooser.getSelectedFile();
                    String imagePath = selectedFile.getAbsolutePath();
 
                    // 显示选择的图片并缩放大小
                    ImageIcon imageIcon = new ImageIcon(imagePath);
                    Image originalImage = imageIcon.getImage();
                    int originalWidth = originalImage.getWidth(null);
                    int originalHeight = originalImage.getHeight(null);
 
                    int newWidth = 300;
                    int newHeight = (int) (originalHeight * ((double) newWidth / originalWidth));
 
                    Image scaledImage = originalImage.getScaledInstance(newWidth, newHeight, Image.SCALE_DEFAULT);
                    ImageIcon scaledImageIcon = new ImageIcon(scaledImage);
                    imageLabel.setIcon(scaledImageIcon);
                }
            }
        });
 
 
        enhanceButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                // 图像清晰度增强按钮点击事件处理逻辑
                try {
                    if (accessToken == null) {
                        accessToken = getAccessToken();
                    }
                    byte[] enhancedImageData = enhanceImage(accessToken);
                    // 显示增强后的图片并进行缩放
                    ImageIcon enhancedImageIcon = new ImageIcon(enhancedImageData);
                    Image enhancedImage = enhancedImageIcon.getImage();
                    int enhancedWidth = enhancedImage.getWidth(null);
                    int enhancedHeight = enhancedImage.getHeight(null);
 
                    int newWidth = 300;
                    int newHeight = (int) (enhancedHeight * ((double) newWidth / enhancedWidth));
 
                    Image scaledEnhancedImage = enhancedImage.getScaledInstance(newWidth, newHeight, Image.SCALE_DEFAULT);
                    ImageIcon scaledEnhancedImageIcon = new ImageIcon(scaledEnhancedImage);
                    enhancedImageLabel.setIcon(scaledEnhancedImageIcon);
                } catch (IOException ex) {
                    ex.printStackTrace();
                }
            }
 
        });
 
 
        frame.add(imageLabel);
        frame.add(enhancedImageLabel);
        frame.add(addButton);
        frame.add(enhanceButton);
        frame.setLayout(null);
        frame.setVisible(true);
    }
 
    /**
     * 调用百度API对图像进行清晰度增强
     *
     * @param accessToken 鉴权签名（Access Token）
     * @return 增强后的图片数据
     * @throws IOException IO异常
     */
    static byte[] enhanceImage(String accessToken) throws IOException {
        MediaType mediaType = MediaType.parse("application/x-www-form-urlencoded");
        RequestBody body = RequestBody.create(mediaType, "");
        Request request = new Request.Builder()
                .url("https://aip.baidubce.com/rest/2.0/image-process/v1/image_definition_enhance?access_token=" + accessToken)
                .method("POST", body)
                .addHeader("Content-Type", "application/x-www-form-urlencoded")
                .addHeader("Accept", "application/json")
                .build();
        Response response = HTTP_CLIENT.newCall(request).execute();
 
        byte[] enhancedImageData = response.body().bytes();
        response.close();
 
        return enhancedImageData;
    }
 
    /**
     * 从用户的AK，SK生成鉴权签名（Access Token）
     *
     * @return 鉴权签名（Access Token）
     * @throws IOException IO异常
     */
    static String getAccessToken() throws IOException {
        MediaType mediaType = MediaType.parse("application/x-www-form-urlencoded");
        RequestBody body = RequestBody.create(mediaType, "grant_type=client_credentials&client_id=" + API_KEY
                + "&client_secret=" + SECRET_KEY);
        Request request = new Request.Builder()
                .url("https://aip.baidubce.com/oauth/2.0/token")
                .method("POST", body)
                .addHeader("Content-Type", "application/x-www-form-urlencoded")
                .build();
        Response response = HTTP_CLIENT.newCall(request).execute();
        return new JSONObject(response.body().string()).getString("access_token");
    }
}