通用影像編輯-萬相2.1

// Copyright (c) Alibaba, Inc. and its affiliates.

import com.alibaba.dashscope.aigc.imagesynthesis.ImageSynthesis;
import com.alibaba.dashscope.aigc.imagesynthesis.ImageSynthesisParam;
import com.alibaba.dashscope.aigc.imagesynthesis.ImageSynthesisResult;
import com.alibaba.dashscope.exception.ApiException;
import com.alibaba.dashscope.exception.NoApiKeyException;
import com.alibaba.dashscope.utils.JsonUtils;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Base64;
import java.util.HashMap;
import java.util.Map;

/**
 * 環境要求
 *      dashscope java SDK >=2.20.9
 * 更新maven依賴:
 *      https://mvnrepository.com/artifact/com.alibaba/dashscope-sdk-java
 */

public class ImageEditSync {

    // 若沒有配置環境變數，請用百鍊API Key將下行替換為：apiKey="sk-xxx"
    static String apiKey = System.getenv("DASHSCOPE_API_KEY");

    /**
     * 映像輸入方式說明：三選一即可
     *
     * 1. 使用公網URL - 適合已有公開可訪問的圖片
     * 2. 使用本地檔案 - 適合本地開發測試
     * 3. 使用Base64編碼 - 適合私人圖片或需要加密傳輸的情境
     */

    //【方式一】公網URL
    static String maskImageUrl = "http://wanx.alicdn.com/material/20250318/description_edit_with_mask_3_mask.png";
    static String baseImageUrl = "http://wanx.alicdn.com/material/20250318/description_edit_with_mask_3.jpeg";

    //【方式二】本地檔案路徑（file://+絕對路徑 or file:///+絕對路徑）
    // static String maskImageUrl = "file://" + "/your/path/to/mask_image.png";    // Linux/macOS
    // static String baseImageUrl = "file:///" + "C:/your/path/to/base_image.png";  // Windows

    //【方式三】Base64編碼
    // static String maskImageUrl = encodeFile("/your/path/to/mask_image.png");
    // static String baseImageUrl = encodeFile("/your/path/to/base_image.png");

    public static void syncCall() {
        // 設定parameters參數
        Map<String, Object> parameters = new HashMap<>();
        parameters.put("prompt_extend", true);

        ImageSynthesisParam param =
                ImageSynthesisParam.builder()
                        .apiKey(apiKey)
                        .model("wanx2.1-imageedit")
                        .function(ImageSynthesis.ImageEditFunction.DESCRIPTION_EDIT_WITH_MASK)
                        .prompt("陶瓷兔子拿著陶瓷小花")
                        .maskImageUrl(maskImageUrl)
                        .baseImageUrl(baseImageUrl)
                        .n(1)
                        .size("1024*1024")
                        .parameters(parameters)
                        .build();

        ImageSynthesis imageSynthesis = new ImageSynthesis();
        ImageSynthesisResult result = null;
        try {
            System.out.println("---sync call, please wait a moment----");
            result = imageSynthesis.call(param);
        } catch (ApiException | NoApiKeyException e){
            throw new RuntimeException(e.getMessage());
        }
        System.out.println(JsonUtils.toJson(result));
    }

    /**
     * 將檔案編碼為Base64字串
     * @param filePath 檔案路徑
     * @return Base64字串，格式為 data:{MIME_type};base64,{base64_data}
     */
    public static String encodeFile(String filePath) {
        Path path = Paths.get(filePath);
        if (!Files.exists(path)) {
            throw new IllegalArgumentException("檔案不存在: " + filePath);
        }
        // 檢測MIME類型
        String mimeType = null;
        try {
            mimeType = Files.probeContentType(path);
        } catch (IOException e) {
            throw new IllegalArgumentException("無法檢測檔案類型: " + filePath);
        }
        if (mimeType == null || !mimeType.startsWith("image/")) {
            throw new IllegalArgumentException("不支援或無法識別的映像格式");
        }
        // 讀取檔案內容並編碼
        byte[] fileBytes = null;
        try{
            fileBytes = Files.readAllBytes(path);
        } catch (IOException e) {
            throw new IllegalArgumentException("無法讀取檔案內容: " + filePath);
        }

        String encodedString = Base64.getEncoder().encodeToString(fileBytes);
        return "data:" + mimeType + ";base64," + encodedString;
    }

    public static void main(String[] args) {
        syncCall();
    }
}