文档首页> 数据安全中心 DSC> API参考> API说明> 图片水印> 提取图片中的图片暗水印
更新时间:2023-11-29 GMT+08:00
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提取图片中的图片暗水印

功能介绍

对已嵌入图片暗水印的图片进行水印提取,用户以formData的格式传入待提取水印的图片,DSC服务以图片二进制流的格式返回从图片里提取的出的图片暗水印。目前支持的图片格式为:*.jpg, *.jpeg, *.jpe, *.png, *.bmp, *.dib, *.rle, *.tiff, *.tif, *.ppm, *.webp, *.tga, *.tpic, *.gif。

调用方法

请参见如何调用API

URI

POST /v1/{project_id}/image/watermark/extract-image

表1 路径参数

参数

是否必选

参数类型

描述

project_id

String

项目ID

请求参数

表2 请求Header参数

参数

是否必选

参数类型

描述

X-Auth-Token

String

用户Token。通过调用IAM服务“获取用户Token接口”获取(响应消息头中X-Subject-Token的值)

表3 FormData参数

参数

是否必选

参数类型

描述

file

File

待提取暗水印的图片文件。

响应参数

状态码: 400

表4 响应Body参数

参数

参数类型

描述

error_code

String

错误码

error_msg

String

错误信息

请求示例

提取test.PNG图片中的图片暗水印。

通过form表单提交,file为具体文件。

POST /v1/{project_id}/image/watermark/extract-image HTTP/1.1

{
  "file" : "test.PNG"
}

响应示例

状态码: 200

请求成功

"{\"image\"}"

状态码: 400

无效请求

{
  "error_code" : "DSC.00000007 ",
  "error_msg" : "File format error"
}

SDK代码示例

SDK代码示例如下。

提取test.PNG图片中的图片暗水印。

通过form表单提交,file为具体文件。

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package com.huaweicloud.sdk.test;

import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.BasicCredentials;
import com.huaweicloud.sdk.core.exception.ConnectionException;
import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
import com.huaweicloud.sdk.core.exception.ServiceResponseException;
import com.huaweicloud.sdk.dsc.v1.region.DscRegion;
import com.huaweicloud.sdk.dsc.v1.*;
import com.huaweicloud.sdk.dsc.v1.model.*;


public class ShowImageWatermarkWithImageSolution {

    public static void main(String[] args) {
        // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
        // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
        String ak = System.getenv("CLOUD_SDK_AK");
        String sk = System.getenv("CLOUD_SDK_SK");

        ICredential auth = new BasicCredentials()
                .withAk(ak)
                .withSk(sk);

        DscClient client = DscClient.newBuilder()
                .withCredential(auth)
                .withRegion(DscRegion.valueOf("cn-north-4"))
                .build();
        ShowImageWatermarkWithImageRequest request = new ShowImageWatermarkWithImageRequest();
        ShowImageWatermarkWithImageRequestBody bodybody = new ShowImageWatermarkWithImageRequestBody();
        bodybody.withFile("test.PNG");
        body.withBody(bodybody);
        request.withBody(listbodyBody);
        try {
            ShowImageWatermarkWithImageResponse response = client.showImageWatermarkWithImage(request);
            System.out.println(response.toString());
        } catch (ConnectionException e) {
            e.printStackTrace();
        } catch (RequestTimeoutException e) {
            e.printStackTrace();
        } catch (ServiceResponseException e) {
            e.printStackTrace();
            System.out.println(e.getHttpStatusCode());
            System.out.println(e.getRequestId());
            System.out.println(e.getErrorCode());
            System.out.println(e.getErrorMsg());
        }
    }
}

提取test.PNG图片中的图片暗水印。

通过form表单提交,file为具体文件。

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# coding: utf-8

from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkdsc.v1.region.dsc_region import DscRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkdsc.v1 import *

if __name__ == "__main__":
    # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak = os.getenv("CLOUD_SDK_AK")
    sk = os.getenv("CLOUD_SDK_SK")

    credentials = BasicCredentials(ak, sk) \

    client = DscClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(DscRegion.value_of("cn-north-4")) \
        .build()

    try:
        request = ShowImageWatermarkWithImageRequest()
        bodybody = ShowImageWatermarkWithImageRequestBody(
            file="test.PNG"
        )
        request.body = listBodybody
        response = client.show_image_watermark_with_image(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

提取test.PNG图片中的图片暗水印。

通过form表单提交,file为具体文件。

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    dsc "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dsc/v1"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dsc/v1/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dsc/v1/region"
)

func main() {
    // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak := os.Getenv("CLOUD_SDK_AK")
    sk := os.Getenv("CLOUD_SDK_SK")

    auth := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        Build()

    client := dsc.NewDscClient(
        dsc.DscClientBuilder().
            WithRegion(region.ValueOf("cn-north-4")).
            WithCredential(auth).
            Build())

    request := &model.ShowImageWatermarkWithImageRequest{}
	bodybody := &model.ShowImageWatermarkWithImageRequestBody{
		File: "test.PNG",
	}
	request.Body = listBodybody
	response, err := client.ShowImageWatermarkWithImage(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

更多编程语言的SDK代码示例,请参见API Explorer的代码示例页签,可生成自动对应的SDK代码示例。

状态码

状态码

描述

200

请求成功

400

无效请求

错误码

请参见错误码

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