【无标题】unity人脸融合API Face++_unity 人脸融合

Face++融合时融合是整体的 例如你戴眼镜 模板图不带眼睛 融合后就是戴眼镜的 融合上传的图片可以是文件流也可以是Base64

     private const string KEY = "XP9kdJPbF-4UugXEDr*********R";
    private const string SECRET = "T5mccUDL6GHc-gR**********";
    private const string URL = "https://api-cn.faceplusplus.com/imagepp/v1/mergeface";
      Dictionary<string, object> verifyPostParameters = new Dictionary<string, object>();
        verifyPostParameters.Add("api_key", KEY);
        verifyPostParameters.Add("api_secret", SECRET);
           //添加模板图片参数
        verifyPostParameters.Add("template_file", new HttpHelper4MultipartForm.FileParameter(Texture2DToBytes(template), "1.jpg", "application/octet-stream"));
        //   verifyPostParameters.Add("template_file",base64);

        //添加合并图片参数
        verifyPostParameters.Add("merge_file", new HttpHelper4MultipartForm.FileParameter(Texture2DToBytes(merget), "2.jpg", "application/octet-stream"));
           //   verifyPostParameters.Add(""merge_file"",base64);

        //添加融合比例参数
        merge_rate = gameManager.config.mergeRate;
        verifyPostParameters.Add("merge_rate", merge_rate.ToString());

        //添加五官融合比例
        feature_rate = gameManager.config.featureRate;
        verifyPostParameters.Add("feature_rate", feature_rate.ToString());

        HttpWebResponse verifyResponse = HttpHelper4MultipartForm.MultipartFormDataPost(URL, "", verifyPostParameters);
         using (StreamReader reader = new StreamReader(verifyResponse.GetResponseStream(), System.Text.Encoding.UTF8))
        {
        //返回值处理
            A a = JsonUtility.FromJson<A>(reader.ReadToEnd());

            Debug.Log(a.time_used);

            byte[] b;
            Texture2D temp;
            if (string.IsNullOrEmpty(a.result))
            {
                //如果返回的纹理是null,则使用模版纹理
                temp = template;

                Debug.Log("没有检测到人，使用模版纹理。");
            }
            else
            {
                //如果返回的纹理非null，则使用返回纹理
                b = Convert.FromBase64String(a.result);
                temp = new Texture2D(0, 0);
                temp.LoadImage(b);
                temp.Apply();

                Debug.Log("检测到人，使用返回纹理。");
            }

         
           
        }

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中间使用了HttpHelper4MultipartForm函数

using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Net.Security;
using System.Security.Cryptography.X509Certificates;
using System.Text;
using System.Threading;

namespace MgLiveCOM_Eyes
{
    public static class HttpHelper4MultipartForm
    {
        public class FileParameter
        {
            public byte[] File
            {
                get;
                set;
            }

            public string FileName
            {
                get;
                set;
            }

            public string ContentType
            {
                get;
                set;
            }

            public FileParameter(byte[] file) : this(file, null)
            {
            }

            public FileParameter(byte[] file, string filename) : this(file, filename, null)
            {
            }

            public FileParameter(byte[] file, string filename, string contenttype)
            {
                this.File = file;
                this.FileName = filename;
                this.ContentType = contenttype;
            }
        }
        private static readonly Encoding encoding = Encoding.UTF8;
        /// <summary>
        /// MultipartForm请求
        /// </summary>
        /// <param name="postUrl">服务地址</param>
        /// <param name="userAgent"></param>
        /// <param name="postParameters">参数</param>
        /// <returns></returns>
        public static HttpWebResponse MultipartFormDataPost(string postUrl, string userAgent, Dictionary<string, object> postParameters)
        {
            string text = string.Format("----------{0:N}", Guid.NewGuid());
            string contentType = "multipart/form-data; boundary=" + text;//multipart类型
            byte[] multipartFormData = HttpHelper4MultipartForm.GetMultipartFormData(postParameters, text);
            return HttpHelper4MultipartForm.PostForm(postUrl, userAgent, contentType, multipartFormData);
        }

        private static HttpWebResponse PostForm(string postUrl, string userAgent, string contentType, byte[] formData)
        {
            HttpWebRequest httpWebRequest = WebRequest.Create(postUrl) as HttpWebRequest;
            if (httpWebRequest == null)
            {
                throw new NullReferenceException("request is not a http request");
            }

            httpWebRequest.Method = "POST";//post方式
            httpWebRequest.SendChunked = false;
            httpWebRequest.KeepAlive = true;
            httpWebRequest.Proxy = null;
            httpWebRequest.Timeout = Timeout.Infinite;
            httpWebRequest.ReadWriteTimeout = Timeout.Infinite;
            httpWebRequest.AllowWriteStreamBuffering = false;
            httpWebRequest.ProtocolVersion = HttpVersion.Version11;
            httpWebRequest.ContentType = contentType;
            httpWebRequest.CookieContainer = new CookieContainer();
            httpWebRequest.ContentLength = (long)formData.Length;

            try
            {
                using (Stream requestStream = httpWebRequest.GetRequestStream())
                {
                    int bufferSize = 4096;
                    int position = 0;
                    while (position < formData.Length)
                    {
                        bufferSize = Math.Min(bufferSize, formData.Length - position);
                        byte[] data = new byte[bufferSize];
                        Array.Copy(formData, position, data, 0, bufferSize);
                        requestStream.Write(data, 0, data.Length);
                        position += data.Length;
                    }
                    requestStream.Close();
                }
            }
            catch (Exception ex)
            {
                return null;
            }

            HttpWebResponse result;
            try
            {
                result = (httpWebRequest.GetResponse() as HttpWebResponse);
            }
            catch (WebException arg_9C_0)
            {
                result = (arg_9C_0.Response as HttpWebResponse);
            }
            return result;
        }

        public static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)
        {
            return true;
        }
        /// <summary>
        /// 从表单中获取数据
        /// </summary>
        /// <param name="postParameters"></param>
        /// <param name="boundary"></param>
        /// <returns></returns>
        private static byte[] GetMultipartFormData(Dictionary<string, object> postParameters, string boundary)
        {
            Stream stream = new MemoryStream();
            bool flag = false;
            foreach (KeyValuePair<string, object> current in postParameters)
            {
                if (flag)
                {
                    stream.Write(HttpHelper4MultipartForm.encoding.GetBytes("\r\n"), 0, HttpHelper4MultipartForm.encoding.GetByteCount("\r\n"));
                }
                flag = true;
                if (current.Value is HttpHelper4MultipartForm.FileParameter)
                {
                    HttpHelper4MultipartForm.FileParameter fileParameter = (HttpHelper4MultipartForm.FileParameter)current.Value;
                    string s = string.Format("--{0}\r\nContent-Disposition: form-data; name=\"{1}\"; filename=\"{2}\"\r\nContent-Type: {3}\r\n\r\n", new object[]
                    {
                        boundary,
                        current.Key,
                        fileParameter.FileName ?? current.Key,
                        fileParameter.ContentType ?? "application/octet-stream"
                    });
                    stream.Write(HttpHelper4MultipartForm.encoding.GetBytes(s), 0, HttpHelper4MultipartForm.encoding.GetByteCount(s));
                    stream.Write(fileParameter.File, 0, fileParameter.File.Length);
                }
                else
                {
                    string s2 = string.Format("--{0}\r\nContent-Disposition: form-data; name=\"{1}\"\r\n\r\n{2}", boundary, current.Key, current.Value);
                    stream.Write(HttpHelper4MultipartForm.encoding.GetBytes(s2), 0, HttpHelper4MultipartForm.encoding.GetByteCount(s2));
                }
            }
            string s3 = "\r\n--" + boundary + "--\r\n";
            stream.Write(HttpHelper4MultipartForm.encoding.GetBytes(s3), 0, HttpHelper4MultipartForm.encoding.GetByteCount(s3));
            stream.Position = 0L;
            byte[] array = new byte[stream.Length];
            stream.Read(array, 0, array.Length);
            stream.Close();
            return array;
        }
    }
}
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