public override Task <string> OCRProcessAsync(Bitmap img)
{
try
{
Process p = Process.Start(new ProcessStartInfo()
{
FileName = path,
Arguments = "- - " + args,
UseShellExecute = false,
CreateNoWindow = true,
RedirectStandardInput = true,
RedirectStandardOutput = true,
RedirectStandardError = true,
StandardOutputEncoding = Encoding.UTF8
});
var imgdata = ImageProcFunc.Image2Bytes(img);
p.StandardInput.BaseStream.Write(imgdata, 0, imgdata.Length);
p.StandardInput.Close();
p.WaitForExit();
string err = p.StandardError.ReadToEnd();
if (err.ToLower().Contains("error"))
{
errorInfo = err;
return(Task.FromResult <string>(null));
}
string result = p.StandardOutput.ReadToEnd();
p.Dispose();
return(Task.FromResult(result));
}
catch (Exception ex)
{
errorInfo = ex.Message;
return(Task.FromResult <string>(null));
}
}
public override async Task <string> OCRProcessAsync(Bitmap img)
{
if (img == null || langCode == null || langCode == "")
{
errorInfo = "Param Missing";
return(null);
}
byte[] imgdata = ImageProcFunc.Image2Bytes(img);
// 计算sign
MD5 md5 = MD5.Create();
var ms = new MemoryStream();
var sw = new StreamWriter(ms);
sw.Write(appId);
sw.Write(BitConverter.ToString(md5.ComputeHash(imgdata)).Replace("-", "").ToLower());
sw.Write(salt);
sw.Write("APICUIDmac");
sw.Write(secretKey);
sw.Flush();
string sign = BitConverter.ToString(md5.ComputeHash(ms.ToArray())).Replace("-", "").ToLower();
sw.Close();
md5.Dispose();
string endpoint = "https://fanyi-api.baidu.com/api/trans/sdk/picture?cuid=APICUID&mac=mac&salt=" + salt + "&appid=" + appId + "&sign=" + sign + "&to=zh&from=" + langCode;
HttpWebRequest request = WebRequest.CreateHttp(endpoint);
request.Method = "POST";
request.Timeout = 8000;
request.UserAgent = "MisakaTranslator";
const string boundary = "boundary";
request.ContentType = "multipart/form-data;boundary=" + boundary;
var rsw = new StreamWriter(request.GetRequestStream());
rsw.WriteLine("--" + boundary);
rsw.WriteLine("Content-Disposition: form-data;name=image;filename=data.png");
rsw.WriteLine("Content-Type: application/octet-stream");
rsw.WriteLine("Content-Transfer-Encoding: binary\r\n");
rsw.Flush();
rsw.BaseStream.Write(imgdata, 0, imgdata.Length);
rsw.WriteLine("\r\n--" + boundary + "--");
rsw.Close();
try
{
using (var resp = await request.GetResponseAsync())
{
string retStr = new StreamReader(resp.GetResponseStream()).ReadToEnd();
var result = JsonConvert.DeserializeObject <Result>(retStr);
if (result.error_code == "0")
{
return(result.data.sumDst);
}
else
{
errorInfo = result.error_code + " " + result.error_msg;
return(null);
}
}
}
catch (WebException ex)
{
errorInfo = ex.Message;
return(null);
}
}