/// <summary>
/// Post image data on server
/// </summary>
/// <param name="image">Image data</param>
/// <param name="type">Image extension type</param>
/// <param name="param">Recognize params</param>
public void PostImage(byte[] image, ImgType type, RecognizeParams param = null)
{
if (image == null || image.Length == 0)
{
throw new ArgumentException("Bad image data");
}
List <KeyValuePair <string, string> > postParams = new List <KeyValuePair <string, string> >();
postParams.Add(new KeyValuePair <string, string>("method", "post"));
postParams.Add(new KeyValuePair <string, string>("key", ACCOUNT_ID));
if (param != null)
{
foreach (var keyValue in param.Params)
{
postParams.Add(keyValue);
}
}
byte[] fbData = BuldFormbasedData(postParams, StreamEncoding.GetString(image), type);
string contentType = "multipart/form-data; boundary=" + _boundary;
RequestParams reqParams = new RequestParams(null, null, contentType, null, true, "POST", StreamEncoding, false);
DownloaderObj obj = new DownloaderObj(_postUri, EndPostImage, true, null, CookieOptions.Empty, 4, null, null, false, 1000, null, reqParams);
obj.PostData = fbData;
Downloader.Queue(obj);
}
private string BuldFileFormStr(string boundary, ImgType imgType, string value)
{
string fs = string.Empty;
fs += "--" + boundary + "\r\n";
fs += "Content-Disposition: form-data; name=\"file\"; filename=\"image.jpeg\"\r\n";
fs += "Content-Type: " + imgType + "\r\n\r\n";
fs += value + "\r\n";
return(fs);
}
/// <summary>
/// Build formbased post data source
/// </summary>
/// <param name="keyValueParams">Recognize params</param>
/// <param name="image">Image data as string</param>
/// <param name="imgType">Image extension type</param>
/// <returns>Formbase data buffer</returns>
private byte[] BuldFormbasedData(List <KeyValuePair <string, string> > keyValueParams, string image, ImgType imgType)
{
StringBuilder formatBasedStr = new StringBuilder();
foreach (var pair in keyValueParams)
{
formatBasedStr.Append(BuldParamFormStr(_boundary, pair.Key, pair.Value));
}
formatBasedStr.Append(BuldFileFormStr(_boundary, imgType, image));
formatBasedStr.AppendFormat("{0}{1}{0}", "--", _boundary);
string final = formatBasedStr.ToString();
return(StreamEncoding.GetBytes(formatBasedStr.ToString()));
}
private string BuldFileFormStr(string boundary, ImgType imgType, string value)
{
string fs = string.Empty;
fs += "--" + boundary + "\r\n";
fs += "Content-Disposition: form-data; name=\"file\"; filename=\"image.jpeg\"\r\n";
fs += "Content-Type: " + imgType + "\r\n\r\n";
fs += value + "\r\n";
return fs;
}
/// <summary>
/// Post image data on server
/// </summary>
/// <param name="image">Image data</param>
/// <param name="type">Image extension type</param>
/// <param name="param">Recognize params</param>
public void PostImage(byte[] image, ImgType type, RecognizeParams param = null)
{
if (image == null || image.Length == 0)
throw new ArgumentException("Bad image data");
List<KeyValuePair<string, string>> postParams = new List<KeyValuePair<string, string>>();
postParams.Add(new KeyValuePair<string, string>("method", "post"));
postParams.Add(new KeyValuePair<string, string>("key", ACCOUNT_ID));
if (param!=null)
{
foreach (var keyValue in param.Params)
{
postParams.Add(keyValue);
}
}
byte[] fbData = BuldFormbasedData(postParams, StreamEncoding.GetString(image), type);
string contentType = "multipart/form-data; boundary=" + _boundary;
RequestParams reqParams = new RequestParams(null, null, contentType, null, true, "POST", StreamEncoding, false);
DownloaderObj obj = new DownloaderObj(_postUri, EndPostImage, true, null, CookieOptions.Empty, 4, null, null, false, 1000, null, reqParams);
obj.PostData = fbData;
Downloader.Queue(obj);
}
/// <summary>
/// Build formbased post data source
/// </summary>
/// <param name="keyValueParams">Recognize params</param>
/// <param name="image">Image data as string</param>
/// <param name="imgType">Image extension type</param>
/// <returns>Formbase data buffer</returns>
private byte[] BuldFormbasedData(List<KeyValuePair<string, string>> keyValueParams, string image, ImgType imgType)
{
StringBuilder formatBasedStr = new StringBuilder();
foreach (var pair in keyValueParams)
{
formatBasedStr.Append(BuldParamFormStr(_boundary, pair.Key, pair.Value));
}
formatBasedStr.Append(BuldFileFormStr(_boundary, imgType, image));
formatBasedStr.AppendFormat("{0}{1}{0}", "--", _boundary);
string final = formatBasedStr.ToString();
return StreamEncoding.GetBytes(formatBasedStr.ToString());
}
