public static string ProcessDocument(string user_name, string license_code, string file_path)
{
string ocrResult = "";
string ocrURL = @"http://www.ocrwebservice.com/restservices/processDocument?language=danish&gettext=true";
byte[] uploadData = GetUploadedFile(file_path);
HttpWebRequest request = CreateHttpRequest(ocrURL, user_name, license_code, "POST");
request.ContentLength = uploadData.Length;
// Send request
using (Stream post = request.GetRequestStream())
{
post.Write(uploadData, 0, (int)uploadData.Length);
}
try
{
// Get response
using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
{
// Parse JSON response
string strJSON = new StreamReader(response.GetResponseStream()).ReadToEnd();
OCRResponseData ocrResponse = JsonConvert.DeserializeObject <OCRResponseData>(strJSON);
ocrResult = PrintOCRData(ocrResponse);
// Download output converted file
if (!string.IsNullOrEmpty(ocrResponse.OutputFileUrl))
{
HttpWebRequest request_get = (HttpWebRequest)WebRequest.Create(ocrResponse.OutputFileUrl);
request_get.Method = "GET";
using (HttpWebResponse result = request_get.GetResponse() as HttpWebResponse)
{
DownloadConvertedFile(result, "C:\\converted_file.doc");
}
}
}
}
catch (WebException wex)
{
Console.WriteLine(string.Format("OCR API Error. HTTPCode:{0}", ((HttpWebResponse)wex.Response).StatusCode));
}
return(ocrResult);
}
private static string PrintOCRData(OCRResponseData ocrResponse)
{
string result = "";
// Available pages
//Console.WriteLine("Available pages: " + ocrResponse.AvailablePages);
// Extracted text. For zonal OCR: OCRText[z][p] z - zone, p - pages
for (int zone = 0; zone < ocrResponse.OCRText.Count; zone++)
{
for (int page = 0; page < ocrResponse.OCRText[zone].Count; page++)
{
//Console.WriteLine(string.Format("Extracted text from page №{0}, zone №{1} :{2}", page, zone, ocrResponse.OCRText[zone][page]));
result += ocrResponse.OCRText[zone][page];
}
}
return(result);
}
