public static async Task <HttpResponseMessage> Run([HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = "Conversion/ConvertToDocument")] HttpRequestMessage req, TraceWriter log, ExecutionContext context)
{
try
{
if (!DemoConfiguration.UnlockSupport(log))
{
return(GenerateErrorMessage(ApiError.LicenseNotSet, req));
}
var leadParameterObject = ParseLeadWebRequestParameters(req);
if (!leadParameterObject.Successful)
{
return(GenerateErrorMessage(ApiError.InvalidRequest, req));
}
var convertToDocuemntParameterObject = ParseConvertToDocumentParameters(req);
if (!convertToDocuemntParameterObject.Successful)
{
return(GenerateErrorMessage(ApiError.InvalidRequest, req));
}
var imageReturn = await GetImageStreamAsync(leadParameterObject.LeadWebRequest.fileUrl, req, DemoConfiguration.MaxUrlMbs);
if (!imageReturn.Successful)
{
return(GenerateErrorMessage(imageReturn.ErrorType.Value, req));
}
using (imageReturn.Stream)
{
LoadDocumentOptions options = new LoadDocumentOptions()
{
FirstPageNumber = leadParameterObject.LeadWebRequest.FirstPage,
LastPageNumber = leadParameterObject.LeadWebRequest.LastPage
};
ConversionEngine engine = new ConversionEngine
{
OcrEngine = GetOcrEngine(),
Preprocess = false,
UseThreads = false
};
var filenamelist = engine.Convert(imageReturn.Stream, options, RasterImageFormat.Unknown, convertToDocuemntParameterObject.OutputFormat);
var returnRequest = req.CreateResponse(HttpStatusCode.OK);
returnRequest.Content = new StringContent(JsonConvert.SerializeObject(filenamelist));
return(returnRequest);
}
}
catch (Exception ex)
{
log.Error($"API Error occurred for request: {context.InvocationId} \n Details: {JsonConvert.SerializeObject(ex)}");
return(GenerateErrorMessage(ApiError.InternalServerError, req));
}
}
public static async Task <HttpResponseMessage> Run([HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = "Recognition/ExtractCheck")] HttpRequestMessage req, TraceWriter log, ExecutionContext context)
{
try
{
if (!DemoConfiguration.UnlockSupport(log))
{
return(GenerateErrorMessage(ApiError.LicenseNotSet, req));
}
var leadParameterObject = ParseLeadWebRequestParameters(req);
if (!leadParameterObject.Successful)
{
return(GenerateErrorMessage(ApiError.InvalidRequest, req));
}
var imageReturn = await GetImageStreamAsync(leadParameterObject.LeadWebRequest.fileUrl, req, DemoConfiguration.MaxUrlMbs);
if (!imageReturn.Successful)
{
return(GenerateErrorMessage(imageReturn.ErrorType.Value, req));
}
using (imageReturn.Stream)
{
LoadDocumentOptions options = new LoadDocumentOptions()
{
FirstPageNumber = leadParameterObject.LeadWebRequest.FirstPage,
LastPageNumber = leadParameterObject.LeadWebRequest.LastPage
};
RecognitionEngine recognitionEngine = new RecognitionEngine
{
WorkingDirectory = Path.GetTempPath(),
OcrEngine = GetOcrEngine()
};
var micrResults = recognitionEngine.ExtractMicr(imageReturn.Stream, options, BankCheckMicrFontType.Unknown);
var returnRequest = req.CreateResponse(HttpStatusCode.OK);
returnRequest.Content = new StringContent(JsonConvert.SerializeObject(micrResults));
return(returnRequest);
}
}
catch (Exception ex)
{
log.Error($"API Error occurred for request: {context.InvocationId} \n Details: {JsonConvert.SerializeObject(ex)}");
return(GenerateErrorMessage(ApiError.InternalServerError, req));
}
}
public static async Task <HttpResponseMessage> Run([HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = "Recognition/ExtractAllBarcodes")] HttpRequestMessage req, TraceWriter log, ExecutionContext context)
{
try
{
if (!DemoConfiguration.UnlockSupport(log))
{
return(GenerateErrorMessage(ApiError.LicenseNotSet, req));
}
var leadParameterObject = ParseLeadWebRequestParameters(req);
if (!leadParameterObject.Successful)
{
return(GenerateErrorMessage(ApiError.InvalidRequest, req));
}
var barcodeList = ExtractBarcodeSymbologies(req);
if (barcodeList.Count == 0)
{
return(GenerateErrorMessage(ApiError.InvalidRequest, req));
}
var imageReturn = await GetImageStreamAsync(leadParameterObject.LeadWebRequest.fileUrl, req, DemoConfiguration.MaxUrlMbs);
if (!imageReturn.Successful)
{
return(GenerateErrorMessage(imageReturn.ErrorType.Value, req));
}
using (imageReturn.Stream)
{
LoadDocumentOptions options = new LoadDocumentOptions()
{
FirstPageNumber = leadParameterObject.LeadWebRequest.FirstPage,
LastPageNumber = leadParameterObject.LeadWebRequest.LastPage
};
RecognitionEngine recognitionEngine = new RecognitionEngine();
recognitionEngine.WorkingDirectory = Path.GetTempPath();
BarcodeEngine barcodeEngine = new BarcodeEngine();
var barcodeResults = recognitionEngine.ExtractBarcode(imageReturn.Stream, options, barcodeEngine, barcodeList.ToArray(), 0, true);
List <BarcodeResultData> results = new List <BarcodeResultData>();
foreach (var pageBarcodeData in barcodeResults)
{
foreach (var d in pageBarcodeData.BarcodeData)
{
if (d != null && d.Value != null)
{
var rect = new Rectangle(d.Bounds.X, d.Bounds.Y, d.Bounds.Width, d.Bounds.Height);
results.Add(new BarcodeResultData(pageBarcodeData.PageNumber, d.Symbology.ToString(), d.Value, rect, d.RotationAngle));
}
}
}
var returnRequest = req.CreateResponse(HttpStatusCode.OK);
returnRequest.Content = new StringContent(JsonConvert.SerializeObject(results));
return(returnRequest);
}
}
catch (Exception ex)
{
log.Error($"API Error occurred for request: {context.InvocationId} \n Details: {JsonConvert.SerializeObject(ex)}");
return(GenerateErrorMessage(ApiError.InternalServerError, req));
}
}
public static async Task <HttpResponseMessage> Run([HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = "Recognition/ExtractText")] HttpRequestMessage req, TraceWriter log, ExecutionContext context)
{
try
{
if (!DemoConfiguration.UnlockSupport(log))
{
return(GenerateErrorMessage(ApiError.LicenseNotSet, req));
}
var leadParameterObject = ParseLeadWebRequestParameters(req);
if (!leadParameterObject.Successful)
{
return(GenerateErrorMessage(ApiError.InvalidRequest, req));
}
var imageReturn = await GetImageStreamAsync(leadParameterObject.LeadWebRequest.fileUrl, req, DemoConfiguration.MaxUrlMbs);
if (!imageReturn.Successful)
{
return(GenerateErrorMessage(imageReturn.ErrorType.Value, req));
}
using (imageReturn.Stream)
{
LoadDocumentOptions options = new LoadDocumentOptions()
{
FirstPageNumber = leadParameterObject.LeadWebRequest.FirstPage,
LastPageNumber = leadParameterObject.LeadWebRequest.LastPage
};
RecognitionEngine recognitionEngine = new RecognitionEngine
{
WorkingDirectory = Path.GetTempPath(),
OcrEngine = GetOcrEngine()
};
var documentPageText = recognitionEngine.ExtractText(imageReturn.Stream, options);
List <ExtractTextData> PageDataList = new List <ExtractTextData>();
int currentPage = options.FirstPageNumber;
foreach (var page in documentPageText)
{
for (int i = 0; i < page.Words.Count; i++)
{
var word = page.Words[i];
word.Bounds = word.Bounds.ToLeadRect().ToLeadRectD();
page.Words[i] = word;
}
for (int i = 0; i < page.Characters.Count; i++)
{
var character = page.Characters[i];
character.Bounds = character.Bounds.ToLeadRect().ToLeadRectD();
page.Characters[i] = character;
}
ExtractTextData pageData = new ExtractTextData
{
PageNumber = currentPage,
PageText = page.Text,
Words = page.Words,
Characters = page.Characters
};
PageDataList.Add(pageData);
currentPage++;
}
using (var ms = new MemoryStream())
{
using (TextWriter tw = new StreamWriter(ms))
{
tw.Write(JsonConvert.SerializeObject(PageDataList));
tw.Flush();
ms.Position = 0;
Guid id = Guid.NewGuid();
string baseName = $"ExtractText-{id}.json";
var blobUri = UploadFileToBlobStorage(ms, baseName);
var returnRequest = req.CreateResponse(HttpStatusCode.OK);
returnRequest.Content = new StringContent(JsonConvert.SerializeObject(blobUri));
return(returnRequest);
}
}
}
}
catch (Exception ex)
{
log.Error($"API Error occurred for request: {context.InvocationId} \n Details: {JsonConvert.SerializeObject(ex)}");
return(GenerateErrorMessage(ApiError.InternalServerError, req));
}
}
