public async Task <ActionResult> Index()
{
if (Request.HttpMethod == "GET")
{
return(View());
}
var model = new HandwritingModel();
HandwritingRecognitionOperation op = null;
await RunOperationOnImage(async stream =>
{
op = await VisionServiceClient.CreateHandwritingRecognitionOperationAsync(stream);
});
while (true)
{
await Task.Delay(5000);
var result = await VisionServiceClient.GetHandwritingRecognitionOperationResultAsync(op);
if (result.Status == HandwritingRecognitionOperationStatus.NotStarted ||
result.Status == HandwritingRecognitionOperationStatus.Running)
{
continue;
}
model.Result = result.RecognitionResult;
break;
}
model.ImageDump = GetInlineImageWithLines(model.Result);
return(View(model));
}
public async Task <ActionResult> Index(HttpPostedFileBase file)
{
if (Request.HttpMethod == "GET")
{
return(View());
}
var model = new HandwritingModel();
HandwritingRecognitionOperation op = null;
await RunOperationOnImage(async stream =>
{
op = await VisionServiceClient.CreateHandwritingRecognitionOperationAsync(stream);
});
while (true)
{
await Task.Delay(5000);
var result = await VisionServiceClient.GetHandwritingRecognitionOperationResultAsync(op);
if (result.Status == HandwritingRecognitionOperationStatus.NotStarted ||
result.Status == HandwritingRecognitionOperationStatus.Running)
{
continue;
}
model.Result = result.RecognitionResult;
break;
}
model.ImageDump = GetInlineImageWithLines(model.Result);
if (file != null && file.ContentLength > 0)
{
if (!file.ContentType.StartsWith("image"))
{
TempData["Message"] = "Only image files may be uploaded";
}
else
{
try
{
CloudStorageAccount account = CloudStorageAccount.Parse(ConfigurationManager.AppSettings["StorageConnectionString"]);
CloudBlobClient client = account.CreateCloudBlobClient();
CloudBlobContainer container = client.GetContainerReference("pictures");
CloudBlockBlob photo = container.GetBlockBlobReference(Path.GetFileName(file.FileName));
await photo.UploadFromStreamAsync(file.InputStream);
using (var outputStream = new MemoryStream())
{
file.InputStream.Seek(0L, SeekOrigin.Begin);
var settings = new ResizeSettings {
MaxWidth = 192
};
ImageBuilder.Current.Build(file.InputStream, outputStream, settings);
outputStream.Seek(0L, SeekOrigin.Begin);
container = client.GetContainerReference("pictures");
CloudBlockBlob thumbnail = container.GetBlockBlobReference(Path.GetFileName(file.FileName));
await thumbnail.UploadFromStreamAsync(outputStream);
}
}
catch (Exception ex)
{
// In case something goes wrong
TempData["Message"] = ex.Message;
}
}
}
return(View(model));
}
