public string Process(string imagePath, ProcessingSettings settings)
{
string result = null;
setProgress(5);
setStep("Uploading image...");
OcrSdkTask task = restClient.ProcessImage(imagePath, settings);
setProgress(70);
setStep("Processing...");
task = waitForTask(task);
if (task.Status == TaskStatus.Completed)
{
Console.WriteLine("Processing completed.");
result = restClient.DownloadUrl(task.DownloadUrls[0]);
setStep("Download completed.");
}
else if (task.Status == TaskStatus.NotEnoughCredits)
{
throw new Exception("Not enough credits to process the file. Please add more pages to your application balance.");
}
else
{
throw new Exception("Error while processing the task");
}
setProgress(100);
return(result);
}
/// <summary>
/// Upload a file to service synchronously and start processing
/// </summary>
/// <param name="filePath">Path to an image to process</param>
/// <param name="settings">Language and output format</param>
/// <returns>Id of the task. Check task status to see if you have enough units to process the task</returns>
/// <exception cref="ProcessingErrorException">thrown when something goes wrong</exception>
public OcrSdkTask ProcessImage(string filePath, ProcessingSettings settings)
{
string url = String.Format("{0}processReceipt?{1}", ServerUrl, settings.AsUrlParams);
try
{
// Build post request
WebRequest request = createPostRequest(url);
writeFileToRequest(filePath, request);
XDocument response = performRequest(request);
OcrSdkTask task = ServerXml.GetTaskStatus(response);
return(task);
}
catch (System.Net.WebException e)
{
String friendlyMessage = retrieveFriendlyMessage(e);
if (friendlyMessage != null)
{
throw new ProcessingErrorException(friendlyMessage, e);
}
throw new ProcessingErrorException("Cannot upload file", e);
}
}
public string Process( string imagePath, ProcessingSettings settings )
{
string result = null;
setProgress( 5 );
setStep( "Uploading image..." );
OcrSdkTask task = restClient.ProcessImage(imagePath, settings);
setProgress( 70 );
setStep("Processing...");
task = waitForTask(task);
if (task.Status == TaskStatus.Completed)
{
Console.WriteLine("Processing completed.");
result = restClient.DownloadUrl(task.DownloadUrls[0]);
setStep("Download completed.");
}
else if (task.Status == TaskStatus.NotEnoughCredits)
{
throw new Exception("Not enough credits to process the file. Please add more pages to your application balance.");
}
else
{
throw new Exception("Error while processing the task");
}
setProgress( 100 );
return result;
}
private void startRecognition_Click( object sender, EventArgs e )
{
try {
sourceDataSplitContainer.Enabled = false;
resultSplitContainer.Enabled = false;
ProgressBarForm progress = new ProgressBarForm( this );
try {
processor.StepChangedAction = progress.ShowMessage;
processor.ProgressChangedAction = progress.ShowProgress;
ProcessingSettings settings = new ProcessingSettings();
settings.Country = (CountryOfOrigin)receiptCountries[countryComboBox.Text];
settings.TreatAsPhoto = treatAsPhotoCheckBox.Checked;
string result = processor.Process( imageFileTextBox.Text, settings );
receiptPictureBox.Image = sourceFilePictureBox.Image;
if( !String.IsNullOrEmpty( result ) ) {
fillReceiptFields( result );
}
resultSplitContainer.Panel1Collapsed = true;
//refreshGraphics();
showReceipt();
} finally {
processor.ProgressChangedAction = null;
processor.StepChangedAction = null;
progress.EndProgress();
}
} catch( Exception exception ) {
MessageBox.Show( this, exception.Message, this.Text, MessageBoxButtons.OK, MessageBoxIcon.Error );
} finally {
sourceDataSplitContainer.Enabled = true;
resultSplitContainer.Enabled = true;
}
}
private bool initDefaults()
{
try {
activeFieldColor = Color.FromArgb( 50, Color.Blue );
initReceiptCountries();
fillCountryComboBox();
processor = new Processor();
ProcessingSettings defaultSettings = new ProcessingSettings();
countryComboBox.Text = "USA";
treatAsPhotoCheckBox.Checked = defaultSettings.TreatAsPhoto;
showPrompt( "Select image file and country, then click \"Start Recognition\"", Color.Black );
imageFileTextBox.Select();
} catch( Exception exception ) {
MessageBox.Show( this, exception.Message, this.Text, MessageBoxButtons.OK, MessageBoxIcon.Error );
return false;
}
return true;
}
