private void Startup()
{
try
{
//Check if ocr engine was passed in. The recognition demos have the ability to launch this demo and it will pass
//the ocr engine it is using. We will default to that engine
string[] commandArgs = Environment.GetCommandLineArgs();
if (commandArgs.Length == 2)
{
Properties.Settings settings = new Properties.Settings();
settings.OcrEngineType = commandArgs[1];
settings.Save();
}
if (!StartUpEngines())
{
Messager.ShowError(this, "One or more required engines did not start. The application will now close.");
this.Close();
return;
}
Messager.Caption = "LEADTOOLS Passport Reader";
_reader = new MRTDReader();
_reader.OcrEngine = ocrEngine;
brush = new SolidBrush(Color.FromArgb(127, Color.Yellow));
pen = new Pen(brush);
}
catch (Exception exp)
{
Messager.ShowError(this, exp);
}
_noneInteractiveMode = new ImageViewerNoneInteractiveMode();
_panInteractiveMode = new ImageViewerPanZoomInteractiveMode();
_panInteractiveMode.MouseButtons = System.Windows.Forms.MouseButtons.Left;
_zoomToInteractiveMode = new ImageViewerZoomToInteractiveMode();
rasterImageViewer1.InteractiveModes.BeginUpdate();
rasterImageViewer1.InteractiveModes.Add(_noneInteractiveMode);
rasterImageViewer1.InteractiveModes.Add(_panInteractiveMode);
rasterImageViewer1.InteractiveModes.Add(_zoomToInteractiveMode);
rasterImageViewer1.PostRender += new EventHandler <ImageViewerRenderEventArgs>(rasterImageViewer1_PostRender);
rasterImageViewer1.InteractiveModes.EndUpdate();
// Load the default document
string defaultDocumentFile = Path.Combine(DemosGlobal.ImagesFolder, "MRZ_SAMPLE.jpg");
if (File.Exists(defaultDocumentFile))
{
OpenImage(defaultDocumentFile);
}
}
private void ShutDownEngines()
{
if (ocrEngine != null && ocrEngine.IsStarted)
{
Properties.Settings settings = new Properties.Settings();
settings.OcrEngineType = ocrEngine.EngineType.ToString();
settings.Save();
ocrEngine.Shutdown();
ocrEngine.Dispose();
}
if (twainSession != null)
{
try
{
twainSession.Shutdown();
}
catch
{ }
}
}
