/// <summary>
/// Method to verify the common parameters that are sent with every request to the service. This method also double checks to make sure that the LEADTOOLS license is set appropriately.
/// </summary>
internal bool VerifyCommonParameters(LeadWebRequest request)
{
try
{
if (request == null)
{
throw new Exception();
}
//Passing a last page value of -1 indicates that we want to process every page in the file.
if ((request.FirstPage > request.LastPage && request.LastPage != -1) || request.FirstPage < 1)
{
throw new Exception();
}
if (!DemoConfiguration.UnlockSupport())
{
throw new RasterException("Your license file is missing, invalid or expired. LEADTOOLS will not function. Please contact LEAD Sales for information on obtaining a valid license");
}
return(true);
}
catch (RasterException)
{
throw;
}
catch
{
return(false);
}
}
/// <summary>
/// Method to create and initialize the LEAD OCR engine.
/// </summary>
static internal IOcrEngine InitEngine()
{
DemoConfiguration.UnlockSupport();
IOcrEngine engine = OcrEngineManager.CreateEngine(OcrEngineType.LEAD, false);
if (string.IsNullOrWhiteSpace(DemoConfiguration.OCREnginePath))
{
engine.Startup(null, null, null, null);
}
else
{
engine.Startup(null, null, null, DemoConfiguration.OCREnginePath);
}
return(engine);
}