internal void StartRecognizing(Snapshot snapshot)
{
if (snapshot.Keyboard.IsDark)
{
return;
}
if (Interlocked.CompareExchange(ref RecognizingInProgress, 1, 0) == 1)
{
return;
}
Task.Run(() =>
{
RecognitionResults recognitionResults = new RecognitionResults();
for (int i = 0; i < snapshot.Keyboard.Count; i++)
{
var rl = Recognize(snapshot.Keyboard[i], bot.Database);
recognitionResults.Keyboard.Add(rl);
if (rl.Kind == RecognitionLetterKind.Letter)
{
recognitionResults.UsableLetters.Add(rl.Letter.ToUpper()[0]);
}
}
LastRecognitionResults = recognitionResults;
bot.Vocabulary.StartWordforming(recognitionResults);
RecognizingInProgress = 0;
});
}
internal void SaveUnknownSnapshotLettersIntoDatabase(RecognitionResults recognitionResults)
{
lock (DatabaseLock)
{
foreach (RecognizedLetter letter in recognitionResults.Keyboard.Where(rl => rl.Kind == RecognitionLetterKind.UnknownLetter))
{
Database.Add(new LetterSample(letter.SnapshotLetter));
}
this.SaveDatabase();
}
}