/// <summary>
/// Starts a corruption session
/// </summary>
private void Go()
{
if (!Running)
{
Trace.WriteLine("Go()");
// First time through, setup the Queue. Note that there should ALWAYS be
// at least one element in _settings.list.
if (_queue == null || _queue.Count == 0)
{
Trace.WriteLine("Creating _queue");
_queue = new Queue <TextImagePair>();
foreach (TextImagePair p in _settings.list)
{
Trace.WriteLine(String.Format(" Enqueue {0}, {1}", p.ImageFile, p.TextFile));
_queue.Enqueue(p);
}
}
TextImagePair pair = _queue.Dequeue();
Trace.WriteLine(String.Format("Dequeued pair: {0}, {1}", pair.ImageFile, pair.TextFile));
try
{
Running = true;
// Read the files
CurrentTextFile = pair.TextFile;
CurrentImageFile = pair.ImageFile;
FileCorruptBackgroundWorker.RunWorkerAsync();
}
catch (FileNotFoundException ex)
{
Trace.WriteLine(ex.ToString());
MessageBox.Show(ex.Message);
}
}
else
{
Trace.WriteLine("Go called while already running. Doing nothing.");
}
}
/// <summary>
/// Worker method for the background worker.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void FileCorruptBackgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
Trace.WriteLine("FileCorruptBackgroundWorker_DoWork()");
FileCorruptBackgroundWorkerUserState UserState = new FileCorruptBackgroundWorkerUserState();
int n = 1;
foreach (string word in _wordList)
{
if (FileCorruptBackgroundWorker.CancellationPending)
{
Trace.WriteLine("FileCorruptBackgroundWorker.CancellationPending");
return;
}
//Trace.WriteLine("_corruptionMode: " + _corruptionMode.ToString());
switch (_corruptionMode)
{
case CorruptionMode.Random:
// This will block if needed
CorruptImageBytesRandom(_bytes, word);
break;
case CorruptionMode.Sequential:
// This will block if needed
CorruptImageBytesSequential(_bytes, word);
break;
}
// Render to a bitmap for fast blitting
//Trace.WriteLine("Render to bitmap...");
UserState.Bitmap = PaintBitmap(_bytes);
UserState.Word = word;
int percent = (int)((double)n * 100 / _wordList.Count);
FileCorruptBackgroundWorker.ReportProgress(percent, UserState);
n++;
}
}
/// <summary>
/// Stop a corruption session
/// </summary>
private void Stop()
{
Trace.WriteLine("Stop()");
StopPushed = true;
FileCorruptBackgroundWorker.CancelAsync();
}
