public async Task <IActionResult> NewPassword([FromBody] PasswordRegister password)
{
if (password == null)
{
return(BadRequest("Non optional fields cannot be empty."));
}
var user = await _repo.GetUser(password.UserId);
if (user == null)
{
ModelState.AddModelError("UserId", "User does not exists.");
}
if (await _repo.PasswordExists(password.Name, password.UserId))
{
ModelState.AddModelError("Name", "Password name already exists in the database.");
}
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
var newPassword = _mapper.Map <Password>(password);
newPassword.Created = DateTime.Now;
newPassword.Updated = DateTime.Now;
await _repo.AddPassword(newPassword, user.UserKey);
if (await _repo.SaveAll())
{
return(StatusCode(201));
}
return(BadRequest());
}
private async void EncodeImage(long initialSeed, byte tap, byte numberOfBits, bool alpha)
{
if (!alpha)
{
Register register = new Register(initialSeed, tap, numberOfBits); // O(1)
long pixelsDone = 0; // UI
Stopwatch watch = new Stopwatch(); //UI
lblTimeTaken.Visible = true; //UI
lblStatus.Text = "Encoding Image...";
watch.Start(); //UI
for (int i = 0; i < ImageHeight; i++) // O(N^2)
{
await Task.Run(() =>
{
for (int j = 0; j < ImageWidth; j++) //O(N^2)
{
ImageMatrix[i, j].red ^= (byte)register.StepK(8); // O(1)
ImageMatrix[i, j].green ^= (byte)register.StepK(8); //O(1)
ImageMatrix[i, j].blue ^= (byte)register.StepK(8); //O(1)
pixelsDone++; // UI
}
}).
ContinueWith((ant) =>
{
//lblStatus.Text = "Encoding " + pixelsDone + " pixels / " + (ImageHeight * ImageWidth) + " pixels : " + ((long)(pixelsDone * 100) / (ImageHeight * ImageWidth))
string te = watch.Elapsed.ToString(@"m\:ss");
lblTimeTaken.Text = "Time Elapsed : " + te;
}
, TaskScheduler.FromCurrentSynchronizationContext());
}
watch.Stop();
string tsOut = watch.Elapsed.ToString(@"m\:ss");
lblTimeTaken.Text = "Time Elapsed : " + tsOut;
lblStatus.Text = "Image Encoded.";
ImageOperations.DisplayImage(ImageMatrix, pictureBox2);
}
else
{
PasswordRegister register = new PasswordRegister(txtInitialSeed.Text, TapPosition); // O(1)
long pixelsDone = 0; // UI
Stopwatch watch = new Stopwatch(); //UI
lblTimeTaken.Visible = true; //UI
lblStatus.Text = "Encoding Image...";
watch.Start(); //UI
for (int i = 0; i < ImageHeight; i++)
{
await Task.Run(() =>
{
for (int j = 0; j < ImageWidth; j++)
{
ImageMatrix[i, j].red ^= (byte)register.StepK(8);
ImageMatrix[i, j].green ^= (byte)register.StepK(8);
ImageMatrix[i, j].blue ^= (byte)register.StepK(8);
pixelsDone++; // UI
}
}).
ContinueWith((ant) =>
{
//lblStatus.Text = "Encoding " + pixelsDone + " pixels / " + (ImageHeight * ImageWidth) + " pixels : " + ((long)(pixelsDone * 100) / (ImageHeight * ImageWidth))
string te = watch.Elapsed.ToString(@"m\:ss");
lblTimeTaken.Text = "Time Elapsed : " + te;
}
, TaskScheduler.FromCurrentSynchronizationContext());
}
watch.Stop();
string tsOut = watch.Elapsed.ToString(@"m\:ss");
lblTimeTaken.Text = "Time Elapsed : " + tsOut;
lblStatus.Text = "Image Encoded.";
ImageOperations.DisplayImage(ImageMatrix, pictureBox2);
}
//ImageColorFrequencies.GenerateFromImage(ImageMatrix);
}
