private void DoTestSetMinutia()
{
using (Fake.CreateScope())
{
// PREPARE:
m_Monitor.Reset();
// Create a random point to update the minutia with
Point setPosition = new Point(
m_Random.Next(MAX_IMAGE_SIZE),
m_Random.Next(MAX_IMAGE_SIZE));
// Copy the minutae before the operation
IEnumerable <MinutiaRecord> minutae = m_ViewModel.Minutae.ToArray();
// Record the input minutia type before the operation
MinutiaType inputType = m_ViewModel.InputMinutiaType;
// EXECUTE:
m_ViewModel.PositionInput(setPosition);
// ASSERT:
Assert.AreEqual(CAPTURE_NO_TEMPLATE, m_ViewModel.Capture);
Assert.AreEqual(inputType, m_ViewModel.InputMinutiaType);
Assert.AreEqual(minutae.Count(), m_ViewModel.Minutae.Count);
Assert.AreEqual((m_ViewModel.Minutae.Count() > 0), m_IViewModel.IsSaveTemplatePermitted);
// Assert that the user is prompted to add a new minutia
IEnumerable <UserActionRequiredEventArgs> userActionEvents = m_Monitor.GetEventResponses <UserActionRequiredEventArgs>("UserActionRequired");
Assert.AreEqual(1, userActionEvents.Count());
Assert.AreEqual(INPUT_MINUTIA_PROMPT, userActionEvents.ElementAt(0).PromptText);
// Assert that no bound properties were changed
Assert.AreEqual(0, m_Monitor.GetEventResponses <PropertyChangedEventArgs>("PropertyChanged").Count());
// Assert previous minuae are unchanged (note Equals has been overridden)
Assert.AreEqual(minutae.Count(), m_ViewModel.Minutae.Count());
CollectionAssert.AreEqual(
minutae.Take(minutae.Count() - 1).ToArray(),
m_ViewModel.Minutae.Take(minutae.Count() - 1).ToArray());
// Assert set minutia properties
Assert.AreEqual(minutae.Last().Position, m_ViewModel.Minutae.Last().Position);
Assert.AreEqual(minutae.Last().Type, m_ViewModel.Minutae.Last().Type);
Assert.AreEqual(inputType, m_ViewModel.Minutae.Last().Type);
Vector direction = (setPosition - minutae.Last().Position);
Assert.AreEqual(
MathsHelper.RadianToDegree(Math.Atan2(direction.Y, direction.X)),
m_ViewModel.Minutae.Last().Angle);
// Assert IDispatcherHelper interaction
AssertNoCallsToDispatcherHelper();
}
}
private void templatingCanvas_MouseUp(object sender, MouseButtonEventArgs e)
{
m_Log.Debug("templatingCanvas_MouseUp(...) called.");
Point scaled_pos = e.GetPosition(sender as IInputElement);
// Account for image scaling
Point pos = scaled_pos.InvScale(Scale);
// Pass the pixels of the image
m_ViewModel.PositionInput(pos);
}