private void BtnOpen_Click(object sender, RoutedEventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "Midi Files|*.mid";
openFileDialog.Title = "Select a Midi File";
if (openFileDialog.ShowDialog().Value)
{
string filename = openFileDialog.FileName;
//todo: using Dispatcher.Invoke doesn't work
Dispatcher.Invoke(() => { txt.Text += $"File {filename} loading...\r\n"; });
composition = MidiFileReader.Read(filename);
Dispatcher.Invoke(() => { txt.Text += "File loaded.\r\n"; this.UpdateLayout(); });
txt.Text += "Analysing...\r\n";
var allNodes = ChomskyGrammarAnalysis.Reduce(composition.GetVoices(), new List <TwelveToneSet>()
{
TwelveToneSet.majorScale
});
txt.Text += $"Analysis finished!\r\n";
txt.Text += "Post analysis...\r\n";
ChomskyGrammarAnalysis.PostAnalysis(composition.GetVoices());
txt.Text += "Post analysis finished!\r\n";
this.Title = $"{filename} - Music Analysis";
listView.ItemsSource = allNodes;
}
}
private void Test(string filename, int take = int.MaxValue, Fraction?prec = null)
{
var lists = MidiFileReader.Read(filename, prec).GetVoices().Take(take).ToList();
// Save copy
var copy = FlatCopy(lists);
//AssertEqual(lists, copy);
// Perform Chomsky reduction
var allNodes = ChomskyGrammarAnalysis.Reduce(lists, new List <TwelveToneSet>()
{
TwelveToneSet.majorScale
});
AssertEqual(lists, copy);
// At least one diatonic?
//Assert.IsTrue(allNodes.Exists(mpl => mpl.IsDiatonic));
// Post analysis
ChomskyGrammarAnalysis.PostAnalysis(lists);
ChomskyGrammarAnalysis.Print(allNodes);
CheckPostAnalysis(allNodes, lists.Count);
int totalNotesBefore = copy.Sum(list => list.Count);
int totalNotesAfter = allNodes.Sum(list => list.children.Count(imp => imp is NoteWithDuration));
int totalLeafs = allNodes.Sum(list => list.IsLeaf ? 1 : 0);
int totalLeafNotes = allNodes.Sum(list => list.IsLeaf ? list.Count : 0);
Debug.WriteLine(filename);
Debug.WriteLine($"Total notes before: {totalNotesBefore}");
Debug.WriteLine($"Total notes after: {totalNotesAfter}");
Debug.WriteLine($"After/before: {100 * totalNotesAfter / totalNotesBefore}%");
Debug.WriteLine($"Total leaf notes: {totalLeafNotes}");
Debug.WriteLine($"Leaf notes/before: {100 * totalLeafNotes / totalNotesBefore}%");
Debug.WriteLine($"Total leafs: {totalLeafs}");
}
