//TODO: create a method to "fuse" effect buffer and sound buffer to avoid duplicate code
private void effectsAndFiltersToolStripts_Click(object sender, EventArgs e)
{
if (sender is ToolStripMenuItem toolStrip)
{
string[] namespaces = { "Filters", "Effects" };
foreach (var name in namespaces)
{
try {
string windowClassName = String.Format("SignalProcessingUnit.Windows.{0}.{1}Window", name, toolStrip.Text);
var argsWindow = (EffectParametresWindow)Activator.CreateInstance(Type.GetType(windowClassName));
//set the buffer here, from the focused TrackViewer
#region Temporary effect buffer mapping
TrackViewer selectedTrackViewer = TrackViewer.TrackViewers.FirstOrDefault(tv => tv.IsSelected);
if (selectedTrackViewer == null)
{
MessageBox.Show("Please select a sound!");
return;
}
argsWindow.BufferToModify = selectedTrackViewer.HasSelection ? selectedTrackViewer.Selection.Buffer : selectedTrackViewer.File.SoundBuffer;
argsWindow.FileFormat = selectedTrackViewer.File.FileFormat;
var dialogResult = argsWindow.ShowDialog();
if (dialogResult != DialogResult.OK)
{
return;
}
var buffer = argsWindow.ModifiedBuffer;
argsWindow.Dispose();
//mapping
int start = 0, end = 0;
start = selectedTrackViewer.Selection.SelectionRectangle.Value.X * selectedTrackViewer.SamplesPerPixel;
end = (selectedTrackViewer.Selection.SelectionRectangle.Value.X + selectedTrackViewer.Selection.SelectionRectangle.Value.Width) * selectedTrackViewer.SamplesPerPixel;
int index = 0;
for (int i = start; i < end; ++i)
{
selectedTrackViewer.File.SoundBuffer[i] = buffer[index++];
}
//applying the effect
if (selectedTrackViewer.HasSelection)
{
var toLeftOfSelection = selectedTrackViewer.File.SoundBuffer.Slice(0, selectedTrackViewer.Selection.OriginStartPoint).ToList();
toLeftOfSelection.AddRange(buffer);
toLeftOfSelection.AddRange(selectedTrackViewer.File.SoundBuffer.Slice(selectedTrackViewer.Selection.OriginEndPoint, selectedTrackViewer.File.SoundBuffer.Length - selectedTrackViewer.Selection.OriginEndPoint));
selectedTrackViewer.File.SoundBuffer = toLeftOfSelection.ToArray();
}
else
{
selectedTrackViewer.File.SoundBuffer = argsWindow.ModifiedBuffer;
}
selectedTrackViewer.FitToScreen();
selectedTrackViewer.Refresh();
#endregion
break;
} catch (Exception) {}
}
}
}
private void processingMethodsToolStrips_Click(object sender, EventArgs e)
{
if (sender is ToolStripMenuItem toolStrip)
{
string methodName = String.Join("", toolStrip.Text.Split());
string windowClassName = String.Format("SignalProcessingUnit.Windows.Processing.{0}Window", methodName);
try {
var argsWindow = (EffectParametresWindow)Activator.CreateInstance(Type.GetType(windowClassName));
//fill buffer here
var result = argsWindow.ShowDialog();
if (result != DialogResult.OK)
{
return;
}
double[] buffer = argsWindow.ModifiedBuffer;
argsWindow.Dispose();
} catch (Exception) {
//method does not need parametres, like reversing the signal
MethodInfo method = typeof(SoundProcessing).GetMethod(methodName, BindingFlags.Static | BindingFlags.Public);
if (method == null)
{
return;
}
TrackViewer selectedTrackViewer = TrackViewer.TrackViewers.FirstOrDefault(tv => tv.IsSelected);
if (selectedTrackViewer == null)
{
MessageBox.Show("Please select a sound!");
return;
}
double[] buffer = selectedTrackViewer.HasSelection ? selectedTrackViewer.Selection.Buffer : selectedTrackViewer.File.SoundBuffer;
method.Invoke(null, new object[] { buffer });
if (selectedTrackViewer.HasSelection)
{
int index = 0;
for (int i = selectedTrackViewer.Selection.OriginStartPoint; i < selectedTrackViewer.Selection.OriginEndPoint; ++i)
{
selectedTrackViewer.File.SoundBuffer[i] = buffer[index++];
}
}
else
{
selectedTrackViewer.File.SoundBuffer = buffer;
}
selectedTrackViewer.Invalidate();
}
}
}
