Method LoadMidi

Source/NoteCanvas.cpp:561–611

}

void NoteCanvas::LoadMidi()
{
   using namespace juce;
   String file_pattern = "*.mid;*.midi";
   if (File::areFileNamesCaseSensitive())
      file_pattern += ";" + file_pattern.toUpperCase();
   FileChooser chooser("Load midi", File(ofToDataPath("")), file_pattern, true, false, TheSynth->GetFileChooserParent());
   if (chooser.browseForFileToOpen())
   {
      bool wasPlaying = mPlay;
      mPlay = false;

      Clear(NextBufferTime(false));
      SetNumMeasures(1);
      File file = chooser.getResult();
      FileInputStream inputStream(file);
      MidiFile midifile;
      if (midifile.readFrom(inputStream))
      {
         midifile.convertTimestampTicksToSeconds();
         int ticksPerQuarterNote = midifile.getTimeFormat();
         int trackToGet = 0;
         if (midifile.getNumTracks() > 1)
            trackToGet = mLoadMidiTrack;
         const MidiMessageSequence* trackSequence = midifile.getTrack(trackToGet);
         for (int eventIndex = 0; eventIndex < trackSequence->getNumEvents(); eventIndex++)
         {
            MidiMessageSequence::MidiEventHolder* noteEvent = trackSequence->getEventPointer(eventIndex);
            if (noteEvent->noteOffObject)
            {
               int note = noteEvent->message.getNoteNumber();
               int veloc = noteEvent->message.getVelocity() * 1.27;
               double start = noteEvent->message.getTimeStamp() / ticksPerQuarterNote / TheTransport->CountInStandardMeasure(kInterval_4n);
               double end = noteEvent->noteOffObject->message.getTimeStamp() / ticksPerQuarterNote / TheTransport->CountInStandardMeasure(kInterval_4n);
               double length = end - start;
               AddNote(start, note, veloc, length, -1, ModulationParameters());
            }
         }
         float latest = 0.0;
         for (auto* element : mCanvas->GetElements())
         {
            if (element->GetEnd() > latest)
               latest = element->GetEnd();
         }
         mNumMeasuresSlider->SetExtents(0, static_cast<int>(std::ceil(latest)));
         FitNotes();
      }

      mPlay = wasPlaying;
   }
}

void NoteCanvas::SaveMidi()
{