public double InterpolateShapeX(double x0, double x1, double y0, double y1, double y,
PitchPointShape shape)
{
switch (shape)
{
case PitchPointShape.io:
return(SinEasingInOutX(x0, x1, y0, y1, y));
case PitchPointShape.i:
return(SinEasingInX(x0, x1, y0, y1, y));
case PitchPointShape.o:
return(SinEasingOutX(x0, x1, y0, y1, y));
default:
return(LinearX(x0, x1, y0, y1, y));
}
}
public ChangePitchPointShapeCommand(PitchPoint point, PitchPointShape shape)
{
this.Point = point;
this.NewShape = shape;
this.OldShape = point.shape;
}
void InitPitchPointContextMenu()
{
pitchCxtMenu = new ContextMenu();
pitchCxtMenu.Background = Brushes.White;
pitchCxtMenu.Items.Add(new MenuItem()
{
Header = "Ease In/Out"
});
pitchCxtMenu.Items.Add(new MenuItem()
{
Header = "Linear"
});
pitchCxtMenu.Items.Add(new MenuItem()
{
Header = "Ease In"
});
pitchCxtMenu.Items.Add(new MenuItem()
{
Header = "Ease Out"
});
pitchCxtMenu.Items.Add(new MenuItem()
{
Header = "Snap to Previous Note"
});
pitchCxtMenu.Items.Add(new MenuItem()
{
Header = "Delete Point"
});
pitchCxtMenu.Items.Add(new MenuItem()
{
Header = "Add Point"
});
pitHitContainer = new PitchPointHitTestResultContainer();
pitchShapeDelegate = (_o, _e) => {
var o = _o as MenuItem;
var pitHit = pitHitContainer.Result;
if (o == pitchCxtMenu.Items[4])
{
DocManager.Inst.StartUndoGroup();
DocManager.Inst.ExecuteCmd(new SnapPitchPointCommand(pitHit.Note));
DocManager.Inst.EndUndoGroup();
}
else if (o == pitchCxtMenu.Items[5])
{
DocManager.Inst.StartUndoGroup();
DocManager.Inst.ExecuteCmd(new DeletePitchPointCommand(midiVM.Part, pitHit.Note, pitHit.Index));
DocManager.Inst.EndUndoGroup();
}
else if (o == pitchCxtMenu.Items[6])
{
DocManager.Inst.StartUndoGroup();
DocManager.Inst.ExecuteCmd(new AddPitchPointCommand(pitHit.Note, new PitchPoint(pitHit.X, pitHit.Y), pitHit.Index + 1));
DocManager.Inst.EndUndoGroup();
}
else
{
PitchPointShape shape =
o == pitchCxtMenu.Items[0] ? PitchPointShape.io :
o == pitchCxtMenu.Items[2] ? PitchPointShape.i :
o == pitchCxtMenu.Items[3] ? PitchPointShape.o : PitchPointShape.l;
DocManager.Inst.StartUndoGroup();
DocManager.Inst.ExecuteCmd(new ChangePitchPointShapeCommand(pitHit.Note.PitchBend.Points[pitHit.Index], shape));
DocManager.Inst.EndUndoGroup();
}
};
foreach (var item in pitchCxtMenu.Items)
{
var _item = item as MenuItem;
if (_item != null)
{
_item.Click += pitchShapeDelegate;
}
}
}
public PitchPoint(double x, double y, PitchPointShape shape = PitchPointShape.io) : base(x, y)
{
Shape = shape;
}
public PitchPointHitInfo HitTestPitchPoint(Point mousePos)
{
if (!midiVM.ShowPitch)
{
return(null);
}
foreach (var note in midiVM.Part.notes)
{
// FIXME pitch point maybe in view while note is not.
if (midiVM.NoteIsInView(note) && !note.Error)
{
double lastX = 0, lastY = 0;
PitchPointShape lastShape = PitchPointShape.l;
for (int i = 0; i < note.pitch.data.Count; i++)
{
var pit = note.pitch.data[i];
int posTick = note.position + Project.MillisecondToTick(pit.X);
double noteNum = note.tone + pit.Y / 10;
double x = midiVM.TickToCanvas(posTick);
double y = midiVM.NoteNumToCanvas(noteNum) + midiVM.TrackHeight / 2;
if (Math.Abs(mousePos.X - x) < 4 && Math.Abs(mousePos.Y - y) < 4)
{
return new PitchPointHitInfo()
{
Note = note, Index = i, OnPoint = true
}
}
;
else if (mousePos.X < x && i > 0 && mousePos.X > lastX)
{
// Hit test curve
double castY = MusicMath.InterpolateShape(lastX, x, lastY, y, mousePos.X, lastShape) - mousePos.Y;
if (y >= lastY)
{
if (mousePos.Y - y > 3 || lastY - mousePos.Y > 3)
{
break;
}
}
else
{
if (y - mousePos.Y > 3 || mousePos.Y - lastY > 3)
{
break;
}
}
double castX = MusicMath.InterpolateShapeX(lastX, x, lastY, y, mousePos.Y, lastShape) - mousePos.X;
double dis = double.IsNaN(castX) ? Math.Abs(castY) : Math.Cos(Math.Atan2(Math.Abs(castY), Math.Abs(castX))) * Math.Abs(castY);
if (dis < 3)
{
double msX = DocManager.Inst.Project.TickToMillisecond(midiVM.CanvasToQuarter(mousePos.X) * DocManager.Inst.Project.resolution - note.position);
double msY = (midiVM.CanvasToPitch(mousePos.Y) - note.tone) * 10;
return(new PitchPointHitInfo()
{
Note = note, Index = i - 1, OnPoint = false, X = (float)msX, Y = (float)msY
});
}
else
{
break;
}
}
lastX = x;
lastY = y;
lastShape = pit.shape;
}
}
}
return(null);
}
public ChangePitchPointShapeCommand(PitchPoint point, PitchPointShape shape)
{
this.Point = point;
this.NewShape = shape;
this.OldShape = point.Shape;
}
public PitchPointHitTestResult HitTestPitchPoint(Point mousePos)
{
foreach (var note in midiVM.Part.Notes)
{
if (midiVM.NoteIsInView(note)) // FIXME this is not enough
{
if (note.Error)
{
continue;
}
double lastX = 0, lastY = 0;
PitchPointShape lastShape = PitchPointShape.l;
for (int i = 0; i < note.PitchBend.Points.Count; i++)
{
var pit = note.PitchBend.Points[i];
int posTick = note.PosTick + Project.MillisecondToTick(pit.X);
double noteNum = note.NoteNum + pit.Y / 10;
double x = midiVM.TickToCanvas(posTick);
double y = midiVM.NoteNumToCanvas(noteNum) + midiVM.TrackHeight / 2;
if (Math.Abs(mousePos.X - x) < 4 && Math.Abs(mousePos.Y - y) < 4)
{
return new PitchPointHitTestResult()
{
Note = note, Index = i, OnPoint = true
}
}
;
else if (mousePos.X < x && i > 0 && mousePos.X > lastX)
{
// Hit test curve
var lastPit = note.PitchBend.Points[i - 1];
double castY = MusicMath.InterpolateShape(lastX, x, lastY, y, mousePos.X, lastShape) - mousePos.Y;
if (y >= lastY)
{
if (mousePos.Y - y > 3 || lastY - mousePos.Y > 3)
{
break;
}
}
else
{
if (y - mousePos.Y > 3 || mousePos.Y - lastY > 3)
{
break;
}
}
double castX = MusicMath.InterpolateShapeX(lastX, x, lastY, y, mousePos.Y, lastShape) - mousePos.X;
double dis = double.IsNaN(castX) ? Math.Abs(castY) : Math.Cos(Math.Atan2(Math.Abs(castY), Math.Abs(castX))) * Math.Abs(castY);
if (dis < 3)
{
double msX = DocManager.Inst.Project.TickToMillisecond(midiVM.CanvasToQuarter(mousePos.X) * DocManager.Inst.Project.Resolution - note.PosTick);
double msY = (midiVM.CanvasToPitch(mousePos.Y) - note.NoteNum) * 10;
return(new PitchPointHitTestResult()
{
Note = note, Index = i - 1, OnPoint = false, X = msX, Y = msY
});
}
else
{
break;
}
}
lastX = x;
lastY = y;
lastShape = pit.Shape;
}
}
}
return(null);
}