public Staff(RenderHelper renderHelper, double lineSpacing, double lowestLine_Y)
{
_renderHelper = renderHelper;
LineSpacing = lineSpacing;
LowestLine_Y = lowestLine_Y;
RestYCoords = new RestYCoords(LowestLine_Y, LineSpacing);
_noteRenderHelper = new NoteRenderHelper(_renderHelper, RestYCoords);
//Set some values that will never occur in practice, so when we first check to see if the attributes
//in the xml are different to our staff, we'll always update the first time around
StaffClef = new StaffCleff
{
Sign = 'x',
Line = -1,
OctaveChange = -1,
};
Timing = new Timing
{
Numerator = -1,
Denominator = -1
};
}
public void AddNote(Note note, Timing timing, double devisions, double noteTime, double yCoord, double defaultNoteSize)
{
Type glyphType = typeof(BlackNoteHeadGlyph);
double finalYCoord = yCoord;
double defaultNoteWidth = 20.0;
if (note.IsRest)
{
switch (note.Type)
{
case "128th":
glyphType = typeof(Rest128thGlyph);
break;
case "64th":
glyphType = typeof(Rest64thGlyph);
break;
case "32nd":
glyphType = typeof(Rest32ndGlyph);
break;
case "16th":
glyphType = typeof(Rest16thGlyph);
break;
case "eigth":
glyphType = typeof(RestEighthGlyph);
break;
case "quarter":
glyphType = typeof(RestQuarterGlyph);
break;
case "half":
glyphType = typeof(RestHalfGlyph);
defaultNoteWidth = defaultNoteWidth * 2;
break;
case "whole":
glyphType = typeof(RestWholeGlyph);
defaultNoteWidth = defaultNoteWidth * 4;
break;
case "":
glyphType = CalculateRestType(note.Duration, timing, devisions);
break;
}
finalYCoord = GetRestYCoord(glyphType);
}
else
{
switch (note.Type)
{
case "half":
glyphType = typeof(HalfNoteGlyph);
break;
case "whole":
glyphType = typeof(WholeNoteGlyph);
break;
case "breve":
break;
case "long":
break;
case "":
break;
}
}
if (note.Stem != "")
{
Line line = new Line();
line.StrokeThickness = 1.2;
line.Stroke = Brushes.Black;
double stemHeight = defaultNoteSize * 3.0;
switch(note.Stem)
{
case "down":
line.Y1 = 0.1;
line.Y2 = stemHeight;
line.X1 = 0.1;
line.X2 = 0.1;
break;
case "up":
line.Y1 = - 0.1;
line.Y2 = - stemHeight;
line.X1 = defaultNoteSize - 0.1;
line.X2 = defaultNoteSize - 0.1;
break;
}
_renderHelper.AddItemToRender(noteTime, line, finalYCoord, 0, RenderItemType.NoteStem);
}
TextBlock tb = _renderHelper.Glyphs.GetGlyph(glyphType, defaultNoteSize * 3.3);
_renderHelper.AddItemToRender(noteTime, tb, finalYCoord - tb.BaselineOffset, 20.0, RenderItemType.Note);
}
private Type CalculateRestType(int noteDuration, Timing timing, double devisions)
{
//Converts the rest duration into a fraction of a bar. Times by 256 to handle switching and
//handle the shortest possible rest
switch ( Convert.ToInt16((noteDuration * timing.Denominator) / (devisions * 4 * timing.Numerator) * 256))
{
case 256:
return typeof(RestWholeGlyph);
case 128:
return typeof(RestHalfGlyph);
case 64:
return typeof(RestQuarterGlyph);
case 32:
return typeof(RestEighthGlyph);
case 16:
return typeof(Rest16thGlyph);
case 8:
return typeof(Rest32ndGlyph);
case 4:
return typeof(Rest64thGlyph);
case 2:
return typeof(Rest128thGlyph);
default:
throw new ArgumentException("Can't currently handle rests of length 256th. Or other bad shit's happened");
}
}
