public PartDirections(XmlReader r)
{
M.Assert(r.Name == "directions-part");
// These are just the elements used in the first set of examples.
// Other elements need to be added later.
M.ReadToXmlElementTag(r, "clef", "key");
while (r.Name == "clef" || r.Name == "key")
{
if (r.NodeType != XmlNodeType.EndElement)
{
switch (r.Name)
{
case "clef":
Clef = new Clef(r);
Components.Add(Clef);
break;
case "key":
// https://w3c.github.io/mnx/specification/common/#the-key-element
KeySignature = new KeySignature(r);
Components.Add(KeySignature);
break;
}
}
M.ReadToXmlElementTag(r, "clef", "key", "directions-part");
}
M.Assert(r.Name == "directions-part"); // end of "directions-part"
}
/// <summary>
/// Returns one of the following strings "t", "t1", "t2", "t3", "b", "b1", "b2", "b3"
/// </summary>
private StringBuilder GetClefType(MNX.Common.Clef mnxClefDef)
{
StringBuilder rval = new StringBuilder();
if (mnxClefDef.Sign == MNX.Common.ClefType.G)
{
M.Assert(mnxClefDef.Line == 2, "G-clefs are only supported on line 2.");
rval.Append("t");
switch (mnxClefDef.Octave)
{
case 0:
break;
case 1:
rval.Append("1");
break;
case 2:
rval.Append("2");
break;
case 3:
rval.Append("3");
break;
default:
// other treble clefs not supported
break;
}
}
if (mnxClefDef.Sign == MNX.Common.ClefType.F)
{
M.Assert(mnxClefDef.Line == 3, "F-clefs are only supported on line 3.");
rval.Append("b");
switch (mnxClefDef.Octave)
{
case 0:
break;
case -1:
rval.Append("1");
break;
case -2:
rval.Append("2");
break;
case -3:
rval.Append("3");
break;
default:
// other bass clefs not supported
break;
}
}
if (mnxClefDef.Sign == MNX.Common.ClefType.C)
{
M.Assert(false, "C-clefs are not supported.");
}
return(rval);
}
public SequenceDirections(XmlReader r, TimeSignature currentTimeSignature)
{
M.Assert(r.Name == "directions");
M.ReadToXmlElementTag(r, "clef", "cresc", "dim", "dynamics", "expression", "instruction", "octave-shift", "wedge", "text-block");
while (r.Name == "clef" || r.Name == "cresc" || r.Name == "dim" || r.Name == "dynamics" ||
r.Name == "expression" || r.Name == "instruction" || r.Name == "octave-shift" || r.Name == "wedge" || r.Name == "text-block")
{
if (r.NodeType != XmlNodeType.EndElement)
{
switch (r.Name)
{
case "clef":
Clef = new Clef(r);
Components.Add(Clef);
break;
case "cresc":
// TODO
break;
case "dim":
// TODO
break;
case "dynamics":
// TODO
break;
case "expression":
// TODO
break;
case "instruction":
// TODO
break;
case "octave-shift":
OctaveShift = new OctaveShift(r);
Components.Add(OctaveShift);
break;
case "wedge":
// TODO
break;
case "text-block":
TextBlock = new TextBlock(r);
Components.Add(TextBlock);
break;
}
}
M.ReadToXmlElementTag(r, "clef", "cresc", "dim", "dynamics", "expression", "instruction", "octave-shift", "wedge", "text-block", "directions");
}
if (Repeats != null)
{
SetDefaultRepeatPositions(Repeats, currentTimeSignature);
}
M.Assert(r.Name == "directions"); // end of "directions"
}
public Clef(Voice voice, MNX.Common.Clef mnxClefDef, double fontHeight)
: base(voice)
{
_clefType = GetClefType(mnxClefDef).ToString();
_fontHeight = fontHeight;
}
