private void Bar()
{
var master = new MasterBar();
_score.AddMasterBar(master);
var bar = new Bar();
_track.AddBarToStaff(0, bar);
if (master.Index > 0)
{
master.KeySignature = master.PreviousMasterBar.KeySignature;
master.TimeSignatureDenominator = master.PreviousMasterBar.TimeSignatureDenominator;
master.TimeSignatureNumerator = master.PreviousMasterBar.TimeSignatureNumerator;
bar.Clef = bar.PreviousBar.Clef;
}
BarMeta(bar);
var voice = new Voice();
bar.AddVoice(voice);
while (_sy != AlphaTexSymbols.Pipe && _sy != AlphaTexSymbols.Eof)
{
Beat(voice);
}
if (voice.Beats.Count == 0)
{
var emptyBeat = new Beat();
emptyBeat.IsEmpty = true;
voice.AddBeat(emptyBeat);
}
}
private void Bar()
{
var master = new MasterBar();
_score.AddMasterBar(master);
var bar = new Bar();
_track.AddBar(bar);
if (master.Index > 0)
{
master.KeySignature = master.PreviousMasterBar.KeySignature;
master.TimeSignatureDenominator = master.PreviousMasterBar.TimeSignatureDenominator;
master.TimeSignatureNumerator = master.PreviousMasterBar.TimeSignatureNumerator;
bar.Clef = bar.PreviousBar.Clef;
}
BarMeta(bar);
var voice = new Voice();
bar.AddVoice(voice);
while (_sy != AlphaTexSymbols.Pipe && _sy != AlphaTexSymbols.Eof)
{
Beat(voice);
}
}
private MasterBar GetOrCreateMasterBar(int index)
{
if (index < _score.MasterBars.Count)
{
return(_score.MasterBars[index]);
}
for (int i = _score.MasterBars.Count; i <= index; i++)
{
var mb = new MasterBar();
if (_score.MasterBars.Count > 0)
{
var prev = _score.MasterBars[_score.MasterBars.Count - 1];
mb.TimeSignatureDenominator = prev.TimeSignatureDenominator;
mb.TimeSignatureNumerator = prev.TimeSignatureNumerator;
mb.KeySignature = prev.KeySignature;
mb.KeySignatureType = prev.KeySignatureType;
}
_score.AddMasterBar(mb);
}
return(_score.MasterBars[index]);
}
private MasterBar GetOrCreateMasterBar(int index)
{
if (index < _score.MasterBars.Count)
{
return(_score.MasterBars[index]);
}
for (int i = _score.MasterBars.Count; i <= index; i++)
{
var mb = new MasterBar();
_score.AddMasterBar(mb);
}
return(_score.MasterBars[index]);
}
private static void AddMasterBarToScore(Score score, string sessionText, eBeatWrapper measureBeats)
{
var measureBeatsCount = measureBeats.MeasureSubBeats.Count + 1;
var masterBar = new MasterBar();
if (measureBeatsCount == 2)
{
masterBar.TimeSignatureNumerator = 2;
masterBar.TimeSignatureDenominator = 4;
}
else if (measureBeatsCount == 3)
{
masterBar.TimeSignatureNumerator = 3;
masterBar.TimeSignatureDenominator = 4;
}
else if (measureBeatsCount == 6)
{
masterBar.TimeSignatureNumerator = 6;
masterBar.TimeSignatureDenominator = 8;
}
else
{
masterBar.TimeSignatureNumerator = 4;
masterBar.TimeSignatureDenominator = 4;
if (measureBeatsCount != 4)
{
System.Diagnostics.Debug.WriteLine("Unknown timesignature (measureBeatsCount: {0}). Defaulting to 4/4.", measureBeatsCount);
}
}
masterBar.Section = new global::AlphaTab.Model.Section()
{
Text = sessionText
};
score.AddMasterBar(masterBar);
}
public void ReadMasterBar()
{
MasterBar previousMasterBar = default(MasterBar);
if (_score.MasterBars.Count > 0)
{
previousMasterBar = _score.MasterBars[_score.MasterBars.Count - 1];
}
MasterBar newMasterBar = new MasterBar();
int flags = _data.ReadByte();
// time signature
if ((flags & 0x01) != 0)
{
newMasterBar.TimeSignatureNumerator = _data.ReadByte();
}
else if (previousMasterBar != null)
{
newMasterBar.TimeSignatureNumerator = previousMasterBar.TimeSignatureNumerator;
}
if ((flags & 0x02) != 0)
{
newMasterBar.TimeSignatureDenominator = _data.ReadByte();
}
else if (previousMasterBar != null)
{
newMasterBar.TimeSignatureDenominator = previousMasterBar.TimeSignatureDenominator;
}
// repeatings
newMasterBar.IsRepeatStart = (flags & 0x04) != 0;
if ((flags & 0x08) != 0)
{
newMasterBar.RepeatCount = _versionNumber >= 500 ? _data.ReadByte() : 1;
}
// marker
if ((flags & 0x20) != 0)
{
Section section = new Section();
section.Text = ReadStringIntByte();
section.Marker = "";
ReadColor();
newMasterBar.Section = section;
}
// alternate endings
if ((flags & 0x10) != 0)
{
if (_versionNumber < 500)
{
MasterBar currentMasterBar = previousMasterBar;
// get the already existing alternatives to ignore them
int existentAlternatives = 0;
while (currentMasterBar != null)
{
// found another repeat ending?
if (currentMasterBar.IsRepeatEnd && currentMasterBar != previousMasterBar)
{
break;
}
// found the opening?
if (currentMasterBar.IsRepeatStart)
{
break;
}
existentAlternatives |= currentMasterBar.AlternateEndings;
}
// now calculate the alternative for this bar
var repeatAlternative = 0;
var repeatMask = _data.ReadByte();
for (var i = 0; i < 8; i++)
{
// only add the repeating if it is not existing
var repeating = (1 << i);
if (repeatMask > i && (existentAlternatives & repeating) == 0)
{
repeatAlternative |= repeating;
}
}
newMasterBar.AlternateEndings = (byte)repeatAlternative;
}
else
{
newMasterBar.AlternateEndings = (byte)_data.ReadByte();
}
}
// keysignature
if ((flags & 0x40) != 0)
{
newMasterBar.KeySignature = _data.ReadSignedByte();
_data.ReadByte(); // keysignature type
}
else if (previousMasterBar != null)
{
newMasterBar.KeySignature = previousMasterBar.KeySignature;
}
if ((_versionNumber >= 500) && ((flags & 0x03) != 0))
{
_data.Skip(4);
}
// better alternate ending mask in GP5
if ((_versionNumber >= 500) && ((flags & 0x10) == 0))
{
newMasterBar.AlternateEndings = (byte)_data.ReadByte();
}
// tripletfeel
if (_versionNumber >= 500)
{
var tripletFeel = _data.ReadByte();
switch (tripletFeel)
{
case 1:
newMasterBar.TripletFeel = TripletFeel.Triplet8th;
break;
case 2:
newMasterBar.TripletFeel = TripletFeel.Triplet16th;
break;
}
_data.ReadByte();
}
else
{
newMasterBar.TripletFeel = _globalTripletFeel;
}
newMasterBar.IsDoubleBar = (flags & 0x80) != 0;
_score.AddMasterBar(newMasterBar);
}