/// <summary>
/// Moves rests onto the top and bottom stafflines. Most rests move two gaps from the centre staffline,
/// but breve and semibreve rests in the top voice move to a position 1 gap above the top staffline, and
/// breve and semibreve rests in the bottom voice move onto the bottom staffline.
/// Breve and semibreve rests outside the stafflines have a single, visible "ledgerline".
/// </summary>
private void MoveRestsOntoOuterStafflines()
{
for (int voiceIndex = 0; voiceIndex < 2; ++voiceIndex)
{
foreach (NoteObject noteObject in Voices[voiceIndex].NoteObjects)
{
RestSymbol rest = noteObject as RestSymbol;
if (rest != null)
{
RestMetrics metrics = (RestMetrics)rest.Metrics;
if (voiceIndex == 0)
{
if (rest.DurationClass == DurationClass.breve || rest.DurationClass == DurationClass.semibreve)
{
metrics.LedgerlineVisible = true; // only affects breves, semibreves and minims
}
metrics.Move(0F, this.Gap * -2);
}
else
{
if (rest.DurationClass == DurationClass.breve || rest.DurationClass == DurationClass.semibreve)
{
metrics.Move(0F, this.Gap * 3);
}
else
{
metrics.Move(0F, this.Gap * 2);
}
}
}
}
}
}
private void AdjustRestRestCollisions()
{
List <NoteObject> upperObjects = Voices[0].NoteObjects;
List <NoteObject> lowerObjects = Voices[1].NoteObjects;
// If a rest in the top voice collides with a rest in the lower voice at the same msPosition,
// both rests are moved in gap steps outwards until they no longer overlap.
foreach (NoteObject topObject in upperObjects)
{
RestSymbol topRest = topObject as RestSymbol;
if (topRest != null)
{
RestMetrics upperRestMetrics = topRest.Metrics as RestMetrics;
foreach (NoteObject lowerObject in lowerObjects)
{
RestSymbol lowerRestSymbol = lowerObject as RestSymbol;
if (lowerRestSymbol != null)
{
if (topRest.MsPosition < lowerRestSymbol.MsPosition)
{
break;
}
if (topRest.MsPosition == lowerRestSymbol.MsPosition)
{
RestMetrics lowerRestMetrics = (RestMetrics)lowerRestSymbol.Metrics;
float verticalOverlap = lowerRestMetrics.OverlapHeight(upperRestMetrics, 0F);
bool moveBottomRest = true;
while (verticalOverlap > 0)
{
float newMinBottom = upperRestMetrics.Bottom - verticalOverlap;
if (upperRestMetrics.Bottom > newMinBottom)
{
if (moveBottomRest)
{
lowerRestMetrics.LedgerlineVisible = true; // only affects breves, semibreves and minims
lowerRestMetrics.Move(0F, Gap);
moveBottomRest = false;
}
else
{
upperRestMetrics.LedgerlineVisible = true; // only affects breves, semibreves and minims
upperRestMetrics.Move(0F, -Gap);
moveBottomRest = true;
}
}
verticalOverlap = lowerRestMetrics.OverlapHeight(upperRestMetrics, 0F);
}
}
}
}
}
}
}
private void AddExtendersAtTheEndsOfStaves(List <Staff> staves, float rightMarginPos, float gap, float extenderStrokeWidth,
float hairlinePadding, SvgSystem nextSystem)
{
for (int staffIndex = 0; staffIndex < staves.Count; ++staffIndex)
{
Staff staff = staves[staffIndex];
if (!(staff is InvisibleOutputStaff))
{
for (int voiceIndex = 0; voiceIndex < staff.Voices.Count; ++voiceIndex)
{
Voice voice = staff.Voices[voiceIndex];
List <NoteObject> noteObjects = voice.NoteObjects;
ChordSymbol lastChord = null;
RestSymbol lastRest = null;
CautionaryChordSymbol cautionary = null;
for (int index = noteObjects.Count - 1; index >= 0; --index)
{
lastChord = noteObjects[index] as ChordSymbol;
lastRest = noteObjects[index] as RestSymbol;
cautionary = noteObjects[index] as CautionaryChordSymbol;
if (cautionary != null)
{
cautionary.Visible = false;
// a CautionaryChordSymbol is a ChordSymbol, but we have not found a real one yet.
}
else if (lastChord != null || lastRest != null)
{
break;
}
}
if (lastChord != null && lastChord.MsDurationToNextBarline != null)
{
List <float> x1s = GetX1sFromChord1(lastChord.ChordMetrics, hairlinePadding);
List <float> x2s;
List <float> ys = lastChord.ChordMetrics.HeadsOriginYs;
if (nextSystem != null && FirstDurationSymbolOnNextSystemIsCautionary(nextSystem.Staves[staffIndex].Voices[voiceIndex]))
{
x2s = GetEqualFloats(rightMarginPos + gap, x1s.Count);
}
else
{
x2s = GetEqualFloats(rightMarginPos, x1s.Count);
}
lastChord.ChordMetrics.NoteheadExtendersMetrics =
CreateExtenders(x1s, x2s, ys, extenderStrokeWidth, gap, true);
}
}
}
}
}
public override NoteObject GetNoteObject(Voice voice, IUniqueDef iud, bool firstDefInVoice,
ref byte currentVelocity, float musicFontHeight)
{
NoteObject noteObject = null;
CautionaryChordDef cautionaryChordDef = iud as CautionaryChordDef;
MidiChordDef midiChordDef = iud as MidiChordDef;
InputChordDef inputChordDef = iud as InputChordDef;
RestDef restDef = iud as RestDef;
ClefChangeDef clefChangeDef = iud as ClefChangeDef;
PageFormat pageFormat = voice.Staff.SVGSystem.Score.PageFormat;
float cautionaryFontHeight = pageFormat.CautionaryNoteheadsFontHeight;
int minimumCrotchetDuration = pageFormat.MinimumCrotchetDuration;
if (cautionaryChordDef != null && firstDefInVoice)
{
CautionaryChordSymbol cautionaryChordSymbol = new CautionaryChordSymbol(voice, cautionaryChordDef, cautionaryFontHeight);
noteObject = cautionaryChordSymbol;
}
else if (midiChordDef != null)
{
OutputChordSymbol outputChordSymbol = new OutputChordSymbol(voice, midiChordDef, minimumCrotchetDuration, musicFontHeight);
if (midiChordDef.MidiVelocity != currentVelocity)
{
outputChordSymbol.AddDynamic(midiChordDef.MidiVelocity, currentVelocity);
currentVelocity = midiChordDef.MidiVelocity;
}
noteObject = outputChordSymbol;
}
else if (inputChordDef != null)
{
InputChordSymbol inputChordSymbol = new InputChordSymbol(voice, inputChordDef, minimumCrotchetDuration, musicFontHeight);
noteObject = inputChordSymbol;
}
else if (restDef != null)
{
RestSymbol restSymbol = new RestSymbol(voice, iud, minimumCrotchetDuration, musicFontHeight);
noteObject = restSymbol;
}
else if (clefChangeDef != null)
{
ClefChangeSymbol clefChangeSymbol = new ClefChangeSymbol(voice, clefChangeDef.ClefType, cautionaryFontHeight, ((IUniqueDef)iud).MsPosition);
noteObject = clefChangeSymbol;
}
return(noteObject);
}
public override Metrics NoteObjectMetrics(Graphics graphics, NoteObject noteObject, VerticalDir voiceStemDirection, float gap, float strokeWidth)
{
Metrics returnMetrics = null;
ClefSymbol clef = noteObject as ClefSymbol;
Barline barline = noteObject as Barline;
CautionaryChordSymbol cautionaryChordSymbol = noteObject as CautionaryChordSymbol;
ChordSymbol chord = noteObject as ChordSymbol;
RestSymbol rest = noteObject as RestSymbol;
if (barline != null)
{
returnMetrics = new BarlineMetrics(graphics, barline, gap);
}
else if (clef != null)
{
if (clef.ClefType != "n")
{
returnMetrics = new ClefMetrics(clef, gap);
}
}
else if (cautionaryChordSymbol != null)
{
returnMetrics = new ChordMetrics(graphics, cautionaryChordSymbol, voiceStemDirection, gap, strokeWidth);
}
else if (chord != null)
{
returnMetrics = new ChordMetrics(graphics, chord, voiceStemDirection, gap, strokeWidth);
}
else if (rest != null)
{
// All rests are originally created on the centre line.
// They are moved vertically later, if they are on a 2-Voice staff.
returnMetrics = new RestMetrics(graphics, rest, gap, noteObject.Voice.Staff.NumberOfStafflines, strokeWidth);
}
return(returnMetrics);
}
private List <float> GetCautionaryRightExtenderX2s(CautionaryChordSymbol cautionaryChordSymbol1,
List <NoteObject> noteObjects, List <float> x1s, List <float> ys, float hairlinePadding)
{
List <float> x2s = new List <float>();
NoteObject no2 = GetFollowingChordRestOrBarlineSymbol(noteObjects);
Barline barline = no2 as Barline;
ChordSymbol chord2 = no2 as ChordSymbol;
RestSymbol rest2 = no2 as RestSymbol;
if (barline != null)
{
float x2 = barline.Metrics.OriginX;
x2s = GetEqualFloats(x2, x1s.Count);
}
else if (chord2 != null)
{
x2s = GetX2sFromChord2(ys, chord2.ChordMetrics, hairlinePadding);
}
else if (rest2 != null)
{
float x2 = rest2.Metrics.Left - hairlinePadding;
x2s = GetEqualFloats(x2, x1s.Count);
}
else // no2 == null
{
Debug.Assert(no2 == null);
// This voice has no further chords or rests,
// so draw extenders to the right margin.
// extend to the right margin
PageFormat pageFormat = cautionaryChordSymbol1.Voice.Staff.SVGSystem.Score.PageFormat;
float rightMarginPos = pageFormat.RightMarginPos;
float gap = pageFormat.Gap;
x2s = GetEqualFloats(rightMarginPos + gap, ys.Count);
}
return(x2s);
}
/// <summary>
/// There is currently still one bar per system.
/// Each voice ends with a barline.
/// </summary>
protected virtual void ReplaceConsecutiveRestsInBars(int minimumCrotchetDuration)
{
foreach (SvgSystem system in Systems)
{
foreach (Staff staff in system.Staves)
{
if (!(staff is InvisibleOutputStaff))
{
foreach (Voice voice in staff.Voices)
{
Debug.Assert(voice.NoteObjects[voice.NoteObjects.Count - 1] is Barline);
// contains lists of consecutive rest indices
List <List <int> > restsToReplace = new List <List <int> >();
#region find the consecutive rests
List <int> consecRestIndices = new List <int>();
for (int i = 0; i < voice.NoteObjects.Count - 1; i++)
{
Debug.Assert(!(voice.NoteObjects[i] is Barline));
RestSymbol rest1 = voice.NoteObjects[i] as RestSymbol;
RestSymbol rest2 = voice.NoteObjects[i + 1] as RestSymbol;
if (rest1 != null && rest2 != null)
{
if (!consecRestIndices.Contains(i))
{
consecRestIndices.Add(i);
}
consecRestIndices.Add(i + 1);
}
else
{
if (consecRestIndices != null && consecRestIndices.Count > 0)
{
restsToReplace.Add(consecRestIndices);
consecRestIndices = new List <int>();
}
}
}
#endregion
#region replace the consecutive rests
if (restsToReplace.Count > 0)
{
for (int i = restsToReplace.Count - 1; i >= 0; i--)
{
List <int> indToReplace = restsToReplace[i];
int msDuration = 0;
int msPos = 0;
float fontSize = 0F;
for (int j = indToReplace.Count - 1; j >= 0; j--)
{
RestSymbol rest = voice.NoteObjects[indToReplace[j]] as RestSymbol;
Debug.Assert(rest != null);
msDuration += rest.MsDuration;
msPos = rest.MsPosition;
fontSize = rest.FontHeight;
voice.NoteObjects.RemoveAt(indToReplace[j]);
}
RestDef umrd = new RestDef(msPos, msDuration);
RestSymbol newRest = new RestSymbol(voice, umrd, minimumCrotchetDuration, _pageFormat.MusicFontHeight);
newRest.MsPosition = msPos;
voice.NoteObjects.Insert(indToReplace[0], newRest);
}
}
#endregion
}
}
}
}
}
private void AddExtendersInStaves(List <Staff> staves, float extenderStrokeWidth, float gap, float hairlinePadding)
{
foreach (Staff staff in staves)
{
if (!(staff is InvisibleOutputStaff))
{
foreach (Voice voice in staff.Voices)
{
List <NoteObject> noteObjects = voice.NoteObjects;
int index = 0;
while (index < noteObjects.Count - 1)
{
// noteObjects.Count - 1 because index is immediately incremented when a continuing
// chord or rest is found, and it should always be less than noteObjects.Count.
ChordSymbol chord1 = noteObjects[index] as ChordSymbol;
if (chord1 != null)
{
List <float> x1s = GetX1sFromChord1(chord1.ChordMetrics, hairlinePadding);
List <float> x2s = null;
List <float> ys = null;
++index;
if (chord1.MsDurationToNextBarline != null)
{
while (index < noteObjects.Count)
{
CautionaryChordSymbol cautionaryChordSymbol = noteObjects[index] as CautionaryChordSymbol;
ChordSymbol chord2 = noteObjects[index] as ChordSymbol;
RestSymbol rest2 = noteObjects[index] as RestSymbol;
if (cautionaryChordSymbol != null)
{
cautionaryChordSymbol.Visible = false;
}
else if (chord2 != null)
{
ys = chord1.ChordMetrics.HeadsOriginYs;
x2s = GetX2sFromChord2(ys, chord2.ChordMetrics, hairlinePadding);
break;
}
else if (rest2 != null)
{
float x2 = rest2.Metrics.Left - hairlinePadding;
ys = chord1.ChordMetrics.HeadsOriginYs;
x2s = GetEqualFloats(x2, x1s.Count);
break;
}
++index;
}
if (x2s != null && ys != null)
{
bool hasContinuingBeamBlock =
((chord1.BeamBlock != null) && (chord1.BeamBlock.Chords[chord1.BeamBlock.Chords.Count - 1] != chord1));
if (hasContinuingBeamBlock)
{
Debug.Assert(true);
}
Barline barline = noteObjects[index - 1] as Barline;
if (barline != null)
{
float x2 = barline.Metrics.OriginX;
x2s = GetEqualFloats(x2, x1s.Count);
}
bool drawExtender = false;
if (chord1.DurationClass > DurationClass.semiquaver)
{
drawExtender = true;
}
if (chord1.DurationClass < DurationClass.crotchet && hasContinuingBeamBlock)
{
drawExtender = false;
}
chord1.ChordMetrics.NoteheadExtendersMetrics =
CreateExtenders(x1s, x2s, ys, extenderStrokeWidth, gap, drawExtender);
}
}
}
else
{
++index;
}
}
}
}
}
}
private void AddExtendersAtTheBeginningsofStaves(List <Staff> staves, float rightMarginPos, float gap, float extenderStrokeWidth, float hairlinePadding)
{
foreach (Staff staff in staves)
{
if (!(staff is InvisibleOutputStaff))
{
foreach (Voice voice in staff.Voices)
{
List <NoteObject> noteObjects = voice.NoteObjects;
ClefSymbol firstClef = null;
CautionaryChordSymbol cautionaryChordSymbol = null;
ChordSymbol firstChord = null;
RestSymbol firstRest = null;
for (int index = 0; index < noteObjects.Count; ++index)
{
if (firstClef == null)
{
firstClef = noteObjects[index] as ClefSymbol;
}
if (cautionaryChordSymbol == null)
{
cautionaryChordSymbol = noteObjects[index] as CautionaryChordSymbol;
}
if (firstChord == null)
{
firstChord = noteObjects[index] as ChordSymbol;
}
if (firstRest == null)
{
firstRest = noteObjects[index] as RestSymbol;
}
if (firstClef != null &&
(cautionaryChordSymbol != null || firstChord != null || firstRest != null))
{
break;
}
}
if (firstClef != null && cautionaryChordSymbol != null)
{
// create brackets
List <CautionaryBracketMetrics> cbMetrics = cautionaryChordSymbol.ChordMetrics.CautionaryBracketsMetrics;
Debug.Assert(cbMetrics.Count == 2);
Metrics clefMetrics = firstClef.Metrics;
// extender left of cautionary
List <float> ys = cautionaryChordSymbol.ChordMetrics.HeadsOriginYs;
List <float> x1s = GetEqualFloats(clefMetrics.Right - (hairlinePadding * 2), ys.Count);
List <float> x2s = GetEqualFloats(cbMetrics[0].Left, ys.Count);
for (int i = 0; i < x2s.Count; ++i)
{
if ((x2s[i] - x1s[i]) < gap)
{
x1s[i] = x2s[i] - gap;
}
}
cautionaryChordSymbol.ChordMetrics.NoteheadExtendersMetricsBefore =
CreateExtenders(x1s, x2s, ys, extenderStrokeWidth, gap, true);
// extender right of cautionary
x1s = GetEqualFloats(cbMetrics[1].Right, ys.Count);
x2s = GetCautionaryRightExtenderX2s(cautionaryChordSymbol, voice.NoteObjects, x1s, ys, hairlinePadding);
cautionaryChordSymbol.ChordMetrics.NoteheadExtendersMetrics =
CreateExtenders(x1s, x2s, ys, extenderStrokeWidth, gap, true);
}
}
}
}
}
public override NoteObject GetNoteObject(Voice voice, int absMsPosition, IUniqueDef iud, bool firstDefInVoice,
ref byte currentVelocity, float musicFontHeight)
{
NoteObject noteObject = null;
CautionaryChordDef cautionaryChordDef = iud as CautionaryChordDef;
MidiChordDef midiChordDef = iud as MidiChordDef;
InputChordDef inputChordDef = iud as InputChordDef;
RestDef restDef = iud as RestDef;
ClefChangeDef clefChangeDef = iud as ClefChangeDef;
PageFormat pageFormat = voice.Staff.SVGSystem.Score.PageFormat;
float cautionaryFontHeight = pageFormat.CautionaryNoteheadsFontHeight;
int minimumCrotchetDuration = pageFormat.MinimumCrotchetDuration;
if(cautionaryChordDef != null && firstDefInVoice)
{
if(cautionaryChordDef.NotatedMidiVelocities != null)
{
CautionaryOutputChordSymbol cautionaryOutputChordSymbol = new CautionaryOutputChordSymbol(voice, cautionaryChordDef, absMsPosition, cautionaryFontHeight);
noteObject = cautionaryOutputChordSymbol;
}
else
{
CautionaryInputChordSymbol cautionaryInputChordSymbol = new CautionaryInputChordSymbol(voice, cautionaryChordDef, absMsPosition, cautionaryFontHeight);
noteObject = cautionaryInputChordSymbol;
}
}
else if(midiChordDef != null)
{
OutputChordSymbol outputChordSymbol = new OutputChordSymbol(voice, midiChordDef, absMsPosition, minimumCrotchetDuration, musicFontHeight);
if(this._coloredVelocities == true)
{
outputChordSymbol.SetNoteheadColors();
}
else if(midiChordDef.NotatedMidiVelocities[0] != currentVelocity)
{
outputChordSymbol.AddDynamic(midiChordDef.NotatedMidiVelocities[0], currentVelocity);
currentVelocity = midiChordDef.NotatedMidiVelocities[0];
}
noteObject = outputChordSymbol;
}
else if(inputChordDef != null)
{
InputChordSymbol inputChordSymbol = new InputChordSymbol(voice, inputChordDef, absMsPosition, minimumCrotchetDuration, musicFontHeight);
noteObject = inputChordSymbol;
}
else if(restDef != null)
{
RestSymbol restSymbol = new RestSymbol(voice, iud, absMsPosition, minimumCrotchetDuration, musicFontHeight);
noteObject = restSymbol;
}
else if(clefChangeDef != null)
{
ClefChangeSymbol clefChangeSymbol = new ClefChangeSymbol(voice, clefChangeDef.ClefType, absMsPosition, cautionaryFontHeight);
noteObject = clefChangeSymbol;
}
return noteObject;
}
private void AdjustRestsForVerticalChordCollisions(int restsChannelIndex)
{
Debug.Assert(restsChannelIndex == 0 || restsChannelIndex == 1);
List <NoteObject> restObjects;
List <NoteObject> chordObjects;
bool shiftRestUp;
if (restsChannelIndex == 0)
{
shiftRestUp = true;
restObjects = Voices[0].NoteObjects;
chordObjects = Voices[1].NoteObjects;
}
else
{
shiftRestUp = false;
restObjects = Voices[1].NoteObjects;
chordObjects = Voices[0].NoteObjects;
}
// Move rests in the top voice up by gap increments if they are synchronous with an overlapping chord in the lower voice.
// Move rests in the bottom voice down by gap increments if they are synchronous with an overlapping chord in the top voice.
foreach (NoteObject restObject in restObjects)
{
RestSymbol restSymbol = restObject as RestSymbol;
if (restSymbol != null)
{
foreach (NoteObject chordObject in chordObjects)
{
OutputChordSymbol chordSymbol = chordObject as OutputChordSymbol;
if (chordSymbol != null)
{
if (chordSymbol.MsPosition > restSymbol.MsPosition)
{
break;
}
if (chordSymbol.MsPosition == restSymbol.MsPosition)
{
RestMetrics restMetrics = restSymbol.RestMetrics;
ChordMetrics chordMetrics = chordSymbol.ChordMetrics;
//float verticalOverlap = chordMetrics.OverlapHeight(restMetrics, Gap / 2F);
float verticalOverlap = chordMetrics.OverlapHeight(restMetrics, 0F);
if (verticalOverlap > 0)
{
if (shiftRestUp)
{
//float newMaxBottom = chordMetrics.Top - Gap;
float newMaxBottom = chordMetrics.Top;
newMaxBottom += DurationClassDeltaAbove(restSymbol.DurationClass, Gap);
while (restMetrics.Bottom > newMaxBottom)
{
restMetrics.LedgerlineVisible = true; // only affects breves, semibreves and minims
restMetrics.Move(0F, -Gap);
}
break; // to next rest symbol
}
else
{
//float newMinTop = chordMetrics.Bottom + Gap;
float newMinTop = chordMetrics.Bottom;
newMinTop += DurationClassDeltaBelow(restSymbol.DurationClass, Gap);
while (restMetrics.Top < newMinTop)
{
restMetrics.LedgerlineVisible = true; // only affects breves, semibreves and minims
restMetrics.Move(0F, Gap);
}
break; // to next rest symbol
}
}
}
}
}
}
}
}
public RestMetrics(Graphics graphics, RestSymbol rest, float gap, int numberOfStafflines, float ledgerlineStrokeWidth)
: base(rest.DurationClass, true, rest.FontHeight)
{
float dy = 0;
if(numberOfStafflines > 1)
dy = gap * (numberOfStafflines / 2);
_top = _top + dy;
_bottom += dy;
_originY += dy; // the staffline on which the rest is aligned
_ledgerlineStub = gap * 0.75F;
Move((Left - Right) / 2F, 0F); // centre the glyph horizontally
switch(rest.DurationClass)
{
case DurationClass.breve:
case DurationClass.semibreve:
Move(gap * -0.25F, 0F);
if(numberOfStafflines == 1)
Move(0F, gap);
_ledgerline = new LedgerlineBlockMetrics(Left - _ledgerlineStub, Right + _ledgerlineStub, ledgerlineStrokeWidth);
_ledgerline.AddLedgerline(_originY - gap, 0F);
_ledgerline.Move(gap * 0.17F, 0F);
_top -= (gap * 1.5F);
break;
case DurationClass.minim:
Move(gap * 0.18F, 0);
_ledgerline = new LedgerlineBlockMetrics(Left - _ledgerlineStub, Right + _ledgerlineStub - (gap * 0.3F), ledgerlineStrokeWidth);
_ledgerline.AddLedgerline(_originY, 0F);
_bottom += (gap * 1.5F);
break;
case DurationClass.quaver:
_top -= gap * 0.5F;
_bottom += gap * 0.5F;
break;
case DurationClass.semiquaver:
_top -= gap * 0.5F;
_bottom += gap * 0.5F;
break;
case DurationClass.threeFlags:
_top -= gap * 0.5F;
_right += gap * 0.2F;
_bottom += gap * 0.5F;
_left -= gap * 0.2F;
break;
case DurationClass.fourFlags:
_top -= gap * 0.5F;
_right += gap * 0.1F;
_bottom += gap * 1.25F;
_left -= gap * 0.1F;
_originY += gap;
break;
case DurationClass.fiveFlags:
_top -= gap * 1.5F;
_right += gap * 0.2F;
_bottom += gap * 1.25F;
_left -= gap * 0.2F;
_originY += gap;
break;
}
}
/// <summary>
/// Sets Chord.Stem.Direction for each chord.
/// Chords are beamed together, duration classes permitting, unless a rest or clef intervenes.
/// If a barline intervenes, and beamsCrossBarlines is true, the chords are beamed together.
/// If a barline intervenes, and beamsCrossBarlines is false, the beam is broken.
/// </summary>
public void SetChordStemDirectionsAndCreateBeamBlocks(PageFormat pageFormat)
{
List <ChordSymbol> chordsBeamedTogether = new List <ChordSymbol>();
ClefSymbol currentClef = null;
bool breakGroup = false;
ChordSymbol lastChord = null;
foreach (ChordSymbol cs in ChordSymbols)
{
lastChord = cs;
}
foreach (NoteObject noteObject in NoteObjects)
{
CautionaryChordSymbol cautionaryChord = noteObject as CautionaryChordSymbol;
ChordSymbol chord = noteObject as ChordSymbol;
RestSymbol rest = noteObject as RestSymbol;
ClefSymbol clef = noteObject as ClefSymbol;
Barline barline = noteObject as Barline;
if (cautionaryChord != null)
{
continue;
}
if (chord != null)
{
if (chord.DurationClass == DurationClass.cautionary ||
chord.DurationClass == DurationClass.breve ||
chord.DurationClass == DurationClass.semibreve ||
chord.DurationClass == DurationClass.minim ||
chord.DurationClass == DurationClass.crotchet)
{
if (currentClef != null)
{
if (this.StemDirection == VerticalDir.none)
{
chord.Stem.Direction = chord.DefaultStemDirection(currentClef);
}
else
{
chord.Stem.Direction = this.StemDirection;
}
}
breakGroup = true;
}
else
{
chordsBeamedTogether.Add(chord);
if (chord.Stem.BeamContinues) // this is true by default
{
breakGroup = false;
}
else
{
breakGroup = true;
}
}
}
if (chordsBeamedTogether.Count > 0)
{
if (rest != null)
{
if (rest.LocalCautionaryChordDef == null)
{
breakGroup = true;
}
}
if (clef != null)
{
breakGroup = true;
}
if (barline != null && !pageFormat.BeamsCrossBarlines)
{
breakGroup = true;
}
if (chord == lastChord)
{
breakGroup = true;
}
}
if (chordsBeamedTogether.Count > 0 && breakGroup)
{
if (currentClef != null)
{
if (chordsBeamedTogether.Count == 1)
{
if (this.StemDirection == VerticalDir.none)
{
chordsBeamedTogether[0].Stem.Direction = chordsBeamedTogether[0].DefaultStemDirection(currentClef);
}
else
{
chordsBeamedTogether[0].Stem.Direction = this.StemDirection;
}
}
else if (chordsBeamedTogether.Count > 1)
{
float beamThickness = pageFormat.BeamThickness;
float beamStrokeThickness = pageFormat.StafflineStemStrokeWidth;
if (this is InputVoice)
{
beamThickness *= pageFormat.InputStavesSizeFactor;
beamStrokeThickness *= pageFormat.InputStavesSizeFactor;
}
chordsBeamedTogether[0].BeamBlock =
new BeamBlock(currentClef, chordsBeamedTogether, this.StemDirection, beamThickness, beamStrokeThickness);
}
}
chordsBeamedTogether.Clear();
}
if (clef != null)
{
currentClef = clef;
}
}
}
public RestMetrics(Graphics graphics, RestSymbol rest, float gap, int numberOfStafflines, float ledgerlineStrokeWidth)
: base(rest.DurationClass, true, rest.FontHeight)
{
float dy = 0;
if (numberOfStafflines > 1)
{
dy = gap * (numberOfStafflines / 2);
}
_top = _top + dy;
_bottom += dy;
_originY += dy; // the staffline on which the rest is aligned
_ledgerlineStub = gap * 0.75F;
Move((Left - Right) / 2F, 0F); // centre the glyph horizontally
switch (rest.DurationClass)
{
case DurationClass.breve:
case DurationClass.semibreve:
Move(gap * -0.25F, 0F);
if (numberOfStafflines == 1)
{
Move(0F, gap);
}
_ledgerline = new LedgerlineBlockMetrics(Left - _ledgerlineStub, Right + _ledgerlineStub, ledgerlineStrokeWidth);
_ledgerline.AddLedgerline(_originY - gap, 0F);
_ledgerline.Move(gap * 0.17F, 0F);
_top -= (gap * 1.5F);
break;
case DurationClass.minim:
Move(gap * 0.18F, 0);
_ledgerline = new LedgerlineBlockMetrics(Left - _ledgerlineStub, Right + _ledgerlineStub - (gap * 0.3F), ledgerlineStrokeWidth);
_ledgerline.AddLedgerline(_originY, 0F);
_bottom += (gap * 1.5F);
break;
case DurationClass.quaver:
_top -= gap * 0.5F;
_bottom += gap * 0.5F;
break;
case DurationClass.semiquaver:
_top -= gap * 0.5F;
_bottom += gap * 0.5F;
break;
case DurationClass.threeFlags:
_top -= gap * 0.5F;
_right += gap * 0.2F;
_bottom += gap * 0.5F;
_left -= gap * 0.2F;
break;
case DurationClass.fourFlags:
_top -= gap * 0.5F;
_right += gap * 0.1F;
_bottom += gap * 1.25F;
_left -= gap * 0.1F;
_originY += gap;
break;
case DurationClass.fiveFlags:
_top -= gap * 1.5F;
_right += gap * 0.2F;
_bottom += gap * 1.25F;
_left -= gap * 0.2F;
_originY += gap;
break;
}
}
public RestMetrics(Graphics graphics, RestSymbol rest, double gap, int numberOfStafflines, double ledgerlineStrokeWidth)
: base(rest.DurationClass, rest.FontHeight, CSSObjectClass.rest)
{
double dy = 0;
if (numberOfStafflines > 1)
{
dy = gap * (numberOfStafflines / 2);
}
_top = _top + dy;
_bottom += dy;
_originY += dy; // the staffline on which the rest is aligned
_ledgerlineStub = gap * 0.75;
Move((Left - Right) / 2, 0F); // centre the glyph horizontally
CSSObjectClass llBlockClass = CSSObjectClass.ledgerlines;
switch (rest.DurationClass)
{
case DurationClass.breve:
case DurationClass.semibreve:
Move(gap * -0.25, 0F);
if (numberOfStafflines == 1)
{
Move(0, gap);
}
_ledgerlineBlockMetrics = new LedgerlineBlockMetrics(Left - _ledgerlineStub, Right + _ledgerlineStub, ledgerlineStrokeWidth, llBlockClass);
_ledgerlineBlockMetrics.AddLedgerline(_originY - gap, 0F);
_ledgerlineBlockMetrics.Move(gap * 0.17, 0F);
_top -= (gap * 1.5F);
break;
case DurationClass.minim:
Move(gap * 0.18, 0);
_ledgerlineBlockMetrics = new LedgerlineBlockMetrics(Left - _ledgerlineStub, Right + _ledgerlineStub - (gap * 0.3F), ledgerlineStrokeWidth, llBlockClass);
_ledgerlineBlockMetrics.AddLedgerline(_originY, 0F);
_bottom += (gap * 1.5F);
break;
case DurationClass.quaver:
_top -= gap * 0.5;
_bottom += gap * 0.5;
break;
case DurationClass.semiquaver:
_top -= gap * 0.5;
_bottom += gap * 0.5;
break;
case DurationClass.threeFlags:
_top -= gap * 0.5;
_right += gap * 0.2;
_bottom += gap * 0.5;
_left -= gap * 0.2;
break;
case DurationClass.fourFlags:
_top -= gap * 0.5;
_right += gap * 0.1;
_bottom += gap * 1.25;
_left -= gap * 0.1;
_originY += gap;
break;
case DurationClass.fiveFlags:
_top -= gap * 1.5;
_right += gap * 0.2;
_bottom += gap * 1.25;
_left -= gap * 0.2;
_originY += gap;
break;
}
}