private OctaveShift CreateContinuedOctavaLine(OctaveShift octaveShift, double gap, System.Drawing.Graphics graphics)
{
OctaveShift continuedOctaveShiftContinues = null;
OctaveShiftExtender octaveShiftExtender = null;
foreach (var voice in Voices)
{
double yMax = Metrics.StafflinesBottom;
double yMin = Metrics.StafflinesTop;
var noteObjects = voice.NoteObjects;
for (var noteObjectIndex = 0; noteObjectIndex < noteObjects.Count; noteObjectIndex++)
{
if (noteObjects[noteObjectIndex] is OutputChordSymbol chord)
{
yMax = (yMax > chord.ChordMetrics.Bottom) ? yMax : chord.ChordMetrics.Bottom;
yMin = (yMin < chord.ChordMetrics.Top) ? yMin : chord.ChordMetrics.Top;
if (chord.EndOctaveShift != null)
{
// a continuation octaveShiftExtender with endmarker in this staff (= voice).
var y = (chord.EndOctaveShift.Orient == Orientation.up) ? yMin : yMax;
octaveShiftExtender =
new OctaveShiftExtender(chord.EndOctaveShift, graphics, this.Metrics.Left, chord.ChordMetrics.Right, y, gap, true, true);
this.Metrics.MetricsList.Add(octaveShiftExtender.Metrics);
this.Extenders.Add(octaveShiftExtender); // so that extender.Metrics.WriteSvg(w) will be called correctly
continuedOctaveShiftContinues = null;
break;
}
}
}
if (octaveShiftExtender == null)
{
// a continuation octaveShiftExtender, with no endmarker, that continues beyond the end of this staff (= voice).
var y = (octaveShift.Orient == Orientation.up) ? yMin : yMax;
octaveShiftExtender =
new OctaveShiftExtender(null, graphics, this.Metrics.Left, Metrics.Right + (gap * 1.1), y, gap, true, false);
this.Metrics.MetricsList.Add(octaveShiftExtender.Metrics);
this.Extenders.Add(octaveShiftExtender); // so that extender.Metrics.WriteSvg(w) will be called correctly
continuedOctaveShiftContinues = octaveShift;
}
}
return(continuedOctaveShiftContinues);
}
internal OctaveShift CreateOctaveShiftExtenders(System.Drawing.Graphics graphics, OctaveShift firstExtenderIsContinuation)
{
double gap = M.PageFormat.GapVBPX;
OctaveShift extenderContinuesOnNextSystem = null;
if (firstExtenderIsContinuation != null)
{
extenderContinuesOnNextSystem = CreateContinuedOctavaLine(firstExtenderIsContinuation, gap, graphics);
}
if (extenderContinuesOnNextSystem == null)
{
foreach (var voice in Voices)
{
var noteObjects = voice.NoteObjects;
for (var noteObjectIndex = 0; noteObjectIndex < noteObjects.Count; noteObjectIndex++)
{
double yMax = Metrics.StafflinesBottom;
double yMin = Metrics.StafflinesTop;
if (noteObjects[noteObjectIndex] is OutputChordSymbol leftChord && leftChord.OctaveShift != null)
{
yMax = (yMax > leftChord.ChordMetrics.Bottom) ? yMax : leftChord.ChordMetrics.Bottom;
yMin = (yMin < leftChord.ChordMetrics.Top) ? yMin : leftChord.ChordMetrics.Top;
OctaveShiftExtender octaveShiftExtender = null;
var octaveShift = leftChord.OctaveShift;
for (var rightNOIndex = noteObjectIndex; rightNOIndex < noteObjects.Count; rightNOIndex++)
{
if (noteObjects[rightNOIndex] is OutputChordSymbol rightChord)
{
yMax = (yMax > rightChord.ChordMetrics.Bottom) ? yMax : rightChord.ChordMetrics.Bottom;
yMin = (yMin < rightChord.ChordMetrics.Top) ? yMin : rightChord.ChordMetrics.Top;
if (rightChord.EventID == leftChord.OctaveShift.TargetID)
{
var y = (leftChord.OctaveShift.Orient == Orientation.up) ? yMin : yMax;
// an octaveShiftExtender with endmarker, that ends in this voice.
octaveShiftExtender =
new OctaveShiftExtender(octaveShift, graphics, leftChord.ChordMetrics.Left, rightChord.ChordMetrics.Right, y, gap, false, true);
extenderContinuesOnNextSystem = leftChord.OctaveShift;
break;
}
}
}
if (octaveShiftExtender == null)
{
var y = (leftChord.OctaveShift.Orient == Orientation.up) ? yMin : yMax;
// an octaveShiftExtender, without endmarker, that extends to the right of the system.
octaveShiftExtender =
new OctaveShiftExtender(octaveShift, graphics, leftChord.ChordMetrics.Left, Metrics.Right + (gap * 1.1), y, gap, false, false);
extenderContinuesOnNextSystem = leftChord.OctaveShift;
}
this.Metrics.MetricsList.Add(octaveShiftExtender.Metrics); // so that the extender will be moved vertically correctly
this.Extenders.Add(octaveShiftExtender); // so that extender.Metrics.WriteSvg(w) will be called correctly
}
}
}
}
return(extenderContinuesOnNextSystem);
}