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);
}
public OctaveShiftExtender(OctaveShift octaveShift, Graphics graphics, double leftChordLeft, double rightChordRight, double chordsY, double gap,
bool isContinuation, bool displayEndMarker)
{
string text = null;
switch (octaveShift.Type)
{
case OctaveShiftType.down3Oct:
text = "3oct";
break;
case OctaveShiftType.down2Oct:
text = "2oct";
break;
case OctaveShiftType.down1Oct:
text = "8va";
break;
case OctaveShiftType.up1Oct:
text = "8va"; // bassa
break;
case OctaveShiftType.up2Oct:
text = "2oct"; // bassa
break;
case OctaveShiftType.up3Oct:
text = "3oct"; // bassa
break;
}
double hLineY = 0;
double textY = 0;
double textFontHeight = M.PageFormat.OctaveShiftExtenderTextFontHeight;
double endMarkerHeight = gap * 0.8;
if (octaveShift.Orient == MNX.Common.Orientation.up)
{
hLineY = chordsY - (gap * 1.3);
textY = hLineY + (textFontHeight * 0.6);
}
else
{
hLineY = chordsY + (gap * 1.2);
textY = hLineY + (gap * 0.1);
endMarkerHeight *= -1;
}
string dashArrayString = (gap / 2).ToString(); // https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/stroke-dasharray
TextInfo textInfo = null;
if (isContinuation)
{
text = "(" + text + ")";
textInfo = new TextInfo(text, M.PageFormat.OctaveShiftExtenderTextFontFamily, textFontHeight * 0.9, SVGFontWeight.normal, SVGFontStyle.italic, TextHorizAlign.left);
}
else
{
textInfo = new TextInfo(text, M.PageFormat.OctaveShiftExtenderTextFontFamily, textFontHeight, SVGFontWeight.bold, SVGFontStyle.italic, TextHorizAlign.left);
}
TextMetrics textMetrics = new TextMetrics(CSSObjectClass.octaveShiftExtenderText, graphics, textInfo);
textMetrics.Move(leftChordLeft - textMetrics.Left, textY - textMetrics.OriginY);
Metrics = new OctaveShiftExtenderMetrics(textMetrics, leftChordLeft, rightChordRight, hLineY, dashArrayString, endMarkerHeight, displayEndMarker);
}
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);
}
