public DiagramBarre NewBarre(BarrePosition position)
{
DiagramBarre barre = new DiagramBarre(this, position);
_barres.Add(barre);
return(barre);
}
public override sealed void Read(XmlReader xmlReader)
{
if (null == xmlReader)
{
throw new ArgumentNullException(nameof(xmlReader));
}
using (xmlReader)
{
if (xmlReader.IsStartElement() && xmlReader.Name == "barre")
{
Text = xmlReader.GetAttribute("text");
int fret = int.Parse(xmlReader.GetAttribute("fret"));
int start = int.Parse(xmlReader.GetAttribute("start"));
int end = int.Parse(xmlReader.GetAttribute("end"));
Position = new BarrePosition(fret, start, end);
while (xmlReader.Read())
{
if (xmlReader.IsStartElement() && xmlReader.Name == "style")
{
Style.Read(xmlReader.ReadSubtree());
}
}
}
}
}
public bool ValidPosition(ElementPosition position)
{
if (null == position)
{
throw new ArgumentNullException(nameof(position));
}
if (position.GetType() == typeof(MarkPosition))
{
MarkPosition mp = (MarkPosition)position;
return((mp.Fret <= NumFrets + 1) && (mp.String <= NumStrings));
}
else if (position.GetType() == typeof(FretLabelPosition))
{
FretLabelPosition flp = (FretLabelPosition)position;
return(flp.Fret <= NumFrets);
}
else if (position.GetType() == typeof(BarrePosition))
{
BarrePosition bp = (BarrePosition)position;
return(bp.Fret <= NumFrets && bp.StartString <= NumStrings && bp.EndString <= NumStrings);
}
return(false);
}
public bool CanRemoveBarreAt(BarrePosition position)
{
if (null == position)
{
throw new ArgumentNullException(nameof(position));
}
return(HasElementAt(position));
}
public bool CanAddNewBarreAt(BarrePosition position)
{
if (null == position)
{
throw new ArgumentNullException(nameof(position));
}
if (ValidPosition(position) && !HasElementAt(position))
{
foreach (DiagramBarre barre in Barres)
{
if (barre.Position.Overlaps(position))
{
return(false);
}
}
return(true);
}
return(false);
}
public bool Overlaps(BarrePosition position)
{
if (null == position)
{
throw new ArgumentNullException(nameof(position));
}
if (this == position)
{
return(true);
}
if (Fret == position.Fret)
{
if (StartString == position.StartString || EndString == position.EndString)
{
return(true);
}
else if (StartString < position.StartString)
{
if (EndString >= position.StartString)
{
return(true);
}
}
else if (StartString > position.StartString)
{
if (position.EndString >= StartString)
{
return(true);
}
}
}
return(false);
}
public DiagramBarre(Diagram parent, BarrePosition position) : base(parent, position)
{
}
public Diagram ToDiagram(ChordFinderStyle chordFinderStyle)
{
int[] marks = MarkUtils.AbsoluteToRelativeMarks(Marks, out int baseLine, Parent.ChordFinderOptions.NumFrets);
InternalNote?[] notes = MarkUtils.GetInternalNotes(Marks, Parent.ChordFinderOptions.Tuning);
InternalNote rootNote = NoteUtils.ToInternalNote(Parent.ChordFinderOptions.RootNote);
if (chordFinderStyle.MirrorResults)
{
Array.Reverse(marks);
Array.Reverse(notes);
}
int numStrings = marks.Length;
int numFrets = Parent.ChordFinderOptions.NumFrets;
Diagram d = new Diagram(chordFinderStyle.Style, numStrings, numFrets);
if (chordFinderStyle.AddTitle)
{
d.Title = NoteUtils.ToString(Parent.ChordFinderOptions.RootNote) + Parent.ChordFinderOptions.ChordQuality.Abbreviation;
d.Style.TitleLabelStyle = DiagramLabelStyle.ChordName;
}
// Add marks
for (int i = 0; i < marks.Length; i++)
{
int @string = i + 1;
int fret = Math.Max(marks[i], 0);
MarkPosition mp = new MarkPosition(@string, fret);
DiagramMark dm = d.NewMark(mp);
// Set mark type
if (marks[i] == -1) // Muted string
{
dm.Type = DiagramMarkType.Muted;
}
else if (marks[i] == 0) // Open string
{
dm.Type = DiagramMarkType.Open;
}
// Change to root if necessary
if (chordFinderStyle.AddRootNotes && notes[i].HasValue && notes[i].Value == rootNote)
{
dm.Type = (dm.Type == DiagramMarkType.Open) ? DiagramMarkType.OpenRoot : DiagramMarkType.Root;
}
// Add text
if (chordFinderStyle.MarkTextOption != MarkTextOption.None)
{
dm.Text = GetText(notes, i, chordFinderStyle.MarkTextOption);
}
// Add bottom marks
if (chordFinderStyle.AddBottomMarks)
{
MarkPosition bottomPosition = new MarkPosition(@string, numFrets + 1);
DiagramMark bottomMark = d.NewMark(bottomPosition);
bottomMark.Type = DiagramMarkType.Bottom;
bottomMark.Text = GetText(notes, i, chordFinderStyle.BottomMarkTextOption);
}
}
// Add nut or fret label
if (baseLine == 0)
{
d.Style.GridNutVisible = true;
}
else
{
d.Style.GridNutVisible = false;
FretLabelPosition flp = new FretLabelPosition(chordFinderStyle.FretLabelSide, 1);
d.NewFretLabel(flp, baseLine.ToString());
}
// Add barre
BarrePosition bp = MarkUtils.AutoBarrePosition(marks, chordFinderStyle.BarreTypeOption, chordFinderStyle.MirrorResults);
if (null != bp)
{
d.NewBarre(bp);
}
return(d);
}
public override bool Equals(ElementPosition obj)
{
BarrePosition bp = (obj as BarrePosition);
return(null != bp && bp.Fret == Fret && bp.StartString == StartString && bp.EndString == EndString);
}
public ElementPosition GetPosition <T>(double x, double y) where T : ElementPosition
{
GetPositionInternal(x, y, out int @string, out int fret);
try
{
if (typeof(T) == typeof(MarkPosition))
{
MarkPosition mp = new MarkPosition(@string, fret);
if (ValidPosition(mp))
{
return(mp);
}
}
else if (typeof(T) == typeof(FretLabelPosition))
{
FretLabelSide?fls = null;
if (@string == 0)
{
fls = FretLabelSide.Left;
}
else if (@string == NumStrings + 1)
{
fls = FretLabelSide.Right;
}
if (fls.HasValue)
{
FretLabelPosition flp = new FretLabelPosition(fls.Value, fret);
if (ValidPosition(flp))
{
return(flp);
}
}
}
else if (typeof(T) == typeof(BarrePosition))
{
// Try to find existing barre covering @string
foreach (DiagramBarre barre in Barres)
{
if (barre.Position.Contains(fret, @string))
{
return(barre.Position.Clone());
}
}
// Find the largest clear range
int startString = @string;
for (int endString = NumStrings; endString > startString; endString--)
{
BarrePosition bp = new BarrePosition(fret, startString, endString);
if (CanAddNewBarreAt(bp))
{
return(bp);
}
}
}
}
catch (Exception) { }
return(null);
}
public void RemoveBarre(BarrePosition position)
{
_barres.Remove((DiagramBarre)ElementAt(position));
}
