public static DiagramCollection Load(DiagramStyle parentStyle, Stream inputStream)
{
if (null == parentStyle)
{
throw new ArgumentNullException(nameof(parentStyle));
}
if (null == inputStream)
{
throw new ArgumentNullException(nameof(inputStream));
}
DiagramCollection collection = new DiagramCollection(parentStyle);
using (StreamReader sr = new StreamReader(inputStream))
{
ChordOptions currentChordOptions = new ChordOptions();
string line;
while (null != (line = sr.ReadLine()))
{
line = line.Trim();
try
{
if (line.StartsWith(CommentPrefix)) // line is a comment
{
// ignore
}
else if (line.StartsWith(OptionsPrefix)) // line modifies the options
{
currentChordOptions = new ChordOptions(line);
}
else if (!string.IsNullOrEmpty(line)) // treat line as a chord
{
Chord chord = new Chord(line);
Diagram diagram = GetDiagram(chord, currentChordOptions, collection.Style);
collection.Add(diagram);
}
}
catch (Exception) { }
}
}
return(collection);
}
public void CopyTo(ChordOptions co)
{
if (null == co)
{
throw new ArgumentNullException("co");
}
co.Width = Width;
co.Height = Height;
co.StrokeWidth = StrokeWidth;
co.Margin = Margin;
co.FontSize = FontSize;
co.FontFamily = FontFamily;
co.FontStyle = FontStyle;
co.BarreType = BarreType;
co.OpenStringType = OpenStringType;
co.FullBarres = FullBarres;
}
internal static Diagram GetDiagram(Chord chord, ChordOptions chordOptions, DiagramStyle parentStyle)
{
if (null == chord)
{
throw new ArgumentNullException(nameof(chord));
}
if (null == chordOptions)
{
throw new ArgumentNullException(nameof(chordOptions));
}
if (null == parentStyle)
{
throw new ArgumentNullException(nameof(parentStyle));
}
Diagram diagram = new Diagram(parentStyle, chord.NumStrings, chord.NumFrets);
// Setup base
diagram.Style.Orientation = DiagramOrientation.UpDown;
diagram.Style.LabelLayoutModel = DiagramLabelLayoutModel.AddPaddingVertical;
diagram.Style.DiagramColor = "White";
diagram.Style.DiagramOpacity = 0;
diagram.Style.DiagramBorderColor = "Black";
diagram.Style.DiagramBorderThickness = 0;
// Process title
diagram.Title = chord.Title;
diagram.Style.TitleLabelStyle = DiagramLabelStyle.ChordName;
diagram.Style.TitleTextSize = chordOptions.FontSize * (19.0 / 24.0);
diagram.Style.TitleVisible = true;
diagram.Style.TitleTextSizeModRatio = 0.75;
diagram.Style.TitleGridPadding = diagram.Style.TitleTextSize / 2.0;
diagram.Style.TitleFontFamily = chordOptions.FontFamily;
diagram.Style.TitleColor = "Black";
diagram.Style.TitleOpacity = 1;
diagram.Style.TitleTextAlignment = DiagramHorizontalAlignment.Center;
// Process grid
double margin = chordOptions.Margin;
diagram.Style.GridMargin = margin;
diagram.Style.GridMarginLeft = margin;
diagram.Style.GridMarginRight = margin;
diagram.Style.GridMarginTop = margin;
diagram.Style.GridMarginBottom = margin;
double titleHeight = diagram.Style.TitleTextSize;
double rectWidth = chordOptions.Width - (2.0 * chordOptions.Margin);
double rectHeight = chordOptions.Height - titleHeight - (2.0 * chordOptions.Margin);
diagram.Style.GridLineThickness = chordOptions.StrokeWidth;
diagram.Style.GridStringSpacing = rectWidth / (chord.NumStrings - 1);
diagram.Style.GridFretSpacing = rectHeight / chord.NumFrets;
diagram.Style.GridLineColor = "White";
diagram.Style.GridOpacity = 0;
diagram.Style.GridLineColor = "Black";
DiagramTextStyle titleTextStyle = DiagramTextStyle.Regular;
switch (chordOptions.FontStyle)
{
case FontStyle.Bold:
titleTextStyle = DiagramTextStyle.Bold;
break;
case FontStyle.Italic:
titleTextStyle = DiagramTextStyle.Italic;
break;
case FontStyle.BoldItalic:
titleTextStyle = DiagramTextStyle.BoldItalic;
break;
}
diagram.Style.TitleTextStyle = titleTextStyle;
// Process marks
DiagramMarkStyleWrapper dmsw = new DiagramMarkStyleWrapper(diagram.Style);
dmsw.MarkType = DiagramMarkType.Normal;
dmsw.MarkVisible = true;
dmsw.MarkRadiusRatio = 0.67;
dmsw.MarkShape = DiagramMarkShape.Circle;
dmsw.MarkBorderThickness = 2;
dmsw.MarkColor = "Black";
dmsw.MarkOpacity = 1.0;
dmsw.MarkBorderColor = "Black";
dmsw.MarkType = DiagramMarkType.Muted;
dmsw.MarkVisible = true;
dmsw.MarkRadiusRatio = 0.33;
dmsw.MarkShape = DiagramMarkShape.X;
dmsw.MarkBorderThickness = 2;
dmsw.MarkColor = "Black";
dmsw.MarkOpacity = 1.0;
dmsw.MarkBorderColor = "Black";
dmsw.MarkType = DiagramMarkType.Open;
bool openCircle = (chordOptions.OpenStringType == OpenStringType.Circle);
dmsw.MarkVisible = openCircle;
dmsw.MarkRadiusRatio = 0.33;
dmsw.MarkShape = openCircle ? DiagramMarkShape.Circle : DiagramMarkShape.None;
dmsw.MarkBorderThickness = 2;
dmsw.MarkColor = "White";
dmsw.MarkOpacity = 1.0;
dmsw.MarkBorderColor = "Black";
for (int str = 0; str < chord.Marks.Length; str++)
{
int fret = chord.Marks[str];
MarkPosition mp = new MarkPosition(str + 1, Math.Max(fret, 0));
if (fret == -1)
{
DiagramMark mutedMark = diagram.NewMark(mp);
mutedMark.Type = DiagramMarkType.Muted;
}
else if (fret == 0 && openCircle)
{
DiagramMark openMark = diagram.NewMark(mp);
openMark.Type = DiagramMarkType.Open;
}
else if (fret > 0)
{
diagram.NewMark(mp);
}
}
diagram.Style.BarreVisible = true;
diagram.Style.BarreVerticalAlignment = DiagramVerticalAlignment.Middle;
diagram.Style.BarreArcRatio = 0.5;
diagram.Style.BarreStack = DiagramBarreStack.UnderMarks;
diagram.Style.BarreOpacity = 1.0;
diagram.Style.BarreLineColor = "Black";
diagram.Style.BarreLineThickness = 2.0;
// Process barres
if (chordOptions.BarreType == BarreType.None)
{
diagram.Style.BarreVisible = false;
}
BarrePosition bp = MarkUtils.AutoBarrePosition(chord.Marks);
if (chord.Barre == -1)
{
if (chordOptions.FullBarres && null != bp)
{
bp = new BarrePosition(bp.Fret, 1, chord.NumStrings);
}
}
else if (chord.Barre == 0)
{
bp = null;
}
else if (chord.Barre > 0)
{
if (null != bp)
{
if (chordOptions.FullBarres)
{
bp = new BarrePosition(bp.Fret, 1, chord.NumStrings);
}
else
{
bp = new BarrePosition(chord.Barre, bp.StartString, bp.EndString);
}
}
}
if (chordOptions.FullBarres && null != bp)
{
bp = new BarrePosition(bp.Fret, 1, chord.NumStrings);
}
if (null != bp)
{
if (chordOptions.BarreType == BarreType.Straight)
{
DiagramBarre straightBarre = diagram.NewBarre(bp);
straightBarre.Style.BarreArcRatio = 0;
}
else if (chordOptions.BarreType == BarreType.Arc)
{
diagram.NewBarre(bp);
}
}
// Process baseline / fret marker
diagram.Style.GridNutVisible = false;
diagram.Style.GridNutRatio = 2.0;
diagram.Style.FretLabelTextVisible = true;
diagram.Style.FretLabelTextAlignment = DiagramHorizontalAlignment.Left;
diagram.Style.FretLabelTextSizeRatio = 0.6;
diagram.Style.FretLabelTextWidthRatio = 0.5;
diagram.Style.FretLabelTextStyle = DiagramTextStyle.Regular;
diagram.Style.FretLabelGridPadding = margin / 4.0;
diagram.Style.FretLabelTextColor = "Black";
diagram.Style.FretLabelTextOpacity = 1.0;
diagram.Style.FretLabelFontFamily = chordOptions.FontFamily;
int baseLine = chord.BaseLine;
if (baseLine == 0)
{
diagram.Style.GridNutVisible = true;
}
else if (chord.BaseLine > 1)
{
FretLabelPosition flp = new FretLabelPosition(FretLabelSide.Right, 1);
diagram.NewFretLabel(flp, baseLine.ToString());
}
return(diagram);
}