public ChordOptions GetOptionsForLine(int index)
{
ChordOptions co = new ChordOptions();
if (index >= 0 && index < Count)
{
for (int i = 0; i <= index; i++)
{
ILineItem lineItem = GetLine(i);
if (lineItem is ChordOptions)
{
co = (ChordOptions)lineItem;
}
}
}
return(co);
}
public void CopyTo(ChordOptions co)
{
if (null == co)
{
throw new ArgumentNullException("co");
}
co.Width = this.Width;
co.Height = this.Height;
co.StrokeWidth = this.StrokeWidth;
co.Margin = this.Margin;
co.FontSize = this.FontSize;
co.FontFamily = this.FontFamily;
co.FontStyle = this.FontStyle;
co.BarreType = this.BarreType;
co.OpenStringType = this.OpenStringType;
co.FullBarres = this.FullBarres;
}
public string ToSvg(ChordOptions chordOptions)
{
StringBuilder sb = new StringBuilder("");
// Chart Title
if (!String.IsNullOrEmpty(Title))
{
string chord = Title[0].ToString();
string chordModifier = Title.Substring(1);
double modifierFontSize = chordOptions.FontSize * 0.75;
string title = chord + String.Format(TSPAN, modifierFontSize, chordModifier);
string fontStyle = "";
if (chordOptions.FontStyle == FontStyle.Bold ||
chordOptions.FontStyle == FontStyle.BoldItalic)
{
fontStyle += "font-weight:bold;";
}
if (chordOptions.FontStyle == FontStyle.Italic ||
chordOptions.FontStyle == FontStyle.BoldItalic)
{
fontStyle += "font-style:italic;";
}
double titleX = chordOptions.Width / 2.0;
double titleY = chordOptions.Margin + (chordOptions.FontSize / 2.0);
sb.AppendFormat(TEXT,
chordOptions.FontSize,
chordOptions.FontFamily,
fontStyle,
"middle",
titleX,
titleY,
title);
}
//TODO Add option to remove title spacing when title is absent
double titleHeight = chordOptions.FontSize;
// Rect
double rectWidth = chordOptions.Width - (2.0 * chordOptions.Margin);
double rectHeight = chordOptions.Height - titleHeight - (2.0 * chordOptions.Margin);
double rectX = chordOptions.Margin;
double rectY = chordOptions.Margin + titleHeight;
sb.AppendFormat(BASE,
chordOptions.StrokeWidth,
rectWidth,
rectHeight,
rectX,
rectY);
// Vertical Lines
double vSpacing = rectWidth / (NumStrings - 1);
for (int vLine = 1; vLine < NumStrings - 1; vLine++)
{
double x = rectX + (vLine * vSpacing);
double y1 = rectY;
double y2 = y1 + rectHeight;
sb.AppendFormat(LINE,
chordOptions.StrokeWidth,
x,
y1,
x,
y2);
}
// Horizontal Lines
double hSpacing = rectHeight / NumFrets;
for (int hLine = 1; hLine < NumFrets; hLine++)
{
double x1 = rectX;
double x2 = rectX + rectWidth;
double y = rectY + (hLine * hSpacing);
sb.AppendFormat(LINE,
chordOptions.StrokeWidth,
x1,
y,
x2,
y);
}
double strokeCorrection = chordOptions.StrokeWidth / 2.0;
double markRadius = Math.Min(vSpacing, hSpacing) / 3.0;
double muteRadius = markRadius / 2.0;
// Baseline or Marker Number
if (BaseLine == 0)
{
// Add thicker baseline
double x1 = rectX - strokeCorrection;
double x2 = rectX + rectWidth + strokeCorrection;
double y = rectY - strokeCorrection;
sb.AppendFormat(LINE,
chordOptions.StrokeWidth * 2.0,
x1,
y,
x2,
y);
}
else if (BaseLine > 1)
{
// Add marker number
double nFontSize = hSpacing * 0.75;
double nX = rectX + rectWidth + (chordOptions.Margin / 4.0);
double nY = rectY - strokeCorrection + ((hSpacing + nFontSize) / 2.0);
sb.AppendFormat(TEXT,
nFontSize,
chordOptions.FontFamily,
"",
"left",
nX,
nY,
BaseLine);
}
// Marks
int firstMark = -1;
int lastMark = -1;
bool onBarre = false;
for (int mark = 0; mark < Marks.Length; mark++)
{
double mX = rectX + (vSpacing * mark);
double mY = rectY + (hSpacing / 2.0) + (hSpacing * (Marks[mark] - 1));
if (Marks[mark] > 0 && Marks[mark] <= NumFrets) // Mark
{
if (!onBarre)
{
firstMark = mark;
onBarre = true;
}
if (onBarre)
{
if (Marks[firstMark] > Marks[mark])
{
firstMark = mark;
}
lastMark = mark;
}
sb.AppendFormat(SOLID_CIRCLE,
markRadius,
mX,
mY);
}
else
{
onBarre = false; // Hit an unmarked string, restart the barre
mY = rectY - (hSpacing / 2.0); // Align above top line
if (Marks[mark] == 0) // Open string
{
if (chordOptions.OpenStringType == OpenStringType.Circle)
{
sb.AppendFormat(OPEN_CIRCLE,
chordOptions.StrokeWidth,
muteRadius,
mX,
mY);
}
}
else if (Marks[mark] < 0) // Muted string
{
sb.AppendFormat(LINE,
chordOptions.StrokeWidth,
mX - muteRadius, // top left
mY - muteRadius, // top left
mX + muteRadius, // bottom right
mY + muteRadius); // bottom right
sb.AppendFormat(LINE,
chordOptions.StrokeWidth,
mX - muteRadius, // bottom left
mY + muteRadius, // bottom left
mX + muteRadius, // top right
mY - muteRadius); // top right
}
}
}
// Barre
int barreFret = Barre;
if (barreFret < 0) // Calculate auto-barre
{
if (firstMark >= 0 && lastMark >= 0 && firstMark != lastMark)
{
barreFret = Math.Min(Marks[firstMark], Marks[lastMark]);
}
else
{
barreFret = 0;
}
}
if (barreFret != 0 && barreFret <= NumFrets)
{
double bStartX = rectX + (chordOptions.FullBarres ? 0 : (firstMark * vSpacing));
double bEndX = rectX + (chordOptions.FullBarres ? rectWidth : (lastMark * vSpacing));
double bY = rectY + (hSpacing / 2.0) + (hSpacing * (barreFret - 1));
if (chordOptions.BarreType == BarreType.Arc)
{
double bRadiusX = rectWidth;
double bRadiusY = hSpacing;
sb.AppendFormat(ARC,
chordOptions.StrokeWidth,
bStartX,
bY,
bRadiusX,
bRadiusY,
bEndX,
bY);
}
else if (chordOptions.BarreType == BarreType.Straight)
{
sb.AppendFormat(LINE,
chordOptions.StrokeWidth,
bStartX,
bY,
bEndX,
bY);
}
}
return(String.Format(SVG,
chordOptions.Width,
chordOptions.Height,
sb.ToString().Trim()));
}