private void DrawFrets(int numberOfStrings, IGenericDrawingSurface g, int startX, int startY)
{
//draw nut
double fretLength = (_guitarModel.GuitarModelSettings.StringSpacing * (numberOfStrings));
var nutX = startX - 2;
g.DrawLine(nutX, startY + _guitarModel.GuitarModelSettings.StringSpacing, nutX, startY + fretLength, 2, ColorPalette[ThemeColorPreset.MutedForeground]);
for (int i = 0; i < _guitarModel.GuitarModelSettings.NumberFrets + 1; i++)
{
int fretTopX = startX + GuitarString.FretNumberToClientX(i, _guitarModel, 0);
int fretBottomX = startX + GuitarString.FretNumberToClientX(i, _guitarModel, _guitarModel.NumberOfStrings - 1);
int nextFretX = startX + GuitarString.FretNumberToClientX(i + 1, _guitarModel, 0);
g.DrawLine(fretTopX, startY + _guitarModel.GuitarModelSettings.StringSpacing, fretBottomX, startY + fretLength, 1, ColorPalette[ThemeColorPreset.Foreground]);
//draw fret marker at specific points
if (_guitarModel.FretsWithMarkers.Contains(i))
{
double markerLeft = fretTopX - ((nextFretX - fretTopX) / 2) - 3;
if (_guitarModel.FretMarkerStyle == FretMarkerStyle.Dots)
{
if (i % 12 == 0) //fret 12 & 24 get double marker
{
g.FillEllipse(markerLeft, startY + (_guitarModel.GuitarModelSettings.StringSpacing * numberOfStrings) - _guitarModel.GuitarModelSettings.StringSpacing, 5, 5, ColorPalette[ThemeColorPreset.Subtle], ColorPalette[ThemeColorPreset.Subtle]);
g.FillEllipse(markerLeft, startY + (_guitarModel.GuitarModelSettings.StringSpacing * 2), 5, 5, ColorPalette[ThemeColorPreset.Subtle], ColorPalette[ThemeColorPreset.Subtle]);
}
else
{
g.FillEllipse(markerLeft, startY + (_guitarModel.GuitarModelSettings.StringSpacing * (numberOfStrings / 2)) + 2, 5, 5, ColorPalette[ThemeColorPreset.Subtle], ColorPalette[ThemeColorPreset.Subtle]);
}
}
}
}
}
public void DrawGuitarString(GuitarString s, int startY, int offsetX, IGenericDrawingSurface g)
{
String strNote = "";
int startX = offsetX;
//draw string
int fretboardWidth = s.GetFretboardWidth(_guitarModel, s.StringNumber);
int fanScaleMM = (int)_guitarModel.MultiScaleFanFactor;
if (_guitarModel.IsMultiScale)
{
startX += (s.StringNumber * fanScaleMM);
fretboardWidth = fretboardWidth - (s.StringNumber * fanScaleMM * 2);
}
if (_guitarModel.GuitarModelSettings.EnableDiagramStrings)
{
var stringThickness = 0.3 + ((_guitarModel.NumberOfStrings - s.StringNumber) * 0.1);
g.DrawLine(startX, startY - 0.5, startX + fretboardWidth, startY - 0.5, stringThickness, ColorPalette[ThemeColorPreset.Foreground]);
g.DrawLine(startX, startY, startX + fretboardWidth, startY, stringThickness, ColorPalette[ThemeColorPreset.MutedForeground]);
}
for (int fretNum = 0; fretNum <= _guitarModel.GuitarModelSettings.NumberFrets; fretNum++)
{
int tmpVal = fretNum + (int)s.OpenTuning.SelectedNote;
int octave = 1;
if (tmpVal > 11)
{
tmpVal = tmpVal - 12;
octave++;
}
if (tmpVal > 11)
{
tmpVal = tmpVal - 12;
octave++;
}
int sclVal = (fretNum - (int)_guitarModel.GuitarModelSettings.ScaleManager.CurrentKey) + (int)s.OpenTuning.SelectedNote;
if (sclVal < 0)
{
sclVal = sclVal + 12;
}
if (sclVal > 11)
{
sclVal = sclVal - 12;
}
if (sclVal > 11)
{
sclVal = sclVal - 12;
}
if (sclVal < 0)
{
System.Diagnostics.Debug.WriteLine(sclVal);
}
if (_guitarModel.SelectedScale.ScaleIntervals[sclVal] == true)
{
if (fretNum <= _guitarModel.GuitarModelSettings.NumberFrets)
{
ColorValue strokeColor = ColorPalette[ThemeColorPreset.Foreground];
ColorValue fillColor = ColorPalette[ThemeColorPreset.Foreground];
if (fretNum == 0)
{
//fret zero has empty circle marker
fillColor = ColorPalette[ThemeColorPreset.Subtle];
}
if ((Note)tmpVal == _guitarModel.GetKey())
{
//root note has accent colour border
strokeColor = ColorPalette[ThemeColorPreset.Accent];
}
if (_guitarModel.GuitarModelSettings.EnableDisplacedFingeringMarkers)
{
//displace marker to place behind fret
if (fretNum > 0)
{
var posL = startX - GuitarString.FretNumberToClientX(fretNum - 1, _guitarModel, s.StringNumber);
startX -= posL / 2;
startX += (_guitarModel.GuitarModelSettings.MarkerSize / 2);
}
else
{
//fret 0, displace marker behind nut
startX = startX - (_guitarModel.GuitarModelSettings.MarkerSize / 2);
}
}
var currentNote = new NoteItem
{
Note = (Note)tmpVal,
X = startX - (_guitarModel.GuitarModelSettings.MarkerSize / 2),
Y = startY - (_guitarModel.GuitarModelSettings.MarkerSize / 2),
FretNumber = fretNum,
StringNumber = s.StringNumber,
Octave = octave
};
_noteList.Add(currentNote);
if (_hightlightedNotes.Any(n => n.Note == currentNote.Note && n.StringNumber == currentNote.StringNumber && n.Octave == currentNote.Octave))
{
// highlight
g.FillEllipse(startX - (_guitarModel.GuitarModelSettings.MarkerSize / 2), startY - (_guitarModel.GuitarModelSettings.MarkerSize / 2), _guitarModel.GuitarModelSettings.MarkerSize, _guitarModel.GuitarModelSettings.MarkerSize, ColorPalette[ThemeColorPreset.MutedBackground], new ColorValue(255, 255, 255, 255));
}
//draw note marker centered behind fret
if (_guitarModel.GuitarModelSettings.EnableNoteColours == true)
{
var noteColor = NoteManager.GetNoteColour((Note)tmpVal, 2);
if (_hightlightedNotes.Any())
{
noteColor.A = 128;
}
g.FillEllipse(startX - (_guitarModel.GuitarModelSettings.MarkerSize / 2), startY - (_guitarModel.GuitarModelSettings.MarkerSize / 2), _guitarModel.GuitarModelSettings.MarkerSize, _guitarModel.GuitarModelSettings.MarkerSize, ColorPalette[ThemeColorPreset.MutedBackground], noteColor);
}
else
{
g.FillEllipse(startX - (_guitarModel.GuitarModelSettings.MarkerSize / 2), startY - (_guitarModel.GuitarModelSettings.MarkerSize / 2), _guitarModel.GuitarModelSettings.MarkerSize, _guitarModel.GuitarModelSettings.MarkerSize, fillColor, strokeColor);
}
//if enabled, draw note name/sequence number
if (_guitarModel.GuitarModelSettings.EnableDiagramNoteNames || _guitarModel.GuitarModelSettings.EnableDiagramNoteSequence || _guitarModel.GuitarModelSettings.EnableDiagramScaleIntervals)
{
if (_guitarModel.GuitarModelSettings.EnableDiagramNoteNames)
{
strNote = NoteManager.GetNoteName((Note)tmpVal, _guitarModel.GuitarModelSettings.EnableDiagramNoteNamesSharp);
}
if (_guitarModel.GuitarModelSettings.EnableDiagramNoteSequence)
{
strNote = "" + _guitarModel.GuitarModelSettings.ScaleManager.CurrentScale.GetSequenceNumberInScale(sclVal);
}
if (_guitarModel.GuitarModelSettings.EnableDiagramScaleIntervals)
{
strNote = "" + _guitarModel.GuitarModelSettings.ScaleManager.CurrentScale.GetIntervalNameInScale(sclVal);
}
double markerFontSize = BasicFontSizePt;
double labelX = startX - (_guitarModel.GuitarModelSettings.MarkerSize * 0.45);
double labelY = startY - (markerFontSize * 0.3);
if (strNote.Length == 1)
{
labelX += markerFontSize * 0.3;
g.DrawString(labelX + 0.5, labelY + 0.5, strNote, markerFontSize, ColorPalette[ThemeColorPreset.TextShadow]); //shadow
g.DrawString(labelX, labelY, strNote, markerFontSize, ColorPalette[ThemeColorPreset.ForegroundText]);
}
else
{
labelX += markerFontSize * 0.2;
labelY += markerFontSize * 0.1;
g.DrawString(labelX + 0.5, labelY + 0.5, strNote, markerFontSize * .8, ColorPalette[ThemeColorPreset.TextShadow]);
g.DrawString(labelX, labelY, strNote, markerFontSize * .8, ColorPalette[ThemeColorPreset.ForegroundText]);
}
}
}
}
startX = offsetX + GuitarString.FretNumberToClientX(fretNum + 1, _guitarModel, s.StringNumber);
}
}
public override void Render(IGenericDrawingSurface canvas)
{
if (EnableRendering == false)
{
return;
}
if (CurrentChordDiagrams == null)
{
return;
}
DrawingColor = ColorPalette[ThemeColorPreset.Foreground];
BackgroundColor = ColorPalette[ThemeColorPreset.Background];
IGenericDrawingSurface g = InitialiseDrawingSurface(canvas, 800, 1024);
int startX = GENERAL_PADDING;
int startY = GENERAL_PADDING;
int stringSpacing = STRING_SPACING;
int fretSpacing = FRET_SPACING;
int fretMarkerSize = FRET_MARKERSIZE;
int numFrets = NUMBER_OF_FRETS;
int fontSize = FONT_SIZE;
int fretBoardWidth = (stringSpacing * (GuitarModel.NumberOfStrings - 1));
int minFretboardBoxSize = (stringSpacing * 5); //allow min fretboard spacing of 6 strings width
int chordsPerRow = ChordsPerRow;
int rowY = startY;
int titleSpacing = fontSize * 2;
int rowChordCount = 0;
int xPos, yPos;
foreach (ChordDiagram CurrentChordDiagram in CurrentChordDiagrams)
{
if (rowChordCount >= chordsPerRow)
{
//start new row
rowY += (titleSpacing * 2) + (numFrets * fretSpacing);
xPos = startX;
yPos = rowY;
rowChordCount = 0;
}
else
{
//start next chord on same row
if (rowChordCount > 0)
{
//next chord position in row is based on fretboardwidth +padding
xPos = startX +
(rowChordCount *
(fretBoardWidth < minFretboardBoxSize ? minFretboardBoxSize : fretBoardWidth) + (rowChordCount * stringSpacing)
);
//+ (rowChordCount * stringSpacing) + stringSpacing;
}
else
{
xPos = startX;
}
yPos = rowY;
}
//draw chord name
g.DrawString(xPos, yPos, CurrentChordDiagram.ChordName, fontSize, DrawingColor);
yPos += fontSize * 2;
//draw nut (if chord starts at fret 0)
g.DrawLine(xPos, yPos, xPos + fretBoardWidth, yPos, 2D, DrawingColor);
//draw strings
for (int i = 0; i < GuitarModel.NumberOfStrings; i++)
{
double currentX = xPos + (i * stringSpacing);
g.DrawLine(currentX, yPos, currentX, yPos + (numFrets * fretSpacing), 1, DrawingColor);
}
//draw frets
for (int i = 0; i <= numFrets; i++)
{
double currentY = yPos + (i * fretSpacing);
g.DrawLine(xPos, currentY, xPos + fretBoardWidth, currentY, 1, DrawingColor);
}
//draw fretted notes per string
for (int i = 0; i < GuitarModel.NumberOfStrings; i++)
{
double currentX = xPos + (i * stringSpacing) - (fretMarkerSize / 2); //position marker centred on string
if (CurrentChordDiagram.FrettedStrings[i] != null)
{
int fret = CurrentChordDiagram.FrettedStrings[i].Fret;
double currentY = yPos + (fret * fretSpacing) - (fretSpacing / 2) - (fretMarkerSize / 2); //position marker centered between frets or behind nut
if (fret == 0)
{
g.FillEllipse(currentX, currentY, fretMarkerSize, fretMarkerSize, ColorPalette[ThemeColorPreset.MutedForeground], DrawingColor);
}
else
{
g.FillEllipse(currentX, currentY, fretMarkerSize, fretMarkerSize, DrawingColor, DrawingColor);
}
}
else
{
//string not played
g.DrawString(currentX, yPos - (fretSpacing / 2) - (fretMarkerSize / 2), "x", DrawingColor);
}
}
rowChordCount++; //move to next chord in list
}
}