/* Draw the accidental symbols. If two symbols overlap (if they
* are less than 6 notes apart), we cannot draw the symbol directly
* above the previous one. Instead, we must shift it to the right.
* @param ytop The ylocation (in pixels) where the top of the staff starts.
* @return The x pixel width used by all the accidentals.
*/
public int DrawAccid(Graphics g, Pen pen, int ytop)
{
int xpos = 0;
AccidSymbol prev = null;
foreach (AccidSymbol symbol in accidsymbols)
{
if (prev != null && symbol.Note.Dist(prev.Note) < 6)
{
xpos += symbol.Width;
}
g.TranslateTransform(xpos, 0);
symbol.Draw(g, pen, ytop);
g.TranslateTransform(-xpos, 0);
prev = symbol;
}
if (prev != null)
{
xpos += prev.Width;
}
return(xpos);
}
/* Return the minimum width needed to display this chord.
*
* The accidental symbols can be drawn above one another as long
* as they don't overlap (they must be at least 6 notes apart).
* If two accidental symbols do overlap, the accidental symbol
* on top must be shifted to the right. So the width needed for
* accidental symbols depends on whether they overlap or not.
*
* If we are also displaying the letters, include extra width.
*/
int GetMinWidth()
{
/* The width needed for the note circles */
int result = 2 * SheetMusic.NoteHeight + SheetMusic.NoteHeight * 3 / 4;
if (accidsymbols.Length > 0)
{
result += accidsymbols[0].MinWidth;
for (int i = 1; i < accidsymbols.Length; i++)
{
AccidSymbol accid = accidsymbols[i];
AccidSymbol prev = accidsymbols[i - 1];
if (accid.Note.Dist(prev.Note) < 6)
{
result += accid.MinWidth;
}
}
}
if (sheetmusic != null && sheetmusic.ShowNoteLetters != MidiOptions.NoteNameNone)
{
result += 8;
}
return(result);
}
CreateAccidSymbols(NoteData[] notedata, Clef clef)
{
int count = 0;
foreach (NoteData n in notedata)
{
if (n.accid != Accid.None)
{
count++;
}
}
AccidSymbol[] symbols = new AccidSymbol[count];
int i = 0;
foreach (NoteData n in notedata)
{
if (n.accid != Accid.None)
{
symbols[i] = new AccidSymbol(n.accid, n.whitenote, clef);
i++;
}
}
return(symbols);
}
/** Create the Accidental symbols for this key, for
* the treble and bass clefs.
*/
private void CreateSymbols()
{
int count = Math.Max(num_sharps, num_flats);
treble = new AccidSymbol[count];
bass = new AccidSymbol[count];
if (count == 0)
{
return;
}
WhiteNote[] treblenotes = null;
WhiteNote[] bassnotes = null;
if (num_sharps > 0)
{
treblenotes = new WhiteNote[] {
new WhiteNote(WhiteNote.F, 5),
new WhiteNote(WhiteNote.C, 5),
new WhiteNote(WhiteNote.G, 5),
new WhiteNote(WhiteNote.D, 5),
new WhiteNote(WhiteNote.A, 6),
new WhiteNote(WhiteNote.E, 5)
};
bassnotes = new WhiteNote[] {
new WhiteNote(WhiteNote.F, 3),
new WhiteNote(WhiteNote.C, 3),
new WhiteNote(WhiteNote.G, 3),
new WhiteNote(WhiteNote.D, 3),
new WhiteNote(WhiteNote.A, 4),
new WhiteNote(WhiteNote.E, 3)
};
}
else if (num_flats > 0)
{
treblenotes = new WhiteNote[] {
new WhiteNote(WhiteNote.B, 5),
new WhiteNote(WhiteNote.E, 5),
new WhiteNote(WhiteNote.A, 5),
new WhiteNote(WhiteNote.D, 5),
new WhiteNote(WhiteNote.G, 4),
new WhiteNote(WhiteNote.C, 5)
};
bassnotes = new WhiteNote[] {
new WhiteNote(WhiteNote.B, 3),
new WhiteNote(WhiteNote.E, 3),
new WhiteNote(WhiteNote.A, 3),
new WhiteNote(WhiteNote.D, 3),
new WhiteNote(WhiteNote.G, 2),
new WhiteNote(WhiteNote.C, 3)
};
}
Accid a = Accid.None;
if (num_sharps > 0)
{
a = Accid.Sharp;
}
else
{
a = Accid.Flat;
}
for (int i = 0; i < count; i++)
{
treble[i] = new AccidSymbol(a, treblenotes[i], Clef.Treble);
bass[i] = new AccidSymbol(a, bassnotes[i], Clef.Bass);
}
}
