mirror of
https://git.femboyfinancial.jp/james/lipsync.git
synced 2024-11-21 18:22:03 -08:00
237 lines
5.7 KiB
C#
237 lines
5.7 KiB
C#
/*
|
|
* VsqNote.cs
|
|
* Copyright (c) 2008-2009 kbinani
|
|
*
|
|
* This file is part of Boare.Lib.Vsq.
|
|
*
|
|
* Boare.Lib.Vsq is free software; you can redistribute it and/or
|
|
* modify it under the terms of the BSD License.
|
|
*
|
|
* Boare.Lib.Vsq is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
*/
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Text;
|
|
|
|
namespace Boare.Lib.Vsq {
|
|
|
|
/// <summary>
|
|
/// 音階を表現するためのクラス
|
|
/// </summary>
|
|
[Serializable]
|
|
public class VsqNote {
|
|
/// <summary>
|
|
/// このインスタンスが表す音階のノート値
|
|
/// </summary>
|
|
public int Value;
|
|
private static readonly bool[] _KEY_TYPE = new bool[128] {
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
true,
|
|
false,
|
|
true,
|
|
false,
|
|
true,
|
|
true,
|
|
false,
|
|
true,
|
|
};
|
|
|
|
/// <summary>
|
|
/// 音階のノート値からのコンストラクタ。
|
|
/// </summary>
|
|
/// <param name="note">この音階を初期化するためのノート値</param>
|
|
public VsqNote( int note ) {
|
|
Value = note;
|
|
}
|
|
|
|
/// <summary>
|
|
/// このインスタンスが表す音階が、ピアノの白鍵かどうかを返します
|
|
/// </summary>
|
|
public bool isWhiteKey() {
|
|
return isNoteWhiteKey( Value );
|
|
}
|
|
|
|
/// <summary>
|
|
/// 指定した音階が、ピアノの白鍵かどうかを返します
|
|
/// </summary>
|
|
/// <param name="note"></param>
|
|
/// <returns></returns>
|
|
public static bool isNoteWhiteKey( int note ) {
|
|
if ( 0 <= note && note <= 127 ) {
|
|
return _KEY_TYPE[note];
|
|
} else {
|
|
int odd = note % 12;
|
|
switch ( odd ) {
|
|
case 1:
|
|
case 3:
|
|
case 6:
|
|
case 8:
|
|
case 10:
|
|
return false;
|
|
default:
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
public static string getNoteString( int note ) {
|
|
int odd = note % 12;
|
|
int order = (note - odd) / 12 - 2;
|
|
switch ( odd ) {
|
|
case 0:
|
|
return "C" + order;
|
|
case 1:
|
|
return "C#" + order;
|
|
case 2:
|
|
return "D" + order;
|
|
case 3:
|
|
return "Eb" + order;
|
|
case 4:
|
|
return "E" + order;
|
|
case 5:
|
|
return "F" + order;
|
|
case 6:
|
|
return "F#" + order;
|
|
case 7:
|
|
return "G" + order;
|
|
case 8:
|
|
return "G#" + order;
|
|
case 9:
|
|
return "A" + order;
|
|
case 10:
|
|
return "Bb" + order;
|
|
case 11:
|
|
return "B" + order;
|
|
default:
|
|
return "";
|
|
}
|
|
}
|
|
|
|
override public string ToString() {
|
|
return getNoteString( Value );
|
|
}
|
|
}
|
|
|
|
}
|