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