Example #1
0
        /// <summary>
        /// stringIndex start from 1 and from down to up on guitar
        /// </summary>
        public string GetTuneAt(int stringIndex, int fretIndex)
        {
            if (stringIndex < 1 || stringIndex > STRING_LEN)
            {
                throw new ArgumentException("stringIndex. no string at specified index");
            }
            if (fretIndex < 0 || fretIndex >= FRET_LEN)
            {
                throw new ArgumentException("fretIndex. too small or too large");
            }

            return(MusicalAlphabet.At(
                       StringAt(stringIndex).BaseToneIndex,
                       fretIndex));
        }
Example #2
0
        public Tuning(IEnumerable <int> toneIndexSource, string name)
        {
            if (toneIndexSource == null)
            {
                throw new ArgumentNullException("toneIndexSource");
            }

            var toneIndex = this.toneIndex;

            using (var iterator = toneIndexSource.GetEnumerator())
            {
                for (int i = 0; i < Guitar.STRING_LEN; i++)
                {
                    if (!iterator.MoveNext())
                    {
                        throw new ArgumentException("toneIndexSource. Incompleted");
                    }
                    int index = iterator.Current;
                    if (index < 0 || index >= MusicalAlphabet.LEN)
                    {
                        throw new ArgumentException(
                                  string.Format("toneIndexSource. invalid tone index at {0}", i));
                    }
                    toneIndex[i] = index;
                }
                if (iterator.MoveNext())
                {
                    throw new ArgumentException("toneIndexSource. Too long");
                }
            }
            this.BaseToneIndexes = toneIndex;
            this.BaseTones       = toneIndex
                                   .Select(item => MusicalAlphabet.At(0, item))
                                   .ToArray();
            this.hashcode = checked (toneIndex
                                     .Select((_, i) => toneIndex.Take(i + 1).Sum() + i)
                                     .Sum());

            this.name = string.IsNullOrEmpty(name) ?
                        string.Join(null, this.BaseTones) :
                        name;
        }