public MinMaxCacheFirstStage(int factor, int size)
{
Samples = new GenericRingBuffer <MinMax>(size)
{
FixedSize = true
};
_max = float.MinValue;
_min = float.MaxValue;
Factor = factor;
}
public MinMaxCache(int factor, int previousFactor, int size)
{
Samples = new GenericRingBuffer <MinMax>(size)
{
FixedSize = true
};
_max = float.MinValue;
_min = float.MaxValue;
Factor = factor;
Ratio = factor / previousFactor;
}
/// <summary>
/// Continuous-time stream of data
/// </summary>
/// <param name="size">number of samples the buffer can hold</param>
public DataLine1D(string name, int size, int samplerate)
{
_zoomLevels = new[] {
1 << 6,
1 << 7,
1 << 8,
1 << 9,
1 << 10,
1 << 11,
1 << 12,
1 << 13,
1 << 14,
1 << 15,
1 << 16
};
_ringBuffer = new VertexRingBuffer(size);
_ringBufferMax = new VertexRingBuffer(size);
_ringBufferMin = new VertexRingBuffer(size);
_floatTemp = new float[size];
_minMaxTemp = new MinMax[size];
Name = name;
SamplesPerSecond = samplerate;
_signalBuffer = new GenericRingBuffer <float>(size)
{
FixedSize = true
};
_minMax = MinMaxCache.CreateCascade(_zoomLevels, size);
_minMaxFst = (MinMaxCacheFirstStage)_minMax[0];
// init as -2 because -1 is for fully zoomed in and 0-.. is for other zoom levels.
// -2 so that in Render() a level change occurs
_level = -2;
}
