void InitializePainer(WaveformPainter waveformPainter, float[] samples)
{
waveformPainter.ClearSamples();
int step = samples.Length / waveformPainter.MaxSamples;
int cnt = 0;
for (var i = 0; i < waveformPainter.MaxSamples; i++)
{
var avgs = new List <float>();
var avgNeg = new List <float>();
var avgPos = new List <float>();
for (var j = 0; j < step; j++, cnt++)
{
if (cnt >= samples.Length)
{
break;
}
if (samples[cnt] > 0)
{
avgPos.Add(samples[cnt]);
avgNeg.Add(0);
}
if (samples[cnt] <= 0)
{
avgNeg.Add(samples[cnt]);
avgPos.Add(0);
}
avgs.Add(samples[cnt]);
}
if (avgPos.Count > 0)
{
waveformPainter.PositiveSamples[i] = (avgPos.Max());
}
if (avgNeg.Count > 0)
{
waveformPainter.NegativeSamples[i] = (avgNeg.Min());
}
if (avgs.Count > 0)
{
waveformPainter.AverageSamples.Add(avgs.Average());
}
}
waveformPainter.Invalidate();
}
