/// <summary>
/// sets graph data
/// </summary>
public void SetAudioData(float[] audioData)
{
this.audioData = audioData;
float[] spectrumData = AudioAnalyzer.CreateSpectrumAnalysisLomont(audioData, fftWindowsSize);
float[] m_mag;
float[] m_freq;
AudioAnalyzer.PrepareSpectrumAnalysis(spectrumData, sampleRate, fftWindowsSize,
out m_mag, out m_freq, out foundMaxFrequency, out foundMaxDecibel);
bmp = AudioAnalyzer.GetSpectrumImage(ref m_mag, ref m_freq, new Size(this.Width, this.Height),
showMinFrequency, showMaxFrequency, foundMaxDecibel, foundMaxFrequency);
// force redraw
this.Invalidate();
}
