public void Update(OpenGL gl, Complex[] result)
{
//Destroy Old Bitmap
audioBitmap.Dispose();
audioBitmap = new Bitmap(512, 2);
//Create Bitmap
for (int i = 0; i < 512; i++)
{
Complex c = result[i];
double intensityDB = 10 * Math.Log10(c.X * c.X + c.Y * c.Y);
double minDB = -90;
if (intensityDB < minDB)
{
intensityDB = minDB;
}
double percent = intensityDB / minDB;
//Console.WriteLine("% : " + percent);
if (percent < 0)
{
percent = 0;
}
if (percent > 1)
{
percent = 1;
}
int val = Convert.ToInt16(percent * 255);
//audioBitmap.SetPixel(i, 0, Color.FromArgb(sval, sval, sval));
audioBitmap.SetPixel(i, 1, Color.FromArgb(255 - val, 255 - val, 255 - val));
audioBitmap.SetPixel(i, 0, Color.FromArgb(255 - val, 255 - val, 255 - val));
}
OnBitmapUpdated.Invoke(this, new BitmapUpdateEventArgs(audioBitmap));
//Console.WriteLine("BMP UPDT");
}
private void ClockTimer_Tick(object sender, EventArgs e)
{
// running clock
currentTimeClock.Content = DateTime.Now.ToString("hh:mm:ss");
// get free space
ShowDiskFreeSpace(tbSaveImgLocation.Text);
// when camera started streaming video
fpsLbl.Content = "-";
if (videoSource != null && videoSource.IsRunning)
{
if (playOnce)
{
playOnce = false;
}
if (captureImageOnce)
{
captureImageOnce = false;
}
// get number of frames for the last second
statCount[statIndex] = videoSource.FramesReceived;
// increment indexes
if (++statIndex >= statLength)
{
statIndex = 0;
}
if (statReady < statLength)
{
statReady++;
}
float fps = 0;
// calculate average value
for (int i = 0; i < statReady; i++)
{
fps += statCount[i];
}
fps /= statReady;
statCount[statIndex] = 0;
fpsLbl.Content = fps.ToString("F2") + " fps";
// update histograms
OnBitmapUpdated?.Invoke(this, bitmapImageCopy);
}
}