public void TestSonogramHitsOverlay()
{
int width = 100;
int height = 256;
// make a substitute sonogram image
var pretendSonogram = new Image <Rgb24>(width, height);
// make a hits matrix with crossed diagonals
var hitsMatrix = new int[height, width];
for (int i = 0; i < height; i++)
{
int col = (int)Math.Floor(width * i / (double)height);
int intensity = col;
hitsMatrix[i, col] = i;
hitsMatrix[i, width - col - 1] = i;
}
// now add in hits to the spectrogram image.
if (hitsMatrix != null)
{
pretendSonogram = Image_MultiTrack.OverlayScoresAsRedTransparency(pretendSonogram, hitsMatrix);
}
//pretendSonogram.Save("C:\\temp\\image.png");
var pixel = new Argb32(255, 0, 0);
var expectedColor = new Color(pixel);
var actualColor = pretendSonogram[0, height - 1];
Assert.AreEqual <Color>(expectedColor, actualColor);
pixel = new Argb32(128, 0, 0);
expectedColor = new Color(pixel);
actualColor = pretendSonogram[width / 2, height / 2];
Assert.AreEqual <Color>(expectedColor, actualColor);
pixel = new Argb32(0, 0, 0);
expectedColor = new Color(pixel);
actualColor = pretendSonogram[0, 0];
Assert.AreEqual <Color>(expectedColor, actualColor);
}