public Bitmap MakeImage(List <double[]> data)
{
Console.Out.WriteLine("Generating image");
int height = data.Count;
int width = data[0].Length;
Console.Write("Image size: ");
Console.Write(width);
Console.Write(" x ");
Console.Write(height);
Console.Write("\n");
// using PixelFormat.Format24bppRgb makes setpixel horribly slow
//var @out = new Bitmap(width, height, PixelFormat.Format24bppRgb);
var @out = new Bitmap(width, height);
BrightCorrection correction = BrightCorrection.BRIGHT_NONE;
for (int y = 0; y < height; ++y)
{
Debug.Assert(data[y].Length == width);
for (int x = 0; x < width; ++x)
{
double intensity = SpectrogramUtils.CalcIntensity(data[y][x], intensity_axis);
intensity = SpectrogramUtils.BrightnessCorrection(intensity, correction);
@out.SetPixel(x, (int)(height - 1 - y), palette.GetColor(intensity));
}
}
//@out.SetText("Spectrogram", serialized()); // save parameters
return(@out);
}
public Bitmap make_image(List <double[]> data)
{
Console.Out.WriteLine("Generating image");
int height = data.Count;
int width = data[0].Length;
Console.Write("image size: ");
Console.Write(width);
Console.Write(" x ");
Console.Write(height);
Console.Write("\n");
Bitmap @out = new Bitmap(width, height);
BrightCorrection correction = BrightCorrection.BRIGHT_NONE;
for (int y = 0; y < height; ++y)
{
Debug.Assert(data[y].Length == width);
for (int x = 0; x < width; ++x)
{
double intensity = GlobalMembersSpectrogram.calc_intensity(data[y][x], intensity_axis);
intensity = GlobalMembersSpectrogram.brightness_correction(intensity, correction);
@out.SetPixel(x, (int)(height - 1 - y), palette.get_color(intensity));
}
}
//@out.SetText("Spectrogram", serialized()); // save parameters
return(@out);
}
public static double BrightnessCorrection(double intensity, BrightCorrection correction)
{
switch (correction)
{
case BrightCorrection.BRIGHT_NONE:
return(intensity);
case BrightCorrection.BRIGHT_SQRT:
return(Math.Sqrt(intensity));
}
Debug.Assert(false);
return(0.0);
}
public static double BrightnessCorrection(double intensity, BrightCorrection correction)
{
switch (correction) {
case BrightCorrection.BRIGHT_NONE:
return intensity;
case BrightCorrection.BRIGHT_SQRT:
return Math.Sqrt(intensity);
}
Debug.Assert(false);
return 0.0;
}
