public void MakeHistogramData()
{
Bitmap bmp = new Bitmap(image);
BitmapData bmData = bmp.LockBits(new Rectangle(0, 0, image.Width, image.Height), ImageLockMode.ReadOnly, image.PixelFormat);
for (int i = 0; i < image.Width; i++)
{
for (int j = 0; j < image.Height; j++)
{
int value;
if (settings.discretizeMethod == DiscretizeMethod.DiscretizeForeground)
{
value = discretize.DiscretizeValueForeground(i, j, bmData);
}
else
{
value = discretize.DiscretizeValue(i, j, bmData);
}
histogramData[value]++;
}
progressUpdated((double)i / ((double)image.Width - 1));
}
bmp.UnlockBits(bmData);
//Now scale the data logarithmically
int pixels = image.Width * image.Height;
for (int i = 0; i < histogramData.Length; i++)
{
int point = (int)((innerPanel.Height) * (1.0 - Math.Log(histogramData[i]) / Math.Log(pixels)) + 0.5);
if (point < 0)
{
point = 0;
}
else if (point > innerPanel.Height)
{
point = innerPanel.Height;
}
displayData[i] = point;
}
}
