private static SourceImage GetIntensityMap(SourceImage sourceImage, int workerMin, int range)
{
var newSourceImage = new SourceImage();
newSourceImage.Height = sourceImage.Height;
newSourceImage.Width = sourceImage.Width;
newSourceImage.Pixels = new Pixel[newSourceImage.Width * newSourceImage.Height];
for (int y = 0; y < sourceImage.Height; y++)
{
for (int x = 0; x < sourceImage.Width; x++)
{
Color c = sourceImage.GetPixel(x, y);
var intensity = (int)(c.GetBrightness() * 255);
if (intensity >= workerMin && intensity <= workerMin + range)
{
newSourceImage.SetPixel(x, y, c);
}
else
{
newSourceImage.SetPixel(x, y, Color.Black);
}
}
}
return(newSourceImage);
}
private bool DrawPixel(Point p, Color c, Graphics g, bool SaveToMap)
{
if (IsReady)
{
var b = new SolidBrush(c);
if (p.X >= 0 && p.Y >= 0 && p.X < SourceImage.Width && p.Y < SourceImage.Height)
{
if (SaveToMap)
{
SourceImage.SetPixel(p.X, p.Y, c);
}
BitmapGenerate.DrawPixel(SourceImage, g, p.X, p.Y, c);
return(true);
}
}
return(false);
}