private static Bitmap GetBitmapFromBlob(Bitmap source, Blob blob)
{
int rX = blob.Rectangle.Width / 2;
int rY = blob.Rectangle.Height / 2;
Bitmap result = new Bitmap(blob.Rectangle.Width, blob.Rectangle.Height);
IColorQuantizer quantizer = new MedianCutQuantizer();
for (int x = 0; x < blob.Rectangle.Width - 1; x++)
{
for (int y = 0; y < blob.Rectangle.Height - 1; y++)
{
Color color = source.GetPixel(blob.Rectangle.Location.X + x, blob.Rectangle.Location.Y + y);
if (x > (rX / 2) && x < blob.Rectangle.Width - (rX / 2) && y > (rY / 2) && y < blob.Rectangle.Height - (rY / 2))
{
quantizer.AddColor(color);
}
result.SetPixel(x, y, color);
}
}
Color[] palette = quantizer.GetPalette(1);
return(result);
}
public static Bitmap MedianCut(Bitmap bmp, int intensity)
{
ColorImageQuantizer ciq = new ColorImageQuantizer(new MedianCutQuantizer());
IColorQuantizer quantizer = new MedianCutQuantizer();
Bitmap newImage = ciq.ReduceColors(bmp, intensity);
return(newImage);
}
private static ObjectStruct GetDominantColorFromBlob(Bitmap source, Blob blob)
{
int rX = blob.Rectangle.Width / 2;
int rY = blob.Rectangle.Height / 2;
// int r = blob.Rectangle.Width > 200 ? 40 : 2;
int r = blob.Rectangle.Width / 4;
IColorQuantizer quantizer = new MedianCutQuantizer();
for (int x = 0; x < blob.Rectangle.Width - 1; x++)
{
for (int y = 0; y < blob.Rectangle.Height - 1; y++)
{
Color color = source.GetPixel(blob.Rectangle.Location.X + x, blob.Rectangle.Location.Y + y);
if (x > rX - r && x < rX + r && y > rY - r && y < rY + r)
{
double hue;
double saturation;
double value;
ColorToHSV(color, out hue, out saturation, out value);
Color alignedСolor = ColorFromHSV(hue, saturation, value);
quantizer.AddColor(alignedСolor);
}
}
}
// int paletteLenght = blob.Rectangle.Width > 200 ? 24 : 24; 36 64
int paletteLenght = 256;
Color[] color1 = quantizer.GetPalette(paletteLenght);
ObjectStruct obj = new ObjectStruct();
int lenght = paletteLenght;
obj.Tone = new HSVColor[lenght];
int index = 0;
foreach (Color color in color1)
{
double hue;
double saturation;
double value;
ColorToHSV(color, out hue, out saturation, out value);
obj.Tone[index] = new HSVColor(hue, saturation, value);
index++;
}
obj.Radius = rX;
return(obj);
}
