public static Bitmap Generate(int Width, int Height, int NumberOfPoints, int Seed)
{
float[,] DistanceBuffer = new float[Width, Height];
float MinimumDistance = float.MaxValue;
float MaxDistance = float.MinValue;
CellularMap Map = new CellularMap(Seed, Width, Height, NumberOfPoints);
MaxDistance = Map.MaxDistance;
MinimumDistance = Map.MinDistance;
DistanceBuffer = Map.Distances;
Bitmap ReturnValue = new Bitmap(Width, Height);
BitmapData ImageData = ReturnValue.LockImage();
int ImagePixelSize = ImageData.GetPixelSize();
for (int x = 0; x < Width; ++x)
{
for (int y = 0; y < Height; ++y)
{
float Value = GetHeight(x, y, DistanceBuffer, MinimumDistance, MaxDistance);
Value *= 255;
int RGBValue = ((int)Value).Clamp(255, 0);
ImageData.SetPixel(x, y, Color.FromArgb(RGBValue, RGBValue, RGBValue), ImagePixelSize);
}
}
ReturnValue.UnlockImage(ImageData);
return ReturnValue;
}
public static Bitmap OilPainting(this Bitmap Image, int Seed, int NumberOfPoints=100)
{
Image.ThrowIfNull("Image");
Bitmap _Image = new Bitmap(Image);
CellularMap Map = new CellularMap(Seed, Image.Width, Image.Height, NumberOfPoints);
BitmapData ImageData = _Image.LockImage();
int ImagePixelSize = ImageData.GetPixelSize();
int Width = _Image.Width;
int Height = _Image.Height;
Parallel.For(0, NumberOfPoints, i =>
{
int Red = 0;
int Green = 0;
int Blue = 0;
int Counter = 0;
for (int x = 0; x < Width; ++x)
{
for (int y = 0; y < Height; ++y)
{
if (Map.ClosestPoint[x,y] == i)
{
Color Pixel = ImageData.GetPixel(x, y, ImagePixelSize);
Red += Pixel.R;
Green += Pixel.G;
Blue += Pixel.B;
++Counter;
}
}
}
int Counter2 = 0;
for (int x = 0; x < Width; ++x)
{
for (int y = 0; y < Height; ++y)
{
if (Map.ClosestPoint[x,y] == i)
{
ImageData.SetPixel(x, y, Color.FromArgb(Red / Counter, Green / Counter, Blue / Counter), ImagePixelSize);
++Counter2;
if (Counter2 == Counter)
break;
}
}
if (Counter2 == Counter)
break;
}
});
_Image.UnlockImage(ImageData);
return _Image;
}
