private void Init(int slidingWindowSize, int outputImagePixelHeight, int outputImagePixelWidth)
{
_slidingWindowSize = slidingWindowSize;
_width = outputImagePixelWidth;
_height = outputImagePixelHeight;
WhitePixels = new Pixel[_slidingWindowSize * _slidingWindowSize];
Array.Fill(WhitePixels, White);
Pixel[] pixels = new Pixel[_slidingWindowSize * _slidingWindowSize];
WhitePixels.CopyTo(pixels, 0);
for (int i = 1; i <= _slidingWindowSize; i++)
{
pixels[i * _slidingWindowSize - i] = Black;
}
ReverseDiagonalLine = pixels;
pixels = new Pixel[_slidingWindowSize * _slidingWindowSize];
WhitePixels.CopyTo(pixels, 0);
for (int i = 0; i < _slidingWindowSize; i++)
{
pixels[i * _slidingWindowSize + i] = Black;
}
DiagonalLine = pixels;
pixels = new Pixel[_slidingWindowSize * _slidingWindowSize];
int minIdx = (_slidingWindowSize / 2 - (_slidingWindowSize % 2 == 0 ? 1 : 0)) * _slidingWindowSize - 1,
maxIdx = ((_slidingWindowSize / 2) + 1) * _slidingWindowSize;
for (int i = 0; i < pixels.Length; i++)
{
if (!(i > minIdx && i < maxIdx))
{
pixels[i] = White;
}
}
HorizontalLine = pixels;
pixels = new Pixel[_slidingWindowSize * _slidingWindowSize];
HorizontalLine.CopyTo(pixels, 0);
VerticalLine = Transpone(pixels);
}