public Bitmap Process(Bitmap source)
{
Bitmap result = new Bitmap(source);
int height = source.Height;
int width = source.Width;
if (windowSize % 2 == 0)
{
windowSize++;
}
int[,] sourceBitsRedValues = new int[width, height];
int[,] sourceBitsGreenValues = new int[width, height];
int[,] sourceBitsBlueValues = new int[width, height];
BitmapHelperUtil.FillRGBValues(source, sourceBitsRedValues, sourceBitsGreenValues, sourceBitsBlueValues);
int halfOfWindow = (windowSize - 1) / 2;
for (int i = halfOfWindow; i < source.Width - (halfOfWindow + 1); i++)
{
for (int j = halfOfWindow; j < source.Height - (halfOfWindow + 1); j++)
{
int newR = 0;
int newG = 0;
int newB = 0;
int K = 0;
for (int wi = -halfOfWindow; wi <= halfOfWindow; wi++)
{
for (int hw = -halfOfWindow; hw <= halfOfWindow; hw++)
{
K++;
if (hw == 0 && wi == 0)
{
continue;
}
newR += sourceBitsRedValues[i + hw, j + wi];
newG += sourceBitsGreenValues[i + hw, j + wi];
newB += sourceBitsBlueValues[i + hw, j + wi];
}
}
result.SetPixel(i, j, Color.FromArgb(newR / K, newG / K, newB / K));
}
}
return(result);
}
public Bitmap Process(Bitmap source)
{
Bitmap result = new Bitmap(source);
int height = source.Height;
int width = source.Width;
int[,] sourceBitsRedValues = new int[width, height];
int[,] sourceBitsGreenValues = new int[width, height];
int[,] sourceBitsBlueValues = new int[width, height];
BitmapHelperUtil.FillRGBValues(source, sourceBitsRedValues, sourceBitsGreenValues, sourceBitsBlueValues);
for (int i = 1; i < source.Width - 1; i++)
{
for (int j = 1; j < source.Height - 1; j++)
{
int newXR = 0, newYR = 0;
int newXG = 0, newYG = 0;
int newXB = 0, newYB = 0;
for (int wi = -1; wi < 2; wi++)
{
for (int hw = -1; hw < 2; hw++)
{
newXR += _gx[wi + 1, hw + 1] * sourceBitsRedValues[i + hw, j + wi];
newYR += _gy[wi + 1, hw + 1] * sourceBitsRedValues[i + hw, j + wi];
newXG += _gx[wi + 1, hw + 1] * sourceBitsGreenValues[i + hw, j + wi];
newYG += _gy[wi + 1, hw + 1] * sourceBitsGreenValues[i + hw, j + wi];
newXB += _gx[wi + 1, hw + 1] * sourceBitsBlueValues[i + hw, j + wi];
newYB += _gy[wi + 1, hw + 1] * sourceBitsBlueValues[i + hw, j + wi];
}
}
if (newXR * newXR + newYR * newYR > Limit ||
newXG * newXG + newYG * newYG > Limit ||
newXB * newXB + newYB * newYB > Limit)
{
result.SetPixel(i, j, Color.Black);
}
else
{
result.SetPixel(i, j, Color.White);
}
}
}
return(result);
}
