public ComposedMask(ImageMask a, ImageMask b, ImageMask c, ImageMask d)
{
A = a;
B = b;
C = c;
D = d;
}
private Pixel ApplyFilterToPixel(int i, int j, ImageMatrix p, ImageMask mask)
{
var indent = mask.Length / 2;
// for even dimension mask rightIndent should be smaller by 1
var rightIndent = mask.Length % 2 == 0 ? indent - 1 : indent;
double r = 0, g = 0, b = 0;
for (int ii = i - indent; ii <= i + rightIndent; ii++)
{
for (int jj = j - indent; jj <= j + rightIndent; jj++)
{
// to remove black borders
var iInd = ii <0 ? 0 : ii> p.Width - 1 ? p.Width - 1 : ii;
var jInd = jj <0 ? 0 : jj> p.Height - 1 ? p.Height - 1 : jj;
//r += Convert.ToInt16((mask[ii - i + indent, jj - j + indent] * P[ii, jj].R) / mask.Denominator);
//g += Convert.ToInt16((mask[ii - i + indent, jj - j + indent] * P[ii, jj].G) / mask.Denominator);
//b += Convert.ToInt16((mask[ii - i + indent, jj - j + indent] * P[ii, jj].B) / mask.Denominator);
r += mask[ii - i + indent, jj - j + indent] * p[iInd, jInd].R;
g += mask[ii - i + indent, jj - j + indent] * p[iInd, jInd].G;
b += mask[ii - i + indent, jj - j + indent] * p[iInd, jInd].B;
//r += ((mask[ii - i + indent, jj - j + indent] * P[ii, jj].R) / mask.Denominator);
//g += ((mask[ii - i + indent, jj - j + indent] * P[ii, jj].G) / mask.Denominator);
//b += ((mask[ii - i + indent, jj - j + indent] * P[ii, jj].B) / mask.Denominator);
}
}
//if (r > 1 || g > 1 || b > 1)
//{
// return new Pixel(255, 255, 255);
//}
//else
{
// return new Pixel(0, 0, 0);
return(new Pixel(Convert.ToInt16(r), Convert.ToInt16(g), Convert.ToInt16(b)));
}
//return new Pixel(_getByteInCorrectBorders((int)r), _getByteInCorrectBorders((int)g), _getByteInCorrectBorders((int)b));
//return new Pixel(Convert.ToByte((int)r), Convert.ToByte((int)g), Convert.ToByte((int)b));
}
private ImageMatrix MultiplyImageToMask(ImageMatrix p, ImageMask mask)
{
//var indent = mask.Length / 2;
var res = new ImageMatrix(p.Width, p.Height);
try
{
for (int i = 0 /*indent*/; i < p.Width /*- indent*/; i++)
{
for (int j = 0 /*indent*/; j < p.Height /*- indent*/; j++)
{
res[i, j] = ApplyFilterToPixel(i, j, p, mask);
}
}
}
catch (Exception ex)
{
throw new Exception("Помилка при проведенні згортки:\n\n" + ex.Message);
}
return(res);
}
public ImageMatrix Visit(ImageMask mask)
{
return(MultiplyImageToMask(_image, mask));
}