void PrzetwarzatorObrazow::CalcMoments8(PrzetwarzatorObrazow * source)
{
	BITMAPINFOHEADER header = source->getInfo()->bmiHeader;
	int width = header.biWidth;
	int height = header.biHeight;

	std::vector<CPoint> obj = source->selectedObject;

	// u00
	double u00 = obj.size();

	// u10 = /x
	double u10 = 0;
	for (int i = 0; i < obj.size(); i++)
		u10 += obj[i].x;
	u10 /= u00;

	// u01 = /y
	double u01 = 0;
	for (int i = 0; i < obj.size(); i++)
		u01 += (height - obj[i].y);
	u01 /= u00;

	// u20
	double u20 = 0;
	for (int i = 0; i < obj.size(); i++)
		u20 += pow(obj[i].x - u10, 2);
	u20 /= u00;

	// u02
	double u02 = 0;
	for (int i = 0; i < obj.size(); i++)
		u02 += pow((height - obj[i].y) - u01, 2);
	u02 /= u00;

	// u11
	double u11 = 0;
	for (int i = 0; i < obj.size(); i++)
		u11 += (obj[i].x - u10) * ((height - obj[i].y) - u01);
	u11 /= u00;

	// o z kreska w srodku
	double o = 0.5 * atan((2 * u11) / (u20 - u02));

	double pi = 3.14159265;
	double oDegree = o * 180 / pi;
	selectedMoments = CalcMomentsValues(u00, u10, u01, u20, u02, u11, oDegree);
}