Method GetDistance

src/Color.cpp:69–76

Get the distance between 2 RGB pairs (alpha is ignored)

// Get the distance between 2 RGB pairs (alpha is ignored)
long Color::GetDistance(long R1, long G1, long B1, long R2, long G2, long B2)
{
	  long rmean = ( R1 + R2 ) / 2;
	  long r = R1 - R2;
	  long g = G1 - G2;
	  long b = B1 - B2;
	  return sqrt((((512+rmean)*r*r)>>8) + 4*g*g + (((767-rmean)*b*b)>>8));
}

// Generate JSON string of this object
std::string Color::Json() const {