#ifndef _COLOUR
#include "colour.h"
#endif

Colour::Colour(float red, float green, float blue)
{
	Red = red;
	Green = green;
	Blue = blue;
}

Colour::Colour(const Colour& colour)
{
	Red = colour.Red;
	Green = colour.Green;
	Blue = colour.Blue;
}

Colour& Colour::operator=(const Colour& colour)
{
	Red = colour.Red;
	Green = colour.Green;
	Blue = colour.Blue;
	
	return *this;
}

void Colour::reset(float red, float green, float blue)
{
	Red = red;
	Green = green;
	Blue = blue;
}
 
 
Colour operator*(Colour& a,Colour& b)
{
	return Colour(a.Red*b.Red,a.Green*b.Green,a.Blue*b.Blue);
}

Colour operator*(Colour& a, float x)
{
	return Colour(a.Red*x,a.Green*x,a.Blue*x);
}

inline void setinterval(float& f)
{
	if(f < 0.0) f = 0.0;
	else
	if(f > 1.0) f = 1.0;
}

void Colour::check()
//checks if colour in range 0 to 1 and changes if not
{
	setinterval(Red);
	setinterval(Green);
	setinterval(Blue);
}

Colour operator+(Colour& a,Colour& b)
{
	return Colour(a.Red+b.Red,a.Green+b.Green,a.Blue+b.Blue);
}


ostream& operator<<(ostream& s,Colour colour)
//writing
{
	s << "(" << colour.Red << "R"    	
	  << "," << colour.Green << "G"		
	  << "," << colour.Blue << "B"		
	  << ")";
	
	return s;
}

istream& operator>>(istream& s,Colour& colour)
//reading
{
	s >> colour.Red >> colour.Green >> colour.Blue;
	
	return s;
}