#ifndef PICTUREH
#define PICTUREH
#include <iostream>	//for ostream
#include <cstddef>	//for size_t
#include "pixel.h"
using namespace std;

enum color {
	color_red,
	color_green,
	color_blue
};

class picture {
public:
	static const size_t ncols = 300;
	static const size_t nrows = 200;
private:
	pixel a[nrows][ncols];
public:
	picture(int gray);
	picture(int red, int green, int blue);
	picture(pixel p);
	picture(pixel p[nrows][ncols]);
	picture(const char *filename);

	picture& operator+=(const picture& another);
	picture& operator-=(const picture& another);
	picture& operator*=(int factor);
	picture& operator/=(int divisor);
	picture& operator&=(color c);

	friend ostream& operator<<(ostream& ost, const picture& p);
};

inline const picture operator+(picture p, const picture& q) {return p += q;}
inline const picture operator-(picture p, const picture& q) {return p -= q;}
inline const picture operator/(picture p, int divisor) {return p /= divisor;}

inline const picture operator*(picture p, int factor) {return p *= factor;}
inline const picture operator*(int factor, picture p) {return p *= factor;}

inline const picture operator&(picture p, color c) {return p &= c;}
inline const picture operator&(color c, picture p) {return p &= c;}
#endif