#ifndef RTS_VOLUME_H
#define RTS_VOLUME_H

#include <time.h>
#include <iostream>
#include <fstream>

using namespace std;

class rtsVolume
{

private:
	unsigned char* m_data;			//pointer to the volume data
	unsigned int m_size_x;			//variables specifying the size of the volume
	unsigned int m_size_y;
	unsigned int m_size_z;

	//static function for copying 3D data from one pointer to another
	//this function does not test boundaries so can quite easily crash
	void blit3D(const unsigned char* source,
				   unsigned int s_sx, unsigned int s_sy, unsigned int s_sz,
				   unsigned char* dest,
				   unsigned int d_px, unsigned int d_py, unsigned int d_pz,
				   unsigned int d_sx, unsigned int d_sy, unsigned int d_sz);

public:
	rtsVolume();
	//construct a blank volume of a given size
	rtsVolume(unsigned int size_x, unsigned int size_y, unsigned int size_z);
	//construct a volume from specified data
	rtsVolume(const unsigned char* data, unsigned int size_x, unsigned int size_y, unsigned int size_z);
	rtsVolume(const rtsVolume &original);	//copy constructor
	~rtsVolume();

	//overloaded operators
	rtsVolume& operator=(const rtsVolume& original);
	inline unsigned char operator()(unsigned int x, unsigned int y, unsigned int z);

	//load and save methods
	void open(const char* filename);
	void save(const char* filename);
	/*Allow resizing of the canvas.  This resizes the volume without
	resizing the existing data within the volume*/
	void resize_canvas(unsigned int size_x, unsigned int size_y, unsigned int size_z);
	void insert(const rtsVolume source, unsigned int pos_x, unsigned int pos_y, unsigned int pos_z);
	void blacken_border();
	void invert();
	void blacken(unsigned char threshold);
	void whiten(unsigned char threshold);

	//get functions
	unsigned char* get_bits();
	unsigned int get_dimx() {return m_size_x;}
	unsigned int get_dimy() {return m_size_y;}
	unsigned int get_dimz() {return m_size_z;}
		

	
};



#endif