/** PopulationContainer.h
 * J Scott Cameron
 *
 * Definition of a class that controls a GP Population 
 * for the Genetic Images program.
 */

#include "operators.h"
#include <windows.h>
#include <vector>

using namespace std;

class PopulationContainer {
public:
	
	PopulationContainer();
	
	/* updates all the bitmaps for the population */
	void UpdateMaps();

	/* returns a handle to a bitmap using the given node of
	 * the dimensions given.
	 * c_x, c_y are usually set to 0 (center of bitmap)
	 * scales are usually set to 1
	 */
	HBITMAP getBitmapFromNode(Node* node,int width, int height,
		double c_x, double c_y, double xscale, double yscale);

	
	/* Draws the bitmap to the given device context at point
	 * xStart, yStart */
	void DrawBitmap(HDC hdc, HBITMAP hBitmap, int xStart, int yStart);
	
	/* returns the node of the given index */
	Node* getNode(int);
	
	/* creates a new population by mutating the node with 
	 * given index */
	void mutatePop(int);

	/* resets the population with a new random population */
	void reset();

	/* initializes the population with randomly generated nodes*/
	void init();
	
	
	/* pointer to the Population class */	
	Population* P;

	/* a vector of all the bitmaps */
	vector<HBITMAP> bitmaps;
};