#include <libndls.h>
#include "functions.h"

typedef union {
  struct {
    char b;
    char g;
    char r;
    char grey;
  };
  int color;
} Color;

Color new_Color();
Color new_Color_RGB(char r, char g, char b);
Color new_Color_Gray(char g);
Color RGB2Color(char r, char g, char b);

typedef	struct {
		Color color;
		int k;
		double x;
		double y;
} MandelPoint;

MandelPoint new_MandelPoint(Color color, int k, double x, double y);

#define CURSOR_WIDTH 12
#define CURSOR_HEIGHT 12
static Color cr[CURSOR_HEIGHT][CURSOR_WIDTH];
static char cr_old[CURSOR_HEIGHT][CURSOR_WIDTH] = {
	{0,3,2,15,15,15,15,15,15,15,15,15},
	{0,12,14,3,2,3,15,15,15,15,15,15},
	{0,7,14,14,14,14,2,3,15,15,15,15},
	{15,0,12,14,14,14,14,14,2,2,3,15},
	{15,0,7,12,14,14,14,14,14,14,3,3},
	{15,0,8,12,12,14,14,3,3,2,15,15},
	{15,15,0,7,12,12,0,15,15,15,15,15},
	{15,15,0,7,7,0,15,15,15,15,15,15},
	{15,15,15,0,7,0,15,15,15,15,15,15},
	{15,15,15,0,8,0,15,15,15,15,15,15},
	{15,15,15,0,0,15,15,15,15,15,15,15},
	{15,15,15,15,0,15,15,15,15,15,15,15}
};
static Color **pointeur_tab;
static MandelPoint **screen_tab;

inline void setPixel(int x, int y, Color c);
inline Color getPixel(int x, int y);
void clrscr(void);
	
void line(int x1, int y1, int x2, int y2, Color color);

void malloc_screen_tab(void);
void free_screen_tab(void);
void fill_screen_tab(MandelPoint point);
void invalidate_screen_tab(void);
void copyto_screen_tab(unsigned x1, unsigned y1, unsigned x2, unsigned y2);
void apply_screen_tab(unsigned x, unsigned y, int origin, MandelPoint new_point); /* origin 0 = screen origin, origin 1 = screen_tab origin */

void init_pointeur(void);
void fill_pointer_tab(unsigned x, unsigned y);
void apply_pointer_tab(unsigned x, unsigned y);
void pointeur(int x, int y);

	
void mandel(double xmin, double xmax, double ymin, double ymax, int iter, double zx, double zy, int mode);