/*          ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
            º                                                               º
            º                                                               º
	    º        tools.h = Header file for graphics tools library       º
            º                                                               º
            ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍͼ
*/


void cls(int color);
void display(unsigned long int address, int color_plane, unsigned char ch);
void drawLine(int x1, int y1, int x2, int y2, int color);
void fillOval(float x_cen, float y_cen, float radius, int color,
	float aspect);
void fillTriangle (int x1, int y1, int x2, int y2, int x3, int y3,
	int color);
void move_cursor(int type,int color,int min_col, int min_row);
void plot(int x, int y, int color);
float point(float x1, float y1, float x2, float y2);
int readPixel(int x, int y);
unsigned char read_screen(unsigned long int address, int color_plane);
int restore_screen(char file_name[]);
void save_screen(int x1, int y1, int x2, int y2, char file_name[]);
void setEGApalette(int palette, int color);
void setMode(int mode);
void step(void);
void turn(float angle);

union LIMIT
{
	float f;
	unsigned char c[4];
};