#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <GL/glut.h>
#include <sys/resource.h>
#include <sys/time.h>
#include <unistd.h>
#include "forms.h"

#define TRUE   1
#define FALSE  0

#define PPM 0
#define RAW 1
#define TGA 2
#define RLE 3
#define TIF 4

#define ABS(x) (x < 0 ? -(x) : (x))
#define MIN(x,y) (x < y ? x : y)
#define MAX(x,y) (x > y ? x : y)

typedef struct {
   double r,g,b;
} COLOUR;
typedef struct {
   char left[64];
   char right[64];
	int delay;
	int flip;
} IMAGELIST;
typedef struct {
	unsigned char r,g,b;
} PIXEL;

void HandleDisplay(void);
double GetRunTime(void);
void CreateMenus(void);
void CreateEnvironment(void);
void HandleReshape(int,int);
void HandleKeyboard(unsigned char,int, int);
void HandleSpecialKeyboard(int,int,int);
void HandleMouse(int,int,int,int);
void HandleMainMenu(int);
void HandleVisibility(int);
void HandleTimer(int);
void UpdateCurrent(int);
void GiveUsage(char *);
int  ReadImage(char *,int);
void DrawScreenInfo(void);
void DrawGLText(int,int,char *,COLOUR);
void HandleMemory(int,int,int);
void CreateDummy(int);