#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>

#define ABS(x) (x < 0 ? -(x) : (x))
#define MIN(x,y) (x < y ? x : y)
#define MAX(x,y) (x > y ? x : y)
#define TRUE  1
#define FALSE 0

typedef struct {
   unsigned char r,g,b,a;
} BITMAP4;

typedef struct {
   double r,g,b;
} COLOUR;

BITMAP4 *Create_Bitmap(int,int);
void Erase_Bitmap(BITMAP4 *,int,int,BITMAP4);
int Draw_Pixel(BITMAP4 *,int,int,int,int,BITMAP4);
void Draw_Line(BITMAP4 *,int,int,int,int,int,int,BITMAP4);
void Write_Bitmap(FILE *,BITMAP4 *,int,int,int);
void BM_WriteLongInt(FILE *,char *,long);
void BM_WriteHexString(FILE *,char *);
void WriteTGACompressedRow(FILE *,BITMAP4 *,int,int);
int Same_BitmapPixel(BITMAP4,BITMAP4);
COLOUR GetColour(double,double,double);

void CONREC(double **,int,int,int,int,double *,double *,int,double *,
       void (*drawline)(double,double,double,double,double));
void drawline(double,double,double,double,double);