#include<graphics.h>
#include <stdlib.h>
#include<string.h>
#include <process.h>
#include <stdio.h>
#include <conio.h>
#include<dos.h>

#include<alloc.h>
#define C 10
#define F 2
#define T 15

FILE *f;

class Vwindow
{
void far *p;
int x;
int y;
int xf;
int yf;
public:
void LFree();
void init(int xx, int yy, int xxf, int yyf);
void capture();
void show();
void Imagen();
void Put_image();
};

void Vwindow::init(int xx, int yy, int xxf, int yyf)
{
x=xx;
y=yy;
yf=yyf;
xf=xxf;
}
void Vwindow::Imagen() {// function for my bmp image
int gd=DETECT,gm;
  int y=0,x=0;
  unsigned char bit1,bit2,bit;
  //initgraph(&gd,&gm,"C:\\tc\\bgi");

  f=fopen("pic.bmp","r");
  fseek(f,0x76,0);
  while(!feof(f))
  {
    bit=fgetc(f);
    bit1=bit>>4;
    bit2=(bit<<4)>>4;
    putpixel(x++,y,bit1);
    putpixel(x++,y,bit2);
    if (x>=xf)
    {
      x=0;y++;
    }

    }
    }

void Vwindow::capture()
{
  unsigned tsize;
  tsize=imagesize(x-3,y-3,xf+3,yf+3);
  if ((p = farmalloc(tsize)) == NULL)
    {
      outtextxy(10,10,"No memory..!");
    }
    else
        {
        getimage(x,y,xf,yf,p);
        }
}
void Vwindow::Put_image()
{
putimage(x,y,p,1);
}
void Vwindow::LFree()//free
{
farfree(p);
}

void Start_GMode();//START GRAPHIC MODE
void main()
{

int x=1;
int y=1;
int xf=42;
int yf=73;
Vwindow vn;
Start_GMode();
vn.init(x,y,xf,yf);
vn.Imagen();
vn.capture();
cleardevice();
outtextxy(10,1,"Hello World");
outtextxy(10,60,"Hello world");
outtextxy(10,110,"Hello World");
while(x<=251)
{
vn.init(x,y,xf,yf);
vn.Put_image();
delay(100);
vn.Put_image();
    if(x==251)
      {
          if(y<=101)
        {
       x=1;
    y+=50;
        }
      }
x+=10;

}

getch();
vn.LFree();
closegraph();

}


void Start_GMode()

{
/* request auto detection */
   int gdriver = DETECT, gmode, errorcode;

   /* initialize graphics mode */
   initgraph(&gdriver, &gmode, "t:\\tc\\bgi");

   /* read result of initialization */
   errorcode = graphresult();

   if (errorcode != grOk)  /* an error occurred */
   {
      printf("Graphics error: %s\n", grapherrormsg(errorcode));
      printf("Press any key to halt:");
      getch();
      exit(1);             /* return with error code */

   }
}