Class with fstream (C++)

 #include <iostream>

#include <fstream>

using namespace std;

class change_TAB

{

private:

fstream fp1;

fstream fp2;

int **tab1;

int **tab2;

int width;

int height;

int ss;

char *f1,*f2;

public:

change_TAB(char* file_Start, char* file_End, int x, int y, int s)

{

int i;

width=x;

height=y;

ss=s;

f1=file_Start;

f2=file_End;

tab1=new int *[width];

tab2=new int *[width];

for(i=0;i<width;i++)

{

tab1[i]=new int[height];

tab2[i]=new int[height];

}

}

~change_TAB()

{

int i;

for(i=0;i<width;i++)

{

delete [] tab1[i];

delete [] tab2[i];

}

delete [] tab1;

delete [] tab2;

}

void Read()

{

int i,j;

fp1.open(f1,ios::in);

for(i=0;i<width;i++)

for(j=0;j<height;j++)

  fp1>>tab1[i][j];

fp1.close();

}

void Write()

{

int i,j;

for(i=0;i<width;i++)

for(j=0;j<height;j++)

  tab2[i][j]=tab1[i][j]*ss;

fp2.open(f2,ios::out);

for(i=0;i<width;i++)

{

for(j=0;j<height;j++)

{

fp2<<tab2[i][j]<<" ";

}

fp2<<'\n';

}

fp2.close();

}

};

int main()

{

change_TAB TABLES("old_Tab","new_Tab",100,200,5);

TABLES.Read();

TABLES.Write();

return 0;

}

YOU CAN PAY ME - https://paypal.me/LukaszW77?locale.x=pl_PL