C / C++ / MFC

<br />
#include <stdio.h>  /* header file  */<br />
#include <stdlib.h><br />
#include <math.h><br />
int main()<br />
{<br />
 struct Image{<br />
        int rows;<br />
        int column;<br />
        unsigned char *data;<br />
 } sImage;<br />
 FILE *fpr;   /* file pointer */<br />
 FILE *fpw;<br />
 int i,j;<br />
 char imagein[20];<br />
 char imageout[20];<br />
 //sImage originalImage;<br />
 unsigned char *ptrC;<br />
 unsigned char dummy;<br />
 long filesize;<br />
 int r, c;<br />
 dummy = '0';<br />
 ptrC = &dummy;<br />
 <br />
 printf("Enter input image : ");<br />
 gets(imagein);<br />
 printf("Enter output image : ");<br />
 gets(imageout);<br />
 <br />
 /* open file for output */<br />
 if ((fpr = fopen(imagein, "rb"))==NULL){<br />
  printf("Cannot open source file \n");<br />
  exit(1);<br />
 }<br />
 if ((fpw = fopen(imageout, "w"))== NULL){<br />
          printf("Cannot open target file.");<br />
          fclose(fpr);<br />
          exit(1);<br />
 }<br />
 <br />
 fseek(fpr, 0, SEEK_SET);<br />
 sImage.rows = getImageInfo(fpr, 22, 4);<br />
 printf("Number of rows : %d",&sImage.rows);<br />
 sImage.column = getImageInfo(fpr, 18, 4);<br />
 printf("Number of columns : %d",&sImage.column);<br />
 filesize = getImageinfo(fpr, 2, 4);<br />
 printf("Filesize : %ld",&filesize);<br />
 fseek(fpw, 0, SEEK_SET);<br />
 r = sImage.rows;<br />
 c = sImage.column;<br />
 for (i=0; i<r; i++){<br />
     for(j=0; j<c; j++){<br />
              fread (ptrC, sizeof(char), 1, fpr);<br />
              fwrite(ptrC, sizeof(char), 1, fpw);<br />
     }<br />
 }<br />
 fclose(fpr);<br />
 fclose(fpw);<br />
 getch();<br />
 return 0;<br />
}<br />
<br />
long getImageInfo(FILE* inputfile, long offset, int numberofchars)<br />
{<br />
  unsigned char	*ptrC;<br />
  long	value = 0L;<br />
  unsigned char	dummy;<br />
  int i;<br />
<br />
  dummy = '0';<br />
  ptrC = &dummy;<br />
<br />
  fseek(inputFile, offset, SEEK_SET);<br />
<br />
  for(i=1; i<=numberOfChars; i++)<br />
  {<br />
    fread(ptrC, sizeof(char), 1, inputFile);<br />
    /* calculate value based on adding bytes */<br />
    value = (long)(value + (*ptrC)*(pow(256, (i-1))));<br />
  }<br />
  return(value);<br />
}<br />
<br />