/*****

  rmheader.c 

  This program takes as input a rff image file, removes
  the header, and writes to a file the image pixel values as
  bytes. 

  Usage:  rmheader <infile> <outfile>

  Log:
     Jan-24-91	mcdonald	created

  To compile:
	cc rmheader.c rff.o -o rmheader -lpixrect

*****/


#include <stdio.h>
#include <pixrect/pixrect_hs.h>


main(argc,argv)
int argc;
char **argv;
{

  struct pixrect *screen,*read_image();
  colormap_t colormap;
  long *image,*new_image;
  FILE *in=stdin,*out,*fopen();
  int x,y,new_y,dx,dy;

  if (argc<3) {
    fprintf(stderr,"usage: rmheader <infile> <outfile>\n");
    exit(1);
  }

  if ((in = fopen(argv[1],"r"))==NULL) {
    fprintf(stderr,"%s:  Unable to open %s as input file\n",argv[0],argv[1]);
    exit(1);
  }

  out = fopen(argv[2],"w");

  screen = read_image(in,&colormap);
  dx = screen -> pr_size.x;
  dy = screen -> pr_size.y;
  image = (long *)malloc(dx * dy * sizeof(long));
  load_rff_image(screen,image);
  pr_close(screen);

  for (y=0;y<dy;y++) {
    for (x=0;x<dx;x++) {
      putc((unsigned char)image[y*dx+x],out);
    }
  }


  free(image);
  fclose(out);
  fclose(in);
}