/* compile with:
 *      g++ -g -Wall example.cc `pkg-config vips-cpp --cflags --libs`
 */

#include <vips/vips8>

using namespace vips;

int
main (int argc, char **argv)
{
  if (VIPS_INIT (argv[0]))
    vips_error_exit (NULL);

  if (argc != 3)
    vips_error_exit ("usage: %s input-file output-file", argv[0]);

  VImage in = VImage::new_from_file (argv[1],
    VImage::option ()->set ("access", VIPS_ACCESS_SEQUENTIAL));

  double avg = in.avg ();

  printf ("avg = %g\n", avg);
  printf ("width = %d\n", in.width ());

  in = VImage::new_from_file (argv[1],
    VImage::option ()->set ("access", VIPS_ACCESS_SEQUENTIAL));

  VImage out = in.embed (10, 10, 1000, 1000,
    VImage::option ()->
      set ("extend", "background")->
      set ("background", 128));

  out.write_to_file (argv[2]);

  vips_shutdown ();

  return (0);
}