#include <gegl.h> 

gint

main (gint    argc,

      gchar **argv)

{

  GeglNode *graph, *sink;

  GeglBuffer *buffer = NULL;

  gegl_init (&argc, &argv);

  if (argc != 3)

    {

      g_print ("GEGL based image conversion tool\n");

      g_print ("Usage: %s <imageA> <imageB>\n", argv[0]);

      return 1;

    }

  graph = gegl_graph (sink=gegl_node ("gegl:buffer-sink", "buffer", &buffer, NULL,

                           gegl_node ("gegl:load", "path", argv[1], NULL)));

  gegl_node_process (sink);

  g_object_unref (graph);

  if (!buffer)

    {

      g_print ("Failed to open %s\n", argv[1]);

      return 1;

    }

  graph = gegl_graph (sink=gegl_node ("gegl:save",

                      "path", argv[2], NULL,

                      gegl_node ("gegl:buffer-source", "buffer", buffer, NULL)));

  gegl_node_process (sink);

  g_object_unref (buffer); 

  g_object_unref (buffer);  /* XXX: why is two unrefs needed here? */

  g_object_unref (graph);

  gegl_exit ();

  return 0;

}