#include <gegl.h>

/* Example file illustrating the syntactic sugar for graph

 * construction in C

 */

gint

main (gint argc,

      gchar **argv)

{

  GeglNode *gegl, *sink;

  if (argc != 4)

    {

      g_print ("Usage: %s <input image> \"string\" <output image>\n\n", argv[0]);

      return -1;

    }

  g_thread_init (NULL);

  gegl_init (&argc, &argv);

  gegl =

    gegl_graph (

    sink = gegl_node ("gegl:png-save", "path", argv[3], NULL,

    gegl_node   ("gegl:over", NULL,

      gegl_node ("gegl:scale",

                 "x", 0.4,

                 "y", 0.4,

                 NULL,

      gegl_node ("gegl:invert",

                 NULL,

      gegl_node ("gegl:load",

                 "path", argv[1],

                 NULL

    ))),

      gegl_node ("gegl:translate",

                 "x", 50.0,

                 "y", 50.0,

                 NULL,

      gegl_node ("gegl:dropshadow",

                 "opacity", 1.0,

                 "radius", 3.0,

                 "x", 3.0,

                 "y", 3.0,

                 NULL,

      gegl_node ("gegl:text",

                 "size", 40.0,

                 "font", "sans bold",

                 "string", argv[2],

                 "color", gegl_color_new("green"),

                 NULL

    ))))));

  gegl_node_process (sink);

  g_object_unref (gegl);

  gegl_exit ();

  return 0;

}