/* Build with :
  gcc $(pkg-config --cflags --libs clutter-1.0)  cogl_test_atlas_max_texture.c -o cogl3
*/
#include <glib.h>
#include <gmodule.h>
#include <stdlib.h>
#include <clutter/clutter.h>
#include <cogl/cogl.h>

/* Coglbox declaration
 *--------------------------------------------------*/

G_BEGIN_DECLS
  
#define TEST_TYPE_COGLBOX test_coglbox_get_type()

#define TEST_COGLBOX(obj) \
  (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
  TEST_TYPE_COGLBOX, TestCoglboxClass))

#define TEST_COGLBOX_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_CAST ((klass), \
  TEST_TYPE_COGLBOX, TestCoglboxClass))

#define TEST_IS_COGLBOX(obj) \
  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
  TEST_TYPE_COGLBOX))

#define TEST_IS_COGLBOX_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_TYPE ((klass), \
  TEST_TYPE_COGLBOX))

#define TEST_COGLBOX_GET_CLASS(obj) \
  (G_TYPE_INSTANCE_GET_CLASS ((obj), \
  TEST_TYPE_COGLBOX, TestCoglboxClass))

typedef struct _TestCoglbox        TestCoglbox;
typedef struct _TestCoglboxClass   TestCoglboxClass;
typedef struct _TestCoglboxPrivate TestCoglboxPrivate;

struct _TestCoglbox
{
  ClutterActor           parent;

  /*< private >*/
  TestCoglboxPrivate *priv;
};

struct _TestCoglboxClass 
{
  ClutterActorClass parent_class;

  /* padding for future expansion */
  void (*_test_coglbox1) (void);
  void (*_test_coglbox2) (void);
  void (*_test_coglbox3) (void);
  void (*_test_coglbox4) (void);
};

static GType test_coglbox_get_type (void) G_GNUC_CONST;

G_END_DECLS

/* Coglbox private declaration
 *--------------------------------------------------*/

G_DEFINE_TYPE (TestCoglbox, test_coglbox, CLUTTER_TYPE_ACTOR);

#define TEST_COGLBOX_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), TEST_TYPE_COGLBOX, TestCoglboxPrivate))

struct _TestCoglboxPrivate
{
  CoglHandle cogl_tex_id[4];
};

/* Coglbox implementation
 *--------------------------------------------------*/

#define MAX_RECT_LOCAL	2049
#define MAX_TEXT_LOCAL  2047

static void
test_coglbox_paint(ClutterActor *self)
{
  int delta;
  TestCoglboxPrivate *priv = TEST_COGLBOX_GET_PRIVATE (self);

  priv = TEST_COGLBOX_GET_PRIVATE (self);
  
  delta = (MAX_RECT_LOCAL - MAX_TEXT_LOCAL)/2;
  cogl_rectangle (delta, delta, MAX_TEXT_LOCAL + delta - 1, MAX_TEXT_LOCAL + delta - 1);

  cogl_push_matrix ();

  //cogl_set_source_texture (priv->cogl_tex_id[0]);
  
  cogl_pop_matrix();
}

static void
test_coglbox_finalize (GObject *object)
{
  G_OBJECT_CLASS (test_coglbox_parent_class)->finalize (object);
}

static void
test_coglbox_dispose (GObject *object)
{
  TestCoglboxPrivate *priv;
  
  priv = TEST_COGLBOX_GET_PRIVATE (object);
  cogl_handle_unref (priv->cogl_tex_id);
  
  G_OBJECT_CLASS (test_coglbox_parent_class)->dispose (object);
}

static void
test_coglbox_init (TestCoglbox *self)
{
  TestCoglboxPrivate *priv;
  guint            width;
  guint            height;
  guint            rowstride;
  CoglPixelFormat  format;
  gint             size;
  gchar           *file;
  
  self->priv = priv = TEST_COGLBOX_GET_PRIVATE(self);
 
/* 
printf("home dir: %s\n", g_get_home_dir());
  file = g_build_filename (g_get_home_dir() , "redhand.png", NULL);
  priv->cogl_tex_id[0] =
    cogl_texture_new_from_file (file,
                                COGL_TEXTURE_NONE,
                                COGL_PIXEL_FORMAT_ANY,
                                NULL);
  
  if (priv->cogl_tex_id[0] == COGL_INVALID_HANDLE)
    {
      printf ("Failed loading redhand.png image!\n");
      return;
    }

  g_free (file);

  printf("Texture loaded from file.\n");
  

  
  width = cogl_texture_get_width (priv->cogl_tex_id[0]);
  height = cogl_texture_get_height (priv->cogl_tex_id[0]);
  size = cogl_texture_get_data (priv->cogl_tex_id[0],
				format, 0, NULL);
  
  printf("size: %dx%d\n", width, height);
  printf("format: 0x%x\n", format);
  printf("bytesize: %d\n", size);
*/  
}

static void
test_coglbox_class_init (TestCoglboxClass *klass)
{
  GObjectClass      *gobject_class = G_OBJECT_CLASS (klass);
  ClutterActorClass *actor_class   = CLUTTER_ACTOR_CLASS (klass);

  gobject_class->finalize     = test_coglbox_finalize;
  gobject_class->dispose      = test_coglbox_dispose;  
  actor_class->paint          = test_coglbox_paint;
  
  g_type_class_add_private (gobject_class, sizeof (TestCoglboxPrivate));
}

static ClutterActor*
test_coglbox_new (void)
{
  return g_object_new (TEST_TYPE_COGLBOX, NULL);
}


int main (int argc, char *argv[]) {
  ClutterActor     *stage;
  ClutterActor     *coglbox;
  
  if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
    return 1;
  
  /* Stage */
  stage = clutter_stage_get_default ();
  clutter_actor_set_size (stage, MAX_RECT_LOCAL, MAX_RECT_LOCAL);
  clutter_stage_set_title (CLUTTER_STAGE (stage), "Cogl Test");
  
  /* Cogl Box */
/*
  coglbox = test_coglbox_new ();
  clutter_actor_set_size (coglbox, MAX_TEXT_LOCAL, MAX_TEXT_LOCAL);
  clutter_container_add_actor (CLUTTER_CONTAINER (stage), coglbox);
*/
  clutter_actor_show_all (stage);
  
  clutter_main ();
  
  return 0;
}