C++ (Cpp) gimp_image_symmetry_new Examples

Example #1

File: gimpsymmetry.c Project: AdamGrzonkowski/gimp-1

GimpSymmetry *
gimp_symmetry_from_parasite (const GimpParasite *parasite,
                             GimpImage          *image,
                             GType               type)
{
  GimpSymmetry    *symmetry;
  gchar           *parasite_name;
  const gchar     *str;
  GError          *error = NULL;

  parasite_name = gimp_symmetry_parasite_name (type);

  g_return_val_if_fail (parasite != NULL, NULL);
  g_return_val_if_fail (strcmp (gimp_parasite_name (parasite),
                                parasite_name) == 0,
                        NULL);
  g_free (parasite_name);

  str = gimp_parasite_data (parasite);
  g_return_val_if_fail (str != NULL, NULL);

  symmetry = gimp_image_symmetry_new (image, type);

  if (! gimp_config_deserialize_string (GIMP_CONFIG (symmetry),
                                        str,
                                        gimp_parasite_data_size (parasite),
                                        NULL,
                                        &error))
    {
      g_warning ("Failed to deserialize symmetry parasite: %s", error->message);
      g_error_free (error);
    }

  return symmetry;
}

Example #2

File: gimpsymmetry.c Project: jiapei100/gimp

GimpSymmetry *
gimp_symmetry_from_parasite (const GimpParasite *parasite,
                             GimpImage          *image,
                             GType               type)
{
  GimpSymmetry    *symmetry;
  gchar           *parasite_name;
  const gchar     *str;
  GError          *error = NULL;

  parasite_name = gimp_symmetry_parasite_name (type);

  g_return_val_if_fail (parasite != NULL, NULL);
  g_return_val_if_fail (strcmp (gimp_parasite_name (parasite),
                                parasite_name) == 0,
                        NULL);

  str = gimp_parasite_data (parasite);

  if (! str)
    {
      g_warning ("Empty symmetry parasite \"%s\"", parasite_name);

      return NULL;
    }

  symmetry = gimp_image_symmetry_new (image, type);

  g_object_set (symmetry,
                "version", -1,
                NULL);

  if (! gimp_config_deserialize_string (GIMP_CONFIG (symmetry),
                                        str,
                                        gimp_parasite_data_size (parasite),
                                        NULL,
                                        &error))
    {
      g_printerr ("Failed to deserialize symmetry parasite: %s\n"
                  "\t- parasite name: %s\n\t- parasite data: %s\n",
                  error->message, parasite_name, str);
      g_error_free (error);

      g_object_unref (symmetry);
      symmetry = NULL;
    }
  g_free (parasite_name);

  if (symmetry)
    {
      gint version;

      g_object_get (symmetry,
                    "version", &version,
                    NULL);
      if (version == -1)
        {
          /* If version has not been updated, let's assume this parasite was
           * not representing symmetry settings.
           */
          g_object_unref (symmetry);
          symmetry = NULL;
        }
      else if (GIMP_SYMMETRY_GET_CLASS (symmetry)->update_version (symmetry) &&
               ! GIMP_SYMMETRY_GET_CLASS (symmetry)->update_version (symmetry))
        {
          g_object_unref (symmetry);
          symmetry = NULL;
        }
    }

  return symmetry;
}