Ejemplo n.º 1
0
int dt_lua_init_call(lua_State *L)
{

  dt_lua_push_darktable_lib(L);
  luaA_Type type_id = dt_lua_init_singleton(L, "control", NULL);
  lua_setfield(L, -2, "control");
  lua_pop(L, 1);
  
  lua_pushcfunction(L, ending_cb);
  dt_lua_type_register_const_type(L, type_id, "ending");
  lua_pushcfunction(L, dispatch_cb);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, type_id, "dispatch");
  lua_pushcfunction(L,execute_cb);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, type_id, "execute");
  lua_pushcfunction(L,sleep_cb);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, type_id, "sleep");
  lua_pushcfunction(L,read_cb);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, type_id, "read");

  lua_newtable(L);
  lua_setfield(L, LUA_REGISTRYINDEX, "dt_lua_bg_threads");
  // create stuff in init to avoid race conditions
  darktable.lua_state.context = g_main_context_new();
  stacked_job_init();
  alien_job_init();
  string_job_init();
  end_job_init();

  g_thread_new("lua thread",lua_thread_main,NULL);
  return 0;
}
Ejemplo n.º 2
0
int dt_lua_init_gui(lua_State * L)
{

    if(darktable.gui != NULL) {
        /* images */
        dt_lua_push_darktable_lib(L);
        luaA_Type type_id = dt_lua_init_singleton(L,"gui_lib",NULL);
        lua_setfield(L,-2,"gui");
        lua_pop(L,1);

        lua_pushcfunction(L,selection_cb);
        lua_pushcclosure(L,dt_lua_type_member_common,1);
        dt_lua_type_register_const_type(L,type_id,"selection");
        lua_pushcfunction(L,hovered_cb);
        dt_lua_type_register_const_type(L,type_id,"hovered");
        lua_pushcfunction(L,act_on_cb);
        dt_lua_type_register_const_type(L,type_id,"action_images");
        lua_pushcfunction(L,current_view_cb);
        lua_pushcclosure(L,dt_lua_type_member_common,1);
        dt_lua_type_register_const_type(L,type_id,"current_view");
        lua_pushcfunction(L, lua_create_job);
        lua_pushcclosure(L, dt_lua_type_member_common, 1);
        dt_lua_type_register_const_type(L, type_id, "create_job");



        // create a type describing a job object
        int job_type = dt_lua_init_gpointer_type(L, dt_lua_backgroundjob_t);
        lua_pushcfunction(L, lua_job_progress);
        dt_lua_type_register_type(L, job_type, "percent");
        lua_pushcfunction(L, lua_job_valid);
        dt_lua_type_register_type(L, job_type, "valid");
    }
    return 0;
}
Ejemplo n.º 3
0
int dt_lua_init_database(lua_State *L)
{

  /* database type */
  dt_lua_push_darktable_lib(L);
  luaA_Type type_id = dt_lua_init_singleton(L, "image_database", NULL);
  lua_setfield(L, -2, "database");
  lua_pop(L, 1);

  lua_pushcfunction(L, database_len);
  lua_pushcfunction(L, database_numindex);
  dt_lua_type_register_number_const_type(L, type_id);
  lua_pushcfunction(L, dt_lua_duplicate_image);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, type_id, "duplicate");
  lua_pushcfunction(L, dt_lua_delete_image);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, type_id, "delete");
  lua_pushcfunction(L, import_images);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, type_id, "import");
  lua_pushcfunction(L, dt_lua_move_image);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, type_id, "move_image");
  lua_pushcfunction(L, dt_lua_copy_image);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, type_id, "copy_image");

  /* database type */
  dt_lua_push_darktable_lib(L);
  type_id = dt_lua_init_singleton(L, "image_collection", NULL);
  lua_setfield(L, -2, "collection");
  lua_pop(L, 1);

  lua_pushcfunction(L, collection_len);
  lua_pushcfunction(L, collection_numindex);
  dt_lua_type_register_number_const_type(L, type_id);

  lua_pushcfunction(L, dt_lua_event_multiinstance_register);
  lua_pushcfunction(L, dt_lua_event_multiinstance_trigger);
  dt_lua_event_add(L, "post-import-film");
  dt_control_signal_connect(darktable.signals, DT_SIGNAL_FILMROLLS_IMPORTED, G_CALLBACK(on_film_imported),
                            NULL);

  lua_pushcfunction(L, dt_lua_event_multiinstance_register);
  lua_pushcfunction(L, dt_lua_event_multiinstance_trigger);
  dt_lua_event_add(L, "post-import-image");
  dt_control_signal_connect(darktable.signals, DT_SIGNAL_IMAGE_IMPORT, G_CALLBACK(on_image_imported), NULL);
  return 0;
}
Ejemplo n.º 4
0
void init(struct dt_lib_module_t *self)
{
  lua_State *L = darktable.lua_state.state;
  int my_type = dt_lua_module_entry_get_type(L, "lib", self->plugin_name);
  lua_pushcfunction(L, direction_member);
  dt_lua_type_register_type(L, my_type, "direction");
  lua_pushcfunction(L, ratio_member);
  dt_lua_type_register_type(L, my_type, "ratio");
  lua_pushcfunction(L, max_snapshot_member);
  dt_lua_type_register_const_type(L, my_type, "max_snapshot");
  lua_pushlightuserdata(L, self);
  lua_pushcclosure(L, lua_take_snapshot, 1);
  dt_lua_gtk_wrap(L);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, my_type, "take_snapshot");
  lua_pushcfunction(L, snapshots_length);
  lua_pushcfunction(L, number_member);
  dt_lua_type_register_number_const_type(L, my_type);
  lua_pushcfunction(L, selected_member);
  dt_lua_gtk_wrap(L);
  dt_lua_type_register_const_type(L, my_type, "selected");

  dt_lua_init_int_type(L, dt_lua_snapshot_t);
  lua_pushlightuserdata(L, self);
  lua_pushcclosure(L, filename_member, 1);
  dt_lua_type_register_const(L, dt_lua_snapshot_t, "filename");
  lua_pushlightuserdata(L, self);
  lua_pushcclosure(L, name_member, 1);
  dt_lua_gtk_wrap(L);
  dt_lua_type_register_const(L, dt_lua_snapshot_t, "name");
  lua_pushlightuserdata(L, self);
  lua_pushcclosure(L, lua_select, 1);
  dt_lua_gtk_wrap(L);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const(L, dt_lua_snapshot_t, "select");

  lua_pushlightuserdata(L, self);
  lua_pushcclosure(L, name_member, 1);
  dt_lua_gtk_wrap(L);
  dt_lua_type_setmetafield(L,dt_lua_snapshot_t,"__tostring");



  luaA_enum(L, snapshot_direction_t);
  luaA_enum_value_name(L, snapshot_direction_t, SNS_LEFT, "left");
  luaA_enum_value_name(L, snapshot_direction_t, SNS_RIGHT, "right");
  luaA_enum_value_name(L, snapshot_direction_t, SNS_TOP, "top");
  luaA_enum_value_name(L, snapshot_direction_t, SNS_BOTTOM, "bottom");
}
Ejemplo n.º 5
0
int dt_lua_init_film(lua_State * L)
{

  dt_lua_init_int_type(L,dt_lua_film_t);
  lua_pushcfunction(L,film_delete);
  lua_pushcclosure(L,dt_lua_type_member_common,1);
  dt_lua_type_register_const(L,dt_lua_film_t,"delete");
  lua_pushcfunction(L,path_member);
  dt_lua_type_register(L,dt_lua_film_t,"path");
  lua_pushcfunction(L,id_member);
  dt_lua_type_register(L,dt_lua_film_t,"id");

  lua_pushcfunction(L,film_len);
  lua_pushcfunction(L,film_getnum);
  dt_lua_type_register_number_const(L,dt_lua_film_t);
  lua_pushcfunction(L,dt_lua_move_image);
  lua_pushcclosure(L,dt_lua_type_member_common,1);
  dt_lua_type_register_const(L,dt_lua_film_t,"move_image");
  lua_pushcfunction(L,dt_lua_copy_image);
  lua_pushcclosure(L,dt_lua_type_member_common,1);
  dt_lua_type_register_const(L,dt_lua_film_t,"copy_image");
  luaL_getmetatable(L,"dt_lua_film_t");
  lua_pushcfunction(L,film_tostring);
  lua_setfield(L,-2,"__tostring");
  lua_pop(L,1);

  /* film table */
  dt_lua_push_darktable_lib(L);
  luaA_Type type_id = dt_lua_init_singleton(L,"film_database",NULL);
  lua_setfield(L,-2,"films");
  lua_pop(L,1);

  lua_pushcfunction(L,films_len);
  lua_pushcfunction(L,films_index);
  dt_lua_type_register_number_const_type(L,type_id);
  lua_pushcfunction(L,films_new);
  lua_pushcclosure(L,dt_lua_type_member_common,1);
  dt_lua_type_register_const_type(L,type_id,"new");
  lua_pushcfunction(L,film_delete);
  lua_pushcclosure(L,dt_lua_type_member_common,1);
  dt_lua_type_register_const_type(L,type_id,"delete");

  return 0;
}
Ejemplo n.º 6
0
void init(dt_lib_module_t *self)
{
  lua_State *L = darktable.lua_state.state;
  int my_type = dt_lua_module_entry_get_type(L, "lib", self->plugin_name);
  lua_pushlightuserdata(L,self);
  lua_pushcclosure(L, lua_register_widget,1);
  dt_lua_gtk_wrap(L);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, my_type, "register_widget");
}
Ejemplo n.º 7
0
int dt_lua_init_tags(lua_State *L)
{
  dt_lua_init_int_type(L, dt_lua_tag_t);
  lua_pushcfunction(L, tag_length);
  lua_pushcfunction(L, tag_index);
  dt_lua_type_register_number_const(L, dt_lua_tag_t);
  lua_pushcfunction(L, tag_name);
  dt_lua_type_register_const(L, dt_lua_tag_t, "name");
  lua_pushcfunction(L, tag_delete);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const(L, dt_lua_tag_t, "delete");
  lua_pushcfunction(L, dt_lua_tag_attach);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const(L, dt_lua_tag_t, "attach");
  lua_pushcfunction(L, dt_lua_tag_detach);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const(L, dt_lua_tag_t, "detach");
  lua_pushcfunction(L, tag_tostring);
  dt_lua_type_setmetafield(L,dt_lua_tag_t,"__tostring");

  /* tags */
  dt_lua_push_darktable_lib(L);
  luaA_Type type_id = dt_lua_init_singleton(L, "tag_table", NULL);
  lua_setfield(L, -2, "tags");
  lua_pop(L, 1);

  lua_pushcfunction(L, tag_lib_length);
  lua_pushcfunction(L, tag_lib_index);
  dt_lua_type_register_number_const_type(L, type_id);
  lua_pushcfunction(L, tag_lib_create);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, type_id, "create");
  lua_pushcfunction(L, tag_lib_find);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, type_id, "find");
  lua_pushcfunction(L, tag_delete);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, type_id, "delete");
  lua_pushcfunction(L, dt_lua_tag_attach);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, type_id, "attach");
  lua_pushcfunction(L, dt_lua_tag_detach);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, type_id, "detach");
  lua_pushcfunction(L, dt_lua_tag_get_attached);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, type_id, "get_tags");
  lua_pushcfunction(L, dt_lua_tag_get_tagged_images);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, type_id, "get_tagged_images");


  return 0;
}
Ejemplo n.º 8
0
int dt_lua_init_call(lua_State *L)
{
  luaA_enum(L, yield_type);
  luaA_enum_value(L, yield_type, WAIT_MS);
  luaA_enum_value(L, yield_type, FILE_READABLE);
  luaA_enum_value(L, yield_type, RUN_COMMAND);

  dt_lua_push_darktable_lib(L);
  luaA_Type type_id = dt_lua_init_singleton(L, "control", NULL);
  lua_setfield(L, -2, "control");
  lua_pop(L, 1);


  
  lua_pushcfunction(L, ending_cb);
  dt_lua_type_register_const_type(L, type_id, "ending");
  lua_pushcfunction(L, dispatch_cb);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, type_id, "dispatch");
  lua_newtable(L);
  lua_setfield(L, LUA_REGISTRYINDEX, "dt_lua_bg_threads");
  return 0;
}
Ejemplo n.º 9
0
int dt_lua_init_gui(lua_State *L)
{

  if(darktable.gui != NULL)
  {
    /* images */
    dt_lua_push_darktable_lib(L);
    luaA_Type type_id = dt_lua_init_singleton(L, "gui_lib", NULL);
    lua_setfield(L, -2, "gui");
    lua_pop(L, 1);

    lua_pushcfunction(L, selection_cb);
    lua_pushcclosure(L,dt_lua_gtk_wrap,1);
    lua_pushcclosure(L, dt_lua_type_member_common, 1);
    dt_lua_type_register_const_type(L, type_id, "selection");
    lua_pushcfunction(L, hovered_cb);
    dt_lua_type_register_const_type(L, type_id, "hovered");
    lua_pushcfunction(L, act_on_cb);
    dt_lua_type_register_const_type(L, type_id, "action_images");
    lua_pushcfunction(L, current_view_cb);
    lua_pushcclosure(L, dt_lua_type_member_common, 1);
    dt_lua_type_register_const_type(L, type_id, "current_view");
    lua_pushcfunction(L, lua_create_job);
    lua_pushcclosure(L, dt_lua_type_member_common, 1);
    dt_lua_type_register_const_type(L, type_id, "create_job");
    dt_lua_module_push(L, "lib");
    lua_pushcclosure(L, dt_lua_type_member_common, 1);
    dt_lua_type_register_const_type(L, type_id, "libs");
    dt_lua_module_push(L, "view");
    lua_pushcclosure(L, dt_lua_type_member_common, 1);
    dt_lua_type_register_const_type(L, type_id, "views");



    // create a type describing a job object
    int job_type = dt_lua_init_gpointer_type(L, dt_lua_backgroundjob_t);
    lua_pushcfunction(L, lua_job_progress);
    dt_lua_type_register_type(L, job_type, "percent");
    lua_pushcfunction(L, lua_job_valid);
    dt_lua_type_register_type(L, job_type, "valid");

    // allow to react to highlighting an image
    lua_pushcfunction(L, dt_lua_event_multiinstance_register);
    lua_pushcfunction(L, dt_lua_event_multiinstance_trigger);
    dt_lua_event_add(L, "mouse-over-image-changed");
    dt_control_signal_connect(darktable.signals, DT_SIGNAL_MOUSE_OVER_IMAGE_CHANGE, G_CALLBACK(on_mouse_over_image_changed), NULL);
  }
  return 0;
}
Ejemplo n.º 10
0
void init(struct dt_lib_module_t *self)
{

  lua_State *L = darktable.lua_state.state;
  int my_type = dt_lua_module_entry_get_type(L, "lib", self->plugin_name);
  lua_pushlightuserdata(L, self);
  lua_pushcclosure(L, lua_register_selection ,1);
  dt_lua_gtk_wrap(L);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, my_type, "register_selection");

  dt_lua_module_entry_push(L,"lib",self->plugin_name);
  lua_getuservalue(L,-1);
  lua_newtable(L);
  lua_setfield(L,-2,"callbacks");
  lua_pop(L,2);
}
Ejemplo n.º 11
0
void dt_lua_type_register_struct_type(lua_State *L, luaA_Type type_id)
{
  const char *member_name = luaA_struct_next_member_name_type(L, type_id, LUAA_INVALID_MEMBER_NAME);
  while(member_name != LUAA_INVALID_MEMBER_NAME)
  {
    lua_pushvalue(L, -1);
    luaA_Type member_type = luaA_struct_typeof_member_name_type(L, type_id, member_name);
    if(luaA_conversion_to_registered_type(L, member_type) || luaA_struct_registered_type(L, member_type)
       || luaA_enum_registered_type(L, member_type))
    {
      dt_lua_type_register_type(L, type_id, member_name);
    }
    else
    {
      dt_lua_type_register_const_type(L, type_id, member_name);
    }
    member_name = luaA_struct_next_member_name_type(L, type_id, member_name);
  }
  lua_pop(L, 1);
}
Ejemplo n.º 12
0
int dt_lua_init_styles(lua_State *L)
{
  // dt_style
  dt_lua_init_type(L, dt_style_t);
  lua_pushcfunction(L, name_member);
  dt_lua_type_register_const(L, dt_style_t, "name");
  lua_pushcfunction(L, description_member);
  dt_lua_type_register_const(L, dt_style_t, "description");
  lua_pushcfunction(L, style_length);
  lua_pushcfunction(L, style_getnumber);
  dt_lua_type_register_number_const(L, dt_style_t);
  lua_pushcfunction(L, style_duplicate);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const(L, dt_style_t, "duplicate");
  lua_pushcfunction(L, style_delete);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const(L, dt_style_t, "delete");
  lua_pushcfunction(L, dt_lua_style_apply);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const(L, dt_style_t, "apply");
  lua_pushcfunction(L, dt_lua_style_export);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const(L, dt_style_t, "export");
  lua_pushcfunction(L, style_gc);
  dt_lua_type_setmetafield(L,dt_style_t,"__gc");
  lua_pushcfunction(L, style_tostring);
  dt_lua_type_setmetafield(L,dt_style_t,"__tostring");

  // dt_style_item_t
  dt_lua_init_type(L, dt_style_item_t);
  luaA_struct(L, dt_style_item_t);
  luaA_struct_member(L, dt_style_item_t, num, const int);
  luaA_struct_member(L, dt_style_item_t, name, const_string);
  lua_pushcfunction(L, dt_lua_type_member_luaautoc);
  dt_lua_type_register_struct(L, dt_style_item_t);
  lua_pushcfunction(L, style_item_gc);
  dt_lua_type_setmetafield(L,dt_style_item_t,"__gc");
  lua_pushcfunction(L, style_item_tostring);
  dt_lua_type_setmetafield(L,dt_style_item_t,"__tostring");



  /* style table type */
  dt_lua_push_darktable_lib(L);
  luaA_Type type_id = dt_lua_init_singleton(L, "style_table", NULL);
  lua_setfield(L, -2, "styles");
  lua_pop(L, 1);

  lua_pushcfunction(L, style_table_len);
  lua_pushcfunction(L, style_table_index);
  dt_lua_type_register_number_const_type(L, type_id);
  lua_pushcfunction(L, style_duplicate);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, type_id, "duplicate");
  lua_pushcfunction(L, style_delete);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, type_id, "delete");
  lua_pushcfunction(L, dt_lua_style_create_from_image);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, type_id, "create");
  lua_pushcfunction(L, dt_lua_style_apply);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, type_id, "apply");
  lua_pushcfunction(L, dt_lua_style_import);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, type_id, "import");
  lua_pushcfunction(L, dt_lua_style_export);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, type_id, "export");

  return 0;
}
Ejemplo n.º 13
0
int dt_lua_init_cairo(lua_State *L)
{
  int cairo_type = dt_lua_init_gpointer_type(L, dt_lua_cairo_t);

  lua_pushcfunction(L, _draw_line);
  dt_lua_gtk_wrap(L);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, cairo_type, "draw_line");

  lua_pushcfunction(L, _save);
  dt_lua_gtk_wrap(L);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, cairo_type, "save");

  lua_pushcfunction(L, _restore);
  dt_lua_gtk_wrap(L);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, cairo_type, "restore");

  lua_pushcfunction(L, _new_sub_path);
  dt_lua_gtk_wrap(L);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, cairo_type, "new_sub_path");

  lua_pushcfunction(L, _scale);
  dt_lua_gtk_wrap(L);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, cairo_type, "scale");

  lua_pushcfunction(L, _translate);
  dt_lua_gtk_wrap(L);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, cairo_type, "translate");

  lua_pushcfunction(L, _rotate);
  dt_lua_gtk_wrap(L);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, cairo_type, "rotate");

  lua_pushcfunction(L, _move_to);
  dt_lua_gtk_wrap(L);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, cairo_type, "move_to");

  lua_pushcfunction(L, _line_to);
  dt_lua_gtk_wrap(L);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, cairo_type, "line_to");

  lua_pushcfunction(L, _arc);
  dt_lua_gtk_wrap(L);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, cairo_type, "arc");

  lua_pushcfunction(L, _arc_negative);
  dt_lua_gtk_wrap(L);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, cairo_type, "arc_negative");

  lua_pushcfunction(L, _rectangle);
  dt_lua_gtk_wrap(L);
  lua_pushcclosure(L, dt_lua_type_member_common, 1);
  dt_lua_type_register_const_type(L, cairo_type, "rectangle");

  return 0;
}