lib/object.h

   1 /* Dia -- an diagram creation/manipulation program -*- c -*-
   2  * Copyright (C) 1998 Alexander Larsson
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17  */
  18
  19 /** @file object.h -- definitions for Dia objects, in particular the 'virtual'
  20  * functions and the object and type structures.
  21  */
  22 #ifndef OBJECT_H
  23 #define OBJECT_H
  24
  25 #include "diatypes.h"
  26 #include <gtk/gtk.h>
  27
  28 #include "geometry.h"
  29 #include "connectionpoint.h"
  30 #include "handle.h"
  31 #include "diamenu.h"
  32 #include "objchange.h"
  33 #include "dia_xml.h"
  34 #include "parent.h"
  35 #include "text.h"
  36
  37 G_BEGIN_DECLS
  38
  39 /** Flags for DiaObject */
  40 /** Set this if the DiaObject can 'contain' other objects that move with
  41  *  it, a.k.a. be a parent.  A parent moves its children along and
  42  *  constricts its children to live inside its borders.
  43  */
  44 #define DIA_OBJECT_CAN_PARENT 1
  45 /** Set this if the DiaObject grabs all input destined for its children.
  46  * This is typically used for group-like objects.
  47  */
  48 #define DIA_OBJECT_GRABS_CHILD_INPUT 2
  49
  50 /** This enumeration gives a bitset of modifier keys currently held down.
  51  */
  52 typedef enum {
  53   MODIFIER_NONE,
  54   MODIFIER_LEFT_SHIFT,
  55   MODIFIER_RIGHT_SHIFT,
  56   MODIFIER_SHIFT,
  57   MODIFIER_LEFT_ALT = 4,
  58   MODIFIER_RIGHT_ALT = 8,
  59   MODIFIER_ALT = 12,
  60   MODIFIER_LEFT_CONTROL = 16,
  61   MODIFIER_RIGHT_CONTROL = 32,
  62   MODIFIER_CONTROL = 48
  63 } ModifierKeys;
  64
  65 /************************************
  66  ** Some general function prototypes
  67  **
  68  ** These are the prototypes for the
  69  ** functions that must be defined for
  70  ** every object we can insert in a
  71  ** diagram.
  72  **
  73  ************************************/
  74
  75 /*** Object type (class) operations ***/
  76
  77 /** Function called to create an object.
  78  *  This function is responsible for allocation memory for the object.
  79  *  This is one of the object class functions.
  80  * @param startpoint : initial position for the object
  81  * @param user_data  : Can be used to pass extra params to the creation
  82  *                of the object. Can be used to have two icons of
  83  *                the same object that are instansiated a bit different.
  84  * @param handle1    : (return) Handle connected to startpoint
  85  * @param handle2    : (return) Handle dragged on creation
  86  *  both handle1 and handle2 can be NULL
  87  * @return A newly created object.
  88 */
  89 typedef DiaObject* (*CreateFunc) (Point *startpoint,
  90                                void *user_data,
  91                                Handle **handle1,
  92                                Handle **handle2);
  93
  94 /** This function load the object's data from file fd. No header has to be
  95  *  skipped. The data should be read using the functions in lib/files.h
  96  *  The memory for the object has to be allocated (see CreateFunc)
  97  *  The version number is the version number of the DiaObjectType that was saved.
  98  *  This must be used to maintain backwards compatible if you change some
  99  *  in the save format. All objects must be capable of reading all earlier
 100  *  version.
 101  *  This is one of the object class functions.
 102  * @param obj_node A node in an XML object to load from.
 103  * @param version The version of the object found in the XML file.
 104  * @param filename The name of the file we're loading from, for use in
 105  *                 error messages.
 106  */
 107 typedef DiaObject* (*LoadFunc) (ObjectNode obj_node, int version,
 108                                 const char *filename);
 109
 110 /** This function save the object's data to file fd. No header is required.
 111  *  The data should be written using the functions in lib/files.h
 112  *  This is one of the object class functions.
 113  * @param obj An object to save.
 114  * @param obj_node An XML node to save it in.
 115  * @param filename The name of the file we're saving to, for use in error
 116  *                 messages.
 117  */
 118 typedef void (*SaveFunc) (DiaObject* obj, ObjectNode obj_node,
 119                           const char *filename);
 120
 121 /** Function called when the user has double clicked on an Tool.
 122  *  When this function is called and the dialog already is created,
 123  *  make sure to update the values in the widgets so that it
 124  *  accurately describes the current state of the tool.
 125  *  This is one of the object class functions.
 126  * @return a dialog that the user can use to edit the defaults for new
 127  * objects of this type.
 128 */
 129 typedef GtkWidget *(*GetDefaultsFunc) ();
 130
 131 /** Function called when the user clicks Apply on an edit defaults dialog.
 132  * This is currently not used by any object.
 133  * This is one of the object class functions.
 134  */
 135 typedef void *(*ApplyDefaultsFunc) ();
 136
 137 /*** Object operations ***/
 138
 139 /** Function called before an object is deleted.
 140  *  This function must call the parent class's DestroyFunc, and then free
 141  *  the memory associated with the object, but not the object itself
 142  *  Must also unconnect itself from all other objects.
 143  *  (This is by calling object_destroy, or letting the super-class call it)
 144  *  This is one of the object_ops functions.
 145  * @param obj An object to destroy.
 146  */
 147 typedef void (*DestroyFunc) (DiaObject* obj);
 148
 149
 150 /** Function responsible for drawing the object.
 151  *  Every drawing must be done through the use of the Renderer, so that we
 152  *  can render the picture on screen, in an eps file, ...
 153  *  This is one of the object_ops functions.
 154  * @param The object to draw.
 155  * @param The renderer object to draw with.
 156  */
 157 typedef void (*DrawFunc) (DiaObject* obj, DiaRenderer* ddisp);
 158
 159
 160 /** This function must return the distance between the DiaObject and the Point.
 161  *  Several functions are provided in geometry.h to facilitate this calculus.
 162  *  This is one of the object_ops functions.
 163  * @param obj The object.
 164  * @param point A point to give the distance to.
 165  * @return The distance from the point to the nearest part of the object.
 166  *         If the point is inside a closed object, return 0.0.
 167  */
 168 typedef real (*DistanceFunc) (DiaObject* obj, Point* point);
 169
 170
 171 /** Function called once the object has been selected.
 172  *  Basically, this function should update the object (position of the
 173  *  handles,...)  This is one of the object_ops functions.
 174  *  This function should not redraw the object.
 175  * @param obj An object that is being selected.
 176  * @param clicked_point is the point on the screen where the user has clicked
 177  * @param interactive_renderer is a renderer that has some extra functions
 178  *                        most notably the possibility to get EXACT
 179  *                       measures of strings. Used to place cursors
 180  *                       and other interactive stuff.
 181  *                       (Don't draw to the renderer)
 182  */
 183 typedef void (*SelectFunc) (DiaObject*   obj,
 184                             Point*    clicked_point,
 185                             DiaRenderer* interactive_renderer);
 186
 187 /** Returns a copy of DiaObject.
 188  *  This must be an depth-copy (pointers must be duplicated and so on)
 189  *  as the initial object can be deleted any time.
 190  *  This is one of the object_ops functions.
 191  * @param obj An object to make a copy of.
 192  * @return A newly allocated object copied from `obj', but without any
 193  *         connections to other objects.
 194  */
 195 typedef DiaObject* (*CopyFunc) (DiaObject* obj);
 196
 197 /** Function called to move the entire object.
 198  *  This is one of the object_ops functions.
 199  * @param obj The object being moved.
 200  * @param pos Where the object is being moved to.
 201  *  Its exact definition depends on the object. It is the point on the
 202  *  object that 'snaps' to the grid if that is enabled. (generally it
 203  *  is the upper left corner)
 204  * @return An ObjectChange* with additional undo information, or
 205  * (in most cases) NULL.  Undo for moving the object itself is handled
 206  * elsewhere.
 207  */
 208 typedef ObjectChange* (*MoveFunc) (DiaObject* obj, Point * pos);
 209
 210 /** Function called to move one of the handles associated with the
 211  *  object.  This is one of the object_ops functions.
 212  * @param obj The object whose handle is being moved.
 213  * @param handle The handle being moved.
 214  * @param pos The position it has been moved to (corrected for
 215  *   vertical/horizontal only movement).
 216  * @param cp If non-NULL, the connectionpoint found at this position.
 217  *   If @a cp is NULL, there may or may not be a connectionpoint.
 218  * @param The reason the handle was moved.
 219  *     - HANDLE_MOVE_USER means the user is dragging the point.
 220  *     - HANDLE_MOVE_USER_FINAL means the user let go of the point.
 221  *     - HANDLE_MOVE_CONNECTED means it was moved because something
 222  *          it was connected to moved.
 223  * @param modifiers gives a bitset of modifier keys currently held down
 224  *     - MODIFIER_SHIFT is either shift key
 225  *     - MODIFIER_ALT is either alt key
 226  *     - MODIFIER_CONTROL is either control key
 227  *          Each has MODIFIER_LEFT_* and MODIFIER_RIGHT_* variants
 228  * @return An @a ObjectChange* with additional undo information, or
 229  *  (in most cases) NULL.  Undo for moving the handle itself is handled
 230  *  elsewhere.
 231  */
 232 typedef ObjectChange* (*MoveHandleFunc) (DiaObject*          obj,
 233                                          Handle*          handle,
 234                                          Point*           pos,
 235                                          ConnectionPoint* cp,
 236                                          HandleMoveReason reason,
 237                                          ModifierKeys     modifiers);
 238
 239 /** Function called when the user has double clicked on an DiaObject.
 240  *  This is one of the object_ops functions.
 241  * @param obj An obj that this dialog is being made for.
 242  * @param is_default If true, this dialog is for object defaults, and
 243  * the toolbox options should not be shown.
 244  * @return A dialog to edit the properties of the object.
 245  * When this function is called and the dialog already is created,
 246  * make sure to update the values in the widgets so that it
 247  * accurately describes the current state of the object.
 248  * Remember to destroy this dialog when the object is destroyed!
 249
 250  * Note that if you want to use the same dialog multiple times,
 251  * you should ref it first.  Just run the following on the widget
 252  * when you create it:
 253  *   gtk_object_ref(GTK_OBJECT(widget));
 254  *   gtk_object_sink(GTK_OBJECT(widget)); / * optional, but recommended * /
 255  * If you don't do this, the widget will be destroyed when the
 256  * properties dialog is closed.
 257  */
 258 typedef GtkWidget *(*GetPropertiesFunc) (DiaObject* obj, gboolean is_default);
 259
 260 /** This function is called when the user clicks on
 261  *  the "Apply" button.  The widget parameter is the one created by
 262  *  the get_properties function.
 263  *  This is one of the object_ops functions.
 264  * @param obj The object whose dialog has had its Apply button clicked.
 265  * @param widget The properties dialog being applied.
 266  * @return a Change that can be used for undo/redo.
 267  * The returned change is already applied.
 268  */
 269 typedef ObjectChange *(*ApplyPropertiesFunc) (DiaObject* obj, GtkWidget *widget);
 270
 271 /** Desribe the properties that this object supports.
 272  *  This is one of the object_ops functions.
 273  * @param obj The object whose properties we want described.
 274  * @return a NULL-terminated array of property descriptions.
 275  * As the const return implies the returned data is not owned by  the caller.
 276  */
 277 typedef const PropDescription *(* DescribePropsFunc) (DiaObject *obj);
 278
 279 /** Get the actual values of the properties given.
 280  * Note that the props array need not contain all the properties
 281  * defined for the object, nor do all the properties in the array need be
 282  * defined for the object.  All properties in the props array that are
 283  * actually set will be set.
 284  * This is one of the object_ops functions.
 285  * @param obj An object that delivers the values.
 286  * @param props A list of Property objects whose values are to be set based
 287  *              on the objects internal data.  The types for the objects are
 288  *              also being set as a side-effect.
 289  */
 290 typedef void (* GetPropsFunc) (DiaObject *obj, GPtrArray *props);
 291
 292 /** Set the object to have the values defined in the properties list.
 293  * Note that the props array may contain more or fewer properties than the
 294  * object defines, but only and all the ones defined for the object will
 295  * be applied to the object.
 296  * This is one of the object_ops functions.
 297  * @param obj An object to update values on.
 298  * @param props An array of Property objects whose values are to be set on
 299  *              the object.
 300  */
 301 typedef void (* SetPropsFunc) (DiaObject *obj, GPtrArray *props);
 302
 303 /** Return an object-specific menu with toggles etc. properly set.
 304  * This is one of the object_ops functions.
 305  * @param obj The object that is selected when the object menu is asked for.
 306  * @param position Where the user clicked.  This can be used to place whatever
 307  * the menu point may create, such as new segment corners.
 308  * @return A menu description with values set appropriately for this object.
 309  * The description object must not be freed by the caller.
 310  */
 311 typedef DiaMenu *(*ObjectMenuFunc) (DiaObject* obj, Point *position);
 312
 313 /** Function for updates on a text part of an object.  This function, if
 314  * not null, will be called every time the text is changed or editing
 315  * starts or stops.
 316  * This is one of the object_ops functions.
 317  * @param obj The self object
 318  * @param text The text entry being edited
 319  * @param state The state of the editing, either TEXT_EDIT_START,
 320  * TEXT_EDIT_INSERT, TEXT_EDIT_DELETE, or TEXT_EDIT_END.
 321  * @param textchange For TEXT_EDIT_INSERT, the text about to be inserted.
 322  * For TEXT_EDIT_DELETE, the text about to be deleted.
 323  * @return For TEXT_EDIT_INSERT and TEXT_EDIT_DELETE, TRUE this change
 324  * will be allowed, FALSE otherwise.  For TEXT_EDIT_START and TEXT_EDIT_END,
 325  * the return value is ignored.
 326  */
 327 typedef gboolean (*TextEditFunc) (DiaObject *obj, Text *text, TextEditState state, gchar *textchange);
 328
 329 /*************************************
 330  **  The functions provided in object.c
 331  *************************************/
 332
 333 void object_init(DiaObject *obj, int num_handles, int num_connections);
 334 void object_destroy(DiaObject *obj); /* Unconnects handles, so don't
 335                                             free handles before calling. */
 336 void object_copy(DiaObject *from, DiaObject *to);
 337
 338 void object_save(DiaObject *obj, ObjectNode obj_node);
 339 void object_load(DiaObject *obj, ObjectNode obj_node);
 340
 341 GList *object_copy_list(GList *list);
 342 ObjectChange* object_list_move_delta_r(GList *objects, Point *delta, gboolean affected);
 343 ObjectChange* object_list_move_delta(GList *objects, Point *delta);
 344 /** Rotate an object around a point.  If center is NULL, the position of
 345  * the object is used. */
 346 ObjectChange* object_list_rotate(GList *objects, Point *center, real angle);
 347 /** Scale an object around a point.  If center is NULL, the position of
 348  * the object is used. */
 349 ObjectChange* object_list_scale(GList *objects, Point *center, real factor);
 350 void destroy_object_list(GList *list);
 351 void object_add_handle(DiaObject *obj, Handle *handle);
 352 void object_add_handle_at(DiaObject *obj, Handle *handle, int pos);
 353 void object_remove_handle(DiaObject *obj, Handle *handle);
 354 void object_add_connectionpoint(DiaObject *obj, ConnectionPoint *conpoint);
 355 void object_remove_connectionpoint(DiaObject *obj,
 356                                    ConnectionPoint *conpoint);
 357 void object_add_connectionpoint_at(DiaObject *obj,
 358                                    ConnectionPoint *conpoint,
 359                                    int pos);
 360 void object_connect(DiaObject *obj, Handle *handle,
 361                     ConnectionPoint *conpoint);
 362 void object_unconnect(DiaObject *connected_obj, Handle *handle);
 363 void object_remove_connections_to(ConnectionPoint *conpoint);
 364 void object_unconnect_all(DiaObject *connected_obj);
 365 void object_registry_init(void);
 366 void object_register_type(DiaObjectType *type);
 367 void object_registry_foreach(GHFunc func, gpointer  user_data);
 368 DiaObjectType *object_get_type(char *name);
 369 gchar *object_get_displayname (DiaObject* obj);
 370 gboolean object_flags_set(DiaObject* obj, gint flags);
 371
 372 int object_return_false(DiaObject *obj); /* Just returns FALSE */
 373 void *object_return_null(DiaObject *obj); /* Just returns NULL */
 374 void object_return_void(DiaObject *obj); /* Just an empty function */
 375
 376 /* These functions can be used as a default implementation for an object which
 377    can be completely described, loaded and saved through standard properties.
 378 */
 379 DiaObject *object_load_using_properties(const DiaObjectType *type,
 380                                      ObjectNode obj_node, int version,
 381                                      const char *filename);
 382 void object_save_using_properties(DiaObject *obj, ObjectNode obj_node,
 383                                   int version, const char *filename);
 384 DiaObject *object_copy_using_properties(DiaObject *obj);
 385
 386 /*****************************************
 387  **  The structures used to define an object
 388  *****************************************/
 389
 390 /**
 391  * \private This is currently unused
 392  *
 393  * This structure defines an affine transformation that has been applied
 394  * to this object.  Affine transformations done on a group are performed
 395  * on all objects in the group.
 396  */
 397 typedef struct _Affine {
 398   real rotation;
 399   real scale;
 400   real translation;
 401 } Affine;
 402
 403
 404 /*!
 405   \brief _DiaObject vtable
 406
 407   This structure gives access to the functions used to manipulate an object
 408   See information above on the use of the functions
 409 */
 410 struct _ObjectOps {
 411   DestroyFunc         destroy;
 412   DrawFunc            draw;
 413   DistanceFunc        distance_from;
 414   SelectFunc          selectf;
 415   CopyFunc            copy;
 416   MoveFunc            move;
 417   MoveHandleFunc      move_handle;
 418   GetPropertiesFunc   get_properties;
 419   ApplyPropertiesFunc apply_properties;
 420   ObjectMenuFunc      get_object_menu;
 421
 422   DescribePropsFunc   describe_props;
 423   GetPropsFunc        get_props;
 424   SetPropsFunc        set_props;
 425
 426   TextEditFunc        edit_text;
 427
 428   /*!
 429     Unused places (for extension).
 430     These should be NULL for now. In the future they might be used.
 431     Then an older object will be binary compatible, because all new code
 432     checks if new ops are supported (!= NULL)
 433   */
 434   void      (*(unused[5]))(DiaObject *obj,...);
 435 };
 436
 437 /*!
 438   \class _DiaObject
 439
 440   \brief Base class for all of Dia's objects, i.e. diagram building blocks
 441
 442   The base class in the DiaObject hierarchy.
 443   All information in this structure read-only
 444   from the application point of view except
 445   when connection objects. (Then handles and
 446   connections are changed).
 447
 448   position is not necessarly the corner of the object, but rather
 449   some 'good' spot on it which will be natural to snap to.
 450 */
 451 struct _DiaObject {
 452   DiaObjectType    *type; /*!< pointer to the registered type */
 453   Point             position; /*!<  often but not necessarily the upper left corner of the object */
 454   /** The area that contains all parts of the 'real' object, i.e. the parts
 455    *  that would be printed, exported to pixmaps etc.  This is also used to
 456    *  determine the size of autofit scaling, so it should be as large as
 457    *  the objects without interactive bits and preferably no larger.
 458    *  The bounding_box will always contain this box.
 459    *  Do not access this field directly, but use dia_object_get_enclosing_box().
 460    */
 461   Rectangle         bounding_box;
 462   Affine            affine; /*!< unused */
 463
 464   int               num_handles;
 465   Handle          **handles;
 466
 467   int               num_connections;
 468   ConnectionPoint **connections;
 469
 470   ObjectOps *ops; /*!< pointer to the vtable */
 471
 472   Layer *parent_layer; /*< Back-pointer to the owning layer.
 473                            This may only be set by functions internal to
 474                            the layer, and accessed via
 475                            dia_object_get_parent_layer() */
 476   DiaObject *parent; /*!< Back-pointer to DiaObject which is parenting this object. Can be NULL */
 477   GList *children; /*!< In case this object is a parent of other object the children are listed here */
 478   gint flags; /*!< Various flags that can be set for this object, see defines above */
 479
 480   Color *highlight_color; /*!< The color that this object is currently
 481                                highlighted with, or NULL if it is not
 482                                highlighted. */
 483   /** The area that contains all parts rendered interactively, so includes
 484    *  handles, bezier controllers etc.  Despite historical difference, this
 485    *  should not be accessed directly, but through dia_object_get_bounding_box().
 486    *  Note that handles and connection points are not included by this, but
 487    *  added by that which needs it.
 488    *  Internal:  If this is set to a 0x0 box, returns bounding_box.  That is for
 489    *  those objects that don't actually calculate it, but can just use the BB.
 490    *  Since handles and CPs are not in the BB, that will be the case for most
 491    *  objects.
 492    */
 493   Rectangle         enclosing_box;
 494 };
 495
 496 /*!
 497  * \brief Vtable for _DiaObjectType
 498  */
 499 struct _ObjectTypeOps {
 500   CreateFunc        create;
 501   LoadFunc          load;
 502   SaveFunc          save;
 503   GetDefaultsFunc   get_defaults;
 504   ApplyDefaultsFunc apply_defaults;
 505   /*
 506     Unused places (for extension).
 507     These should be NULL for now. In the future they might be used.
 508     Then an older object will be binary compatible, because all new code
 509     checks if new ops are supported (!= NULL)
 510   */
 511   void      (*(unused[10]))(DiaObject *obj,...);
 512 };
 513
 514 /*!
 515    \brief _DiaObject factory
 516
 517    Structure so that the ObjectFactory can create objects
 518    of unknown type. (Read in from a shared lib.)
 519  */
 520 struct _DiaObjectType {
 521
 522   char *name; /*!< The type name should follow a pattern of '<module> - <class>' like "UML - Class" */
 523   int version; /*!< DiaObjects must be backward compatible, i.e. support possibly older versions formats */
 524
 525   char **pixmap; /* Also put a pixmap in the sheet_object.
 526                     This one is used if not in sheet but in toolbar.
 527                     Stored in xpm format */
 528
 529   ObjectTypeOps *ops; /*!< pointer to the vtable */
 530
 531   char *pixmap_file; /* fallback if pixmap is NULL */
 532   void *default_user_data; /* use this if no user data is specified in
 533                               the .sheet file */
 534 };
 535
 536 /* base property stuff ... */
 537 #define OBJECT_COMMON_PROPERTIES \
 538   { "obj_pos", PROP_TYPE_POINT, 0, \
 539     "Object position", "Where the object is located"}, \
 540   { "obj_bb", PROP_TYPE_RECT, 0, \
 541     "Object bounding box", "The bounding box of the object"}
 542
 543 #define OBJECT_COMMON_PROPERTIES_OFFSETS \
 544   { "obj_pos", PROP_TYPE_POINT, offsetof(DiaObject, position) }, \
 545   { "obj_bb", PROP_TYPE_RECT, offsetof(DiaObject, bounding_box) }
 546
 547
 548 gboolean       dia_object_defaults_load (const gchar *filename,
 549                                          gboolean create_lazy);
 550 void           dia_object_default_make (const DiaObject *obj_from);
 551 DiaObject  *dia_object_default_get  (const DiaObjectType *type);
 552 DiaObject  *dia_object_default_create (const DiaObjectType *type,
 553                                     Point *startpoint,
 554                                     void *user_data,
 555                                     Handle **handle1,
 556                                     Handle **handle2);
 557 gboolean       dia_object_defaults_save (const gchar *filename);
 558 Layer         *dia_object_get_parent_layer(DiaObject *obj);
 559 gboolean       dia_object_is_selected (const DiaObject *obj);
 560 Rectangle     *dia_object_get_bounding_box(const DiaObject *obj);
 561 Rectangle     *dia_object_get_enclosing_box(const DiaObject *obj);
 562 DiaObject     *dia_object_get_parent_with_flags(DiaObject *obj, guint flags);
 563 gboolean       dia_object_is_selectable(DiaObject *obj);
 564 /* The below are for debugging purposes only. */
 565 gboolean   dia_object_sanity_check(const DiaObject *obj, const gchar *msg);
 566
 567 G_END_DECLS
 568
 569 #endif /* OBJECT_H */
 570