/* The GIMP -- an image manipulation program
 * Copyright (C) 1995 Spencer Kimball and Peter Mattis
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#ifndef __TILE_MANAGER_PVT_H__
#define __TILE_MANAGER_PVT_H__


struct _TileManager
{
  gint               ref_count;     /*  reference counter                    */

  gint               x, y;          /*  tile manager offsets                 */

  gint               width;         /*  the width of the tiled area          */
  gint               height;        /*  the height of the tiled area         */
  gint               bpp;           /*  the bpp of each tile                 */

  gint               ntile_rows;    /*  the number of tiles in each row      */
  gint               ntile_cols;    /*  the number of tiles in each columns  */

  Tile             **tiles;         /*  the tiles for this level             */
  TileValidateProc   validate_proc; /*  this proc is called when an attempt
				     *  to get an invalid tile is made.
				     */
  gint               cached_num;    /*  number of cached tile */
  Tile              *cached_tile;   /*  the actual cached tile */

  gpointer           user_data;     /*  hook for hanging data off of         */
};

typedef struct _PixelDataHandlePrivate PixelDataHandlePrivate;

struct _PixelDataHandlePrivate 
{
  PixelDataHandle  public;
  TileManager     *tm;
  gint		   x1, x2, y1, y2;
  gboolean	   readable;
  gboolean         writeable;
  gboolean         local_buffer;
  Tile            *tile;
};


#endif /* __TILE_MANAGER_PVT_H__ */