/* 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 __GIMPDRAWABLEP_H__
#define __GIMPDRAWABLEP_H__

#include "gimpobjectP.h"
#include "gimpdrawable.h"
#include "parasitelistF.h"
#include "gimppreviewcache.h"

struct _GimpDrawable
{
  GimpObject data;

  gchar         *name;                  /* name of drawable               */
  TileManager   *tiles;                 /* tiles for drawable data        */
  gboolean       visible;               /* controls visibility            */
  gint           width, height;		/* size of drawable               */
  gint           offset_x, offset_y;	/* offset of layer in image       */

  gint           bytes;			/* bytes per pixel                */
  gint           ID;			/* provides a unique ID           */
  guint32        tattoo;		/* provides a perminant ID        */
  GimpImage     *gimage;		/* gimage owner                   */
  GimpImageType  type;			/* type of drawable               */
  gboolean       has_alpha;		/* drawable has alpha             */

  ParasiteList  *parasites;             /* Plug-in parasite data          */

  /*  Preview variables  */
  GSList        *preview_cache;	       	/* preview caches of the channel  */
  gboolean       preview_valid;		/* is the preview valid?          */
};

struct _GimpDrawableClass
{
  GimpObjectClass parent_class;

  void (* invalidate_preview) (GtkObject *);
};

typedef struct _GimpDrawableClass GimpDrawableClass;

#define GIMP_DRAWABLE_CLASS(klass)     (GTK_CHECK_CLASS_CAST ((klass), GIMP_TYPE_DRAWABLE, GimpDrawableClass))

#define GIMP_IS_DRAWABLE_CLASS(klass)  (GTK_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_DRAWABLE))

void gimp_drawable_configure (GimpDrawable *, GimpImage *,
			      gint, gint, GimpImageType, gchar *);

#endif /* __GIMPDRAWABLEP_H__ */