/* 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 __GIMP_THRESHOLD_TOOL_H__
#define __GIMP_THRESHOLD_TOOL_H__


#include "gimpimagemaptool.h"


#define GIMP_TYPE_THRESHOLD_TOOL            (gimp_threshold_tool_get_type ())
#define GIMP_THRESHOLD_TOOL(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_THRESHOLD_TOOL, GimpThresholdTool))
#define GIMP_THRESHOLD_TOOL_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_THRESHOLD_TOOL, GimpThresholdToolClass))
#define GIMP_IS_THRESHOLD_TOOL(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_THRESHOLD_TOOL))
#define GIMP_IS_THRESHOLD_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_THRESHOLD_TOOL))
#define GIMP_THRESHOLD_TOOL_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_THRESHOLD_TOOL, GimpThresholdToolClass))


typedef struct _GimpThresholdTool      GimpThresholdTool;
typedef struct _GimpThresholdToolClass GimpThresholdToolClass;

struct _GimpThresholdTool
{
  GimpImageMapTool  parent_instance;
};

struct _GimpThresholdToolClass
{
  GimpImageMapToolClass  parent_class;
};


typedef struct _ThresholdDialog ThresholdDialog;

struct _ThresholdDialog
{
  GtkWidget         *shell;

  GtkAdjustment     *low_threshold_data;
  GtkAdjustment     *high_threshold_data;

  GimpHistogramView *histogram;
  GimpHistogram     *hist;

  GimpDrawable      *drawable;
  ImageMap          *image_map;

  gint               color;
  gint               low_threshold;
  gint               high_threshold;

  gboolean           preview;
};


void    gimp_threshold_tool_register (Gimp                     *gimp,
                                      GimpToolRegisterCallback  callback);

GType   gimp_threshold_tool_get_type (void) G_GNUC_CONST;


void    threshold_2                  (gpointer     data,
                                      PixelRegion *srcPR,
                                      PixelRegion *destPR);


#endif  /*  __GIMP_THRESHOLD_TOOL_H__  */