gimp/app/histogram_tool.h

/* 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 __HISTOGRAM_TOOL_H__
#define __HISTOGRAM_TOOL_H__

#include "histogramwidget.h"
#include "image_map.h"
#include "tools.h"

#define HISTOGRAM_WIDTH 256
#define HISTOGRAM_HEIGHT 150

typedef struct _HistogramToolDialog HistogramToolDialog;

struct _HistogramToolDialog
{
  GtkWidget       *shell;

  GtkWidget       *info_labels[7];
  GtkWidget       *channel_menu;
  HistogramWidget *histogram;
  GimpHistogram   *hist;
  GtkWidget       *gradient;

  gdouble          mean;
  gdouble          std_dev;
  gdouble          median;
  gdouble          pixels;
  gdouble          count;
  gdouble          percentile;

  GimpDrawable    *drawable;
  ImageMap         image_map;
  gint             channel;
  gint             color;
};

/*  histogram_tool functions  */
Tool * tools_new_histogram_tool       (void);
void   tools_free_histogram_tool      (Tool            *tool);

void   histogram_tool_initialize      (GDisplay        *gdisp);
void   histogram_tool_free            (void);
void   histogram_tool_histogram_range (HistogramWidget *hw,
				       gint             start,
				       gint             end,
				       gpointer         data);

#endif /* __HISTOGRAM_TOOL_H__ */