/* The GIMP -- an image manipulation program
 * Copyright (C) 1995-1999 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 __PAINT_OPTIONS_H__
#define __PAINT_OPTIONS_H__


#include "tool_options.h"


typedef struct _PaintPressureOptions PaintPressureOptions;

struct _PaintPressureOptions
{
  GtkWidget   *frame;

  gboolean     opacity;
  gboolean     opacity_d;
  GtkWidget   *opacity_w;

  gboolean     pressure;
  gboolean     pressure_d;
  GtkWidget   *pressure_w;

  gboolean     rate;
  gboolean     rate_d;
  GtkWidget   *rate_w;

  gboolean     size;
  gboolean     size_d;
  GtkWidget   *size_w;
  
  gboolean     color;
  gboolean     color_d;
  GtkWidget   *color_w;
};


typedef struct _PaintGradientOptions PaintGradientOptions;

struct _PaintGradientOptions
{
  GtkWidget    *frame;

  gboolean      use_fade;
  gboolean      use_fade_d;
  GtkWidget    *use_fade_w;

  gdouble       fade_out;
  gdouble       fade_out_d;
  GtkObject    *fade_out_w;

  GimpUnit      fade_unit;
  GimpUnit      fade_unit_d;
  GtkWidget    *fade_unit_w;

  gboolean      use_gradient;
  gboolean      use_gradient_d;
  GtkWidget    *use_gradient_w;

  gdouble       gradient_length;
  gdouble       gradient_length_d;
  GtkObject    *gradient_length_w;

  GimpUnit      gradient_unit;
  GimpUnit      gradient_unit_d;
  GtkWidget    *gradient_unit_w;

  gint          gradient_type;
  gint          gradient_type_d;
  GtkWidget    *gradient_type_w;
};


typedef struct _PaintOptions PaintOptions;

struct _PaintOptions
{
  ToolOptions  tool_options;

  /*  vbox for the common paint options  */
  GtkWidget   *paint_vbox;

  /*  a widget to be shown if we are in global mode  */
  GtkWidget   *global;

  /*  options used by all paint tools  */
  GtkObject   *opacity_w;
  GtkWidget   *paint_mode_w;

  /*  this tool's private context  */
  GimpContext *context;

  /*  the incremental toggle  */
  gboolean     incremental;
  gboolean     incremental_d;
  GtkWidget   *incremental_w;

  /*  the pressure-sensitivity options  */
  PaintPressureOptions *pressure_options;

  /*  the fade out and gradient options  */
  PaintGradientOptions *gradient_options;
};


/*  the default pressure_options for non_gui use  */
extern PaintPressureOptions non_gui_pressure_options;

/*  the default gradient_options for non_gui use  */
extern PaintGradientOptions non_gui_gradient_options;


/*  paint tool options functions  */

PaintOptions * paint_options_new    (GtkType               tool_type,
				     ToolOptionsResetFunc  reset_func);

void           paint_options_reset  (PaintOptions         *options);


/*  to be used by "derived" paint options only  */
void           paint_options_init   (PaintOptions         *options,
				     GtkType               tool_type,
				     ToolOptionsResetFunc  reset_func);


/*  functions for the global paint options  */

/*  switch between global and per-tool paint options  */
void        paint_options_set_global       (gboolean          global);


/*  a utility function which returns a paint mode menu  */
GtkWidget * paint_mode_menu_new            (GtkSignalFunc     callback,
					    gpointer          data,
					    gboolean          with_behind_mode,
					    LayerModeEffects  initial);


#endif  /*  __PAINT_OPTIONS_H__  */