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/* GIMP - The GNU 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 3 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, see <https://www.gnu.org/licenses/>.
 */

#ifndef  __GIMP_COLOR_TOOL_H__
#define  __GIMP_COLOR_TOOL_H__


#include "gimpdrawtool.h"


#define GIMP_TYPE_COLOR_TOOL            (gimp_color_tool_get_type ())
#define GIMP_COLOR_TOOL(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_COLOR_TOOL, GimpColorTool))
#define GIMP_COLOR_TOOL_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_COLOR_TOOL, GimpColorToolClass))
#define GIMP_IS_COLOR_TOOL(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_COLOR_TOOL))
#define GIMP_IS_COLOR_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_COLOR_TOOL))
#define GIMP_COLOR_TOOL_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_COLOR_TOOL, GimpColorToolClass))

#define GIMP_COLOR_TOOL_GET_OPTIONS(t)  (GIMP_COLOR_OPTIONS (gimp_tool_get_options (GIMP_TOOL (t))))


typedef struct _GimpColorToolClass GimpColorToolClass;

struct _GimpColorTool
{
  GimpDrawTool         parent_instance;

  gboolean             enabled;
  GimpColorOptions    *options;
  gboolean             saved_snap_to;

  GimpColorPickTarget  pick_target;

  gboolean             can_pick;
  gint                 center_x;
  gint                 center_y;
  GimpSamplePoint     *sample_point;
};

struct _GimpColorToolClass
{
  GimpDrawToolClass  parent_class;

  /*  virtual functions  */
  gboolean (* can_pick) (GimpColorTool      *tool,
                         const GimpCoords   *coords,
                         GimpDisplay        *display);
  gboolean (* pick)     (GimpColorTool      *tool,
                         const GimpCoords   *coords,
                         GimpDisplay        *display,
                         const Babl        **sample_format,
                         gpointer            pixel,
                         GimpRGB            *color);

  /*  signals  */
  void     (* picked)   (GimpColorTool      *tool,
                         const GimpCoords   *coords,
                         GimpDisplay        *display,
                         GimpColorPickState  pick_state,
                         const Babl         *sample_format,
                         gpointer            pixel,
                         const GimpRGB      *color);
};


GType      gimp_color_tool_get_type   (void) G_GNUC_CONST;

void       gimp_color_tool_enable     (GimpColorTool    *color_tool,
                                       GimpColorOptions *options);
void       gimp_color_tool_disable    (GimpColorTool    *color_tool);
gboolean   gimp_color_tool_is_enabled (GimpColorTool    *color_tool);


#endif  /*  __GIMP_COLOR_TOOL_H__  */