/* ASEPRITE
 * Copyright (C) 2001-2012  David Capello
 *
 * 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 FILTERS_COLOR_CURVE_H_INCLUDED
#define FILTERS_COLOR_CURVE_H_INCLUDED

#include <vector>

#include "gfx/point.h"

class ColorCurve
{
public:
  enum Type {
    Linear,
    //Spline,                      // TODO for the future
  };

  typedef std::vector<gfx::Point>::iterator iterator;

  ColorCurve(Type type);

  iterator begin() { return m_points.begin(); }
  iterator end() { return m_points.end(); }

  void addPoint(const gfx::Point& point);
  void removePoint(const gfx::Point& point);

  void getValues(int x1, int x2, std::vector<int>& values);

private:
  Type m_type;
  std::vector<gfx::Point> m_points;
};

#endif
