/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file imageTrans.h
 * @author drose
 * @date 2000-06-19
 */

#ifndef IMAGETRANS_H
#define IMAGETRANS_H

#include "pandatoolbase.h"

#include "imageFilter.h"

/**
 * A program to read an image file and write an equivalent image file,
 * possibly performing some minor operations along the way.
 */
class ImageTrans : public ImageFilter {
public:
  ImageTrans();

  void run();

private:
  static bool dispatch_channels(const std::string &opt, const std::string &arg, void *var);
  void extract_alpha();

  enum Channels {
    C_default,
    C_l = 1,
    C_la = 2,
    C_rgb = 3,
    C_rgba = 4,
    C_r,
    C_g,
    C_b,
    C_a
  };

  Channels _channels;
  LColor _color_scale;
  bool _has_color_scale;
  bool _flip, _mirror, _cw, _ccw;
};

#endif