/*
 * Software License Agreement (BSD License)
 *
 *  Copyright (c) 2011 Willow Garage, Inc.
 *
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions
 *  are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above
 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials provided
 *     with the distribution.
 *   * Neither the name of the copyright holder(s) nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 *  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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 */

#pragma once
 
#include <pcl/pcl_config.h>
#include <pcl/memory.h>
#ifdef HAVE_OPENNI

#include <pcl/pcl_macros.h>
#include "openni_image.h"

namespace openni_wrapper
{

  /**
   * @brief Concrete implementation of the interface Image for a YUV 422 image used by Primesense devices.
   * @author Suat Gedikli
   * @date 02.january 2011
   * @ingroup io
   */
  class PCL_EXPORTS ImageYUV422 : public Image
  {
  public:
    ImageYUV422 (pcl::shared_ptr<xn::ImageMetaData> image_meta_data) noexcept;
    ~ImageYUV422 () noexcept override;

    inline Encoding
    getEncoding () const override
    {
      return (YUV422);
    }

    bool isResizingSupported (unsigned input_width, unsigned input_height, unsigned output_width, unsigned output_height) const override;
    void fillRGB (unsigned width, unsigned height, unsigned char* rgb_buffer, unsigned rgb_line_step = 0) const override;
    void fillGrayscale (unsigned width, unsigned height, unsigned char* gray_buffer, unsigned gray_line_step = 0) const override;
    inline static bool resizingSupported (unsigned input_width, unsigned input_height, unsigned output_width, unsigned output_height);
  } ;

  bool
  ImageYUV422::resizingSupported (unsigned input_width, unsigned input_height, unsigned output_width, unsigned output_height)
  {
    return (output_width <= input_width && output_height <= input_height && input_width % output_width == 0 && input_height % output_height == 0);
  }
} // namespace

#endif
