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 *  Point Cloud Library (PCL) - www.pointclouds.org
 *  Copyright (c) 2010-2011, Willow Garage, Inc.
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 * $Id$
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#pragma once

#include <pcl/point_cloud.h>

namespace pcl
{
  namespace common
  {
    /** expand point cloud inserting \a amount rows at the 
     * top and the bottom of a point cloud and filling them with 
     * custom values.
     * \param[in] input the input point cloud
     * \param[out] output the output point cloud
     * \param[in] val the point value to be inserted
     * \param[in] amount the amount of rows to be added
     */
    template <typename PointT> void
    expandRows (const PointCloud<PointT>& input, PointCloud<PointT>& output, 
                const PointT& val, const std::size_t& amount);

    /** expand point cloud inserting \a amount columns at 
      * the right and the left of a point cloud and filling them with 
      * custom values.
      * \param[in] input the input point cloud
      * \param[out] output the output point cloud
      * \param[in] val the point value to be inserted
      * \param[in] amount the amount of columns to be added
      */
    template <typename PointT> void
    expandColumns (const PointCloud<PointT>& input, PointCloud<PointT>& output, 
                   const PointT& val, const std::size_t& amount);

    /** expand point cloud duplicating the \a amount top and bottom rows times.
      * \param[in] input the input point cloud
      * \param[out] output the output point cloud
      * \param[in] amount the amount of rows to be added
      */
    template <typename PointT> void
    duplicateRows (const PointCloud<PointT>& input, PointCloud<PointT>& output, 
                   const std::size_t& amount);

    /** expand point cloud duplicating the \a amount right and left columns
      * times.
      * \param[in] input the input point cloud
      * \param[out] output the output point cloud
      * \param[in] amount the amount of cilumns to be added
      */
    template <typename PointT> void
    duplicateColumns (const PointCloud<PointT>& input, PointCloud<PointT>& output, 
                      const std::size_t& amount);

    /** expand point cloud mirroring \a amount top and bottom rows. 
      * \param[in] input the input point cloud
      * \param[out] output the output point cloud
      * \param[in] amount the amount of rows to be added
      */
    template <typename PointT> void
    mirrorRows (const PointCloud<PointT>& input, PointCloud<PointT>& output, 
                const std::size_t& amount);

    /** expand point cloud mirroring \a amount right and left columns.
      * \param[in] input the input point cloud
      * \param[out] output the output point cloud
      * \param[in] amount the amount of rows to be added
      */
    template <typename PointT> void
    mirrorColumns (const PointCloud<PointT>& input, PointCloud<PointT>& output, 
                   const std::size_t& amount);

    /** delete \a amount rows in top and bottom of point cloud 
      * \param[in] input the input point cloud
      * \param[out] output the output point cloud
      * \param[in] amount the amount of rows to be added
      */
    template <typename PointT> void
    deleteRows (const PointCloud<PointT>& input, PointCloud<PointT>& output, 
                const std::size_t& amount);

    /** delete \a amount columns in top and bottom of point cloud
      * \param[in] input the input point cloud
      * \param[out] output the output point cloud
      * \param[in] amount the amount of rows to be added
      */
    template <typename PointT> void
    deleteCols (const PointCloud<PointT>& input, PointCloud<PointT>& output, 
                const std::size_t& amount);
  };
}

#include <pcl/common/impl/spring.hpp>