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/*
 *
 * Copyright (C) 2001-2005 Ichiro Fujinaga, Michael Droettboom, and Karl MacMillan
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef kwm01102002_static_image
#define kwm01102002_static_image

/*
  This is a convenience class that encapsulates a view
  and image data. KWM
 */

#include "image_view.hpp"
#include "image_data.hpp"

namespace Gamera {

  template<class T>
  class StaticImage : public ImageView<ImageData<T> > {
  protected:
    using ImageView<ImageData<T> >::calculate_iterators;
    using ImageView<ImageData<T> >::range_check;

  public:
    using ImageView<ImageData<T> >::nrows;
    using ImageView<ImageData<T> >::ncols;

    typedef Rect rect_type;
    typedef Size size_type;
    typedef Point point_type;
    typedef StaticImage self;
    typedef ImageView<ImageData<T> > view_type;
    /*
      The only difference between this class and the standard
      ImageView is that there is a member for the data. These
      constructors call the base class constructor (passing false
      to suppress range checking because the data is not correctly
      sized when the base class is constructed - we cannot override this
      order because the base class is always constructed before the members
      are initialized - sigh), size the data,
      do a range check, and then calculate the iterators. To resize
      the data when the size of the view changes, it is only necessary
      to override the dimensions_changed method (see below).
    */

    StaticImage(const point_type& lower_right)
      : view_type(m_data, point_type(), lower_right, false) {
      m_data.dimensions(nrows(), ncols());
      range_check();
      calculate_iterators();
    }
    StaticImage(const size_type& size)
      : view_type(m_data, point_type(), size, false) {
      m_data.dimensions(nrows(), ncols());
      range_check();
      calculate_iterators();
    }
    StaticImage(const Dim& dim)
      : view_type(m_data, point_type(), dim, false) {
      m_data.dimensions(nrows(), ncols());
      range_check();
      calculate_iterators();
    }
  protected:
    virtual void dimensions_change() {
      m_data.dimensions(nrows(), ncols());
      range_check();
      calculate_iterators();      
    }
  private:
    ImageData<T> m_data;
  };
};

#endif