/* -*- mia-c++  -*-
 *
 * This file is part of MIA - a toolbox for medical image analysis 
 * Copyright (c) Leipzig, Madrid 1999-2013 Gert Wollny
 *
 * MIA 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 3 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 MIA; if not, see <http://www.gnu.org/licenses/>.
 *
 */

NS_MIA_BEGIN

template <class Image> 
TBandPass<Image>::TBandPass(float min, float max):
	m_min(min), 
	m_max(max)
{
}


template <class Image> 
template <class Data>
typename TBandPass<Image>::result_type TBandPass<Image>::operator () (const Data& data) const
{
	TRACE("TBandPass::operator()"); 

	typename Data::const_iterator ib = data.begin(); 
	typename Data::const_iterator ie = data.end(); 
	Data *result = new Data(data.get_size(), data); 
	typename Data::iterator r = result->begin(); 
	fill(result->begin(), result->end(), 0); 
	
	while (ib != ie) {
		if (! (*ib < m_min) && ! (*ib > m_max))
			*r = *ib; 
		++r; 
		++ib; 
	}

	return typename TBandPass::result_type(result);
}

template <class Image> 
typename TBandPass<Image>::result_type TBandPass<Image>::do_filter(const Image& image) const
{
	return mia::filter(*this, image); 
}


template <class Image> 
TBandPassFilterPlugin<Image>::TBandPassFilterPlugin():
	TDataFilterPlugin<Image>("bandpass"), 
	m_min(0), 
	m_max(std::numeric_limits<float>::max())
{
	this->add_parameter("min", new CFloatParameter(m_min, -std::numeric_limits<float>::max(), 
						       std::numeric_limits<float>::max(), false, "minimum of the band")); 
	this->add_parameter("max", new CFloatParameter(m_max, -std::numeric_limits<float>::max(), 
						       std::numeric_limits<float>::max(), false, "maximum of the band")); 
}

template <class Image> 
TDataFilter<Image> *TBandPassFilterPlugin<Image>::do_create()const
{
	return new TBandPass<Image>(m_min, m_max); 
}

template <class Image> 
const std::string TBandPassFilterPlugin<Image>::do_get_descr()const
{
	return "intensity bandpass filter"; 
}

NS_MIA_END
