/*
-----------------------------------------------------------------------
Copyright 2012 iMinds-Vision Lab, University of Antwerp

Contact: astra@ua.ac.be
Website: http://astra.ua.ac.be


This file is part of the
All Scale Tomographic Reconstruction Antwerp Toolbox ("ASTRA Toolbox").

The ASTRA Toolbox 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.

The ASTRA Toolbox 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 the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>.

-----------------------------------------------------------------------
$Id$
*/

#ifdef ASTRA_CUDA

#include "astra/CudaRoiSelectAlgorithm.h"

#include "../cuda/2d/darthelper.h"
#include "../cuda/2d/algo.h"

#include "astra/AstraObjectManager.h"
#include <boost/lexical_cast.hpp>

using namespace std;

namespace astra {

// type of the algorithm, needed to register with CAlgorithmFactory
std::string CCudaRoiSelectAlgorithm::type = "RoiSelect_CUDA";

//----------------------------------------------------------------------------------------
// Constructor
CCudaRoiSelectAlgorithm::CCudaRoiSelectAlgorithm() 
{
	m_fRadius = 0.0f;
	m_bIsInitialized = false;
}

//----------------------------------------------------------------------------------------
// Destructor
CCudaRoiSelectAlgorithm::~CCudaRoiSelectAlgorithm() 
{

}

//---------------------------------------------------------------------------------------
// Initialize - Config
bool CCudaRoiSelectAlgorithm::initialize(const Config& _cfg)
{
	ASTRA_ASSERT(_cfg.self);
	ConfigStackCheck<CAlgorithm> CC("CudaDartMaskAlgorithm", this, _cfg);

	// reconstruction data
	XMLNode* node = _cfg.self->getSingleNode("DataId");
	ASTRA_CONFIG_CHECK(node, "CudaRoiSelect", "No DataId tag specified.");
	int id = boost::lexical_cast<int>(node->getContent());
	m_pData = dynamic_cast<CFloat32VolumeData2D*>(CData2DManager::getSingleton().get(id));
	ASTRA_DELETE(node);
	CC.markNodeParsed("DataId");

	// Option: GPU number
	m_iGPUIndex = (int)_cfg.self->getOptionNumerical("GPUindex", -1);
	m_iGPUIndex = (int)_cfg.self->getOptionNumerical("GPUIndex", m_iGPUIndex);
	CC.markOptionParsed("GPUindex");
	if (!_cfg.self->hasOption("GPUindex"))
		CC.markOptionParsed("GPUIndex");

	// Option: Radius
	m_fRadius = (unsigned int)_cfg.self->getOptionNumerical("Radius", 0.0f);
	CC.markOptionParsed("Radius");

	_check();

	if (!m_bIsInitialized)
		return false;

	return true;
}

//---------------------------------------------------------------------------------------
// Initialize - C++
//bool CCudaDartMaskAlgorithm::initialize(CFloat32VolumeData2D* _pSegmentation, int _iConn)
//{
//	return false;
//}

//----------------------------------------------------------------------------------------
// Iterate
void CCudaRoiSelectAlgorithm::run(int _iNrIterations)
{
	// check initialized
	ASTRA_ASSERT(m_bIsInitialized);

	const CVolumeGeometry2D& volgeom = *m_pData->getGeometry();
	unsigned int width = volgeom.getGridColCount();
	unsigned int height = volgeom.getGridRowCount();

	if (m_fRadius == 0){
		m_fRadius = (width < height) ? width : height;
	}

	astraCUDA::setGPUIndex(m_iGPUIndex);
	astraCUDA::roiSelect(m_pData->getData(), m_fRadius, width, height);
}

//----------------------------------------------------------------------------------------
// Check
bool CCudaRoiSelectAlgorithm::_check() 
{

	// success
	m_bIsInitialized = true;
	return true;
}

//---------------------------------------------------------------------------------------
// Information - All
map<string,boost::any> CCudaRoiSelectAlgorithm::getInformation()
{
	map<string,boost::any> res;
	return mergeMap<string,boost::any>(CAlgorithm::getInformation(), res);
}

//---------------------------------------------------------------------------------------
// Information - Specific
boost::any CCudaRoiSelectAlgorithm::getInformation(std::string _sIdentifier)
{
	return NULL;
}


} // namespace astra

#endif // ASTRA_CUDA