/*
 *  RSGISFindClumpCatagoryStats.h
 *  RSGIS_LIB
 *
 *  Created by Pete Bunting on 01/08/2012.
 *  Copyright 2012 RSGISLib.
 * 
 *  RSGISLib 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.
 *
 *  RSGISLib 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 RSGISLib.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef RSGISFindClumpCatagoryStats_H
#define RSGISFindClumpCatagoryStats_H

#include <iostream>
#include <string>
#include <cmath>
#include <vector>
#include <map>

#include "gdal_priv.h"
#include "gdal_rat.h"

#include "common/RSGISAttributeTableException.h"

#include "math/RSGISMathException.h"

#include "rastergis/RSGISRasterAttUtils.h"

#include "utils/RSGISTextUtils.h"

#include "img/RSGISImageCalcException.h"
#include "img/RSGISCalcImageValue.h"
#include "img/RSGISCalcImage.h"

#include <boost/numeric/conversion/cast.hpp>
#include <boost/lexical_cast.hpp>

// mark all exported classes/functions with DllExport to have
// them exported by Visual Studio
#undef DllExport
#ifdef _MSC_VER
    #ifdef rsgis_rastergis_EXPORTS
        #define DllExport   __declspec( dllexport )
    #else
        #define DllExport   __declspec( dllimport )
    #endif
#else
    #define DllExport
#endif

namespace rsgis{namespace rastergis{
	
    struct DllExport CategoryField
    {
        size_t category;
        std::string fieldName;
        std::string className;
        size_t fieldIdx;
        size_t localIdx;
    };
    
    class DllExport RSGISFindClumpCatagoryStats
    {
    public:
        RSGISFindClumpCatagoryStats();
        void calcCatergoriesOverlaps(GDALDataset *clumpsDS, GDALDataset *catsDS, std::string outColsName, std::string majorityColName, bool copyClassName, std::string majClassNameField, std::string classNameField, unsigned int ratBandClumps, unsigned int ratBandCats);
        ~RSGISFindClumpCatagoryStats();
    };
	
    
    class DllExport RSGISCountNumPxlsInCats : public rsgis::img::RSGISCalcImageValue
	{
	public: 
		RSGISCountNumPxlsInCats(size_t *catsCount, size_t minCat, size_t numCatVals, unsigned int ratBandCats);
        void calcImageValue(long *intBandValues, unsigned int numIntVals, float *floatBandValues, unsigned int numfloatVals);
		~RSGISCountNumPxlsInCats();
    private:
        size_t *catsCount;
        size_t minCat;
        size_t numCatVals;
        unsigned int ratBandCats;
	};
    
    
    class DllExport RSGISCountNumPxlsInCatsPerClump : public rsgis::img::RSGISCalcImageValue
	{
	public: 
		RSGISCountNumPxlsInCatsPerClump(unsigned int **catStats, std::map<size_t,CategoryField> *cats, unsigned int ratClumpsBand, unsigned int ratCatsBand);
        void calcImageValue(long *intBandValues, unsigned int numIntVals, float *floatBandValues, unsigned int numfloatVals);
		~RSGISCountNumPxlsInCatsPerClump();
    private:
        unsigned int **catStats;
        std::map<size_t,CategoryField> *cats;
        unsigned int ratClumpsBand;
        unsigned int ratCatsBand;
	};
    
    
}}

#endif



