utils.h

/*
 *    HandControl - Hand gesture recognition
 *    Copyright (C) 2011  Michal Hozza (mhozza@gmail.com)
 *
 *    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 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef UTILS_H
#define UTILS_H

#include <QImage>
#include <QColor>
#include <sstream>
#include <fstream>
#include <fftw3.h>
#include <cmath>
#include <vector>
//#include "hcimage.h"

using namespace std;

//template <class T> class HCImage;

class Utils
{
  Utils(){}
public:    
  //inline static unsigned grayScale(QColor c) { return (3*c.red()+3*c.green()+4*c.blue())/10; }
  static void saveImage(QImage img, int index);
  //static void saveImage(GrayScaleImage img, int index, string fname);
  static double cabs(fftw_complex v);
};

/*
template <class T> class Matrix
{
  Matrix();
public:
  static vector<vector<T> > createIdentity(int w, int h);
  //static vector<vector<T> > vector2matrix(vector<T> v);
  static vector<vector<T> > transpone(vector<vector<T> >);

};

template <class T> vector<T> operator+(vector<T> a, vector<T> b);
template <class T> vector<vector<T> > operator+(vector<vector<T> > a, vector<vector<T> > b);

template <class T> T operator*(vector<T> a, vector<T> b); //!!skalarny sucin
template <class T> vector<vector<T> > operator+(vector<vector<T> > a, vector<vector<T> > b); //!!maticove nasobenie
*/

#endif // UTILS_H