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/// \file
/// \brief Example file to demonstrate a way to compute histogram
/// \author Lubomir Bourdev and Hailin Jin
/// \date February 27, 2007

#include <algorithm>
#include <fstream>
#include <boost/gil/image.hpp>
#include <boost/gil/typedefs.hpp>
#include <boost/gil/color_convert.hpp>
#include <boost/gil/extension/io/jpeg_io.hpp>

using namespace boost::gil;

template <typename GrayView, typename R>
void gray_image_hist(const GrayView& img_view, R& hist) {
//    for_each_pixel(img_view,++lambda::var(hist)[lambda::_1]);
    for (typename GrayView::iterator it=img_view.begin(); it!=img_view.end(); ++it)

template <typename V, typename R>
void get_hist(const V& img_view, R& hist) {
    gray_image_hist(color_converted_view<gray8_pixel_t>(img_view), hist);

int main() {
    rgb8_image_t img;

    int histogram[256];

    std::fstream histo_file("out-histogram.txt",std::ios::out);
    for(std::size_t ii=0;ii<256;++ii)
        histo_file << histogram[ii] << std::endl;

    return 0;