#include <Magick++.h>
#include <cassert>
#include <vector>
#include <glob.h>
#include <iostream>
#include <fstream>
#include <sstream>

using namespace std;
using namespace Magick;

int main(int argc,char **argv)
{
    glob_t pics;
    glob("*.jpg",GLOB_MARK,NULL,&pics);
    InitializeMagick(*argv);
    vector<Image> im;
    for(int i = 0; i < pics.gl_pathc; ++i){
        try
        {
            Image newim(pics.gl_pathv[i]);
            newim.resize("1000x480");
            im.push_back(newim);
            while(im.size() > 639){
                ostringstream oss;
                oss << "im" << i+360 << ".jpg";
                Image out("640x480", "white");
                out.type(TrueColorType);
                out.modifyImage();
                ssize_t x = 0;
                for(vector<Image>::iterator it = im.begin(); it != im.end(); ++it){
                    assert(it->columns() >= 640);
                    assert(it->rows() >= 480);
                    assert(out.columns() >= 640);
                    assert(out.rows() >= 480);
                    assert(x < 640);
                    PixelPacket *in_cache = it->getPixels(x,0,1,480);
                    PixelPacket *out_cache = out.getPixels(x,0,1,480);
                    for(int p = 0; p < 480; ++p) out_cache[p] = in_cache[p];
                    out.syncPixels();
                    ++x;
                    if(x > 639) break;
                }
                out.write(oss.str());
                im.erase(im.begin());
            }
        }
        catch( Exception &error_ )
        {
            cout << "Caught exception: " << error_.what() << endl;
            return 1;
        }
    }
    return 0;
}