aruco_print_marker.cpp

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/*****************************
Copyright 2011 Rafael Muñoz Salinas. All rights reserved.

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//saves to file an image of the  indicated marker from the dictionary indicated

#include <opencv2/highgui/highgui.hpp>
#include <iostream>
#include "aruco.h"
using namespace cv;
using namespace std;

//convinience command line parser
class CmdLineParser{int argc; char **argv; public:   CmdLineParser(int _argc,char **_argv):argc(_argc),argv(_argv){} bool operator[] ( string param ) {int idx=-1;  for ( int i=0; i<argc && idx==-1; i++ ) if ( string ( argv[i] ) ==param ) idx=i;    return ( idx!=-1 ) ;    } string operator()(string param,string defvalue="-1"){int idx=-1;    for ( int i=0; i<argc && idx==-1; i++ ) if ( string ( argv[i] ) ==param ) idx=i; if ( idx==-1 ) return defvalue;   else  return ( argv[  idx+1] ); }};


int main(int argc, char **argv) {
    try {
        if (argc < 2) {
            // You can also use ids 2000-2007 but it is not safe since there are a lot of false positives.
            cerr << "Usage: <makerid> outfile.(jpg|png|ppm|bmp)  [options] \n\t[-bs <size>:bit size in pixels. 50 by default ] \n\t[-d <dictionary>: ARUCO default]" << endl;
            auto dict_names=aruco::Dictionary::getDicTypes();
            cerr<<"\t\tDictionaries: ";
            for(auto dict:dict_names)    cerr<<dict<<" ";cerr<<endl;
            return -1;
        }
        CmdLineParser cml(argc,argv);
        int pixSize = std::stoi( cml("-bs","75"));//pixel size each each bit
        //loads the desired dictionary
        aruco::Dictionary dic=aruco::Dictionary::loadPredefined(  cml("-d","ARUCO")  );

        cv::imwrite(argv[2], dic.getMarkerImage_id(stoi(argv[1]),pixSize));

    } catch (std::exception &ex) {
        cout << ex.what() << endl;
    }
}