opencv_contrib/modules/aruco/samples/create_marker.cpp

/*
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                          License Agreement
               For Open Source Computer Vision Library
                       (3-clause BSD License)

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  * Redistributions of source code must retain the above copyright notice,
    this list of conditions and the following disclaimer.

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This software is provided by the copyright holders and contributors "as is" and
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*/


#include <opencv2/highgui.hpp>
#include <opencv2/aruco.hpp>
#include <iostream>

using namespace std;
using namespace cv;


/**
 */
static void help() {
    cout << "Create an ArUco marker image" << endl;
    cout << "Parameters: " << endl;
    cout << "-o <image> # Output image" << endl;
    cout << "-d <dictionary> # DICT_4X4_50=0, DICT_4X4_100=1, DICT_4X4_250=2, "
         << "DICT_4X4_1000=3, DICT_5X5_50=4, DICT_5X5_100=5, DICT_5X5_250=6, DICT_5X5_1000=7, "
         << "DICT_6X6_50=8, DICT_6X6_100=9, DICT_6X6_250=10, DICT_6X6_1000=11, DICT_7X7_50=12,"
         << "DICT_7X7_100=13, DICT_7X7_250=14, DICT_7X7_1000=15, DICT_ARUCO_ORIGINAL = 16" << endl;
    cout << "-id <int> # Marker id in the dictionary" << endl;
    cout << "[-ms <int>] # Marker size in pixels. Default is 200" << endl;
    cout << "[-bb <int>] # Number of bits in marker borders. Default is 1" << endl;
    cout << "[-si] # show generated image" << endl;
}


/**
 */
static bool isParam(string param, int argc, char **argv) {
    for(int i = 0; i < argc; i++)
        if(string(argv[i]) == param) return true;
    return false;
}


/**
 */
static string getParam(string param, int argc, char **argv, string defvalue = "") {
    int idx = -1;
    for(int i = 0; i < argc && idx == -1; i++)
        if(string(argv[i]) == param) idx = i;
    if(idx == -1 || (idx + 1) >= argc)
        return defvalue;
    else
        return argv[idx + 1];
}


/**
 */
int main(int argc, char *argv[]) {

    if(!isParam("-d", argc, argv) || !isParam("-o", argc, argv)) {
        help();
        return 0;
    }

    int dictionaryId = atoi(getParam("-d", argc, argv).c_str());
    aruco::Dictionary dictionary =
        aruco::getPredefinedDictionary(aruco::PREDEFINED_DICTIONARY_NAME(dictionaryId));

    int markerId = atoi(getParam("-id", argc, argv).c_str());

    int borderBits = 1;
    if(isParam("-bb", argc, argv)) {
        borderBits = atoi(getParam("-bb", argc, argv).c_str());
    }

    int markerSize = 200;
    if(isParam("-ms", argc, argv)) {
        markerSize = atoi(getParam("-ms", argc, argv).c_str());
    }

    bool showImage = false;
    if(isParam("-si", argc, argv)) showImage = true;

    Mat markerImg;
    aruco::drawMarker(dictionary, markerId, markerSize, markerImg, borderBits);

    if(showImage) {
        imshow("marker", markerImg);
        waitKey(0);
    }

    imwrite(getParam("-o", argc, argv), markerImg);

    return 0;
}