/*
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copy or use the software.

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

Copyright (C) 2013, OpenCV Foundation, all rights reserved.
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are permitted provided that the following conditions are met:

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

  * Redistributions in binary form must reproduce the above copyright notice,
    this list of conditions and the following disclaimer in the documentation
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  * Neither the names of the copyright holders nor the names of the contributors
    may be used to endorse or promote products derived from this software
    without specific prior written permission.

This software is provided by the copyright holders and contributors "as is" and
any express or implied warranties, including, but not limited to, the implied
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*/


#include <opencv2/highgui.hpp>
#include <opencv2/objdetect/aruco_detector.hpp>
#include <iostream>
#include "aruco_samples_utility.hpp"

using namespace cv;

namespace {
const char* about = "Create an ArUco marker image";

//! [aruco_create_markers_keys]
const char* keys  =
        "{@outfile |<none> | Output image }"
        "{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}"
        "{cd       |       | Input file with custom dictionary }"
        "{id       |       | Marker id in the dictionary }"
        "{ms       | 200   | Marker size in pixels }"
        "{bb       | 1     | Number of bits in marker borders }"
        "{si       | false | show generated image }";
}
//! [aruco_create_markers_keys]


int main(int argc, char *argv[]) {
    CommandLineParser parser(argc, argv, keys);
    parser.about(about);

    if(argc < 4) {
        parser.printMessage();
        return 0;
    }

    int markerId = parser.get<int>("id");
    int borderBits = parser.get<int>("bb");
    int markerSize = parser.get<int>("ms");
    bool showImage = parser.get<bool>("si");

    String out = parser.get<String>(0);

    if(!parser.check()) {
        parser.printErrors();
        return 0;
    }

    aruco::Dictionary dictionary = aruco::getPredefinedDictionary(0);
    if (parser.has("d")) {
        int dictionaryId = parser.get<int>("d");
        dictionary = aruco::getPredefinedDictionary(aruco::PredefinedDictionaryType(dictionaryId));
    }
    else if (parser.has("cd")) {
        FileStorage fs(parser.get<std::string>("cd"), FileStorage::READ);
        bool readOk = dictionary.aruco::Dictionary::readDictionary(fs.root());
        if(!readOk) {
            std::cerr << "Invalid dictionary file" << std::endl;
            return 0;
        }
    }
    else {
        std::cerr << "Dictionary not specified" << std::endl;
        return 0;
    }

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

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

    imwrite(out, markerImg);

    return 0;
}
