/*
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license. If you do not agree to this license, do not download, install,
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.
Third party copyrights are property of their respective owners.

Redistribution and use in source and binary forms, with or without modification,
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
    and/or other materials provided with the distribution.

  * 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
warranties of merchantability and fitness for a particular purpose are
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loss of use, data, or profits; or business interruption) however caused
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*/


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

using namespace cv;

namespace {
const char* about = "Create an ArUco grid board image";
const char* keys  =
        "{@outfile |<none> | Output image }"
        "{w        |       | Number of markers in X direction }"
        "{h        |       | Number of markers in Y direction }"
        "{l        |       | Marker side length (in pixels) }"
        "{s        |       | Separation between two consecutive markers in the grid (in pixels)}"
        "{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}"
        "{m        |       | Margins size (in pixels). Default is marker separation (-s) }"
        "{bb       | 1     | Number of bits in marker borders }"
        "{si       | false | show generated image }";
}

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

    if(argc < 7) {
        parser.printMessage();
        return 0;
    }

    int markersX = parser.get<int>("w");
    int markersY = parser.get<int>("h");
    int markerLength = parser.get<int>("l");
    int markerSeparation = parser.get<int>("s");
    int dictionaryId = parser.get<int>("d");
    int margins = markerSeparation;
    if(parser.has("m")) {
        margins = parser.get<int>("m");
    }

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

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

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

    Size imageSize;
    imageSize.width = markersX * (markerLength + markerSeparation) - markerSeparation + 2 * margins;
    imageSize.height =
        markersY * (markerLength + markerSeparation) - markerSeparation + 2 * margins;

    Ptr<aruco::Dictionary> dictionary =
        aruco::getPredefinedDictionary(aruco::PREDEFINED_DICTIONARY_NAME(dictionaryId));

    Ptr<aruco::GridBoard> board = aruco::GridBoard::create(markersX, markersY, float(markerLength),
                                                      float(markerSeparation), dictionary);

    // show created board
    Mat boardImage;
    board->draw(imageSize, boardImage, margins, borderBits);

    if(showImage) {
        imshow("board", boardImage);
        waitKey(0);
    }

    imwrite(out, boardImage);

    return 0;
}
