deployment

CMakeLists.txt

@@ -135,12 +135,18 @@ endif()
 
 FetchContent_Declare(httplib SYSTEM
     GIT_REPOSITORY https://github.com/yhirose/cpp-httplib
-    GIT_TAG 2eaa2ea64f9fb12773306534d461d9ed63cb76b6 # v0.14.1
+    GIT_TAG c765584e6b1055fe0dfe3e9e6d1b4b09aa305070
     GIT_SHALLOW TRUE)
 FetchContent_MakeAvailable(httplib)
 
 find_package(OpenCV REQUIRED COMPONENTS core imgproc imgcodecs)
 
+find_package(PkgConfig)
+pkg_check_modules(QRENCODE REQUIRED libqrencode)
+include_directories(${QRENCODE_INCLUDE_DIRS})
+link_directories(${QRENCODE_LIBRARY_DIRS})
+target_link_libraries(checks-parser PRIVATE ${QRENCODE_LIBRARIES})
+
 include_directories( ${OpenCV_INCLUDE_DIRS} )
 target_include_directories(checks-parser PUBLIC ${OpenCV_INCLUDE_DIRS})
 

README.md

@@ -29,6 +29,7 @@ In general, you need to install following dependencies in order to build that ap
 * curl
 * nlohmann-json
 * qt5
+* qrencode
 
 Please, do not hesitate to open an issue if you cannot build that. I will help and if you are building on a distro that is not listed there, we can append that list as soon as we will solve your problem!
 ### Linux
@@ -36,7 +37,7 @@ Please, do not hesitate to open an issue if you cannot build that. I will help a
 I recommend using aur helper (I use yay) to install dependencies. Or, if you're masochist, you can build all by yourself ¯\\\_(ツ)\_/¯
 ```
 #Install dependencies
-yay -S base-devel qt5-base opencv zbar nlohmann-json tesseract
+yay -S base-devel qt5-base opencv zbar nlohmann-json tesseract qrencode
 #Install a language package for OCR. Replace ``LANG` to your language. For example, ``tesseract-data-rus`` for russian language
 yay -S tesseract-data-LANG
 #Clone and compile an app
@@ -52,9 +53,9 @@ In debian-based distributions most, but not every, package names are the same.
 
 Installation of dependencies for different debian-based distros:
 ###### Ubuntu 18.04
-```apt install -y qtbase5-dev openssl libmbedtls-dev tesseract-ocr tesseract-ocr-rus libopencv-dev libzbar-dev qttools5-dev nlohmann-json-dev libcurl4-openssl-dev libtesseract-dev```
+```apt install -y qtbase5-dev openssl libmbedtls-dev tesseract-ocr tesseract-ocr-rus libopencv-dev libzbar-dev qttools5-dev nlohmann-json-dev libcurl4-openssl-dev libtesseract-dev libqrencode-dev```
 ###### Ubuntu 20.04, LMDE (tested only 6), Debian (tested only 12)
-```apt install -y qtbase5-dev openssl libmbedtls-dev tesseract-ocr tesseract-ocr-rus libopencv-dev libzbar-dev qttools5-dev nlohmann-json3-dev libcurl4-openssl-dev libtesseract-dev```
+```apt install -y qtbase5-dev openssl libmbedtls-dev tesseract-ocr tesseract-ocr-rus libopencv-dev libzbar-dev qttools5-dev nlohmann-json3-dev libcurl4-openssl-dev libtesseract-dev libqrencode-dev```
 
 Next steps are identical for every debian-based distro
 ```

README.ru.md

@@ -37,7 +37,7 @@
 Я рекомендую использовать помощник для АУРа (я использую yay) чтобы установить зависимости. Или, если вы мазохист, можете собрать все зависимости ручками ¯\\\_(ツ)\_/¯
 ```
 #Установка зависимостей
-yay -S base-devel qt5-base opencv zbar nlohmann-json tesseract
+yay -S base-devel qt5-base opencv zbar nlohmann-json tesseract qrencode
 #Установка языкового пакета для OCR. Замените ``LANG` на желаемый язык. Например, ``tesseract-data-rus`` для русского языка
 yay -S tesseract-data-LANG
 #Загрузка исходгого кода и сборка приложения

adjustpicturedialog.cpp

@@ -41,7 +41,13 @@ void AdjustPictureDialog::accept() {
         infoDialog.setWindowTitle(tr("No QR code"));
         infoDialog.exec();
     } else {
-        emit decodedData(result);
+        std::map<std::string, std::string> paramsMap;
+        std::vector<std::string> dataSplit = split(result, "&");
+        for (std::string &pair : dataSplit) {
+            std::vector<std::string> values = split(pair, "=");
+            paramsMap.insert(std::pair<std::string, std::string>(values[0], values[1]));
+        }
+        emit decodedData(paramsMap);
         QDialog::accept();
     }
 

adjustpicturedialog.h

@@ -22,7 +22,7 @@ public:
     void computeContrastLookupTable();
     std::vector<unsigned short> contrastLUT[100];
 signals:
-    void decodedData(std::string data);
+    void decodedData(std::map<std::string, std::string> data);
 
 private slots:
 

deploy/appimage/AppDir/AppRun

@@ -1,4 +0,0 @@
-#!/bin/bash
-export TESSDATA_PREFIX=$APPDIR/usr/share/tesseract-ocr/4.00/tessdata
-
-$APPDIR/usr/bin/checks-parser

deploy/appimage/AppRun

@@ -0,0 +1,4 @@
+#!/bin/bash
+export TESSDATA_PREFIX=\$APPDIR/usr/share/tesseract-ocr/4.00/tessdata
+
+\$APPDIR/usr/bin/checks-parser

deploy/appimage/Dockerfile

@@ -0,0 +1,71 @@
+FROM ubuntu:20.04
+
+# Installing dependencies
+RUN apt update
+
+RUN DEBIAN_FRONTEND=noninteractive apt install -y qtbase5-dev openssl libmbedtls-dev tesseract-ocr tesseract-ocr-rus libopencv-dev libzbar-dev qttools5-dev nlohmann-json3-dev libcurl4-openssl-dev libtesseract-dev libqrencode-dev
+RUN DEBIAN_FRONTEND=noninteractive apt install -y wget git cmake make gcc g++ fuse
+
+# For gcc 12
+RUN DEBIAN_FRONTEND=noninteractive apt install -y libmpc-dev libmpfr-dev libgmp-dev
+
+# The program uses std::regex_constants::multiline and some other C++17 things that are not found in gcc for Ubuntu Focal. Thus, we should compile it.
+
+WORKDIR /
+
+RUN wget https://mirror.linux-ia64.org/gnu/gcc/releases/gcc-12.3.0/gcc-12.3.0.tar.gz
+RUN tar xf gcc-12.3.0.tar.gz
+
+WORKDIR /gcc-12.3.0
+RUN ./configure --disable-multilib
+RUN make -j $(nproc) && make install
+
+WORKDIR /
+RUN rm -rf gcc-12.3.0
+
+ENTRYPOINT bash
+
+# Download linuxdeployqt
+RUN wget https://github.com/probonopd/linuxdeployqt/releases/download/continuous/linuxdeployqt-continuous-x86_64.AppImage -O /usr/bin/linuxdeployqt && \
+    chmod +x /usr/bin/linuxdeployqt
+
+# Prepare AppDir and its files
+WORKDIR /appimage
+RUN mkdir -p AppDir
+
+COPY deploy/appimage/checks-parser.desktop AppDir
+COPY icon.png AppDir/checks-parser.png
+COPY deploy/appimage/AppRun AppDir
+RUN chmod +x AppDir/AppRun
+
+#Copy only necessities
+COPY assets ./assets
+COPY check ./check
+COPY exceptions ./exceptions
+COPY goods ./goods
+COPY image ./image
+COPY image_redactor ./image_redactor
+COPY output ./output
+COPY parser ./parser
+COPY settings ./settings
+COPY scenes ./scenes
+COPY net ./net
+COPY translations ./translations
+COPY utils ./utils
+
+COPY ./*cpp ./*.h ./*.ui ./*.qrc CMakeLists.txt .
+
+RUN mkdir build
+WORKDIR /appimage/build
+
+RUN cmake -DBUILD_TRANSLATIONS=on .. && make -j 8
+
+WORKDIR /appimage/AppDir/usr/bin
+
+RUN cp /appimage/build/checks-parser .
+
+WORKDIR /appimage
+
+RUN LD_LIBRARY_PATH=LD_LIBRARY_PATH=/usr/local/lib64 linuxdeployqt AppDir/usr/bin/checks-parser -no-copy-copyright-files -appimage
+
+ENTRYPOINT bash

main.cpp

@@ -33,6 +33,7 @@ static QWidget *loadUI(QWidget *parent, std::string filename) {
 }
 
 int main(int argc, char *argv[]) {
+    srand(time(0));
 
     QApplication app(argc, argv);
 
@@ -92,10 +93,6 @@ int main(int argc, char *argv[]) {
     OCRScene *ocrscene = new OCRScene();
     OFDScene *ofdscene = new OFDScene();
 
-    // ofdscene->startHttpServer();
-    // get_local_ip_address();
-
-
     sceneLayout->addWidget(mainwindowscene);
     sceneLayout->addWidget(emailTextScene);
     sceneLayout->addWidget(ocrscene);

ofdscene.cpp

@@ -7,16 +7,22 @@
 #include <adjustpicturedialog.h>
 #include <httplib.h>
 #include <outputdialog.h>
+#include <qpixmap.h>
 #include <solvecaptchadialog.h>
 
 #include <net/net.h>
-
 #include <exceptions/ofdrequestexception.h>
+#include <bits/basic_string.h>
+#include <qrencode.h>
+
+#include <bits/basic_string.h>
 
 OFDScene::OFDScene(QWidget *parent)
     : QWidget(parent)
     , ui(new Ui::OFDScene) {
     ui->setupUi(this);
+
+    QObject::connect(this, &OFDScene::httpErrorOccured, this, &OFDScene::notifyHttpServerFailure);
 }
 
 OFDScene::~OFDScene() {
@@ -25,6 +31,7 @@ OFDScene::~OFDScene() {
 
 void OFDScene::startHttpServer() {
     std::string localIp = "";
+
     try {
         localIp = get_local_ip_address();
     } catch(std::exception e) {
@@ -32,13 +39,43 @@ void OFDScene::startHttpServer() {
         return;
     }
 
-    httplib::Server svr;
+    unsigned short number_of_retries = 0;
-    //TODO: generate random port from 1024 to 65535 and check if its used.
-    svr.Get("/", [&](const httplib::Request &, httplib::Response &res){
-        res.set_redirect("http://"+ localIp +":8080/", 301);
-    });
 
-    svr.listen("0.0.0.0", 8080);
+    do {
+        if (number_of_retries == 10) {
+            emit httpErrorOccured();
+            return;
+        }
+        this->port = rand() % (65535 - 1024) + 1024;
+
+        std::string connectionString = "binaryeye://scan/?ret=http://"+ localIp +":"+ std::to_string(port) +"/?result={RESULT}";
+
+        server.Get("/", [&](const httplib::Request &req, httplib::Response &res){
+            std::map<std::string, std::string> paramsMap;
+            if (req.params.size() < 1) {
+                res.set_redirect(connectionString, 301);
+                std::cerr << "Too few params: " << req.params.size() << std::endl;
+                return;
+            }
+            std::string result = req.params.find("result")->second;
+            std::vector<std::string> dataSplit = split(result, "&");
+            for (std::string &pair : dataSplit) {
+                std::vector<std::string> values = split(pair, "=");
+                paramsMap.insert(std::pair<std::string, std::string>(values[0], values[1]));
+            }
+
+            emit onDataDecode(paramsMap);
+
+            res.set_redirect(connectionString, 301);
+        });
+
+        std::cerr << "Listening on port: " << this->port << std::endl;
+        if (!server.listen("0.0.0.0", this->port)) {
+            std::cerr << "Random port seems to be occupied. Trying to generate another one" << std::endl;
+            number_of_retries ++;
+            continue;
+        }
+    } while(true);
 }
 
 void OFDScene::on_choose_image_button_clicked() {
@@ -53,7 +90,6 @@ void OFDScene::on_choose_image_button_clicked() {
         return;
     }
 
-
     ui->info_label->setText(tr("Selected image: ") + filename);
 
     AdjustPictureDialog dialog = AdjustPictureDialog(this, filename.toStdString());
@@ -61,27 +97,27 @@ void OFDScene::on_choose_image_button_clicked() {
     dialog.exec();
 }
 
-void OFDScene::onDataDecode(std::string data) {
+void OFDScene::onDataDecode(std::map<std::string, std::string> data) {
-    std::vector<std::string> dataSplit = split(data, "&");
+    ui->fn_line_edit->setText(QString::fromStdString(data["fn"]));
+    ui->fd_line_edit->setText(QString::fromStdString(data["i"]));
+    ui->fi_line_edit->setText(QString::fromStdString(data["fp"]));
 
-    ui->fn_line_edit->setText(QString::fromStdString(split(dataSplit[2], "=")[1]));
+    QString extractedDateTime = QString::fromStdString(data["t"]);
-    ui->fd_line_edit->setText(QString::fromStdString(split(dataSplit[3], "=")[1]));
-    ui->fi_line_edit->setText(QString::fromStdString(split(dataSplit[4], "=")[1]));
-
-    QString extractedDateTime = QString::fromStdString(split(dataSplit[0], "=")[1]);
     //TODO: some QRs contain datetime in format yyyyMMddThhmmss. Perhaps there is more different formats, should write function to detect them.
     QDateTime datetime = QDateTime::fromString(extractedDateTime, "yyyyMMddThhmm");
+    if (datetime == QDateTime::fromString(extractedDateTime, "20000101T1200")) {
+        datetime = QDateTime::fromString(extractedDateTime, "yyyyMMddThhmmss");
+    }
     ui->purchase_datetime_edit->setDateTime(datetime);
 
-    int type = std::stoi(split(dataSplit[5], "=")[1]);
+    int type = std::stoi(data["n"]);
     ui->operation_type_combo_box->setCurrentIndex(type - 1);
 
-    std::string total = split(dataSplit[1], "=")[1];
+    std::string total = data["s"];
 
     ui->total_spin_box->setValue(std::stod(total));
 }
 
-
 void OFDScene::on_parse_button_clicked() {
     Net net;
     net.get_captcha_from_ofdru();
@@ -140,11 +176,41 @@ void OFDScene::on_parse_button_clicked() {
         OutputDialog d = OutputDialog(this, check);
         d.exec();
     }
-
 }
 
-
 void OFDScene::on_binary_eye_button_clicked() {
+    http_thread = new std::thread(&OFDScene::startHttpServer, this);
+    ui->binary_eye_button->setEnabled(false);
 
+    while (!server.is_running());
+    std::string localIp;
+    try {
+        localIp = get_local_ip_address();
+    } catch(std::exception e) {
+        std::cerr << e.what() << std::endl;
+        return;
+    }
+    std::string connectionString = "binaryeye://scan?ret=http://" + localIp + ":" + std::to_string(port) + "/?result={RESULT}";
+
+    generate_qr_code(connectionString);
+
+    QMessageBox infoDialog = QMessageBox();
+    infoDialog.setText(QString::fromStdString(connectionString));
+    infoDialog.setIconPixmap(QPixmap(QString::fromStdString(get_path_relative_to_home(".local/share/checks_parser/binaryeye_connection.png"))).scaled(400, 400, Qt::KeepAspectRatio));
+    infoDialog.setWindowTitle(tr("QR code for binaryeye to connect"));
+    infoDialog.setButtonText(1, tr("I've scanned"));
+    infoDialog.exec();
+}
+
+void OFDScene::notifyHttpServerFailure() {
+    QMessageBox infoDialog = QMessageBox();
+    infoDialog.setText(tr("Could not start http server. 10 times in a row random port was occupied. Either you should run for a lottery ticket, or the problem is in the program. If the lottery ticket wasn't lucky, please, contact the developer."));
+    infoDialog.setIcon(QMessageBox::Warning);
+    infoDialog.setWindowTitle(tr("Could not start http server."));
+    infoDialog.exec();
+}
+
+unsigned int OFDScene::getPort() {
+    return port;
 }
 

ofdscene.h

@@ -2,6 +2,8 @@
 #define OFDSCENE_H
 
 #include <QWidget>
+#include <httplib.h>
+#include <thread>
 
 namespace Ui {
 class OFDScene;
@@ -15,16 +17,27 @@ public:
     explicit OFDScene(QWidget *parent = nullptr);
     ~OFDScene();
     void startHttpServer();
+
+    unsigned int getPort();
 private slots:
     void on_choose_image_button_clicked();
-    void onDataDecode(std::string data);
+    void onDataDecode(std::map<std::string, std::string>);
 
     void on_parse_button_clicked();
 
     void on_binary_eye_button_clicked();
+    void notifyHttpServerFailure();
+
+signals:
+
+    void httpErrorOccured();
 
 private:
     Ui::OFDScene *ui;
+    std::thread *http_thread;
+
+    unsigned int port;
+    httplib::Server server;
 };
 
 #endif // OFDSCENE_H

translations/en_US.ts

@@ -367,50 +367,74 @@
         <translation>Parse</translation>
     </message>
     <message>
-        <location filename="../ofdscene.cpp" line="49"/>
+        <location filename="../ofdscene.cpp" line="205"/>
+        <source>Could not start http server. 10 times in a row random port was occupied. Either you should run for a lottery ticket, or the problem is in the program. If the lottery ticket wasn&apos;t lucky, please, contact the developer.</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../ofdscene.cpp" line="207"/>
+        <source>Could not start http server.</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../ofdscene.cpp" line="84"/>
         <source>Please, select a picture where QR code that contains info about check is present</source>
         <translation>Please, select a picture where QR code that contains info about check is present</translation>
     </message>
     <message>
-        <location filename="../ofdscene.cpp" line="51"/>
+        <location filename="../ofdscene.cpp" line="86"/>
         <source>Picture was not selected</source>
         <translation>Picture was not selected</translation>
     </message>
     <message>
-        <location filename="../ofdscene.cpp" line="57"/>
+        <location filename="../ofdscene.cpp" line="91"/>
         <source>Selected image: </source>
         <translation>Selected image: </translation>
     </message>
     <message>
-        <location filename="../ofdscene.cpp" line="116"/>
+        <location filename="../ofdscene.cpp" line="150"/>
         <source>Captcha was not solved correctly!</source>
         <translation>Captcha was not solved correctly!</translation>
     </message>
     <message>
-        <location filename="../ofdscene.cpp" line="118"/>
+        <location filename="../ofdscene.cpp" line="152"/>
         <source>Captcha is incorrect</source>
         <translation>Captcha is incorrect</translation>
     </message>
     <message>
-        <location filename="../ofdscene.cpp" line="123"/>
+        <location filename="../ofdscene.cpp" line="157"/>
         <source>Internal server error. Please, try again later.</source>
         <translation>Internal server error. Please, try again later.</translation>
     </message>
     <message>
-        <location filename="../ofdscene.cpp" line="125"/>
+        <location filename="../ofdscene.cpp" line="159"/>
         <source>Internal server error</source>
         <translation>Internal server error</translation>
     </message>
     <message>
-        <location filename="../ofdscene.cpp" line="130"/>
+        <location filename="../ofdscene.cpp" line="164"/>
         <source>Check not found. Please, ensure correctness of entered data.</source>
         <translation>Check not found. Please, ensure correctness of entered data.</translation>
     </message>
     <message>
-        <location filename="../ofdscene.cpp" line="132"/>
+        <location filename="../ofdscene.cpp" line="166"/>
         <source>Check was not found</source>
         <translation>Check was not found</translation>
     </message>
+    <message>
+        <location filename="../ofdscene.cpp" line="198"/>
+        <source>QR code for binaryeye to connect</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../ofdscene.cpp" line="199"/>
+        <source>I&apos;ve scanned</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>123 123</source>
+        <translation type="obsolete">123 123</translation>
+    </message>
 </context>
 <context>
     <name>OutputDialog</name>

translations/ru_RU.ts

@@ -367,50 +367,74 @@
         <translation>Парсить</translation>
     </message>
     <message>
-        <location filename="../ofdscene.cpp" line="49"/>
+        <location filename="../ofdscene.cpp" line="205"/>
+        <source>Could not start http server. 10 times in a row random port was occupied. Either you should run for a lottery ticket, or the problem is in the program. If the lottery ticket wasn&apos;t lucky, please, contact the developer.</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../ofdscene.cpp" line="207"/>
+        <source>Could not start http server.</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../ofdscene.cpp" line="84"/>
         <source>Please, select a picture where QR code that contains info about check is present</source>
         <translation>Пожалуйста, выберете изображение, содержащее QR код с информацией о чеке</translation>
     </message>
     <message>
-        <location filename="../ofdscene.cpp" line="51"/>
+        <location filename="../ofdscene.cpp" line="86"/>
         <source>Picture was not selected</source>
         <translation>Изображение не было выбрано</translation>
     </message>
     <message>
-        <location filename="../ofdscene.cpp" line="57"/>
+        <location filename="../ofdscene.cpp" line="91"/>
         <source>Selected image: </source>
         <translation>Выбранное изображение: </translation>
     </message>
     <message>
-        <location filename="../ofdscene.cpp" line="116"/>
+        <location filename="../ofdscene.cpp" line="150"/>
         <source>Captcha was not solved correctly!</source>
         <translation>Капча была решена неверно!</translation>
     </message>
     <message>
-        <location filename="../ofdscene.cpp" line="118"/>
+        <location filename="../ofdscene.cpp" line="152"/>
         <source>Captcha is incorrect</source>
         <translation>Капча введена неверно</translation>
     </message>
     <message>
-        <location filename="../ofdscene.cpp" line="123"/>
+        <location filename="../ofdscene.cpp" line="157"/>
         <source>Internal server error. Please, try again later.</source>
         <translation>Внутренняя ошибка сервера. Пожалуйста, попробуйте снова позже.</translation>
     </message>
     <message>
-        <location filename="../ofdscene.cpp" line="125"/>
+        <location filename="../ofdscene.cpp" line="159"/>
         <source>Internal server error</source>
         <translation>Внутренняя ошибка сервера</translation>
     </message>
     <message>
-        <location filename="../ofdscene.cpp" line="130"/>
+        <location filename="../ofdscene.cpp" line="164"/>
         <source>Check not found. Please, ensure correctness of entered data.</source>
         <translation>Чек не найден. Пожалуйста, убедитесь в правильности введённых данных.</translation>
     </message>
     <message>
-        <location filename="../ofdscene.cpp" line="132"/>
+        <location filename="../ofdscene.cpp" line="166"/>
         <source>Check was not found</source>
         <translation>Чек не найден</translation>
     </message>
+    <message>
+        <location filename="../ofdscene.cpp" line="198"/>
+        <source>QR code for binaryeye to connect</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../ofdscene.cpp" line="199"/>
+        <source>I&apos;ve scanned</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>123 123</source>
+        <translation type="obsolete">123 123</translation>
+    </message>
 </context>
 <context>
     <name>OutputDialog</name>

utils/utils.cpp

@@ -5,6 +5,10 @@
 #include <cstring>
 #include <iostream>
 #include <locale>
+#include <opencv2/core/mat.hpp>
+#include <opencv2/imgcodecs.hpp>
+#include <opencv2/imgproc.hpp>
+#include <qrencode.h>
 #include <regex>
 #include <string>
 #include "../exceptions/ofdrequestexception.h"
@@ -13,6 +17,7 @@
 #include <fstream>
 #include <ifaddrs.h>
 #include <netinet/in.h>
+#include <opencv2/opencv.hpp>
 
 std::string get_local_ip_address() {
     struct ifaddrs * ifAddrStruct=NULL;
@@ -214,3 +219,28 @@ Check parseOfdRuAnswer(std::string html) {
 
     return c;
 }
+
+void generate_qr_code(std::string data) {
+    QRcode *qrCode = QRcode_encodeString(data.c_str(), 2, QR_ECLEVEL_L, QR_MODE_8,  1);
+    if (qrCode == NULL) {
+        std::cerr << "Error on generating qr code" << std::endl;
+    }
+
+    cv::Mat qrCodeImage = cv::Mat::zeros(qrCode->width, qrCode->width, CV_8UC3);
+
+    for (int y = 0; y < qrCode->width; y++) {
+        for (int x = 0; x < qrCode->width; x++) {
+            cv::rectangle(
+                qrCodeImage,
+                cv::Point(x, y),
+                cv::Point(x + 1, y + 1),
+                ((qrCode->data[y * qrCode->width + x] & 1) ?
+                     cv::Scalar(255., 255., 255.) : cv::Scalar(0., 0., 0.)
+                ),
+                -1
+            );
+        }
+    }
+    cv::imwrite(get_path_relative_to_home(".local/share/checks_parser/binaryeye_connection.png"), qrCodeImage);
+    QRcode_free(qrCode);
+}

utils/utils.h

@@ -20,4 +20,6 @@ Check parseOfdRuAnswer(std::string);
 
 std::wstring trim_html_response(std::wstring& check);
 
+void generate_qr_code(std::string data);
+
 #endif // UTILS_H