Berk Demirkır
112 lines
4.5 KiB
C++
112 lines
4.5 KiB
C++
/*
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* Copyright (c) 2023 Alex Spataru <https://github.com/alex-spataru>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#pragma once
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#include <QImage>
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#include <QObject>
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#include <QString>
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#include "qrcodegen/qrcodegen.h"
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/**
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* @class QrCodeGenerator
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* @brief The QrCodeGenerator class is a simple C++ class that uses the
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* qrcodegen library to generate QR codes from QStrings in Qt applications.
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*/
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class QrCodeGenerator : public QObject
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{
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public:
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/**
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* @brief Constructs a QrCodeGenerator object.
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* @param parent The parent QObject.
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*/
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explicit QrCodeGenerator(QObject *parent = nullptr);
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/**
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* @brief Generates a QR code from the given data and error correction level.
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* @param data The QString containing the data to encode in the QR code.
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* @param size The desired width/height of the generated image (default: 500).
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* @param borderSize The desired border width of the generated image (default:
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* 1).
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* @param errorCorrection The desired error correction level (default:
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* qrcodegen::QrCode::Ecc::MEDIUM).
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*
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* @return QImage containing the generated QR code.
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*/
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QImage generateQr(const QString &data, const quint16 size = 1000,
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const quint16 borderSize = 1,
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qrcodegen::QrCode::Ecc errorCorrection
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= qrcodegen::QrCode::Ecc::MEDIUM);
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/**
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* @brief Generates a QR code from the given data and error correction level.
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* @param data The QByteArray containing the data to encode in the QR code.
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* @param size The desired width/height of the generated image (default: 500).
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* @param borderSize The desired border width of the generated image (default:
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* 1).
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* @param errorCorrection The desired error correction level (default:
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* qrcodegen::QrCode::Ecc::MEDIUM).
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*
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* @return QImage containing the generated QR code.
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*/
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QImage generateQr(const QByteArray &data, const quint16 size = 1000,
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const quint16 borderSize = 1,
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qrcodegen::QrCode::Ecc errorCorrection
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= qrcodegen::QrCode::Ecc::MEDIUM);
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/**
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* @brief Generates a QR code from the given data and error correction level.
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* @param data The QString containing the data to encode in the QR code.
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* @param borderSize The desired border width of the generated image (default:
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* 1).
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* @param errorCorrection The desired error correction level (default:
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* qrcodegen::QrCode::Ecc::MEDIUM).
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*
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* @return QString string containing the generated QR code in SVG format.
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*/
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QString generateSvgQr(const QString &data, const quint16 borderSize = 1,
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qrcodegen::QrCode::Ecc errorCorrection
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= qrcodegen::QrCode::Ecc::MEDIUM);
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private:
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/**
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* @brief Converts a qrcodegen::QrCode object to a SVG image.
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* @param qrCode The qrcodegen::QrCode object to convert.
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* @param border The desired border width of the generated image (default: 1).
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*
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* @return SVG containing the QR code.
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*/
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QString toSvgString(const qrcodegen::QrCode &qr, quint16 border) const;
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/**
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* @brief Converts a qrcodegen::QrCode object to a QImage.
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* @param qrCode The qrcodegen::QrCode object to convert.
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* @param size The desired width/height of the generated image.
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* @param borderSize The desired border width of the generated image.
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*
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* @return QImage containing the QR code.
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*/
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QImage qrCodeToImage(const qrcodegen::QrCode &qrCode, quint16 border,
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const quint16 size) const;
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};
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