File indexing completed on 2024-05-12 04:01:32

 /*
     SPDX-FileCopyrightText: 2021 Volker Krause <vkrause@kde.org>
     SPDX-License-Identifier: MIT
 */
 
 #include "zxingutil_p.h"
 
 #include <QImage>
 #include <QVariant>
 
 #include <ZXing/BitMatrix.h>
 
 using namespace Prison;
 
 std::wstring ZXingUtil::toStdWString(const QVariant &data)
 {
     if (data.userType() == QMetaType::QString) {
         return data.toString().toStdWString();
     }
     if (data.userType() == QMetaType::QByteArray) {
         const auto b = data.toByteArray();
         std::wstring ws;
         ws.reserve(b.size());
         // ensure we explicitly copy unsigned bytes here, ie. each byte ends up in the least significant byte of
         // the std::wstring. If we end up converting to a signed value inbetween, values > 127 end up negative and
         // will be wrongly represented in the std::wstring
         for (uint8_t c : b) {
             ws.push_back(c);
         }
         return ws;
     }
 
     return {};
 }
 
 QImage ZXingUtil::toImage(const ZXing::BitMatrix &matrix, const QColor &foreground, const QColor &background)
 {
     QImage image(matrix.width(), matrix.height(), QImage::Format_ARGB32);
     for (int y = 0; y < matrix.height(); ++y) {
         for (int x = 0; x < matrix.width(); ++x) {
             image.setPixel(x, y, matrix.get(x, y) ? foreground.rgb() : background.rgb());
         }
     }
     return image;
 }