File indexing completed on 2025-03-23 12:43:50

 /*
     SPDX-FileCopyrightText: 2014 Alex Merry <alex.merry@kdemail.net>
 
     SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
 */
 
 template<class Trait>
 static bool fuzzyeq(const QImage &im1, const QImage &im2, uchar fuzziness)
 {
     Q_ASSERT(im1.format() == im2.format());
     Q_ASSERT(im1.depth() == 24 || im1.depth() == 32 || im1.depth() == 64);
 
     const int height = im1.height();
     const int width = im1.width();
     for (int i = 0; i < height; ++i) {
         const Trait *line1 = reinterpret_cast<const Trait *>(im1.scanLine(i));
         const Trait *line2 = reinterpret_cast<const Trait *>(im2.scanLine(i));
         for (int j = 0; j < width; ++j) {
             if (line1[j] > line2[j]) {
                 if (line1[j] - line2[j] > fuzziness) {
                     return false;
                 }
             } else {
                 if (line2[j] - line1[j] > fuzziness) {
                     return false;
                 }
             }
         }
     }
     return true;
 }
 
 // allow each byte to be different by up to 1, to allow for rounding errors
 static bool fuzzyeq(const QImage &im1, const QImage &im2, uchar fuzziness)
 {
     return (im1.depth() == 64) ? fuzzyeq<quint16>(im1, im2, fuzziness) : fuzzyeq<quint8>(im1, im2, fuzziness);
 }