File indexing completed on 2024-05-19 04:24:48

 /*
  *  SPDX-FileCopyrightText: 2023 Wolthera van Hövell tot Westerflier <griffinvalley@gmail.com>
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
  */
 #include "KoClipMaskApplicatorBase.h"
 
 void KoClipMaskApplicatorBase::fallbackLuminanceMask(quint8 *pixels, quint8 *maskPixels, const int nPixels) const{
     const quint32 colorChannelsMask = 0x00FFFFFF;
     const float redLum = 0.2125f;
     const float greenLum = 0.7154f;
     const float blueLum = 0.0721f;
     const float normCoeff = 1.0f / 255.0f;
 
     const QRgb *mP = reinterpret_cast<const QRgb*>(maskPixels);
     QRgb *sP = reinterpret_cast<QRgb*>(pixels);
 
     for (int i = 0; i < nPixels; i++) {
         const QRgb mask = *mP;
         const QRgb shape = *sP;
 
         const float maskValue = qAlpha(mask) * (redLum * qRed(mask) + greenLum * qGreen(mask) + blueLum * qBlue(mask)) * normCoeff;
 
         const quint8 alpha = OptiRound<xsimd::generic, quint8>::roundScalar(maskValue * float(qAlpha(shape) * normCoeff));
 
         *sP = (alpha << 24) | (shape & colorChannelsMask);
 
         sP++;
         mP++;
     }
 }