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Merge pull request #7375 from Lawrence37/libraw-pre-mul-fix

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Fix for some images being too bright when using LibRaw
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Lawrence37 2025-05-03 11:29:15 -07:00 committed by GitHub
commit 1ed9f3787d
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rtengine/rawimage.cc
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@ -859,6 +859,16 @@ int RawImage::loadRaw(bool loadData, unsigned int imageNum, bool closeFile, Prog
RT_blacklevel_from_constant = ThreeValBool::F;
RT_whitelevel_from_constant = ThreeValBool::F;
if (get_colors() < 4 && get_pre_mul(3) > 0.f) {
if (get_pre_mul(1) != get_pre_mul(3)) {
printf("Warning: Number of colors is less than 4, but pre-multiplier for color 4 is set and different from pre-multiplier for color 1\n");
} else {
// This will be calculated later. adobe_coeff() does not
// handle pre-multipliers beyond the number of colors.
pre_mul[3] = 0;
}
}
adobe_coeff(make, model);
RT_blacklevel_from_constant = bl;