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Fix wrong computation of black levels (in some cases) in RawImage::get_colorsCoeff

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Was happening e.g. with compressed DNG files
This commit is contained in:
Alberto Griggio
2017-04-06 09:00:53 +02:00
parent 30a31cfc73
commit 6dfe6f95b8
1 changed files with 4 additions and 1 deletions
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5
rtengine/rawimage.cc
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@@ -98,7 +98,10 @@ void RawImage::get_colorsCoeff( float *pre_mul_, float *scale_mul_, float *cblac
}
} else if ((this->get_cblack(4) + 1) / 2 == 1 && (this->get_cblack(5) + 1) / 2 == 1) {
for (int c = 0; c < 4; c++) {
cblack_[FC(c / 2, c % 2)] = this->get_cblack(6 + c / 2 % this->get_cblack(4) * this->get_cblack(5) + c % 2 % this->get_cblack(5));
cblack_[c] = this->get_cblack(c);
}
for (int c = 0; c < 4; c++) {
cblack_[FC(c / 2, c % 2)] += this->get_cblack(6 + c / 2 % this->get_cblack(4) * this->get_cblack(5) + c % 2 % this->get_cblack(5));
pre_mul_[c] = this->get_pre_mul(c);
}
} else {