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fixed an issue preventing QR codes from being scanned

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This commit is contained in:
Stevyn Pompelio 2019-08-13 12:50:31 -04:00
parent 897526702f
commit bbde505d8c
1 changed files with 3 additions and 3 deletions
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6
src/QZXingFilter.cpp
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@ -19,9 +19,9 @@ namespace {
const int D = int(U) - 128; const int D = int(U) - 128;
const int E = int(V) - 128; const int E = int(V) - 128;
return gray( return gray(
qBound<uchar>(0, uchar((298 * C + 409 * E + 128) >> 8), 255), qBound(0, ((298 * C + 409 * E + 128) >> 8), 255),
qBound<uchar>(0, uchar((298 * C - 100 * D - 208 * E + 128) >> 8), 255), qBound(0, ((298 * C - 100 * D - 208 * E + 128) >> 8), 255),
qBound<uchar>(0, uchar((298 * C + 516 * D + 128) >> 8), 255) qBound(0, ((298 * C + 516 * D + 128) >> 8), 255)
); );
} }