diff options
Diffstat (limited to 'src/ipa/simple/algorithms/lut.cpp')
| -rw-r--r-- | src/ipa/simple/algorithms/lut.cpp | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/src/ipa/simple/algorithms/lut.cpp b/src/ipa/simple/algorithms/lut.cpp index a2e11d3b..83df71a9 100644 --- a/src/ipa/simple/algorithms/lut.cpp +++ b/src/ipa/simple/algorithms/lut.cpp @@ -103,16 +103,10 @@ void Lut::prepare(IPAContext &context, const double div = static_cast<double>(DebayerParams::kRGBLookupSize) / gammaTableSize; /* Apply gamma after gain! */ - unsigned int idx; - idx = std::min({ static_cast<unsigned int>(i * gains.red / div), - gammaTableSize - 1 }); - params->red[i] = gammaTable[idx]; - idx = std::min({ static_cast<unsigned int>(i * gains.green / div), - gammaTableSize - 1 }); - params->green[i] = gammaTable[idx]; - idx = std::min({ static_cast<unsigned int>(i * gains.blue / div), - gammaTableSize - 1 }); - params->blue[i] = gammaTable[idx]; + const RGB<double> lutGains = (gains * i / div).min(gammaTableSize - 1); + params->red[i] = gammaTable[static_cast<unsigned int>(lutGains.r())]; + params->green[i] = gammaTable[static_cast<unsigned int>(lutGains.g())]; + params->blue[i] = gammaTable[static_cast<unsigned int>(lutGains.b())]; } } |