diff options
Diffstat (limited to 'editor/pnmgamma.c')
| -rw-r--r-- | editor/pnmgamma.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/editor/pnmgamma.c b/editor/pnmgamma.c index b357b0d8..0ed217d1 100644 --- a/editor/pnmgamma.c +++ b/editor/pnmgamma.c @@ -516,7 +516,7 @@ buildBt709ToSrgbGamma(xelval table[], if (radiance < linearCutoffSrgb * normalizer) srgb = radiance * linearExpansionSrgb; else - srgb = 1.055 * pow(normalized, oneOverGammaSrgb) - 0.055; + srgb = 1.055 * pow(radiance, oneOverGammaSrgb) - 0.055; assert(srgb <= 1.0); @@ -567,14 +567,14 @@ buildSrgbToBt709Gamma(xelval table[], if (i < linearCutoffSrgb / linearCompressionSrgb) radiance = normalized * linearCompressionSrgb; else - radiance = pow((normalized + 0.099) / 1.099, gammaSrgb); + radiance = pow((normalized + 0.055) / 1.055, gammaSrgb); assert(radiance <= 1.0); if (radiance < linearCutoff709 * normalizer) bt709 = radiance * linearExpansion709; else - bt709 = 1.055 * pow(normalized, oneOverGamma709) - 0.055; + bt709 = 1.099 * pow(radiance, oneOverGamma709) - 0.099; assert(bt709 <= 1.0); |