Reduce saturation in backlight (#651)

Former-commit-id: c2c4fd6f957c3623e03c37393cf3c03a7a27dc1e
2016-05-24 22:15:39 +02:00 · 2016-05-24 22:15:39 +02:00 · 45dff6d1d3
parent 06afe06774
commit 45dff6d1d3
1 changed files with 3 additions and 0 deletions
--- a/libsrc/utils/HslTransform.cpp
+++ b/libsrc/utils/HslTransform.cpp
@ -66,7 +66,10 @@ void HslTransform::transform(uint8_t & red, uint8_t & green, uint8_t & blue) con

 		float l = luminance * _luminanceGain;
 		if (l < _luminanceMinimum)
+		{
+			saturation *= l/_luminanceMinimum;
 			l = _luminanceMinimum;
+		}
 		if (l > 1.0f)
 			luminance = 1.0f;
 		else