Index: Source/core/platform/graphics/Color.cpp |
diff --git a/Source/core/platform/graphics/Color.cpp b/Source/core/platform/graphics/Color.cpp |
index c6bdeb25cdf5afa5f9bd920d10fa0de997b963a3..53b4c115134e714c642643f8bd0d1b7514272beb 100644 |
--- a/Source/core/platform/graphics/Color.cpp |
+++ b/Source/core/platform/graphics/Color.cpp |
@@ -414,6 +414,14 @@ void Color::getHSL(double& hue, double& saturation, double& lightness) const |
saturation = ((max - min) / (2.0 - (max + min))); |
} |
+double Color::lightness() const |
+{ |
+ double hue, saturation, lightness; |
+ getHSL(hue, saturation, lightness); |
+ |
+ return lightness; |
+} |
+ |
Color colorFromPremultipliedARGB(RGBA32 pixelColor) |
{ |
int alpha = alphaChannel(pixelColor); |