Dim (#312)

2019-12-04 13:09:26 -08:00
parent d71ad7a1fa
commit 2f63405c5c
5 changed files with 29 additions and 0 deletions
@@ -163,6 +163,12 @@ uint8_t RgbColor::CalculateBrightness() const
 	return (uint8_t)(((uint16_t)R + (uint16_t)G + (uint16_t)B) / 3);
 }

+RgbColor RgbColor::Dim(uint8_t ratio) const
+{
+    // specifically avoids float math
+    return RgbColor(R * ratio / 255, G * ratio / 255, B * ratio / 255);
+}
+
 void RgbColor::Darken(uint8_t delta)
 {
 	if (R > delta)