From a74f3615ac810384841c94de82d0569d7e85be25 Mon Sep 17 00:00:00 2001
From: Andreas Kling <awesomekling@gmail.com>
Date: Wed, 10 Apr 2019 16:00:29 +0200
Subject: [PATCH] Color: Add to_grayscale() and darkened() helpers.

---
 SharedGraphics/Color.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/SharedGraphics/Color.h b/SharedGraphics/Color.h
index dd075e3c7c..7fc72969ca 100644
--- a/SharedGraphics/Color.h
+++ b/SharedGraphics/Color.h
@@ -72,6 +72,17 @@ public:
         return Color(r, g, b, a);
     }
 
+    Color to_grayscale() const
+    {
+        int gray = (red() + green() + blue()) / 3;
+        return Color(gray, gray, gray, alpha());
+    }
+
+    Color darkened() const
+    {
+        return Color(red() * 0.8, green() * 0.8, blue() * 0.8, alpha());
+    }
+
     RGBA32 value() const { return m_value; }
 
     String to_string() const;