From 8b55c9567a8d38ef1726d342271dfd80e7f6c737 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Thu, 25 Apr 2019 14:08:36 +0200
Subject: [PATCH] Letter text color

---
 app/src/main/java/eu/faircode/email/Identicon.java | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/app/src/main/java/eu/faircode/email/Identicon.java b/app/src/main/java/eu/faircode/email/Identicon.java
index a5247567ef..39c72a6620 100644
--- a/app/src/main/java/eu/faircode/email/Identicon.java
+++ b/app/src/main/java/eu/faircode/email/Identicon.java
@@ -69,12 +69,10 @@ class Identicon {
         Canvas canvas = new Canvas(bitmap);
         canvas.drawColor(color);
 
+        float y = (299 * Color.red(color) + 587 * Color.green(color) + 114 * Color.blue(color)) / 1000f;
+
         Paint paint = new Paint();
-        paint.setColor(Color.argb(
-                Color.alpha(color),
-                (~Color.red(color)) & 0xff,
-                (~Color.green(color)) & 0xff,
-                (~Color.blue(color)) & 0xff));
+        paint.setColor(y < 128 ? Color.WHITE : Color.BLACK);
         paint.setTextSize(size / 2f);
         paint.setFakeBoldText(true);