From 36ec8de04f2d470dfef43e7527e2ba261560f367 Mon Sep 17 00:00:00 2001
From: tophf <tophf@gmx.com>
Date: Tue, 5 Dec 2017 20:42:13 +0300
Subject: [PATCH] stop calc when color is opaque

---
 vendor-overwrites/colorpicker/colorpicker.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/vendor-overwrites/colorpicker/colorpicker.js b/vendor-overwrites/colorpicker/colorpicker.js
index f18e0c85..d52c1fec 100644
--- a/vendor-overwrites/colorpicker/colorpicker.js
+++ b/vendor-overwrites/colorpicker/colorpicker.js
@@ -940,6 +940,9 @@
       realColor.g = Math.round(g * q1 + realColor.g * q2);
       realColor.b = Math.round(b * q1 + realColor.b * q2);
       realColor.a = mixedA;
+      if (Math.abs(realColor.a - 1) < 1e-3) {
+        break;
+      }
     }
     // https://www.w3.org/TR/AERT#color-contrast
     const {r, g, b} = realColor;