From f5f82a76375bb07366f9246e15d565224e84af72 Mon Sep 17 00:00:00 2001
From: Marcel Klehr <marcel.klehr@gmx.de>
Date: Wed, 29 Feb 2012 14:21:35 +0100
Subject: [PATCH] Rework dynamic text contrast

-Remove hard coding of default text color
-add dynamic link text contrast
---
 static/js/ace2_inner.js | 30 +++++++++++++++++++++++-------
 1 file changed, 23 insertions(+), 7 deletions(-)

diff --git a/static/js/ace2_inner.js b/static/js/ace2_inner.js
index 71f7d20f8bf..17d02036ff5 100644
--- a/static/js/ace2_inner.js
+++ b/static/js/ace2_inner.js
@@ -229,18 +229,34 @@ function Ace2Inner(){
             bgcolor = fadeColor(bgcolor, info.fade);
           }
           
-          // Text color
-          var txtcolor = (colorutils.luminosity(colorutils.css2triple(bgcolor)) < 0.5) ? '#ffffff' : '#000000';
-          
           var authorStyle = dynamicCSS.selectorStyle(getAuthorColorClassSelector(
           getAuthorClassName(author)));
-          authorStyle.backgroundColor = bgcolor;
-          authorStyle.color = txtcolor;
-          
           var authorStyleTop = dynamicCSSTop.selectorStyle(getAuthorColorClassSelector(
           getAuthorClassName(author)));
+          var anchorStyle = dynamicCSS.selectorStyle(getAuthorColorClassSelector(
+          getAuthorClassName(author))+' > a')
+          
+          // author color
+          authorStyle.backgroundColor = bgcolor;
           authorStyleTop.backgroundColor = bgcolor;
-          authorStyleTop.color = txtcolor;
+          
+          // text contrast
+          if(colorutils.luminosity(colorutils.css2triple(bgcolor)) < 0.5)
+          {
+            authorStyle.color = '#ffffff';
+            authorStyleTop.color = '#ffffff';
+          }else{
+            authorStyle.color = null;
+            authorStyleTop.color = null;
+          }
+          
+          // anchor text contrast
+          if(colorutils.luminosity(colorutils.css2triple(bgcolor)) < 0.55)
+          {
+            anchorStyle.color = colorutils.triple2css(colorutils.complementary(colorutils.css2triple(bgcolor)));
+          }else{
+            anchorStyle.color = null;
+          }
         }
       }
     }