Mercurial > hg > digilib

changeset 1059:1bc44bd91b36

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made contrast slider perview look like contrast action.
author robcast
date Fri, 13 Apr 2012 18:41:47 +0200
parents 41774616bb35
children 46e5e640de47
files webapp/src/main/webapp/jquery/jquery.digilib.sliders.js
diffstat 1 files changed, 2 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/webapp/src/main/webapp/jquery/jquery.digilib.sliders.js	Fri Apr 13 18:16:59 2012 +0200
+++ b/webapp/src/main/webapp/jquery/jquery.digilib.sliders.js	Fri Apr 13 18:41:47 2012 +0200
@@ -126,7 +126,8 @@
             var $td = $ind.find('table.'+cls+'indicator td');
             var setBgColor = function (index) {
                 var val = index * 32;
-                var grey = Math.min(Math.max(Math.round(Math.pow(2, cont) * val), 0), 255);
+                var m = Math.pow(2, cont);
+                var grey = Math.min(Math.max(Math.round(m * val + (127 - 127 * m)), 0), 255);
                 $(this).css('background-color', 'rgb('+grey+','+grey+','+grey+')');
                 };
             $td.each(setBgColor);