Mercurial > tiny-letterpress

changeset 24:9b6e278cdab5 default tip

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added a getPixelsPerInch() function.
author Atul Varma <avarma@mozilla.com>
date Wed, 05 May 2010 19:41:34 -0700
parents 166ced3119de
children
files index.html
diffstat 1 files changed, 7 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/index.html	Wed May 05 00:43:15 2010 -0700
+++ b/index.html	Wed May 05 19:41:34 2010 -0700
@@ -461,6 +461,13 @@
 
 $(window).bind("resize", resize);
 
+function getPixelsPerInch(document) {
+  var css = document.implementation.createCSSStyleSheet("temp", "screen");
+  css.insertRule("body { font-size: 1in; }", 0);
+  var value = css.cssRules[0].style.getPropertyCSSValue("font-size");
+  return value.getFloatValue(value.CSS_PX);
+}
+
 $(window).bind("DOMContentLoaded", function() {
   resize();
   $("#letters .palette-container").each(addLetters);