tilde-oauth/fittext.js

/*!	
* FitText.js 1.0 jQuery free version
*
* Copyright 2011, Dave Rupert http://daverupert.com 
* Released under the WTFPL license 
* http://sam.zoy.org/wtfpl/
* Modified by Slawomir Kolodziej http://slawekk.info
*
* Date: Tue Aug 09 2011 10:45:54 GMT+0200 (CEST)
*/
(function(){

    var addEvent = function (el, type, fn) {
      if (el.addEventListener)
        el.addEventListener(type, fn, false);
          else
              el.attachEvent('on'+type, fn);
    };
    
    var extend = function(obj,ext){
      for(var key in ext)
        if(ext.hasOwnProperty(key))
          obj[key] = ext[key];
      return obj;
    };
  
    window.fitText = function (el, kompressor, options) {
  
      var settings = extend({
        'minFontSize' : -1/0,
        'maxFontSize' : 1/0
      },options);
  
      var fit = function (el) {
        var compressor = kompressor || 1;
  
        var resizer = function () {
          el.style.fontSize = Math.max(Math.min(el.clientWidth / (compressor*10.5), parseFloat(settings.maxFontSize)), parseFloat(settings.minFontSize)) + 'px';
        };
  
        // Call once to set.
        resizer();
  
        // Bind events
        // If you have any js library which support Events, replace this part
        // and remove addEvent function (or use original jQuery version)
        addEvent(window, 'resize', resizer);
        addEvent(window, 'orientationchange', resizer);
      };
  
      if (el.length)
        for(var i=0; i<el.length; i++)
          fit(el[i]);
      else
        fit(el);
  
      // return set of elements
      return el;
    };
  })();