jquery.keep-ratio's Introduction

Keep Ratio

A jQuery plugin for keeping the aspect ratio

Example usage: http://loonkwil.github.io/jquery.keep-ratio/

Install

Requirements Bower

bower install keep-ratio --save

<!DOCTYPE html>
<html>
<head>
  <meta http-equiv="content-type" content="text/html; charset=utf-8">
</head>
<body>
  <div></div>

  <script src="bower_components/jquery/dist/jquery.min.js"></script>
  <!-- For older browsers (http://caniuse.com/#feat=requestanimationframe) -->
  <script src="bower_components/request-animation-frame/rAF.js"></script>
  <script src="bower_components/keep-ratio/dist/jquery.keep-ratio.min.js"></script>
  <script type="text/javascript">
    $(function() {
      $('div').keepRatio({ ratio: 4/3, calculate: 'width' });
    });
  </script>
</body>

How to make your own build

Requirements: NodeJs, Bower, Gulp

bower install
npm install
npm test
gulp dist or just gulp

jquery.keep-ratio's People

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jquery.keep-ratio's Issues

Event handlers are bound only to the currently selected elements ?!

First of all: Great job @loonkwil ! This is a nimble and elegant piece of work.
However, if I understand your code correctly, the functionality of this plugin could be extended to be even more valuable. This is because (from my understanding - correct me if I am wrong), the event handlers will not be automatically bound to new elements introduced to the DOM tree, which match original jQuery selectors used for keepRatio .

$(function() {

  $('<div>').addClass('foo').text('foo 1')
        .css('top', '100px').appendTo($('body'));

  $('.foo').keepRatio({
      ratio: 3/2,
      calculate: 'height'
  });

  // Apspect ratio will not be calculated for this one:
  $('<div>').addClass('foo').text('foo 2')
        .css('top', '300px').appendTo($('body'));
)}

What would be really neat, is if you could do something like this...

$('body').keepRatio('.foo',{
     ratio: 3/1.2,
     calculate: 'width'
});

...and / or simply...

$.keepRatio('.foo',{
     ratio: 3/1.2,
     calculate: 'width'
});

What do you think?

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