A jquery plugin that makes images truly responsive, without sacrificing anyone's face :D

When images are used in a responsive container on web design, because of the container can change to any width:height ratio, a group shot could end up being cut off on people's faces, a nice photograph following "rule of third" could end up with no object in view. Responsive images face the challenge of how to keep the focused objects/area in view, this jquery plugin is here to solve the problem.

• responsify.js
• responsify.min.js

https://responsifyjs.wentin.net/

https://responsifyjs.wentin.net/app

Use this interactive web app to generate the focus area data

Responsify.js does the following:

1. It allows you define a focus area on an image using data-focus-xxx tag
2. It takes in the focus area data from the image, calcuate the image's container's size, resize and position the image accordingly, make sure the focus area is always in view and in the best position possible.

• Responsive image with responsify.js

play it yourself

• Responsive image without responsify.js

play it yourself

1. Use this interactive web app to generate the focus area data http://responsifyjs.space/app/

   <img src="image.png" alt="" 
   data-focus-left=".30" data-focus-top=".12" data-focus-right=".79" data-focus-bottom=".66" />

data-focus-left is the focus area's left position comparing to the image's full width, in decimal. For example, if the full width is 300px, the focus area's left is 90, then the data-focus-left should be 90/300 = 0.3. Same logic applies to other three data attributes.

2. Embed the responsify.js in the html

   <script src="responsify.js"></script>

3. Call responsify function when window object is loaded

   $(window).load(function() {
     $('img').responsify();
   });

4. Call responsify function again when the window is being resized (optional)

  $(window).resize(function(){
    $('img').responsify();
  })

###Contact Me

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• Email zhangwenting111@gmail.com

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