ng-image-appear 
AngularJS Module to make images appear with transition as they load.
Wraps the
imgtag within a wrapper and adds a gif loader in between. No more ugly-looking progressively loading images!
http://arunmichaeldsouza.github.io/ng-image-appear/
Demo on CodePen
This project has also been ported to ReactJS - react-image-appear.
Installation
CDN
Use ng-image-appear directly from jsdelivr CDN
https://cdn.jsdelivr.net/npm/[email protected]/dist/ng-image-appear.min.jsvia bower
You can install the package using bower. Make sure you have bower installed, then run :
bower install ng-image-appearvia npm
npm install ng-image-appearOr, download the latest version and include ng-image-appear.min.js to your project.
Add ngImageAppear as a dependency in your angular app module.
Usage
Include the directive with an img tag in your HTML file with any of the available options.
Include the src and the ng-image-appear directive as an attribute.
Example -
var myApp = angular.module('myApp', ['ngImageAppear']);
myApp.controller('appCtrl', ['$scope', function($scope) {
}]);<img
src="https://newevolutiondesigns.com/images/freebies/tropical-beach-background-8.jpg"
ng-image-appear
responsive
transition-duration="1s"
animation="fillIn"
animation-duration="1s"
easing="ease-out"
/> Options
transition-duration
This parameter specifies the transition duration for the image to appear. Default value is 700ms.
Example -
<img
src="https://newevolutiondesigns.com/images/freebies/tropical-beach-background-8.jpg"
ng-image-appear
transition-duration="4s"
/> bg-color
Adds a background color to the image wrapper element.
Example -
<img
src="https://newevolutiondesigns.com/images/freebies/tropical-beach-background-8.jpg"
ng-image-appear
bg-color="#50a4e2"
/> 
no-loader
If this option is specified, then no gif loader is shown in the image wrapper element.
Example -
<img
src="https://newevolutiondesigns.com/images/freebies/tropical-beach-background-8.jpg"
ng-image-appear
no-loader
/> 
responsive
Use this option to make the image wrapper responsive. In that case the width of the wrapper is calculated in %, otherwise it is calculated in px.
Example -
<img
src="https://newevolutiondesigns.com/images/freebies/tropical-beach-background-8.jpg"
ng-image-appear
responsive
/> 
placeholder
Adds a default placeholder in the image wrapper background.
Example -
<img
src="https://newevolutiondesigns.com/images/freebies/tropical-beach-background-8.jpg"
ng-image-appear
placeholder
/> 
You can override the default placeholder background and add your own by passing an image link to this option.
Example -
<img
src="https://newevolutiondesigns.com/images/freebies/tropical-beach-background-8.jpg"
ng-image-appear
placeholder="http://getuikit.com/docs/images/placeholder_600x400.svg"
/> 
placeholder-class
Use this option to add a CSS class to the placeholder background.
Example -
<style>
.placeholder-css {
background-size: contain;
}
</style>
<img
src="https://newevolutiondesigns.com/images/freebies/tropical-beach-background-8.jpg"
ng-image-appear
placeholder
placeholder-class="placeholder-css"
/> placeholder-style
Add CSS styles to the placeholder background using this option.
Example -
<img
src="https://newevolutiondesigns.com/images/freebies/tropical-beach-background-8.jpg"
ng-image-appear
placeholder
placeholder-style="background-size: contain;"
/> loader-img
Add a custom gif loader in the image wrapper. Default width and height of the loader is 40px. The image must be a gif.
Example -
<img
src="https://newevolutiondesigns.com/images/freebies/tropical-beach-background-8.jpg"
ng-image-appear
loader-img="https://cache.dominos.com/nolo/ca/en/010048/assets/build/images/img/spinner.gif"
/> 
loader-class
Use this option to add a CSS class to the loader element.
Example -
<style>
.loader-css {
width: 60px;
height: 60px;
left: calc((100% - 60px) / 2);
top: calc((100% - 60px) / 2);
}
</style>
<img
src="https://newevolutiondesigns.com/images/freebies/tropical-beach-background-8.jpg"
ng-image-appear
loader-class="loader-css"
/> loader-style
Add CSS styles to the loader element using this option.
Example -
<img
src="https://newevolutiondesigns.com/images/freebies/tropical-beach-background-8.jpg"
ng-image-appear
loader-styles="width: 60px; height: 60px; left: calc((100% - 60px) / 2); top: calc((100% - 60px) / 2);"
/> animation
Add a CSS3 powered animation to the image as it appears. Default animation is fadeIn.
Example -
<img
src="https://newevolutiondesigns.com/images/freebies/tropical-beach-background-8.jpg"
ng-image-appear
animation="bounceIn"
/> 
ng-image-appear has the following built-in CSS3 animations -
fadeIn (default)
fadeInUp
fadeInRight
fadeInDown
fadeInLeft
bounceIn
bounceInUp
bounceInRight
bounceInDown
bounceInLeft
flipInX
flipInY
zoomIn
blurIn
blurInUp
blurInRight
blurInDown
blurInLeft
fillIn
animation-duration
This parameter specifies the animation duration for the image to appear. Default value is 700ms.
Example -
<img
src="https://newevolutiondesigns.com/images/freebies/tropical-beach-background-8.jpg"
ng-image-appear
animation="fillIn"
animation-duration="2s"
/> easing
Specifies the timing-function for the CSS3 powered transition/animation. Default value is ease-in-out.
Example -
<img
src="https://newevolutiondesigns.com/images/freebies/tropical-beach-background-8.jpg"
ng-image-appear
animation="bounceIn"
easing="ease-out"
/> Contributors
 Arun Michael Dsouza |
 Travis Vignon |
 Lukas Drgon |
|---|
Support
If you'd like to help support the development of the project, please consider backing me on Patreon -
License
MIT Licensed
Copyright (c) 2016 Arun Michael Dsouza ([email protected])
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.