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README.md

jQuery asGradient bower NPM version Dependency Status prs-welcome

A jquery plugin used to manipulate css image gradient. You can add a new color stop. Change the position of color stop. Or remove a color stop. In the end, it can output a formated standard css gradient string.

Table of contents

Main files

dist/
├── jquery-asGradient.js
├── jquery-asGradient.es.js
└── jquery-asGradient.min.js

Quick start

Several quick start options are available:

Download the latest build

Install From Bower

bower install jquery-asGradient --save

Install From Npm

npm install jquery-asGradient --save

Install From Yarn

yarn add jquery-asGradient

Build From Source

If you want build from source:

git clone git@github.com:amazingSurge/jquery-asGradient.git
cd jquery-asGradient
npm install
npm install -g gulp-cli babel-cli
gulp build

Done!

Requirements

jquery-asGradient requires the latest version of jQuery and jQuery-asColor.

Usage

Including files:

<script src="/path/to/jquery.js"></script>
<script src="/path/to/jquery-asColor.js"></script>
<script src="/path/to/jquery-asGradient.js"></script>

Initialization

All you need to do is call the plugin on the element:

var gradient = new AsGradient('linear-gradient(to rgba(0, 0, 0, 1), rgba(255, 255, 255, 1))', {
  cleanPosition: true,
  color: {
    format: 'rgba'
  }
});

Examples

There are some example usages that you can look at to get started. They can be found in the examples folder.

Options

jquery-asGradient can accept an options object to alter the way it behaves. You can see the default options by call $.asGradient.setDefaults(). The structure of an options object is as follows:

{
  prefixes: ['-webkit-', '-moz-', '-ms-', '-o-'],
  forceStandard: true,
  angleUseKeyword: true,
  emptyString: '',
  degradationFormat: false,
  cleanPosition: true,
  color: {
    format: false, // rgb, rgba, hsl, hsla, hex
    hexUseName: false,
    reduceAlpha: true,
    shortenHex: true,
    zeroAlphaAsTransparent: false,
    invalidValue: {
      r: 0,
      g: 0,
      b: 0,
      a: 1
    }
  }
}

Methods

var gradient = new AsGradient('linear-gradient(to bottom, yellow, blue)');

gradient.toString();

toString()

Get gradient string.

// Get standard string.
gradient.toString();

// Get string by prefix.
gradient.toString('-moz-');

fromString()

Set values from gradient string.

gradient.fromString('linear-gradient(to bottom, yellow 0%, blue 100%)');

getPrefixedStrings()

Get prefixed strings array.

gradient.getPrefixedStrings();

val()

Get or set gradient string.

// get gradient string
gradient.val();

// set gradient string
gradient.val('linear-gradient(to bottom, yellow 0%, blue 100%)');

angle()

Get or set angle.

// get gradient angle
gradient.angle();

// set gradient angle
gradient.angle(60);

append(color, position)

Append a new color stop.

gradient.append('#fff', '50%');

insert(color, position, index)

Insert a color stop to index

gradient.append('#fff', '50%', 1);

getCurrent()

Get current color stop.

var stop = gradient.getCurrent();

setCurrentById(id)

Set current color stop by id.

gradient.setCurrentById(2);

getById(id)

Get color stop by index.

var stop = gradient.get(2);

removeById(id)

Remove color stop by id.

gradient.removeById(2);

get(index)

Get color stop by index.

var stop = gradient.get(2);

remove(index)

Remove color stop by index.

gradient.remove(2);

empty()

Empty color stops.

gradient.empty();

reset()

Reset gradient.

gradient.reset();

No conflict

If you have to use other plugin with the same namespace, just call the $.asGradient.noConflict method to revert to it.

<script src="other-plugin.js"></script>
<script src="jquery-asGradient.js"></script>
<script>
  $.asGradient.noConflict();
  // Code that uses other plugin's "$().asGradient" can follow here.
</script>

Browser support

Tested on all major browsers.

Safari Chrome Firefox Edge IE Opera
Latest ✓ Latest ✓ Latest ✓ Latest ✓ 9-11 ✓ Latest ✓

As a jQuery plugin, you also need to see the jQuery Browser Support.

Contributing

Anyone and everyone is welcome to contribute. Please take a moment to review the guidelines for contributing. Make sure you're using the latest version of jquery-asGradient before submitting an issue. There are several ways to help out:

Development

jquery-asGradient is built modularly and uses Gulp as a build system to build its distributable files. To install the necessary dependencies for the build system, please run:

npm install -g gulp
npm install -g babel-cli
npm install

Then you can generate new distributable files from the sources, using:

gulp build

More gulp tasks can be found here.

Changelog

To see the list of recent changes, see Releases section.

Copyright and license

Copyright (C) 2016 amazingSurge.

Licensed under the LGPL license.

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