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fabric.Image.filters.Brightness.html
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fabric.Image.filters.Brightness.html
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---
layout: doc
title: Fabric.js API Reference - fabric.Image.filters.Brightness
---
<style>
/* default.css */
#bd-wrapper {
font: 13px "Open Sans", Arial, Helvetica, sans-serif;
}
.header {
clear: both;
background-color: #ccc;
padding: 8px;
}
h1 {
font-size: 150%;
font-weight: bold;
padding: 0;
margin: 1em 0 0 .3em;
}
hr {
border: none 0;
border-top: 1px solid #7F8FB1;
height: 1px;
}
pre.code {
display: block;
padding: 8px;
border: 1px dashed #ccc;
}
#index {
margin-top: 24px;
float: left;
width: 260px;
position: absolute;
left: 8px;
background-color: #F3F3F3;
padding: 8px;
}
#content {
margin-left: 290px;
width: 770px;
}
.classList {
list-style-type: none;
padding: 0;
margin: 0 0 0 8px;
font-size: 1em;
overflow: auto;
}
.classList li {
paddinging: 0;
margin: 0 0 8px 0;
}
.summaryTable {
width: 100%;
}
h1.classTitle {
font-size:170%;
line-height:130%;
}
h2 { font-size: 110%; }
caption, div.sectionTitle {
background: #cecece; /* Old browsers */
background: -moz-linear-gradient(top, #cecece 0%, #8c8c8c 100%); /* FF3.6+ */
background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#cecece), color-stop(100%,#8c8c8c)); /* Chrome,Safari4+ */
background: -webkit-linear-gradient(top, #cecece 0%,#8c8c8c 100%); /* Chrome10+,Safari5.1+ */
background: -o-linear-gradient(top, #cecece 0%,#8c8c8c 100%); /* Opera 11.10+ */
background: -ms-linear-gradient(top, #cecece 0%,#8c8c8c 100%); /* IE10+ */
background: linear-gradient(to bottom, #cecece 0%,#8c8c8c 100%); /* W3C */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#cecece', endColorstr='#8c8c8c',GradientType=0 ); /* IE6-9 */
color: #fff;
font-size:130%;
text-align: left;
padding: 2px 6px 2px 6px;
}
div.sectionTitle {
margin-bottom: 8px;
}
.summaryTable thead {
display: none;
}
.summaryTable td {
vertical-align: top;
padding: 4px;
border-bottom: 1px #C0C8D8 solid;
border-right: 1px #C0C8D8 solid;
}
/*col#summaryAttributes {}*/
.summaryTable td.attributes {
border-left: 1px #C0C8D8 solid;
width: 140px;
text-align: right;
}
td.attributes, .fixedFont {
line-height: 15px;
color: #002EBE;
font-family: "Courier New",Courier,monospace;
font-size: 13px;
}
.summaryTable td.nameDescription {
text-align: left;
font-size: 13px;
line-height: 15px;
}
.summaryTable td.nameDescription, .description {
line-height: 15px;
padding: 4px;
padding-left: 4px;
}
.summaryTable { margin-bottom: 8px; }
ul.inheritsList {
list-style: square;
margin-left: 20px;
padding-left: 0;
}
.detailList {
margin-left: 20px;
line-height: 15px;
}
.detailList dt { margin-left: 20px; }
.detailList .heading {
font-weight: bold;
padding-bottom: 6px;
margin-left: 0;
}
.light, td.attributes, .light a:link, .light a:visited {
color: #777;
font-style: italic;
}
.fineprint {
text-align: right;
font-size: 10px;
}
.inheritsList dd {
margin-left: 0;
margin-top: 3px;
margin-bottom: 8px;
}
</style>
<!-- ============================== header ================================= -->
<!-- begin static/header.html -->
<div id="header">
</div>
<!-- end static/header.html -->
<!-- ============================== classes index ============================ -->
<div id="index">
<!-- begin publish.classesIndex -->
<div align="center"><a href="../index.html">Class Index</a>
| <a href="../files.html">File Index</a></div>
<script>
(function() {
var cx = '001658083293066718026:dbxamnxeuku';
var gcse = document.createElement('script'); gcse.type = 'text/javascript';
gcse.async = true;
gcse.src = (document.location.protocol == 'https:' ? 'https:' : 'http:') +
'//www.google.com/cse/cse.js?cx=' + cx;
var s = document.getElementsByTagName('script')[0];
s.parentNode.insertBefore(gcse, s);
})();
</script>
<gcse:search></gcse:search>
<hr>
<h2>Classes</h2>
<ul class="classList">
<li><i><a href="../symbols/_global_.html">_global_</a></i></li>
<li><a href="../symbols/Array.html">Array</a></li>
<li><a href="../symbols/fabric.html">fabric</a></li>
<li><a href="../symbols/fabric.Canvas.html">fabric.Canvas</a></li>
<li><a href="../symbols/fabric.Circle.html">fabric.Circle</a></li>
<li><a href="../symbols/fabric.Color.html">fabric.Color</a></li>
<li><a href="../symbols/fabric.Element.html">fabric.Element</a></li>
<li><a href="../symbols/fabric.Ellipse.html">fabric.Ellipse</a></li>
<li><a href="../symbols/fabric.FreeDrawing.html">fabric.FreeDrawing</a></li>
<li><a href="../symbols/fabric.Gradient.html">fabric.Gradient</a></li>
<li><a href="../symbols/fabric.Group.html">fabric.Group</a></li>
<li><a href="../symbols/fabric.Image.html">fabric.Image</a></li>
<li><a href="../symbols/fabric.Image.filters.html">fabric.Image.filters</a></li>
<li><a href="../symbols/fabric.Image.filters.Brightness.html">fabric.Image.filters.Brightness</a></li>
<li><a href="../symbols/fabric.Image.filters.Convolute.html">fabric.Image.filters.Convolute</a></li>
<li><a href="../symbols/fabric.Image.filters.GradientTransparency.html">fabric.Image.filters.GradientTransparency</a></li>
<li><a href="../symbols/fabric.Image.filters.Grayscale.html">fabric.Image.filters.Grayscale</a></li>
<li><a href="../symbols/fabric.Image.filters.Invert.html">fabric.Image.filters.Invert</a></li>
<li><a href="../symbols/fabric.Image.filters.Noise.html">fabric.Image.filters.Noise</a></li>
<li><a href="../symbols/fabric.Image.filters.Pixelate.html">fabric.Image.filters.Pixelate</a></li>
<li><a href="../symbols/fabric.Image.filters.RemoveWhite.html">fabric.Image.filters.RemoveWhite</a></li>
<li><a href="../symbols/fabric.Image.filters.Sepia.html">fabric.Image.filters.Sepia</a></li>
<li><a href="../symbols/fabric.Image.filters.Sepia2.html">fabric.Image.filters.Sepia2</a></li>
<li><a href="../symbols/fabric.Image.filters.Tint.html">fabric.Image.filters.Tint</a></li>
<li><a href="../symbols/fabric.Intersection.html">fabric.Intersection</a></li>
<li><a href="../symbols/fabric.Line.html">fabric.Line</a></li>
<li><a href="../symbols/fabric.Object.html">fabric.Object</a></li>
<li><a href="../symbols/fabric.Observable.html">fabric.Observable</a></li>
<li><a href="../symbols/fabric.Path.html">fabric.Path</a></li>
<li><a href="../symbols/fabric.PathGroup.html">fabric.PathGroup</a></li>
<li><a href="../symbols/fabric.Pattern.html">fabric.Pattern</a></li>
<li><a href="../symbols/fabric.Point.html">fabric.Point</a></li>
<li><a href="../symbols/fabric.Polygon.html">fabric.Polygon</a></li>
<li><a href="../symbols/fabric.Polyline.html">fabric.Polyline</a></li>
<li><a href="../symbols/fabric.Rect.html">fabric.Rect</a></li>
<li><a href="../symbols/fabric.Shadow.html">fabric.Shadow</a></li>
<li><a href="../symbols/fabric.StaticCanvas.html">fabric.StaticCanvas</a></li>
<li><a href="../symbols/fabric.Text.html">fabric.Text</a></li>
<li><a href="../symbols/fabric.Triangle.html">fabric.Triangle</a></li>
<li><a href="../symbols/fabric.util.html">fabric.util</a></li>
<li><a href="../symbols/fabric.util.array.html">fabric.util.array</a></li>
<li><a href="../symbols/fabric.util.ease.html">fabric.util.ease</a></li>
<li><a href="../symbols/fabric.util.object.html">fabric.util.object</a></li>
<li><a href="../symbols/fabric.util.string.html">fabric.util.string</a></li>
<li><a href="../symbols/Function.html">Function</a></li>
<li><a href="../symbols/String.html">String</a></li>
</ul>
<!-- end publish.classesIndex -->
</div>
<div id="content">
<!-- ============================== class title ============================ -->
<h1 class="classTitle">
Class fabric.Image.filters.Brightness
</h1>
<!-- ============================== class summary ========================== -->
<p class="description">
fabric.Image.filters.Brightness
<br /><i>Defined in: </i> <a href="../symbols/src/lib_fabric.js.html">fabric.js</a>.
</p>
<!-- ============================== constructor summary ==================== -->
<table class="summaryTable" cellspacing="0" summary="A summary of the constructor documented in the class fabric.Image.filters.Brightness.">
<caption>Class Summary</caption>
<thead>
<tr>
<th scope="col">Constructor Attributes</th>
<th scope="col">Constructor Name and Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="attributes"> </td>
<td class="nameDescription" >
<div class="fixedFont">
<b><a href="../symbols/fabric.Image.filters.Brightness.html#constructor">fabric.Image.filters.Brightness</a></b>()
</div>
<div class="description">Brightness filter class</div>
</td>
</tr>
</tbody>
</table>
<!-- ============================== properties summary ===================== -->
<table class="summaryTable" cellspacing="0" summary="A summary of the fields documented in the class fabric.Image.filters.Brightness.">
<caption>Field Summary</caption>
<thead>
<tr>
<th scope="col">Field Attributes</th>
<th scope="col">Field Name and Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="attributes"> </td>
<td class="nameDescription">
<div class="fixedFont">
<b><a href="../symbols/fabric.Image.filters.Brightness.html#type">type</a></b>
</div>
<div class="description">Filter type</div>
</td>
</tr>
</tbody>
</table>
<!-- ============================== methods summary ======================== -->
<table class="summaryTable" cellspacing="0" summary="A summary of the methods documented in the class fabric.Image.filters.Brightness.">
<caption>Method Summary</caption>
<thead>
<tr>
<th scope="col">Method Attributes</th>
<th scope="col">Method Name and Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="attributes"> </td>
<td class="nameDescription">
<div class="fixedFont"><b><a href="../symbols/fabric.Image.filters.Brightness.html#applyTo">applyTo</a></b>(canvasEl)
</div>
<div class="description">Applies filter to canvas element</div>
</td>
</tr>
<tr>
<td class="attributes"><static> </td>
<td class="nameDescription">
<div class="fixedFont">fabric.Image.filters.Brightness.<b><a href="../symbols/fabric.Image.filters.Brightness.html#.fromObject">fromObject</a></b>(object)
</div>
<div class="description">Returns filter instance from an object representation</div>
</td>
</tr>
<tr>
<td class="attributes"> </td>
<td class="nameDescription">
<div class="fixedFont"><b><a href="../symbols/fabric.Image.filters.Brightness.html#initialize">initialize</a></b>(options)
</div>
<div class="description">Constructor</div>
</td>
</tr>
<tr>
<td class="attributes"> </td>
<td class="nameDescription">
<div class="fixedFont"><b><a href="../symbols/fabric.Image.filters.Brightness.html#toJSON">toJSON</a></b>()
</div>
<div class="description">Returns json representation of filter</div>
</td>
</tr>
</tbody>
</table>
<!-- ============================== events summary ======================== -->
<!-- ============================== constructor details ==================== -->
<div class="details"><a name="constructor"> </a>
<div class="sectionTitle">
Class Detail
</div>
<div class="fixedFont">
<b>fabric.Image.filters.Brightness</b>()
</div>
<div class="description">
Brightness filter class
</div>
</div>
<!-- ============================== field details ========================== -->
<div class="sectionTitle">
Field Detail
</div>
<a name="type"> </a>
<div class="fixedFont">
<b>type</b>
</div>
<div class="description">
Filter type
</div>
<!-- ============================== method details ========================= -->
<div class="sectionTitle">
Method Detail
</div>
<a name="applyTo"> </a>
<div class="fixedFont">
<b>applyTo</b>(canvasEl)
</div>
<div class="description">
Applies filter to canvas element
</div>
<dl class="detailList">
<dt class="heading">Parameters:</dt>
<dt>
<span class="light fixedFont">{Object}</span> <b>canvasEl</b>
</dt>
<dd>Canvas element to apply filter to</dd>
</dl>
<hr />
<a name=".fromObject"> </a>
<div class="fixedFont"><static>
<span class="light">{<a href="../symbols/fabric.Image.filters.Brightness.html">fabric.Image.filters.Brightness</a>}</span>
<span class="light">fabric.Image.filters.Brightness.</span><b>fromObject</b>(object)
</div>
<div class="description">
Returns filter instance from an object representation
</div>
<dl class="detailList">
<dt class="heading">Parameters:</dt>
<dt>
<b>object</b>
</dt>
<dd></dd>
</dl>
<dl class="detailList">
<dt class="heading">Returns:</dt>
<dd><span class="light fixedFont">{<a href="../symbols/fabric.Image.filters.Brightness.html">fabric.Image.filters.Brightness</a>}</span> </dd>
</dl>
<hr />
<a name="initialize"> </a>
<div class="fixedFont">
<b>initialize</b>(options)
</div>
<div class="description">
Constructor
</div>
<dl class="detailList">
<dt class="heading">Parameters:</dt>
<dt>
<span class="light fixedFont">{Object}</span> <b>options</b>
<i>Optional</i>
</dt>
<dd>Options object</dd>
</dl>
<hr />
<a name="toJSON"> </a>
<div class="fixedFont">
<span class="light">{<a href="../symbols/String.html">String</a>}</span>
<b>toJSON</b>()
</div>
<div class="description">
Returns json representation of filter
</div>
<dl class="detailList">
<dt class="heading">Returns:</dt>
<dd><span class="light fixedFont">{<a href="../symbols/String.html">String</a>}</span> json representation of filter</dd>
</dl>
<!-- ============================== event details ========================= -->
<hr>
</div>
<!-- ============================== footer ================================= -->
<div class="fineprint" style="clear:both">
Documentation generated by <a href="http://code.google.com/p/jsdoc-toolkit/" target="_blank">JsDoc Toolkit</a> 2.4.0 on Wed Feb 27 2013 00:41:34 GMT+0100 (CET)
</div>