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<h1>BaseTexture Class</h1>
<div class="box meta">
<div class="uses">
Uses
<ul class="inline commas">
<li><a href="EventTarget.html">EventTarget</a></li>
</ul>
</div>
<div class="foundat">
Defined in: <a href="../files/src_pixi_textures_BaseTexture.js.html#l9"><code>src/pixi/textures/BaseTexture.js:9</code></a>
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Module: <a href="../modules/PIXI.html">PIXI</a>
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<div class="box intro">
<p>A texture stores the information that represents an image. All textures have a base texture.</p>
</div>
<div class="constructor">
<h2>Constructor</h2>
<div id="method_BaseTexture" class="method item">
<h3 class="name"><code>BaseTexture</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>source</code>
</li>
<li class="arg">
<code>scaleMode</code>
</li>
</ul><span class="paren">)</span>
</div>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_textures_BaseTexture.js.html#l9"><code>src/pixi/textures/BaseTexture.js:9</code></a>
</p>
</div>
<div class="description">
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">source</code>
<span class="type">String</span>
<div class="param-description">
<p>the source object (image or canvas)</p>
</div>
</li>
<li class="param">
<code class="param-name">scaleMode</code>
<span class="type">Number</span>
<div class="param-description">
<p>Should be one of the PIXI.scaleMode consts</p>
</div>
</li>
</ul>
</div>
</div>
</div>
<div id="classdocs" class="tabview">
<ul class="api-class-tabs">
<li class="api-class-tab index"><a href="#index">Index</a></li>
<li class="api-class-tab methods"><a href="#methods">Methods</a></li>
<li class="api-class-tab properties"><a href="#properties">Properties</a></li>
</ul>
<div>
<div id="index" class="api-class-tabpanel index">
<h2 class="off-left">Item Index</h2>
<div class="index-section methods">
<h3>Methods</h3>
<ul class="index-list methods">
<li class="index-item method">
<a href="#method_destroy">destroy</a>
</li>
<li class="index-item method">
<a href="#method_dirty">dirty</a>
</li>
<li class="index-item method inherited">
<a href="#method_emit">emit</a>
</li>
<li class="index-item method">
<a href="#method_fromCanvas">fromCanvas</a>
<span class="flag static">static</span>
</li>
<li class="index-item method">
<a href="#method_fromImage">fromImage</a>
<span class="flag static">static</span>
</li>
<li class="index-item method inherited">
<a href="#method_listeners">listeners</a>
</li>
<li class="index-item method inherited">
<a href="#method_mixin">mixin</a>
</li>
<li class="index-item method inherited">
<a href="#method_off">off</a>
</li>
<li class="index-item method inherited">
<a href="#method_on">on</a>
</li>
<li class="index-item method inherited">
<a href="#method_once">once</a>
</li>
<li class="index-item method inherited">
<a href="#method_removeAllListeners">removeAllListeners</a>
</li>
<li class="index-item method">
<a href="#method_unloadFromGPU">unloadFromGPU</a>
</li>
<li class="index-item method">
<a href="#method_updateSourceImage">updateSourceImage</a>
</li>
</ul>
</div>
<div class="index-section properties">
<h3>Properties</h3>
<ul class="index-list properties">
<li class="index-item property private">
<a href="#property__dirty">_dirty</a>
</li>
<li class="index-item property private">
<a href="#property__glTextures">_glTextures</a>
</li>
<li class="index-item property private">
<a href="#property__powerOf2">_powerOf2</a>
</li>
<li class="index-item property">
<a href="#property_hasLoaded">hasLoaded</a>
</li>
<li class="index-item property">
<a href="#property_height">height</a>
</li>
<li class="index-item property">
<a href="#property_imageUrl">imageUrl</a>
</li>
<li class="index-item property">
<a href="#property_premultipliedAlpha">premultipliedAlpha</a>
</li>
<li class="index-item property">
<a href="#property_resolution">resolution</a>
</li>
<li class="index-item property">
<a href="#property_scaleMode">scaleMode</a>
</li>
<li class="index-item property">
<a href="#property_source">source</a>
</li>
<li class="index-item property">
<a href="#property_width">width</a>
</li>
</ul>
</div>
</div>
<div id="methods" class="api-class-tabpanel">
<h2 class="off-left">Methods</h2>
<div id="method_destroy" class="method item">
<h3 class="name"><code>destroy</code></h3>
<span class="paren">()</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_textures_BaseTexture.js.html#l151"><code>src/pixi/textures/BaseTexture.js:151</code></a>
</p>
</div>
<div class="description">
<p>Destroys this base texture</p>
</div>
</div>
<div id="method_dirty" class="method item">
<h3 class="name"><code>dirty</code></h3>
<span class="paren">()</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_textures_BaseTexture.js.html#l187"><code>src/pixi/textures/BaseTexture.js:187</code></a>
</p>
</div>
<div class="description">
<p>Sets all glTextures to be dirty.</p>
</div>
</div>
<div id="method_emit" class="method item inherited">
<h3 class="name"><code>emit</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>eventName</code>
</li>
</ul><span class="paren">)</span>
</div>
<span class="returns-inline">
<span class="type">Boolean</span>
</span>
<div class="meta">
<p>Inherited from
<a href="../classes/EventTarget.html#method_emit">EventTarget</a>:
<a href="../files/src_pixi_utils_EventTarget.js.html#l54"><code>src/pixi/utils/EventTarget.js:54</code></a>
</p>
</div>
<div class="description">
<p>Emit an event to all registered event listeners.</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">eventName</code>
<span class="type">String</span>
<div class="param-description">
<p>The name of the event.</p>
</div>
</li>
</ul>
</div>
<div class="returns">
<h4>Returns:</h4>
<div class="returns-description">
<span class="type">Boolean</span>:
<p>Indication if we've emitted an event.</p>
</div>
</div>
</div>
<div id="method_fromCanvas" class="method item">
<h3 class="name"><code>fromCanvas</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>canvas</code>
</li>
<li class="arg">
<code>scaleMode</code>
</li>
</ul><span class="paren">)</span>
</div>
<span class="returns-inline">
<span class="type"></span>
</span>
<span class="flag static">static</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_textures_BaseTexture.js.html#l270"><code>src/pixi/textures/BaseTexture.js:270</code></a>
</p>
</div>
<div class="description">
<p>Helper function that creates a base texture from the given canvas element.</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">canvas</code>
<span class="type">Canvas</span>
<div class="param-description">
<p>The canvas element source of the texture</p>
</div>
</li>
<li class="param">
<code class="param-name">scaleMode</code>
<span class="type">Number</span>
<div class="param-description">
<p>Should be one of the PIXI.scaleMode consts</p>
</div>
</li>
</ul>
</div>
<div class="returns">
<h4>Returns:</h4>
<div class="returns-description">
<p>BaseTexture</p>
</div>
</div>
</div>
<div id="method_fromImage" class="method item">
<h3 class="name"><code>fromImage</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>imageUrl</code>
</li>
<li class="arg">
<code>crossorigin</code>
</li>
<li class="arg">
<code>scaleMode</code>
</li>
</ul><span class="paren">)</span>
</div>
<span class="returns-inline">
<span class="type"></span>
</span>
<span class="flag static">static</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_textures_BaseTexture.js.html#l228"><code>src/pixi/textures/BaseTexture.js:228</code></a>
</p>
</div>
<div class="description">
<p>Helper function that creates a base texture from the given image url.
If the image is not in the base texture cache it will be created and loaded.</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">imageUrl</code>
<span class="type">String</span>
<div class="param-description">
<p>The image url of the texture</p>
</div>
</li>
<li class="param">
<code class="param-name">crossorigin</code>
<span class="type">Boolean</span>
<div class="param-description">
</div>
</li>
<li class="param">
<code class="param-name">scaleMode</code>
<span class="type">Number</span>
<div class="param-description">
<p>Should be one of the PIXI.scaleMode consts</p>
</div>
</li>
</ul>
</div>
<div class="returns">
<h4>Returns:</h4>
<div class="returns-description">
<p>BaseTexture</p>
</div>
</div>
</div>
<div id="method_listeners" class="method item inherited">
<h3 class="name"><code>listeners</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>eventName</code>
</li>
</ul><span class="paren">)</span>
</div>
<span class="returns-inline">
<span class="type">Array</span>
</span>
<div class="meta">
<p>Inherited from
<a href="../classes/EventTarget.html#method_listeners">EventTarget</a>:
<a href="../files/src_pixi_utils_EventTarget.js.html#l41"><code>src/pixi/utils/EventTarget.js:41</code></a>
</p>
</div>
<div class="description">
<p>Return a list of assigned event listeners.</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">eventName</code>
<span class="type">String</span>
<div class="param-description">
<p>The events that should be listed.</p>
</div>
</li>
</ul>
</div>
<div class="returns">
<h4>Returns:</h4>
<div class="returns-description">
<span class="type">Array</span>:
<p>An array of listener functions</p>
</div>
</div>
</div>
<div id="method_mixin" class="method item inherited">
<h3 class="name"><code>mixin</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>object</code>
</li>
</ul><span class="paren">)</span>
</div>
<div class="meta">
<p>Inherited from
<a href="../classes/EventTarget.html#method_mixin">EventTarget</a>:
<a href="../files/src_pixi_utils_EventTarget.js.html#l34"><code>src/pixi/utils/EventTarget.js:34</code></a>
</p>
</div>
<div class="description">
<p>Mixes in the properties of the EventTarget prototype onto another object</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">object</code>
<span class="type">Object</span>
<div class="param-description">
<p>The obj to mix into</p>
</div>
</li>
</ul>
</div>
</div>
<div id="method_off" class="method item inherited">
<h3 class="name"><code>off</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>eventName</code>
</li>
<li class="arg">
<code>callback</code>
</li>
</ul><span class="paren">)</span>
</div>
<div class="meta">
<p>Inherited from
<a href="../classes/EventTarget.html#method_off">EventTarget</a>:
<a href="../files/src_pixi_utils_EventTarget.js.html#l143"><code>src/pixi/utils/EventTarget.js:143</code></a>
</p>
</div>
<div class="description">
<p>Remove event listeners.</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">eventName</code>
<span class="type">String</span>
<div class="param-description">
<p>The event we want to remove.</p>
</div>
</li>
<li class="param">
<code class="param-name">callback</code>
<span class="type">Function</span>
<div class="param-description">
<p>The listener that we need to find.</p>
</div>
</li>
</ul>
</div>
</div>
<div id="method_on" class="method item inherited">
<h3 class="name"><code>on</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>eventName</code>
</li>
<li class="arg">
<code>callback</code>
</li>
</ul><span class="paren">)</span>
</div>
<div class="meta">
<p>Inherited from
<a href="../classes/EventTarget.html#method_on">EventTarget</a>:
<a href="../files/src_pixi_utils_EventTarget.js.html#l107"><code>src/pixi/utils/EventTarget.js:107</code></a>
</p>
</div>
<div class="description">
<p>Register a new EventListener for the given event.</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">eventName</code>
<span class="type">String</span>
<div class="param-description">
<p>Name of the event.</p>
</div>
</li>
<li class="param">
<code class="param-name">callback</code>
<span class="type">Functon</span>
<div class="param-description">
<p>fn Callback function.</p>
</div>
</li>
</ul>
</div>
</div>
<div id="method_once" class="method item inherited">
<h3 class="name"><code>once</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>eventName</code>
</li>
<li class="arg">
<code>callback</code>
</li>
</ul><span class="paren">)</span>
</div>
<div class="meta">
<p>Inherited from
<a href="../classes/EventTarget.html#method_once">EventTarget</a>:
<a href="../files/src_pixi_utils_EventTarget.js.html#l124"><code>src/pixi/utils/EventTarget.js:124</code></a>
</p>
</div>
<div class="description">
<p>Add an EventListener that's only called once.</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">eventName</code>
<span class="type">String</span>
<div class="param-description">
<p>Name of the event.</p>
</div>
</li>
<li class="param">
<code class="param-name">callback</code>
<span class="type">Function</span>
<div class="param-description">
<p>Callback function.</p>
</div>
</li>
</ul>
</div>
</div>
<div id="method_removeAllListeners" class="method item inherited">
<h3 class="name"><code>removeAllListeners</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>eventName</code>
</li>
</ul><span class="paren">)</span>
</div>
<div class="meta">
<p>Inherited from
<a href="../classes/EventTarget.html#method_removeAllListeners">EventTarget</a>:
<a href="../files/src_pixi_utils_EventTarget.js.html#l173"><code>src/pixi/utils/EventTarget.js:173</code></a>
</p>
</div>
<div class="description">
<p>Remove all listeners or only the listeners for the specified event.</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">eventName</code>
<span class="type">String</span>
<div class="param-description">
<p>The event you want to remove all listeners for.</p>
</div>
</li>
</ul>
</div>
</div>
<div id="method_unloadFromGPU" class="method item">
<h3 class="name"><code>unloadFromGPU</code></h3>
<span class="paren">()</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_textures_BaseTexture.js.html#l200"><code>src/pixi/textures/BaseTexture.js:200</code></a>
</p>
</div>
<div class="description">
<p>Removes the base texture from the GPU, useful for managing resources on the GPU.
Atexture is still 100% usable and will simply be reuploaded if there is a sprite on screen that is using it.</p>
</div>
</div>
<div id="method_updateSourceImage" class="method item">
<h3 class="name"><code>updateSourceImage</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>newSrc</code>
</li>
</ul><span class="paren">)</span>
</div>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_textures_BaseTexture.js.html#l174"><code>src/pixi/textures/BaseTexture.js:174</code></a>
</p>
</div>
<div class="description">
<p>Changes the source image of the texture</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">newSrc</code>
<span class="type">String</span>
<div class="param-description">
<p>the path of the image</p>
</div>
</li>
</ul>
</div>
</div>
</div>
<div id="properties" class="api-class-tabpanel">
<h2 class="off-left">Properties</h2>
<div id="property__dirty" class="property item private">
<h3 class="name"><code>_dirty</code></h3>
<span class="type">Array</span>
<span class="flag private">private</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_textures_BaseTexture.js.html#l95"><code>src/pixi/textures/BaseTexture.js:95</code></a>
</p>
</div>
<div class="description">
</div>
</div>
<div id="property__glTextures" class="property item private">
<h3 class="name"><code>_glTextures</code></h3>
<span class="type">Array</span>
<span class="flag private">private</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_textures_BaseTexture.js.html#l85"><code>src/pixi/textures/BaseTexture.js:85</code></a>
</p>
</div>
<div class="description">
</div>
</div>
<div id="property__powerOf2" class="property item private">
<h3 class="name"><code>_powerOf2</code></h3>
<span class="type">Boolean</span>
<span class="flag private">private</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_textures_BaseTexture.js.html#l138"><code>src/pixi/textures/BaseTexture.js:138</code></a>
</p>
</div>
<div class="description">
</div>
</div>
<div id="property_hasLoaded" class="property item">
<h3 class="name"><code>hasLoaded</code></h3>
<span class="type">Boolean</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_textures_BaseTexture.js.html#l55"><code>src/pixi/textures/BaseTexture.js:55</code></a>
</p>
</div>
<div class="description">
<p>[read-only] Set to true once the base texture has loaded</p>
</div>
</div>
<div id="property_height" class="property item">
<h3 class="name"><code>height</code></h3>
<span class="type">Number</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_textures_BaseTexture.js.html#l37"><code>src/pixi/textures/BaseTexture.js:37</code></a>
</p>
</div>
<div class="description">
<p>[read-only] The height of the base texture set when the image has loaded</p>
</div>
</div>
<div id="property_imageUrl" class="property item">
<h3 class="name"><code>imageUrl</code></h3>
<span class="type">String</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_textures_BaseTexture.js.html#l132"><code>src/pixi/textures/BaseTexture.js:132</code></a>
</p>
</div>
<div class="description">
</div>
</div>
<div id="property_premultipliedAlpha" class="property item">
<h3 class="name"><code>premultipliedAlpha</code></h3>
<span class="type">Boolean</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_textures_BaseTexture.js.html#l74"><code>src/pixi/textures/BaseTexture.js:74</code></a>
</p>
</div>
<div class="description">
<p>Controls if RGB channels should be pre-multiplied by Alpha (WebGL only)</p>
</div>
<p><strong>Default:</strong> true</p>
</div>
<div id="property_resolution" class="property item">
<h3 class="name"><code>resolution</code></h3>
<span class="type">Number</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_textures_BaseTexture.js.html#l20"><code>src/pixi/textures/BaseTexture.js:20</code></a>
</p>
</div>
<div class="description">
<p>The Resolution of the texture.</p>
</div>
</div>
<div id="property_scaleMode" class="property item">
<h3 class="name"><code>scaleMode</code></h3>
<span class="type">PIXI.scaleModes</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_textures_BaseTexture.js.html#l46"><code>src/pixi/textures/BaseTexture.js:46</code></a>
</p>
</div>
<div class="description">
<p>The scale mode to apply when scaling this texture</p>
</div>
<p><strong>Default:</strong> PIXI.scaleModes.LINEAR</p>
</div>
<div id="property_source" class="property item">
<h3 class="name"><code>source</code></h3>
<span class="type">Image</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_textures_BaseTexture.js.html#l64"><code>src/pixi/textures/BaseTexture.js:64</code></a>
</p>
</div>
<div class="description">
<p>The image source that is used to create the texture.</p>
</div>
</div>
<div id="property_width" class="property item">
<h3 class="name"><code>width</code></h3>
<span class="type">Number</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_textures_BaseTexture.js.html#l28"><code>src/pixi/textures/BaseTexture.js:28</code></a>
</p>
</div>
<div class="description">
<p>[read-only] The width of the base texture set when the image has loaded</p>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
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