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git-subtree-dir: submodules/AsyncDisplayKit git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632 git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
363 lines
8.3 KiB
HTML
Executable File
363 lines
8.3 KiB
HTML
Executable File
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>ASLayoutSpec Class Reference</title>
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<link rel="stylesheet" href="../css/style.css">
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<meta name="viewport" content="initial-scale=1, maximum-scale=1.4">
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<meta name="generator" content="appledoc 2.2.1 (build 1334)">
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</head>
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<body class="appledoc">
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<header>
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<div class="container" class="hide-in-xcode">
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<h1 id="library-title">
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<a href="../index.html"> </a>
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</h1>
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<p id="developer-home">
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<a href="../index.html">Texture</a>
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</p>
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</div>
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</header>
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<aside>
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<div class="container">
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<nav>
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<ul id="header-buttons" role="toolbar">
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<li><a href="../index.html">Index</a></li>
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<li><a href="../hierarchy.html">Hierarchy</a></li>
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<li id="on-this-page" role="navigation">
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<label>
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On This Page
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<div class="chevron">
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<div class="chevy chevron-left"></div>
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<div class="chevy chevron-right"></div>
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</div>
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<select id="jump-to">
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<option value="top">Jump To…</option>
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<option value="overview">Overview</option>
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<option value="tasks">Tasks</option>
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<optgroup label="Properties">
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<option value="//api/name/child">child</option>
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<option value="//api/name/children">children</option>
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<option value="//api/name/isMutable">isMutable</option>
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<option value="//api/name/parent">parent</option>
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</optgroup>
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</select>
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</label>
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</li>
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</ul>
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</nav>
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</div>
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</aside>
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<article>
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<div id="overview_contents" class="container">
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<div id="content">
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<main role="main">
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<h1 class="title">ASLayoutSpec Class Reference</h1>
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<div class="section section-specification"><table cellspacing="0"><tbody>
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<tr>
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<th>Inherits from</th>
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<td>NSObject</td>
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</tr><tr>
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<th>Conforms to</th>
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<td><a href="../Protocols/ASLayoutElement.html">ASLayoutElement</a></td>
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</tr><tr>
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<th>Declared in</th>
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<td>ASLayoutSpec.h</td>
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</tr>
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</tbody></table></div>
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<div class="section section-overview">
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<a title="Overview" name="overview"></a>
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<h2 class="subtitle subtitle-overview">Overview</h2>
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<p>A layout spec is an immutable object that describes a layout, loosely inspired by React.</p>
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</div>
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<div class="section section-tasks">
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<a title="Tasks" name="tasks"></a>
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<div class="task-list">
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<div class="section-method">
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<a name="//api/name/isMutable" title="isMutable"></a>
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<h3 class="method-title"><code><a href="#//api/name/isMutable"> isMutable</a></code>
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</h3>
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<div class="method-info">
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<div class="pointy-thing"></div>
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<div class="method-info-container">
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<div class="method-subsection brief-description">
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<p>Creation of a layout spec should only happen by a user in layoutSpecThatFits:. During that method, a
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layout spec can be created and mutated. Once it is passed back to ASDK, the isMutable flag will be
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set to NO and any further mutations will cause an assert.</p>
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</div>
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<div class="method-subsection method-declaration"><code>@property (nonatomic, assign) BOOL isMutable</code></div>
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<div class="method-subsection declared-in-section">
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<h4 class="method-subtitle">Declared In</h4>
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<p><code class="declared-in-ref">ASLayoutSpec.h</code></p>
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</div>
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</div>
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</div>
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</div><div class="section-method">
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<a name="//api/name/parent" title="parent"></a>
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<h3 class="method-title"><code><a href="#//api/name/parent"> parent</a></code>
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</h3>
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<div class="method-info">
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<div class="pointy-thing"></div>
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<div class="method-info-container">
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<div class="method-subsection brief-description">
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<p>Parent of the layout spec</p>
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</div>
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<div class="method-subsection method-declaration"><code>@property (nullable, nonatomic, weak) id<ASLayoutElement> parent</code></div>
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<div class="method-subsection declared-in-section">
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<h4 class="method-subtitle">Declared In</h4>
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<p><code class="declared-in-ref">ASLayoutSpec.h</code></p>
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</div>
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</div>
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</div>
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</div><div class="section-method">
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<a name="//api/name/child" title="child"></a>
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<h3 class="method-title"><code><a href="#//api/name/child"> child</a></code>
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</h3>
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<div class="method-info">
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<div class="pointy-thing"></div>
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<div class="method-info-container">
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<div class="method-subsection brief-description">
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<p>Adds a child to this layout spec using a default identifier.</p>
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</div>
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<div class="method-subsection method-declaration"><code>@property (nullable, strong, nonatomic) id<ASLayoutElement> child</code></div>
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<div class="method-subsection arguments-section parameters">
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<h4 class="method-subtitle parameter-title">Parameters</h4>
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<table class="argument-def parameter-def">
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<tr>
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<th scope="row" class="argument-name"><code>child</code></th>
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<td><p>A child to be added.</p></td>
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</tr>
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</table>
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</div>
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<div class="method-subsection discussion-section">
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<h4 class="method-subtitle">Discussion</h4>
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<p>Every ASLayoutSpec must act on at least one child. The ASLayoutSpec base class takes the
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responsibility of holding on to the spec children. Some layout specs, like ASInsetLayoutSpec,
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only require a single child.</p>
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<p>For layout specs that require a known number of children (ASBackgroundLayoutSpec, for example)
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a subclass should use this method to set the “primary” child. It can then use setChild:forIdentifier:
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to set any other required children. Ideally a subclass would hide this from the user, and use the
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setChild:forIdentifier: internally. For example, ASBackgroundLayoutSpec exposes a backgroundChild
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property that behind the scenes is calling setChild:forIdentifier:.</p>
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</div>
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<div class="method-subsection declared-in-section">
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<h4 class="method-subtitle">Declared In</h4>
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<p><code class="declared-in-ref">ASLayoutSpec.h</code></p>
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</div>
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</div>
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</div>
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</div><div class="section-method">
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<a name="//api/name/children" title="children"></a>
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<h3 class="method-title"><code><a href="#//api/name/children"> children</a></code>
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</h3>
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<div class="method-info">
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<div class="pointy-thing"></div>
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<div class="method-info-container">
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<div class="method-subsection brief-description">
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<p>Adds childen to this layout spec.</p>
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</div>
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<div class="method-subsection method-declaration"><code>@property (nullable, strong, nonatomic) NSArray<id<ASLayoutElement> > *children</code></div>
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<div class="method-subsection arguments-section parameters">
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<h4 class="method-subtitle parameter-title">Parameters</h4>
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<table class="argument-def parameter-def">
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<tr>
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<th scope="row" class="argument-name"><code>children</code></th>
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<td><p>An array of ASLayoutElement children to be added.</p></td>
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</tr>
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</table>
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</div>
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<div class="method-subsection discussion-section">
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<h4 class="method-subtitle">Discussion</h4>
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<p>Every ASLayoutSpec must act on at least one child. The ASLayoutSpec base class takes the
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reponsibility of holding on to the spec children. Some layout specs, like ASStackLayoutSpec,
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can take an unknown number of children. In this case, the this method should be used.
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For good measure, in these layout specs it probably makes sense to define
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setChild: and setChild:forIdentifier: methods to do something appropriate or to assert.</p>
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</div>
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<div class="method-subsection declared-in-section">
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<h4 class="method-subtitle">Declared In</h4>
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<p><code class="declared-in-ref">ASLayoutSpec.h</code></p>
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</div>
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</div>
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</div>
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</div>
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</div>
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</div>
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</main>
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<footer>
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<div class="footer-copyright">
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<p class="copyright">Copyright © 2016 Texture. All rights reserved. Updated: 2016-11-05</p>
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<p class="generator">Generated by <a href="http://appledoc.gentlebytes.com">appledoc 2.2.1 (build 1334)</a>.</p>
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</div>
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</footer>
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</div>
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</div>
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</article>
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<script src="../js/script.js"></script>
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</body>
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</html> |