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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>dip::ChainCode::Code class | DIPlib | a library for quantitative image analysis</title>
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<main><article>
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<h1>
<div class="m-doc-include m-thin m-right-m m-text-right">
<span class="m-code m-thin">#include <a href="file--diplib--chain_code-h.html">"diplib/chain_code.h"</a></span> </div>
<span class="m-breadcrumb"><a href="dip.html">dip</a>::<wbr/></span><span class="m-breadcrumb"><a href="dip-ChainCode.html">ChainCode</a>::<wbr/></span>Code <span class="m-thin">class</span> </h1>
<p>Encodes a single chain code, as used by <a href="dip-ChainCode.html"><code>dip::ChainCode</code></a>.</p>
<div class="m-index m-block m-default">
<h3>Contents</h3>
<ul>
<li>
Reference
<ul>
<li><a href="#typeless-methods">Constructors, destructors, assignment and conversion operators</a></li>
<li><a href="#function-members">Functions</a></li>
<li><a href="#operator-members">Operators</a></li>
</ul>
</li>
</ul>
</div>
<p>Chain codes are between 0 and 3 for connectivity = 1, and between 0 and 7 for connectivity = 2.
0 means to the right in both cases. The border flag marks pixels at the border of the image.</p>
<section id="typeless-methods">
<h2>Constructors, destructors, assignment and conversion operators</h2>
<dl class="m-doc">
<dt>
<span class="m-doc-wrap-bumper"><a href="#dip-ChainCode-Code-Code" class="m-doc">Code</a>(</span><span class="m-doc-wrap">) <span class="m-label m-flat m-info">defaulted</span></span>
</dt>
<dd>Default constructor</dd>
<dt>
<span class="m-doc-wrap-bumper"><a href="#dip-ChainCode-Code-Code-unsigned%20int--bool-" class="m-doc">Code</a>(</span><span class="m-doc-wrap">unsigned int code,
bool border = false)</span>
</dt>
<dd>Constructor</dd>
</dl>
</section>
<section id="function-members">
<h2>Functions</h2>
<dl class="m-doc">
<dt>
<span class="m-doc-wrap-bumper">auto <a href="#dip-ChainCode-Code-Delta4-C" class="m-doc">Delta4</a>(</span><span class="m-doc-wrap">) const -> <a href="dip-Vertex-T.html#dip-VertexInteger" class="m-doc">dip::VertexInteger</a> const&</span>
</dt>
<dd>The change in coordinates for a 4-connected chain code</dd>
<dt>
<span class="m-doc-wrap-bumper">auto <a href="#dip-ChainCode-Code-Delta8-C" class="m-doc">Delta8</a>(</span><span class="m-doc-wrap">) const -> <a href="dip-Vertex-T.html#dip-VertexInteger" class="m-doc">dip::VertexInteger</a> const&</span>
</dt>
<dd>The change in coordinates for an 8-connected chain code</dd>
<dt>
<span class="m-doc-wrap-bumper">auto <a href="#dip-ChainCode-Code-IsBorder-C" class="m-doc">IsBorder</a>(</span><span class="m-doc-wrap">) const -> bool</span>
</dt>
<dd>Returns whether the border flag is set</dd>
<dt>
<span class="m-doc-wrap-bumper">auto <a href="#dip-ChainCode-Code-IsEven-C" class="m-doc">IsEven</a>(</span><span class="m-doc-wrap">) const -> bool</span>
</dt>
<dd>Is it an even code?</dd>
<dt>
<span class="m-doc-wrap-bumper">auto <a href="#dip-ChainCode-Code-IsOdd-C" class="m-doc">IsOdd</a>(</span><span class="m-doc-wrap">) const -> bool</span>
</dt>
<dd>Is it an off code?</dd>
</dl>
</section>
<section id="operator-members">
<h2>Operators</h2>
<dl class="m-doc">
<dt>
<span class="m-doc-wrap-bumper">auto <a href="#dip-ChainCode-Code-operator%20unsigned-C" class="m-doc">operator unsigned</a>(</span><span class="m-doc-wrap">) const -> unsigned int</span>
</dt>
<dd>Returns the chain code</dd>
<dt>
<span class="m-doc-wrap-bumper">auto <a href="#dip-ChainCode-Code-operator%21%3D-Code-CL-C" class="m-doc">operator!=</a>(</span><span class="m-doc-wrap"><a href="dip-ChainCode-Code.html" class="m-doc">dip::ChainCode::Code</a> const& c2) const -> bool</span>
</dt>
<dd>Compare codes</dd>
<dt>
<span class="m-doc-wrap-bumper">auto <a href="#dip-ChainCode-Code-operator%3D%3D-Code-CL-C" class="m-doc">operator==</a>(</span><span class="m-doc-wrap"><a href="dip-ChainCode-Code.html" class="m-doc">dip::ChainCode::Code</a> const& c2) const -> bool</span>
</dt>
<dd>Compare codes</dd>
</dl>
</section>
<section>
<h2>Function documentation</h2>
<section class="m-doc-details" id="dip-ChainCode-Code-Code"><div>
<h3>
<span class="m-doc-return"> </span>
<span class="m-doc-name"><a href="#dip-ChainCode-Code-Code" class="m-doc-self">Code</a></span>(
) <span class="m-label m-info">defaulted</span> </h3>
<p>Default constructor</p>
</div></section>
<section class="m-doc-details" id="dip-ChainCode-Code-Code-unsigned%20int--bool-"><div>
<h3>
<span class="m-doc-return"> </span>
<span class="m-doc-name"><a href="#dip-ChainCode-Code-Code-unsigned%20int--bool-" class="m-doc-self">Code</a></span>(
<span class="m-doc-arg">unsigned int code, </span><span class="m-doc-arg">bool border = false</span>) </h3>
<p>Constructor</p>
</div></section>
<section class="m-doc-details" id="dip-ChainCode-Code-IsBorder-C"><div>
<h3>
<span class="m-doc-return">bool </span>
<span class="m-doc-name"><a href="#dip-ChainCode-Code-IsBorder-C" class="m-doc-self">IsBorder</a></span>(
) const </h3>
<p>Returns whether the border flag is set</p>
</div></section>
<section class="m-doc-details" id="dip-ChainCode-Code-IsEven-C"><div>
<h3>
<span class="m-doc-return">bool </span>
<span class="m-doc-name"><a href="#dip-ChainCode-Code-IsEven-C" class="m-doc-self">IsEven</a></span>(
) const </h3>
<p>Is it an even code?</p>
</div></section>
<section class="m-doc-details" id="dip-ChainCode-Code-IsOdd-C"><div>
<h3>
<span class="m-doc-return">bool </span>
<span class="m-doc-name"><a href="#dip-ChainCode-Code-IsOdd-C" class="m-doc-self">IsOdd</a></span>(
) const </h3>
<p>Is it an off code?</p>
</div></section>
<section class="m-doc-details" id="dip-ChainCode-Code-Delta8-C"><div>
<h3>
<span class="m-doc-return"><a href="dip-Vertex-T.html#dip-VertexInteger" class="m-doc">dip::VertexInteger</a> const& </span>
<span class="m-doc-name"><a href="#dip-ChainCode-Code-Delta8-C" class="m-doc-self">Delta8</a></span>(
) const </h3>
<p>The change in coordinates for an 8-connected chain code</p>
</div></section>
<section class="m-doc-details" id="dip-ChainCode-Code-Delta4-C"><div>
<h3>
<span class="m-doc-return"><a href="dip-Vertex-T.html#dip-VertexInteger" class="m-doc">dip::VertexInteger</a> const& </span>
<span class="m-doc-name"><a href="#dip-ChainCode-Code-Delta4-C" class="m-doc-self">Delta4</a></span>(
) const </h3>
<p>The change in coordinates for a 4-connected chain code</p>
</div></section>
<section class="m-doc-details" id="dip-ChainCode-Code-operator%20unsigned-C"><div>
<h3>
<span class="m-doc-return">unsigned int </span>
<span class="m-doc-name"><a href="#dip-ChainCode-Code-operator%20unsigned-C" class="m-doc-self">operator unsigned</a></span>(
) const </h3>
<p>Returns the chain code</p>
</div></section>
<section class="m-doc-details" id="dip-ChainCode-Code-operator%3D%3D-Code-CL-C"><div>
<h3>
<span class="m-doc-return">bool </span>
<span class="m-doc-name"><a href="#dip-ChainCode-Code-operator%3D%3D-Code-CL-C" class="m-doc-self">operator==</a></span>(
<span class="m-doc-arg"><a href="dip-ChainCode-Code.html" class="m-doc">dip::ChainCode::Code</a> const& c2</span>) const </h3>
<p>Compare codes</p>
</div></section>
<section class="m-doc-details" id="dip-ChainCode-Code-operator%21%3D-Code-CL-C"><div>
<h3>
<span class="m-doc-return">bool </span>
<span class="m-doc-name"><a href="#dip-ChainCode-Code-operator%21%3D-Code-CL-C" class="m-doc-self">operator!=</a></span>(
<span class="m-doc-arg"><a href="dip-ChainCode-Code.html" class="m-doc">dip::ChainCode::Code</a> const& c2</span>) const </h3>
<p>Compare codes</p>
</div></section>
</section>
</div>
</div>
</div>
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