| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Color quantization library"><meta name="keywords" content="rust, rustlang, rust-lang, color_quant"><title>color_quant - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../normalize.css"><link rel="stylesheet" href="../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../ayu.css" disabled><link rel="stylesheet" href="../dark.css" disabled><link rel="stylesheet" href="../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../storage.js"></script><script defer src="../crates.js"></script><script defer src="../main.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../favicon.svg"></head><body class="rustdoc mod crate"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button><a class="sidebar-logo" href="../color_quant/index.html"><div class="logo-container"><img class="rust-logo" src="../rust-logo.svg" alt="logo"></div></a><h2></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../color_quant/index.html"><div class="logo-container"><img class="rust-logo" src="../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">Crate color_quant</a></h2><div class="sidebar-elems"><ul class="block"><li class="version">Version 1.1.0</li><li><a id="all-types" href="all.html">All Items</a></li></ul><section><ul class="block"><li><a href="#structs">Structs</a></li></ul></section></div></nav><main><div class="width-limiter"><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn">Crate <a class="mod" href="#">color_quant</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../clipboard.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="srclink" href="../src/color_quant/lib.rs.html#53-480">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><h2 id="color-quantization-library"><a href="#color-quantization-library">Color quantization library</a></h2> |
| <p>This library provides a color quantizer based on the <a href="http://members.ozemail.com.au/~dekker/NEUQUANT.HTML">NEUQUANT</a></p> |
| <p>Original literature: Dekker, A. H. (1994). Kohonen neural networks for |
| optimal colour quantization. <em>Network: Computation in Neural Systems</em>, 5(3), 351-367. |
| <a href="https://doi.org/10.1088/0954-898X_5_3_003">doi: 10.1088/0954-898X_5_3_003</a></p> |
| <p>See also <a href="https://scientificgems.wordpress.com/stuff/neuquant-fast-high-quality-image-quantization/">https://scientificgems.wordpress.com/stuff/neuquant-fast-high-quality-image-quantization/</a></p> |
| <h3 id="usage"><a href="#usage">Usage</a></h3> |
| <div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">let </span>data = <span class="macro">vec!</span>[<span class="number">0</span>; <span class="number">40</span>]; |
| <span class="kw">let </span>nq = color_quant::NeuQuant::new(<span class="number">10</span>, <span class="number">256</span>, <span class="kw-2">&</span>data); |
| <span class="kw">let </span>indixes: Vec<u8> = data.chunks(<span class="number">4</span>).map(|pix| nq.index_of(pix) <span class="kw">as </span>u8).collect(); |
| <span class="kw">let </span>color_map = nq.color_map_rgba();</code></pre></div> |
| </div></details><h2 id="structs" class="small-section-header"><a href="#structs">Structs</a></h2><div class="item-table"><div class="item-row"><div class="item-left module-item"><a class="struct" href="struct.NeuQuant.html" title="color_quant::NeuQuant struct">NeuQuant</a></div></div></div></section></div></main><div id="rustdoc-vars" data-root-path="../" data-current-crate="color_quant" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
