| <!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="Fill the image with a linear horizontal gradient"><meta name="keywords" content="rust, rustlang, rust-lang, horizontal_gradient"><title>horizontal_gradient in image::imageops - 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="sidebar-items.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 fn"><!--[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="../../image/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="../../image/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2><a href="index.html">In image::imageops</a></h2></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">Function <a href="../index.html">image</a>::<wbr><a href="index.html">imageops</a>::<wbr><a class="fn" href="#">horizontal_gradient</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/image/imageops/mod.rs.html#242-259">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span></div><div class="item-decl"><pre class="rust fn"><code>pub fn horizontal_gradient<S, P, I>(img: &mut I, start: &P, stop: &P)<span class="where fmt-newline">where<br> I: <a class="trait" href="../trait.GenericImage.html" title="trait image::GenericImage">GenericImage</a><Pixel = P>,<br> P: <a class="trait" href="../trait.Pixel.html" title="trait image::Pixel">Pixel</a><Subpixel = S> + 'static,<br> S: <a class="trait" href="../trait.Primitive.html" title="trait image::Primitive">Primitive</a> + Lerp + 'static,</span></code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Fill the image with a linear horizontal gradient</p> |
| <p>This function assumes a linear color space.</p> |
| <h2 id="examples"><a href="#examples">Examples</a></h2> |
| <div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>image::{Rgba, RgbaImage, Pixel}; |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>img = RgbaImage::new(<span class="number">100</span>, <span class="number">100</span>); |
| <span class="kw">let </span>start = Rgba::from_slice(<span class="kw-2">&</span>[<span class="number">0</span>, <span class="number">128</span>, <span class="number">0</span>, <span class="number">0</span>]); |
| <span class="kw">let </span>end = Rgba::from_slice(<span class="kw-2">&</span>[<span class="number">255</span>, <span class="number">255</span>, <span class="number">255</span>, <span class="number">255</span>]); |
| |
| image::imageops::horizontal_gradient(<span class="kw-2">&mut </span>img, start, end); |
| img.save(<span class="string">"horizontal_gradient.png"</span>).unwrap();</code></pre></div> |
| </div></details></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="image" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
