<!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="Source to the Rust file `experiment/src/meters.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>meters.rs.html -- source</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg"> <link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"> <link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc source"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../../experiment/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><span class="help-button">?</span> <a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><pre class="line-numbers"><span id="1"> 1</span> <span id="2"> 2</span> <span id="3"> 3</span> <span id="4"> 4</span> <span id="5"> 5</span> <span id="6"> 6</span> <span id="7"> 7</span> <span id="8"> 8</span> <span id="9"> 9</span> <span id="10">10</span> <span id="11">11</span> <span id="12">12</span> <span id="13">13</span> <span id="14">14</span> <span id="15">15</span> <span id="16">16</span> <span id="17">17</span> <span id="18">18</span> <span id="19">19</span> <span id="20">20</span> <span id="21">21</span> <span id="22">22</span> <span id="23">23</span> <span id="24">24</span> <span id="25">25</span> <span id="26">26</span> <span id="27">27</span> <span id="28">28</span> <span id="29">29</span> <span id="30">30</span> <span id="31">31</span> <span id="32">32</span> <span id="33">33</span> <span id="34">34</span> <span id="35">35</span> <span id="36">36</span> <span id="37">37</span> <span id="38">38</span> <span id="39">39</span> <span id="40">40</span> <span id="41">41</span> <span id="42">42</span> <span id="43">43</span> <span id="44">44</span> <span id="45">45</span> <span id="46">46</span> <span id="47">47</span> <span id="48">48</span> <span id="49">49</span> </pre><div class="example-wrap"><pre class="rust "> <span class="kw">use</span> <span class="ident">abstutil</span>::<span class="ident">prettyprint_usize</span>; <span class="kw">use</span> <span class="ident">geom</span>::{<span class="ident">Line</span>, <span class="ident">Polygon</span>, <span class="ident">Pt2D</span>}; <span class="kw">use</span> <span class="ident">map_gui</span>::<span class="ident">tools</span>::<span class="ident">ColorScale</span>; <span class="kw">use</span> <span class="ident">widgetry</span>::{<span class="ident">Color</span>, <span class="ident">EventCtx</span>, <span class="ident">Fill</span>, <span class="ident">GeomBatch</span>, <span class="ident">LinearGradient</span>, <span class="ident">TextExt</span>, <span class="ident">Widget</span>}; <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">make_bar</span>(<span class="ident">ctx</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>, <span class="ident">scale</span>: <span class="ident">ColorScale</span>, <span class="ident">value</span>: <span class="ident">usize</span>, <span class="ident">max</span>: <span class="ident">usize</span>) <span class="op">-</span><span class="op">></span> <span class="ident">Widget</span> { <span class="kw">let</span> <span class="ident">pct_full</span> <span class="op">=</span> (<span class="ident">value</span> <span class="kw">as</span> <span class="ident">f64</span>) <span class="op">/</span> (<span class="ident">max</span> <span class="kw">as</span> <span class="ident">f64</span>); <span class="kw">let</span> <span class="ident">total_width</span> <span class="op">=</span> <span class="number">300.0</span>; <span class="kw">let</span> <span class="ident">height</span> <span class="op">=</span> <span class="number">32.0</span>; <span class="kw">let</span> <span class="ident">n</span> <span class="op">=</span> <span class="ident">scale</span>.<span class="number">0</span>.<span class="ident">len</span>(); <span class="kw">let</span> <span class="ident">width_each</span> <span class="op">=</span> <span class="ident">total_width</span> <span class="op">/</span> ((<span class="ident">n</span> <span class="op">-</span> <span class="number">1</span>) <span class="kw">as</span> <span class="ident">f64</span>); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">pieces</span> <span class="op">=</span> <span class="ident">Vec</span>::<span class="ident">new</span>(); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">width_remaining</span> <span class="op">=</span> <span class="ident">pct_full</span> <span class="op">*</span> <span class="ident">total_width</span>; <span class="kw">for</span> <span class="ident">i</span> <span class="kw">in</span> <span class="number">0</span>..<span class="ident">n</span> <span class="op">-</span> <span class="number">1</span> { <span class="kw">let</span> <span class="ident">width</span> <span class="op">=</span> <span class="ident">width_each</span>.<span class="ident">min</span>(<span class="ident">width_remaining</span>); <span class="ident">pieces</span>.<span class="ident">push</span>(<span class="ident">Polygon</span>::<span class="ident">rectangle</span>(<span class="ident">width</span>, <span class="ident">height</span>).<span class="ident">translate</span>((<span class="ident">i</span> <span class="kw">as</span> <span class="ident">f64</span>) <span class="op">*</span> <span class="ident">width_each</span>, <span class="number">0.0</span>)); <span class="kw">if</span> <span class="ident">width</span> <span class="op"><</span> <span class="ident">width_each</span> { <span class="kw">break</span>; } <span class="ident">width_remaining</span> <span class="op">-</span><span class="op">=</span> <span class="ident">width</span>; } <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">batch</span> <span class="op">=</span> <span class="ident">GeomBatch</span>::<span class="ident">new</span>(); <span class="ident">batch</span>.<span class="ident">push</span>( <span class="ident">Fill</span>::<span class="ident">LinearGradient</span>(<span class="ident">LinearGradient</span> { <span class="ident">line</span>: <span class="ident">Line</span>::<span class="ident">must_new</span>(<span class="ident">Pt2D</span>::<span class="ident">new</span>(<span class="number">0.0</span>, <span class="number">0.0</span>), <span class="ident">Pt2D</span>::<span class="ident">new</span>(<span class="ident">total_width</span>, <span class="number">0.0</span>)), <span class="ident">stops</span>: <span class="ident">scale</span> .<span class="number">0</span> .<span class="ident">iter</span>() .<span class="ident">enumerate</span>() .<span class="ident">map</span>(<span class="op">|</span>(<span class="ident">idx</span>, <span class="ident">color</span>)<span class="op">|</span> ((<span class="ident">idx</span> <span class="kw">as</span> <span class="ident">f64</span>) <span class="op">/</span> ((<span class="ident">n</span> <span class="op">-</span> <span class="number">1</span>) <span class="kw">as</span> <span class="ident">f64</span>), <span class="kw-2">*</span><span class="ident">color</span>)) .<span class="ident">collect</span>(), }), <span class="ident">Polygon</span>::<span class="ident">union_all</span>(<span class="ident">pieces</span>), ); <span class="ident">batch</span>.<span class="ident">push</span>( <span class="ident">Color</span>::<span class="ident">BLACK</span>, <span class="ident">Polygon</span>::<span class="ident">rectangle</span>((<span class="number">1.0</span> <span class="op">-</span> <span class="ident">pct_full</span>) <span class="op">*</span> <span class="ident">total_width</span>, <span class="ident">height</span>) .<span class="ident">translate</span>(<span class="ident">pct_full</span> <span class="op">*</span> <span class="ident">total_width</span>, <span class="number">0.0</span>), ); <span class="ident">Widget</span>::<span class="ident">row</span>(<span class="macro">vec</span><span class="macro">!</span>[ <span class="macro">format</span><span class="macro">!</span>(<span class="string">"{} / {}"</span>, <span class="ident">prettyprint_usize</span>(<span class="ident">value</span>), <span class="ident">prettyprint_usize</span>(<span class="ident">max</span>)).<span class="ident">draw_text</span>(<span class="ident">ctx</span>), <span class="ident">Widget</span>::<span class="ident">draw_batch</span>(<span class="ident">ctx</span>, <span class="ident">batch</span>) .<span class="ident">padding</span>(<span class="number">2</span>) .<span class="ident">outline</span>(<span class="number">2.0</span>, <span class="ident">Color</span>::<span class="ident">WHITE</span>), ]) } </pre></div> </section><section id="search" class="content hidden"></section><section class="footer"></section><script>window.rootPath = "../../";window.currentCrate = "experiment";</script><script src="../../main.js"></script><script src="../../source-script.js"></script><script src="../../source-files.js"></script><script defer src="../../search-index.js"></script></body></html>