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id="theme-choices" role="menu"></div></div><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"><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></form></nav></div><section id="main-content" class="content"><div class="example-wrap"><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"> 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id="212">212</span> <span id="213">213</span> <span id="214">214</span> <span id="215">215</span> <span id="216">216</span> <span id="217">217</span> <span id="218">218</span> <span id="219">219</span> <span id="220">220</span> <span id="221">221</span> <span id="222">222</span> <span id="223">223</span> <span id="224">224</span> <span id="225">225</span> </pre><pre class="rust"><code><span class="kw">use</span> <span class="ident">std::collections::HashSet</span>; <span class="kw">use</span> <span class="ident">abstutil::prettyprint_usize</span>; <span class="kw">use</span> <span class="ident">geom</span>::{<span class="ident">Circle</span>, <span class="ident">Distance</span>, <span class="ident">Duration</span>, <span class="ident">Percent</span>, <span class="ident">Polygon</span>, <span class="ident">Pt2D</span>, <span class="ident">Time</span>, <span class="ident">UnitFmt</span>}; <span class="kw">use</span> <span class="kw">crate</span>::{<span class="ident">Color</span>, <span class="ident">EventCtx</span>, <span class="ident">GeomBatch</span>, <span class="ident">ScreenDims</span>, <span class="ident">TextExt</span>, <span class="ident">Toggle</span>, <span class="ident">Widget</span>}; <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Default</span>)]</span> <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">PlotOptions</span><span class="op"><</span><span class="ident">X</span>: <span class="ident">Axis</span><span class="op"><</span><span class="ident">X</span><span class="op">></span>, <span class="ident">Y</span>: <span class="ident">Axis</span><span class="op"><</span><span class="ident">Y</span><span class="op">></span><span class="op">></span> { <span class="kw">pub</span> <span class="ident">filterable</span>: <span class="ident">bool</span>, <span class="kw">pub</span> <span class="ident">max_x</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">X</span><span class="op">></span>, <span class="kw">pub</span> <span class="ident">max_y</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Y</span><span class="op">></span>, <span class="kw">pub</span> <span class="ident">disabled</span>: <span class="ident">HashSet</span><span class="op"><</span><span class="ident">String</span><span class="op">></span>, <span class="kw">pub</span> <span class="ident">dims</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">ScreenDims</span><span class="op">></span>, } <span class="kw">impl</span><span class="op"><</span><span class="ident">X</span>: <span class="ident">Axis</span><span class="op"><</span><span class="ident">X</span><span class="op">></span>, <span class="ident">Y</span>: <span class="ident">Axis</span><span class="op"><</span><span class="ident">Y</span><span class="op">></span><span class="op">></span> <span class="ident">PlotOptions</span><span class="op"><</span><span class="ident">X</span>, <span class="ident">Y</span><span class="op">></span> { <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">filterable</span>() -> <span class="ident">PlotOptions</span><span class="op"><</span><span class="ident">X</span>, <span class="ident">Y</span><span class="op">></span> { <span class="ident">PlotOptions</span> { <span class="ident">filterable</span>: <span class="bool-val">true</span>, ..<span class="ident">Default::default</span>() } } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">fixed</span>() -> <span class="ident">PlotOptions</span><span class="op"><</span><span class="ident">X</span>, <span class="ident">Y</span><span class="op">></span> { <span class="ident">PlotOptions</span> { <span class="ident">filterable</span>: <span class="bool-val">false</span>, ..<span class="ident">Default::default</span>() } } } <span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">Axis</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>: <span class="lifetime">'static</span> <span class="op">+</span> <span class="ident">Copy</span> <span class="op">+</span> <span class="ident">std::cmp::Ord</span> <span class="op">+</span> <span class="ident">Default</span> { <span class="comment">// percent is [0.0, 1.0]</span> <span class="kw">fn</span> <span class="ident">from_percent</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">percent</span>: <span class="ident">f64</span>) -> <span class="ident">T</span>; <span class="kw">fn</span> <span class="ident">to_percent</span>(<span class="self">self</span>, <span class="ident">max</span>: <span class="ident">T</span>) -> <span class="ident">f64</span>; <span class="kw">fn</span> <span class="ident">prettyprint</span>(<span class="self">self</span>, <span class="ident">unit_fmt</span>: <span class="kw-2">&</span><span class="ident">UnitFmt</span>) -> <span class="ident">String</span>; <span class="comment">// For order of magnitude calculations</span> <span class="kw">fn</span> <span class="ident">to_f64</span>(<span class="self">self</span>) -> <span class="ident">f64</span>; <span class="kw">fn</span> <span class="ident">from_f64</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">x</span>: <span class="ident">f64</span>) -> <span class="ident">T</span>; <span class="kw">fn</span> <span class="ident">zero</span>() -> <span class="ident">T</span>; } <span class="kw">impl</span> <span class="ident">Axis</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> <span class="kw">for</span> <span class="ident">usize</span> { <span class="kw">fn</span> <span class="ident">from_percent</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">percent</span>: <span class="ident">f64</span>) -> <span class="ident">usize</span> { ((<span class="kw-2">*</span><span class="self">self</span> <span class="kw">as</span> <span class="ident">f64</span>) <span class="op">*</span> <span class="ident">percent</span>) <span class="kw">as</span> <span class="ident">usize</span> } <span class="kw">fn</span> <span class="ident">to_percent</span>(<span class="self">self</span>, <span class="ident">max</span>: <span class="ident">usize</span>) -> <span class="ident">f64</span> { <span class="kw">if</span> <span class="ident">max</span> <span class="op">==</span> <span class="number">0</span> { <span class="number">0.0</span> } <span class="kw">else</span> { (<span class="self">self</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">fn</span> <span class="ident">prettyprint</span>(<span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&</span><span class="ident">UnitFmt</span>) -> <span class="ident">String</span> { <span class="ident">prettyprint_usize</span>(<span class="self">self</span>) } <span class="kw">fn</span> <span class="ident">to_f64</span>(<span class="self">self</span>) -> <span class="ident">f64</span> { <span class="self">self</span> <span class="kw">as</span> <span class="ident">f64</span> } <span class="kw">fn</span> <span class="ident">from_f64</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">x</span>: <span class="ident">f64</span>) -> <span class="ident">usize</span> { <span class="ident">x</span> <span class="kw">as</span> <span class="ident">usize</span> } <span class="kw">fn</span> <span class="ident">zero</span>() -> <span class="ident">usize</span> { <span class="number">0</span> } } <span class="kw">impl</span> <span class="ident">Axis</span><span class="op"><</span><span class="ident">Duration</span><span class="op">></span> <span class="kw">for</span> <span class="ident">Duration</span> { <span class="kw">fn</span> <span class="ident">from_percent</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">percent</span>: <span class="ident">f64</span>) -> <span class="ident">Duration</span> { <span class="kw-2">*</span><span class="self">self</span> <span class="op">*</span> <span class="ident">percent</span> } <span class="kw">fn</span> <span class="ident">to_percent</span>(<span class="self">self</span>, <span class="ident">max</span>: <span class="ident">Duration</span>) -> <span class="ident">f64</span> { <span class="kw">if</span> <span class="ident">max</span> <span class="op">==</span> <span class="ident">Duration::ZERO</span> { <span class="number">0.0</span> } <span class="kw">else</span> { <span class="self">self</span> <span class="op">/</span> <span class="ident">max</span> } } <span class="kw">fn</span> <span class="ident">prettyprint</span>(<span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&</span><span class="ident">UnitFmt</span>) -> <span class="ident">String</span> { <span class="self">self</span>.<span class="ident">to_string</span>(<span class="kw-2">&</span><span class="ident">UnitFmt</span> { <span class="ident">metric</span>: <span class="bool-val">false</span>, <span class="ident">round_durations</span>: <span class="bool-val">true</span>, }) } <span class="kw">fn</span> <span class="ident">to_f64</span>(<span class="self">self</span>) -> <span class="ident">f64</span> { <span class="self">self</span>.<span class="ident">inner_seconds</span>() <span class="kw">as</span> <span class="ident">f64</span> } <span class="kw">fn</span> <span class="ident">from_f64</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">x</span>: <span class="ident">f64</span>) -> <span class="ident">Duration</span> { <span class="ident">Duration::seconds</span>(<span class="ident">x</span> <span class="kw">as</span> <span class="ident">f64</span>) } <span class="kw">fn</span> <span class="ident">zero</span>() -> <span class="ident">Duration</span> { <span class="ident">Duration::ZERO</span> } } <span class="kw">impl</span> <span class="ident">Axis</span><span class="op"><</span><span class="ident">Time</span><span class="op">></span> <span class="kw">for</span> <span class="ident">Time</span> { <span class="kw">fn</span> <span class="ident">from_percent</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">percent</span>: <span class="ident">f64</span>) -> <span class="ident">Time</span> { <span class="self">self</span>.<span class="ident">percent_of</span>(<span class="ident">percent</span>) } <span class="kw">fn</span> <span class="ident">to_percent</span>(<span class="self">self</span>, <span class="ident">max</span>: <span class="ident">Time</span>) -> <span class="ident">f64</span> { <span class="kw">if</span> <span class="ident">max</span> <span class="op">==</span> <span class="ident">Time::START_OF_DAY</span> { <span class="number">0.0</span> } <span class="kw">else</span> { <span class="self">self</span>.<span class="ident">to_percent</span>(<span class="ident">max</span>) } } <span class="kw">fn</span> <span class="ident">prettyprint</span>(<span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&</span><span class="ident">UnitFmt</span>) -> <span class="ident">String</span> { <span class="self">self</span>.<span class="ident">ampm_tostring</span>() } <span class="kw">fn</span> <span class="ident">to_f64</span>(<span class="self">self</span>) -> <span class="ident">f64</span> { <span class="self">self</span>.<span class="ident">inner_seconds</span>() <span class="kw">as</span> <span class="ident">f64</span> } <span class="kw">fn</span> <span class="ident">from_f64</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">x</span>: <span class="ident">f64</span>) -> <span class="ident">Time</span> { <span class="ident">Time::START_OF_DAY</span> <span class="op">+</span> <span class="ident">Duration::seconds</span>(<span class="ident">x</span> <span class="kw">as</span> <span class="ident">f64</span>) } <span class="kw">fn</span> <span class="ident">zero</span>() -> <span class="ident">Time</span> { <span class="ident">Time::START_OF_DAY</span> } } <span class="kw">impl</span> <span class="ident">Axis</span><span class="op"><</span><span class="ident">Distance</span><span class="op">></span> <span class="kw">for</span> <span class="ident">Distance</span> { <span class="kw">fn</span> <span class="ident">from_percent</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">percent</span>: <span class="ident">f64</span>) -> <span class="ident">Distance</span> { <span class="kw-2">*</span><span class="self">self</span> <span class="op">*</span> <span class="ident">percent</span> } <span class="kw">fn</span> <span class="ident">to_percent</span>(<span class="self">self</span>, <span class="ident">max</span>: <span class="ident">Distance</span>) -> <span class="ident">f64</span> { <span class="kw">if</span> <span class="ident">max</span> <span class="op">==</span> <span class="ident">Distance::ZERO</span> { <span class="number">0.0</span> } <span class="kw">else</span> { <span class="self">self</span> <span class="op">/</span> <span class="ident">max</span> } } <span class="kw">fn</span> <span class="ident">prettyprint</span>(<span class="self">self</span>, <span class="ident">unit_fmt</span>: <span class="kw-2">&</span><span class="ident">UnitFmt</span>) -> <span class="ident">String</span> { <span class="self">self</span>.<span class="ident">to_string</span>(<span class="ident">unit_fmt</span>) } <span class="kw">fn</span> <span class="ident">to_f64</span>(<span class="self">self</span>) -> <span class="ident">f64</span> { <span class="self">self</span>.<span class="ident">inner_meters</span>() <span class="kw">as</span> <span class="ident">f64</span> } <span class="kw">fn</span> <span class="ident">from_f64</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">x</span>: <span class="ident">f64</span>) -> <span class="ident">Distance</span> { <span class="ident">Distance::meters</span>(<span class="ident">x</span> <span class="kw">as</span> <span class="ident">f64</span>) } <span class="kw">fn</span> <span class="ident">zero</span>() -> <span class="ident">Distance</span> { <span class="ident">Distance::ZERO</span> } } <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Series</span><span class="op"><</span><span class="ident">X</span>, <span class="ident">Y</span><span class="op">></span> { <span class="kw">pub</span> <span class="ident">label</span>: <span class="ident">String</span>, <span class="kw">pub</span> <span class="ident">color</span>: <span class="ident">Color</span>, <span class="comment">// Assume this is sorted by X.</span> <span class="kw">pub</span> <span class="ident">pts</span>: <span class="ident">Vec</span><span class="op"><</span>(<span class="ident">X</span>, <span class="ident">Y</span>)<span class="op">></span>, } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">make_legend</span><span class="op"><</span><span class="ident">X</span>: <span class="ident">Axis</span><span class="op"><</span><span class="ident">X</span><span class="op">></span>, <span class="ident">Y</span>: <span class="ident">Axis</span><span class="op"><</span><span class="ident">Y</span><span class="op">></span><span class="op">></span>( <span class="ident">ctx</span>: <span class="kw-2">&</span><span class="ident">EventCtx</span>, <span class="ident">series</span>: <span class="kw-2">&</span>[<span class="ident">Series</span><span class="op"><</span><span class="ident">X</span>, <span class="ident">Y</span><span class="op">></span>], <span class="ident">opts</span>: <span class="kw-2">&</span><span class="ident">PlotOptions</span><span class="op"><</span><span class="ident">X</span>, <span class="ident">Y</span><span class="op">></span>, ) -> <span class="ident">Widget</span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">row</span> <span class="op">=</span> <span class="ident">Vec::new</span>(); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">seen</span> <span class="op">=</span> <span class="ident">HashSet::new</span>(); <span class="kw">for</span> <span class="ident">s</span> <span class="kw">in</span> <span class="ident">series</span> { <span class="kw">if</span> <span class="ident">seen</span>.<span class="ident">contains</span>(<span class="kw-2">&</span><span class="ident">s</span>.<span class="ident">label</span>) { <span class="kw">continue</span>; } <span class="ident">seen</span>.<span class="ident">insert</span>(<span class="ident">s</span>.<span class="ident">label</span>.<span class="ident">clone</span>()); <span class="kw">if</span> <span class="ident">opts</span>.<span class="ident">filterable</span> { <span class="ident">row</span>.<span class="ident">push</span>(<span class="ident">Toggle::colored_checkbox</span>( <span class="ident">ctx</span>, <span class="kw-2">&</span><span class="ident">s</span>.<span class="ident">label</span>, <span class="ident">s</span>.<span class="ident">color</span>, <span class="op">!</span><span class="ident">opts</span>.<span class="ident">disabled</span>.<span class="ident">contains</span>(<span class="kw-2">&</span><span class="ident">s</span>.<span class="ident">label</span>), )); } <span class="kw">else</span> { <span class="kw">let</span> <span class="ident">radius</span> <span class="op">=</span> <span class="number">15.0</span>; <span class="ident">row</span>.<span class="ident">push</span>(<span class="ident">Widget::row</span>(<span class="macro">vec!</span>[ <span class="ident">GeomBatch::from</span>(<span class="macro">vec!</span>[( <span class="ident">s</span>.<span class="ident">color</span>, <span class="ident">Circle::new</span>(<span class="ident">Pt2D::new</span>(<span class="ident">radius</span>, <span class="ident">radius</span>), <span class="ident">Distance::meters</span>(<span class="ident">radius</span>)).<span class="ident">to_polygon</span>(), )]) .<span class="ident">into_widget</span>(<span class="ident">ctx</span>), <span class="ident">s</span>.<span class="ident">label</span>.<span class="ident">clone</span>().<span class="ident">text_widget</span>(<span class="ident">ctx</span>), ])); } } <span class="kw">match</span> <span class="ident">opts</span>.<span class="ident">dims</span> { <span class="prelude-val">Some</span>(<span class="ident">ScreenDims</span> { <span class="ident">width</span>, .. }) => <span class="ident">Widget::custom_row</span>(<span class="ident">row</span>).<span class="ident">force_width</span>(<span class="ident">width</span>), <span class="kw">_</span> => <span class="ident">Widget::custom_row</span>(<span class="ident">row</span>).<span class="ident">flex_wrap</span>(<span class="ident">ctx</span>, <span class="ident">Percent::int</span>(<span class="number">24</span>)), } } <span class="comment">// TODO If this proves useful, lift to geom</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">thick_lineseries</span>(<span class="ident">pts</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">Pt2D</span><span class="op">></span>, <span class="ident">width</span>: <span class="ident">Distance</span>) -> <span class="ident">Polygon</span> { <span class="kw">use</span> <span class="ident">lyon::math</span>::{<span class="ident">point</span>, <span class="ident">Point</span>}; <span class="kw">use</span> <span class="ident">lyon::path::Path</span>; <span class="kw">use</span> <span class="ident">lyon::tessellation::geometry_builder</span>::{<span class="ident">BuffersBuilder</span>, <span class="ident">Positions</span>, <span class="ident">VertexBuffers</span>}; <span class="kw">use</span> <span class="ident">lyon::tessellation</span>::{<span class="ident">StrokeOptions</span>, <span class="ident">StrokeTessellator</span>}; <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">builder</span> <span class="op">=</span> <span class="ident">Path::builder</span>(); <span class="kw">for</span> (<span class="ident">idx</span>, <span class="ident">pt</span>) <span class="kw">in</span> <span class="ident">pts</span>.<span class="ident">into_iter</span>().<span class="ident">enumerate</span>() { <span class="kw">let</span> <span class="ident">pt</span> <span class="op">=</span> <span class="ident">point</span>(<span class="ident">pt</span>.<span class="ident">x</span>() <span class="kw">as</span> <span class="ident">f32</span>, <span class="ident">pt</span>.<span class="ident">y</span>() <span class="kw">as</span> <span class="ident">f32</span>); <span class="kw">if</span> <span class="ident">idx</span> <span class="op">==</span> <span class="number">0</span> { <span class="ident">builder</span>.<span class="ident">move_to</span>(<span class="ident">pt</span>); } <span class="kw">else</span> { <span class="ident">builder</span>.<span class="ident">line_to</span>(<span class="ident">pt</span>); } } <span class="kw">let</span> <span class="ident">path</span> <span class="op">=</span> <span class="ident">builder</span>.<span class="ident">build</span>(); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">geom</span>: <span class="ident">VertexBuffers</span><span class="op"><</span><span class="ident">Point</span>, <span class="ident">u32</span><span class="op">></span> <span class="op">=</span> <span class="ident">VertexBuffers::new</span>(); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buffer</span> <span class="op">=</span> <span class="ident">BuffersBuilder::new</span>(<span class="kw-2">&mut</span> <span class="ident">geom</span>, <span class="ident">Positions</span>); <span class="ident">StrokeTessellator::new</span>() .<span class="ident">tessellate</span>( <span class="kw-2">&</span><span class="ident">path</span>, <span class="kw-2">&</span><span class="ident">StrokeOptions::tolerance</span>(<span class="number">0.01</span>).<span class="ident">with_line_width</span>(<span class="ident">width</span>.<span class="ident">inner_meters</span>() <span class="kw">as</span> <span class="ident">f32</span>), <span class="kw-2">&mut</span> <span class="ident">buffer</span>, ) .<span class="ident">unwrap</span>(); <span class="ident">Polygon::precomputed</span>( <span class="ident">geom</span>.<span class="ident">vertices</span> .<span class="ident">into_iter</span>() .<span class="ident">map</span>(<span class="op">|</span><span class="ident">v</span><span class="op">|</span> <span class="ident">Pt2D::new</span>(<span class="ident">f64::from</span>(<span class="ident">v</span>.<span class="ident">x</span>), <span class="ident">f64::from</span>(<span class="ident">v</span>.<span class="ident">y</span>))) .<span class="ident">collect</span>(), <span class="ident">geom</span>.<span class="ident">indices</span>.<span class="ident">into_iter</span>().<span class="ident">map</span>(<span class="op">|</span><span class="ident">idx</span><span class="op">|</span> <span class="ident">idx</span> <span class="kw">as</span> <span class="ident">usize</span>).<span class="ident">collect</span>(), ) } </code></pre></div> </section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="widgetry" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0 (7737e0b5c 2022-04-04)" ></div> </body></html>