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</pre><div class="example-wrap"><pre class="rust ">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">collections</span>::<span class="ident">hash_map</span>::<span class="ident">DefaultHasher</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fmt</span>::<span class="ident">Write</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">hash</span>::<span class="ident">Hasher</span>;

<span class="kw">use</span> <span class="ident">geom</span>::{<span class="ident">PolyLine</span>, <span class="ident">Polygon</span>};

<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">assets</span>::<span class="ident">Assets</span>;
<span class="kw">use</span> <span class="kw">crate</span>::{
    <span class="ident">svg</span>, <span class="ident">Color</span>, <span class="ident">DeferDraw</span>, <span class="ident">EventCtx</span>, <span class="ident">GeomBatch</span>, <span class="ident">JustDraw</span>, <span class="ident">MultiKey</span>, <span class="ident">Prerender</span>, <span class="ident">ScreenDims</span>, <span class="ident">Widget</span>,
};

<span class="comment">// Same as body()</span>
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">DEFAULT_FONT</span>: <span class="ident">Font</span> <span class="op">=</span> <span class="ident">Font</span>::<span class="ident">OverpassRegular</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">DEFAULT_FONT_SIZE</span>: <span class="ident">usize</span> <span class="op">=</span> <span class="number">21</span>;
<span class="kw">const</span> <span class="ident">DEFAULT_FG_COLOR</span>: <span class="ident">Color</span> <span class="op">=</span> <span class="ident">Color</span>::<span class="ident">WHITE</span>;

<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">BG_COLOR</span>: <span class="ident">Color</span> <span class="op">=</span> <span class="ident">Color</span>::<span class="ident">grey</span>(<span class="number">0.3</span>);
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">SELECTED_COLOR</span>: <span class="ident">Color</span> <span class="op">=</span> <span class="ident">Color</span>::<span class="ident">grey</span>(<span class="number">0.5</span>);
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">INACTIVE_CHOICE_COLOR</span>: <span class="ident">Color</span> <span class="op">=</span> <span class="ident">Color</span>::<span class="ident">grey</span>(<span class="number">0.8</span>);
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">SCALE_LINE_HEIGHT</span>: <span class="ident">f64</span> <span class="op">=</span> <span class="number">1.2</span>;

<span class="comment">// TODO Almost gone!</span>
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">MAX_CHAR_WIDTH</span>: <span class="ident">f64</span> <span class="op">=</span> <span class="number">25.0</span>;

<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">Clone</span>, <span class="ident">Copy</span>, <span class="ident">PartialEq</span>, <span class="ident">Eq</span>, <span class="ident">Hash</span>)]</span>
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">Font</span> {
    <span class="ident">BungeeInlineRegular</span>,
    <span class="ident">BungeeRegular</span>,
    <span class="ident">OverpassBold</span>,
    <span class="ident">OverpassRegular</span>,
    <span class="ident">OverpassSemiBold</span>,
    <span class="ident">OverpassMonoBold</span>,
    <span class="ident">ZcoolXiaoWei</span>,
}

<span class="kw">impl</span> <span class="ident">Font</span> {
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">family</span>(<span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="kw-2">&amp;</span><span class="lifetime">&#39;static</span> <span class="ident">str</span> {
        <span class="kw">match</span> <span class="self">self</span> {
            <span class="ident">Font</span>::<span class="ident">BungeeInlineRegular</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;Bungee Inline&quot;</span>,
            <span class="ident">Font</span>::<span class="ident">BungeeRegular</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;Bungee&quot;</span>,
            <span class="ident">Font</span>::<span class="ident">OverpassBold</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;Overpass&quot;</span>,
            <span class="ident">Font</span>::<span class="ident">OverpassRegular</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;Overpass&quot;</span>,
            <span class="ident">Font</span>::<span class="ident">OverpassSemiBold</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;Overpass&quot;</span>,
            <span class="ident">Font</span>::<span class="ident">OverpassMonoBold</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;Overpass Mono&quot;</span>,
            <span class="ident">Font</span>::<span class="ident">ZcoolXiaoWei</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;ZCOOL XiaoWei&quot;</span>,
        }
    }
}

<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">Clone</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">TextSpan</span> {
    <span class="ident">text</span>: <span class="ident">String</span>,
    <span class="ident">fg_color</span>: <span class="ident">Color</span>,
    <span class="ident">size</span>: <span class="ident">usize</span>,
    <span class="ident">font</span>: <span class="ident">Font</span>,
    <span class="ident">underlined</span>: <span class="ident">bool</span>,
}

<span class="kw">impl</span> <span class="ident">TextSpan</span> {
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">fg</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">color</span>: <span class="ident">Color</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">TextSpan</span> {
        <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="self">self</span>.<span class="ident">fg_color</span>, <span class="ident">DEFAULT_FG_COLOR</span>);
        <span class="self">self</span>.<span class="ident">fg_color</span> <span class="op">=</span> <span class="ident">color</span>;
        <span class="self">self</span>
    }
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">maybe_fg</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">color</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">Color</span><span class="op">&gt;</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">TextSpan</span> {
        <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="self">self</span>.<span class="ident">fg_color</span>, <span class="ident">DEFAULT_FG_COLOR</span>);
        <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">c</span>) <span class="op">=</span> <span class="ident">color</span> {
            <span class="self">self</span>.<span class="ident">fg_color</span> <span class="op">=</span> <span class="ident">c</span>;
        }
        <span class="self">self</span>
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">draw</span>(<span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="ident">EventCtx</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Widget</span> {
        <span class="ident">Text</span>::<span class="ident">from</span>(<span class="self">self</span>).<span class="ident">draw</span>(<span class="ident">ctx</span>)
    }
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">batch</span>(<span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="ident">EventCtx</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Widget</span> {
        <span class="ident">Text</span>::<span class="ident">from</span>(<span class="self">self</span>).<span class="ident">batch</span>(<span class="ident">ctx</span>)
    }

    <span class="comment">// Yuwen&#39;s new styles, defined in Figma. Should document them in Github better.</span>

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">display_title</span>(<span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">TextSpan</span> {
        <span class="self">self</span>.<span class="ident">font</span> <span class="op">=</span> <span class="ident">Font</span>::<span class="ident">BungeeInlineRegular</span>;
        <span class="self">self</span>.<span class="ident">size</span> <span class="op">=</span> <span class="number">64</span>;
        <span class="self">self</span>
    }
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">big_heading_styled</span>(<span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">TextSpan</span> {
        <span class="self">self</span>.<span class="ident">font</span> <span class="op">=</span> <span class="ident">Font</span>::<span class="ident">BungeeRegular</span>;
        <span class="self">self</span>.<span class="ident">size</span> <span class="op">=</span> <span class="number">32</span>;
        <span class="self">self</span>
    }
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">big_heading_plain</span>(<span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">TextSpan</span> {
        <span class="self">self</span>.<span class="ident">font</span> <span class="op">=</span> <span class="ident">Font</span>::<span class="ident">OverpassBold</span>;
        <span class="self">self</span>.<span class="ident">size</span> <span class="op">=</span> <span class="number">32</span>;
        <span class="self">self</span>
    }
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">small_heading</span>(<span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">TextSpan</span> {
        <span class="self">self</span>.<span class="ident">font</span> <span class="op">=</span> <span class="ident">Font</span>::<span class="ident">OverpassSemiBold</span>;
        <span class="self">self</span>.<span class="ident">size</span> <span class="op">=</span> <span class="number">26</span>;
        <span class="self">self</span>
    }
    <span class="comment">// The default</span>
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">body</span>(<span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">TextSpan</span> {
        <span class="self">self</span>.<span class="ident">font</span> <span class="op">=</span> <span class="ident">Font</span>::<span class="ident">OverpassRegular</span>;
        <span class="self">self</span>.<span class="ident">size</span> <span class="op">=</span> <span class="number">21</span>;
        <span class="self">self</span>
    }
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">secondary</span>(<span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">TextSpan</span> {
        <span class="self">self</span>.<span class="ident">font</span> <span class="op">=</span> <span class="ident">Font</span>::<span class="ident">OverpassRegular</span>;
        <span class="self">self</span>.<span class="ident">size</span> <span class="op">=</span> <span class="number">21</span>;
        <span class="self">self</span>.<span class="ident">fg_color</span> <span class="op">=</span> <span class="ident">Color</span>::<span class="ident">hex</span>(<span class="string">&quot;#A3A3A3&quot;</span>);
        <span class="self">self</span>
    }
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">small</span>(<span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">TextSpan</span> {
        <span class="self">self</span>.<span class="ident">font</span> <span class="op">=</span> <span class="ident">Font</span>::<span class="ident">OverpassRegular</span>;
        <span class="self">self</span>.<span class="ident">size</span> <span class="op">=</span> <span class="number">16</span>;
        <span class="self">self</span>
    }
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">big_monospaced</span>(<span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">TextSpan</span> {
        <span class="self">self</span>.<span class="ident">font</span> <span class="op">=</span> <span class="ident">Font</span>::<span class="ident">OverpassMonoBold</span>;
        <span class="self">self</span>.<span class="ident">size</span> <span class="op">=</span> <span class="number">32</span>;
        <span class="self">self</span>
    }
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">small_monospaced</span>(<span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">TextSpan</span> {
        <span class="self">self</span>.<span class="ident">font</span> <span class="op">=</span> <span class="ident">Font</span>::<span class="ident">OverpassMonoBold</span>;
        <span class="self">self</span>.<span class="ident">size</span> <span class="op">=</span> <span class="number">16</span>;
        <span class="self">self</span>
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">underlined</span>(<span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">TextSpan</span> {
        <span class="self">self</span>.<span class="ident">underlined</span> <span class="op">=</span> <span class="bool-val">true</span>;
        <span class="self">self</span>
    }
}

<span class="comment">// TODO What&#39;s the better way of doing this? Also &quot;Line&quot; is a bit of a misnomer</span>
<span class="attribute">#[<span class="ident">allow</span>(<span class="ident">non_snake_case</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">Line</span><span class="op">&lt;</span><span class="ident">S</span>: <span class="ident">Into</span><span class="op">&lt;</span><span class="ident">String</span><span class="op">&gt;</span><span class="op">&gt;</span>(<span class="ident">text</span>: <span class="ident">S</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">TextSpan</span> {
    <span class="ident">TextSpan</span> {
        <span class="ident">text</span>: <span class="ident">text</span>.<span class="ident">into</span>(),
        <span class="ident">fg_color</span>: <span class="ident">DEFAULT_FG_COLOR</span>,
        <span class="ident">size</span>: <span class="ident">DEFAULT_FONT_SIZE</span>,
        <span class="ident">font</span>: <span class="ident">DEFAULT_FONT</span>,
        <span class="ident">underlined</span>: <span class="bool-val">false</span>,
    }
}

<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">Clone</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Text</span> {
    <span class="comment">// The bg_color will cover the entire block, but some lines can have extra highlighting.</span>
    <span class="ident">lines</span>: <span class="ident">Vec</span><span class="op">&lt;</span>(<span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">Color</span><span class="op">&gt;</span>, <span class="ident">Vec</span><span class="op">&lt;</span><span class="ident">TextSpan</span><span class="op">&gt;</span>)<span class="op">&gt;</span>,
    <span class="comment">// TODO Stop using this as much as possible.</span>
    <span class="ident">bg_color</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">Color</span><span class="op">&gt;</span>,
}

<span class="kw">impl</span> <span class="ident">Text</span> {
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>() <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Text</span> {
        <span class="ident">Text</span> {
            <span class="ident">lines</span>: <span class="ident">Vec</span>::<span class="ident">new</span>(),
            <span class="ident">bg_color</span>: <span class="prelude-val">None</span>,
        }
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">line</span>: <span class="ident">TextSpan</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Text</span> {
        <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">txt</span> <span class="op">=</span> <span class="ident">Text</span>::<span class="ident">new</span>();
        <span class="ident">txt</span>.<span class="ident">add</span>(<span class="ident">line</span>);
        <span class="ident">txt</span>
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">from_all</span>(<span class="ident">lines</span>: <span class="ident">Vec</span><span class="op">&lt;</span><span class="ident">TextSpan</span><span class="op">&gt;</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Text</span> {
        <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">txt</span> <span class="op">=</span> <span class="ident">Text</span>::<span class="ident">new</span>();
        <span class="kw">for</span> <span class="ident">l</span> <span class="kw">in</span> <span class="ident">lines</span> {
            <span class="ident">txt</span>.<span class="ident">append</span>(<span class="ident">l</span>);
        }
        <span class="ident">txt</span>
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">from_multiline</span>(<span class="ident">lines</span>: <span class="ident">Vec</span><span class="op">&lt;</span><span class="ident">TextSpan</span><span class="op">&gt;</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Text</span> {
        <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">txt</span> <span class="op">=</span> <span class="ident">Text</span>::<span class="ident">new</span>();
        <span class="kw">for</span> <span class="ident">l</span> <span class="kw">in</span> <span class="ident">lines</span> {
            <span class="ident">txt</span>.<span class="ident">add</span>(<span class="ident">l</span>);
        }
        <span class="ident">txt</span>
    }

    <span class="comment">// TODO Remove this</span>
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">with_bg</span>(<span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Text</span> {
        <span class="macro">assert</span><span class="macro">!</span>(<span class="self">self</span>.<span class="ident">bg_color</span>.<span class="ident">is_none</span>());
        <span class="self">self</span>.<span class="ident">bg_color</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">BG_COLOR</span>);
        <span class="self">self</span>
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">bg</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">bg</span>: <span class="ident">Color</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Text</span> {
        <span class="macro">assert</span><span class="macro">!</span>(<span class="self">self</span>.<span class="ident">bg_color</span>.<span class="ident">is_none</span>());
        <span class="self">self</span>.<span class="ident">bg_color</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">bg</span>);
        <span class="self">self</span>
    }

    <span class="comment">// TODO Not exactly sure this is the right place for this, but better than code duplication</span>
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">tooltip</span><span class="op">&lt;</span><span class="ident">MK</span>: <span class="ident">Into</span><span class="op">&lt;</span><span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">MultiKey</span><span class="op">&gt;</span><span class="op">&gt;</span><span class="op">&gt;</span>(<span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="ident">EventCtx</span>, <span class="ident">hotkey</span>: <span class="ident">MK</span>, <span class="ident">action</span>: <span class="kw-2">&amp;</span><span class="ident">str</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Text</span> {
        <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">key</span>) <span class="op">=</span> <span class="ident">hotkey</span>.<span class="ident">into</span>() {
            <span class="ident">Text</span>::<span class="ident">from_all</span>(<span class="macro">vec</span><span class="macro">!</span>[
                <span class="ident">Line</span>(<span class="ident">key</span>.<span class="ident">describe</span>()).<span class="ident">fg</span>(<span class="ident">ctx</span>.<span class="ident">style</span>().<span class="ident">hotkey_color</span>).<span class="ident">small</span>(),
                <span class="ident">Line</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">&quot; - {}&quot;</span>, <span class="ident">action</span>)).<span class="ident">small</span>(),
            ])
        } <span class="kw">else</span> {
            <span class="ident">Text</span>::<span class="ident">from</span>(<span class="ident">Line</span>(<span class="ident">action</span>).<span class="ident">small</span>())
        }
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">change_fg</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">fg</span>: <span class="ident">Color</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Text</span> {
        <span class="kw">for</span> (<span class="kw">_</span>, <span class="ident">spans</span>) <span class="kw">in</span> <span class="self">self</span>.<span class="ident">lines</span>.<span class="ident">iter_mut</span>() {
            <span class="kw">for</span> <span class="ident">span</span> <span class="kw">in</span> <span class="ident">spans</span> {
                <span class="ident">span</span>.<span class="ident">fg_color</span> <span class="op">=</span> <span class="ident">fg</span>;
            }
        }
        <span class="self">self</span>
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">add</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">line</span>: <span class="ident">TextSpan</span>) {
        <span class="self">self</span>.<span class="ident">lines</span>.<span class="ident">push</span>((<span class="prelude-val">None</span>, <span class="macro">vec</span><span class="macro">!</span>[<span class="ident">line</span>]));
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">add_highlighted</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">line</span>: <span class="ident">TextSpan</span>, <span class="ident">highlight</span>: <span class="ident">Color</span>) {
        <span class="self">self</span>.<span class="ident">lines</span>.<span class="ident">push</span>((<span class="prelude-val">Some</span>(<span class="ident">highlight</span>), <span class="macro">vec</span><span class="macro">!</span>[<span class="ident">line</span>]));
    }

    <span class="comment">// TODO Just one user...</span>
    <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">highlight_last_line</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">highlight</span>: <span class="ident">Color</span>) {
        <span class="self">self</span>.<span class="ident">lines</span>.<span class="ident">last_mut</span>().<span class="ident">unwrap</span>().<span class="number">0</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">highlight</span>);
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">append</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">line</span>: <span class="ident">TextSpan</span>) {
        <span class="kw">if</span> <span class="self">self</span>.<span class="ident">lines</span>.<span class="ident">is_empty</span>() {
            <span class="self">self</span>.<span class="ident">add</span>(<span class="ident">line</span>);
            <span class="kw">return</span>;
        }

        <span class="comment">// Can&#39;t override the size or font mid-line.</span>
        <span class="kw">let</span> <span class="ident">last</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">lines</span>.<span class="ident">last</span>().<span class="ident">unwrap</span>().<span class="number">1</span>.<span class="ident">last</span>().<span class="ident">unwrap</span>();
        <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">line</span>.<span class="ident">size</span>, <span class="ident">last</span>.<span class="ident">size</span>);
        <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">line</span>.<span class="ident">font</span>, <span class="ident">last</span>.<span class="ident">font</span>);

        <span class="self">self</span>.<span class="ident">lines</span>.<span class="ident">last_mut</span>().<span class="ident">unwrap</span>().<span class="number">1</span>.<span class="ident">push</span>(<span class="ident">line</span>);
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">add_appended</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">lines</span>: <span class="ident">Vec</span><span class="op">&lt;</span><span class="ident">TextSpan</span><span class="op">&gt;</span>) {
        <span class="kw">for</span> (<span class="ident">idx</span>, <span class="ident">l</span>) <span class="kw">in</span> <span class="ident">lines</span>.<span class="ident">into_iter</span>().<span class="ident">enumerate</span>() {
            <span class="kw">if</span> <span class="ident">idx</span> <span class="op">=</span><span class="op">=</span> <span class="number">0</span> {
                <span class="self">self</span>.<span class="ident">add</span>(<span class="ident">l</span>);
            } <span class="kw">else</span> {
                <span class="self">self</span>.<span class="ident">append</span>(<span class="ident">l</span>);
            }
        }
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">append_all</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">lines</span>: <span class="ident">Vec</span><span class="op">&lt;</span><span class="ident">TextSpan</span><span class="op">&gt;</span>) {
        <span class="kw">for</span> <span class="ident">l</span> <span class="kw">in</span> <span class="ident">lines</span> {
            <span class="self">self</span>.<span class="ident">append</span>(<span class="ident">l</span>);
        }
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">is_empty</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">bool</span> {
        <span class="self">self</span>.<span class="ident">lines</span>.<span class="ident">is_empty</span>()
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">extend</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">other</span>: <span class="ident">Text</span>) {
        <span class="self">self</span>.<span class="ident">lines</span>.<span class="ident">extend</span>(<span class="ident">other</span>.<span class="ident">lines</span>);
    }

    <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">dims</span>(<span class="self">self</span>, <span class="ident">assets</span>: <span class="kw-2">&amp;</span><span class="ident">Assets</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">ScreenDims</span> {
        <span class="self">self</span>.<span class="ident">render</span>(<span class="ident">assets</span>).<span class="ident">get_dims</span>()
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">render</span><span class="op">&lt;</span><span class="lifetime">&#39;a</span>, <span class="ident">A</span>: <span class="ident">AsRef</span><span class="op">&lt;</span><span class="ident">Assets</span><span class="op">&gt;</span><span class="op">&gt;</span>(<span class="self">self</span>, <span class="ident">assets</span>: <span class="kw-2">&amp;</span><span class="ident">A</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">GeomBatch</span> {
        <span class="kw">let</span> <span class="ident">assets</span>: <span class="kw-2">&amp;</span><span class="ident">Assets</span> <span class="op">=</span> <span class="ident">assets</span>.<span class="ident">as_ref</span>();
        <span class="self">self</span>.<span class="ident">inner_render</span>(<span class="ident">assets</span>, <span class="ident">svg</span>::<span class="ident">HIGH_QUALITY</span>)
    }

    <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">inner_render</span>(<span class="self">self</span>, <span class="ident">assets</span>: <span class="kw-2">&amp;</span><span class="ident">Assets</span>, <span class="ident">tolerance</span>: <span class="ident">f32</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">GeomBatch</span> {
        <span class="kw">let</span> <span class="ident">hash_key</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">hash_key</span>();
        <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">batch</span>) <span class="op">=</span> <span class="ident">assets</span>.<span class="ident">get_cached_text</span>(<span class="kw-2">&amp;</span><span class="ident">hash_key</span>) {
            <span class="kw">return</span> <span class="ident">batch</span>;
        }

        <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">output_batch</span> <span class="op">=</span> <span class="ident">GeomBatch</span>::<span class="ident">new</span>();
        <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">master_batch</span> <span class="op">=</span> <span class="ident">GeomBatch</span>::<span class="ident">new</span>();

        <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">y</span> <span class="op">=</span> <span class="number">0.0</span>;
        <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">max_width</span> <span class="op">=</span> <span class="number">0.0_f64</span>;
        <span class="kw">for</span> (<span class="ident">line_color</span>, <span class="ident">line</span>) <span class="kw">in</span> <span class="self">self</span>.<span class="ident">lines</span> {
            <span class="comment">// Assume size doesn&#39;t change mid-line. Always use this fixed line height per font</span>
            <span class="comment">// size.</span>
            <span class="kw">let</span> <span class="ident">line_height</span> <span class="op">=</span> <span class="ident">assets</span>.<span class="ident">line_height</span>(<span class="ident">line</span>[<span class="number">0</span>].<span class="ident">font</span>, <span class="ident">line</span>[<span class="number">0</span>].<span class="ident">size</span>);

            <span class="kw">let</span> <span class="ident">line_batch</span> <span class="op">=</span> <span class="ident">render_line</span>(<span class="ident">line</span>, <span class="ident">tolerance</span>, <span class="ident">assets</span>);
            <span class="kw">let</span> <span class="ident">line_dims</span> <span class="op">=</span> <span class="kw">if</span> <span class="ident">line_batch</span>.<span class="ident">is_empty</span>() {
                <span class="ident">ScreenDims</span>::<span class="ident">new</span>(<span class="number">0.0</span>, <span class="ident">line_height</span>)
            } <span class="kw">else</span> {
                <span class="comment">// Also lie a little about width to make things look reasonable. TODO Probably</span>
                <span class="comment">// should tune based on font size.</span>
                <span class="ident">ScreenDims</span>::<span class="ident">new</span>(<span class="ident">line_batch</span>.<span class="ident">get_dims</span>().<span class="ident">width</span> <span class="op">+</span> <span class="number">5.0</span>, <span class="ident">line_height</span>)
            };

            <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">c</span>) <span class="op">=</span> <span class="ident">line_color</span> {
                <span class="ident">master_batch</span>.<span class="ident">push</span>(
                    <span class="ident">c</span>,
                    <span class="ident">Polygon</span>::<span class="ident">rectangle</span>(<span class="ident">line_dims</span>.<span class="ident">width</span>, <span class="ident">line_dims</span>.<span class="ident">height</span>).<span class="ident">translate</span>(<span class="number">0.0</span>, <span class="ident">y</span>),
                );
            }

            <span class="ident">y</span> <span class="op">+</span><span class="op">=</span> <span class="ident">line_dims</span>.<span class="ident">height</span>;

            <span class="comment">// Add all of the padding at the bottom of the line.</span>
            <span class="kw">let</span> <span class="ident">offset</span> <span class="op">=</span> <span class="ident">line_height</span> <span class="op">/</span> <span class="ident">SCALE_LINE_HEIGHT</span> <span class="op">*</span> <span class="number">0.2</span>;
            <span class="ident">master_batch</span>.<span class="ident">append</span>(<span class="ident">line_batch</span>.<span class="ident">translate</span>(<span class="number">0.0</span>, <span class="ident">y</span> <span class="op">-</span> <span class="ident">offset</span>));

            <span class="ident">max_width</span> <span class="op">=</span> <span class="ident">max_width</span>.<span class="ident">max</span>(<span class="ident">line_dims</span>.<span class="ident">width</span>);
        }

        <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">c</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">bg_color</span> {
            <span class="ident">output_batch</span>.<span class="ident">push</span>(<span class="ident">c</span>, <span class="ident">Polygon</span>::<span class="ident">rectangle</span>(<span class="ident">max_width</span>, <span class="ident">y</span>));
        }
        <span class="ident">output_batch</span>.<span class="ident">append</span>(<span class="ident">master_batch</span>);
        <span class="ident">output_batch</span>.<span class="ident">autocrop_dims</span> <span class="op">=</span> <span class="bool-val">false</span>;

        <span class="ident">assets</span>.<span class="ident">cache_text</span>(<span class="ident">hash_key</span>, <span class="ident">output_batch</span>.<span class="ident">clone</span>());
        <span class="ident">output_batch</span>
    }

    <span class="comment">// TODO How is this different than render()?</span>
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">render_to_batch</span>(<span class="self">self</span>, <span class="ident">prerender</span>: <span class="kw-2">&amp;</span><span class="ident">Prerender</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">GeomBatch</span> {
        <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">batch</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">render</span>(<span class="kw-2">&amp;</span><span class="ident">prerender</span>.<span class="ident">assets</span>);
        <span class="ident">batch</span>.<span class="ident">autocrop_dims</span> <span class="op">=</span> <span class="bool-val">true</span>;
        <span class="ident">batch</span>.<span class="ident">autocrop</span>()
    }

    <span class="kw">fn</span> <span class="ident">hash_key</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">String</span> {
        <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">hasher</span> <span class="op">=</span> <span class="ident">DefaultHasher</span>::<span class="ident">new</span>();
        <span class="ident">hasher</span>.<span class="ident">write</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">&quot;{:?}&quot;</span>, <span class="self">self</span>).<span class="ident">as_ref</span>());
        <span class="macro">format</span><span class="macro">!</span>(<span class="string">&quot;{:x}&quot;</span>, <span class="ident">hasher</span>.<span class="ident">finish</span>())
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">draw</span>(<span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="ident">EventCtx</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Widget</span> {
        <span class="ident">JustDraw</span>::<span class="ident">wrap</span>(<span class="ident">ctx</span>, <span class="self">self</span>.<span class="ident">render</span>(<span class="ident">ctx</span>))
    }
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">batch</span>(<span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="ident">EventCtx</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Widget</span> {
        <span class="ident">DeferDraw</span>::<span class="ident">new</span>(<span class="self">self</span>.<span class="ident">render</span>(<span class="ident">ctx</span>))
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">wrap_to_pct</span>(<span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="ident">EventCtx</span>, <span class="ident">pct</span>: <span class="ident">usize</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Text</span> {
        <span class="self">self</span>.<span class="ident">inner_wrap_to_pct</span>(
            (<span class="ident">pct</span> <span class="kw">as</span> <span class="ident">f64</span>) <span class="op">/</span> <span class="number">100.0</span> <span class="op">*</span> <span class="ident">ctx</span>.<span class="ident">canvas</span>.<span class="ident">window_width</span>,
            <span class="kw-2">&amp;</span><span class="ident">ctx</span>.<span class="ident">prerender</span>.<span class="ident">assets</span>,
        )
    }

    <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">inner_wrap_to_pct</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">limit</span>: <span class="ident">f64</span>, <span class="ident">assets</span>: <span class="kw-2">&amp;</span><span class="ident">Assets</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Text</span> {
        <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">lines</span> <span class="op">=</span> <span class="ident">Vec</span>::<span class="ident">new</span>();
        <span class="kw">for</span> (<span class="ident">bg</span>, <span class="ident">spans</span>) <span class="kw">in</span> <span class="self">self</span>.<span class="ident">lines</span>.<span class="ident">drain</span>(..) {
            <span class="comment">// First optimistically assume everything just fits.</span>
            <span class="kw">if</span> <span class="ident">render_line</span>(<span class="ident">spans</span>.<span class="ident">clone</span>(), <span class="ident">svg</span>::<span class="ident">LOW_QUALITY</span>, <span class="ident">assets</span>)
                .<span class="ident">get_dims</span>()
                .<span class="ident">width</span>
                <span class="op">&lt;</span> <span class="ident">limit</span>
            {
                <span class="ident">lines</span>.<span class="ident">push</span>((<span class="ident">bg</span>, <span class="ident">spans</span>));
                <span class="kw">continue</span>;
            }

            <span class="comment">// Greedy approach, fit as many words on a line as possible. Don&#39;t do all of that</span>
            <span class="comment">// hyphenation nonsense.</span>
            <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">width_left</span> <span class="op">=</span> <span class="ident">limit</span>;
            <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">current_line</span> <span class="op">=</span> <span class="ident">Vec</span>::<span class="ident">new</span>();
            <span class="kw">for</span> <span class="ident">span</span> <span class="kw">in</span> <span class="ident">spans</span> {
                <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">current_span</span> <span class="op">=</span> <span class="ident">span</span>.<span class="ident">clone</span>();
                <span class="ident">current_span</span>.<span class="ident">text</span> <span class="op">=</span> <span class="ident">String</span>::<span class="ident">new</span>();
                <span class="kw">for</span> <span class="ident">word</span> <span class="kw">in</span> <span class="ident">span</span>.<span class="ident">text</span>.<span class="ident">split_whitespace</span>() {
                    <span class="kw">let</span> <span class="ident">width</span> <span class="op">=</span> <span class="ident">render_line</span>(
                        <span class="macro">vec</span><span class="macro">!</span>[<span class="ident">TextSpan</span> {
                            <span class="ident">text</span>: <span class="ident">word</span>.<span class="ident">to_string</span>(),
                            <span class="ident">size</span>: <span class="ident">span</span>.<span class="ident">size</span>,
                            <span class="ident">font</span>: <span class="ident">span</span>.<span class="ident">font</span>,
                            <span class="ident">fg_color</span>: <span class="ident">span</span>.<span class="ident">fg_color</span>,
                            <span class="ident">underlined</span>: <span class="bool-val">false</span>,
                        }],
                        <span class="ident">svg</span>::<span class="ident">LOW_QUALITY</span>,
                        <span class="ident">assets</span>,
                    )
                    .<span class="ident">get_dims</span>()
                    .<span class="ident">width</span>;
                    <span class="kw">if</span> <span class="ident">width_left</span> <span class="op">&gt;</span> <span class="ident">width</span> {
                        <span class="ident">current_span</span>.<span class="ident">text</span>.<span class="ident">push</span>(<span class="string">&#39; &#39;</span>);
                        <span class="ident">current_span</span>.<span class="ident">text</span>.<span class="ident">push_str</span>(<span class="ident">word</span>);
                        <span class="ident">width_left</span> <span class="op">-</span><span class="op">=</span> <span class="ident">width</span>;
                    } <span class="kw">else</span> {
                        <span class="ident">current_line</span>.<span class="ident">push</span>(<span class="ident">current_span</span>);
                        <span class="ident">lines</span>.<span class="ident">push</span>((<span class="ident">bg</span>, <span class="ident">current_line</span>.<span class="ident">drain</span>(..).<span class="ident">collect</span>()));

                        <span class="ident">current_span</span> <span class="op">=</span> <span class="ident">span</span>.<span class="ident">clone</span>();
                        <span class="ident">current_span</span>.<span class="ident">text</span> <span class="op">=</span> <span class="ident">word</span>.<span class="ident">to_string</span>();
                        <span class="ident">width_left</span> <span class="op">=</span> <span class="ident">limit</span>;
                    }
                }
                <span class="kw">if</span> <span class="op">!</span><span class="ident">current_span</span>.<span class="ident">text</span>.<span class="ident">is_empty</span>() {
                    <span class="ident">current_line</span>.<span class="ident">push</span>(<span class="ident">current_span</span>);
                }
            }
            <span class="kw">if</span> <span class="op">!</span><span class="ident">current_line</span>.<span class="ident">is_empty</span>() {
                <span class="ident">lines</span>.<span class="ident">push</span>((<span class="ident">bg</span>, <span class="ident">current_line</span>));
            }
        }
        <span class="self">self</span>.<span class="ident">lines</span> <span class="op">=</span> <span class="ident">lines</span>;
        <span class="self">self</span>
    }
}

<span class="kw">fn</span> <span class="ident">render_line</span>(<span class="ident">spans</span>: <span class="ident">Vec</span><span class="op">&lt;</span><span class="ident">TextSpan</span><span class="op">&gt;</span>, <span class="ident">tolerance</span>: <span class="ident">f32</span>, <span class="ident">assets</span>: <span class="kw-2">&amp;</span><span class="ident">Assets</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">GeomBatch</span> {
    <span class="comment">// TODO This assumes size and font don&#39;t change mid-line. We might be able to support that now,</span>
    <span class="comment">// actually.</span>
    <span class="comment">// https://www.oreilly.com/library/view/svg-text-layout/9781491933817/ch04.html</span>

    <span class="comment">// Just set a sufficiently large view box</span>
    <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">svg</span> <span class="op">=</span> <span class="string">r##&quot;&lt;svg width=&quot;9999&quot; height=&quot;9999&quot; viewBox=&quot;0 0 9999 9999&quot; xmlns=&quot;http://www.w3.org/2000/svg&quot;&gt;&quot;##</span>.<span class="ident">to_string</span>();

    <span class="macro">write</span><span class="macro">!</span>(
        <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">svg</span>,
        <span class="string">r##&quot;&lt;text x=&quot;0&quot; y=&quot;0&quot; xml:space=&quot;preserve&quot; font-size=&quot;{}&quot; font-family=&quot;{}&quot; {}&gt;&quot;##</span>,
        <span class="ident">spans</span>[<span class="number">0</span>].<span class="ident">size</span>,
        <span class="ident">spans</span>[<span class="number">0</span>].<span class="ident">font</span>.<span class="ident">family</span>(),
        <span class="kw">match</span> <span class="ident">spans</span>[<span class="number">0</span>].<span class="ident">font</span> {
            <span class="ident">Font</span>::<span class="ident">OverpassBold</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;font-weight=\&quot;bold\&quot;&quot;</span>,
            <span class="ident">Font</span>::<span class="ident">OverpassSemiBold</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;font-weight=\&quot;600\&quot;&quot;</span>,
            <span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;&quot;</span>,
        }
    )
    .<span class="ident">unwrap</span>();

    <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">contents</span> <span class="op">=</span> <span class="ident">String</span>::<span class="ident">new</span>();
    <span class="kw">for</span> <span class="ident">span</span> <span class="kw">in</span> <span class="ident">spans</span> {
        <span class="macro">write</span><span class="macro">!</span>(
            <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">contents</span>,
            <span class="string">r##&quot;&lt;tspan fill=&quot;{}&quot; {}&gt;{}&lt;/tspan&gt;&quot;##</span>,
            <span class="comment">// TODO Doesn&#39;t support alpha</span>
            <span class="ident">span</span>.<span class="ident">fg_color</span>.<span class="ident">to_hex</span>(),
            <span class="kw">if</span> <span class="ident">span</span>.<span class="ident">underlined</span> {
                <span class="string">&quot;text-decoration=\&quot;underline\&quot;&quot;</span>
            } <span class="kw">else</span> {
                <span class="string">&quot;&quot;</span>
            },
            <span class="ident">htmlescape</span>::<span class="ident">encode_minimal</span>(<span class="kw-2">&amp;</span><span class="ident">span</span>.<span class="ident">text</span>)
        )
        .<span class="ident">unwrap</span>();
    }
    <span class="macro">write</span><span class="macro">!</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">svg</span>, <span class="string">&quot;{}&lt;/text&gt;&lt;/svg&gt;&quot;</span>, <span class="ident">contents</span>).<span class="ident">unwrap</span>();

    <span class="kw">let</span> <span class="ident">svg_tree</span> <span class="op">=</span> <span class="kw">match</span> <span class="ident">usvg</span>::<span class="ident">Tree</span>::<span class="ident">from_str</span>(<span class="kw-2">&amp;</span><span class="ident">svg</span>, <span class="kw-2">&amp;</span><span class="ident">assets</span>.<span class="ident">text_opts</span>) {
        <span class="prelude-val">Ok</span>(<span class="ident">t</span>) <span class="op">=</span><span class="op">&gt;</span> <span class="ident">t</span>,
        <span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=</span><span class="op">&gt;</span> <span class="macro">panic</span><span class="macro">!</span>(<span class="string">&quot;render_line({}): {}&quot;</span>, <span class="ident">contents</span>, <span class="ident">err</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="kw">match</span> <span class="kw">crate</span>::<span class="ident">svg</span>::<span class="ident">add_svg_inner</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">batch</span>, <span class="ident">svg_tree</span>, <span class="ident">tolerance</span>) {
        <span class="prelude-val">Ok</span>(<span class="kw">_</span>) <span class="op">=</span><span class="op">&gt;</span> <span class="ident">batch</span>,
        <span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=</span><span class="op">&gt;</span> <span class="macro">panic</span><span class="macro">!</span>(<span class="string">&quot;render_line({}): {}&quot;</span>, <span class="ident">contents</span>, <span class="ident">err</span>),
    }
}

<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">TextExt</span> {
    <span class="kw">fn</span> <span class="ident">draw_text</span>(<span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="ident">EventCtx</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Widget</span>;
    <span class="kw">fn</span> <span class="ident">batch_text</span>(<span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="ident">EventCtx</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Widget</span>;
}

<span class="kw">impl</span> <span class="ident">TextExt</span> <span class="kw">for</span> <span class="kw-2">&amp;</span><span class="ident">str</span> {
    <span class="kw">fn</span> <span class="ident">draw_text</span>(<span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="ident">EventCtx</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Widget</span> {
        <span class="ident">Line</span>(<span class="self">self</span>).<span class="ident">draw</span>(<span class="ident">ctx</span>)
    }
    <span class="kw">fn</span> <span class="ident">batch_text</span>(<span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="ident">EventCtx</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Widget</span> {
        <span class="ident">Line</span>(<span class="self">self</span>).<span class="ident">batch</span>(<span class="ident">ctx</span>)
    }
}

<span class="kw">impl</span> <span class="ident">TextExt</span> <span class="kw">for</span> <span class="ident">String</span> {
    <span class="kw">fn</span> <span class="ident">draw_text</span>(<span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="ident">EventCtx</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Widget</span> {
        <span class="ident">Line</span>(<span class="self">self</span>).<span class="ident">draw</span>(<span class="ident">ctx</span>)
    }
    <span class="kw">fn</span> <span class="ident">batch_text</span>(<span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="ident">EventCtx</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Widget</span> {
        <span class="ident">Line</span>(<span class="self">self</span>).<span class="ident">batch</span>(<span class="ident">ctx</span>)
    }
}

<span class="kw">impl</span> <span class="ident">TextSpan</span> {
    <span class="comment">// TODO Copies from render_line a fair amount</span>
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">render_curvey</span>(<span class="self">self</span>, <span class="ident">prerender</span>: <span class="kw-2">&amp;</span><span class="ident">Prerender</span>, <span class="ident">path</span>: <span class="kw-2">&amp;</span><span class="ident">PolyLine</span>, <span class="ident">scale</span>: <span class="ident">f64</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">GeomBatch</span> {
        <span class="kw">let</span> <span class="ident">assets</span> <span class="op">=</span> <span class="kw-2">&amp;</span><span class="ident">prerender</span>.<span class="ident">assets</span>;
        <span class="kw">let</span> <span class="ident">tolerance</span> <span class="op">=</span> <span class="ident">svg</span>::<span class="ident">HIGH_QUALITY</span>;

        <span class="comment">// Just set a sufficiently large view box</span>
        <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">svg</span> <span class="op">=</span> <span class="string">r##&quot;&lt;svg width=&quot;9999&quot; height=&quot;9999&quot; viewBox=&quot;0 0 9999 9999&quot; xmlns=&quot;http://www.w3.org/2000/svg&quot;&gt;&quot;##</span>.<span class="ident">to_string</span>();

        <span class="macro">write</span><span class="macro">!</span>(
            <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">svg</span>,
            <span class="string">r##&quot;&lt;path id=&quot;txtpath&quot; fill=&quot;none&quot; stroke=&quot;none&quot; d=&quot;&quot;##</span>
        )
        .<span class="ident">unwrap</span>();
        <span class="macro">write</span><span class="macro">!</span>(
            <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">svg</span>,
            <span class="string">&quot;M {} {}&quot;</span>,
            <span class="ident">path</span>.<span class="ident">points</span>()[<span class="number">0</span>].<span class="ident">x</span>(),
            <span class="ident">path</span>.<span class="ident">points</span>()[<span class="number">0</span>].<span class="ident">y</span>()
        )
        .<span class="ident">unwrap</span>();
        <span class="kw">for</span> <span class="ident">pt</span> <span class="kw">in</span> <span class="ident">path</span>.<span class="ident">points</span>().<span class="ident">into_iter</span>().<span class="ident">skip</span>(<span class="number">1</span>) {
            <span class="macro">write</span><span class="macro">!</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">svg</span>, <span class="string">&quot; L {} {}&quot;</span>, <span class="ident">pt</span>.<span class="ident">x</span>(), <span class="ident">pt</span>.<span class="ident">y</span>()).<span class="ident">unwrap</span>();
        }
        <span class="macro">write</span><span class="macro">!</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">svg</span>, <span class="string">&quot;\&quot; /&gt;&quot;</span>).<span class="ident">unwrap</span>();
        <span class="comment">// We need to subtract and account for the length of the text</span>
        <span class="kw">let</span> <span class="ident">start_offset</span> <span class="op">=</span> (<span class="ident">path</span>.<span class="ident">length</span>() <span class="op">/</span> <span class="number">2.0</span>).<span class="ident">inner_meters</span>()
            <span class="op">-</span> (<span class="ident">Text</span>::<span class="ident">from</span>(<span class="ident">Line</span>(<span class="kw-2">&amp;</span><span class="self">self</span>.<span class="ident">text</span>)).<span class="ident">dims</span>(<span class="ident">assets</span>).<span class="ident">width</span> <span class="op">*</span> <span class="ident">scale</span>) <span class="op">/</span> <span class="number">2.0</span>;
        <span class="macro">write</span><span class="macro">!</span>(
            <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">svg</span>,
            <span class="string">r##&quot;&lt;text xml:space=&quot;preserve&quot; font-size=&quot;{}&quot; font-family=&quot;{}&quot; {} fill=&quot;{}&quot; startOffset=&quot;{}&quot;&gt;&quot;##</span>,
            <span class="comment">// This is seemingly the easiest way to do this. We could .scale() the whole batch</span>
            <span class="comment">// after, but then we have to re-translate it to the proper spot</span>
            (<span class="self">self</span>.<span class="ident">size</span> <span class="kw">as</span> <span class="ident">f64</span>) <span class="op">*</span> <span class="ident">scale</span>,
            <span class="self">self</span>.<span class="ident">font</span>.<span class="ident">family</span>(),
            <span class="kw">match</span> <span class="self">self</span>.<span class="ident">font</span> {
                <span class="ident">Font</span>::<span class="ident">OverpassBold</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;font-weight=\&quot;bold\&quot;&quot;</span>,
                <span class="ident">Font</span>::<span class="ident">OverpassSemiBold</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;font-weight=\&quot;600\&quot;&quot;</span>,
                <span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> <span class="string">&quot;&quot;</span>,
            },
            <span class="self">self</span>.<span class="ident">fg_color</span>.<span class="ident">to_hex</span>(),
            <span class="ident">start_offset</span>,
        )
            .<span class="ident">unwrap</span>();

        <span class="macro">write</span><span class="macro">!</span>(
            <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">svg</span>,
            <span class="string">r##&quot;&lt;textPath href=&quot;#txtpath&quot;&gt;{}&lt;/textPath&gt;&lt;/text&gt;&lt;/svg&gt;&quot;##</span>,
            <span class="self">self</span>.<span class="ident">text</span>
        )
        .<span class="ident">unwrap</span>();

        <span class="kw">let</span> <span class="ident">svg_tree</span> <span class="op">=</span> <span class="kw">match</span> <span class="ident">usvg</span>::<span class="ident">Tree</span>::<span class="ident">from_str</span>(<span class="kw-2">&amp;</span><span class="ident">svg</span>, <span class="kw-2">&amp;</span><span class="ident">assets</span>.<span class="ident">text_opts</span>) {
            <span class="prelude-val">Ok</span>(<span class="ident">t</span>) <span class="op">=</span><span class="op">&gt;</span> <span class="ident">t</span>,
            <span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=</span><span class="op">&gt;</span> <span class="macro">panic</span><span class="macro">!</span>(<span class="string">&quot;curvey({}): {}&quot;</span>, <span class="self">self</span>.<span class="ident">text</span>, <span class="ident">err</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="kw">match</span> <span class="kw">crate</span>::<span class="ident">svg</span>::<span class="ident">add_svg_inner</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">batch</span>, <span class="ident">svg_tree</span>, <span class="ident">tolerance</span>) {
            <span class="prelude-val">Ok</span>(<span class="kw">_</span>) <span class="op">=</span><span class="op">&gt;</span> <span class="ident">batch</span>,
            <span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=</span><span class="op">&gt;</span> <span class="macro">panic</span><span class="macro">!</span>(<span class="string">&quot;curvey({}): {}&quot;</span>, <span class="self">self</span>.<span class="ident">text</span>, <span class="ident">err</span>),
        }
    }
}
</pre></div>
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