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<li><a href="#default-values">Default Values</a></li>
<li><a href="#configuration">Configuration</a>
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<h1 id="image-effects">Image Effects</h1>
<p>This page shows you, how to configure custom <a href="/hugo-theme-relearn/authoring/markdown/index.html#image-effects">image effects</a> on top of existing ones.</p>
<p>This setting can also <a href="/hugo-theme-relearn/authoring/imageeffects/index.html">be overridden by your front matter</a>.</p>
<p>If you don’t configure anything in your <code>hugo.toml</code>, the image effects default to</p>
<h2 id="default-values">Default Values</h2>
<div class="tab-panel" data-tab-group="config-code">
<div class="tab-nav">
<div class="tab-nav-title">​</div>
<button
data-tab-item="toml"
class="tab-nav-button tab-panel-style cstyle initial active" tabindex="-1"
onclick="switchTab('config-code','toml')"
>
<span class="tab-nav-text">toml</span>
</button>
<button
data-tab-item="yaml"
class="tab-nav-button tab-panel-style cstyle initial"
onclick="switchTab('config-code','yaml')"
>
<span class="tab-nav-text">yaml</span>
</button>
<button
data-tab-item="json"
class="tab-nav-button tab-panel-style cstyle initial"
onclick="switchTab('config-code','json')"
>
<span class="tab-nav-text">json</span>
</button>
</div>
<div class="tab-content-container">
<div
data-tab-item="toml"
class="tab-content tab-panel-style cstyle initial active">
<div class="tab-content-text">
<div class="highlight wrap-code"><pre tabindex="0" class="chroma"><code class="language-toml" data-lang="toml"><span class="line"><span class="cl"><span class="p">[</span><span class="nx">imageEffects</span><span class="p">]</span>
</span></span><span class="line"><span class="cl"> <span class="nx">border</span> <span class="p">=</span> <span class="kc">false</span>
</span></span><span class="line"><span class="cl"> <span class="nx">lazy</span> <span class="p">=</span> <span class="kc">true</span>
</span></span><span class="line"><span class="cl"> <span class="nx">lightbox</span> <span class="p">=</span> <span class="kc">true</span>
</span></span><span class="line"><span class="cl"> <span class="nx">shadow</span> <span class="p">=</span> <span class="kc">false</span></span></span></code></pre></div>
</div>
</div>
<div
data-tab-item="yaml"
class="tab-content tab-panel-style cstyle initial">
<div class="tab-content-text">
<div class="highlight wrap-code"><pre tabindex="0" class="chroma"><code class="language-yaml" data-lang="yaml"><span class="line"><span class="cl"><span class="nt">imageEffects</span><span class="p">:</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">border</span><span class="p">:</span><span class="w"> </span><span class="kc">false</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">lazy</span><span class="p">:</span><span class="w"> </span><span class="kc">true</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">lightbox</span><span class="p">:</span><span class="w"> </span><span class="kc">true</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">shadow</span><span class="p">:</span><span class="w"> </span><span class="kc">false</span></span></span></code></pre></div>
</div>
</div>
<div
data-tab-item="json"
class="tab-content tab-panel-style cstyle initial">
<div class="tab-content-text">
<div class="highlight wrap-code"><pre tabindex="0" class="chroma"><code class="language-json" data-lang="json"><span class="line"><span class="cl"><span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">"imageEffects"</span><span class="p">:</span> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">"border"</span><span class="p">:</span> <span class="kc">false</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">"lazy"</span><span class="p">:</span> <span class="kc">true</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">"lightbox"</span><span class="p">:</span> <span class="kc">true</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">"shadow"</span><span class="p">:</span> <span class="kc">false</span>
</span></span><span class="line"><span class="cl"> <span class="p">}</span>
</span></span><span class="line"><span class="cl"><span class="p">}</span></span></span></code></pre></div>
</div>
</div>
</div>
</div>
<h2 id="configuration">Configuration</h2>
<p><span class="badge cstyle cyan badge-with-title"><span class="badge-title"><i class="fa-fw fas fa-gears"></i></span><span class="badge-content">Option</span></span> You can change these settings in your <code>hugo.toml</code> and add arbitrary custom effects as boolean values (like <code>bg-white</code> in the below snippet).</p>
<div class="tab-panel" data-tab-group="config-code">
<div class="tab-nav">
<div class="tab-nav-title">hugo.</div>
<button
data-tab-item="toml"
class="tab-nav-button tab-panel-style cstyle initial active" tabindex="-1"
onclick="switchTab('config-code','toml')"
>
<span class="tab-nav-text">toml</span>
</button>
<button
data-tab-item="yaml"
class="tab-nav-button tab-panel-style cstyle initial"
onclick="switchTab('config-code','yaml')"
>
<span class="tab-nav-text">yaml</span>
</button>
<button
data-tab-item="json"
class="tab-nav-button tab-panel-style cstyle initial"
onclick="switchTab('config-code','json')"
>
<span class="tab-nav-text">json</span>
</button>
</div>
<div class="tab-content-container">
<div
data-tab-item="toml"
class="tab-content tab-panel-style cstyle initial active">
<div class="tab-content-text">
<div class="highlight wrap-code"><pre tabindex="0" class="chroma"><code class="language-toml" data-lang="toml"><span class="line"><span class="cl"><span class="p">[</span><span class="nx">params</span><span class="p">]</span>
</span></span><span class="line"><span class="cl"> <span class="p">[</span><span class="nx">params</span><span class="p">.</span><span class="nx">imageEffects</span><span class="p">]</span>
</span></span><span class="line"><span class="cl"> <span class="nx">bg-white</span> <span class="p">=</span> <span class="kc">true</span>
</span></span><span class="line"><span class="cl"> <span class="nx">border</span> <span class="p">=</span> <span class="kc">true</span>
</span></span><span class="line"><span class="cl"> <span class="nx">lazy</span> <span class="p">=</span> <span class="kc">false</span></span></span></code></pre></div>
</div>
</div>
<div
data-tab-item="yaml"
class="tab-content tab-panel-style cstyle initial">
<div class="tab-content-text">
<div class="highlight wrap-code"><pre tabindex="0" class="chroma"><code class="language-yaml" data-lang="yaml"><span class="line"><span class="cl"><span class="nt">params</span><span class="p">:</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">imageEffects</span><span class="p">:</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">bg-white</span><span class="p">:</span><span class="w"> </span><span class="kc">true</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">border</span><span class="p">:</span><span class="w"> </span><span class="kc">true</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">lazy</span><span class="p">:</span><span class="w"> </span><span class="kc">false</span></span></span></code></pre></div>
</div>
</div>
<div
data-tab-item="json"
class="tab-content tab-panel-style cstyle initial">
<div class="tab-content-text">
<div class="highlight wrap-code"><pre tabindex="0" class="chroma"><code class="language-json" data-lang="json"><span class="line"><span class="cl"><span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">"params"</span><span class="p">:</span> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">"imageEffects"</span><span class="p">:</span> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">"bg-white"</span><span class="p">:</span> <span class="kc">true</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">"border"</span><span class="p">:</span> <span class="kc">true</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">"lazy"</span><span class="p">:</span> <span class="kc">false</span>
</span></span><span class="line"><span class="cl"> <span class="p">}</span>
</span></span><span class="line"><span class="cl"> <span class="p">}</span>
</span></span><span class="line"><span class="cl"><span class="p">}</span></span></span></code></pre></div>
</div>
</div>
</div>
</div>
<p>This would result in</p>
<div class="tab-panel" data-tab-group="config-code">
<div class="tab-nav">
<div class="tab-nav-title">​</div>
<button
data-tab-item="toml"
class="tab-nav-button tab-panel-style cstyle initial active" tabindex="-1"
onclick="switchTab('config-code','toml')"
>
<span class="tab-nav-text">toml</span>
</button>
<button
data-tab-item="yaml"
class="tab-nav-button tab-panel-style cstyle initial"
onclick="switchTab('config-code','yaml')"
>
<span class="tab-nav-text">yaml</span>
</button>
<button
data-tab-item="json"
class="tab-nav-button tab-panel-style cstyle initial"
onclick="switchTab('config-code','json')"
>
<span class="tab-nav-text">json</span>
</button>
</div>
<div class="tab-content-container">
<div
data-tab-item="toml"
class="tab-content tab-panel-style cstyle initial active">
<div class="tab-content-text">
<div class="highlight wrap-code"><pre tabindex="0" class="chroma"><code class="language-toml" data-lang="toml"><span class="line"><span class="cl"><span class="p">[</span><span class="nx">imageEffects</span><span class="p">]</span>
</span></span><span class="line"><span class="cl"> <span class="nx">bg-white</span> <span class="p">=</span> <span class="kc">true</span>
</span></span><span class="line"><span class="cl"> <span class="nx">border</span> <span class="p">=</span> <span class="kc">true</span>
</span></span><span class="line"><span class="cl"> <span class="nx">lazy</span> <span class="p">=</span> <span class="kc">false</span>
</span></span><span class="line"><span class="cl"> <span class="nx">lightbox</span> <span class="p">=</span> <span class="kc">true</span>
</span></span><span class="line"><span class="cl"> <span class="nx">shadow</span> <span class="p">=</span> <span class="kc">false</span></span></span></code></pre></div>
</div>
</div>
<div
data-tab-item="yaml"
class="tab-content tab-panel-style cstyle initial">
<div class="tab-content-text">
<div class="highlight wrap-code"><pre tabindex="0" class="chroma"><code class="language-yaml" data-lang="yaml"><span class="line"><span class="cl"><span class="nt">imageEffects</span><span class="p">:</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">bg-white</span><span class="p">:</span><span class="w"> </span><span class="kc">true</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">border</span><span class="p">:</span><span class="w"> </span><span class="kc">true</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">lazy</span><span class="p">:</span><span class="w"> </span><span class="kc">false</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">lightbox</span><span class="p">:</span><span class="w"> </span><span class="kc">true</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">shadow</span><span class="p">:</span><span class="w"> </span><span class="kc">false</span></span></span></code></pre></div>
</div>
</div>
<div
data-tab-item="json"
class="tab-content tab-panel-style cstyle initial">
<div class="tab-content-text">
<div class="highlight wrap-code"><pre tabindex="0" class="chroma"><code class="language-json" data-lang="json"><span class="line"><span class="cl"><span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">"imageEffects"</span><span class="p">:</span> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">"bg-white"</span><span class="p">:</span> <span class="kc">true</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">"border"</span><span class="p">:</span> <span class="kc">true</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">"lazy"</span><span class="p">:</span> <span class="kc">false</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">"lightbox"</span><span class="p">:</span> <span class="kc">true</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">"shadow"</span><span class="p">:</span> <span class="kc">false</span>
</span></span><span class="line"><span class="cl"> <span class="p">}</span>
</span></span><span class="line"><span class="cl"><span class="p">}</span></span></span></code></pre></div>
</div>
</div>
</div>
</div>
<h3 id="example">Example</h3>
<p>With this configuration in effect, the following URL</p>
<div class="tab-panel" data-tab-group="cbac88758363fbbd996e50b6f1cfbf5e">
<div class="tab-nav">
<div class="tab-nav-title">​</div>
<button
data-tab-item="markdown"
class="tab-nav-button tab-panel-style cstyle initial active" tabindex="-1"
onclick="switchTab('cbac88758363fbbd996e50b6f1cfbf5e','markdown')"
>
<span class="tab-nav-text">Markdown</span>
</button>
</div>
<div class="tab-content-container">
<div
data-tab-item="markdown"
class="tab-content tab-panel-style cstyle initial active">
<div class="tab-content-text">
<div class="highlight wrap-code"><pre tabindex="0" class="chroma"><code class="language-markdown" data-lang="markdown"><span class="line"><span class="cl">![<span class="nt">Minion</span>](<span class="na">https://octodex.github.com/images/minion.png</span>)</span></span></code></pre></div>
</div>
</div>
</div>
</div><p>would result in</p>
<div class="tab-panel" data-tab-group="ea1cf1b08d99635d07f4f4c08d0b5576">
<div class="tab-nav">
<div class="tab-nav-title">​</div>
<button
data-tab-item="html"
class="tab-nav-button tab-panel-style cstyle initial active" tabindex="-1"
onclick="switchTab('ea1cf1b08d99635d07f4f4c08d0b5576','html')"
>
<span class="tab-nav-text">HTML</span>
</button>
</div>
<div class="tab-content-container">
<div
data-tab-item="html"
class="tab-content tab-panel-style cstyle initial active">
<div class="tab-content-text">
<div class="highlight wrap-code"><pre tabindex="0" class="chroma"><code class="language-html" data-lang="html"><span class="line"><span class="cl"><span class="p"><</span><span class="nt">img</span> <span class="na">src</span><span class="o">=</span><span class="s">"https://octodex.github.com/images/minion.png"</span> <span class="na">loading</span><span class="o">=</span><span class="s">"lazy"</span> <span class="na">alt</span><span class="o">=</span><span class="s">"Minion"</span> <span class="na">class</span><span class="o">=</span><span class="s">"bg-white border nolazy lightbox noshadow"</span><span class="p">></span></span></span></code></pre></div>
</div>
</div>
</div>
</div><h2 id="styling-effects">Styling Effects</h2>
<p>If the resulting effect value is</p>
<ul>
<li><code>true</code>: add a class with the effect’s name</li>
<li><code>false</code>: add a class with the effect’s name and a “no” prefix</li>
</ul>
<p>Styles for default effects are contained in the theme. Add styles for your custom effects to <code>layouts/partials/content-header.html</code>.</p>
<p>For the above example you could add styles for both boolean cases:</p>
<div class="tab-panel" data-tab-group="75e712dd26fc87835dca091c5cb37742">
<div class="tab-nav">
<div class="tab-nav-title">​</div>
<button
data-tab-item="layoutspartialscontent-headerhtml"
class="tab-nav-button tab-panel-style cstyle initial active" tabindex="-1"
onclick="switchTab('75e712dd26fc87835dca091c5cb37742','layoutspartialscontent-headerhtml')"
>
<span class="tab-nav-text">layouts/partials/content-header.html</span>
</button>
</div>
<div class="tab-content-container">
<div
data-tab-item="layoutspartialscontent-headerhtml"
class="tab-content tab-panel-style cstyle initial active">
<div class="tab-content-text">
<div class="highlight wrap-code"><pre tabindex="0" class="chroma"><code class="language-html" data-lang="html"><span class="line"><span class="cl"><span class="p"><</span><span class="nt">style</span><span class="p">></span>
</span></span><span class="line"><span class="cl"><span class="nt">img</span><span class="p">.</span><span class="nc">bg-white</span> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="k">background-color</span><span class="p">:</span> <span class="kc">white</span><span class="p">;</span>
</span></span><span class="line"><span class="cl"><span class="p">}</span>
</span></span><span class="line"><span class="cl"><span class="nt">img</span><span class="p">.</span><span class="nc">nobg-white</span> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="k">background-color</span><span class="p">:</span> <span class="kc">transparent</span><span class="p">;</span>
</span></span><span class="line"><span class="cl"><span class="p">}</span>
</span></span><span class="line"><span class="cl"><span class="p"></</span><span class="nt">style</span><span class="p">></span></span></span></code></pre></div>
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