lektor-website/plugins/lektor-thumbnail-generator/index.html

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<h1>Plugin &ndash; lektor-thumbnail-generator 0.5.0</h1>
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<p>This plugin automatically generates thumbnails for any images in your Lektor content. The difference between this plugin and the `thumbnail` filter is that this is geared towards content, i.e. you don&#39;t need to have any references to the images in your templates at all.<p>
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<h4>Project links</h4>
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<li><a href="https://github.com/skorokithakis/lektor-thumbnail-generator/" class="ext">Homepage</a></li>
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<h4>GitHub Statistics</h4>
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<li><p><a class="github-button" href="https://github.com/skorokithakis/lektor-thumbnail-generator/" data-icon="octicon-star" data-size="large" data-show-count="true" aria-label="Star lektor-thumbnail-generator on GitHub" target="_blank">Star</a></p></li>
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<p><strong>Version:</strong> 0.5.0</p>
<p><strong>Author:</strong>
<a href="mailto:hi@stavros.io">Stavros Korokithakis,,,</a>
</p>
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<h4>Tags</h4>
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<a href="../tag/images/">images</a>,
and
<a href="../tag/thumbnails/">thumbnails</a>
<p>
View <a href="../tags/" class="ref">all tags</a>.
</p>
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<h2>Project Description</h2>
<h1>Lektor Thumbnail Generator</h1>
<p>This plugin automatically generates thumbnails for any images in your Lektor
content. The difference between this plugin and the <code>thumbnail</code> filter is that
this is geared towards content, i.e. you don't need to have any references to
the images in your templates at all.</p>
<h2>Usage</h2>
<p>Use this plugin if you want to be able to link to full-size images in your
content, but still want thumbnails to be generated for the link itself. For
example, you may have an image called <code>cat.jpg</code>, and to link to it in the
<em>content</em> (not the template), but also show a thumbnail.</p>
<p>You can do that like so:</p>
<pre><code>&lt;a href="cat.jpg"&gt;&lt;img src="cat-small.jpg" /&gt;&lt;/a&gt;
</code></pre>
<h2>Installation</h2>
<p>To install the plugin, just add <code>lektor-thumbnail-generator</code> to your plugins
from the command line:</p>
<pre><code>lektor plugins add lektor-thumbnail-generator
</code></pre>
<p>If you have trouble, see the <a href="https://www.getlektor.com/docs/plugins/" rel="nofollow">plugin
installation</a> section of the Lektor
documentation.</p>
<p>Then, create a config file called <code>configs/thumbnail-generator.ini</code> and add
a few sections for images. The section names can be whatever you want, the
final images will be called <code>imagename-sectionname.ext</code>. For example, this
config file:</p>
<pre><code>[small]
max_width = 30
[medium]
max_width = 400
max_height = 400
[woowee]
max_width = 2000
</code></pre>
<p>Will take a file called <code>cat.jpg</code> and create the files <code>cat-small.jpg</code>,
<code>cat-medium.jpg</code> and <code>cat-woowee.jpg</code>. All the files will be created, regardless
of whether the original file is smaller, so you can link without worrying
whether a file will exist or not. If the original file is smaller than the width
you have specified, the file will only be copied, and will not be resized.
The <code>max_width</code>/<code>max_height</code> parameters work like for the <a href="https://www.getlektor.com/docs/api/db/record/thumbnail/" rel="nofollow">Lektor
thumbnail</a> command.</p>
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