Icarus User Guide - Other Plugins

This article covers other plugins supported by Icarus 3.

The following plugins are provided by ppoffice/hexo-component-inferno. Please refer to it for a complete list of supported plugins and their configuration details.

Installation Guide

The gallery plugin of Icarus contains both lightGallery and Justified Gallery extensions. To enable it, set plugins > gallery to true in your theme configurations.

_config.icarus.yml
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plugins:
gallery: true

Additionally, in order to use Justified Gallery, wrap your images with the <div class="justified-gallery"> and </div> HTML tag pair. Also, if you are using Markdown syntax to include images, add additional empty lines between the HTML tags and Markdown tags. For example, the Markdown code of the gallery preview below is

Justified-Gallery-Markdown.md >folded
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<div class="justified-gallery">

![Elephant](/hexo-theme-icarus/gallery/animals/elephant.jpeg)
![Dog](/hexo-theme-icarus/gallery/animals/dog.jpeg)
![Birds](/hexo-theme-icarus/gallery/animals/birds.jpeg)
![Fox](/hexo-theme-icarus/gallery/animals/fox.jpeg)
![Horse](/hexo-theme-icarus/gallery/animals/horse.jpeg)
![Leopard](/hexo-theme-icarus/gallery/animals/leopard.jpeg)

</div>

Meanwhile, we can use pure HTML to create Justified Galleries as well. In this case, we will not need the empty lines between HTML tags.

Justified-Gallery-HTML.md >folded
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<div class="justified-gallery">
<img src="/hexo-theme-icarus/gallery/animals/elephant.jpeg" alt="Elephant" />
<img src="/hexo-theme-icarus/gallery/animals/dog.jpeg" alt="Dog" />
<img src="/hexo-theme-icarus/gallery/animals/birds.jpeg" alt="Birds" />
<img src="/hexo-theme-icarus/gallery/animals/fox.jpeg" alt="Fox" />
<img src="/hexo-theme-icarus/gallery/animals/horse.jpeg" alt="Horse" />
<img src="/hexo-theme-icarus/gallery/animals/leopard.jpeg" alt="Leopard" />
</div>

Preview

Here is an image grid created by Justified Gallery. You can also view the full image using lightGallery by clicking on any image.

KaTeX

Installation Guide

You can use the KaTeX plugin to render \(\TeX\) expressions. To enable KaTeX, please set plugins > katex to true in your theme configurations.

_config.icarus.yml
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plugins:
katex: true

Please also use \\( and \\) to wrap your inline expressions and $$ or \\[ and \\] pair to wrap block expressions. For example,

Some-Post.md >folded
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This is an inline expression: \\(ax^2+bx+c=0\\).

This is a block expression:
$$\displaystyle \frac{1}{\Bigl(\sqrt{\phi \sqrt{5}}-\phi\Bigr) e^{\frac25 \pi}} =
1+\frac{e^{-2\pi}} {1+\frac{e^{-4\pi}} {1+\frac{e^{-6\pi}}
{1+\frac{e^{-8\pi}} {1+\cdots} } } }$$

This is another block expression:
\\[f(x) = \int_{-\infty}^\infty\hat f(\xi)e^{2 \pi i \xi x}d\xi\\]

Sometimes your \(\TeX\) syntax will be mistaken as Markdown syntax, which will result in rendering error. For instance, the following equation will not work since it contains more than one _ (underscores), which are mistaken for the italic text when processed by the Markdown renderer:

Some-Post.md
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$$
\hat{x}_{k}=\hat{x}_{k}^{-}+K_{t}\left(y_{k}\right)
$$

In this case, you can either escape every character that may cause confusion:

Some-Post.md
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$$
\hat{x}\_{k}=\hat{x}\_{k}^{-}+K\_{t}\left(y\_{k}\right)
$$

or simply wrap the whole equation with an additional pair of HTML tags:

Some-Post.md
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<div>
$$
\hat{x}_{k}=\hat{x}_{k}^{-}+K_{t}\left(y_{k}\right)
$$
</div>

MathJax

Installation Guide

You can use MathJax to render \(\TeX\), MathML, or AsciiMath expressions. To enable MathJax, please set plugins > mathjax to true in your theme configurations.

_config.icarus.yml
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plugins:
mathjax: true

When using the \(\TeX\) syntax, please use $ or \\( and \\) to wrap your inline expressions and and $$ or \\[ and \\] pair to wrap block expressions. You can also use \(\LaTeX\) environments directly. For example,

Tex-Example.md >folded
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This is an inline expression: \\(ax^2+bx+c=0\\). This is another inline expression: $ax^2+bx+c>0$.

This is a block expression:
$$\displaystyle \frac{1}{\Bigl(\sqrt{\phi \sqrt{5}}-\phi\Bigr) e^{\frac25 \pi}} =
1+\frac{e^{-2\pi}} {1+\frac{e^{-4\pi}} {1+\frac{e^{-6\pi}}
{1+\frac{e^{-8\pi}} {1+\cdots} } } }$$

This is another block expression:
\\[f(x) = \int_{-\infty}^\infty\hat f(\xi)e^{2 \pi i \xi x}d\xi\\]

Or use \\(\LaTeX\\) environment:
\\begin{equation}
A =
\\begin{bmatrix}
a & b \\\\
c & c
\\end{bmatrix}
\\end{equation}

Or you can use MathML syntax. For example,

MathML-Example.md >folded
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When 
<math xmlns="http://www.w3.org/1998/Math/MathML">
<mi>a</mi>
<mo></mo>
<mn>0</mn>
</math>,
there are two solutions to
<math xmlns="http://www.w3.org/1998/Math/MathML">
<mi>a</mi>
<msup>
<mi>x</mi>
<mn>2</mn>
</msup>
<mo>+</mo>
<mi>b</mi>
<mi>x</mi>
<mo>+</mo>
<mi>c</mi>
<mo>=</mo>
<mn>0</mn>
</math>
and they are
<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">
<mi>x</mi>
<mo>=</mo>
<mrow>
<mfrac>
<mrow>
<mo>-</mo>
<mi>b</mi>
<mo>±</mo>
<msqrt>
<msup>
<mi>b</mi>
<mn>2</mn>
</msup>
<mo>-</mo>
<mn>4</mn>
<mi>a</mi>
<mi>c</mi>
</msqrt>
</mrow>
<mrow>
<mn>2</mn>
<mi>a</mi>
</mrow>
</mfrac>
</mrow>
<mtext>.</mtext>
</math>

Similarly, you can also use AsciiMath supported by MathJax. Expressions should be wrapped in \` in this case.

AsciiMath-Example.md >folded
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When \`a != 0\`, there are two solutions to \`ax^2 + bx + c = 0\` and they are <p style="text-align:center">\`x = (-b +- sqrt(b^2-4ac))/(2a)\`.</p>

Sometimes your latex syntax will be mistaken as Markdown syntax, which will result in rendering error. Please refer to the KaTeX section for solutions to this.

Preview(\(\TeX\) & \(\LaTeX\))

This is an inline expression: \(ax^2+bx+c=0\). This is another inline expression: $ax^2+bx+c>0$.

This is a block expression: $$\displaystyle \frac{1}{\Bigl(\sqrt{\phi \sqrt{5}}-\phi\Bigr) e^{\frac25 \pi}} = 1+\frac{e^{-2\pi}} {1+\frac{e^{-4\pi}} {1+\frac{e^{-6\pi}} {1+\frac{e^{-8\pi}} {1+\cdots} } } }$$

This is another block expression: \[f(x) = \int_{-\infty}^\infty\hat f(\xi)e^{2 \pi i \xi x}d\xi\]

Or use \(\LaTeX\) environment: \begin{equation} A = \begin{bmatrix} a & b \\ c & c \end{bmatrix} \end{equation}

Preview(MathML)

When a 0 , there are two solutions to a x 2 + b x + c = 0 and they are x = - b ± b 2 - 4 a c 2 a .

Preview(AsciiMath)

When `a != 0`, there are two solutions to `ax^2 + bx + c = 0` and they are

`x = (-b +- sqrt(b^2-4ac))/(2a)`.

Installation Guide

You can show a cookie consent dialog to your visitor by enabling the Cookie Consent plugin. Please refer to Download Cookie Consent and Documentation for the Cookie Consent plugin for details on each configuration setting. You can also disable the cookie consent dialog by commenting out the configurations.

_config.icarus.yml
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plugins:
cookie_consent:
# The compliance type. Can be "info", "opt-in", or "opt-out"
type: info
# Theme of the popup. Can be "block", "edgeless", or "classic"
theme: edgeless
# Whether the popup should stay static regardless of the page scrolls
static: false
# Where on the screen the consent popup should display
position: bottom-left
# URL to your site's cookie policy
policyLink: 'https://www.cookiesandyou.com/'

Outdated Browser

Installation Guide

You can use the Outdated Browser plugin to detect outdated browsers used by your site’s visitors and remind them to upgrade their browsers. To enable it, please set plugins > outdated_browser to true in your theme configurations. Click here to see a live preview of this plugin.

_config.icarus.yml
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plugins:
outdated_browser: true

Page Loading Animations

Installation Guide

Page Loading Animations are enabled by Icarus by default. To disable it, please set plugins > animejs to false in your theme configurations.

_config.icarus.yml
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plugins:
animejs: false

Also, to disable the page loading progressbar, please set plugins > progressbar to false in your theme configurations.

_config.icarus.yml
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plugins:
progressbar: false
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Author

PPOffice

Posted on

2017-01-31

Licensed under

CC BY-NC-SA 4.0

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