90 lines
2.3 KiB
Markdown
90 lines
2.3 KiB
Markdown
+++
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title = "Logo presentation example"
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outputs = ["Reveal"]
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[logo]
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src = "github-logo.png"
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[reveal_hugo]
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custom_theme = "reveal-hugo/themes/robot-lung.css"
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margin = 0.2
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+++
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## logo-example
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This presentation shows how to add a logo to each slide, like the GitHub one you see above.
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You can generalize the concept to add any additional markup to your presentations.
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---
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[See the code for this presentation](https://github.com/dzello/reveal-hugo/blob/master/exampleSite/content/logo-example)
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---
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For a basic setup, in the front matter, add an image to the presentation's directory.
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Then, add a logo section in the front matter:
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```toml
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[logo]
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src = "github-logo.png"
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```
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The front matter should end up looking like this:
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```toml
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+++
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title = "Logo presentation example"
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outputs = ["Reveal"]
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[logo]
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src = "github-logo.png"
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+++
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```
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---
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If the logo placement doesn't quite match your needs, you may customize it with the following paramaters:
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```toml
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[logo]
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src = "github-logo.png" # Location of the file displayed.
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alt = "" # Alt text.
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width = "15%" # Size of the file.
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diag = "1%" # How far from the top right should the file be.
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top = "1%" # Overrides diag.
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right = "1%" # Overrides diag.
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```
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- Instead of absolute (`250px`), relative measurments (`12.5%`) should be used. They work better with different screen sizes.
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- By default, null (`""`) is used as alt text for logos, as otherwise the alt text would unneededly get read by screen readers.
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---
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💡 Tip: to make the logo settings present on every presentation, add the settings to your site's configuration file `config.toml` under `[params.logo]`:
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```toml
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[params.logo]
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src = "/img/logo.png"
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```
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Note that now, the path to the logo file shall be absolute, and should be stored in `static/img/logo.png` instead.
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---
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Depending on the theme you're using, your styles will be different. <br>You may also prefer to put your CSS in an external file or your Reveal.js theme.
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For per-presentation override, you may add custom CSS with the ID `#logo` to:
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```text
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layouts/partials/{section}/reveal-hugo/body.html
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```
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Substitute `{section}` for `home` if you are adding a logo to the presentation at `content/_index.md`. Otherwise, substitute the name of the Hugo section where your presentation lives.
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For a site-wide override, use:
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```text
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layouts/partials/{section}/reveal-hugo/body.html
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```
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---
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# 🤗
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That's it.
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Happy Hugo-ing! |