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MANUAL: Add beamer info for slide backgrounds (#4802)

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John Muccigrosso 2018-07-31 11:36:35 -07:00 • committed by John MacFarlane
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MANUAL.txt
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@ -4449,26 +4449,30 @@ the [Beamer User's Guide] may also be used: `allowdisplaybreaks`,
`allowframebreaks`, `b`, `c`, `t`, `environment`, `label`, `plain`,
`shrink`, `standout`, `noframenumbering`.
Background in reveal.js
-----------------------
Background in reveal.js and beamer
----------------------------------
Background images can be added to self-contained reveal.js slideshows.
Background images can be added to self-contained reveal.js slideshows and
to beamer slideshows.
For the same image on every slide, use the reveal.js configuration
option `parallaxBackgroundImage` either in the YAML metadata block
or as a command-line variable. You can also set
`parallaxBackgroundHorizontal` and `parallaxBackgroundVertical` the same
way and must also set `parallaxBackgroundSize` to have your values
take effect.
For the same image on every slide, use the configuration
option `background-image` either in the YAML metadata block
or as a command-line variable. (There are no other options in
beamer and the rest of this section concerns reveal.js slideshows.)
To set an image for a particular slide, add
For reveal.js, you can instead use the reveal.js-native option
`parallaxBackgroundImage`. You can also set `parallaxBackgroundHorizontal`
and `parallaxBackgroundVertical` the same way and must also set
`parallaxBackgroundSize` to have your values take effect.
To set an image for a particular reveal.js slide, add
`{data-background-image="/path/to/image"}`
to the first slide-level header on the slide (which may even be empty).
In reveal.js's overview mode, the parallaxBackgroundImage will show up
only on the first slide.
Other background settings also work on individual slides, including
Other reveal.js background settings also work on individual slides, including
`data-background-size`, `data-background-repeat`, `data-background-color`,
`data-transition`, and `data-transition-speed`.
@ -4476,7 +4480,7 @@ See the [reveal.js
documentation](https://github.com/hakimel/reveal.js#slide-backgrounds)
for more details.
For example:
For example in reveal.js:
```
---