# Slide Show (S9) Gem Now Supports Syntax Highlighting and Headers for Gradients, Title, etc

**URL:** <https://www.ruby-forum.com/t/slide-show-s9-gem-now-supports-syntax-highlighting-and-headers-for-gradients-title-etc/137973>\
**Category:** Ruby\
**Created:** [May 19, 2008, 6:28am UTC](https://www.ruby-forum.com/t/slide-show-s9-gem-now-supports-syntax-highlighting-and-headers-for-gradients-title-etc/137973 "2008-05-19T06:28:37Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![gerald\_b](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/g/b2d939/32.png) [@gerald\_b](https://www.ruby-forum.com/u/gerald_b)\
**Post date:** [May 19, 2008, 6:28am UTC](https://www.ruby-forum.com/t/slide-show-s9-gem-now-supports-syntax-highlighting-and-headers-for-gradients-title-etc/137973/1 "2008-05-19T06:28:37Z")

</div>

Hello,

I’ve published an update to Slide Show (S9) - a Ruby gem that lets  
you create slide shows and author slides in plain text using a  
wiki-style markup language that’s easy-to-write and easy-to-read.

What’s new?

The Slide Show (S9) gem now supports headers that let you set  
options in your source e.g. use

title: Microformats - Adding Semantics to Your Web S. - Web 3.0 in  
Action

to set the web page title. Use

gradient-colors: green lime  
gradient-colors: #0e1f5b #3b5998  
gradient: top-bottom black grey

to set the style and/or colors for your gradient background theme.

Use

code-theme: blackboard  
code-line-numbers: false

to select the Ultraviolet syntax highlighting theme and turn off  
line numbering. Thanks to zimbatm (\*1) for sending in patches for  
fixing the slideshow gem executable on Unix and on getting started  
with syntax highlighting using the Ultraviolet (\*2) gem.

To use/turn on the experimental syntax highlighting in your slide  
shows specify the language using #! ruby after the code block e.g.:

{{{  
#!ruby  
puts “syntaxes:”  
puts Uv.syntaxes.join( ", " )

puts “themes:”  
puts Uv.themes.join( ", " )  
}}}

Finally, I’ve created a new mailing list/forum for free web slide  
show alternatives such as S5, S9, FullerScreen and friends. Join us @  
[http://groups.google.com/group/webslideshow](http://groups.google.com/group/webslideshow)

Find out more about the Slide Show (S9) gem @  
[http://slideshow.rubyforge.org](http://slideshow.rubyforge.org)

Cheers.

(\*1) [http://oree.ch](http://oree.ch)  
(\*2) [http://ultraviolet.rubyforge.org](http://ultraviolet.rubyforge.org)

---

<div class="post-metadata">

**Author:** ![gerald\_b](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/g/b2d939/32.png) [@gerald\_b](https://www.ruby-forum.com/u/gerald_b)\
**Post date:** [May 20, 2008, 8:22pm UTC](https://www.ruby-forum.com/t/slide-show-s9-gem-now-supports-syntax-highlighting-and-headers-for-gradients-title-etc/137973/2 "2008-05-20T20:22:25Z")

</div>

Hello,

To test the new code syntax highlighting machinery powered by the  
Ultraviolet (Uv) gem I have create a mini slideshow tutorial. For your  
enjoyment I have included some “Rubyize this” examples - the 5th  
Edition from RubyFleebie and the RubyCamp 2008 Vancouver Edition. To  
show syntax highlighting for other languages than Ruby I have added  
some Hello World samples from Ada, C, Erlang to Java and PHP.

More @ [http://slideshow.rubyforge.org/syntax.html](http://slideshow.rubyforge.org/syntax.html)  
The textile source resides @  
[http://slideshow.rubyforge.org/svn/samples/syntax.textile](http://slideshow.rubyforge.org/svn/samples/syntax.textile)

Questions? Comments? Send them along to the Free Web Slide Show  
Alternatives - S5, S9, FullerScreen and Friends forum @  
[http://groups.google.com/group/webslideshow](http://groups.google.com/group/webslideshow)

```
Cheers.

```

PS: S9 Bonus Tip: Replace .html with .svg to check your background  
gradient theme in your browser. Try  
[http://slideshow.rubyforge.org/syntax.svg](http://slideshow.rubyforge.org/syntax.svg) (Note, better browsers such  
as Firefox, Opera, etc. required with built-in vector graphics  
machinery).