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Merge pull request #567 from hakimel/dev 

2.5.0
This commit is contained in:
Hakim El Hattab 2013-08-20 20:14:22 -07:00
parent cb26ff6211 2da7c3eacf
commit 4164200474
18 changed files with 1012 additions and 433 deletions
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138
README.md
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@ -52,10 +52,10 @@ This is based on [data-markdown](https://gist.github.com/1343518) from [Paul Iri
#### External Markdown
You can write your content as a separate file and have reveal.js load it at runtime. Note the separator arguments which determine how slides are delimited in the external file.
You can write your content as a separate file and have reveal.js load it at runtime. Note the separator arguments which determine how slides are delimited in the external file. The ```data-charset``` attribute is optional and specifies which charset to use when loading the external file.
```html
<section data-markdown="example.md" data-separator="^\n\n\n" data-vertical="^\n\n"></section>
<section data-markdown="example.md" data-separator="^\n\n\n" data-vertical="^\n\n" data-notes="^Note:" data-charset="iso-8859-15"></section>
```
### Configuration
@ -100,9 +100,6 @@ Reveal.initialize({
// Enable slide navigation via mouse wheel
mouseWheel: false,
// Apply a 3D roll to links on hover
rollingLinks: true,
// Transition style
transition: 'default', // default/cube/page/concave/zoom/linear/fade/none
@ -110,7 +107,7 @@ Reveal.initialize({
transitionSpeed: 'default', // default/fast/slow
// Transition style for full page backgrounds
backgroundTransition: 'default' // default/linear
backgroundTransition: 'default' // default/linear/none
});
```
@ -153,7 +150,10 @@ Reveal.initialize({
{ src: 'plugin/notes/notes.js', async: true, condition: function() { return !!document.body.classList; } },
// Remote control your reveal.js presentation using a touch device
{ src: 'plugin/remotes/remotes.js', async: true, condition: function() { return !!document.body.classList; } }
{ src: 'plugin/remotes/remotes.js', async: true, condition: function() { return !!document.body.classList; } },
// MathJax
{ src: 'plugin/math/math.js', async: true }
]
});
```
@ -370,6 +370,8 @@ The display order of fragments can be controlled using the ```data-fragment-inde
When a slide fragment is either shown or hidden reveal.js will dispatch an event.
Some libraries, like MathJax (see #505), get confused by the initially hidden fragment elements. Often times this can be fixed by calling their update or render function from this callback.
```javascript
Reveal.addEventListener( 'fragmentshown', function( event ) {
// event.fragment = the fragment DOM element
@ -398,7 +400,7 @@ By default, Reveal is configured with [highlight.js](http://softwaremaniacs.org/
### Overview mode
Press "Esc" key to toggle the overview mode on and off. While you're in this mode, you can still navigate between slides,
Press "Esc" or "o" keys to toggle the overview mode on and off. While you're in this mode, you can still navigate between slides,
as if you were at 1,000 feet above your presentation. The overview mode comes with a few API hooks:
```javascript
@ -414,7 +416,7 @@ Just press »F« on your keyboard to show your presentation in fullscreen mode.
### Embedded media
Embedded HTML5 `<video>`/`<audio>` and YouTube iframes are automatically paused when your navigate away from a slide. This can be disabled by decorating your element with a `data-ignore` attribute.
Embedded HTML5 `<video>`/`<audio>` and YouTube iframes are automatically paused when you navigate away from a slide. This can be disabled by decorating your element with a `data-ignore` attribute.
Add `data-autoplay` to your media element if you want it to automatically start playing when the slide is shown:
@ -423,6 +425,21 @@ Add `data-autoplay` to your media element if you want it to automatically start
```
### Stretching elements
Sometimes it's desirable to have an element, like an image or video, stretch to consume as much space as possible within a given slide. This can be done by adding the ```.stretch``` class to an element as seen below:
```html
<section>
<h2>This video will use up the remaining space on the slide</h2>
<video class="stretch" src="http://clips.vorwaerts-gmbh.de/big_buck_bunny.mp4"></video>
</section>
```
Limitations:
- Only direct descendants of a slide section can be stretched
- Only one descendant per slide section can be stretched
## PDF Export
Presentations can be exported to PDF via a special print stylesheet. This feature requires that you use [Google Chrome](http://google.com/chrome).
@ -461,7 +478,7 @@ If you want to add a theme of your own see the instructions here: [/css/theme/RE
reveal.js comes with a speaker notes plugin which can be used to present per-slide notes in a separate browser window. The notes window also gives you a preview of the next upcoming slide so it may be helpful even if you haven't written any notes. Press the 's' key on your keyboard to open the notes window.
By default notes are written using standard HTML, see below, but you can add a ```data-markdown``` attribute to the ```<aside>``` to write them using Markdown.
Notes are defined by appending an ```<aside>``` element to a slide as seen below. You can add the ```data-markdown``` attribute to the aside element if you prefer writing notes using Markdown.
```html
<section>
@ -473,6 +490,20 @@ By default notes are written using standard HTML, see below, but you can add a `
</section>
```
If you're using the external Markdown plugin, you can add notes with the help of a special delimiter:
```html
<section data-markdown="example.md" data-separator="^\n\n\n" data-vertical="^\n\n" data-notes="^Note:"></section>
# Title
## Sub-title
Here is some content...
Note:
This will only display in the notes window.
```
## Server Side Speaker Notes
In some cases it can be desirable to run notes on a separate device from the one you're presenting on. The Node.js-based notes plugin lets you do this using the same note definitions as its client side counterpart. Include the required scripts by adding the following dependencies:
@ -520,23 +551,24 @@ You can then access your master presentation at ```http://localhost:1947```
Example configuration:
```javascript
Reveal.initialize({
// other options
// other options...
multiplex: {
// Example values. Generate your own.
// Example values. To generate your own, see the socket.io server instructions.
secret: '13652805320794272084', // Obtained from the socket.io server. Gives this (the master) control of the presentation
id: '1ea875674b17ca76', // Obtained from socket.io server
url: 'revealjs.jit.su:80' // Location of socket.io server
},
// Optional libraries used to extend on reveal.js
// Don't forget to add the dependencies
dependencies: [
// other deps
{ src: '//cdnjs.cloudflare.com/ajax/libs/socket.io/0.9.10/socket.io.min.js', async: true },
{ src: 'plugin/multiplex/master.js', async: true },
// and if you want speaker notes
{ src: 'plugin/notes-server/client.js', async: true }
// other dependencies...
]
});
```
@ -547,20 +579,21 @@ Served from a publicly accessible static file server. Examples include: GitHub P
Example configuration:
```javascript
Reveal.initialize({
// other options
// other options...
multiplex: {
// Example values. Generate your own.
// Example values. To generate your own, see the socket.io server instructions.
secret: null, // null so the clients do not have control of the master presentation
id: '1ea875674b17ca76', // id, obtained from socket.io server
url: 'revealjs.jit.su:80' // Location of socket.io server
},
// Optional libraries used to extend on reveal.js
// Don't forget to add the dependencies
dependencies: [
// other deps
{ src: '//cdnjs.cloudflare.com/ajax/libs/socket.io/0.9.10/socket.io.min.js', async: true },
{ src: 'plugin/multiplex/client.js', async: true }
// other dependencies...
]
});
```
@ -584,20 +617,21 @@ The socket.io server can play the role of static file server for your client pre
Example configuration:
```javascript
Reveal.initialize({
// other options
// other options...
multiplex: {
// Example values. Generate your own.
// Example values. To generate your own, see the socket.io server instructions.
secret: null, // null so the clients do not have control of the master presentation
id: '1ea875674b17ca76', // id, obtained from socket.io server
url: 'example.com:80' // Location of your socket.io server
},
// Optional libraries used to extend on reveal.js
// Don't forget to add the dependencies
dependencies: [
// other deps
{ src: '//cdnjs.cloudflare.com/ajax/libs/socket.io/0.9.10/socket.io.min.js', async: true },
{ src: 'plugin/multiplex/client.js', async: true }
// other dependencies...
]
```
@ -606,21 +640,22 @@ It can also play the role of static file server for your master presentation and
Example configuration:
```javascript
Reveal.initialize({
// other options
// other options...
multiplex: {
// Example values. Generate your own.
// Example values. To generate your own, see the socket.io server instructions.
secret: '13652805320794272084', // Obtained from the socket.io server. Gives this (the master) control of the presentation
id: '1ea875674b17ca76', // Obtained from socket.io server
url: 'example.com:80' // Location of your socket.io server
},
// Optional libraries used to extend on reveal.js
// Don't forget to add the dependencies
dependencies: [
// other deps
{ src: '//cdnjs.cloudflare.com/ajax/libs/socket.io/0.9.10/socket.io.min.js', async: true },
{ src: 'plugin/multiplex/master.js', async: true },
{ src: 'plugin/multiplex/client.js', async: true }
// other dependencies...
]
});
```
@ -658,17 +693,50 @@ You can edit the following options:
Example configuration:
```js
Reveal.initialize({
// other options
// other options...
leap: {
naturalSwipe : false, // Invert swipe gestures
pointerOpacity : 0.5, // Set pointer opacity to 0.5
pointerColor : '#d80000' // Red pointer
}
// Optional libraries used to extend on reveal.js
{ src: 'plugin/leap/leap.js', async: true }
},
dependencies: [
{ src: 'plugin/leap/leap.js', async: true }
]
});
```
## MathJax
If you want to display math equations in your presentation you can easily do so by including this plugin. The plugin is a very thin wrapper around the [MathJax](http://www.mathjax.org/) library. To use it you'll need to include it as a reveal.js dependency, [find our more about dependencies here](#dependencies).
The plugin defaults to using [LaTeX](http://en.wikipedia.org/wiki/LaTeX) but that can be adjusted through the ```math``` configuration object. Note that MathJax is loaded from a remote server. If you want to use it offline you'll need to download a copy of the library and adjust the ```mathjax``` configuration value.
Below is an example of how the plugin can be configured. If you don't intend to change these values you do not need to include the ```math``` config object at all.
```js
Reveal.initialize({
// other options ...
math: {
mathjax: 'http://cdn.mathjax.org/mathjax/latest/MathJax.js',
config: 'TeX-AMS_HTML-full' // See http://docs.mathjax.org/en/latest/config-files.html
},
dependencies: [
{ src: 'plugin/math/math.js', async: true }
]
});
```
Read MathJax's documentation if you want [secure delivery](http://docs.mathjax.org/en/latest/start.html#secure-access-to-the-cdn) or serve [specific versons](http://docs.mathjax.org/en/latest/configuration.html#loading-mathjax-from-the-cdn) for stabilty.
## Installation
The **basic setup** is for authoring presentations only. The **full setup** gives you access to all reveal.js features and plugins such as speaker notes as well as the development tasks needed to make changes to the source.
@ -692,22 +760,22 @@ Some reveal.js features, like external markdown, require that presentations run
2. Install [Grunt](http://gruntjs.com/getting-started#installing-the-cli)
4. Clone the reveal.js repository
4. Clone the reveal.js repository
```
$ git clone git@github.com:hakimel/reveal.js.git
```
5. Navigate to the reveal.js folder
5. Navigate to the reveal.js folder
```
$ cd reveal.js
```
6. Install dependencies
6. Install dependencies
```
$ npm install
```
7. Serve the presentation and monitor source files for changes
7. Serve the presentation and monitor source files for changes
```
$ grunt serve
```

2
css/print/paper.css
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@ -49,7 +49,7 @@ body, p, td, li, div, a {
}
/* SECTION 4: Set heading font face, sizes, and color.
Diffrentiate your headings from your body text.
Differentiate your headings from your body text.
Perhaps use a large sans-serif for distinction. */
h1,h2,h3,h4,h5,h6 {
color: #000!important;

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css/print/pdf.css
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@ -56,7 +56,7 @@ body, p, td, li, div {
}
/* SECTION 4: Set heading font face, sizes, and color.
Diffrentiate your headings from your body text.
Differentiate your headings from your body text.
Perhaps use a large sans-serif for distinction. */
h1,h2,h3,h4,h5,h6 {
text-shadow: 0 0 0 #000 !important;

223
css/reveal.css
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@ -205,6 +205,10 @@ body {
font-style: italic;
}
.reveal iframe {
z-index: 1;
}
/* Ensure certain elements are never larger than the slide itself */
.reveal img,
.reveal video,
@ -314,6 +318,14 @@ body {
max-height: 400px;
word-wrap: normal;
}
.reveal pre.stretch code {
height: 100%;
max-height: 100%;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
}
.reveal table th,
.reveal table td {
@ -343,6 +355,11 @@ body {
vertical-align: top;
}
.reveal .stretch {
max-width: none;
max-height: none;
}
/*********************************************
* CONTROLS
@ -460,90 +477,6 @@ body {
}
/*********************************************
* ROLLING LINKS
*********************************************/
.reveal .roll {
display: inline-block;
line-height: 1.2;
overflow: hidden;
vertical-align: top;
-webkit-perspective: 400px;
-moz-perspective: 400px;
-ms-perspective: 400px;
perspective: 400px;
-webkit-perspective-origin: 50% 50%;
-moz-perspective-origin: 50% 50%;
-ms-perspective-origin: 50% 50%;
perspective-origin: 50% 50%;
}
.reveal .roll:hover {
background: none;
text-shadow: none;
}
.reveal .roll span {
display: block;
position: relative;
padding: 0 2px;
pointer-events: none;
-webkit-transition: all 400ms ease;
-moz-transition: all 400ms ease;
-ms-transition: all 400ms ease;
transition: all 400ms ease;
-webkit-transform-origin: 50% 0%;
-moz-transform-origin: 50% 0%;
-ms-transform-origin: 50% 0%;
transform-origin: 50% 0%;
-webkit-transform-style: preserve-3d;
-moz-transform-style: preserve-3d;
-ms-transform-style: preserve-3d;
transform-style: preserve-3d;
-webkit-backface-visibility: hidden;
-moz-backface-visibility: hidden;
backface-visibility: hidden;
}
.reveal .roll:hover span {
background: rgba(0,0,0,0.5);
-webkit-transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg );
-moz-transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg );
-ms-transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg );
transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg );
}
.reveal .roll span:after {
content: attr(data-title);
display: block;
position: absolute;
left: 0;
top: 0;
padding: 0 2px;
-webkit-backface-visibility: hidden;
-moz-backface-visibility: hidden;
backface-visibility: hidden;
-webkit-transform-origin: 50% 0%;
-moz-transform-origin: 50% 0%;
-ms-transform-origin: 50% 0%;
transform-origin: 50% 0%;
-webkit-transform: translate3d( 0px, 110%, 0px ) rotateX( -90deg );
-moz-transform: translate3d( 0px, 110%, 0px ) rotateX( -90deg );
-ms-transform: translate3d( 0px, 110%, 0px ) rotateX( -90deg );
transform: translate3d( 0px, 110%, 0px ) rotateX( -90deg );
}
/*********************************************
* SLIDES
*********************************************/
@ -673,6 +606,19 @@ body {
min-height: auto !important;
}
/* Don't allow interaction with invisible slides */
.reveal .slides>section.future,
.reveal .slides>section>section.future,
.reveal .slides>section.past,
.reveal .slides>section>section.past {
pointer-events: none;
}
.reveal.overview .slides>section,
.reveal.overview .slides>section>section {
pointer-events: auto;
}
/*********************************************
@ -1152,9 +1098,10 @@ body {
.reveal.overview .slides section {
height: 600px;
top: -300px !important;
overflow: hidden;
opacity: 1!important;
visibility: visible!important;
opacity: 1 !important;
visibility: visible !important;
cursor: pointer;
background: rgba(0,0,0,0.1);
}
@ -1177,6 +1124,7 @@ body {
}
.reveal.overview .slides>section.stack {
padding: 0;
top: 0 !important;
background: none;
overflow: visible;
}
@ -1345,6 +1293,16 @@ body {
visibility: visible !important;
}
/* Immediate transition style */
.reveal[data-background-transition=none]>.backgrounds .slide-background,
.reveal>.backgrounds .slide-background[data-background-transition=none] {
-webkit-transition: none;
-moz-transition: none;
-ms-transition: none;
-o-transition: none;
transition: none;
}
/* Linear sliding transition style */
.reveal[data-background-transition=slide]>.backgrounds .slide-background,
.reveal>.backgrounds .slide-background[data-background-transition=slide] {
@ -1564,6 +1522,90 @@ body {
}
/*********************************************
* ROLLING LINKS
*********************************************/
.reveal .roll {
display: inline-block;
line-height: 1.2;
overflow: hidden;
vertical-align: top;
-webkit-perspective: 400px;
-moz-perspective: 400px;
-ms-perspective: 400px;
perspective: 400px;
-webkit-perspective-origin: 50% 50%;
-moz-perspective-origin: 50% 50%;
-ms-perspective-origin: 50% 50%;
perspective-origin: 50% 50%;
}
.reveal .roll:hover {
background: none;
text-shadow: none;
}
.reveal .roll span {
display: block;
position: relative;
padding: 0 2px;
pointer-events: none;
-webkit-transition: all 400ms ease;
-moz-transition: all 400ms ease;
-ms-transition: all 400ms ease;
transition: all 400ms ease;
-webkit-transform-origin: 50% 0%;
-moz-transform-origin: 50% 0%;
-ms-transform-origin: 50% 0%;
transform-origin: 50% 0%;
-webkit-transform-style: preserve-3d;
-moz-transform-style: preserve-3d;
-ms-transform-style: preserve-3d;
transform-style: preserve-3d;
-webkit-backface-visibility: hidden;
-moz-backface-visibility: hidden;
backface-visibility: hidden;
}
.reveal .roll:hover span {
background: rgba(0,0,0,0.5);
-webkit-transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg );
-moz-transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg );
-ms-transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg );
transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg );
}
.reveal .roll span:after {
content: attr(data-title);
display: block;
position: absolute;
left: 0;
top: 0;
padding: 0 2px;
-webkit-backface-visibility: hidden;
-moz-backface-visibility: hidden;
backface-visibility: hidden;
-webkit-transform-origin: 50% 0%;
-moz-transform-origin: 50% 0%;
-ms-transform-origin: 50% 0%;
transform-origin: 50% 0%;
-webkit-transform: translate3d( 0px, 110%, 0px ) rotateX( -90deg );
-moz-transform: translate3d( 0px, 110%, 0px ) rotateX( -90deg );
-ms-transform: translate3d( 0px, 110%, 0px ) rotateX( -90deg );
transform: translate3d( 0px, 110%, 0px ) rotateX( -90deg );
}
/*********************************************
* SPEAKER NOTES
*********************************************/
@ -1605,12 +1647,3 @@ body {
}
/*********************************************
* LEAP PLUGIN
*********************************************/
#leap {
position: absolute;
z-index: 50;
visibility: hidden;
}

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css/theme/template/settings.scss
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@ -10,6 +10,7 @@ $mainFontSize: 36px;
$mainColor: #eee;
// Headings
$headingMargin: 0 0 20px 0;
$headingFont: 'League Gothic', Impact, sans-serif;
$headingColor: #eee;
$headingLineHeight: 0.9em;

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css/theme/template/theme.scss
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@ -33,7 +33,7 @@ body {
.reveal h4,
.reveal h5,
.reveal h6 {
margin: 0 0 20px 0;
margin: $headingMargin;
color: $headingColor;
font-family: $headingFont;

185
examples/math.html Normal file
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@ -0,0 +1,185 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>reveal.js - Math Plugin</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<link rel="stylesheet" href="../css/reveal.min.css">
<link rel="stylesheet" href="../css/theme/night.css" id="theme">
</head>
<body>
<div class="reveal">
<div class="slides">
<section>
<h2>reveal.js Math Plugin</h2>
<p>A thin wrapper for MathJax</p>
</section>
<section>
<h3>The Lorenz Equations</h3>
\[\begin{aligned}
\dot{x} &amp; = \sigma(y-x) \\
\dot{y} &amp; = \rho x - y - xz \\
\dot{z} &amp; = -\beta z + xy
\end{aligned} \]
</section>
<section>
<h3>The Cauchy-Schwarz Inequality</h3>
<script type="math/tex; mode=display">
\left( \sum_{k=1}^n a_k b_k \right)^2 \leq \left( \sum_{k=1}^n a_k^2 \right) \left( \sum_{k=1}^n b_k^2 \right)
</script>
</section>
<section>
<h3>A Cross Product Formula</h3>
\[\mathbf{V}_1 \times \mathbf{V}_2 = \begin{vmatrix}
\mathbf{i} &amp; \mathbf{j} &amp; \mathbf{k} \\
\frac{\partial X}{\partial u} &amp; \frac{\partial Y}{\partial u} &amp; 0 \\
\frac{\partial X}{\partial v} &amp; \frac{\partial Y}{\partial v} &amp; 0
\end{vmatrix} \]
</section>
<section>
<h3>The probability of getting \(k\) heads when flipping \(n\) coins is</h3>
\[P(E) = {n \choose k} p^k (1-p)^{ n-k} \]
</section>
<section>
<h3>An Identity of Ramanujan</h3>
\[ \frac{1}{\Bigl(\sqrt{\phi \sqrt{5}}-\phi\Bigr) e^{\frac25 \pi}} =
1+\frac{e^{-2\pi}} {1+\frac{e^{-4\pi}} {1+\frac{e^{-6\pi}}
{1+\frac{e^{-8\pi}} {1+\ldots} } } } \]
</section>
<section>
<h3>A Rogers-Ramanujan Identity</h3>
\[ 1 + \frac{q^2}{(1-q)}+\frac{q^6}{(1-q)(1-q^2)}+\cdots =
\prod_{j=0}^{\infty}\frac{1}{(1-q^{5j+2})(1-q^{5j+3})}\]
</section>
<section>
<h3>Maxwell&#8217;s Equations</h3>
\[ \begin{aligned}
\nabla \times \vec{\mathbf{B}} -\, \frac1c\, \frac{\partial\vec{\mathbf{E}}}{\partial t} &amp; = \frac{4\pi}{c}\vec{\mathbf{j}} \\ \nabla \cdot \vec{\mathbf{E}} &amp; = 4 \pi \rho \\
\nabla \times \vec{\mathbf{E}}\, +\, \frac1c\, \frac{\partial\vec{\mathbf{B}}}{\partial t} &amp; = \vec{\mathbf{0}} \\
\nabla \cdot \vec{\mathbf{B}} &amp; = 0 \end{aligned}
\]
</section>
<section>
<section>
<h3>The Lorenz Equations</h3>
<div class="fragment">
\[\begin{aligned}
\dot{x} &amp; = \sigma(y-x) \\
\dot{y} &amp; = \rho x - y - xz \\
\dot{z} &amp; = -\beta z + xy
\end{aligned} \]
</div>
</section>
<section>
<h3>The Cauchy-Schwarz Inequality</h3>
<div class="fragment">
\[ \left( \sum_{k=1}^n a_k b_k \right)^2 \leq \left( \sum_{k=1}^n a_k^2 \right) \left( \sum_{k=1}^n b_k^2 \right) \]
</div>
</section>
<section>
<h3>A Cross Product Formula</h3>
<div class="fragment">
\[\mathbf{V}_1 \times \mathbf{V}_2 = \begin{vmatrix}
\mathbf{i} &amp; \mathbf{j} &amp; \mathbf{k} \\
\frac{\partial X}{\partial u} &amp; \frac{\partial Y}{\partial u} &amp; 0 \\
\frac{\partial X}{\partial v} &amp; \frac{\partial Y}{\partial v} &amp; 0
\end{vmatrix} \]
</div>
</section>
<section>
<h3>The probability of getting \(k\) heads when flipping \(n\) coins is</h3>
<div class="fragment">
\[P(E) = {n \choose k} p^k (1-p)^{ n-k} \]
</div>
</section>
<section>
<h3>An Identity of Ramanujan</h3>
<div class="fragment">
\[ \frac{1}{\Bigl(\sqrt{\phi \sqrt{5}}-\phi\Bigr) e^{\frac25 \pi}} =
1+\frac{e^{-2\pi}} {1+\frac{e^{-4\pi}} {1+\frac{e^{-6\pi}}
{1+\frac{e^{-8\pi}} {1+\ldots} } } } \]
</div>
</section>
<section>
<h3>A Rogers-Ramanujan Identity</h3>
<div class="fragment">
\[ 1 + \frac{q^2}{(1-q)}+\frac{q^6}{(1-q)(1-q^2)}+\cdots =
\prod_{j=0}^{\infty}\frac{1}{(1-q^{5j+2})(1-q^{5j+3})}\]
</div>
</section>
<section>
<h3>Maxwell&#8217;s Equations</h3>
<div class="fragment">
\[ \begin{aligned}
\nabla \times \vec{\mathbf{B}} -\, \frac1c\, \frac{\partial\vec{\mathbf{E}}}{\partial t} &amp; = \frac{4\pi}{c}\vec{\mathbf{j}} \\ \nabla \cdot \vec{\mathbf{E}} &amp; = 4 \pi \rho \\
\nabla \times \vec{\mathbf{E}}\, +\, \frac1c\, \frac{\partial\vec{\mathbf{B}}}{\partial t} &amp; = \vec{\mathbf{0}} \\
\nabla \cdot \vec{\mathbf{B}} &amp; = 0 \end{aligned}
\]
</div>
</section>
</section>
</div>
</div>
<script src="../lib/js/head.min.js"></script>
<script src="../js/reveal.min.js"></script>
<script>
Reveal.initialize({
history: true,
transition: 'linear',
math: {
// mathjax: 'http://cdn.mathjax.org/mathjax/latest/MathJax.js',
config: 'TeX-AMS_HTML-full'
},
dependencies: [
{ src: '../lib/js/classList.js' },
{ src: '../plugin/math/math.js', async: true }
]
});
</script>
</body>
</html>

3
index.html
View File

@ -371,9 +371,6 @@ function linkify( selector ) {
{ src: 'plugin/highlight/highlight.js', async: true, callback: function() { hljs.initHighlightingOnLoad(); } },
{ src: 'plugin/zoom-js/zoom.js', async: true, condition: function() { return !!document.body.classList; } },
{ src: 'plugin/notes/notes.js', async: true, condition: function() { return !!document.body.classList; } }
// { src: 'plugin/leap/leap.js', async: true }
// { src: 'plugin/search/search.js', async: true, condition: function() { return !!document.body.classList; } }
// { src: 'plugin/remotes/remotes.js', async: true, condition: function() { return !!document.body.classList; } }
]
});

623
js/reveal.js
View File

@ -59,6 +59,10 @@ var Reveal = (function(){
// Turns fragments on and off globally
fragments: true,
// Flags if the presentation is running in an embedded mode,
// i.e. contained within a limited portion of the screen
embedded: false,
// Number of milliseconds between automatically proceeding to the
// next slide, disabled when set to 0, this value can be overwritten
// by using a data-autoslide attribute on your slides
@ -68,7 +72,7 @@ var Reveal = (function(){
mouseWheel: false,
// Apply a 3D roll to links on hover
rollingLinks: true,
rollingLinks: false,
// Opens links in an iframe preview overlay
previewLinks: false,
@ -83,18 +87,24 @@ var Reveal = (function(){
transitionSpeed: 'default', // default/fast/slow
// Transition style for full page slide backgrounds
backgroundTransition: 'default', // default/linear
backgroundTransition: 'default', // default/linear/none
// Number of slides away from the current that are visible
viewDistance: 3,
// Script dependencies to load
dependencies: []
},
// Flags if reveal.js is loaded (has dispatched the 'ready' event)
loaded = false,
// The current auto-slide duration
autoSlide = 0,
// The horizontal and vertical index of the currently active slide
indexh = 0,
indexv = 0,
indexh,
indexv,
// The previous and current slide HTML elements
previousSlide,
@ -111,19 +121,14 @@ var Reveal = (function(){
// Cached references to DOM elements
dom = {},
// Detect support for CSS 3D transforms
supports3DTransforms = 'WebkitPerspective' in document.body.style ||
'MozPerspective' in document.body.style ||
'msPerspective' in document.body.style ||
'OPerspective' in document.body.style ||
'perspective' in document.body.style,
// Client support for CSS 3D transforms, see #checkCapabilities()
supports3DTransforms,
// Detect support for CSS 2D transforms
supports2DTransforms = 'WebkitTransform' in document.body.style ||
'MozTransform' in document.body.style ||
'msTransform' in document.body.style ||
'OTransform' in document.body.style ||
'transform' in document.body.style,
// Client support for CSS 2D transforms, see #checkCapabilities()
supports2DTransforms,
// Client is a mobile device, see #checkCapabilities()
isMobileDevice,
// Throttles mouse wheel navigation
lastMouseWheelStep = 0,
@ -149,8 +154,8 @@ var Reveal = (function(){
startY: 0,
startSpan: 0,
startCount: 0,
handled: false,
threshold: 80
captured: false,
threshold: 40
};
/**
@ -158,6 +163,8 @@ var Reveal = (function(){
*/
function initialize( options ) {
checkCapabilities();
if( !supports2DTransforms && !supports3DTransforms ) {
document.body.setAttribute( 'class', 'no-transforms' );
@ -180,6 +187,136 @@ var Reveal = (function(){
}
/**
* Inspect the client to see what it's capable of, this
* should only happens once per runtime.
*/
function checkCapabilities() {
supports3DTransforms = 'WebkitPerspective' in document.body.style ||
'MozPerspective' in document.body.style ||
'msPerspective' in document.body.style ||
'OPerspective' in document.body.style ||
'perspective' in document.body.style;
supports2DTransforms = 'WebkitTransform' in document.body.style ||
'MozTransform' in document.body.style ||
'msTransform' in document.body.style ||
'OTransform' in document.body.style ||
'transform' in document.body.style;
isMobileDevice = navigator.userAgent.match( /(iphone|ipod|android)/gi );
}
/**
* Loads the dependencies of reveal.js. Dependencies are
* defined via the configuration option 'dependencies'
* and will be loaded prior to starting/binding reveal.js.
* Some dependencies may have an 'async' flag, if so they
* will load after reveal.js has been started up.
*/
function load() {
var scripts = [],
scriptsAsync = [];
for( var i = 0, len = config.dependencies.length; i < len; i++ ) {
var s = config.dependencies[i];
// Load if there's no condition or the condition is truthy
if( !s.condition || s.condition() ) {
if( s.async ) {
scriptsAsync.push( s.src );
}
else {
scripts.push( s.src );
}
// Extension may contain callback functions
if( typeof s.callback === 'function' ) {
head.ready( s.src.match( /([\w\d_\-]*)\.?js$|[^\\\/]*$/i )[0], s.callback );
}
}
}
// Called once synchronous scripts finish loading
function proceed() {
if( scriptsAsync.length ) {
// Load asynchronous scripts
head.js.apply( null, scriptsAsync );
}
start();
}
if( scripts.length ) {
head.ready( proceed );
// Load synchronous scripts
head.js.apply( null, scripts );
}
else {
proceed();
}
}
/**
* Starts up reveal.js by binding input events and navigating
* to the current URL deeplink if there is one.
*/
function start() {
// Make sure we've got all the DOM elements we need
setupDOM();
// Decorate the slide DOM elements with state classes (past/future)
setupSlides();
// Updates the presentation to match the current configuration values
configure();
// Read the initial hash
readURL();
// Notify listeners that the presentation is ready but use a 1ms
// timeout to ensure it's not fired synchronously after #initialize()
setTimeout( function() {
// Enable transitions now that we're loaded
dom.slides.classList.remove( 'no-transition' );
loaded = true;
dispatchEvent( 'ready', {
'indexh': indexh,
'indexv': indexv,
'currentSlide': currentSlide
} );
}, 1 );
}
/**
* Iterates through and decorates slides DOM elements with
* appropriate classes.
*/
function setupSlides() {
var horizontalSlides = toArray( document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) );
horizontalSlides.forEach( function( horizontalSlide ) {
var verticalSlides = toArray( horizontalSlide.querySelectorAll( 'section' ) );
verticalSlides.forEach( function( verticalSlide, y ) {
if( y > 0 ) verticalSlide.classList.add( 'future' );
} );
} );
}
/**
* Finds and stores references to DOM elements which are
* required by the presentation. If a required element is
@ -192,50 +329,30 @@ var Reveal = (function(){
dom.wrapper = document.querySelector( '.reveal' );
dom.slides = document.querySelector( '.reveal .slides' );
// Prevent transitions while we're loading
dom.slides.classList.add( 'no-transition' );
// Background element
if( !document.querySelector( '.reveal .backgrounds' ) ) {
dom.background = document.createElement( 'div' );
dom.background.classList.add( 'backgrounds' );
dom.wrapper.appendChild( dom.background );
}
dom.background = createSingletonNode( dom.wrapper, 'div', 'backgrounds', null );
// Progress bar
if( !dom.wrapper.querySelector( '.progress' ) ) {
var progressElement = document.createElement( 'div' );
progressElement.classList.add( 'progress' );
progressElement.innerHTML = '<span></span>';
dom.wrapper.appendChild( progressElement );
}
dom.progress = createSingletonNode( dom.wrapper, 'div', 'progress', '<span></span>' );
dom.progressbar = dom.progress.querySelector( 'span' );
// Arrow controls
if( !dom.wrapper.querySelector( '.controls' ) ) {
var controlsElement = document.createElement( 'aside' );
controlsElement.classList.add( 'controls' );
controlsElement.innerHTML = '<div class="navigate-left"></div>' +
'<div class="navigate-right"></div>' +
'<div class="navigate-up"></div>' +
'<div class="navigate-down"></div>';
dom.wrapper.appendChild( controlsElement );
}
createSingletonNode( dom.wrapper, 'aside', 'controls',
'<div class="navigate-left"></div>' +
'<div class="navigate-right"></div>' +
'<div class="navigate-up"></div>' +
'<div class="navigate-down"></div>' );
// State background element [DEPRECATED]
if( !dom.wrapper.querySelector( '.state-background' ) ) {
var stateBackgroundElement = document.createElement( 'div' );
stateBackgroundElement.classList.add( 'state-background' );
dom.wrapper.appendChild( stateBackgroundElement );
}
createSingletonNode( dom.wrapper, 'div', 'state-background', null );
// Overlay graphic which is displayed during the paused mode
if( !dom.wrapper.querySelector( '.pause-overlay' ) ) {
var pausedElement = document.createElement( 'div' );
pausedElement.classList.add( 'pause-overlay' );
dom.wrapper.appendChild( pausedElement );
}
createSingletonNode( dom.wrapper, 'div', 'pause-overlay', null );
// Cache references to elements
dom.progress = document.querySelector( '.reveal .progress' );
dom.progressbar = document.querySelector( '.reveal .progress span' );
if ( config.controls ) {
dom.controls = document.querySelector( '.reveal .controls' );
@ -250,6 +367,26 @@ var Reveal = (function(){
}
/**
* Creates an HTML element and returns a reference to it.
* If the element already exists the existing instance will
* be returned.
*/
function createSingletonNode( container, tagname, classname, innerHTML ) {
var node = container.querySelector( '.' + classname );
if( !node ) {
node = document.createElement( tagname );
node.classList.add( classname );
if( innerHTML !== null ) {
node.innerHTML = innerHTML;
}
container.appendChild( node );
}
return node;
}
/**
* Creates the slide background elements and appends them
* to the background container. One element is created per
@ -334,99 +471,6 @@ var Reveal = (function(){
}
/**
* Hides the address bar if we're on a mobile device.
*/
function hideAddressBar() {
if( /iphone|ipod|android/gi.test( navigator.userAgent ) && !/crios/gi.test( navigator.userAgent ) ) {
// Events that should trigger the address bar to hide
window.addEventListener( 'load', removeAddressBar, false );
window.addEventListener( 'orientationchange', removeAddressBar, false );
}
}
/**
* Loads the dependencies of reveal.js. Dependencies are
* defined via the configuration option 'dependencies'
* and will be loaded prior to starting/binding reveal.js.
* Some dependencies may have an 'async' flag, if so they
* will load after reveal.js has been started up.
*/
function load() {
var scripts = [],
scriptsAsync = [];
for( var i = 0, len = config.dependencies.length; i < len; i++ ) {
var s = config.dependencies[i];
// Load if there's no condition or the condition is truthy
if( !s.condition || s.condition() ) {
if( s.async ) {
scriptsAsync.push( s.src );
}
else {
scripts.push( s.src );
}
// Extension may contain callback functions
if( typeof s.callback === 'function' ) {
head.ready( s.src.match( /([\w\d_\-]*)\.?js$|[^\\\/]*$/i )[0], s.callback );
}
}
}
// Called once synchronous scripts finish loading
function proceed() {
if( scriptsAsync.length ) {
// Load asynchronous scripts
head.js.apply( null, scriptsAsync );
}
start();
}
if( scripts.length ) {
head.ready( proceed );
// Load synchronous scripts
head.js.apply( null, scripts );
}
else {
proceed();
}
}
/**
* Starts up reveal.js by binding input events and navigating
* to the current URL deeplink if there is one.
*/
function start() {
// Make sure we've got all the DOM elements we need
setupDOM();
// Updates the presentation to match the current configuration values
configure();
// Read the initial hash
readURL();
// Notify listeners that the presentation is ready but use a 1ms
// timeout to ensure it's not fired synchronously after #initialize()
setTimeout( function() {
dispatchEvent( 'ready', {
'indexh': indexh,
'indexv': indexv,
'currentSlide': currentSlide
} );
}, 1 );
}
/**
* Applies the configuration settings from the config
* object. May be called multiple times.
@ -630,6 +674,19 @@ var Reveal = (function(){
}
/**
* Applies a CSS transform to the target element.
*/
function transformElement( element, transform ) {
element.style.WebkitTransform = transform;
element.style.MozTransform = transform;
element.style.msTransform = transform;
element.style.OTransform = transform;
element.style.transform = transform;
}
/**
* Retrieves the height of the given element by looking
* at the position and height of its immediate children.
@ -665,6 +722,48 @@ var Reveal = (function(){
}
/**
* Returns the remaining height within the parent of the
* target element after subtracting the height of all
* siblings.
*
* remaining height = [parent height] - [ siblings height]
*/
function getRemainingHeight( element, height ) {
height = height || 0;
if( element ) {
var parent = element.parentNode;
var siblings = parent.childNodes;
// Subtract the height of each sibling
toArray( siblings ).forEach( function( sibling ) {
if( typeof sibling.offsetHeight === 'number' && sibling !== element ) {
var styles = window.getComputedStyle( sibling ),
marginTop = parseInt( styles.marginTop, 10 ),
marginBottom = parseInt( styles.marginBottom, 10 );
height -= sibling.offsetHeight + marginTop + marginBottom;
}
} );
var elementStyles = window.getComputedStyle( element );
// Subtract the margins of the target element
height -= parseInt( elementStyles.marginTop, 10 ) +
parseInt( elementStyles.marginBottom, 10 );
}
return height;
}
/**
* Checks if this instance is being used to print a PDF.
*/
@ -674,6 +773,19 @@ var Reveal = (function(){
}
/**
* Hides the address bar if we're on a mobile device.
*/
function hideAddressBar() {
if( /iphone|ipod|android/gi.test( navigator.userAgent ) && !/crios/gi.test( navigator.userAgent ) ) {
// Events that should trigger the address bar to hide
window.addEventListener( 'load', removeAddressBar, false );
window.addEventListener( 'orientationchange', removeAddressBar, false );
}
}
/**
* Causes the address bar to hide on mobile devices,
* more vertical space ftw.
@ -886,7 +998,11 @@ var Reveal = (function(){
// Dimensions of the content
var slideWidth = config.width,
slideHeight = config.height;
slideHeight = config.height,
slidePadding = 20; // TODO Dig this out of DOM
// Layout the contents of the slides
layoutSlideContents( config.width, config.height, slidePadding );
// Slide width may be a percentage of available width
if( typeof slideWidth === 'string' && /%$/.test( slideWidth ) ) {
@ -915,13 +1031,7 @@ var Reveal = (function(){
}
// Apply scale transform as a fallback
else {
var transform = 'translate(-50%, -50%) scale('+ scale +') translate(50%, 50%)';
dom.slides.style.WebkitTransform = transform;
dom.slides.style.MozTransform = transform;
dom.slides.style.msTransform = transform;
dom.slides.style.OTransform = transform;
dom.slides.style.transform = transform;
transformElement( dom.slides, 'translate(-50%, -50%) scale('+ scale +') translate(50%, 50%)' );
}
// Select all slides, vertical and horizontal
@ -942,7 +1052,7 @@ var Reveal = (function(){
slide.style.top = 0;
}
else {
slide.style.top = Math.max( - ( getAbsoluteHeight( slide ) / 2 ) - 20, -slideHeight / 2 ) + 'px';
slide.style.top = Math.max( - ( getAbsoluteHeight( slide ) / 2 ) - slidePadding, -slideHeight / 2 ) + 'px';
}
}
else {
@ -957,6 +1067,38 @@ var Reveal = (function(){
}
/**
* Applies layout logic to the contents of all slides in
* the presentation.
*/
function layoutSlideContents( width, height, padding ) {
// Handle sizing of elements with the 'stretch' class
toArray( dom.slides.querySelectorAll( 'section > .stretch' ) ).forEach( function( element ) {
// Determine how much vertical space we can use
var remainingHeight = getRemainingHeight( element, ( height - ( padding * 2 ) ) );
// Consider the aspect ratio of media elements
if( /(img|video)/gi.test( element.nodeName ) ) {
var nw = element.naturalWidth || element.videoWidth,
nh = element.naturalHeight || element.videoHeight;
var es = Math.min( width / nw, remainingHeight / nh );
element.style.width = ( nw * es ) + 'px';
element.style.height = ( nh * es ) + 'px';
}
else {
element.style.width = width + 'px';
element.style.height = remainingHeight + 'px';
}
} );
}
/**
* Stores the vertical index of a stack so that the same
* vertical slide can be selected when navigating to and
@ -1010,6 +1152,9 @@ var Reveal = (function(){
var wasActive = dom.wrapper.classList.contains( 'overview' );
// Vary the depth of the overview based on screen size
var depth = window.innerWidth < 400 ? 1000 : 2500;
dom.wrapper.classList.add( 'overview' );
dom.wrapper.classList.remove( 'exit-overview' );
@ -1025,16 +1170,12 @@ var Reveal = (function(){
for( var i = 0, len1 = horizontalSlides.length; i < len1; i++ ) {
var hslide = horizontalSlides[i],
hoffset = config.rtl ? -105 : 105,
htransform = 'translateZ(-2500px) translate(' + ( ( i - indexh ) * hoffset ) + '%, 0%)';
hoffset = config.rtl ? -105 : 105;
hslide.setAttribute( 'data-index-h', i );
hslide.style.display = 'block';
hslide.style.WebkitTransform = htransform;
hslide.style.MozTransform = htransform;
hslide.style.msTransform = htransform;
hslide.style.OTransform = htransform;
hslide.style.transform = htransform;
// Apply CSS transform
transformElement( hslide, 'translateZ(-'+ depth +'px) translate(' + ( ( i - indexh ) * hoffset ) + '%, 0%)' );
if( hslide.classList.contains( 'stack' ) ) {
@ -1043,17 +1184,13 @@ var Reveal = (function(){
for( var j = 0, len2 = verticalSlides.length; j < len2; j++ ) {
var verticalIndex = i === indexh ? indexv : getPreviousVerticalIndex( hslide );
var vslide = verticalSlides[j],
vtransform = 'translate(0%, ' + ( ( j - verticalIndex ) * 105 ) + '%)';
var vslide = verticalSlides[j];
vslide.setAttribute( 'data-index-h', i );
vslide.setAttribute( 'data-index-v', j );
vslide.style.display = 'block';
vslide.style.WebkitTransform = vtransform;
vslide.style.MozTransform = vtransform;
vslide.style.msTransform = vtransform;
vslide.style.OTransform = vtransform;
vslide.style.transform = vtransform;
// Apply CSS transform
transformElement( vslide, 'translate(0%, ' + ( ( j - verticalIndex ) * 105 ) + '%)' );
// Navigate to this slide on click
vslide.addEventListener( 'click', onOverviewSlideClicked, true );
@ -1068,6 +1205,8 @@ var Reveal = (function(){
}
}
updateSlidesVisibility();
layout();
if( !wasActive ) {
@ -1117,11 +1256,7 @@ var Reveal = (function(){
element.style.display = '';
// Resets all transforms to use the external styles
element.style.WebkitTransform = '';
element.style.MozTransform = '';
element.style.msTransform = '';
element.style.OTransform = '';
element.style.transform = '';
transformElement( element, '' );
element.removeEventListener( 'click', onOverviewSlideClicked, true );
}
@ -1302,13 +1437,16 @@ var Reveal = (function(){
// Reset the state array
state.length = 0;
var indexhBefore = indexh,
indexvBefore = indexv;
var indexhBefore = indexh || 0,
indexvBefore = indexv || 0;
// Activate and transition to the new slide
indexh = updateSlides( HORIZONTAL_SLIDES_SELECTOR, h === undefined ? indexh : h );
indexv = updateSlides( VERTICAL_SLIDES_SELECTOR, v === undefined ? indexv : v );
// Update the visibility of slides now that the indices have changed
updateSlidesVisibility();
layout();
// Apply the new state
@ -1338,10 +1476,6 @@ var Reveal = (function(){
activateOverview();
}
// Update the URL hash after a delay since updating it mid-transition
// is likely to cause visual lag
writeURL( 1500 );
// Find the current horizontal slide and any possible vertical slides
// within it
var currentHorizontalSlide = horizontalSlides[ indexh ],
@ -1413,6 +1547,9 @@ var Reveal = (function(){
updateProgress();
updateBackground();
// Update the URL hash
writeURL();
}
/**
@ -1481,16 +1618,6 @@ var Reveal = (function(){
for( var i = 0; i < slidesLength; i++ ) {
var element = slides[i];
// Optimization; hide all slides that are three or more steps
// away from the present slide
if( isOverview() === false ) {
// The distance loops so that it measures 1 between the first
// and last slides
var distance = Math.abs( ( index - i ) % ( slidesLength - 3 ) ) || 0;
element.style.display = distance > 3 ? 'none' : 'block';
}
var reverse = config.rtl && !isVerticalSlide( element );
element.classList.remove( 'past' );
@ -1507,6 +1634,13 @@ var Reveal = (function(){
else if( i > index ) {
// Any element subsequent to index is given the 'future' class
element.classList.add( reverse ? 'past' : 'future' );
var fragments = toArray( element.querySelectorAll( '.fragment.visible' ) );
// No fragments in future slides should be visible ahead of time
while( fragments.length ) {
fragments.pop().classList.remove( 'visible' );
}
}
// If this element contains vertical slides
@ -1526,7 +1660,7 @@ var Reveal = (function(){
state = state.concat( slideState.split( ' ' ) );
}
// If this slide has a data-autoslide attribtue associated use this as
// If this slide has a data-autoslide attribute associated use this as
// autoSlide value otherwise use the global configured time
var slideAutoSlide = slides[index].getAttribute( 'data-autoslide' );
if( slideAutoSlide ) {
@ -1536,6 +1670,8 @@ var Reveal = (function(){
autoSlide = config.autoSlide;
}
cueAutoSlide();
}
else {
// Since there are no slides we can't be anywhere beyond the
@ -1547,6 +1683,61 @@ var Reveal = (function(){
}
/**
* Optimization method; hide all slides that are far away
* from the present slide.
*/
function updateSlidesVisibility() {
// Select all slides and convert the NodeList result to
// an array
var horizontalSlides = toArray( document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) ),
horizontalSlidesLength = horizontalSlides.length,
distanceX,
distanceY;
if( horizontalSlidesLength ) {
// The number of steps away from the present slide that will
// be visible
var viewDistance = isOverview() ? 10 : config.viewDistance;
// Limit view distance on weaker devices
if( isMobileDevice ) {
viewDistance = isOverview() ? 6 : 1;
}
for( var x = 0; x < horizontalSlidesLength; x++ ) {
var horizontalSlide = horizontalSlides[x];
var verticalSlides = toArray( horizontalSlide.querySelectorAll( 'section' ) ),
verticalSlidesLength = verticalSlides.length;
// Loops so that it measures 1 between the first and last slides
distanceX = Math.abs( ( indexh - x ) % ( horizontalSlidesLength - viewDistance ) ) || 0;
// Show the horizontal slide if it's within the view distance
horizontalSlide.style.display = distanceX > viewDistance ? 'none' : 'block';
if( verticalSlidesLength ) {
var oy = getPreviousVerticalIndex( horizontalSlide );
for( var y = 0; y < verticalSlidesLength; y++ ) {
var verticalSlide = verticalSlides[y];
distanceY = x === indexh ? Math.abs( indexv - y ) : Math.abs( y - oy );
verticalSlide.style.display = ( distanceX + distanceY ) > viewDistance ? 'none' : 'block';
}
}
}
}
}
/**
* Updates the progress bar to reflect the current slide.
*/
@ -1803,7 +1994,7 @@ var Reveal = (function(){
}
// If the slide doesn't exist, navigate to the current slide
else {
slide( indexh, indexv );
slide( indexh || 0, indexv || 0 );
}
}
else {
@ -1811,7 +2002,9 @@ var Reveal = (function(){
var h = parseInt( bits[0], 10 ) || 0,
v = parseInt( bits[1], 10 ) || 0;
slide( h, v );
if( h !== indexh || v !== indexv ) {
slide( h, v );
}
}
}
@ -1888,8 +2081,9 @@ var Reveal = (function(){
}
if( !slide && currentSlide ) {
var visibleFragments = currentSlide.querySelectorAll( '.fragment.visible' );
if( visibleFragments.length ) {
var hasFragments = currentSlide.querySelectorAll( '.fragment' ).length > 0;
if( hasFragments ) {
var visibleFragments = currentSlide.querySelectorAll( '.fragment.visible' );
f = visibleFragments.length;
}
}
@ -2119,7 +2313,7 @@ var Reveal = (function(){
var value = config.keyboard[ key ];
// Calback function
// Callback function
if( typeof value === 'function' ) {
value.apply( null, [ event ] );
}
@ -2178,7 +2372,8 @@ var Reveal = (function(){
if( triggered ) {
event.preventDefault();
}
else if ( event.keyCode === 27 && supports3DTransforms ) {
// ESC or O key
else if ( ( event.keyCode === 27 || event.keyCode === 79 ) && supports3DTransforms ) {
toggleOverview();
event.preventDefault();
@ -2220,11 +2415,11 @@ var Reveal = (function(){
function onTouchMove( event ) {
// Each touch should only trigger one action
if( !touch.handled ) {
if( !touch.captured ) {
var currentX = event.touches[0].clientX;
var currentY = event.touches[0].clientY;
// If the touch started off with two points and still has
// If the touch started with two points and still has
// two active touches; test for the pinch gesture
if( event.touches.length === 2 && touch.startCount === 2 && config.overview ) {
@ -2240,7 +2435,7 @@ var Reveal = (function(){
// If the span is larger than the desire amount we've got
// ourselves a pinch
if( Math.abs( touch.startSpan - currentSpan ) > touch.threshold ) {
touch.handled = true;
touch.captured = true;
if( currentSpan < touch.startSpan ) {
activateOverview();
@ -2260,23 +2455,34 @@ var Reveal = (function(){
deltaY = currentY - touch.startY;
if( deltaX > touch.threshold && Math.abs( deltaX ) > Math.abs( deltaY ) ) {
touch.handled = true;
touch.captured = true;
navigateLeft();
}
else if( deltaX < -touch.threshold && Math.abs( deltaX ) > Math.abs( deltaY ) ) {
touch.handled = true;
touch.captured = true;
navigateRight();
}
else if( deltaY > touch.threshold ) {
touch.handled = true;
touch.captured = true;
navigateUp();
}
else if( deltaY < -touch.threshold ) {
touch.handled = true;
touch.captured = true;
navigateDown();
}
event.preventDefault();
// If we're embedded, only block touch events if they have
// triggered an action
if( config.embedded ) {
if( touch.captured || isVerticalSlide( currentSlide ) ) {
event.preventDefault();
}
}
// Not embedded? Block them all to avoid needless tossing
// around of the viewport in iOS
else {
event.preventDefault();
}
}
}
@ -2293,7 +2499,7 @@ var Reveal = (function(){
*/
function onTouchEnd( event ) {
touch.handled = false;
touch.captured = false;
}
@ -2561,6 +2767,11 @@ var Reveal = (function(){
}
},
// Checks if reveal.js has been loaded and is ready for use
isReady: function() {
return loaded;
},
// Forward event binding to the reveal DOM element
addEventListener: function( type, listener, useCapture ) {
if( 'addEventListener' in window ) {

4
js/reveal.min.js vendored
View File

File diff suppressed because one or more lines are too long

3
plugin/leap/leap.js
View File

@ -48,6 +48,9 @@ var b=right.criteria;if(a!==b){if(a>b||a===void 0)return 1;if(a<b||b===void 0)re
pointer.id = 'leap';
pointer.style.position = 'absolute';
pointer.style.visibility = 'hidden';
pointer.style.zIndex = 50;
pointer.style.opacity = config.pointerOpacity;
pointer.style.backgroundColor = config.pointerColor;

5
plugin/markdown/example.html
View File

@ -16,7 +16,7 @@
<div class="slides">
<!-- Use external markdown resource, and separate slides by three newlines; vertical slides by two newlines -->
<!-- Use external markdown resource, separate slides by three newlines; vertical slides by two newlines -->
<section data-markdown="example.md" data-separator="^\n\n\n" data-vertical="^\n\n"></section>
<!-- Slides are separated by three dashes (quick 'n dirty regular expression) -->
@ -87,7 +87,8 @@
dependencies: [
{ src: '../../lib/js/classList.js', condition: function() { return !document.body.classList; } },
{ src: 'marked.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
{ src: 'markdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } }
{ src: 'markdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
{ src: '../notes/notes.js' }
]
});

2
plugin/markdown/example.md
View File

@ -6,6 +6,8 @@
Content 1.1
Note: This will only appear in the speaker notes window.
## External 1.2

72
plugin/markdown/markdown.js
View File

@ -6,6 +6,14 @@
throw 'The reveal.js Markdown plugin requires marked to be loaded';
}
if (typeof hljs !== 'undefined') {
marked.setOptions({
highlight: function (lang, code) {
return hljs.highlightAuto(lang, code).value;
}
});
}
var stripLeadingWhitespace = function(section) {
var template = section.querySelector( 'script' );
@ -28,7 +36,9 @@
};
var twrap = function(el) {
return '<script type="text/template">' + el + '</script>';
var content = el.content || el;
content += el.asideContent ? ('<aside class="notes" data-markdown>' + el.asideContent + '</aside>') : '';
return '<script type="text/template">' + content + '</script>';
};
var getForwardedAttributes = function(section) {
@ -40,7 +50,7 @@
value = attributes[i].value;
// disregard attributes that are used for markdown loading/parsing
if( /data\-(markdown|separator|vertical)/gi.test( name ) ) continue;
if( /data\-(markdown|separator|vertical|notes)/gi.test( name ) ) continue;
if( value ) {
result.push( name + '=' + value );
@ -51,47 +61,63 @@
}
return result.join( ' ' );
}
};
var slidifyMarkdown = function(markdown, separator, vertical, attributes) {
var slidifyMarkdown = function(markdown, separator, vertical, notes, attributes) {
separator = separator || '^\n---\n$';
notes = notes || 'note:';
var reSeparator = new RegExp(separator + (vertical ? '|' + vertical : ''), 'mg'),
reHorSeparator = new RegExp(separator),
var separatorRegex = new RegExp( separator + ( vertical ? '|' + vertical : '' ), 'mg' ),
horizontalSeparatorRegex = new RegExp( separator ),
notesSeparatorRegex = new RegExp( notes, 'mgi' ),
matches,
noteMatch,
lastIndex = 0,
isHorizontal,
wasHorizontal = true,
content,
asideContent,
slide,
sectionStack = [],
markdownSections = '';
// iterate until all blocks between separators are stacked up
while( matches = reSeparator.exec(markdown) ) {
while( matches = separatorRegex.exec( markdown ) ) {
asideContent = null;
// determine direction (horizontal by default)
isHorizontal = reHorSeparator.test(matches[0]);
isHorizontal = horizontalSeparatorRegex.test( matches[0] );
if( !isHorizontal && wasHorizontal ) {
// create vertical stack
sectionStack.push([]);
sectionStack.push( [] );
}
// pluck slide content from markdown input
content = markdown.substring(lastIndex, matches.index);
content = markdown.substring( lastIndex, matches.index );
noteMatch = content.split( notesSeparatorRegex );
if( noteMatch.length === 2 ) {
content = noteMatch[0];
asideContent = noteMatch[1].trim();
}
slide = {
content: content,
asideContent: asideContent || ""
};
if( isHorizontal && wasHorizontal ) {
// add to horizontal stack
sectionStack.push(content);
sectionStack.push(slide);
} else {
// add to vertical stack
sectionStack[sectionStack.length-1].push(content);
sectionStack[sectionStack.length-1].push(slide);
}
lastIndex = reSeparator.lastIndex;
lastIndex = separatorRegex.lastIndex;
wasHorizontal = isHorizontal;
}
// add the remaining slide
@ -99,15 +125,13 @@
// flatten the hierarchical stack, and insert <section data-markdown> tags
for( var k = 0, klen = sectionStack.length; k < klen; k++ ) {
// horizontal
if( typeof sectionStack[k] === 'string' ) {
markdownSections += '<section '+ attributes +' data-markdown>' + twrap( sectionStack[k] ) + '</section>';
}
// vertical
else {
if( sectionStack[k].propertyIsEnumerable(length) && typeof sectionStack[k].splice === 'function' ) {
markdownSections += '<section '+ attributes +'>' +
'<section data-markdown>' + sectionStack[k].map(twrap).join('</section><section data-markdown>') + '</section>' +
'</section>';
} else {
markdownSections += '<section '+ attributes +' data-markdown>' + twrap( sectionStack[k] ) + '</section>';
}
}
@ -128,10 +152,16 @@
var xhr = new XMLHttpRequest(),
url = section.getAttribute('data-markdown');
datacharset = section.getAttribute('data-charset');
// see https://developer.mozilla.org/en-US/docs/Web/API/element.getAttribute#Notes
if (datacharset != null && datacharset != '') {
xhr.overrideMimeType('text/html; charset=' + datacharset);
}
xhr.onreadystatechange = function () {
if( xhr.readyState === 4 ) {
if (xhr.status >= 200 && xhr.status < 300) {
section.outerHTML = slidifyMarkdown( xhr.responseText, section.getAttribute('data-separator'), section.getAttribute('data-vertical'), getForwardedAttributes(section) );
section.outerHTML = slidifyMarkdown( xhr.responseText, section.getAttribute('data-separator'), section.getAttribute('data-vertical'), section.getAttribute('data-notes'), getForwardedAttributes(section) );
} else {
section.outerHTML = '<section data-state="alert">ERROR: The attempt to fetch ' + url + ' failed with the HTTP status ' + xhr.status +
'. Check your browser\'s JavaScript console for more details.' +
@ -150,7 +180,7 @@
} else if( section.getAttribute('data-separator') ) {
var markdown = stripLeadingWhitespace(section);
section.outerHTML = slidifyMarkdown( markdown, section.getAttribute('data-separator'), section.getAttribute('data-vertical'), getForwardedAttributes(section) );
section.outerHTML = slidifyMarkdown( markdown, section.getAttribute('data-separator'), section.getAttribute('data-vertical'), section.getAttribute('data-notes'), getForwardedAttributes(section) );
}
}

64
plugin/math/math.js Executable file
View File

@ -0,0 +1,64 @@
/**
* A plugin which enables rendering of math equations inside
* of reveal.js slides. Essentially a thin wrapper for MathJax.
*
* @author Hakim El Hattab
*/
var RevealMath = window.RevealMath || (function(){
var options = Reveal.getConfig().math || {};
options.mathjax = options.mathjax || 'http://cdn.mathjax.org/mathjax/latest/MathJax.js';
options.config = options.config || 'TeX-AMS_HTML-full';
loadScript( options.mathjax + '?config=' + options.config, function() {
MathJax.Hub.Config({
messageStyle: 'none',
tex2jax: { inlineMath: [['$','$'],['\\(','\\)']] },
skipStartupTypeset: true
});
// Typeset followed by an immediate reveal.js layout since
// the typesetting process could affect slide height
MathJax.Hub.Queue( [ 'Typeset', MathJax.Hub ] );
MathJax.Hub.Queue( Reveal.layout );
// Reprocess equations in slides when they turn visible
Reveal.addEventListener( 'slidechanged', function( event ) {
MathJax.Hub.Queue( [ 'Typeset', MathJax.Hub, event.currentSlide ] );
} );
} );
function loadScript( url, callback ) {
var head = document.querySelector( 'head' );
var script = document.createElement( 'script' );
script.type = 'text/javascript';
script.src = url;
// Wrapper for callback to make sure it only fires once
var finish = function() {
if( typeof callback === 'function' ) {
callback.call();
callback = null;
}
}
script.onload = finish;
// IE
script.onreadystatechange = function() {
if ( this.readyState === 'loaded' ) {
finish();
}
}
// Normal browsers
head.appendChild( script );
}
})();

42
plugin/notes/notes.html
View File

@ -169,10 +169,12 @@
var notes = document.getElementById( 'notes' ),
currentSlide = document.getElementById( 'current-slide' ),
nextSlide = document.getElementById( 'next-slide' );
nextSlide = document.getElementById( 'next-slide' ),
silenced = false;
window.addEventListener( 'message', function( event ) {
var data = JSON.parse( event.data );
// No need for updating the notes in case of fragment changes
if ( data.notes !== undefined) {
if( data.markdown ) {
@ -183,18 +185,13 @@
}
}
// Showing and hiding fragments
if( data.fragment === 'next' ) {
currentSlide.contentWindow.Reveal.nextFragment();
}
else if( data.fragment === 'prev' ) {
currentSlide.contentWindow.Reveal.prevFragment();
}
else {
// Update the note slides
currentSlide.contentWindow.Reveal.slide( data.indexh, data.indexv );
nextSlide.contentWindow.Reveal.slide( data.nextindexh, data.nextindexv );
}
silenced = true;
// Update the note slides
currentSlide.contentWindow.Reveal.slide( data.indexh, data.indexv, data.indexf );
nextSlide.contentWindow.Reveal.slide( data.nextindexh, data.nextindexv );
silenced = false;
}, false );
@ -226,12 +223,21 @@
}, 1000 );
// Broadcasts the state of the notes window to synchronize
// the main window
function synchronizeMainWindow() {
if( !silenced ) {
var indices = currentSlide.contentWindow.Reveal.getIndices();
window.opener.Reveal.slide( indices.h, indices.v, indices.f );
}
}
// Navigate the main window when the notes slide changes
currentSlide.contentWindow.Reveal.addEventListener( 'slidechanged', function( event ) {
window.opener.Reveal.slide( event.indexh, event.indexv );
} );
currentSlide.contentWindow.Reveal.addEventListener( 'slidechanged', synchronizeMainWindow );
currentSlide.contentWindow.Reveal.addEventListener( 'fragmentshown', synchronizeMainWindow );
currentSlide.contentWindow.Reveal.addEventListener( 'fragmenthidden', synchronizeMainWindow );
}
else {

72
plugin/notes/notes.js
View File

@ -10,72 +10,50 @@ var RevealNotes = (function() {
var notesPopup = window.open( jsFileLocation + 'notes.html', 'reveal.js - Notes', 'width=1120,height=850' );
// Fires when slide is changed
Reveal.addEventListener( 'slidechanged', function( event ) {
post('slidechanged');
} );
Reveal.addEventListener( 'slidechanged', post );
// Fires when a fragment is shown
Reveal.addEventListener( 'fragmentshown', function( event ) {
post('fragmentshown');
} );
Reveal.addEventListener( 'fragmentshown', post );
// Fires when a fragment is hidden
Reveal.addEventListener( 'fragmenthidden', function( event ) {
post('fragmenthidden');
} );
Reveal.addEventListener( 'fragmenthidden', post );
/**
* Posts the current slide data to the notes window
*
* @param {String} eventType Expecting 'slidechanged', 'fragmentshown'
* or 'fragmenthidden' set in the events above to define the needed
* slideDate.
*/
function post( eventType ) {
function post() {
var slideElement = Reveal.getCurrentSlide(),
slideIndices = Reveal.getIndices(),
messageData;
if( eventType === 'slidechanged' ) {
var notes = slideElement.querySelector( 'aside.notes' ),
indexh = Reveal.getIndices().h,
indexv = Reveal.getIndices().v,
nextindexh,
nextindexv;
var notes = slideElement.querySelector( 'aside.notes' ),
nextindexh,
nextindexv;
if( slideElement.nextElementSibling && slideElement.parentNode.nodeName == 'SECTION' ) {
nextindexh = indexh;
nextindexv = indexv + 1;
} else {
nextindexh = indexh + 1;
nextindexv = 0;
}
if( slideElement.nextElementSibling && slideElement.parentNode.nodeName == 'SECTION' ) {
nextindexh = slideIndices.h;
nextindexv = slideIndices.v + 1;
} else {
nextindexh = slideIndices.h + 1;
nextindexv = 0;
}
messageData = {
notes : notes ? notes.innerHTML : '',
indexh : indexh,
indexv : indexv,
nextindexh : nextindexh,
nextindexv : nextindexv,
markdown : notes ? typeof notes.getAttribute( 'data-markdown' ) === 'string' : false
};
}
else if( eventType === 'fragmentshown' ) {
messageData = {
fragment : 'next'
};
}
else if( eventType === 'fragmenthidden' ) {
messageData = {
fragment : 'prev'
};
}
messageData = {
notes : notes ? notes.innerHTML : '',
indexh : slideIndices.h,
indexv : slideIndices.v,
indexf : slideIndices.f,
nextindexh : nextindexh,
nextindexv : nextindexv,
markdown : notes ? typeof notes.getAttribute( 'data-markdown' ) === 'string' : false
};
notesPopup.postMessage( JSON.stringify( messageData ), '*' );
}
// Navigate to the current slide when the notes are loaded
notesPopup.addEventListener( 'load', function( event ) {
post('slidechanged');
post();
}, false );
}