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impressive documentation added, but not in a way you'd expect probabl…
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…y ;)
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@bartaz
bartaz committed Jan 17, 2012
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<!doctype html>

<!--
Welcome to the light side of the source, young padawan.
One step closer to learn something interesting you are...
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-->

<html lang="en">
<head>
<meta charset="utf-8" />
Expand All @@ -9,21 +54,67 @@

<link href="http://fonts.googleapis.com/css?family=Open+Sans:regular,semibold,italic,italicsemibold|PT+Sans:400,700,400italic,700italic|PT+Serif:400,700,400italic,700italic" rel="stylesheet" />

<!--
Impress.js doesn't depend on any external stylesheet. Script adds all styles it needs for
presentation to work.
This style below contains styles only for demo presentation. Browse it to see how impress.js
classes are used to style presentation steps, or how to apply fallback styles, but I don't want
you to use them directly in your presentation.
Be creative, build your own. We don't really want all impress.js presentations to look the same,
don't we?
When creating your own presentation get rid of this file. Start from scratch, it's fun!
-->
<link href="css/impress-demo.css" rel="stylesheet" />
</head>
<body>

<!--
That's the wrapper for your presentation steps. In this element all the impress.js magic happens.
It doesn't have to be a `<div>`. Only `id` is important here as that's how the script find it.
It's worth to notice the `impress-not-supported` class. This class means, that browser doesn't
support features required by impress.js, so you can apply some fallback styles in your CSS.
It's not necessary to add it manually on this element. If the script detects that browser is not
good enough it will add this class, but keeping it in HTML means that users without JavaScript
will also get fallback styles.
-->
<div id="impress" class="impress-not-supported">

<div class="fallback-message">
<p>Your browser <b>doesn't support the features required</b> by impress.js, so you are presented with a simplified version of this presentation.</p>
<p>For the best experience please use the latest <b>Chrome</b> or <b>Safari</b> browser. Firefox 10 (to be released soon) will also handle it.</p>
</div>

<!--
Here is where interesting thing start to happen.
Each step of the presentation should be an element inside the `#impress` with a class name
of `step`. These step elements are positioned, rotated and scaled by impress.js, and
the 'camera' shows them on each step of the presentation.
Positioning information is passed through data attributes.
In the example below we only specify x and y position of the step element with `data-x="-1000"`
and `data-y="-1500` attributes. This means that **the center** of the element (yes, the center)
will be positioned in point x = -1000px and y = -1500px of the presentation 'canvas'.
It will not be rotated or scaled.
-->
<div id="bored" class="step slide" data-x="-1000" data-y="-1500">
<q>Aren't you just <b>bored</b> with all those slides-based presentations?</q>
</div>

<!--
The `id` attribute of the step element is used to identify it in the URL, but it's optional.
If it is not defined, it will get a default value of `step-N` where N is a number of slide.
So in the example below it'll be `step-2`.
-->
<div class="step slide" data-x="0" data-y="-1500">
<q>Don't you think that presentations given <strong>in modern browsers</strong> shouldn't <strong>copy the limits</strong> of 'classic' slide decks?</q>
</div>
Expand All @@ -32,12 +123,26 @@
<q>Would you like to <strong>impress your audience</strong> with <strong>stunning visualization</strong> of your talk?</q>
</div>

<!--
This is an example of step element being scaled.
Again, we use a `data-` attribute, this time it's `data-scale="4"`, so it means that this
element will be 4 times larger than the others.
From presentation and transitions point of view it means, that it will have to be scaled
down (4 times) to make it back to it's correct size.
-->
<div id="title" class="step" data-x="0" data-y="0" data-scale="4">
<span class="try">then you should try</span>
<h1>impress.js<sup>*</sup></h1>
<span class="footnote"><sup>*</sup> no rhyme intended</span>
</div>

<!--
This element introduces rotation.
Notation shouldn't be a surprise. We use `data-rotate="90"` attribute, meaning that this
element should be rotated by 90 degrees clockwise.
-->
<div id="its" class="step" data-x="850" data-y="3000" data-rotate="90" data-scale="5">
<p>It's a <strong>presentation tool</strong> <br/>
inspired by the idea behind <a href="http://prezi.com">prezi.com</a> <br/>
Expand All @@ -48,6 +153,13 @@ <h1>impress.js<sup>*</sup></h1>
<p>visualize your <b>big</b> <span class="thoughts">thoughts</span></p>
</div>

<!--
And now it gets really exiting! We move into third dimension!
Along with `data-x` and `data-y`, you can define the position on third (Z) axis, with
`data-z`. In the example below we use `data-z="-3000"` meaning that element should be
positioned far away from us (by 3000px).
-->
<div id="tiny" class="step" data-x="2825" data-y="2325" data-z="-3000" data-rotate="300" data-scale="1">
<p>and <b>tiny</b> ideas</p>
</div>
Expand All @@ -69,20 +181,61 @@ <h1>impress.js<sup>*</sup></h1>
<p>one more thing...</p>
</div>

<!--
And the last one shows full power and flexibility of impress.js.
You can not only position element in 3D, but also rotate it around any axis.
So this one here will get rotated by -40 degrees (40 degrees anticlockwise) around X axis and
10 degrees (clockwise) around Y axis.
You can of course rotate it around Z axis with `data-rotate-z` - it has exactly the same effect
as `data-rotate` (these two are basically aliases).
-->
<div id="its-in-3d" class="step" data-x="6200" data-y="4300" data-z="-100" data-rotate-x="-40" data-rotate-y="10" data-scale="2">
<p><span class="have">have</span> <span class="you">you</span> <span class="noticed">noticed</span> <span class="its">it's</span> <span class="in">in</span> <b>3D<sup>*</sup></b>?</p>
<span class="footnote">* beat that, prezi ;)</span>
</div>

<!--
So to make a summary of all the possible attributes used to position presentation steps, we have:
* `data-x`, `data-y`, `data-z` -- they define the position of **the center** of step element on
the canvas in pixels; their default value is 0;
* `data-rotate-x`, `data-rotate-y`, 'data-rotate-z`, `data-rotate` -- they define the rotation of
the element around given axis in degrees; their default value is 0; `data-rotate` and `data-rotate-z`
are exactly the same;
* `data-scale` -- defines the scale of step element; default value is 1
-->
<div id="overview" class="step" data-x="3000" data-y="1500" data-scale="10">
</div>

</div>

<!--
Hint is not related to impress.js in any way.
But it can show you how to use impress.js features in creative way.
When the presentation step is shown (selected) it's element get's the class of "active" and `#impress` root
element get's the class based on active step id `step-ID` (where ID is the step id)... It probably is not
so clear because of all these IDs in here, so for example when the first step (the one with id of `bored`)
is active, `#impress` element get a class of `step-bored`.
This class is used by this hint below. Check CSS file to see how it's shown with delayed CSS animation.
-->
<div class="hint">
<p>Use a spacebar or arrow keys to navigate</p>
</div>


<!--
Last, but not least.
To make all described above really work, you need to include impress.js in the page.
And you should do it in the end of your document. Not only because it's a good practice, but also
because I was lazy, haven't wrapped the code in any kind of "DOM ready" event, so it will not work
if included too early in the source ;)
-->
<script src="js/impress.js"></script>

</body>
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