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use 'url()'-free path when specifying parallax image, refactor so that parallax is applied to background class, remove unused attributes #595

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Hakim El Hattab committed 2013-09-15 17:45:27 -04:00
1 parent 36061b43ba
commit 86216ac645
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+30 -30
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README.md
+5 -7
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@@ -110,10 +110,10 @@ Reveal.initialize({
backgroundTransition: 'default' // default/linear/none
// Parallax background image
parallaxBackgroundImage: '', // CSS syntax, e.g. "url('a.jpg')"
parallaxBackgroundImage: '', // e.g. "'https://s3.amazonaws.com/hakim-static/reveal-js/reveal-parallax-1.jpg'"
// Parallax background size
parallaxBackgroundSize: '', // CSS syntax, e.g. "3000px 2000px"
parallaxBackgroundSize: '', // CSS syntax, e.g. "2100px 900px"
// Number of slides away from the current that are visible
viewDistance: 3,
@@ -303,16 +303,16 @@ Backgrounds transition using a fade animation by default. This can be changed to
### Parallax Background
If you want to use the parallax scrolling background, set the two following config properties when initializing reveal.js (the third one is optional )
If you want to use a parallax scrolling background, set the two following config properties when initializing reveal.js (the third one is optional).
```javascript
Reveal.initialize({
// Parallax background image
parallaxBackgroundImage: '', // CSS syntax, e.g. "url('a.jpg')"
parallaxBackgroundImage: '', // e.g. "https://s3.amazonaws.com/hakim-static/reveal-js/reveal-parallax-1.jpg"
// Parallax background size
parallaxBackgroundSize: '', // CSS syntax, e.g. "3000px 2000px" - currently only pixels are supported (don't use % or auto)
parallaxBackgroundSize: '', // CSS syntax, e.g. "2100px 900px" - currently only pixels are supported (don't use % or auto)
// This slide transition gives best results:
transition: linear
@@ -322,8 +322,6 @@ Reveal.initialize({
Make sure that the background size is much bigger than screen size to allow for some scrolling.
The image used in the background is made by Eli Mergel and is published under Creative Commons license on [Flickr](https://secure.flickr.com/photos/sp1te/3436256585/sizes/o/in/pool-856427@N25/).
### Slide Transitions
css/reveal.css
+3 -3
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@@ -1406,7 +1406,7 @@ body {
* PARALLAX BACKGROUND
*********************************************/
.reveal[data-parallax-background] {
.reveal.has-parallax-background .backgrounds {
-webkit-transition: all 0.8s ease;
-moz-transition: all 0.8s ease;
-ms-transition: all 0.8s ease;
@@ -1414,13 +1414,13 @@ body {
}
/* Global transition speed settings */
.reveal[data-parallax-background][data-transition-speed="fast"] {
.reveal.has-parallax-background[data-transition-speed="fast"] .backgrounds {
-webkit-transition-duration: 400ms;
-moz-transition-duration: 400ms;
-ms-transition-duration: 400ms;
transition-duration: 400ms;
}
.reveal[data-parallax-background][data-transition-speed="slow"] {
.reveal.has-parallax-background[data-transition-speed="slow"] .backgrounds {
-webkit-transition-duration: 1200ms;
-moz-transition-duration: 1200ms;
-ms-transition-duration: 1200ms;
css/reveal.min.css
Vendored
+1 -1
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@@ -4,4 +4,4 @@
* MIT licensed
*
* Copyright (C) 2013 Hakim El Hattab, http://hakim.se
*/ html,body,.reveal div,.reveal span,.reveal applet,.reveal object,.reveal iframe,.reveal h1,.reveal h2,.reveal h3,.reveal h4,.reveal h5,.reveal h6,.reveal p,.reveal blockquote,.reveal pre,.reveal a,.reveal abbr,.reveal acronym,.reveal address,.reveal big,.reveal cite,.reveal code,.reveal del,.reveal dfn,.reveal em,.reveal img,.reveal ins,.reveal kbd,.reveal q,.reveal s,.reveal samp,.reveal small,.reveal strike,.reveal strong,.reveal sub,.reveal sup,.reveal tt,.reveal var,.reveal b,.reveal u,.reveal i,.reveal center,.reveal dl,.reveal dt,.reveal dd,.reveal ol,.reveal ul,.reveal li,.reveal fieldset,.reveal form,.reveal label,.reveal legend,.reveal table,.reveal caption,.reveal tbody,.reveal tfoot,.reveal thead,.reveal tr,.reveal th,.reveal td,.reveal article,.reveal aside,.reveal canvas,.reveal details,.reveal embed,.reveal figure,.reveal figcaption,.reveal footer,.reveal header,.reveal hgroup,.reveal menu,.reveal nav,.reveal output,.reveal ruby,.reveal section,.reveal summary,.reveal time,.reveal mark,.reveal audio,video{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline}.reveal article,.reveal aside,.reveal details,.reveal figcaption,.reveal figure,.reveal footer,.reveal header,.reveal hgroup,.reveal menu,.reveal nav,.reveal section{display:block}html,body{width:100%;height:100%;overflow:hidden}body{position:relative;line-height:1}::selection{background:#FF5E99;color:#fff;text-shadow:none}.reveal h1,.reveal h2,.reveal h3,.reveal h4,.reveal h5,.reveal h6{-webkit-hyphens:auto;-moz-hyphens:auto;hyphens:auto;word-wrap:break-word;line-height:1}.reveal h1{font-size:3.77em}.reveal h2{font-size:2.11em}.reveal h3{font-size:1.55em}.reveal h4{font-size:1em}.reveal .slides section .fragment{opacity:0;-webkit-transition:all .2s ease;-moz-transition:all .2s ease;-ms-transition:all .2s ease;-o-transition:all .2s ease;transition:all .2s ease}.reveal .slides section .fragment.visible{opacity:1}.reveal .slides section .fragment.grow{opacity:1}.reveal .slides section .fragment.grow.visible{-webkit-transform:scale(1.3);-moz-transform:scale(1.3);-ms-transform:scale(1.3);-o-transform:scale(1.3);transform:scale(1.3)}.reveal .slides section .fragment.shrink{opacity:1}.reveal .slides section .fragment.shrink.visible{-webkit-transform:scale(0.7);-moz-transform:scale(0.7);-ms-transform:scale(0.7);-o-transform:scale(0.7);transform:scale(0.7)}.reveal .slides section .fragment.zoom-in{opacity:0;-webkit-transform:scale(0.1);-moz-transform:scale(0.1);-ms-transform:scale(0.1);-o-transform:scale(0.1);transform:scale(0.1)}.reveal .slides section .fragment.zoom-in.visible{opacity:1;-webkit-transform:scale(1);-moz-transform:scale(1);-ms-transform:scale(1);-o-transform:scale(1);transform:scale(1)}.reveal .slides section .fragment.roll-in{opacity:0;-webkit-transform:rotateX(90deg);-moz-transform:rotateX(90deg);-ms-transform:rotateX(90deg);-o-transform:rotateX(90deg);transform:rotateX(90deg)}.reveal .slides section .fragment.roll-in.visible{opacity:1;-webkit-transform:rotateX(0);-moz-transform:rotateX(0);-ms-transform:rotateX(0);-o-transform:rotateX(0);transform:rotateX(0)}.reveal .slides section .fragment.fade-out{opacity:1}.reveal .slides section .fragment.fade-out.visible{opacity:0}.reveal .slides section .fragment.semi-fade-out{opacity:1}.reveal .slides section .fragment.semi-fade-out.visible{opacity:.5}.reveal .slides section .fragment.highlight-red,.reveal .slides section .fragment.highlight-green,.reveal .slides section .fragment.highlight-blue{opacity:1}.reveal .slides section .fragment.highlight-red.visible{color:#ff2c2d}.reveal .slides section .fragment.highlight-green.visible{color:#17ff2e}.reveal .slides section .fragment.highlight-blue.visible{color:#1b91ff}.reveal:after{content:'';font-style:italic}.reveal iframe{z-index:1}.reveal img,.reveal video,.reveal iframe{max-width:95%;max-height:95%}.reveal a{position:relative}.reveal strong,.reveal b{font-weight:700}.reveal em,.reveal i{font-style:italic}.reveal ol,.reveal ul{display:inline-block;text-align:left;margin:0 0 0 1em}.reveal ol{list-style-type:decimal}.reveal ul{list-style-type:disc}.reveal ul ul{list-style-type:square}.reveal ul ul ul{list-style-type:circle}.reveal ul ul,.reveal ul ol,.reveal ol ol,.reveal ol ul{display:block;margin-left:40px}.reveal p{margin-bottom:10px;line-height:1.2em}.reveal q,.reveal blockquote{quotes:none}.reveal blockquote{display:block;position:relative;width:70%;margin:5px auto;padding:5px;font-style:italic;background:rgba(255,255,255,.05);box-shadow:0 0 2px rgba(0,0,0,.2)}.reveal blockquote p:first-child,.reveal blockquote p:last-child{display:inline-block}.reveal q{font-style:italic}.reveal pre{display:block;position:relative;width:90%;margin:15px auto;text-align:left;font-size:.55em;font-family:monospace;line-height:1.2em;word-wrap:break-word;box-shadow:0 0 6px rgba(0,0,0,.3)}.reveal code{font-family:monospace}.reveal pre code{padding:5px;overflow:auto;max-height:400px;word-wrap:normal}.reveal pre.stretch code{heigLine truncated
*/ html,body,.reveal div,.reveal span,.reveal applet,.reveal object,.reveal iframe,.reveal h1,.reveal h2,.reveal h3,.reveal h4,.reveal h5,.reveal h6,.reveal p,.reveal blockquote,.reveal pre,.reveal a,.reveal abbr,.reveal acronym,.reveal address,.reveal big,.reveal cite,.reveal code,.reveal del,.reveal dfn,.reveal em,.reveal img,.reveal ins,.reveal kbd,.reveal q,.reveal s,.reveal samp,.reveal small,.reveal strike,.reveal strong,.reveal sub,.reveal sup,.reveal tt,.reveal var,.reveal b,.reveal u,.reveal i,.reveal center,.reveal dl,.reveal dt,.reveal dd,.reveal ol,.reveal ul,.reveal li,.reveal fieldset,.reveal form,.reveal label,.reveal legend,.reveal table,.reveal caption,.reveal tbody,.reveal tfoot,.reveal thead,.reveal tr,.reveal th,.reveal td,.reveal article,.reveal aside,.reveal canvas,.reveal details,.reveal embed,.reveal figure,.reveal figcaption,.reveal footer,.reveal header,.reveal hgroup,.reveal menu,.reveal nav,.reveal output,.reveal ruby,.reveal section,.reveal summary,.reveal time,.reveal mark,.reveal audio,video{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline}.reveal article,.reveal aside,.reveal details,.reveal figcaption,.reveal figure,.reveal footer,.reveal header,.reveal hgroup,.reveal menu,.reveal nav,.reveal section{display:block}html,body{width:100%;height:100%;overflow:hidden}body{position:relative;line-height:1}::selection{background:#FF5E99;color:#fff;text-shadow:none}.reveal h1,.reveal h2,.reveal h3,.reveal h4,.reveal h5,.reveal h6{-webkit-hyphens:auto;-moz-hyphens:auto;hyphens:auto;word-wrap:break-word;line-height:1}.reveal h1{font-size:3.77em}.reveal h2{font-size:2.11em}.reveal h3{font-size:1.55em}.reveal h4{font-size:1em}.reveal .slides section .fragment{opacity:0;-webkit-transition:all .2s ease;-moz-transition:all .2s ease;-ms-transition:all .2s ease;-o-transition:all .2s ease;transition:all .2s ease}.reveal .slides section .fragment.visible{opacity:1}.reveal .slides section .fragment.grow{opacity:1}.reveal .slides section .fragment.grow.visible{-webkit-transform:scale(1.3);-moz-transform:scale(1.3);-ms-transform:scale(1.3);-o-transform:scale(1.3);transform:scale(1.3)}.reveal .slides section .fragment.shrink{opacity:1}.reveal .slides section .fragment.shrink.visible{-webkit-transform:scale(0.7);-moz-transform:scale(0.7);-ms-transform:scale(0.7);-o-transform:scale(0.7);transform:scale(0.7)}.reveal .slides section .fragment.zoom-in{opacity:0;-webkit-transform:scale(0.1);-moz-transform:scale(0.1);-ms-transform:scale(0.1);-o-transform:scale(0.1);transform:scale(0.1)}.reveal .slides section .fragment.zoom-in.visible{opacity:1;-webkit-transform:scale(1);-moz-transform:scale(1);-ms-transform:scale(1);-o-transform:scale(1);transform:scale(1)}.reveal .slides section .fragment.roll-in{opacity:0;-webkit-transform:rotateX(90deg);-moz-transform:rotateX(90deg);-ms-transform:rotateX(90deg);-o-transform:rotateX(90deg);transform:rotateX(90deg)}.reveal .slides section .fragment.roll-in.visible{opacity:1;-webkit-transform:rotateX(0);-moz-transform:rotateX(0);-ms-transform:rotateX(0);-o-transform:rotateX(0);transform:rotateX(0)}.reveal .slides section .fragment.fade-out{opacity:1}.reveal .slides section .fragment.fade-out.visible{opacity:0}.reveal .slides section .fragment.semi-fade-out{opacity:1}.reveal .slides section .fragment.semi-fade-out.visible{opacity:.5}.reveal .slides section .fragment.highlight-red,.reveal .slides section .fragment.highlight-green,.reveal .slides section .fragment.highlight-blue{opacity:1}.reveal .slides section .fragment.highlight-red.visible{color:#ff2c2d}.reveal .slides section .fragment.highlight-green.visible{color:#17ff2e}.reveal .slides section .fragment.highlight-blue.visible{color:#1b91ff}.reveal:after{content:'';font-style:italic}.reveal iframe{z-index:1}.reveal img,.reveal video,.reveal iframe{max-width:95%;max-height:95%}.reveal a{position:relative}.reveal strong,.reveal b{font-weight:700}.reveal em,.reveal i{font-style:italic}.reveal ol,.reveal ul{display:inline-block;text-align:left;margin:0 0 0 1em}.reveal ol{list-style-type:decimal}.reveal ul{list-style-type:disc}.reveal ul ul{list-style-type:square}.reveal ul ul ul{list-style-type:circle}.reveal ul ul,.reveal ul ol,.reveal ol ol,.reveal ol ul{display:block;margin-left:40px}.reveal p{margin-bottom:10px;line-height:1.2em}.reveal q,.reveal blockquote{quotes:none}.reveal blockquote{display:block;position:relative;width:70%;margin:5px auto;padding:5px;font-style:italic;background:rgba(255,255,255,.05);box-shadow:0 0 2px rgba(0,0,0,.2)}.reveal blockquote p:first-child,.reveal blockquote p:last-child{display:inline-block}.reveal q{font-style:italic}.reveal pre{display:block;position:relative;width:90%;margin:15px auto;text-align:left;font-size:.55em;font-family:monospace;line-height:1.2em;word-wrap:break-word;box-shadow:0 0 6px rgba(0,0,0,.3)}.reveal code{font-family:monospace}.reveal pre code{padding:5px;overflow:auto;max-height:400px;word-wrap:normal}.reveal pre.stretch code{heigLine truncated
index.html
+2 -2
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@@ -367,8 +367,8 @@ function linkify( selector ) {
transition: Reveal.getQueryHash().transition || 'default', // default/cube/page/concave/zoom/linear/fade/none
// Parallax scrolling
// parallaxBackgroundImage: "url('https://s3.amazonaws.com/hakim-static/reveal-js/reveal-parallax-1.jpg')",
// parallaxBackgroundSize: "2100px 900px",
// parallaxBackgroundImage: 'https://s3.amazonaws.com/hakim-static/reveal-js/reveal-parallax-1.jpg',
// parallaxBackgroundSize: '2100px 900px',
// Optional libraries used to extend on reveal.js
dependencies: [
js/reveal.js
+17 -15
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@@ -93,7 +93,7 @@ var Reveal = (function(){
backgroundTransition: 'default', // default/linear/none
// Parallax background image
parallaxBackgroundImage: '', // CSS syntax, e.g. "url('a.jpg')"
parallaxBackgroundImage: '', // CSS syntax, e.g. "a.jpg"
// Parallax background size
parallaxBackgroundSize: '', // CSS syntax, e.g. "3000px 2000px"
@@ -476,24 +476,27 @@ var Reveal = (function(){
} );
// Add parallax background if specified so
var parallaxBackgroundImage = config.parallaxBackgroundImage,
parallaxBackgroundSize = config.parallaxBackgroundSize;
// Add parallax background if specified
if( config.parallaxBackgroundImage ) {
if( parallaxBackgroundImage ) {
dom.wrapper.style.background = parallaxBackgroundImage;
dom.wrapper.style.backgroundSize = parallaxBackgroundSize;
dom.background.style.backgroundImage = 'url("' + config.parallaxBackgroundImage + '")';
dom.background.style.backgroundSize = config.parallaxBackgroundSize;
// Make sure the below properties are set on the element - these properties are
// needed for proper transitions to be set on the element via CSS. To remove
// annoying background slide-in effect when the presentation starts, apply
// these properties after short time delay
setTimeout( function() {
dom.wrapper.setAttribute( 'data-parallax-background', parallaxBackgroundImage );
dom.wrapper.setAttribute( 'data-parallax-background-size', parallaxBackgroundSize );
dom.wrapper.classList.add( 'has-parallax-background' );
}, 1 );
}
else {
dom.background.style.backgroundImage = '';
dom.wrapper.classList.remove( 'has-parallax-background' );
}
}
@@ -1888,13 +1891,12 @@ var Reveal = (function(){
*/
function updateParallax() {
// Animate parallax background
if( dom.wrapper.getAttribute( 'data-parallax-background' ) || config.parallaxBackgroundImage ) {
if( config.parallaxBackgroundImage ) {
var horizontalSlides = document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ),
verticalSlides = document.querySelectorAll( VERTICAL_SLIDES_SELECTOR );
var backgroundSize = dom.wrapper.style.backgroundSize.split( ' ' ),
var backgroundSize = dom.background.style.backgroundSize.split( ' ' ),
backgroundWidth, backgroundHeight;
if( backgroundSize.length === 1 ) {
@@ -1905,15 +1907,15 @@ var Reveal = (function(){
backgroundHeight = parseInt( backgroundSize[1], 10 );
}
var slideWidth = dom.wrapper.offsetWidth;
var slideWidth = dom.background.offsetWidth;
var horizontalSlideCount = horizontalSlides.length;
var horizontalOffset = -( backgroundWidth - slideWidth ) / ( horizontalSlideCount-1 ) * indexh;
var slideHeight = dom.wrapper.offsetHeight;
var slideHeight = dom.background.offsetHeight;
var verticalSlideCount = verticalSlides.length;
var verticalOffset = verticalSlideCount > 0 ? -( backgroundHeight - slideHeight ) / ( verticalSlideCount-1 ) * indexv : 0;
dom.wrapper.style.backgroundPosition = horizontalOffset + 'px ' + verticalOffset + 'px';
dom.background.style.backgroundPosition = horizontalOffset + 'px ' + verticalOffset + 'px';
}
js/reveal.min.js
Vendored
+2 -2
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@@ -1,8 +1,8 @@
/*!
* reveal.js 2.6.0-dev (2013-09-15, 14:57)
* reveal.js 2.6.0-dev (2013-09-15, 17:38)
* http://lab.hakim.se/reveal-js
* MIT licensed
*
* Copyright (C) 2013 Hakim El Hattab, http://hakim.se
*/
var Reveal=function(){"use strict";function a(a){return b(),Lb||Kb?(window.addEventListener("load",C,!1),l(Rb,a),s(),c(),void 0):(document.body.setAttribute("class","no-transforms"),void 0)}function b(){Kb="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,Lb="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,Mb=navigator.userAgent.match(/(iphone|ipod|android)/gi)}function c(){function a(){c.length&&head.js.apply(null,c),d()}for(var b=[],c=[],e=0,f=Rb.dependencies.length;f>e;e++){var g=Rb.dependencies[e];(!g.condition||g.condition())&&(g.async?c.push(g.src):b.push(g.src),"function"==typeof g.callback&&head.ready(g.src.match(/([\w\d_\-]*)\.?js$|[^\\\/]*$/i)[0],g.callback))}b.length?(head.ready(a),head.js.apply(null,b)):a()}function d(){f(),e(),i(),ab(),setTimeout(function(){Wb.slides.classList.remove("no-transition"),Sb=!0,u("ready",{indexh:Gb,indexv:Hb,currentSlide:Jb})},1)}function e(){var a=m(document.querySelectorAll(Ob));a.forEach(function(a){var b=m(a.querySelectorAll("section"));b.forEach(function(a,b){b>0&&a.classList.add("future")})})}function f(){Wb.theme=document.querySelector("#theme"),Wb.wrapper=document.querySelector(".reveal"),Wb.slides=document.querySelector(".reveal .slides"),Wb.slides.classList.add("no-transition"),Wb.background=g(Wb.wrapper,"div","backgrounds",null),Wb.progress=g(Wb.wrapper,"div","progress","<span></span>"),Wb.progressbar=Wb.progress.querySelector("span"),g(Wb.wrapper,"aside","controls",'<div class="navigate-left"></div><div class="navigate-right"></div><div class="navigate-up"></div><div class="navigate-down"></div>'),g(Wb.wrapper,"div","state-background",null),g(Wb.wrapper,"div","pause-overlay",null),Wb.controls=document.querySelector(".reveal .controls"),Wb.controlsLeft=m(document.querySelectorAll(".navigate-left")),Wb.controlsRight=m(document.querySelectorAll(".navigate-right")),Wb.controlsUp=m(document.querySelectorAll(".navigate-up")),Wb.controlsDown=m(document.querySelectorAll(".navigate-down")),Wb.controlsPrev=m(document.querySelectorAll(".navigate-prev")),Wb.controlsNext=m(document.querySelectorAll(".navigate-next"))}function g(a,b,c,d){var e=a.querySelector("."+c);return e||(e=document.createElement(b),e.classList.add(c),null!==d&&(e.innerHTML=d),a.appendChild(e)),e}function h(){function a(a,b){var c={background:a.getAttribute("data-background"),backgroundSize:a.getAttribute("data-background-size"),backgroundImage:a.getAttribute("data-background-image"),backgroundColor:a.getAttribute("data-background-color"),backgroundRepeat:a.getAttribute("data-background-repeat"),backgroundPosition:a.getAttribute("data-background-position"),backgroundTransition:a.getAttribute("data-background-transition")},d=document.createElement("div");return d.className="slide-background",c.background&&(/^(http|file|\/\/)/gi.test(c.background)||/\.(png|jpg|jpeg|gif|bmp)$/gi.test(c.background)?d.style.backgroundImage="url("+c.background+")":d.style.background=c.background),c.backgroundSize&&(d.style.backgroundSize=c.backgroundSize),c.backgroundImage&&(d.style.backgroundImage='url("'+c.backgroundImage+'")'),c.backgroundColor&&(d.style.backgroundColor=c.backgroundColor),c.backgroundRepeat&&(d.style.backgroundRepeat=c.backgroundRepeat),c.backgroundPosition&&(d.style.backgroundPosition=c.backgroundPosition),c.backgroundTransition&&d.setAttribute("data-background-transition",c.backgroundTransition),b.appendChild(d),d}r()&&document.body.classList.add("print-pdf"),Wb.background.innerHTML="",Wb.background.classList.add("no-transition"),m(document.querySelectorAll(Ob)).forEach(function(b){var c;c=r()?a(b,b):a(b,Wb.background),m(b.querySelectorAll("section")).forEach(function(b){r()?a(b,b):a(b,c)})});var b=Rb.parallaxBackgroundImage,c=Rb.parallaxBackgroundSize;b&&(Wb.wrapper.style.background=b,Wb.wrapper.style.backgroundSize=c,setTimeout(function(){Wb.wrapper.setAttribute("data-parallax-background",b),Wb.wrapper.setAttribute("data-parallax-background-size",c)},1))}function i(a){if(Wb.wrapper.classList.remove(Rb.transition),"object"==typeof a&&l(Rb,a),Kb===!1&&(Rb.transition="linear"),Wb.wrapper.classList.add(Rb.transition),Wb.wrapper.setAttribute("data-transition-speed",Rb.transitionSpeed),Wb.wrapper.setAttribute("data-background-transition",Rb.backgroundTransition),Wb.controls.style.display=Rb.controls?"block":"none",Wb.progress.style.display=Rb.progress?"block":"none",Rb.rtl?Wb.wrapper.classList.add("rtl"):Wb.wrapper.classList.remove("rtl"),Rb.center?Wb.wrapper.classList.add("center"):Wb.wrapper.classList.remove("center"),Rb.mouseWheel?(document.addEventListener("DOMMouseScroll",ub,!1),document.addEventListener("mousewheel",ub,!1)):(document.removeEventListener("DOMMouseScroll",ub,!1),document.removeEventListener("mousewheelLine truncated
var Reveal=function(){"use strict";function a(a){return b(),Lb||Kb?(window.addEventListener("load",C,!1),l(Rb,a),s(),c(),void 0):(document.body.setAttribute("class","no-transforms"),void 0)}function b(){Kb="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,Lb="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,Mb=navigator.userAgent.match(/(iphone|ipod|android)/gi)}function c(){function a(){c.length&&head.js.apply(null,c),d()}for(var b=[],c=[],e=0,f=Rb.dependencies.length;f>e;e++){var g=Rb.dependencies[e];(!g.condition||g.condition())&&(g.async?c.push(g.src):b.push(g.src),"function"==typeof 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