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update code style to match rest of reveal.js, disable parallax by default #595

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Hakim El Hattab 2013-09-15 14:48:54 -04:00
parent 2fc0dfa8e1
commit 347a907041
5 changed files with 40 additions and 38 deletions
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1
css/reveal.css
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@ -1405,6 +1405,7 @@ body {
/*********************************************
* PARALLAX BACKGROUND
*********************************************/
.reveal[data-parallax-background] {
-webkit-transition: all 0.8s ease;
-moz-transition: all 0.8s ease;

4
index.html
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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: "url('https://s3.amazonaws.com/hakim-static/reveal-js/reveal-parallax-1.jpg')",
// parallaxBackgroundSize: "2100px 900px",
// Optional libraries used to extend on reveal.js
dependencies: [

29
js/reveal.js
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@ -480,7 +480,7 @@ var Reveal = (function(){
var parallaxBackgroundImage = config.parallaxBackgroundImage,
parallaxBackgroundSize = config.parallaxBackgroundSize;
if (parallaxBackgroundImage) {
if( parallaxBackgroundImage ) {
dom.wrapper.style.background = parallaxBackgroundImage;
dom.wrapper.style.backgroundSize = parallaxBackgroundSize;
@ -489,8 +489,8 @@ var Reveal = (function(){
// 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.setAttribute( 'data-parallax-background', parallaxBackgroundImage );
dom.wrapper.setAttribute( 'data-parallax-background-size', parallaxBackgroundSize );
}, 1 );
}
@ -1497,25 +1497,26 @@ var Reveal = (function(){
currentSlide = currentVerticalSlides[ indexv ] || currentHorizontalSlide;
// Animate parallax background
if (dom.wrapper.getAttribute('data-parallax-background') || config.parallaxBackgroundImage) {
var bs = dom.wrapper.style.backgroundSize.split(' '),
if( dom.wrapper.getAttribute( 'data-parallax-background' ) || config.parallaxBackgroundImage ) {
var bs = dom.wrapper.style.backgroundSize.split( ' ' ),
bgWidth, bgHeight;
if (bs.length === 1) {
bgWidth = bgHeight = parseInt(bs[0], 10);
} else {
bgWidth = parseInt(bs[0], 10);
bgHeight = parseInt(bs[1], 10);
if( bs.length === 1 ) {
bgWidth = bgHeight = parseInt( bs[0], 10 );
}
else {
bgWidth = parseInt( bs[0], 10 );
bgHeight = parseInt( bs[1], 10 );
}
var slideWidth = parseInt(dom.wrapper.offsetWidth, 10);
var slideWidth = dom.wrapper.offsetWidth;
var horizontalSlideCount = horizontalSlides.length;
var horizontalOffset = -(bgWidth - slideWidth)/(horizontalSlideCount-1) * h;
var horizontalOffset = -( bgWidth - slideWidth ) / ( horizontalSlideCount-1 ) * h;
var slideHeight = parseInt(dom.wrapper.offsetHeight, 10);
var slideHeight = dom.wrapper.offsetHeight;
var verticalSlideCount = currentVerticalSlides.length;
var verticalOffset = verticalSlideCount > 0 ? -(bgHeight - slideHeight)/(verticalSlideCount-1) * v : 0;
var verticalOffset = verticalSlideCount > 0 ? -( bgHeight - slideHeight ) / ( verticalSlideCount-1 ) * v : 0;
dom.wrapper.style.backgroundPosition = horizontalOffset + 'px ' + verticalOffset + 'px';
}

4
js/reveal.min.js vendored
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