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corrections to vertical centering (#70), added to docs, upgrade to 2.2

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This commit is contained in:
Hakim El Hattab 2012-11-10 10:02:19 -05:00
parent 691099c6a2
commit 794ad86809
5 changed files with 99 additions and 87 deletions
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11
js/reveal.js
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@ -1,5 +1,5 @@
/*!
* reveal.js 2.1 r37
* reveal.js 2.2 r38
* http://lab.hakim.se/reveal-js
* MIT licensed
*
@ -29,6 +29,7 @@ var Reveal = (function(){
// Enable the slide overview mode
overview: true,
// Vertical centering of slides
center: false,
// Loop the presentation
@ -465,6 +466,7 @@ var Reveal = (function(){
* presentation.
*/
function layout() {
if( config.center ) {
// Select all slides, vertical and horizontal
@ -476,15 +478,18 @@ var Reveal = (function(){
for( var i = 0, len = slides.length; i < len; i++ ) {
var slide = slides[ i ];
// Vertical stacks are not centered since their section
// children will be
if( slide.classList.contains( 'stack' ) ) {
slide.style.marginTop = 0;
slide.style.top = 0;
}
else {
slide.style.marginTop = Math.max( - ( slide.offsetHeight / 2 ) - 20, minTop ) + 'px';
slide.style.top = Math.max( - ( slide.offsetHeight / 2 ) - 20, minTop ) + 'px';
}
}
}
}
/**