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author | Hakim El Hattab <hakim.elhattab@gmail.com> | 2013-08-18 17:53:41 -0400 |
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committer | Hakim El Hattab <hakim.elhattab@gmail.com> | 2013-08-18 17:53:41 -0400 |
commit | 04c4fa49b896e63b6679023dd16c93494af342eb (patch) | |
tree | 070a9f2728541c6ab09cc7514c38b17efc1486fa | |
parent | 6f1dfee81b57e138c8447d43aa5a2c2d55b1c4ce (diff) | |
download | fosdem-2018-presentation-04c4fa49b896e63b6679023dd16c93494af342eb.tar fosdem-2018-presentation-04c4fa49b896e63b6679023dd16c93494af342eb.tar.gz |
revised remaining height layout logic
-rw-r--r-- | css/reveal.css | 5 | ||||
-rw-r--r-- | css/reveal.min.css | 2 | ||||
-rw-r--r-- | js/reveal.js | 40 | ||||
-rw-r--r-- | js/reveal.min.js | 4 |
4 files changed, 42 insertions, 9 deletions
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\ No newline at end of file diff --git a/js/reveal.js b/js/reveal.js index 9c8b4b0..257c8c2 100644 --- a/js/reveal.js +++ b/js/reveal.js @@ -1014,12 +1014,8 @@ var Reveal = (function(){ dom.slides.style.width = slideWidth + 'px'; dom.slides.style.height = slideHeight + 'px'; - // Handle sizing of elements with the 'remaining-height' class - toArray( dom.slides.querySelectorAll( 'section > .remaining-height' ) ).forEach( function( element ) { - - element.style.height = getRemainingHeight( element, ( slideHeight - ( slidePadding * 2 ) ) ) + 'px'; - - } ); + // Layout the contents of the slides + layoutSlideContents( config.width, config.height, slidePadding ); // Determine scale of content to fit within available space scale = Math.min( availableWidth / slideWidth, availableHeight / slideHeight ); @@ -1072,6 +1068,38 @@ 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 'remaining-height' class + toArray( dom.slides.querySelectorAll( 'section > .remaining-height' ) ).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, + nh = element.naturalHeight; + + 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 * from the stack. diff --git a/js/reveal.min.js b/js/reveal.min.js index 6efd513..2a93983 100644 --- a/js/reveal.min.js +++ 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