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| -rw-r--r-- | README.md | 9 | ||||
| -rw-r--r-- | js/reveal.js | 8 |
2 files changed, 17 insertions, 0 deletions
@@ -42,6 +42,7 @@ reveal.js comes with a broad range of features including [nested slides](https:/ - [Fullscreen mode](#fullscreen-mode) - [Embedded media](#embedded-media) - [Stretching elements](#stretching-elements) + - [Resize Event](#resize-event) - [postMessage API](#postmessage-api) - [PDF Export](#pdf-export) - [Theming](#theming) @@ -991,6 +992,14 @@ Limitations: - Only direct descendants of a slide section can be stretched - Only one descendant per slide section can be stretched +### Resize Event + +When reveal.js changes the scale of the slides it fires an resize event. You can subscribe to the event to resize your elements accordingly. + +```javascript +Reveal.addEventListener( 'resize', function( event ) { /* console.log(event.scale,event.oldscale,event.size); */ } ); +``` + ### postMessage API The framework has a built-in postMessage API that can be used when communicating with a presentation inside of another window. Here's an example showing how you'd make a reveal.js instance in the given window proceed to slide 2: diff --git a/js/reveal.js b/js/reveal.js index 08ece7f..8d150d8 100644 --- a/js/reveal.js +++ b/js/reveal.js @@ -2104,6 +2104,7 @@ dom.slides.style.height = size.height + 'px'; // Determine scale of content to fit within available space + var oldscale =scale; scale = Math.min( size.presentationWidth / size.width, size.presentationHeight / size.height ); // Respect max/min scale settings @@ -2169,6 +2170,13 @@ } + if( oldscale!==scale ){ + dispatchEvent( 'resize', { + 'oldscale': oldscale, + 'scale': scale, + 'size': size + } ); + } } updateProgress(); |