1 files changed, 8 insertions, 0 deletions
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();