From 9660cdbd26524ea220bec5fa2edca6dec5935284 Mon Sep 17 00:00:00 2001
From: Hakim El Hattab <hakim.elhattab@gmail.com>
Date: Wed, 30 Jan 2013 23:59:37 -0500
Subject: [PATCH] add min/max scale settings (#310)

---
 js/reveal.js     | 15 ++++++++++++---
 js/reveal.min.js |  4 ++--
 2 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/js/reveal.js b/js/reveal.js
index e3938f0..c42af27 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -19,11 +19,16 @@ var Reveal = (function(){
 
 			// The "normal" size of the presentation, aspect ratio will be preserved
 			// when the presentation is scaled to fit different resolutions
-			width: 1024,
-			height: 768,
+			width: 960,
+			height: 700,
 
+			// Factor of the display size that should remain empty around the content
 			margin: 0.1,
 
+			// Bounds for smallest/largest possible scale to apply to content
+			minScale: 0.2,
+			maxScale: 1.4,
+
 			// Display controls in the bottom right corner
 			controls: true,
 
@@ -588,6 +593,10 @@ var Reveal = (function(){
 		// Determine scale of content to fit within available space
 		var scale = Math.min( availableWidth / slideWidth, availableHeight / slideHeight );
 
+		// Respect max/min scale settings
+		scale = Math.max( scale, config.minScale );
+		scale = Math.min( scale, config.maxScale );
+
 		// Prefer applying scale via zoom since Chrome blurs scaled content
 		// with nested transforms
 		if( typeof dom.slides.style.zoom !== 'undefined' && !navigator.userAgent.match( /(iphone|ipod|android)/gi ) ) {
@@ -1123,7 +1132,7 @@ var Reveal = (function(){
 			var slideAutoSlide = slides[index].getAttribute( 'data-autoslide' );
 			if( slideAutoSlide ) {
 				autoSlide = parseInt( slideAutoSlide, 10 );
-			} 
+			}
 			else {
 				autoSlide = config.autoSlide;
 			}
diff --git a/js/reveal.min.js b/js/reveal.min.js
index f38d665..4f9b094 100644
--- a/js/reveal.min.js
+++ b/js/reveal.min.js
@@ -1,8 +1,8 @@
 /*!
- * reveal.js 2.3 (2013-01-29, 18:58)
+ * reveal.js 2.3 (2013-01-30, 23:58)
  * http://lab.hakim.se/reveal-js
  * MIT licensed
  *
  * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
  */
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