reorder scale condition; if calculated scale is exactly 1 don't apply…

… any scale styles

js/reveal.js

@@ -1469,16 +1469,23 @@
  dom.slides.style.width = size.width + 'px';
  dom.slides.style.height = size.height + 'px';
 
- // No point in calculating scale if the only possible
- // result is 1
- if( scale !== -1 || config.minScale !== 1 || config.maxScale !== 1 ) {
- // Determine scale of content to fit within available space
- scale = Math.min( size.presentationWidth / size.width, size.presentationHeight / size.height );
-
- // Respect max/min scale settings
- scale = Math.max( scale, config.minScale );
- scale = Math.min( scale, config.maxScale );
-
+ // Determine scale of content to fit within available space
+ scale = Math.min( size.presentationWidth / size.width, size.presentationHeight / size.height );
+
+ // Respect max/min scale settings
+ scale = Math.max( scale, config.minScale );
+ scale = Math.min( scale, config.maxScale );
+
+ // Don't apply any scaling styles if scale is 1
+ if( scale === 1 ) {
+ dom.slides.style.zoom = '';
+ dom.slides.style.left = '';
+ dom.slides.style.top = '';
+ dom.slides.style.bottom = '';
+ dom.slides.style.right = '';
+ transformElement( dom.slides, '' );
+ }
+ else {
  // Prefer zooming in desktop Chrome so that content remains crisp
  if( !isMobileDevice && /chrome/i.test( navigator.userAgent ) && typeof dom.slides.style.zoom !== 'undefined' ) {
  dom.slides.style.zoom = scale;