From 3111d3b1ae12af2580cb45a18da208146701a6fd Mon Sep 17 00:00:00 2001
From: Hakim El Hattab <hakim.elhattab@gmail.com>
Date: Thu, 26 May 2016 09:57:19 +0200
Subject: [PATCH] support for 'separate-page' layout for notes in PDF exports
 #1518

---
 README.md         |  2 +-
 css/print/pdf.css | 13 ++++++++++++-
 js/reveal.js      | 21 +++++++++++++++++----
 3 files changed, 30 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index 56dad410..b2758460 100644
--- a/README.md
+++ b/README.md
@@ -890,7 +890,7 @@ This will only display in the notes window.
 
 Notes are only visible to the speaker inside of the speaker view. If you wish to share your notes with others you can initialize reveal.js with the `showNotes` config value set to `true`. Notes will appear along the bottom of the presentations.
 
-When `showNotes` is enabled notes are also included when you [export to PDF](https://github.com/hakimel/reveal.js#pdf-export).
+When `showNotes` is enabled notes are also included when you [export to PDF](https://github.com/hakimel/reveal.js#pdf-export). By default, notes are printed in a semi-transparent box on top of slide. If you'd rather print them on a separate page after the slide, set `showNotes: "separate-page"`.
 
 ## Server Side Speaker Notes
 
diff --git a/css/print/pdf.css b/css/print/pdf.css
index 406f1250..fb56129c 100644
--- a/css/print/pdf.css
+++ b/css/print/pdf.css
@@ -145,11 +145,22 @@ ul, ol, div, p {
 	display: block;
 	width: 100%;
 	max-height: none;
-	left: auto;
 	top: auto;
+	right: auto;
+	bottom: auto;
+	left: auto;
 	z-index: 100;
 }
 
+/* Layout option which makes notes appear on a separate page */
+.reveal .speaker-notes-pdf[data-layout="separate-page"] {
+	position: relative;
+	color: inherit;
+	background-color: transparent;
+	padding: 20px;
+	page-break-after: always;
+}
+
 /* Display slide numbers when 'slideNumber' is enabled */
 .reveal .slide-number-pdf {
 	display: block;
diff --git a/js/reveal.js b/js/reveal.js
index 656ed10d..f43e0aa8 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -624,18 +624,31 @@
 
 				// Inject notes if `showNotes` is enabled
 				if( config.showNotes ) {
+
+					// Are there notes for this slide?
 					var notes = getSlideNotes( slide );
 					if( notes ) {
+
 						var notesSpacing = 8;
+						var notesLayout = typeof config.showNotes === 'string' ? config.showNotes : 'inline';
 						var notesElement = document.createElement( 'div' );
 						notesElement.classList.add( 'speaker-notes' );
 						notesElement.classList.add( 'speaker-notes-pdf' );
+						notesElement.setAttribute( 'data-layout', notesLayout );
 						notesElement.innerHTML = notes;
-						notesElement.style.left = ( notesSpacing - left ) + 'px';
-						notesElement.style.bottom = ( notesSpacing - top ) + 'px';
-						notesElement.style.width = ( pageWidth - notesSpacing*2 ) + 'px';
-						slide.appendChild( notesElement );
+
+						if( notesLayout === 'separate-page' ) {
+							page.parentNode.insertBefore( notesElement, page.nextSibling );
+						}
+						else {
+							notesElement.style.left = ( notesSpacing - left ) + 'px';
+							notesElement.style.bottom = ( notesSpacing - top ) + 'px';
+							notesElement.style.width = ( pageWidth - notesSpacing*2 ) + 'px';
+							slide.appendChild( notesElement );
+						}
+
 					}
+
 				}
 
 				// Inject slide numbers if `slideNumbers` are enabled