From f350c6a5cdc6f7ae01bb490896329cf6533156b6 Mon Sep 17 00:00:00 2001
From: Hakim El Hattab <hakim.elhattab@gmail.com>
Date: Sat, 4 Aug 2012 15:45:13 -0400
Subject: [PATCH] support for PDF export in chrome (closes #92)

---
 README.md         |   1 +
 css/main.css      |   2 +
 css/print-pdf.css | 147 ++++++++++++++++++++++++++++++++++++++++++++++
 css/print.css     |   9 ++-
 index.html        |  17 +++---
 js/reveal.js      |   2 +-
 6 files changed, 165 insertions(+), 13 deletions(-)
 create mode 100644 css/print-pdf.css

diff --git a/README.md b/README.md
index b03fbb01..484b27b8 100644
--- a/README.md
+++ b/README.md
@@ -206,6 +206,7 @@ You can change the appearance of the speaker notes by editing the file at `plugi
 - Fixed bug where hovering 3D links in Chrome caused them to disappear
 - Disable 3D links in IE and more accurate CSS feature detection
 - CSS is more relative in sizing to allow for low resolutions. Thanks [StereotypicalApps](https://github.com/StereotypicalApps)
+- PDF export
 
 #### 1.4
 - Main ```#reveal container``` is now selected via a class instead of ID
diff --git a/css/main.css b/css/main.css
index 621857be..9a334217 100644
--- a/css/main.css
+++ b/css/main.css
@@ -216,6 +216,7 @@ body {
 
 .reveal code {
 	font-family: monospace;
+	overflow-x: auto;
 }
 
 .reveal table th, 
@@ -474,6 +475,7 @@ body {
 	top: 50%;
 	margin-top: -320px;
 	padding: 20px 0px;
+	overflow: visible;
 	
 	text-align: center;
 
diff --git a/css/print-pdf.css b/css/print-pdf.css
new file mode 100644
index 00000000..c784253e
--- /dev/null
+++ b/css/print-pdf.css
@@ -0,0 +1,147 @@
+/* Default Print Stylesheet Template
+   by Rob Glazebrook of CSSnewbie.com
+   Last Updated: June 4, 2008
+
+   Feel free (nay, compelled) to edit, append, and 
+   manipulate this file as you see fit. */
+
+
+/* SECTION 1: Set default width, margin, float, and
+   background. This prevents elements from extending 
+   beyond the edge of the printed page, and prevents
+   unnecessary background images from printing */
+* {
+	-webkit-print-color-adjust: exact; 
+}
+
+body {
+	font-size: 20pt;
+	width: auto;
+	height: auto;
+	border: 0;
+	margin: 0 5%;
+	padding: 0;
+	float: none !important;
+	overflow: visible;
+}
+
+html {
+	width: auto;
+	height: auto;
+	overflow: visible;
+}
+
+/* SECTION 2: Remove any elements not needed in print. 
+   This would include navigation, ads, sidebars, etc. */
+.nestedarrow, 
+.controls a, 
+.reveal .progress, 
+.reveal.overview,
+.fork-reveal,
+.share-reveal,
+.state-background {
+	display:none;
+}
+
+/* SECTION 3: Set body font face, size, and color.
+   Consider using a serif font for readability. */
+body, p, td, li, div, a {
+	font-size: 20pt;
+}
+
+/* SECTION 4: Set heading font face, sizes, and color.
+   Diffrentiate your headings from your body text.
+   Perhaps use a large sans-serif for distinction. */
+h1,h2,h3,h4,h5,h6 {
+	text-shadow: 0 0 0 #000 !important;
+}
+
+/* SECTION 5: Make hyperlinks more usable.
+   Ensure links are underlined, and consider appending
+   the URL to the end of the link for usability. */
+a:link, 
+a:visited {
+	font-weight: bold;
+	text-decoration: underline;
+}
+
+
+/* SECTION 6: more reveal.js specific additions by @skypanther */
+ul, ol, div, p {
+	visibility: visible;
+	position: static;
+	width: auto;
+	height: auto;
+	display: block;
+	overflow: visible;
+	margin: auto;
+}
+.reveal .slides {
+	position: static;
+	width: 100%;
+	height: auto;
+
+	left: auto;
+	top: auto;
+	margin-left: auto;
+	margin-top: auto;
+	padding: auto;
+
+	overflow: visible;
+	display: block;
+
+	text-align: center;
+	-webkit-perspective: none;
+	   -moz-perspective: none;
+	    -ms-perspective: none;
+	        perspective: none;
+
+	-webkit-perspective-origin: 50% 50%; /* there isn't a none/auto value but 50-50 is the default */
+	   -moz-perspective-origin: 50% 50%;
+	    -ms-perspective-origin: 50% 50%;
+	        perspective-origin: 50% 50%;
+}
+.reveal .slides>section, .reveal .slides>section>section, 
+.reveal .slides>section.past, .reveal .slides>section.future,
+.reveal.linear .slides>section, .reveal.linear .slides>section>section,
+.reveal.linear .slides>section.past, .reveal.linear .slides>section.future {
+	
+	visibility: visible;
+	position: static;
+	width: 100%;
+	height: auto;
+	display: block;
+	overflow: visible;
+
+	left: 0%;
+	top: 0%;
+	margin-left: 0px;
+	margin-top: 15%;
+	padding: 20px 0px;
+
+	opacity: 1;
+
+	-webkit-transform-style: flat;
+	   -moz-transform-style: flat;
+	    -ms-transform-style: flat;
+	        transform-style: flat;
+
+	-webkit-transform: none;
+	   -moz-transform: none;
+	    -ms-transform: none;
+	        transform: none;
+}
+.reveal section {
+	page-break-after: always !important; 
+	display: block !important;
+}
+.reveal section.stack {
+	margin-top: 0% !important;
+	page-break-after: avoid !important; 
+}
+.reveal section .fragment {
+	opacity: 1 !important;
+}
+.reveal img {
+	box-shadow: none;
+}
\ No newline at end of file
diff --git a/css/print.css b/css/print.css
index 519120ed..0ac55975 100644
--- a/css/print.css
+++ b/css/print.css
@@ -11,7 +11,7 @@
    beyond the edge of the printed page, and prevents
    unnecessary background images from printing */
 body {
-	background: #fff url(none);
+	background: #fff;
 	font-size: 13pt;
 	width: auto;
 	height: auto;
@@ -32,8 +32,11 @@ html {
    This would include navigation, ads, sidebars, etc. */
 .nestedarrow, 
 .controls a, 
-.reveal .progress span, 
-.reveal.overview {
+.reveal .progress, 
+.reveal.overview,
+.fork-reveal,
+.share-reveal,
+.state-background {
 	display:none;
 }
 
diff --git a/index.html b/index.html
index 2845842c..c4cf2941 100644
--- a/index.html
+++ b/index.html
@@ -16,10 +16,13 @@
 		
 		<link rel="stylesheet" href="css/reset.css">
 		<link rel="stylesheet" href="css/main.css">
-		<link rel="stylesheet" href="css/print.css" type="text/css" media="print">
-
 		<link rel="stylesheet" href="lib/css/zenburn.css">
 
+		<script>
+			// If the query includes print-pdf we'll use the fancy print CSS
+			document.write( '<link rel="stylesheet" href="css/' + (window.location.search.match( /print-pdf/gi ) ? 'print-pdf.css' : 'print.css') + '" type="text/css" media="print">' );
+		</script>
+
 		<!--[if lt IE 9]>
 		<script src="lib/js/html5shiv.js"></script>
 		<![endif]-->
@@ -36,11 +39,7 @@
 			<div class="slides">
 				<section>
 					<h1>Reveal.js</h1>
-					<h3 class="inverted">CSS 3D Presentations</h3>
-					<script>
-						// Delicously hacky. Look away.
-						if( navigator.userAgent.match( /(iPhone|iPad|iPod|Android)/i ) ) document.write( '<p style="color: rgba(0,0,0,0.3); text-shadow: none;">('+'Tap to navigate'+')</p>' );
-					</script>
+					<h3 class="inverted">HTML Presentations Made Easy</h3>
 				</section>
 				
 				<section>
@@ -223,7 +222,7 @@ function linkify( selector ) {
 				<section>
 					<h2>Intergalactic Interconnections</h2>
 					<p>
-						You can link between slides internally,<br/>
+						You can link between slides internally,
 						<a href="#/2/3">like this</a>.
 					</p>
 				</section>
@@ -333,7 +332,7 @@ function linkify( selector ) {
 			// Load the scripts and, when completed, initialize reveal.js
 			head.js.apply( null, scripts );
 			
-		</script>
+		</script>x
 
 	</body>
 </html>
diff --git a/js/reveal.js b/js/reveal.js
index 432f80db..593fad41 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -1,5 +1,5 @@
 /*!
- * reveal.js 1.5 r13
+ * reveal.js 1.5 r14
  * http://lab.hakim.se/reveal-js
  * MIT licensed
  *