upgrade to reveal.js-3.3.0
diff --git a/inst/reveal.js-3.3.0/plugin/print-pdf/print-pdf.js b/inst/reveal.js-3.3.0/plugin/print-pdf/print-pdf.js
new file mode 100644
index 0000000..38a698d
--- /dev/null
+++ b/inst/reveal.js-3.3.0/plugin/print-pdf/print-pdf.js
@@ -0,0 +1,48 @@
+/**
+ * phantomjs script for printing presentations to PDF.
+ *
+ * Example:
+ * phantomjs print-pdf.js "http://lab.hakim.se/reveal-js?print-pdf" reveal-demo.pdf
+ *
+ * By Manuel Bieh (https://github.com/manuelbieh)
+ */
+
+// html2pdf.js
+var page = new WebPage();
+var system = require( 'system' );
+
+var slideWidth = system.args[3] ? system.args[3].split( 'x' )[0] : 960;
+var slideHeight = system.args[3] ? system.args[3].split( 'x' )[1] : 700;
+
+page.viewportSize = {
+ width: slideWidth,
+ height: slideHeight
+};
+
+// TODO
+// Something is wrong with these config values. An input
+// paper width of 1920px actually results in a 756px wide
+// PDF.
+page.paperSize = {
+ width: Math.round( slideWidth * 2 ),
+ height: Math.round( slideHeight * 2 ),
+ border: 0
+};
+
+var inputFile = system.args[1] || 'index.html?print-pdf';
+var outputFile = system.args[2] || 'slides.pdf';
+
+if( outputFile.match( /\.pdf$/gi ) === null ) {
+ outputFile += '.pdf';
+}
+
+console.log( 'Printing PDF (Paper size: '+ page.paperSize.width + 'x' + page.paperSize.height +')' );
+
+page.open( inputFile, function( status ) {
+ window.setTimeout( function() {
+ console.log( 'Printed successfully' );
+ page.render( outputFile );
+ phantom.exit();
+ }, 1000 );
+} );
+