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authorHakim El Hattab <hakim.elhattab@gmail.com>2017-04-04 14:02:54 +0200
committerHakim El Hattab <hakim.elhattab@gmail.com>2017-04-04 14:02:54 +0200
commitc3e96f1f0e37b9f5d8052bcee6db100606c3e458 (patch)
treea7ba8713c27ddd2fa38dfa4ff4aebcce10efbe20
parent2584a6d97090f8987f49ec3aa5abcbdf8b0d1b8e (diff)
downloadfreenode-live-2017-presentation-c3e96f1f0e37b9f5d8052bcee6db100606c3e458.tar
freenode-live-2017-presentation-c3e96f1f0e37b9f5d8052bcee6db100606c3e458.tar.gz
make pdf page height offset configurable
-rw-r--r--js/reveal.js17
1 files changed, 8 insertions, 9 deletions
diff --git a/js/reveal.js b/js/reveal.js
index dd015bc..b3a634b 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -166,6 +166,13 @@
// to PDF, unlimited by default
pdfMaxPagesPerSlide: Number.POSITIVE_INFINITY,
+ // Offset used to reduce the height of content within exported PDF pages.
+ // This exists to account for environment differences based on how you
+ // print to PDF. CLI printing options, like phantomjs and wkpdf, can end
+ // on precisely the total height of the document whereas in-browser
+ // printing has to end one pixel before.
+ pdfPageHeightOffset: -1,
+
// Number of slides away from the current that are visible
viewDistance: 3,
@@ -664,15 +671,7 @@
// so that no page ever flows onto another
var page = document.createElement( 'div' );
page.className = 'pdf-page';
-
- // Set the total height of the PDF page container.
- //
- // This is offset by -1 to ensure that the page ends and
- // breaks within the document/paper height. Ending exactly
- // on the document height breaks in-browser printing, but
- // works in CLI printing (phantomjs, wkpdf etc]).
- page.style.height = ( ( pageHeight - 1 ) * numberOfPages ) + 'px';
-
+ page.style.height = ( ( pageHeight + config.pdfPageHeightOffset ) * numberOfPages ) + 'px';
slide.parentNode.insertBefore( page, slide );
page.appendChild( slide );