diff options
| -rw-r--r-- | js/reveal.js | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/js/reveal.js b/js/reveal.js index dcd09c7..626ce7a 100644 --- a/js/reveal.js +++ b/js/reveal.js @@ -196,6 +196,13 @@ // 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, @@ -661,8 +668,8 @@ var slideSize = getComputedSlideSize( window.innerWidth, window.innerHeight ); // Dimensions of the PDF pages - var pageWidth = Math.ceil( slideSize.width * ( 1 + config.margin ) ), - pageHeight = Math.ceil( slideSize.height * ( 1 + config.margin ) ); + var pageWidth = Math.floor( slideSize.width * ( 1 + config.margin ) ), + pageHeight = Math.floor( slideSize.height * ( 1 + config.margin ) ); // Dimensions of slides within the pages var slideWidth = slideSize.width, @@ -719,7 +726,7 @@ // so that no page ever flows onto another var page = document.createElement( 'div' ); page.className = 'pdf-page'; - page.style.height = ( pageHeight * numberOfPages ) + 'px'; + page.style.height = ( ( pageHeight + config.pdfPageHeightOffset ) * numberOfPages ) + 'px'; slide.parentNode.insertBefore( page, slide ); page.appendChild( slide ); |