make pdf page height offset configurable
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1 changed files with 8 additions and 9 deletions
17
js/reveal.js
17
js/reveal.js
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@ -166,6 +166,13 @@
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// to PDF, unlimited by default
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pdfMaxPagesPerSlide: Number.POSITIVE_INFINITY,
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// Offset used to reduce the height of content within exported PDF pages.
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// This exists to account for environment differences based on how you
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// print to PDF. CLI printing options, like phantomjs and wkpdf, can end
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// on precisely the total height of the document whereas in-browser
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// printing has to end one pixel before.
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pdfPageHeightOffset: -1,
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// Number of slides away from the current that are visible
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viewDistance: 3,
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@ -664,15 +671,7 @@
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// so that no page ever flows onto another
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var page = document.createElement( 'div' );
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page.className = 'pdf-page';
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// Set the total height of the PDF page container.
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//
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// This is offset by -1 to ensure that the page ends and
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// breaks within the document/paper height. Ending exactly
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// on the document height breaks in-browser printing, but
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// works in CLI printing (phantomjs, wkpdf etc]).
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page.style.height = ( ( pageHeight - 1 ) * numberOfPages ) + 'px';
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page.style.height = ( ( pageHeight + config.pdfPageHeightOffset ) * numberOfPages ) + 'px';
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slide.parentNode.insertBefore( page, slide );
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page.appendChild( slide );
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