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@@ -413,21 +413,19 @@ var Reveal = (function(){
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*/
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function setupPDF() {
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- // The aspect ratio of pages when saving to PDF in Chrome,
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- // we need to abide by this ratio when determining the pixel
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- // size of our pages
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- var pageAspectRatio = 1.295;
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-
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var slideSize = getComputedSlideSize( window.innerWidth, window.innerHeight );
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// Dimensions of the PDF pages
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var pageWidth = Math.round( slideSize.width * ( 1 + config.margin ) ),
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- pageHeight = Math.round( pageWidth / pageAspectRatio );
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+ pageHeight = Math.round( slideSize.height * ( 1 + config.margin ) );
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// Dimensions of slides within the pages
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var slideWidth = slideSize.width,
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slideHeight = slideSize.height;
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+ // Let the browser know what page size we want to print
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+ injectStyleSheet( '@page{size:'+ pageWidth +'px '+ pageHeight +'px; margin: 0;}' );
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+
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document.body.classList.add( 'print-pdf' );
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document.body.style.width = pageWidth + 'px';
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document.body.style.height = pageHeight + 'px';
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@@ -944,6 +942,23 @@ var Reveal = (function(){
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}
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+ /**
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+ * Injects the given CSS styles into the DOM.
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+ */
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+ function injectStyleSheet( value ) {
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+
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+ var tag = document.createElement( 'style' );
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+ tag.type = 'text/css';
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+ if( tag.styleSheet ) {
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+ tag.styleSheet.cssText = value;
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+ }
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+ else {
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+ tag.appendChild( document.createTextNode( value ) );
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+ }
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+ document.getElementsByTagName( 'head' )[0].appendChild( tag );
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+
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+ }
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+
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/**
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* Retrieves the height of the given element by looking
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* at the position and height of its immediate children.
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