diff options
Diffstat (limited to 'js/reveal.js')
| -rw-r--r-- | js/reveal.js | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/js/reveal.js b/js/reveal.js index 5ac219e..73eddeb 100644 --- a/js/reveal.js +++ b/js/reveal.js @@ -254,6 +254,10 @@ var Reveal = (function(){ */ function createBackgrounds() { + if( isPrintingPDF() ) { + document.body.classList.add( 'print-pdf' ); + } + // Clear prior backgrounds dom.background.innerHTML = ''; dom.background.classList.add( 'no-transition' ); @@ -271,6 +275,7 @@ var Reveal = (function(){ }; var element = document.createElement( 'div' ); + element.className = 'slide-background'; if( data.background ) { // Auto-wrap image urls in url(...) @@ -297,12 +302,24 @@ var Reveal = (function(){ // Iterate over all horizontal slides toArray( document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) ).forEach( function( slideh ) { - var backgroundStack = _createBackground( slideh, dom.background ); + var backgroundStack; + + if( isPrintingPDF() ) { + backgroundStack = _createBackground( slideh, slideh ); + } + else { + backgroundStack = _createBackground( slideh, dom.background ); + } // Iterate over all vertical slides toArray( slideh.querySelectorAll( 'section' ) ).forEach( function( slidev ) { - _createBackground( slidev, backgroundStack ); + if( isPrintingPDF() ) { + _createBackground( slidev, slidev ); + } + else { + _createBackground( slidev, backgroundStack ); + } } ); @@ -598,6 +615,15 @@ var Reveal = (function(){ } /** + * Checks if this instance is being used to print a PDF. + */ + function isPrintingPDF() { + + return ( /print-pdf/gi ).test( window.location.search ); + + } + + /** * Causes the address bar to hide on mobile devices, * more vertical space ftw. */ @@ -713,7 +739,7 @@ var Reveal = (function(){ */ function layout() { - if( dom.wrapper ) { + if( dom.wrapper && !isPrintingPDF() ) { // Available space to scale within var availableWidth = dom.wrapper.offsetWidth, @@ -1491,11 +1517,11 @@ var Reveal = (function(){ // states of their slides (past/present/future) toArray( dom.background.childNodes ).forEach( function( backgroundh, h ) { - backgroundh.className = ( h < indexh ? 'past' : h > indexh ? 'future' : 'present' ); + backgroundh.className = 'slide-background ' + ( h < indexh ? 'past' : h > indexh ? 'future' : 'present' ); toArray( backgroundh.childNodes ).forEach( function( backgroundv, v ) { - backgroundv.className = ( v < indexv ? 'past' : v > indexv ? 'future' : 'present' ); + backgroundv.className = 'slide-background ' + ( v < indexv ? 'past' : v > indexv ? 'future' : 'present' ); } ); |