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/**
* phantomjs script for printing presentations to PDF.
*
* Example:
* phantomjs print-pdf.js "http://lab.hakim.se/reveal-js?print-pdf" reveal-demo.pdf
*
* @author Manuel Bieh (https://github.com/manuelbieh)
* @author Hakim El Hattab (https://github.com/hakimel)
* @author Manuel Riezebosch (https://github.com/riezebosch)
*/
// html2pdf.js
var system = require( 'system' );
var probePage = new WebPage();
var printPage = new WebPage();
var inputFile = system.args[1] || 'index.html?print-pdf';
var outputFile = system.args[2] || 'slides.pdf';
if( outputFile.match( /\.pdf$/gi ) === null ) {
outputFile += '.pdf';
}
console.log( 'Export PDF: Reading reveal.js config [1/4]' );
probePage.open( inputFile, function( status ) {
console.log( 'Export PDF: Preparing print layout [2/4]' );
var config = probePage.evaluate( function() {
return Reveal.getConfig();
} );
if( config ) {
printPage.paperSize = {
width: Math.floor( config.width * ( 1 + config.margin ) ),
height: Math.floor( config.height * ( 1 + config.margin ) ),
border: 0
};
printPage.open( inputFile, function( status ) {
console.log( 'Export PDF: Preparing pdf [3/4]')
printPage.evaluate(function() {
Reveal.isReady() ? window.callPhantom() : Reveal.addEventListener( 'pdf-ready', window.callPhantom );
});
} );
printPage.onCallback = function(data) {
// For some reason we need to "jump the queue" for syntax highlighting to work.
// See: http://stackoverflow.com/a/3580132/129269
setTimeout(function() {
console.log( 'Export PDF: Writing file [4/4]' );
printPage.render( outputFile );
console.log( 'Export PDF: Finished successfully!' );
phantom.exit();
}, 0);
};
}
else {
console.log( 'Export PDF: Unable to read reveal.js config. Make sure the input address points to a reveal.js page.' );
phantom.exit(1);
}
} );
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