9a7c7ce93a
Use window.callPhantom icw page. onCallback to wait for pdf-ready event. From: http://stackoverflow.com/a/28925479/129269
70 lines
1.9 KiB
JavaScript
70 lines
1.9 KiB
JavaScript
/**
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* phantomjs script for printing presentations to PDF.
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*
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* Example:
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* phantomjs print-pdf.js "http://lab.hakim.se/reveal-js?print-pdf" reveal-demo.pdf
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*
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* @author Manuel Bieh (https://github.com/manuelbieh)
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* @author Hakim El Hattab (https://github.com/hakimel)
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* @author Manuel Riezebosch (https://github.com/riezebosch)
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*/
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// html2pdf.js
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var system = require( 'system' );
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var probePage = new WebPage();
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var printPage = new WebPage();
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var inputFile = system.args[1] || 'index.html?print-pdf';
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var outputFile = system.args[2] || 'slides.pdf';
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if( outputFile.match( /\.pdf$/gi ) === null ) {
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outputFile += '.pdf';
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}
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console.log( 'Export PDF: Reading reveal.js config [1/4]' );
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probePage.open( inputFile, function( status ) {
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console.log( 'Export PDF: Preparing print layout [2/4]' );
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var config = probePage.evaluate( function() {
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return Reveal.getConfig();
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} );
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if( config ) {
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printPage.paperSize = {
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width: Math.floor( config.width * ( 1 + config.margin ) ),
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height: Math.floor( config.height * ( 1 + config.margin ) ),
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border: 0
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};
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printPage.open( inputFile, function( status ) {
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console.log( 'Export PDF: Preparing pdf [3/4]')
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printPage.evaluate(function() {
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Reveal.isReady() ? window.callPhantom() : Reveal.addEventListener( 'pdf-ready', window.callPhantom );
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});
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} );
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printPage.onCallback = function(data) {
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// For some reason we need to "jump the queue" for syntax highlighting to work.
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// See: http://stackoverflow.com/a/3580132/129269
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setTimeout(function() {
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console.log( 'Export PDF: Writing file [4/4]' );
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printPage.render( outputFile );
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console.log( 'Export PDF: Finished successfully!' );
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phantom.exit();
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}, 0);
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};
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}
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else {
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console.log( 'Export PDF: Unable to read reveal.js config. Make sure the input address points to a reveal.js page.' );
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phantom.exit(1);
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}
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} );
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