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/**
* phantomjs script for printing presentations to PDF.
*
* Example:
* phantomjs print-pdf.js "http://revealjs.com?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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