/**

* 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)
*/

// html2pdf.js var system = require( 'system' );

var probePage = new WebPage(); var printPage = new WebPage();

var inputFile = system.args || 'index.html?print-pdf'; var outputFile = system.args || 'slides.pdf';

if( outputFile.match( /.pdf$/gi ) === null ) {

outputFile += '.pdf';

}

console.log( 'Export PDF: Reading reveal.js config [1/3]' );

probePage.open( inputFile, function( status ) {

console.log( 'Export PDF: Preparing print layout [2/3]' );

var config = probePage.evaluate( function() {
        return Reveal.getConfig();
} );

printPage.paperSize = {
        width: config.width * ( 1 + config.margin ),
        height: config.height * ( 1 + config.margin ),
        border: 0
};

printPage.open( inputFile, function( status ) {
        window.setTimeout( function() {
                console.log( 'Export PDF: Writing file [3/3]' );
                printPage.render( outputFile );
                console.log( 'Export PDF: Finished successfully!' );
                phantom.exit();
        }, 1000 );
} );

} );