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new phantom pdf export script that works with 3.4.0 #1815

edit
Hakim El Hattab 2017-02-15 11:18:54 +01:00
parent bc1ca1a58a
commit a349ff43c5
1 changed files with 29 additions and 26 deletions
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49
plugin/print-pdf/print-pdf.js
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@ -4,30 +4,15 @@
* Example: * Example:
* phantomjs print-pdf.js "http://lab.hakim.se/reveal-js?print-pdf" reveal-demo.pdf * phantomjs print-pdf.js "http://lab.hakim.se/reveal-js?print-pdf" reveal-demo.pdf
* *
* By Manuel Bieh (https://github.com/manuelbieh) * @author Manuel Bieh (https://github.com/manuelbieh)
* @author Hakim El Hattab (https://github.com/hakimel)
*/ */
// html2pdf.js // html2pdf.js
var page = new WebPage();
var system = require( 'system' ); var system = require( 'system' );
var slideWidth = system.args[3] ? system.args[3].split( 'x' )[0] : 960; var probePage = new WebPage();
var slideHeight = system.args[3] ? system.args[3].split( 'x' )[1] : 700; var printPage = new WebPage();
page.viewportSize = {
width: slideWidth,
height: slideHeight
};
// TODO
// Something is wrong with these config values. An input
// paper width of 1920px actually results in a 756px wide
// PDF.
page.paperSize = {
width: Math.round( slideWidth * 2 ),
height: Math.round( slideHeight * 2 ),
border: 0
};
var inputFile = system.args[1] || 'index.html?print-pdf'; var inputFile = system.args[1] || 'index.html?print-pdf';
var outputFile = system.args[2] || 'slides.pdf'; var outputFile = system.args[2] || 'slides.pdf';
@ -36,13 +21,31 @@ if( outputFile.match( /\.pdf$/gi ) === null ) {
outputFile += '.pdf'; outputFile += '.pdf';
} }
console.log( 'Printing PDF (Paper size: '+ page.paperSize.width + 'x' + page.paperSize.height +')' ); console.log( 'Export PDF: Reading reveal.js config [1/3]' );
page.open( inputFile, function( status ) { 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() { window.setTimeout( function() {
console.log( 'Printed successfully' ); console.log( 'Export PDF: Writing file [3/3]' );
page.render( outputFile ); printPage.render( outputFile );
console.log( 'Export PDF: Finished successfully!' );
phantom.exit(); phantom.exit();
}, 1000 ); }, 1000 );
} );
} ); } );