From 96b9bb68e309eb6af5e20fef8ca51789ab72532a Mon Sep 17 00:00:00 2001 From: hacksalot Date: Thu, 7 Jan 2016 17:53:42 -0500 Subject: [PATCH] Introduce Phantom.js rasterizer script. Via https://raw.githubusercontent.com/ariya/phantomjs/master/examples/rasterize.js. --- src/utils/rasterize.js | 51 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 src/utils/rasterize.js diff --git a/src/utils/rasterize.js b/src/utils/rasterize.js new file mode 100644 index 0000000..cd869e5 --- /dev/null +++ b/src/utils/rasterize.js @@ -0,0 +1,51 @@ +// Exemplar script for generating documents with Phantom.js. +// https://raw.githubusercontent.com/ariya/phantomjs/master/examples/rasterize.js +"use strict"; +var page = require('webpage').create(), + system = require('system'), + address, output, size; + +if (system.args.length < 3 || system.args.length > 5) { + console.log('Usage: rasterize.js URL filename [paperwidth*paperheight|paperformat] [zoom]'); + console.log(' paper (pdf output) examples: "5in*7.5in", "10cm*20cm", "A4", "Letter"'); + console.log(' image (png/jpg output) examples: "1920px" entire page, window width 1920px'); + console.log(' "800px*600px" window, clipped to 800x600'); + phantom.exit(1); +} else { + address = system.args[1]; + output = system.args[2]; + page.viewportSize = { width: 600, height: 600 }; + if (system.args.length > 3 && system.args[2].substr(-4) === ".pdf") { + size = system.args[3].split('*'); + page.paperSize = size.length === 2 ? { width: size[0], height: size[1], margin: '0px' } + : { format: system.args[3], orientation: 'portrait', margin: '1cm' }; + } else if (system.args.length > 3 && system.args[3].substr(-2) === "px") { + size = system.args[3].split('*'); + if (size.length === 2) { + pageWidth = parseInt(size[0], 10); + pageHeight = parseInt(size[1], 10); + page.viewportSize = { width: pageWidth, height: pageHeight }; + page.clipRect = { top: 0, left: 0, width: pageWidth, height: pageHeight }; + } else { + console.log("size:", system.args[3]); + pageWidth = parseInt(system.args[3], 10); + pageHeight = parseInt(pageWidth * 3/4, 10); // it's as good an assumption as any + console.log ("pageHeight:",pageHeight); + page.viewportSize = { width: pageWidth, height: pageHeight }; + } + } + if (system.args.length > 4) { + page.zoomFactor = system.args[4]; + } + page.open(address, function (status) { + if (status !== 'success') { + console.log('Unable to load the address!'); + phantom.exit(1); + } else { + window.setTimeout(function () { + page.render(output); + phantom.exit(); + }, 200); + } + }); +}