Web Screenshots using PhantomJS

ss.js

var page = require('webpage').create();
var system = require('system');

if (system.args.length !== 6) {
    console.log('Usage: phantomjs ' + system.args[0] + ' [source] [destination] [width] [height] [delay]');
    phantom.exit(1);
}

//page.settings.javascriptEnabled = false;
page.viewportSize = { width: system.args[3], height: system.args[4] };

page.open(system.args[1], function (status) {
    if (status !== "success") {
        console.log('Unable to resolve address: ' + system.args[1].replace(/http(s)?:\/\//, ''));
        phantom.exit(1);
    }

    window.setTimeout(function() {
        page.evaluate(function() {
            // fix: if no backgroundColor set on body, background renders transparent / black
            if (getComputedStyle(document.body, null).backgroundColor === "rgba(0, 0, 0, 0)") {
                document.body.style.backgroundColor = "white";
            }
        });

        page.render(system.args[2]);
        page.close();
        phantom.exit();
    }, system.args[5]);
});