Render the content of a page using PhantomJS

LICENSE.txt

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
                    Version 2, December 2004

 Copyright (C) 2011 João Paulo Dubas <http://aval.io>

 Everyone is permitted to copy and distribute verbatim or modified
 copies of this license document, and changing it is allowed as long
 as the name is changed.

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

  0. You just DO WHAT THE FUCK YOU WANT TO.

render.js

/**
 * Render the 001.html located on the current directory, and save it on the thumb
 * folder as 001.png.
 *
 * **Usage**
 * $ phantomjs render
 *
 * __author__: Joao P Dubas
 * __email__: joao.dubas at gmail.com
 */
var fs = require('fs');

var page = require('webpage').create(),
    options = {
        address: {
            origin: ['file:/', fs.workingDirectory, '001.html'].join(fs.separator),
            destin: [fs.workingDirectory, 'thumbs', '001.png'].join(fs.separator)
        },
        size: {
            width: 1024,
            height: 768
        },
        timer: 5000
    };

var pageRendering = {
    page: null,
    options: null,
    msg_count: 1,

    exit: function exit() {
        phantom.exit();
    },
    log: function log(msg) {
        var self = pageRendering;

        console.log(self.msg_count + '. ' + msg);
        self.msg_count += 1;
    },
    renderPage: function renderPage() {
        var self = pageRendering;

        self.log('Rendering page to: ' + self.options.address.destin);
        page.render(self.options.address.destin);
        self.exit();
    },
    loadPage: function loadPage(status) {
        var self = pageRendering;

        if (status !== 'success') {
            self.log('OMG, something went wrong!');
            self.exit();
            return;
        }

        self.log('Opened page: ' + options.address.origin);
        window.setTimeout(self.renderPage, options.timer);
    },
    init: function init(page, options) {
        this.page = page;
        this.options = options;

        this.log('Setting viewport size to: ' + this.options.size.width +
                ' x ' + this.options.size.height);
        this.page.viewportSize = this.options.size;

        this.log('Trying to open: ' + this.options.address.origin);
        this.page.open(options.address.origin, this.loadPage);
    }
};

pageRendering.init(page, options);