PhantomJS - rasterize

PhnatomJS2.js

var page    = require('webpage').create(),
	address,
	output, 
	size;

if (phantom.args.length < 1) {
	console.log('Error: Wrong number of parameters provided');
	phantom.exit();
} 
else {
	address = phantom.args[0];
	output  = phantom.args[1];
	size    = phantom.args[2];

	if (typeof output === 'undefined') {
		output = 'output.png';
	}

	if (typeof size === 'undefined') {
		size = [1024,768];
	}
	else {
		size = size.split('*');
	}

	page.viewportSize = { width: size[0], height: size[1] };

	page.open(address, function(status) {
		if (status === 'success') {
			console.log(output);
			window.setTimeout(function(){
				page.render(output);
				phantom.exit();
			});
		}
		else {
			console.log('Error: Failed to load the address: ' + address);
			phantom.exit();
		}
	});
}