Customer Lcd

lcd.js

isNodeWebkit = (typeof process !== "undefined") ;


$("body").append('<canvas id="lcdCanvas"   width="128" height="64"></canvas>');
var canvas = document.getElementById('lcdCanvas');
   this.drawCanvas(canvas, function(){
   	if(isNodeWebkit){
   		fs = require("fs");
   		var exec = require("child_process").exec;
		var __dirname = process.cwd();

		var imgData = canvas.toDataURL().replace(/^data:image\/\w+;base64,/, "");
   		var buf = new Buffer(imgData, 'base64');

   		var imgPath =__dirname + "/lcd.png"; 
		fs.writeFile(imgPath , buf, function(err){
			exec("convert lcd.png  -flip -flatten -negate -monochrome -colors 2 bmp:- | tail -c+35  > /dev/backlcd", function(){
			});
		});
   	}
   });