Print

print-order.js

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

$("body").append('<canvas id="printCanvas"   width="384" height="'+ canvasHeight + '"></canvas>');
var canvas = document.getElementById('printCanvas');
   this.drawCanvas(canvas,order, 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 + "/tmp.png"; 
		fs.writeFile(imgPath , buf, function(err){


			// exec("convert tmp.png   -flatten -negate -monochrome -colors 2 print.bmp", function(){
			exec("convert tmp.png  -flip -flatten -negate -monochrome -colors 2 bmp:- | tail -c+35  > /dev/thprint", function(){
				$ionicLoading.hide();
			});
		});
   	}
});