filter.js

//filter.js 

var app = angular.module('saposkiFilter', []);

app.controller('MainCtrl', ['$scope', function($scope){
	$scope.callSepia = function(){
		console.log('Sepia filter applied');
	}
	
	$scope.callInvert = function(){
		console.log('Invert filter applied');
	}
	
	$scope.callSaturate = function(){
		console.log('Saturation filter applied');
	}
	
}])