added isnude method to simplify usage; changed test to reflect change

lib/node-nude.js

@@ -43,4 +43,34 @@ nude.prototype.scan = function(callback){
                           myWorker.terminate();
 			}
 		};
+nude.prototype.isnude = function(filename, callback) {
+var Canvas = require('canvas')
+  , Image = Canvas.Image
+  , fs = require('fs');
+
+var img = new Image;
+
+img.onerror = function(err){
+  throw err;
+};
+
+var self = this;
+img.onload = function(){
+  var width = img.width
+    , height = img.height
+    , canvas = new Canvas(width, height)
+    , ctx = canvas.getContext('2d');
+  console.log(img);
+  ctx.drawImage(img, 0, 0, width, height);
+  self.init(canvas);
+  self.load(img);
+  self.scan(function(result) {
+    callback(result);
+  });
+};
+
+//img.src = __dirname + '/images/3.jpg';
+img.src = filename;
+
+};
 exports.nude = nude;

tests/test.nude.js

@@ -2,34 +2,13 @@
  * test.nude.js
  */
 
-var Canvas = require('canvas')
-  , Image = Canvas.Image
-  , fs = require('fs')
-  , nude = new (require('../lib/node-nude')).nude();
-
-var img = new Image
-  , start = new Date;
-
-img.onerror = function(err){
-  throw err;
-};
-
-img.onload = function(){
-  var width = img.width
-    , height = img.height
-    , canvas = new Canvas(width, height)
-    , ctx = canvas.getContext('2d');
-  console.log(img);
-  ctx.drawImage(img, 0, 0, width, height);
-  nude.init(canvas);
-  nude.load(img);
-  nude.scan(function(result) {
-    if (result) {
-      console.log(img.src + " : Nude!!");
-    } else {
-      console.log(img.src + " : No nude!!");
-    }
-  });
-};
-
-img.src = __dirname + '/images/3.jpg';
+var nude = new (require('../lib/node-nude')).nude();
+
+var filename = __dirname + '/images/4.jpg';
+nude.isnude(filename, function(result) {
+  if (result) {
+    console.log(filename + " : Nude!!");
+  } else {
+    console.log(filename + " : No nude!!");
+  }
+});