cast to string if first parameter is buffer

nulltask · nulltask · commit 88fa82c1d61c · 2012-08-13T23:37:12.000+09:00
diff --git a/lib/processing.js b/lib/processing.js
@@ -69,7 +69,11 @@ exports.Processing = Processing;
 
 exports.createInstance = function(canvas, path) {
   var src;
-  
+ 
+  if (Buffer.isBuffer(canvas)) {
+    canvas = canvas.toString();
+  }
+
   if (1 == arguments.length) {
     path = canvas;
     canvas = document.createElement('canvas');
@@ -81,7 +85,7 @@ exports.createInstance = function(canvas, path) {
   if (!src) {
     src = fs.readFileSync(path).toString();
   }
-  
+ 
   return patch(new Processing(canvas, src), path);
 };
 
