+a few changes for jp4 previewing in camvc

src/jp4-canvas/jquery-jp4.js

@@ -141,6 +141,36 @@
       
     }
     
+    this.refresh = function(){
+      send_request();
+    }
+    
+    this.resize = function(w){
+      
+      settings.width = w;
+      send_request();
+      
+    }
+    
+    this.setAddr = function(url,port){
+      
+      settings.port = port;
+      settings.url = ip;
+      
+      return 0;
+      
+    }
+    
+    this.getFormat = function(){
+      
+      return this.format;
+      
+    }
+    
+    this.getAddr = function(){
+      return Array(settings.ip,settings.port);
+    }
+    
     function process_image(imagedata){
         
         var canvas = cnv_working;
@@ -387,6 +417,8 @@
         //default:
       }
       
+      obj.format = IMAGE_FORMAT;
+      
       //var gains = Array();
       //var blacks = Array();
       var gammas = Array();