Set pictures' width and height.

Set pictures model's width and height property,
and serve them to client.

server/classes.js

@@ -98,10 +98,10 @@ module.exports = {
             });
         };
 
-        this.changePicture = function(pid) {
-            this.current_picture = pid;
+        this.changePicture = function(picture) {
+            this.current_picture = picture._id;
             _.each(this.users, function(user) {
-                user.socket.emit('picture_changed', {pid: pid});
+                user.socket.emit('picture_changed', {pid: picture._id, width: picture.width, height: picture.height});
             });
         };
     }

server/handlers.js

@@ -61,6 +61,9 @@ function Handlers(web) {
                             var createThumbnailAndMinified = function() {
                                 // get size
                                 gm(original).size(function(err, size) {
+                                    picture.width = size.width;
+                                    picture.height = size.height;
+
                                     // create thumbnail
                                     var thumbnail_width = size.width >= size.height ? 300 : size.width * 300 / size.height,
                                         thumbnail_height = size.width <= size.height ? 300 : size.height * 300 / size.width,
@@ -93,7 +96,7 @@ function Handlers(web) {
                                                 }
 
                                                 // set as current picture of channel
-                                                web.socket.changePicture(channel, picture._id);
+                                                web.socket.changePicture(channel, picture);
                                             });
                                         };
 

server/socket.js

@@ -81,8 +81,8 @@ function Socket(web) {
         });
     });
 
-    this.changePicture = function(channel, pid) {
-        channels[channel].changePicture(pid);
+    this.changePicture = function(channel, picture) {
+        channels[channel].changePicture(picture);
     };
 }