fixed #859. images now resize again when they are loaded.

lib/network/modules/components/nodes/util/CircleImageBase.js

@@ -4,12 +4,27 @@ class CircleImageBase extends NodeBase {
   constructor(options, body, labelModule) {
     super(options, body, labelModule);
     this.labelOffset = 0;
+    this.imageLoaded = false;
   }
 
+  /**
+   * This function resizes the image by the options size when the image has not yet loaded. If the image has loaded, we
+   * force the update of the size again.
+   *
+   * @private
+   */
   _resizeImage() {
-    if (!this.width || !this.height) {  // undefined or 0
-      var width, height, ratio;
+    let force = false;
+    if (!this.imageObj.width || !this.imageObj.height) { // undefined or 0
+      this.imageLoaded = false;
+    }
+    else if (this.imageLoaded === false) {
+      this.imageLoaded = true;
+      force = true;
+    }
 
+    if (!this.width || !this.height || force === true) {  // undefined or 0
+      var width, height, ratio;
       if (this.imageObj.width && this.imageObj.height) { // not undefined or 0
         width = 0;
         height = 0;
@@ -33,6 +48,7 @@ class CircleImageBase extends NodeBase {
       this.height = height;
       this.radius = 0.5*this.width;
     }
+
   }
 
   _drawRawCircle(ctx, x, y, selected, hover, size) {