DevTools: Create 2D slider for shadow-editor offset

third_party/WebKit/Source/devtools/front_end/common/Geometry.js

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 72 matching lines @@
     /**
      * @param {!WebInspector.Geometry.Point} p
      * @return {number}
      */
     distanceTo: function(p)
     {
         return Math.sqrt(Math.pow(p.x - this.x, 2) + Math.pow(p.y - this.y, 2));
     },
 
     /**
+     * @param {number} scalar
+     */
+    scale: function(scalar)
+    {
+        this.x *= scalar;

[lushnikov, 2016/08/31 00:48:03]

let's return a new object instead of mutating

[flandy, 2016/08/31 01:35:05]

Done.

+        this.y *= scalar;
+    },
+
+    /**
      * @override
      * @return {string}
      */
     toString: function()
     {
         return Math.round(this.x * 100) / 100 + ", " + Math.round(this.y * 100) / 100;
     }
 }
 
 /**
@@ skipping 421 matching lines @@
 /**
  * @param {!Constraints|number} value
  * @return {!Constraints}
  */
 Constraints.prototype.addHeight = function(value)
 {
     if (typeof value === "number")
         return new Constraints(this.minimum.addHeight(value), this.preferred.addHeight(value));
     return new Constraints(this.minimum.addHeight(value.minimum), this.preferred.addHeight(value.preferred));
 }