https://aussiefloyd.com/ScriptResource.axd?d=CpZB4Nf5iT4Ki7oIWUyhu…FOujJU_OS7Mxm001me_8kCAJW_0GpNg2&t=51e37521

1// Name:        Seadragon.Seadragon.Point.debug.js
2// Assembly:    AjaxControlToolkit
3// Version:     4.1.7.1213
4// FileVersion: 4.1.7.1213
5// (c) 2010 CodePlex Foundation
6Type.registerNamespace('Sys.Extended.UI.Seadragon');
7Type.registerNamespace('Seadragon');
8
9Seadragon.Point=Sys.Extended.UI.Seadragon.Point = function(x, y) {
10    this.x = typeof (x) == "number" ? x : 0;
11    this.y = typeof (y) == "number" ? y : 0;
12};
13Sys.Extended.UI.Seadragon.Point.prototype = {
14
15    plus: function(point) {
16        return new Sys.Extended.UI.Seadragon.Point(this.x + point.x, this.y + point.y);
17    },
18
19    minus: function(point) {
20        return new Sys.Extended.UI.Seadragon.Point(this.x - point.x, this.y - point.y);
21    },
22
23    times: function(factor) {
24        return new Sys.Extended.UI.Seadragon.Point(this.x * factor, this.y * factor);
25    },
26
27    divide: function(factor) {
28        return new Sys.Extended.UI.Seadragon.Point(this.x / factor, this.y / factor);
29    },
30
31    negate: function() {
32        return new Sys.Extended.UI.Seadragon.Point(-this.x, -this.y);
33    },
34
35    distanceTo: function(point) {
36        return Math.sqrt(Math.pow(this.x - point.x, 2) +
37                        Math.pow(this.y - point.y, 2));
38    },
39
40    apply: function(func) {
41        return new Sys.Extended.UI.Seadragon.Point(func(this.x), func(this.y));
42    },
43
44    equals: function(point) {
45        return (point instanceof Sys.Extended.UI.Seadragon.Point) &&
46                (this.x === point.x) && (this.y === point.y);
47    },
48
49    toString: function() {
50        return "(" + this.x + "," + this.y + ")";
51    }
52};
53Sys.Extended.UI.Seadragon.Point.registerClass('Sys.Extended.UI.Seadragon.Point', null, Sys.IDisposable);