First commit.

Signed-off-by: Chen Xiao <abigwc@gmail.com>

client/node_modules/layout-base/src/util/RectangleD.js

@@ -0,0 +1,130 @@
+function RectangleD(x, y, width, height) {
+  this.x = 0;
+  this.y = 0;
+  this.width = 0;
+  this.height = 0;
+
+  if (x != null && y != null && width != null && height != null) {
+    this.x = x;
+    this.y = y;
+    this.width = width;
+    this.height = height;
+  }
+}
+
+RectangleD.prototype.getX = function ()
+{
+  return this.x;
+};
+
+RectangleD.prototype.setX = function (x)
+{
+  this.x = x;
+};
+
+RectangleD.prototype.getY = function ()
+{
+  return this.y;
+};
+
+RectangleD.prototype.setY = function (y)
+{
+  this.y = y;
+};
+
+RectangleD.prototype.getWidth = function ()
+{
+  return this.width;
+};
+
+RectangleD.prototype.setWidth = function (width)
+{
+  this.width = width;
+};
+
+RectangleD.prototype.getHeight = function ()
+{
+  return this.height;
+};
+
+RectangleD.prototype.setHeight = function (height)
+{
+  this.height = height;
+};
+
+RectangleD.prototype.getRight = function ()
+{
+  return this.x + this.width;
+};
+
+RectangleD.prototype.getBottom = function ()
+{
+  return this.y + this.height;
+};
+
+RectangleD.prototype.intersects = function (a)
+{
+  if (this.getRight() < a.x)
+  {
+    return false;
+  }
+
+  if (this.getBottom() < a.y)
+  {
+    return false;
+  }
+
+  if (a.getRight() < this.x)
+  {
+    return false;
+  }
+
+  if (a.getBottom() < this.y)
+  {
+    return false;
+  }
+
+  return true;
+};
+
+RectangleD.prototype.getCenterX = function ()
+{
+  return this.x + this.width / 2;
+};
+
+RectangleD.prototype.getMinX = function ()
+{
+  return this.getX();
+};
+
+RectangleD.prototype.getMaxX = function ()
+{
+  return this.getX() + this.width;
+};
+
+RectangleD.prototype.getCenterY = function ()
+{
+  return this.y + this.height / 2;
+};
+
+RectangleD.prototype.getMinY = function ()
+{
+  return this.getY();
+};
+
+RectangleD.prototype.getMaxY = function ()
+{
+  return this.getY() + this.height;
+};
+
+RectangleD.prototype.getWidthHalf = function ()
+{
+  return this.width / 2;
+};
+
+RectangleD.prototype.getHeightHalf = function ()
+{
+  return this.height / 2;
+};
+
+module.exports = RectangleD;