diff --git a/src/basic/Point.js b/src/basic/Point.js
index 7a4ea7c2..f1a8ee08 100644
--- a/src/basic/Point.js
+++ b/src/basic/Point.js
@@ -273,12 +273,15 @@ var Point = Base.extend({
 
 	statics: {
 		read: function(args) {
-			if(args.length) {
+			if (args.length == 1 && args[0] instanceof Point) {
+				return args[0];
+			} else if (args.length) {
 				var point = new Point();
 				point.initialize.apply(point, args);
 				return point;
 			}
 		},
+
 		min: function(point1, point2) {
 			return new Point(
 				Math.min(point1.x, point2.x),
diff --git a/src/basic/Rectangle.js b/src/basic/Rectangle.js
index ff27d31a..38bd70a8 100644
--- a/src/basic/Rectangle.js
+++ b/src/basic/Rectangle.js
@@ -278,7 +278,9 @@ Rectangle = Base.extend({
 	
 	statics: {
 		read: function(args) {
-			if(args.length) {
+			if (args.length == 1 && args[0] instanceof Rectangle) {
+				return args[0];
+			} else if (args.length) {
 				var rect = new Rectangle();
 				rect.initialize.apply(rect, args);
 				return rect;
diff --git a/src/basic/Size.js b/src/basic/Size.js
index ffac90f6..776e5295 100644
--- a/src/basic/Size.js
+++ b/src/basic/Size.js
@@ -88,12 +88,15 @@ var Size = Base.extend({
 
 	statics: {
 		read: function(args) {
-			if(args.length) {
+			if (args.length == 1 && args[0] instanceof Size) {
+				return args[0];
+			} else if (args.length) {
 				var size = new Size();
 				size.initialize.apply(size, args);
 				return size;
 			}
 		},
+
 		min: function(Size1, Size2) {
 			return new Size(
 				Math.min(Size1.width, Size2.width),
diff --git a/src/path/Segment.js b/src/path/Segment.js
index 45a8b365..86e1be6f 100644
--- a/src/path/Segment.js
+++ b/src/path/Segment.js
@@ -135,7 +135,9 @@ Segment = Base.extend({
 	
 	statics: {
 		read: function(args) {
-			if(args.length && args[0] != null) {
+			if (args.length == 1 && args[0] instanceof Segment) {
+				return args[0];
+			} else if (args.length && args[0] != null) {
 				var segment = new Segment();
 				segment.initialize.apply(segment, args);
 				return segment;