diff --git a/src/gfx/rect_io.h b/src/gfx/rect_io.h
new file mode 100644
index 000000000..009d29409
--- /dev/null
+++ b/src/gfx/rect_io.h
@@ -0,0 +1,27 @@
+// Aseprite Gfx Library
+// Copyright (C) 2001-2014 David Capello
+//
+// This file is released under the terms of the MIT license.
+// Read LICENSE.txt for more information.
+
+#ifndef GFX_RECT_IO_H_INCLUDED
+#define GFX_RECT_IO_H_INCLUDED
+#pragma once
+
+#include "gfx/rect.h"
+#include <iosfwd>
+
+namespace gfx {
+
+  std::ostream& operator<<(std::ostream& os, const Rect& rect)
+  {
+    return os << "("
+              << rect.x << ", "
+              << rect.y << ", "
+              << rect.w << ", "
+              << rect.h << ")";
+  }
+
+}
+
+#endif
diff --git a/src/gfx/rect_tests.cpp b/src/gfx/rect_tests.cpp
index 59d8aa511..0ab4802ae 100644
--- a/src/gfx/rect_tests.cpp
+++ b/src/gfx/rect_tests.cpp
@@ -6,26 +6,14 @@
 
 #include <gtest/gtest.h>
 
-#include "gfx/rect.h"
-#include "gfx/size.h"
 #include "gfx/border.h"
+#include "gfx/rect.h"
+#include "gfx/rect_io.h"
+#include "gfx/size.h"
 
 using namespace std;
 using namespace gfx;
 
-namespace gfx {
-
-  ostream& operator<<(ostream& os, const Rect& rect)
-  {
-    return os << "("
-              << rect.x << ", "
-              << rect.y << ", "
-              << rect.w << ", "
-              << rect.h << ")";
-  }
-  
-}
-
 TEST(Rect, Ctor)
 {
   EXPECT_EQ(Rect(0, 0, 0, 0), Rect());