From 5000873778c1f0064e7b3900858b525ccf383c59 Mon Sep 17 00:00:00 2001
From: James Chen <jianhua.chen@cocos2d-x.org>
Date: Mon, 14 Apr 2014 10:01:17 +0800
Subject: [PATCH] Const love: std::function<void(Texture2D*)> -> const
 std::function<void(Texture2D*)>&

---
 cocos/2d/CCTextureCache.cpp | 2 +-
 cocos/2d/CCTextureCache.h   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/cocos/2d/CCTextureCache.cpp b/cocos/2d/CCTextureCache.cpp
index 029df4218a..d384a1da30 100644
--- a/cocos/2d/CCTextureCache.cpp
+++ b/cocos/2d/CCTextureCache.cpp
@@ -93,7 +93,7 @@ std::string TextureCache::getDescription() const
     return StringUtils::format("<TextureCache | Number of textures = %d>", static_cast<int>(_textures.size()));
 }
 
-void TextureCache::addImageAsync(const std::string &path, std::function<void(Texture2D*)> callback)
+void TextureCache::addImageAsync(const std::string &path, const std::function<void(Texture2D*)>& callback)
 {
     Texture2D *texture = nullptr;
 
diff --git a/cocos/2d/CCTextureCache.h b/cocos/2d/CCTextureCache.h
index 39b1a8e957..7f3cfb86f1 100644
--- a/cocos/2d/CCTextureCache.h
+++ b/cocos/2d/CCTextureCache.h
@@ -117,7 +117,7 @@ public:
     * Supported image extensions: .png, .jpg
     * @since v0.8
     */
-    virtual void addImageAsync(const std::string &filepath, std::function<void(Texture2D*)> callback);
+    virtual void addImageAsync(const std::string &filepath, const std::function<void(Texture2D*)>& callback);
 
     /** Returns a Texture2D object given an Image.
     * If the image was not previously loaded, it will create a new Texture2D object and it will return it.