From 7b0cf3c8602fe3ea49708a33cc2853314ed51717 Mon Sep 17 00:00:00 2001
From: vision <visiblelight@gmail.com>
Date: Wed, 14 May 2014 11:21:46 +0800
Subject: [PATCH] replace std::function with const std::function&

---
 cocos/renderer/CCRenderer.cpp | 28 ++++++++++++++--------------
 cocos/renderer/CCRenderer.h   |  4 ++--
 2 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/cocos/renderer/CCRenderer.cpp b/cocos/renderer/CCRenderer.cpp
index 6f4dc3301e..42753bea86 100644
--- a/cocos/renderer/CCRenderer.cpp
+++ b/cocos/renderer/CCRenderer.cpp
@@ -538,14 +538,14 @@ bool Renderer::checkVisibility(const Matrix &transform, const Size &size)
     return ret;
 }
 
-void Renderer::captureScreen(std::function<void(bool, const std::string&)> afterCaptured, const std::string& filename, const Rect& rect)
+void Renderer::captureScreen(const std::function<void(bool, const std::string&)>& afterCaptured, const std::string& filename, const Rect& rect)
 {
     _captureScreen.init(std::numeric_limits<float>::max());
     _captureScreen.func = CC_CALLBACK_0(Renderer::onCaptureScreen, this, afterCaptured, filename, true, rect);
     addCommand(&_captureScreen);
 }
 
-void Renderer::onCaptureScreen(std::function<void(bool, const std::string&)> afterCaptured, const std::string& filename, bool flipped, const Rect& rect)
+void Renderer::onCaptureScreen(const std::function<void(bool, const std::string&)>& afterCaptured, const std::string& filename, bool flipped, const Rect& rect)
 {
     // Generally the user specifiy the rect with design resolution, thus we have to convert it
     // into a significant value which is metered by pixel.
@@ -573,23 +573,23 @@ void Renderer::onCaptureScreen(std::function<void(bool, const std::string&)> aft
 
     do
     {
-	    GLubyte* buffer = new GLubyte[width * height * 4];
-	    if (!buffer)
-	    {
-		    CC_SAFE_DELETE_ARRAY(buffer);
-		    break;
-	    }
+        GLubyte* buffer = new GLubyte[width * height * 4];
+        if (!buffer)
+        {
+            CC_SAFE_DELETE_ARRAY(buffer);
+            break;
+        }
 		
-	    glPixelStorei(GL_PACK_ALIGNMENT, 1);
-	    glReadPixels(originx, originy, width, height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+        glPixelStorei(GL_PACK_ALIGNMENT, 1);
+        glReadPixels(originx, originy, width, height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
 
-	    if (flipped)
-	    {
+        if (flipped)
+        {
             GLubyte* flippedBuffer = new GLubyte[width * height * 4];
             if (!flippedBuffer)
             {
-        	    CC_SAFE_DELETE(flippedBuffer);
-        	    break;
+                CC_SAFE_DELETE(flippedBuffer);
+                break;
             }
 
             for (int row = 0; row < height; ++row)
diff --git a/cocos/renderer/CCRenderer.h b/cocos/renderer/CCRenderer.h
index 8d1092bd4c..2157d84b6d 100644
--- a/cocos/renderer/CCRenderer.h
+++ b/cocos/renderer/CCRenderer.h
@@ -119,7 +119,7 @@ public:
     bool checkVisibility(const Matrix& transform, const Size& size);
 
     /** capture screen */
-    void captureScreen(std::function<void(bool, const std::string&)> afterCaptued, const std::string& filename, const Rect& rect = Rect::ZERO);
+    void captureScreen(const std::function<void(bool, const std::string&)>& afterCaptued, const std::string& filename, const Rect& rect = Rect::ZERO);
 
 protected:
 
@@ -139,7 +139,7 @@ protected:
 
     void convertToWorldCoordinates(V3F_C4B_T2F_Quad* quads, ssize_t quantity, const Matrix& modelView);
 
-    void onCaptureScreen(std::function<void(bool, const std::string&)> afterCaptued, const std::string& fileanme, bool flipped, const Rect& rect);
+    void onCaptureScreen(const std::function<void(bool, const std::string&)>& afterCaptued, const std::string& fileanme, bool flipped, const Rect& rect);
 
     std::stack<int> _commandGroupStack;