Issue 508

[zxing.git] / cpp / core / src / zxing / LuminanceSource.h

diff --git a/cpp/core/src/zxing/LuminanceSource.h b/cpp/core/src/zxing/LuminanceSource.h
index 00223ca..bbcfa26 100644 (file)
--- a/cpp/core/src/zxing/LuminanceSource.h
+++ b/cpp/core/src/zxing/LuminanceSource.h
@@ -1,9 +1,10 @@
+#ifndef __LUMINANCESOURCE_H__
+#define __LUMINANCESOURCE_H__
 /*
  *  LuminanceSource.h
  *  zxing
  *
- *  Created by Ralf Kistner on 16/10/2009.
- *  Copyright 2008 ZXing authors All rights reserved.
+ *  Copyright 2010 ZXing authors All rights reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,9 +19,6 @@
  * limitations under the License.
  */
 
-#ifndef LUMINANCESOURCE_H_
-#define LUMINANCESOURCE_H_
-
 #include <zxing/common/Counted.h>
 #include <string.h>
 
@@ -34,6 +32,7 @@ public:
   virtual int getWidth() const = 0;
   virtual int getHeight() const = 0;
 
+  // Callers take ownership of the returned memory and must call delete [] on it themselves.
   virtual unsigned char* getRow(int y, unsigned char* row) = 0;
   virtual unsigned char* getMatrix();