GreyscaleRotatedLuminanceSource: implemented getMatrix()

[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 fb54115..bbcfa26 100644 (file)
--- a/cpp/core/src/zxing/LuminanceSource.h
+++ b/cpp/core/src/zxing/LuminanceSource.h
@@ -32,6 +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();