From ea5c7c1d52aacf03a2b989467c145e613b491f46 Mon Sep 17 00:00:00 2001
From: favoritas37 <ftylitak@gmail.com>
Date: Sat, 20 Feb 2016 15:31:36 +0200
Subject: [PATCH] optimized CameraImageWrapper::getMatrix by removing an extra
 (uneeded) image copy

---
 src/CameraImageWrapper.cpp | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/src/CameraImageWrapper.cpp b/src/CameraImageWrapper.cpp
index 2b7ebd7..9de102d 100644
--- a/src/CameraImageWrapper.cpp
+++ b/src/CameraImageWrapper.cpp
@@ -103,10 +103,11 @@ ArrayRef<char> CameraImageWrapper::getMatrix() const
 {
     int width = getWidth();
     int height =  getHeight();
-    char* matrix = new char[width*height];
-    char* m = matrix;
 
     ArrayRef<char> tmpRow(0);
+    ArrayRef<char> arr(width*height);
+
+    char* m = &arr[0];
 
     for(int y=0; y<height; y++)
     {
@@ -119,12 +120,6 @@ ArrayRef<char> CameraImageWrapper::getMatrix() const
         m += width * sizeof(unsigned char);
     }
 
-    ArrayRef<char> arr = ArrayRef<char>(matrix, width*height);
-
-    if (matrix) {
-        delete matrix;
-    }
-
     return arr;
 }