From f1a53b120ee5ebfdcd13d178c459188ea8451ee8 Mon Sep 17 00:00:00 2001
From: Andreas Grois <andi@grois.info>
Date: Sat, 10 Mar 2018 00:21:15 +0100
Subject: Forgot symmetry on png export. Added now.

---
 BuddhaTest/src/Helpers.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'BuddhaTest')

diff --git a/BuddhaTest/src/Helpers.cpp b/BuddhaTest/src/Helpers.cpp
index 69dafa3..cf925be 100644
--- a/BuddhaTest/src/Helpers.cpp
+++ b/BuddhaTest/src/Helpers.cpp
@@ -166,6 +166,14 @@ namespace Helpers
             unsigned int col = i - 3*row*width;
             row_pointers[row][col] = (255*data[i] + (maxValue/2))/maxValue;
         }
+        for(int i = 0; i < height/2;++i)
+        {
+            for(int j = 0; j < width;++j)
+            {
+                png_byte average = (row_pointers[i][j] + row_pointers[height-i-1][j])/2;
+                row_pointers[i][j] = row_pointers[height-i-1][j] = average;
+            }
+        }
 
         //beware, this is going to be ugly C syntax, but well, libpng...
         FILE * fp = fopen("image.png", "wb");
-- 
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