From 32d0580228e3753f80bfee41725e7b32becda77b Mon Sep 17 00:00:00 2001
From: Luke Page <luke.a.page@gmail.com>
Date: Fri, 16 Feb 2018 10:03:37 +0100
Subject: [PATCH] Fix filter none. Fixes #92

---
 lib/filter-pack.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/filter-pack.js b/lib/filter-pack.js
index 24a7c45..d0b1363 100644
--- a/lib/filter-pack.js
+++ b/lib/filter-pack.js
@@ -3,7 +3,10 @@
 var paethPredictor = require('./paeth-predictor');
 
 function filterNone(pxData, pxPos, byteWidth, rawData, rawPos) {
-  pxData.copy(rawData, rawPos, pxPos, pxPos + byteWidth);
+
+  for (var x = 0; x < byteWidth; x++) {    
+    rawData[rawPos + x] = pxData[pxPos + x];
+  }
 }
 
 function filterSumNone(pxData, pxPos, byteWidth) {