From a0168a6709b87ee01e233aff6428a3602bb772e7 Mon Sep 17 00:00:00 2001
From: James Jackson-South <james_south@hotmail.com>
Date: Sun, 22 May 2016 13:38:22 +1000
Subject: [PATCH] Ensure nothing is preserved if previously allocated

Former-commit-id: d83f70acf8d55f37023f84aa46b5918db3b44477
Former-commit-id: aa82f2434e299dfdc5da233d2134e40f5cba563e
Former-commit-id: 501d485d858549d12cd406fe855e18a9a00c3282
---
 src/ImageProcessorCore/ImageBase.cs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/ImageProcessorCore/ImageBase.cs b/src/ImageProcessorCore/ImageBase.cs
index 4d4541645..dd6d59c59 100644
--- a/src/ImageProcessorCore/ImageBase.cs
+++ b/src/ImageProcessorCore/ImageBase.cs
@@ -191,6 +191,14 @@ namespace ImageProcessorCore
             this.Width = width;
             this.Height = height;
 
+            // Ensure nothing is preserved if previously allocated.
+            if (this.pixelsHandle.IsAllocated)
+            {
+                this.pixelsArray = null;
+                this.pixelsHandle.Free();
+                this.pixelsBase = null;
+            }
+
             this.pixelsArray = pixels;
             this.pixelsHandle = GCHandle.Alloc(this.pixelsArray, GCHandleType.Pinned);
             this.pixelsBase = (float*)this.pixelsHandle.AddrOfPinnedObject().ToPointer();