From 7f385a33f356b96a2b98e8382080c64524ac8785 Mon Sep 17 00:00:00 2001
From: Peter Rekdal Sunde <peter.sunde@gmail.com>
Date: Thu, 9 Jul 2015 18:58:21 +0200
Subject: [PATCH] Bugfix: Pin memory while copying bitmap raw pointer.

---
 src/bindings/csharp/openalpr-net/openalpr-net.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/bindings/csharp/openalpr-net/openalpr-net.cpp b/src/bindings/csharp/openalpr-net/openalpr-net.cpp
index bd0ed82..9884668 100644
--- a/src/bindings/csharp/openalpr-net/openalpr-net.cpp
+++ b/src/bindings/csharp/openalpr-net/openalpr-net.cpp
@@ -93,7 +93,10 @@ namespace openalprnet {
 				bitmap->PixelFormat
 			);
 
-			cv::Mat dstMat(cv::Size(bitmap->Width, bitmap->Height), CV_8UC(channels), reinterpret_cast<char*>(bitmapData->Scan0.ToPointer()));
+			char *src = reinterpret_cast<char*>(bitmapData->Scan0.ToPointer());
+			pin_ptr<char> pin(&src[0]);
+
+			cv::Mat dstMat(cv::Size(bitmap->Width, bitmap->Height), CV_8UC(channels), pin);
 
 			bitmap->UnlockBits(bitmapData);
 
@@ -147,7 +150,10 @@ namespace openalprnet {
 				bitmap->PixelFormat
 			);
 
-			::memcpy(bitmapData->Scan0.ToPointer(), data, totalSize);
+			char *src = reinterpret_cast<char*>(bitmapData->Scan0.ToPointer());
+			pin_ptr<char> pin(&src[0]);
+
+			::memcpy(pin, data, totalSize);
 
 			bitmap->UnlockBits(bitmapData);