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diff --git a/gpr/source/lib/dng_sdk/dng_sdk_limits.h b/gpr/source/lib/dng_sdk/dng_sdk_limits.h
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+/*****************************************************************************/
+// Copyright 2006-2007 Adobe Systems Incorporated
+// All Rights Reserved.
+//
+// NOTICE:  Adobe permits you to use, modify, and distribute this file in
+// accordance with the terms of the Adobe license agreement accompanying it.
+/*****************************************************************************/
+
+/* $Id: //mondo/dng_sdk_1_4/dng_sdk/source/dng_sdk_limits.h#1 $ */ 
+/* $DateTime: 2012/05/30 13:28:51 $ */
+/* $Change: 832332 $ */
+/* $Author: tknoll $ */
+
+/** \file
+ * Collection of constants detailing maximum values used in processing in the DNG SDK.
+ */
+
+/*****************************************************************************/
+
+#ifndef __dng_sdk_limits__
+#define __dng_sdk_limits__
+
+/*****************************************************************************/
+
+#include "dng_types.h"
+
+/*****************************************************************************/
+
+/// The maximum number of previews (in addition to the main IFD's thumbnail)
+/// that we support embedded in a DNG.
+
+const uint32 kMaxDNGPreviews = 20;
+
+/// The maximum number of SubIFDs that will be parsed.
+
+const uint32 kMaxSubIFDs = kMaxDNGPreviews + 1;
+
+/// The maximum number of chained IFDs that will be parsed.
+
+const uint32 kMaxChainedIFDs = 10;
+
+/// The maximum number of samples per pixel.
+
+const uint32 kMaxSamplesPerPixel = 4;
+
+/// Maximum number of color planes.
+
+const uint32 kMaxColorPlanes = kMaxSamplesPerPixel;
+
+/// The maximum size of a CFA repeating pattern.
+
+const uint32 kMaxCFAPattern = 8;
+
+/// The maximum size of a black level repeating pattern.
+
+const uint32 kMaxBlackPattern = 8;
+
+/// The maximum number of masked area rectangles.
+
+const uint32 kMaxMaskedAreas = 4;
+
+/// The maximum image size supported (pixels per side).
+
+const uint32 kMaxImageSide = 65000;
+
+/// Maximum number of MP threads for dng_area_task operations.
+
+#if qDNG64Bit
+const uint32 kMaxMPThreads = 32;
+#else
+const uint32 kMaxMPThreads = 8;
+#endif
+
+/*****************************************************************************/
+
+#endif
+	
+/*****************************************************************************/