1 files changed, 135 insertions, 0 deletions
diff --git a/gpr/source/lib/dng_sdk/dng_file_stream.cpp b/gpr/source/lib/dng_sdk/dng_file_stream.cpp
new file mode 100644
index 0000000..4a8a79f
--- /dev/null
+++ b/gpr/source/lib/dng_sdk/dng_file_stream.cpp
@@ -0,0 +1,135 @@
+/*****************************************************************************/
+// 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_file_stream.cpp#2 $ */ 
+/* $DateTime: 2012/06/01 07:28:57 $ */
+/* $Change: 832715 $ */
+/* $Author: tknoll $ */
+
+/*****************************************************************************/
+
+#include "dng_file_stream.h"
+
+#include "dng_exceptions.h"
+
+/*****************************************************************************/
+
+dng_file_stream::dng_file_stream (const char *filename,
+								  bool output,
+								  uint32 bufferSize)
+
+	:	dng_stream ((dng_abort_sniffer *) NULL,
+					bufferSize,
+					0)
+	
+	,	fFile (NULL)
+	
+	{
+	
+	fFile = fopen (filename, output ? "wb" : "rb");
+	
+	if (!fFile)
+		{
+		
+		#if qDNGValidate
+
+		ReportError ("Unable to open file",
+					 filename);
+					 
+		ThrowSilentError ();
+		
+		#else
+		
+		ThrowOpenFile ();
+		
+		#endif
+
+		}
+	
+	}
+		
+/*****************************************************************************/
+
+dng_file_stream::~dng_file_stream ()
+	{
+	
+	if (fFile)
+		{
+		fclose (fFile);
+		fFile = NULL;
+		}
+	
+	}
+		
+/*****************************************************************************/
+
+uint64 dng_file_stream::DoGetLength ()
+	{
+	
+	if (fseek (fFile, 0, SEEK_END) != 0)
+		{
+		
+		ThrowReadFile ();
+
+		}
+	
+	return (uint64) ftell (fFile);
+	
+	}
+		
+/*****************************************************************************/
+
+void dng_file_stream::DoRead (void *data,
+							  uint32 count,
+							  uint64 offset)
+	{
+	
+	if (fseek (fFile, (long) offset, SEEK_SET) != 0)
+		{
+		
+		ThrowReadFile ();
+
+		}
+	
+	uint32 bytesRead = (uint32) fread (data, 1, count, fFile);
+	
+	if (bytesRead != count)
+		{
+		
+		ThrowReadFile ();
+
+		}
+	
+	}
+		
+/*****************************************************************************/
+
+void dng_file_stream::DoWrite (const void *data,
+							   uint32 count,
+							   uint64 offset)
+	{
+	
+	if (fseek (fFile, (uint32) offset, SEEK_SET) != 0)
+		{
+		
+		ThrowWriteFile ();
+
+		}
+	
+	uint32 bytesWritten = (uint32) fwrite (data, 1, count, fFile);
+	
+	if (bytesWritten != count)
+		{
+		
+		ThrowWriteFile ();
+
+		}
+	
+	}
+		
+/*****************************************************************************/