1 files changed, 138 insertions, 0 deletions
diff --git a/gpr/source/lib/dng_sdk/dng_tone_curve.cpp b/gpr/source/lib/dng_sdk/dng_tone_curve.cpp
new file mode 100644
index 0000000..466ca95
--- /dev/null
+++ b/gpr/source/lib/dng_sdk/dng_tone_curve.cpp
@@ -0,0 +1,138 @@
+/*****************************************************************************/
+// Copyright 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_tone_curve.cpp#1 $ */ 
+/* $DateTime: 2012/05/30 13:28:51 $ */
+/* $Change: 832332 $ */
+/* $Author: tknoll $ */
+
+/*****************************************************************************/
+
+#include "dng_tone_curve.h"
+
+#include "dng_assertions.h"
+#include "dng_spline.h"
+#include "dng_utils.h"
+
+/******************************************************************************/
+
+dng_tone_curve::dng_tone_curve ()
+
+	:	fCoord ()
+
+	{
+	
+	SetNull ();
+	
+	}
+
+/******************************************************************************/
+
+bool dng_tone_curve::operator== (const dng_tone_curve &curve) const
+	{
+
+	return fCoord == curve.fCoord;
+
+	}
+		
+/******************************************************************************/
+
+void dng_tone_curve::SetNull ()
+	{
+	
+	fCoord.resize (2);
+	
+	fCoord [0].h = 0.0;
+	fCoord [0].v = 0.0;
+	
+	fCoord [1].h = 1.0;
+	fCoord [1].v = 1.0;
+	
+	}
+		
+/******************************************************************************/
+
+bool dng_tone_curve::IsNull () const
+	{
+	
+	dng_tone_curve temp;
+	
+	return (*this == temp);
+	
+	}
+		
+/******************************************************************************/
+
+void dng_tone_curve::SetInvalid ()
+	{
+	
+	fCoord.clear ();
+	
+	}
+		
+/******************************************************************************/
+
+bool dng_tone_curve::IsValid () const
+	{
+	
+	if (fCoord.size () < 2)
+		{
+		
+		return false;
+		
+		}
+		
+	for (uint32 j = 0; j < fCoord.size (); j++)
+		{
+		
+		if (fCoord [j] . h < 0.0 || fCoord [j] . h > 1.0 ||
+			fCoord [j] . v < 0.0 || fCoord [j] . v > 1.0)
+			{
+			
+			return false;
+			
+			}
+			
+		if (j > 0)
+			{
+			
+			if (fCoord [j] . h <= fCoord [j - 1] . h)
+				{
+				
+				return false;
+				
+				}
+				
+			}
+			
+		}
+		
+	return true;
+		
+	}
+		
+/******************************************************************************/
+
+void dng_tone_curve::Solve (dng_spline_solver &solver) const
+	{
+	
+	solver.Reset ();
+	
+	for (uint32 index = 0; index < fCoord.size (); index++)
+		{
+		
+		solver.Add (fCoord [index].h,
+					fCoord [index].v);
+		
+		}
+		
+	solver.Solve ();
+	
+	}
+		
+/*****************************************************************************/