initial commit

2019-11-05 08:41:42 +01:00
parent 4ddadbb600
commit 9a100a4f55
227 changed files with 3 additions and 136980 deletions
@@ -1,196 +0,0 @@
-/*****************************************************************************/
-// Copyright 2006-2019 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.
-/*****************************************************************************/
-
-#include "dng_1d_table.h"
-
-#include "dng_1d_function.h"
-#include "dng_assertions.h"
-#include "dng_memory.h"
-#include "dng_utils.h"
-
-/*****************************************************************************/
-
-dng_1d_table::dng_1d_table (uint32 count)
-
-	:	fBuffer		()
-	,	fTable		(NULL)
-	,	fTableCount (count)
-	
-	{
-
-	DNG_REQUIRE (count >= kMinTableSize,
-				 "count must be at least kMinTableSize");
-
-	DNG_REQUIRE ((count & (count - 1)) == 0,
-				 "count must be power of 2");
-	
-	}
-
-/*****************************************************************************/
-
-dng_1d_table::~dng_1d_table ()
-	{
-	
-	}
-	
-/*****************************************************************************/
-
-void dng_1d_table::SubDivide (const dng_1d_function &function,
-							  uint32 lower,
-							  uint32 upper,
-							  real32 maxDelta)
-	{
-	
-	uint32 range = upper - lower;
-		
-	bool subDivide = (range > (fTableCount >> 8));
-	
-	if (!subDivide)
-		{
-		
-		real32 delta = Abs_real32 (fTable [upper] - 
-								   fTable [lower]);
-								   
-		if (delta > maxDelta)
-			{
-			
-			subDivide = true;
-			
-			}
-		
-		}
-		
-	if (subDivide)
-		{
-		
-		uint32 middle = (lower + upper) >> 1;
-		
-		fTable [middle] = (real32) function.Evaluate (middle * (1.0 / (real64) fTableCount));
-		
-		if (range > 2)
-			{
-			
-			SubDivide (function, lower, middle, maxDelta);
-			
-			SubDivide (function, middle, upper, maxDelta);
-			
-			}
-	
-		}
-		
-	else
-		{
-		
-		real64 y0 = fTable [lower];
-		real64 y1 = fTable [upper];
-		
-		real64 delta = (y1 - y0) / (real64) range;
-		
-		for (uint32 j = lower + 1; j < upper; j++)
-			{
-			
-			y0 += delta;
-				
-			fTable [j] = (real32) y0;
-						
-			}
-		
-		}
-		
-	}
-	
-/*****************************************************************************/
-
-void dng_1d_table::Initialize (dng_memory_allocator &allocator,
-							   const dng_1d_function &function,
-							   bool subSample)
-	{
-	
-	fBuffer.Reset (allocator.Allocate ((fTableCount + 2) * sizeof (real32)));
-	
-	fTable = fBuffer->Buffer_real32 ();
-	
-	if (subSample)
-		{
-		
-		fTable [0		   ] = (real32) function.Evaluate (0.0);
-		fTable [fTableCount] = (real32) function.Evaluate (1.0);
-		
-		real32 maxDelta = Max_real32 (Abs_real32 (fTable [fTableCount] -
-												  fTable [0			 ]), 1.0f) *
-						  (1.0f / 256.0f);
-							   
-		SubDivide (function,
-				   0,
-				   fTableCount,
-				   maxDelta);
-		
-		}
-		
-	else
-		{
-			
-		for (uint32 j = 0; j <= fTableCount; j++)
-			{
-			
-			real64 x = j * (1.0 / (real64) fTableCount);
-			
-			real64 y = function.Evaluate (x);
-			
-			fTable [j] = (real32) y;
-			
-			}
-			
-		}
-		
-	fTable [fTableCount + 1] = fTable [fTableCount];
-	
-	}
-
-/*****************************************************************************/
-
-void dng_1d_table::Expand16 (uint16 *table16) const
-	{
-	
-	real64 step = (real64) fTableCount / 65535.0;
-	
-	real64 y0 = fTable [0];
-	real64 y1 = fTable [1];
-	
-	real64 base  = y0 * 65535.0 + 0.5;
-	real64 slope = (y1 - y0) * 65535.0;
-	
-	uint32 index = 1;
-	real64 fract = 0.0;
-	
-	for (uint32 j = 0; j < 0x10000; j++)
-		{
-		
-		table16 [j] = (uint16) (base + slope * fract);
-		
-		fract += step;
-		
-		if (fract > 1.0)
-			{
-			
-			index += 1;
-			fract -= 1.0;
-			
-			y0 = y1;
-			y1 = fTable [index];
-			
-			base  = y0 * 65535.0 + 0.5;
-			slope = (y1 - y0) * 65535.0;
-			
-			}
-		
-		}
-	
-	}
-
-/*****************************************************************************/