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+
+//
+// Little Color Management System
+// Copyright (c) 1998-2010 Marti Maria Saguer
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the Software
+// is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
+// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+//---------------------------------------------------------------------------------
+//
+
+#ifndef __lcms_internal_H
+
+// Include plug-in foundation
+#ifndef __lcms_plugin_H
+# include "lcms2_plugin.h"
+#endif
+
+// ctype is part of C99 as per 7.1.2
+#include <ctype.h>
+
+// assert macro is part of C99 as per 7.2
+#include <assert.h>
+
+// Some needed constants
+#ifndef M_PI
+# define M_PI 3.14159265358979323846
+#endif
+
+#ifndef M_LOG10E
+# define M_LOG10E 0.434294481903251827651
+#endif
+
+// BorlandC 5.5 is broken on that
+#ifdef __BORLANDC__
+#define sinf(x) (float)sin((float)x)
+#define sqrtf(x) (float)sqrt((float)x)
+#endif
+
+
+// Alignment of ICC file format uses 4 bytes (cmsUInt32Number)
+#define _cmsSIZEOFLONGMINUS1 (sizeof(cmsUInt32Number)-1)
+#define _cmsALIGNLONG(x) (((x)+_cmsSIZEOFLONGMINUS1) & ~(_cmsSIZEOFLONGMINUS1))
+
+// Maximum encodeable values in floating point
+#define MAX_ENCODEABLE_XYZ (1.0 + 32767.0/32768.0)
+#define MIN_ENCODEABLE_ab2 (-128.0)
+#define MAX_ENCODEABLE_ab2 ((65535.0/256.0) - 128.0)
+#define MIN_ENCODEABLE_ab4 (-128.0)
+#define MAX_ENCODEABLE_ab4 (127.0)
+
+// Maximum of channels for internal pipeline evaluation
+#define MAX_STAGE_CHANNELS 128
+
+// Unused parameter warning supression
+#define cmsUNUSED_PARAMETER(x) ((void)x)
+
+// The specification for "inline" is section 6.7.4 of the C99 standard (ISO/IEC 9899:1999).
+// unfortunately VisualC++ does not conform that
+#if defined(_MSC_VER) || defined(__BORLANDC__)
+# define cmsINLINE __inline
+#else
+# define cmsINLINE static inline
+#endif
+
+// Other replacement functions
+#ifdef _MSC_VER
+# ifndef snprintf
+# define snprintf _snprintf
+# endif
+# ifndef vsnprintf
+# define vsnprintf _vsnprintf
+# endif
+#endif
+
+// Pthreads. In windows we use the native WIN32 API instead
+#ifdef CMS_DONT_USE_PTHREADS
+typedef int LCMS_RWLOCK_T;
+# define LCMS_CREATE_LOCK(x)
+# define LCMS_FREE_LOCK(x)
+# define LCMS_READ_LOCK(x)
+# define LCMS_WRITE_LOCK(x)
+# define LCMS_UNLOCK(x)
+#else
+#ifdef _CMS_IS_WINDOWS
+# ifndef WIN32_LEAN_AND_MEAN
+# define WIN32_LEAN_AND_MEAN
+# endif
+# include <windows.h>
+ typedef CRITICAL_SECTION LCMS_RWLOCK_T;
+# define LCMS_CREATE_LOCK(x) InitializeCriticalSection((x))
+# define LCMS_FREE_LOCK(x) DeleteCriticalSection((x))
+# define LCMS_READ_LOCK(x) EnterCriticalSection((x))
+# define LCMS_WRITE_LOCK(x) EnterCriticalSection((x))
+# define LCMS_UNLOCK(x) LeaveCriticalSection((x))
+#else
+# include <pthread.h>
+ typedef pthread_rwlock_t LCMS_RWLOCK_T;
+# define LCMS_CREATE_LOCK(x) pthread_rwlock_init((x), NULL)
+# define LCMS_FREE_LOCK(x) pthread_rwlock_destroy((x))
+# define LCMS_READ_LOCK(x) pthread_rwlock_rdlock((x))
+# define LCMS_WRITE_LOCK(x) pthread_rwlock_wrlock((x))
+# define LCMS_UNLOCK(x) pthread_rwlock_unlock((x))
+#endif
+#endif
+
+// A fast way to convert from/to 16 <-> 8 bits
+#define FROM_8_TO_16(rgb) (cmsUInt16Number) ((((cmsUInt16Number) (rgb)) << 8)|(rgb))
+#define FROM_16_TO_8(rgb) (cmsUInt8Number) ((((rgb) * 65281 + 8388608) >> 24) & 0xFF)
+
+// Code analysis is broken on asserts
+#ifdef _MSC_VER
+# if (_MSC_VER >= 1500)
+# define _cmsAssert(a) { assert((a)); __analysis_assume((a)); }
+# else
+# define _cmsAssert(a) assert((a))
+# endif
+#else
+# define _cmsAssert(a) assert((a))
+#endif
+
+//---------------------------------------------------------------------------------
+
+// Determinant lower than that are assumed zero (used on matrix invert)
+#define MATRIX_DET_TOLERANCE 0.0001
+
+//---------------------------------------------------------------------------------
+
+// Fixed point
+#define FIXED_TO_INT(x) ((x)>>16)
+#define FIXED_REST_TO_INT(x) ((x)&0xFFFFU)
+#define ROUND_FIXED_TO_INT(x) (((x)+0x8000)>>16)
+
+cmsINLINE cmsS15Fixed16Number _cmsToFixedDomain(int a) { return a + ((a + 0x7fff) / 0xffff); }
+cmsINLINE int _cmsFromFixedDomain(cmsS15Fixed16Number a) { return a - ((a + 0x7fff) >> 16); }
+
+// -----------------------------------------------------------------------------------------------------------
+
+// Fast floor conversion logic. Thanks to Sree Kotay and Stuart Nixon
+// note than this only works in the range ..-32767...+32767 because
+// mantissa is interpreted as 15.16 fixed point.
+// The union is to avoid pointer aliasing overoptimization.
+cmsINLINE int _cmsQuickFloor(cmsFloat64Number val)
+{
+#ifdef CMS_DONT_USE_FAST_FLOOR
+ return (int) floor(val);
+#else
+ const cmsFloat64Number _lcms_double2fixmagic = 68719476736.0 * 1.5; // 2^36 * 1.5, (52-16=36) uses limited precision to floor
+ union {
+ cmsFloat64Number val;
+ int halves[2];
+ } temp;
+
+ temp.val = val + _lcms_double2fixmagic;
+
+#ifdef CMS_USE_BIG_ENDIAN
+ return temp.halves[1] >> 16;
+#else
+ return temp.halves[0] >> 16;
+#endif
+#endif
+}
+
+// Fast floor restricted to 0..65535.0
+cmsINLINE cmsUInt16Number _cmsQuickFloorWord(cmsFloat64Number d)
+{
+ return (cmsUInt16Number) _cmsQuickFloor(d - 32767.0) + 32767U;
+}
+
+// Floor to word, taking care of saturation
+cmsINLINE cmsUInt16Number _cmsQuickSaturateWord(cmsFloat64Number d)
+{
+ d += 0.5;
+ if (d <= 0) return 0;
+ if (d >= 65535.0) return 0xffff;
+
+ return _cmsQuickFloorWord(d);
+}
+
+// Plug-In registering ---------------------------------------------------------------
+
+// Specialized function for plug-in memory management. No pairing free() since whole pool is freed at once.
+void* _cmsPluginMalloc(cmsUInt32Number size);
+
+// Memory management
+cmsBool _cmsRegisterMemHandlerPlugin(cmsPluginBase* Plugin);
+
+// Interpolation
+cmsBool _cmsRegisterInterpPlugin(cmsPluginBase* Plugin);
+
+// Parametric curves
+cmsBool _cmsRegisterParametricCurvesPlugin(cmsPluginBase* Plugin);
+
+// Formatters management
+cmsBool _cmsRegisterFormattersPlugin(cmsPluginBase* Plugin);
+
+// Tag type management
+cmsBool _cmsRegisterTagTypePlugin(cmsPluginBase* Plugin);
+
+// Tag management
+cmsBool _cmsRegisterTagPlugin(cmsPluginBase* Plugin);
+
+// Intent management
+cmsBool _cmsRegisterRenderingIntentPlugin(cmsPluginBase* Plugin);
+
+// Multi Process elements
+cmsBool _cmsRegisterMultiProcessElementPlugin(cmsPluginBase* Plugin);
+
+// Optimization
+cmsBool _cmsRegisterOptimizationPlugin(cmsPluginBase* Plugin);
+
+
+// ---------------------------------------------------------------------------------------------------------
+
+// Suballocators. Those are blocks of memory that is freed at the end on whole block.
+typedef struct _cmsSubAllocator_chunk_st {
+
+ cmsUInt8Number* Block;
+ cmsUInt32Number BlockSize;
+ cmsUInt32Number Used;
+
+ struct _cmsSubAllocator_chunk_st* next;
+
+} _cmsSubAllocator_chunk;
+
+
+typedef struct {
+
+ cmsContext ContextID;
+ _cmsSubAllocator_chunk* h;
+
+} _cmsSubAllocator;
+
+
+_cmsSubAllocator* _cmsCreateSubAlloc(cmsContext ContextID, cmsUInt32Number Initial);
+void _cmsSubAllocDestroy(_cmsSubAllocator* s);
+void* _cmsSubAlloc(_cmsSubAllocator* s, cmsUInt32Number size);
+
+// ----------------------------------------------------------------------------------
+
+// MLU internal representation
+typedef struct {
+
+ cmsUInt16Number Language;
+ cmsUInt16Number Country;
+
+ cmsUInt32Number StrW; // Offset to current unicode string
+ cmsUInt32Number Len; // Lenght in bytes
+
+} _cmsMLUentry;
+
+struct _cms_MLU_struct {
+
+ cmsContext ContextID;
+
+ // The directory
+ int AllocatedEntries;
+ int UsedEntries;
+ _cmsMLUentry* Entries; // Array of pointers to strings allocated in MemPool
+
+ // The Pool
+ cmsUInt32Number PoolSize; // The maximum allocated size
+ cmsUInt32Number PoolUsed; // The used size
+ void* MemPool; // Pointer to begin of memory pool
+};
+
+// Named color list internal representation
+typedef struct {
+
+ char Name[cmsMAX_PATH];
+ cmsUInt16Number PCS[3];
+ cmsUInt16Number DeviceColorant[MAXCHANNELS];
+
+} _cmsNAMEDCOLOR;
+
+struct _cms_NAMEDCOLORLIST_struct {
+
+ cmsUInt32Number nColors;
+ cmsUInt32Number Allocated;
+ cmsUInt32Number ColorantCount;
+
+ char Prefix[33]; // Prefix and suffix are defined to be 32 characters at most
+ char Suffix[33];
+
+ _cmsNAMEDCOLOR* List;
+
+ cmsContext ContextID;
+};
+
+
+// ----------------------------------------------------------------------------------
+
+// This is the internal struct holding profile details.
+
+// Maximum supported tags in a profile
+#define MAX_TABLE_TAG 100
+
+typedef struct _cms_iccprofile_struct {
+
+ // I/O handler
+ cmsIOHANDLER* IOhandler;
+
+ // The thread ID
+ cmsContext ContextID;
+
+ // Creation time
+ struct tm Created;
+
+ // Only most important items found in ICC profiles
+ cmsUInt32Number Version;
+ cmsProfileClassSignature DeviceClass;
+ cmsColorSpaceSignature ColorSpace;
+ cmsColorSpaceSignature PCS;
+ cmsUInt32Number RenderingIntent;
+ cmsUInt32Number flags;
+ cmsUInt32Number manufacturer, model;
+ cmsUInt64Number attributes;
+
+ cmsProfileID ProfileID;
+
+ // Dictionary
+ cmsUInt32Number TagCount;
+ cmsTagSignature TagNames[MAX_TABLE_TAG];
+ cmsTagSignature TagLinked[MAX_TABLE_TAG]; // The tag to wich is linked (0=none)
+ cmsUInt32Number TagSizes[MAX_TABLE_TAG]; // Size on disk
+ cmsUInt32Number TagOffsets[MAX_TABLE_TAG];
+ cmsBool TagSaveAsRaw[MAX_TABLE_TAG]; // True to write uncooked
+ void * TagPtrs[MAX_TABLE_TAG];
+ cmsTagTypeHandler* TagTypeHandlers[MAX_TABLE_TAG]; // Same structure may be serialized on different types
+ // depending on profile version, so we keep track of the // type handler for each tag in the list.
+ // Special
+ cmsBool IsWrite;
+
+} _cmsICCPROFILE;
+
+// IO helpers for profiles
+cmsBool _cmsReadHeader(_cmsICCPROFILE* Icc);
+cmsBool _cmsWriteHeader(_cmsICCPROFILE* Icc, cmsUInt32Number UsedSpace);
+int _cmsSearchTag(_cmsICCPROFILE* Icc, cmsTagSignature sig, cmsBool lFollowLinks);
+
+// Tag types
+cmsTagTypeHandler* _cmsGetTagTypeHandler(cmsTagTypeSignature sig);
+cmsTagTypeSignature _cmsGetTagTrueType(cmsHPROFILE hProfile, cmsTagSignature sig);
+cmsTagDescriptor* _cmsGetTagDescriptor(cmsTagSignature sig);
+
+// Error logging ---------------------------------------------------------------------------------------------------------
+
+void _cmsTagSignature2String(char String[5], cmsTagSignature sig);
+
+// Interpolation ---------------------------------------------------------------------------------------------------------
+
+cmsInterpParams* _cmsComputeInterpParams(cmsContext ContextID, int nSamples, int InputChan, int OutputChan, const void* Table, cmsUInt32Number dwFlags);
+cmsInterpParams* _cmsComputeInterpParamsEx(cmsContext ContextID, const cmsUInt32Number nSamples[], int InputChan, int OutputChan, const void* Table, cmsUInt32Number dwFlags);
+void _cmsFreeInterpParams(cmsInterpParams* p);
+
+// Curves ----------------------------------------------------------------------------------------------------------------
+
+// This struct holds information about a segment, plus a pointer to the function that implements the evaluation.
+// In the case of table-based, Eval pointer is set to NULL
+
+// The gamma function main structure
+struct _cms_curve_struct {
+
+ cmsInterpParams* InterpParams; // Private optimizations for interpolation
+
+ cmsUInt32Number nSegments; // Number of segments in the curve. Zero for a 16-bit based tables
+ cmsCurveSegment* Segments; // The segments
+ cmsInterpParams** SegInterp; // Array of private optimizations for interpolation in table-based segments
+
+ cmsParametricCurveEvaluator* Evals; // Evaluators (one per segment)
+
+ // 16 bit Table-based representation follows
+ cmsUInt32Number nEntries; // Number of table elements
+ cmsUInt16Number* Table16; // The table itself.
+};
+
+
+// Pipelines & Stages ---------------------------------------------------------------------------------------------
+
+// A single stage
+struct _cmsStage_struct {
+
+ cmsContext ContextID;
+
+ cmsStageSignature Type; // Identifies the stage
+ cmsStageSignature Implements; // Identifies the *function* of the stage (for optimizations)
+
+ cmsUInt32Number InputChannels; // Input channels -- for optimization purposes
+ cmsUInt32Number OutputChannels; // Output channels -- for optimization purposes
+
+ _cmsStageEvalFn EvalPtr; // Points to fn that evaluates the stage (always in floating point)
+ _cmsStageDupElemFn DupElemPtr; // Points to a fn that duplicates the *data* of the stage
+ _cmsStageFreeElemFn FreePtr; // Points to a fn that sets the *data* of the stage free
+
+ // A generic pointer to whatever memory needed by the stage
+ void* Data;
+
+ // Maintains linked list (used internally)
+ struct _cmsStage_struct* Next;
+};
+
+// Data kept in "Element" member of cmsStage
+
+// Curves
+typedef struct {
+ cmsUInt32Number nCurves;
+ cmsToneCurve** TheCurves;
+
+} _cmsStageToneCurvesData;
+
+// Matrix
+typedef struct {
+ cmsFloat64Number* Double; // floating point for the matrix
+ cmsFloat64Number* Offset; // The offset
+
+} _cmsStageMatrixData;
+
+// CLUT
+typedef struct {
+
+ union { // Can have only one of both representations at same time
+ cmsUInt16Number* T; // Points to the table 16 bits table
+ cmsFloat32Number* TFloat; // Points to the cmsFloat32Number table
+
+ } Tab;
+
+ cmsInterpParams* Params;
+ cmsUInt32Number nEntries;
+ cmsBool HasFloatValues;
+
+} _cmsStageCLutData;
+
+
+// Special Stages (cannot be saved)
+cmsStage* _cmsStageAllocLab2XYZ(cmsContext ContextID);
+cmsStage* _cmsStageAllocXYZ2Lab(cmsContext ContextID);
+cmsStage* _cmsStageAllocLabPrelin(cmsContext ContextID);
+cmsStage* _cmsStageAllocLabV2ToV4(cmsContext ContextID);
+cmsStage* _cmsStageAllocLabV2ToV4curves(cmsContext ContextID);
+cmsStage* _cmsStageAllocLabV4ToV2(cmsContext ContextID);
+cmsStage* _cmsStageAllocNamedColor(cmsNAMEDCOLORLIST* NamedColorList);
+cmsStage* _cmsStageAllocIdentityCurves(cmsContext ContextID, int nChannels);
+cmsStage* _cmsStageAllocIdentityCLut(cmsContext ContextID, int nChan);
+
+// For curve set only
+cmsToneCurve** _cmsStageGetPtrToCurveSet(const cmsStage* mpe);
+
+
+// Pipeline Evaluator (in floating point)
+typedef void (* _cmsPipelineEvalFloatFn)(const cmsFloat32Number In[],
+ cmsFloat32Number Out[],
+ const void* Data);
+
+struct _cmsPipeline_struct {
+
+ cmsStage* Elements; // Points to elements chain
+ cmsUInt32Number InputChannels, OutputChannels;
+
+ // Data & evaluators
+ void *Data;
+
+ _cmsOPTeval16Fn Eval16Fn;
+ _cmsPipelineEvalFloatFn EvalFloatFn;
+ _cmsOPTfreeDataFn FreeDataFn;
+ _cmsOPTdupDataFn DupDataFn;
+
+ cmsContext ContextID; // Environment
+
+ cmsBool SaveAs8Bits; // Implemntation-specific: save as 8 bits if possible
+};
+
+// LUT reading & creation -------------------------------------------------------------------------------------------
+
+// Read tags using low-level function, provide necessary glue code to adapt versions, etc. All those return a brand new copy
+// of the LUTS, since ownership of original is up to the profile. The user should free allocated resources.
+
+cmsPipeline* _cmsReadInputLUT(cmsHPROFILE hProfile, int Intent);
+cmsPipeline* _cmsReadOutputLUT(cmsHPROFILE hProfile, int Intent);
+cmsPipeline* _cmsReadDevicelinkLUT(cmsHPROFILE hProfile, int Intent);
+
+// Special values
+cmsBool _cmsReadMediaWhitePoint(cmsCIEXYZ* Dest, cmsHPROFILE hProfile);
+cmsBool _cmsReadCHAD(cmsMAT3* Dest, cmsHPROFILE hProfile);
+
+// Profile linker --------------------------------------------------------------------------------------------------
+
+cmsPipeline* _cmsLinkProfiles(cmsContext ContextID,
+ cmsUInt32Number nProfiles,
+ cmsUInt32Number TheIntents[],
+ cmsHPROFILE hProfiles[],
+ cmsBool BPC[],
+ cmsFloat64Number AdaptationStates[],
+ cmsUInt32Number dwFlags);
+
+// Sequence --------------------------------------------------------------------------------------------------------
+
+cmsSEQ* _cmsReadProfileSequence(cmsHPROFILE hProfile);
+cmsBool _cmsWriteProfileSequence(cmsHPROFILE hProfile, const cmsSEQ* seq);
+cmsSEQ* _cmsCompileProfileSequence(cmsContext ContextID, cmsUInt32Number nProfiles, cmsHPROFILE hProfiles[]);
+
+
+// LUT optimization ------------------------------------------------------------------------------------------------
+
+cmsUInt16Number _cmsQuantizeVal(cmsFloat64Number i, int MaxSamples);
+int _cmsReasonableGridpointsByColorspace(cmsColorSpaceSignature Colorspace, cmsUInt32Number dwFlags);
+
+cmsBool _cmsEndPointsBySpace(cmsColorSpaceSignature Space,
+ cmsUInt16Number **White,
+ cmsUInt16Number **Black,
+ cmsUInt32Number *nOutputs);
+
+cmsBool _cmsOptimizePipeline(cmsPipeline** Lut,
+ int Intent,
+ cmsUInt32Number* InputFormat,
+ cmsUInt32Number* OutputFormat,
+ cmsUInt32Number* dwFlags );
+
+
+// Hi level LUT building ----------------------------------------------------------------------------------------------
+
+cmsPipeline* _cmsCreateGamutCheckPipeline(cmsContext ContextID,
+ cmsHPROFILE hProfiles[],
+ cmsBool BPC[],
+ cmsUInt32Number Intents[],
+ cmsFloat64Number AdaptationStates[],
+ cmsUInt32Number nGamutPCSposition,
+ cmsHPROFILE hGamut);
+
+
+// Formatters ------------------------------------------------------------------------------------------------------------
+
+cmsBool _cmsFormatterIsFloat(cmsUInt32Number Type);
+cmsBool _cmsFormatterIs8bit(cmsUInt32Number Type);
+
+cmsFormatter _cmsGetFormatter(cmsUInt32Number Type, // Specific type, i.e. TYPE_RGB_8
+ cmsFormatterDirection Dir,
+ cmsUInt32Number dwFlags);
+
+
+// Transform logic ------------------------------------------------------------------------------------------------------
+
+struct _cmstransform_struct;
+
+// Full xform
+typedef void (* _cmsTransformFn)(struct _cmstransform_struct *Transform,
+ const void* InputBuffer,
+ void* OutputBuffer, cmsUInt32Number Size);
+
+typedef struct {
+
+ cmsUInt32Number InputFormat, OutputFormat; // Keep formats for further reference
+ cmsUInt32Number StrideIn, StrideOut; // Planar support
+
+} cmsFormatterInfo;
+
+// Transformation
+typedef struct _cmstransform_struct {
+
+ cmsUInt32Number InputFormat, OutputFormat; // Keep formats for further reference
+ cmsUInt32Number StrideIn, StrideOut; // Planar support
+
+ // Points to transform code
+ _cmsTransformFn xform;
+
+ // Formatters, cannot be embedded into LUT because cache
+ cmsFormatter16 FromInput;
+ cmsFormatter16 ToOutput;
+
+ cmsFormatterFloat FromInputFloat;
+ cmsFormatterFloat ToOutputFloat;
+
+ // 1-pixel cache (16 bits only)
+ cmsUInt16Number CacheIn[MAXCHANNELS];
+ cmsUInt16Number CacheOut[MAXCHANNELS];
+
+ // Semaphor
+ LCMS_RWLOCK_T rwlock;
+
+ // A MPE LUT holding the full (optimized) transform
+ cmsPipeline* Lut;
+
+ // A MPE LUT holding the gamut check. It goes from the input space to bilevel
+ cmsPipeline* GamutCheck;
+
+ // Colorant tables
+ cmsNAMEDCOLORLIST* InputColorant; // Input Colorant table
+ cmsNAMEDCOLORLIST* OutputColorant; // Colorant table (for n chans > CMYK)
+
+ // Informational only
+ cmsColorSpaceSignature EntryColorSpace;
+ cmsColorSpaceSignature ExitColorSpace;
+
+ // Profiles used to create the transform
+ cmsSEQ* Sequence;
+
+ cmsUInt32Number dwOriginalFlags;
+ cmsFloat64Number AdaptationState;
+
+ // The intent of this transform. That is usually the last intent in the profilechain, but may differ
+ int RenderingIntent;
+
+ // An id that uniquely identifies the running thread. Mostly for error handler.
+ cmsContext ContextID;
+
+} _cmsTRANSFORM;
+
+// --------------------------------------------------------------------------------------------------
+
+cmsHTRANSFORM _cmsChain2Lab(cmsContext ContextID,
+ cmsUInt32Number nProfiles,
+ cmsUInt32Number InputFormat,
+ cmsUInt32Number OutputFormat,
+ const cmsUInt32Number Intents[],
+ const cmsHPROFILE hProfiles[],
+ const cmsBool BPC[],
+ const cmsFloat64Number AdaptationStates[],
+ cmsUInt32Number dwFlags);
+
+
+cmsToneCurve* _cmsBuildKToneCurve(cmsContext ContextID,
+ cmsUInt32Number nPoints,
+ cmsUInt32Number nProfiles,
+ const cmsUInt32Number Intents[],
+ const cmsHPROFILE hProfiles[],
+ const cmsBool BPC[],
+ const cmsFloat64Number AdaptationStates[],
+ cmsUInt32Number dwFlags);
+
+cmsBool _cmsAdaptationMatrix(cmsMAT3* r, const cmsMAT3* ConeMatrix, const cmsCIEXYZ* FromIll, const cmsCIEXYZ* ToIll);
+
+cmsBool _cmsBuildRGB2XYZtransferMatrix(cmsMAT3* r, const cmsCIExyY* WhitePoint, const cmsCIExyYTRIPLE* Primaries);
+
+
+#define __lcms_internal_H
+#endif
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