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//---------------------------------------------------------------------------------
//
// Little Color Management System
// Copyright (c) 1998-2021 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.
//
//---------------------------------------------------------------------------------
//
// Version 2.12
//
#ifndef _lcms2_H
// ********** Configuration toggles ****************************************
// Uncomment this one if you are using big endian machines
// #define CMS_USE_BIG_ENDIAN 1
// Uncomment this one if your compiler/machine does NOT support the
// "long long" type.
// #define CMS_DONT_USE_INT64 1
// Uncomment this if your compiler doesn't work with fast floor function
// #define CMS_DONT_USE_FAST_FLOOR 1
// Uncomment this line if you want lcms to use the black point tag in profile,
// if commented, lcms will compute the black point by its own.
// It is safer to leave it commented out
// #define CMS_USE_PROFILE_BLACK_POINT_TAG 1
// Uncomment this line if you are compiling as C++ and want a C++ API
// #define CMS_USE_CPP_API
// Uncomment this line if you need strict CGATS syntax. Makes CGATS files to
// require "KEYWORD" on undefined identifiers, keep it commented out unless needed
// #define CMS_STRICT_CGATS 1
// Uncomment to get rid of the tables for "half" float support
// #define CMS_NO_HALF_SUPPORT 1
// Uncomment to get rid of pthreads/windows dependency
// #define CMS_NO_PTHREADS 1
// Uncomment this for special windows mutex initialization (see lcms2_internal.h)
// #define CMS_RELY_ON_WINDOWS_STATIC_MUTEX_INIT
// Uncomment this to remove the "register" storage class
// #define CMS_NO_REGISTER_KEYWORD 1
// ********** End of configuration toggles ******************************
// Needed for streams
#include <stdio.h>
// Needed for portability (C99 per 7.1.2)
#include <limits.h>
#include <time.h>
#include <stddef.h>
#ifndef CMS_USE_CPP_API
# ifdef __cplusplus
extern "C" {
# endif
#endif
// Version/release
#define LCMS_VERSION 2120
// I will give the chance of redefining basic types for compilers that are not fully C99 compliant
#ifndef CMS_BASIC_TYPES_ALREADY_DEFINED
// Base types
typedef unsigned char cmsUInt8Number; // That is guaranteed by the C99 spec
typedef signed char cmsInt8Number; // That is guaranteed by the C99 spec
#if CHAR_BIT != 8
# error "Unable to find 8 bit type, unsupported compiler"
#endif
// IEEE float storage numbers
typedef float cmsFloat32Number;
typedef double cmsFloat64Number;
// 16-bit base types
#if (USHRT_MAX == 65535U)
typedef unsigned short cmsUInt16Number;
#elif (UINT_MAX == 65535U)
typedef unsigned int cmsUInt16Number;
#else
# error "Unable to find 16 bits unsigned type, unsupported compiler"
#endif
#if (SHRT_MAX == 32767)
typedef short cmsInt16Number;
#elif (INT_MAX == 32767)
typedef int cmsInt16Number;
#else
# error "Unable to find 16 bits signed type, unsupported compiler"
#endif
// 32-bit base type
#if (UINT_MAX == 4294967295U)
typedef unsigned int cmsUInt32Number;
#elif (ULONG_MAX == 4294967295U)
typedef unsigned long cmsUInt32Number;
#else
# error "Unable to find 32 bit unsigned type, unsupported compiler"
#endif
#if (INT_MAX == +2147483647)
typedef int cmsInt32Number;
#elif (LONG_MAX == +2147483647)
typedef long cmsInt32Number;
#else
# error "Unable to find 32 bit signed type, unsupported compiler"
#endif
// 64-bit base types
#ifndef CMS_DONT_USE_INT64
# if (ULONG_MAX == 18446744073709551615U)
typedef unsigned long cmsUInt64Number;
# elif (ULLONG_MAX == 18446744073709551615U)
typedef unsigned long long cmsUInt64Number;
# else
# define CMS_DONT_USE_INT64 1
# endif
# if (LONG_MAX == +9223372036854775807)
typedef long cmsInt64Number;
# elif (LLONG_MAX == +9223372036854775807)
typedef long long cmsInt64Number;
# else
# define CMS_DONT_USE_INT64 1
# endif
#endif
#endif
// Handle "register" keyword
#if defined(CMS_NO_REGISTER_KEYWORD) && !defined(CMS_DLL) && !defined(CMS_DLL_BUILD)
# define CMSREGISTER
#else
# define CMSREGISTER register
#endif
// In the case 64 bit numbers are not supported by the compiler
#ifdef CMS_DONT_USE_INT64
typedef cmsUInt32Number cmsUInt64Number[2];
typedef cmsInt32Number cmsInt64Number[2];
#endif
// Derivative types
typedef cmsUInt32Number cmsSignature;
typedef cmsUInt16Number cmsU8Fixed8Number;
typedef cmsInt32Number cmsS15Fixed16Number;
typedef cmsUInt32Number cmsU16Fixed16Number;
// Boolean type, which will be using the native integer
typedef int cmsBool;
// Try to detect windows
#if defined (_WIN32) || defined(_WIN64) || defined(WIN32) || defined(_WIN32_)
# define CMS_IS_WINDOWS_ 1
#endif
#ifdef _MSC_VER
# define CMS_IS_WINDOWS_ 1
#endif
#ifdef __BORLANDC__
# define CMS_IS_WINDOWS_ 1
#endif
// Try to detect big endian platforms. This list can be endless, so primarily rely on the configure script
// on Unix-like systems, and allow it to be set on the compiler command line using
// -DCMS_USE_BIG_ENDIAN or something similar
#ifdef CMS_USE_BIG_ENDIAN // set at compiler command line takes overall precedence
# if CMS_USE_BIG_ENDIAN == 0
# undef CMS_USE_BIG_ENDIAN
# endif
#else // CMS_USE_BIG_ENDIAN
# ifdef WORDS_BIGENDIAN // set by configure (or explicitly on compiler command line)
# define CMS_USE_BIG_ENDIAN 1
# else // WORDS_BIGENDIAN
// Fall back to platform/compiler specific tests
# if defined(__sgi__) || defined(__sgi) || defined(sparc)
# define CMS_USE_BIG_ENDIAN 1
# endif
# if defined(__s390__) || defined(__s390x__)
# define CMS_USE_BIG_ENDIAN 1
# endif
# ifdef macintosh
# ifdef __BIG_ENDIAN__
# define CMS_USE_BIG_ENDIAN 1
# endif
# ifdef __LITTLE_ENDIAN__
# undef CMS_USE_BIG_ENDIAN
# endif
# endif
# endif // WORDS_BIGENDIAN
# if defined(_HOST_BIG_ENDIAN) || defined(__BIG_ENDIAN__)
# define CMS_USE_BIG_ENDIAN 1
# endif
#endif // CMS_USE_BIG_ENDIAN
// Calling convention -- this is hardly platform and compiler dependent
#ifdef CMS_IS_WINDOWS_
# if defined(CMS_DLL) || defined(CMS_DLL_BUILD)
# ifdef __BORLANDC__
# define CMSEXPORT __stdcall _export
# define CMSAPI
# else
# define CMSEXPORT __stdcall
# ifdef CMS_DLL_BUILD
# define CMSAPI __declspec(dllexport)
# else
# define CMSAPI __declspec(dllimport)
# endif
# endif
# else
# define CMSEXPORT
# define CMSAPI
# endif
#else // not Windows
# ifdef HAVE_FUNC_ATTRIBUTE_VISIBILITY
# define CMSEXPORT
# define CMSAPI __attribute__((visibility("default")))
# else
# define CMSEXPORT
# define CMSAPI
# endif
#endif // CMS_IS_WINDOWS_
#ifdef HasTHREADS
# if HasTHREADS == 1
# undef CMS_NO_PTHREADS
# else
# define CMS_NO_PTHREADS 1
# endif
#endif
// Some common definitions
#define cmsMAX_PATH 256
#ifndef FALSE
# define FALSE 0
#endif
#ifndef TRUE
# define TRUE 1
#endif
// D50 XYZ normalized to Y=1.0
#define cmsD50X 0.9642
#define cmsD50Y 1.0
#define cmsD50Z 0.8249
// V4 perceptual black
#define cmsPERCEPTUAL_BLACK_X 0.00336
#define cmsPERCEPTUAL_BLACK_Y 0.0034731
#define cmsPERCEPTUAL_BLACK_Z 0.00287
// Definitions in ICC spec
#define cmsMagicNumber 0x61637370 // 'acsp'
#define lcmsSignature 0x6c636d73 // 'lcms'
// Base ICC type definitions
typedef enum {
cmsSigChromaticityType = 0x6368726D, // 'chrm'
cmsSigColorantOrderType = 0x636C726F, // 'clro'
cmsSigColorantTableType = 0x636C7274, // 'clrt'
cmsSigCrdInfoType = 0x63726469, // 'crdi'
cmsSigCurveType = 0x63757276, // 'curv'
cmsSigDataType = 0x64617461, // 'data'
cmsSigDictType = 0x64696374, // 'dict'
cmsSigDateTimeType = 0x6474696D, // 'dtim'
cmsSigDeviceSettingsType = 0x64657673, // 'devs'
cmsSigLut16Type = 0x6d667432, // 'mft2'
cmsSigLut8Type = 0x6d667431, // 'mft1'
cmsSigLutAtoBType = 0x6d414220, // 'mAB '
cmsSigLutBtoAType = 0x6d424120, // 'mBA '
cmsSigMeasurementType = 0x6D656173, // 'meas'
cmsSigMultiLocalizedUnicodeType = 0x6D6C7563, // 'mluc'
cmsSigMultiProcessElementType = 0x6D706574, // 'mpet'
cmsSigNamedColorType = 0x6E636f6C, // 'ncol' -- DEPRECATED!
cmsSigNamedColor2Type = 0x6E636C32, // 'ncl2'
cmsSigParametricCurveType = 0x70617261, // 'para'
cmsSigProfileSequenceDescType = 0x70736571, // 'pseq'
cmsSigProfileSequenceIdType = 0x70736964, // 'psid'
cmsSigResponseCurveSet16Type = 0x72637332, // 'rcs2'
cmsSigS15Fixed16ArrayType = 0x73663332, // 'sf32'
cmsSigScreeningType = 0x7363726E, // 'scrn'
cmsSigSignatureType = 0x73696720, // 'sig '
cmsSigTextType = 0x74657874, // 'text'
cmsSigTextDescriptionType = 0x64657363, // 'desc'
cmsSigU16Fixed16ArrayType = 0x75663332, // 'uf32'
cmsSigUcrBgType = 0x62666420, // 'bfd '
cmsSigUInt16ArrayType = 0x75693136, // 'ui16'
cmsSigUInt32ArrayType = 0x75693332, // 'ui32'
cmsSigUInt64ArrayType = 0x75693634, // 'ui64'
cmsSigUInt8ArrayType = 0x75693038, // 'ui08'
cmsSigVcgtType = 0x76636774, // 'vcgt'
cmsSigViewingConditionsType = 0x76696577, // 'view'
cmsSigXYZType = 0x58595A20 // 'XYZ '
} cmsTagTypeSignature;
// Base ICC tag definitions
typedef enum {
cmsSigAToB0Tag = 0x41324230, // 'A2B0'
cmsSigAToB1Tag = 0x41324231, // 'A2B1'
cmsSigAToB2Tag = 0x41324232, // 'A2B2'
cmsSigBlueColorantTag = 0x6258595A, // 'bXYZ'
cmsSigBlueMatrixColumnTag = 0x6258595A, // 'bXYZ'
cmsSigBlueTRCTag = 0x62545243, // 'bTRC'
cmsSigBToA0Tag = 0x42324130, // 'B2A0'
cmsSigBToA1Tag = 0x42324131, // 'B2A1'
cmsSigBToA2Tag = 0x42324132, // 'B2A2'
cmsSigCalibrationDateTimeTag = 0x63616C74, // 'calt'
cmsSigCharTargetTag = 0x74617267, // 'targ'
cmsSigChromaticAdaptationTag = 0x63686164, // 'chad'
cmsSigChromaticityTag = 0x6368726D, // 'chrm'
cmsSigColorantOrderTag = 0x636C726F, // 'clro'
cmsSigColorantTableTag = 0x636C7274, // 'clrt'
cmsSigColorantTableOutTag = 0x636C6F74, // 'clot'
cmsSigColorimetricIntentImageStateTag = 0x63696973, // 'ciis'
cmsSigCopyrightTag = 0x63707274, // 'cprt'
cmsSigCrdInfoTag = 0x63726469, // 'crdi'
cmsSigDataTag = 0x64617461, // 'data'
cmsSigDateTimeTag = 0x6474696D, // 'dtim'
cmsSigDeviceMfgDescTag = 0x646D6E64, // 'dmnd'
cmsSigDeviceModelDescTag = 0x646D6464, // 'dmdd'
cmsSigDeviceSettingsTag = 0x64657673, // 'devs'
cmsSigDToB0Tag = 0x44324230, // 'D2B0'
cmsSigDToB1Tag = 0x44324231, // 'D2B1'
cmsSigDToB2Tag = 0x44324232, // 'D2B2'
cmsSigDToB3Tag = 0x44324233, // 'D2B3'
cmsSigBToD0Tag = 0x42324430, // 'B2D0'
cmsSigBToD1Tag = 0x42324431, // 'B2D1'
cmsSigBToD2Tag = 0x42324432, // 'B2D2'
cmsSigBToD3Tag = 0x42324433, // 'B2D3'
cmsSigGamutTag = 0x67616D74, // 'gamt'
cmsSigGrayTRCTag = 0x6b545243, // 'kTRC'
cmsSigGreenColorantTag = 0x6758595A, // 'gXYZ'
cmsSigGreenMatrixColumnTag = 0x6758595A, // 'gXYZ'
cmsSigGreenTRCTag = 0x67545243, // 'gTRC'
cmsSigLuminanceTag = 0x6C756d69, // 'lumi'
cmsSigMeasurementTag = 0x6D656173, // 'meas'
cmsSigMediaBlackPointTag = 0x626B7074, // 'bkpt'
cmsSigMediaWhitePointTag = 0x77747074, // 'wtpt'
cmsSigNamedColorTag = 0x6E636f6C, // 'ncol' // Deprecated by the ICC
cmsSigNamedColor2Tag = 0x6E636C32, // 'ncl2'
cmsSigOutputResponseTag = 0x72657370, // 'resp'
cmsSigPerceptualRenderingIntentGamutTag = 0x72696730, // 'rig0'
cmsSigPreview0Tag = 0x70726530, // 'pre0'
cmsSigPreview1Tag = 0x70726531, // 'pre1'
cmsSigPreview2Tag = 0x70726532, // 'pre2'
cmsSigProfileDescriptionTag = 0x64657363, // 'desc'
cmsSigProfileDescriptionMLTag = 0x6473636d, // 'dscm'
cmsSigProfileSequenceDescTag = 0x70736571, // 'pseq'
cmsSigProfileSequenceIdTag = 0x70736964, // 'psid'
cmsSigPs2CRD0Tag = 0x70736430, // 'psd0'
cmsSigPs2CRD1Tag = 0x70736431, // 'psd1'
cmsSigPs2CRD2Tag = 0x70736432, // 'psd2'
cmsSigPs2CRD3Tag = 0x70736433, // 'psd3'
cmsSigPs2CSATag = 0x70733273, // 'ps2s'
cmsSigPs2RenderingIntentTag = 0x70733269, // 'ps2i'
cmsSigRedColorantTag = 0x7258595A, // 'rXYZ'
cmsSigRedMatrixColumnTag = 0x7258595A, // 'rXYZ'
cmsSigRedTRCTag = 0x72545243, // 'rTRC'
cmsSigSaturationRenderingIntentGamutTag = 0x72696732, // 'rig2'
cmsSigScreeningDescTag = 0x73637264, // 'scrd'
cmsSigScreeningTag = 0x7363726E, // 'scrn'
cmsSigTechnologyTag = 0x74656368, // 'tech'
cmsSigUcrBgTag = 0x62666420, // 'bfd '
cmsSigViewingCondDescTag = 0x76756564, // 'vued'
cmsSigViewingConditionsTag = 0x76696577, // 'view'
cmsSigVcgtTag = 0x76636774, // 'vcgt'
cmsSigMetaTag = 0x6D657461, // 'meta'
cmsSigArgyllArtsTag = 0x61727473 // 'arts'
} cmsTagSignature;
// ICC Technology tag
typedef enum {
cmsSigDigitalCamera = 0x6463616D, // 'dcam'
cmsSigFilmScanner = 0x6673636E, // 'fscn'
cmsSigReflectiveScanner = 0x7273636E, // 'rscn'
cmsSigInkJetPrinter = 0x696A6574, // 'ijet'
cmsSigThermalWaxPrinter = 0x74776178, // 'twax'
cmsSigElectrophotographicPrinter = 0x6570686F, // 'epho'
cmsSigElectrostaticPrinter = 0x65737461, // 'esta'
cmsSigDyeSublimationPrinter = 0x64737562, // 'dsub'
cmsSigPhotographicPaperPrinter = 0x7270686F, // 'rpho'
cmsSigFilmWriter = 0x6670726E, // 'fprn'
cmsSigVideoMonitor = 0x7669646D, // 'vidm'
cmsSigVideoCamera = 0x76696463, // 'vidc'
cmsSigProjectionTelevision = 0x706A7476, // 'pjtv'
cmsSigCRTDisplay = 0x43525420, // 'CRT '
cmsSigPMDisplay = 0x504D4420, // 'PMD '
cmsSigAMDisplay = 0x414D4420, // 'AMD '
cmsSigPhotoCD = 0x4B504344, // 'KPCD'
cmsSigPhotoImageSetter = 0x696D6773, // 'imgs'
cmsSigGravure = 0x67726176, // 'grav'
cmsSigOffsetLithography = 0x6F666673, // 'offs'
cmsSigSilkscreen = 0x73696C6B, // 'silk'
cmsSigFlexography = 0x666C6578, // 'flex'
cmsSigMotionPictureFilmScanner = 0x6D706673, // 'mpfs'
cmsSigMotionPictureFilmRecorder = 0x6D706672, // 'mpfr'
cmsSigDigitalMotionPictureCamera = 0x646D7063, // 'dmpc'
cmsSigDigitalCinemaProjector = 0x64636A70 // 'dcpj'
} cmsTechnologySignature;
// ICC Color spaces
typedef enum {
cmsSigXYZData = 0x58595A20, // 'XYZ '
cmsSigLabData = 0x4C616220, // 'Lab '
cmsSigLuvData = 0x4C757620, // 'Luv '
cmsSigYCbCrData = 0x59436272, // 'YCbr'
cmsSigYxyData = 0x59787920, // 'Yxy '
cmsSigRgbData = 0x52474220, // 'RGB '
cmsSigGrayData = 0x47524159, // 'GRAY'
cmsSigHsvData = 0x48535620, // 'HSV '
cmsSigHlsData = 0x484C5320, // 'HLS '
cmsSigCmykData = 0x434D594B, // 'CMYK'
cmsSigCmyData = 0x434D5920, // 'CMY '
cmsSigMCH1Data = 0x4D434831, // 'MCH1'
cmsSigMCH2Data = 0x4D434832, // 'MCH2'
cmsSigMCH3Data = 0x4D434833, // 'MCH3'
cmsSigMCH4Data = 0x4D434834, // 'MCH4'
cmsSigMCH5Data = 0x4D434835, // 'MCH5'
cmsSigMCH6Data = 0x4D434836, // 'MCH6'
cmsSigMCH7Data = 0x4D434837, // 'MCH7'
cmsSigMCH8Data = 0x4D434838, // 'MCH8'
cmsSigMCH9Data = 0x4D434839, // 'MCH9'
cmsSigMCHAData = 0x4D434841, // 'MCHA'
cmsSigMCHBData = 0x4D434842, // 'MCHB'
cmsSigMCHCData = 0x4D434843, // 'MCHC'
cmsSigMCHDData = 0x4D434844, // 'MCHD'
cmsSigMCHEData = 0x4D434845, // 'MCHE'
cmsSigMCHFData = 0x4D434846, // 'MCHF'
cmsSigNamedData = 0x6e6d636c, // 'nmcl'
cmsSig1colorData = 0x31434C52, // '1CLR'
cmsSig2colorData = 0x32434C52, // '2CLR'
cmsSig3colorData = 0x33434C52, // '3CLR'
cmsSig4colorData = 0x34434C52, // '4CLR'
cmsSig5colorData = 0x35434C52, // '5CLR'
cmsSig6colorData = 0x36434C52, // '6CLR'
cmsSig7colorData = 0x37434C52, // '7CLR'
cmsSig8colorData = 0x38434C52, // '8CLR'
cmsSig9colorData = 0x39434C52, // '9CLR'
cmsSig10colorData = 0x41434C52, // 'ACLR'
cmsSig11colorData = 0x42434C52, // 'BCLR'
cmsSig12colorData = 0x43434C52, // 'CCLR'
cmsSig13colorData = 0x44434C52, // 'DCLR'
cmsSig14colorData = 0x45434C52, // 'ECLR'
cmsSig15colorData = 0x46434C52, // 'FCLR'
cmsSigLuvKData = 0x4C75764B // 'LuvK'
} cmsColorSpaceSignature;
// ICC Profile Class
typedef enum {
cmsSigInputClass = 0x73636E72, // 'scnr'
cmsSigDisplayClass = 0x6D6E7472, // 'mntr'
cmsSigOutputClass = 0x70727472, // 'prtr'
cmsSigLinkClass = 0x6C696E6B, // 'link'
cmsSigAbstractClass = 0x61627374, // 'abst'
cmsSigColorSpaceClass = 0x73706163, // 'spac'
cmsSigNamedColorClass = 0x6e6d636c // 'nmcl'
} cmsProfileClassSignature;
// ICC Platforms
typedef enum {
cmsSigMacintosh = 0x4150504C, // 'APPL'
cmsSigMicrosoft = 0x4D534654, // 'MSFT'
cmsSigSolaris = 0x53554E57, // 'SUNW'
cmsSigSGI = 0x53474920, // 'SGI '
cmsSigTaligent = 0x54474E54, // 'TGNT'
cmsSigUnices = 0x2A6E6978 // '*nix' // From argyll -- Not official
} cmsPlatformSignature;
// Reference gamut
#define cmsSigPerceptualReferenceMediumGamut 0x70726d67 //'prmg'
// For cmsSigColorimetricIntentImageStateTag
#define cmsSigSceneColorimetryEstimates 0x73636F65 //'scoe'
#define cmsSigSceneAppearanceEstimates 0x73617065 //'sape'
#define cmsSigFocalPlaneColorimetryEstimates 0x66706365 //'fpce'
#define cmsSigReflectionHardcopyOriginalColorimetry 0x72686F63 //'rhoc'
#define cmsSigReflectionPrintOutputColorimetry 0x72706F63 //'rpoc'
// Multi process elements types
typedef enum {
cmsSigCurveSetElemType = 0x63767374, //'cvst'
cmsSigMatrixElemType = 0x6D617466, //'matf'
cmsSigCLutElemType = 0x636C7574, //'clut'
cmsSigBAcsElemType = 0x62414353, // 'bACS'
cmsSigEAcsElemType = 0x65414353, // 'eACS'
// Custom from here, not in the ICC Spec
cmsSigXYZ2LabElemType = 0x6C327820, // 'l2x '
cmsSigLab2XYZElemType = 0x78326C20, // 'x2l '
cmsSigNamedColorElemType = 0x6E636C20, // 'ncl '
cmsSigLabV2toV4 = 0x32203420, // '2 4 '
cmsSigLabV4toV2 = 0x34203220, // '4 2 '
// Identities
cmsSigIdentityElemType = 0x69646E20, // 'idn '
// Float to floatPCS
cmsSigLab2FloatPCS = 0x64326C20, // 'd2l '
cmsSigFloatPCS2Lab = 0x6C326420, // 'l2d '
cmsSigXYZ2FloatPCS = 0x64327820, // 'd2x '
cmsSigFloatPCS2XYZ = 0x78326420, // 'x2d '
cmsSigClipNegativesElemType = 0x636c7020 // 'clp '
} cmsStageSignature;
// Types of CurveElements
typedef enum {
cmsSigFormulaCurveSeg = 0x70617266, // 'parf'
cmsSigSampledCurveSeg = 0x73616D66, // 'samf'
cmsSigSegmentedCurve = 0x63757266 // 'curf'
} cmsCurveSegSignature;
// Used in ResponseCurveType
#define cmsSigStatusA 0x53746141 //'StaA'
#define cmsSigStatusE 0x53746145 //'StaE'
#define cmsSigStatusI 0x53746149 //'StaI'
#define cmsSigStatusT 0x53746154 //'StaT'
#define cmsSigStatusM 0x5374614D //'StaM'
#define cmsSigDN 0x444E2020 //'DN '
#define cmsSigDNP 0x444E2050 //'DN P'
#define cmsSigDNN 0x444E4E20 //'DNN '
#define cmsSigDNNP 0x444E4E50 //'DNNP'
// Device attributes, currently defined values correspond to the low 4 bytes
// of the 8 byte attribute quantity
#define cmsReflective 0
#define cmsTransparency 1
#define cmsGlossy 0
#define cmsMatte 2
// Common structures in ICC tags
typedef struct {
cmsUInt32Number len;
cmsUInt32Number flag;
cmsUInt8Number data[1];
} cmsICCData;
// ICC date time
typedef struct {
cmsUInt16Number year;
cmsUInt16Number month;
cmsUInt16Number day;
cmsUInt16Number hours;
cmsUInt16Number minutes;
cmsUInt16Number seconds;
} cmsDateTimeNumber;
// ICC XYZ
typedef struct {
cmsS15Fixed16Number X;
cmsS15Fixed16Number Y;
cmsS15Fixed16Number Z;
} cmsEncodedXYZNumber;
// Profile ID as computed by MD5 algorithm
typedef union {
cmsUInt8Number ID8[16];
cmsUInt16Number ID16[8];
cmsUInt32Number ID32[4];
} cmsProfileID;
// ----------------------------------------------------------------------------------------------
// ICC profile internal base types. Strictly, shouldn't be declared in this header, but maybe
// somebody want to use this info for accessing profile header directly, so here it is.
// Profile header -- it is 32-bit aligned, so no issues are expected on alignment
typedef struct {
cmsUInt32Number size; // Profile size in bytes
cmsSignature cmmId; // CMM for this profile
cmsUInt32Number version; // Format version number
cmsProfileClassSignature deviceClass; // Type of profile
cmsColorSpaceSignature colorSpace; // Color space of data
cmsColorSpaceSignature pcs; // PCS, XYZ or Lab only
cmsDateTimeNumber date; // Date profile was created
cmsSignature magic; // Magic Number to identify an ICC profile
cmsPlatformSignature platform; // Primary Platform
cmsUInt32Number flags; // Various bit settings
cmsSignature manufacturer; // Device manufacturer
cmsUInt32Number model; // Device model number
cmsUInt64Number attributes; // Device attributes
cmsUInt32Number renderingIntent;// Rendering intent
cmsEncodedXYZNumber illuminant; // Profile illuminant
cmsSignature creator; // Profile creator
cmsProfileID profileID; // Profile ID using MD5
cmsInt8Number reserved[28]; // Reserved for future use
} cmsICCHeader;
// ICC base tag
typedef struct {
cmsTagTypeSignature sig;
cmsInt8Number reserved[4];
} cmsTagBase;
// A tag entry in directory
typedef struct {
cmsTagSignature sig; // The tag signature
cmsUInt32Number offset; // Start of tag
cmsUInt32Number size; // Size in bytes
} cmsTagEntry;
// ----------------------------------------------------------------------------------------------
// Little CMS specific typedefs
typedef void* cmsHANDLE ; // Generic handle
typedef void* cmsHPROFILE; // Opaque typedefs to hide internals
typedef void* cmsHTRANSFORM;
#define cmsMAXCHANNELS 16 // Maximum number of channels in ICC profiles
// Format of pixel is defined by one cmsUInt32Number, using bit fields as follows
//
// 2 1 0
// 3 2 10987 6 5 4 3 2 1 098 7654 321
// A O TTTTT U Y F P X S EEE CCCC BBB
//
// A: Floating point -- With this flag we can differentiate 16 bits as float and as int
// O: Optimized -- previous optimization already returns the final 8-bit value
// T: Pixeltype
// F: Flavor 0=MinIsBlack(Chocolate) 1=MinIsWhite(Vanilla)
// P: Planar? 0=Chunky, 1=Planar
// X: swap 16 bps endianness?
// S: Do swap? ie, BGR, KYMC
// E: Extra samples
// C: Channels (Samples per pixel)
// B: bytes per sample
// Y: Swap first - changes ABGR to BGRA and KCMY to CMYK
#define FLOAT_SH(a) ((a) << 22)
#define OPTIMIZED_SH(s) ((s) << 21)
#define COLORSPACE_SH(s) ((s) << 16)
#define SWAPFIRST_SH(s) ((s) << 14)
#define FLAVOR_SH(s) ((s) << 13)
#define PLANAR_SH(p) ((p) << 12)
#define ENDIAN16_SH(e) ((e) << 11)
#define DOSWAP_SH(e) ((e) << 10)
#define EXTRA_SH(e) ((e) << 7)
#define CHANNELS_SH(c) ((c) << 3)
#define BYTES_SH(b) (b)
// These macros unpack format specifiers into integers
#define T_FLOAT(a) (((a)>>22)&1)
#define T_OPTIMIZED(o) (((o)>>21)&1)
#define T_COLORSPACE(s) (((s)>>16)&31)
#define T_SWAPFIRST(s) (((s)>>14)&1)
#define T_FLAVOR(s) (((s)>>13)&1)
#define T_PLANAR(p) (((p)>>12)&1)
#define T_ENDIAN16(e) (((e)>>11)&1)
#define T_DOSWAP(e) (((e)>>10)&1)
#define T_EXTRA(e) (((e)>>7)&7)
#define T_CHANNELS(c) (((c)>>3)&15)
#define T_BYTES(b) ((b)&7)
// Pixel types
#define PT_ANY 0 // Don't check colorspace
// 1 & 2 are reserved
#define PT_GRAY 3
#define PT_RGB 4
#define PT_CMY 5
#define PT_CMYK 6
#define PT_YCbCr 7
#define PT_YUV 8 // Lu'v'
#define PT_XYZ 9
#define PT_Lab 10
#define PT_YUVK 11 // Lu'v'K
#define PT_HSV 12
#define PT_HLS 13
#define PT_Yxy 14
#define PT_MCH1 15
#define PT_MCH2 16
#define PT_MCH3 17
#define PT_MCH4 18
#define PT_MCH5 19
#define PT_MCH6 20
#define PT_MCH7 21
#define PT_MCH8 22
#define PT_MCH9 23
#define PT_MCH10 24
#define PT_MCH11 25
#define PT_MCH12 26
#define PT_MCH13 27
#define PT_MCH14 28
#define PT_MCH15 29
#define PT_LabV2 30 // Identical to PT_Lab, but using the V2 old encoding
// Some (not all!) representations
#ifndef TYPE_RGB_8 // TYPE_RGB_8 is a very common identifier, so don't include ours
// if user has it already defined.
#define TYPE_GRAY_8 (COLORSPACE_SH(PT_GRAY)|CHANNELS_SH(1)|BYTES_SH(1))
#define TYPE_GRAY_8_REV (COLORSPACE_SH(PT_GRAY)|CHANNELS_SH(1)|BYTES_SH(1)|FLAVOR_SH(1))
#define TYPE_GRAY_16 (COLORSPACE_SH(PT_GRAY)|CHANNELS_SH(1)|BYTES_SH(2))
#define TYPE_GRAY_16_REV (COLORSPACE_SH(PT_GRAY)|CHANNELS_SH(1)|BYTES_SH(2)|FLAVOR_SH(1))
#define TYPE_GRAY_16_SE (COLORSPACE_SH(PT_GRAY)|CHANNELS_SH(1)|BYTES_SH(2)|ENDIAN16_SH(1))
#define TYPE_GRAYA_8 (COLORSPACE_SH(PT_GRAY)|EXTRA_SH(1)|CHANNELS_SH(1)|BYTES_SH(1))
#define TYPE_GRAYA_16 (COLORSPACE_SH(PT_GRAY)|EXTRA_SH(1)|CHANNELS_SH(1)|BYTES_SH(2))
#define TYPE_GRAYA_16_SE (COLORSPACE_SH(PT_GRAY)|EXTRA_SH(1)|CHANNELS_SH(1)|BYTES_SH(2)|ENDIAN16_SH(1))
#define TYPE_GRAYA_8_PLANAR (COLORSPACE_SH(PT_GRAY)|EXTRA_SH(1)|CHANNELS_SH(1)|BYTES_SH(1)|PLANAR_SH(1))
#define TYPE_GRAYA_16_PLANAR (COLORSPACE_SH(PT_GRAY)|EXTRA_SH(1)|CHANNELS_SH(1)|BYTES_SH(2)|PLANAR_SH(1))
#define TYPE_RGB_8 (COLORSPACE_SH(PT_RGB)|CHANNELS_SH(3)|BYTES_SH(1))
#define TYPE_RGB_8_PLANAR (COLORSPACE_SH(PT_RGB)|CHANNELS_SH(3)|BYTES_SH(1)|PLANAR_SH(1))
#define TYPE_BGR_8 (COLORSPACE_SH(PT_RGB)|CHANNELS_SH(3)|BYTES_SH(1)|DOSWAP_SH(1))
#define TYPE_BGR_8_PLANAR (COLORSPACE_SH(PT_RGB)|CHANNELS_SH(3)|BYTES_SH(1)|DOSWAP_SH(1)|PLANAR_SH(1))
#define TYPE_RGB_16 (COLORSPACE_SH(PT_RGB)|CHANNELS_SH(3)|BYTES_SH(2))
#define TYPE_RGB_16_PLANAR (COLORSPACE_SH(PT_RGB)|CHANNELS_SH(3)|BYTES_SH(2)|PLANAR_SH(1))
#define TYPE_RGB_16_SE (COLORSPACE_SH(PT_RGB)|CHANNELS_SH(3)|BYTES_SH(2)|ENDIAN16_SH(1))
#define TYPE_BGR_16 (COLORSPACE_SH(PT_RGB)|CHANNELS_SH(3)|BYTES_SH(2)|DOSWAP_SH(1))
#define TYPE_BGR_16_PLANAR (COLORSPACE_SH(PT_RGB)|CHANNELS_SH(3)|BYTES_SH(2)|DOSWAP_SH(1)|PLANAR_SH(1))
#define TYPE_BGR_16_SE (COLORSPACE_SH(PT_RGB)|CHANNELS_SH(3)|BYTES_SH(2)|DOSWAP_SH(1)|ENDIAN16_SH(1))
#define TYPE_RGBA_8 (COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(1))
#define TYPE_RGBA_8_PLANAR (COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(1)|PLANAR_SH(1))
#define TYPE_RGBA_16 (COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(2))
#define TYPE_RGBA_16_PLANAR (COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(2)|PLANAR_SH(1))
#define TYPE_RGBA_16_SE (COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(2)|ENDIAN16_SH(1))
#define TYPE_ARGB_8 (COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(1)|SWAPFIRST_SH(1))
#define TYPE_ARGB_8_PLANAR (COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(1)|SWAPFIRST_SH(1)|PLANAR_SH(1))
#define TYPE_ARGB_16 (COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(2)|SWAPFIRST_SH(1))
#define TYPE_ABGR_8 (COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(1)|DOSWAP_SH(1))
#define TYPE_ABGR_8_PLANAR (COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(1)|DOSWAP_SH(1)|PLANAR_SH(1))
#define TYPE_ABGR_16 (COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(2)|DOSWAP_SH(1))
#define TYPE_ABGR_16_PLANAR (COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(2)|DOSWAP_SH(1)|PLANAR_SH(1))
#define TYPE_ABGR_16_SE (COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(2)|DOSWAP_SH(1)|ENDIAN16_SH(1))
#define TYPE_BGRA_8 (COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(1)|DOSWAP_SH(1)|SWAPFIRST_SH(1))
#define TYPE_BGRA_8_PLANAR (COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(1)|DOSWAP_SH(1)|SWAPFIRST_SH(1)|PLANAR_SH(1))
#define TYPE_BGRA_16 (COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(2)|DOSWAP_SH(1)|SWAPFIRST_SH(1))
#define TYPE_BGRA_16_SE (COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(2)|ENDIAN16_SH(1)|DOSWAP_SH(1)|SWAPFIRST_SH(1))
#define TYPE_CMY_8 (COLORSPACE_SH(PT_CMY)|CHANNELS_SH(3)|BYTES_SH(1))
#define TYPE_CMY_8_PLANAR (COLORSPACE_SH(PT_CMY)|CHANNELS_SH(3)|BYTES_SH(1)|PLANAR_SH(1))
#define TYPE_CMY_16 (COLORSPACE_SH(PT_CMY)|CHANNELS_SH(3)|BYTES_SH(2))
#define TYPE_CMY_16_PLANAR (COLORSPACE_SH(PT_CMY)|CHANNELS_SH(3)|BYTES_SH(2)|PLANAR_SH(1))
#define TYPE_CMY_16_SE (COLORSPACE_SH(PT_CMY)|CHANNELS_SH(3)|BYTES_SH(2)|ENDIAN16_SH(1))
#define TYPE_CMYK_8 (COLORSPACE_SH(PT_CMYK)|CHANNELS_SH(4)|BYTES_SH(1))
#define TYPE_CMYKA_8 (COLORSPACE_SH(PT_CMYK)|EXTRA_SH(1)|CHANNELS_SH(4)|BYTES_SH(1))
#define TYPE_CMYK_8_REV (COLORSPACE_SH(PT_CMYK)|CHANNELS_SH(4)|BYTES_SH(1)|FLAVOR_SH(1))
#define TYPE_YUVK_8 TYPE_CMYK_8_REV
#define TYPE_CMYK_8_PLANAR (COLORSPACE_SH(PT_CMYK)|CHANNELS_SH(4)|BYTES_SH(1)|PLANAR_SH(1))
#define TYPE_CMYK_16 (COLORSPACE_SH(PT_CMYK)|CHANNELS_SH(4)|BYTES_SH(2))
#define TYPE_CMYK_16_REV (COLORSPACE_SH(PT_CMYK)|CHANNELS_SH(4)|BYTES_SH(2)|FLAVOR_SH(1))
#define TYPE_YUVK_16 TYPE_CMYK_16_REV
#define TYPE_CMYK_16_PLANAR (COLORSPACE_SH(PT_CMYK)|CHANNELS_SH(4)|BYTES_SH(2)|PLANAR_SH(1))
#define TYPE_CMYK_16_SE (COLORSPACE_SH(PT_CMYK)|CHANNELS_SH(4)|BYTES_SH(2)|ENDIAN16_SH(1))
#define TYPE_KYMC_8 (COLORSPACE_SH(PT_CMYK)|CHANNELS_SH(4)|BYTES_SH(1)|DOSWAP_SH(1))
#define TYPE_KYMC_16 (COLORSPACE_SH(PT_CMYK)|CHANNELS_SH(4)|BYTES_SH(2)|DOSWAP_SH(1))
#define TYPE_KYMC_16_SE (COLORSPACE_SH(PT_CMYK)|CHANNELS_SH(4)|BYTES_SH(2)|DOSWAP_SH(1)|ENDIAN16_SH(1))
#define TYPE_KCMY_8 (COLORSPACE_SH(PT_CMYK)|CHANNELS_SH(4)|BYTES_SH(1)|SWAPFIRST_SH(1))
#define TYPE_KCMY_8_REV (COLORSPACE_SH(PT_CMYK)|CHANNELS_SH(4)|BYTES_SH(1)|FLAVOR_SH(1)|SWAPFIRST_SH(1))
#define TYPE_KCMY_16 (COLORSPACE_SH(PT_CMYK)|CHANNELS_SH(4)|BYTES_SH(2)|SWAPFIRST_SH(1))
#define TYPE_KCMY_16_REV (COLORSPACE_SH(PT_CMYK)|CHANNELS_SH(4)|BYTES_SH(2)|FLAVOR_SH(1)|SWAPFIRST_SH(1))
#define TYPE_KCMY_16_SE (COLORSPACE_SH(PT_CMYK)|CHANNELS_SH(4)|BYTES_SH(2)|ENDIAN16_SH(1)|SWAPFIRST_SH(1))
#define TYPE_CMYK5_8 (COLORSPACE_SH(PT_MCH5)|CHANNELS_SH(5)|BYTES_SH(1))
#define TYPE_CMYK5_16 (COLORSPACE_SH(PT_MCH5)|CHANNELS_SH(5)|BYTES_SH(2))
#define TYPE_CMYK5_16_SE (COLORSPACE_SH(PT_MCH5)|CHANNELS_SH(5)|BYTES_SH(2)|ENDIAN16_SH(1))
#define TYPE_KYMC5_8 (COLORSPACE_SH(PT_MCH5)|CHANNELS_SH(5)|BYTES_SH(1)|DOSWAP_SH(1))
#define TYPE_KYMC5_16 (COLORSPACE_SH(PT_MCH5)|CHANNELS_SH(5)|BYTES_SH(2)|DOSWAP_SH(1))
#define TYPE_KYMC5_16_SE (COLORSPACE_SH(PT_MCH5)|CHANNELS_SH(5)|BYTES_SH(2)|DOSWAP_SH(1)|ENDIAN16_SH(1))
#define TYPE_CMYK6_8 (COLORSPACE_SH(PT_MCH6)|CHANNELS_SH(6)|BYTES_SH(1))
#define TYPE_CMYK6_8_PLANAR (COLORSPACE_SH(PT_MCH6)|CHANNELS_SH(6)|BYTES_SH(1)|PLANAR_SH(1))
#define TYPE_CMYK6_16 (COLORSPACE_SH(PT_MCH6)|CHANNELS_SH(6)|BYTES_SH(2))
#define TYPE_CMYK6_16_PLANAR (COLORSPACE_SH(PT_MCH6)|CHANNELS_SH(6)|BYTES_SH(2)|PLANAR_SH(1))
#define TYPE_CMYK6_16_SE (COLORSPACE_SH(PT_MCH6)|CHANNELS_SH(6)|BYTES_SH(2)|ENDIAN16_SH(1))
#define TYPE_CMYK7_8 (COLORSPACE_SH(PT_MCH7)|CHANNELS_SH(7)|BYTES_SH(1))
#define TYPE_CMYK7_16 (COLORSPACE_SH(PT_MCH7)|CHANNELS_SH(7)|BYTES_SH(2))
#define TYPE_CMYK7_16_SE (COLORSPACE_SH(PT_MCH7)|CHANNELS_SH(7)|BYTES_SH(2)|ENDIAN16_SH(1))
#define TYPE_KYMC7_8 (COLORSPACE_SH(PT_MCH7)|CHANNELS_SH(7)|BYTES_SH(1)|DOSWAP_SH(1))
#define TYPE_KYMC7_16 (COLORSPACE_SH(PT_MCH7)|CHANNELS_SH(7)|BYTES_SH(2)|DOSWAP_SH(1))
#define TYPE_KYMC7_16_SE (COLORSPACE_SH(PT_MCH7)|CHANNELS_SH(7)|BYTES_SH(2)|DOSWAP_SH(1)|ENDIAN16_SH(1))
#define TYPE_CMYK8_8 (COLORSPACE_SH(PT_MCH8)|CHANNELS_SH(8)|BYTES_SH(1))
#define TYPE_CMYK8_16 (COLORSPACE_SH(PT_MCH8)|CHANNELS_SH(8)|BYTES_SH(2))
#define TYPE_CMYK8_16_SE (COLORSPACE_SH(PT_MCH8)|CHANNELS_SH(8)|BYTES_SH(2)|ENDIAN16_SH(1))
#define TYPE_KYMC8_8 (COLORSPACE_SH(PT_MCH8)|CHANNELS_SH(8)|BYTES_SH(1)|DOSWAP_SH(1))
#define TYPE_KYMC8_16 (COLORSPACE_SH(PT_MCH8)|CHANNELS_SH(8)|BYTES_SH(2)|DOSWAP_SH(1))
#define TYPE_KYMC8_16_SE (COLORSPACE_SH(PT_MCH8)|CHANNELS_SH(8)|BYTES_SH(2)|DOSWAP_SH(1)|ENDIAN16_SH(1))
#define TYPE_CMYK9_8 (COLORSPACE_SH(PT_MCH9)|CHANNELS_SH(9)|BYTES_SH(1))
#define TYPE_CMYK9_16 (COLORSPACE_SH(PT_MCH9)|CHANNELS_SH(9)|BYTES_SH(2))
#define TYPE_CMYK9_16_SE (COLORSPACE_SH(PT_MCH9)|CHANNELS_SH(9)|BYTES_SH(2)|ENDIAN16_SH(1))
#define TYPE_KYMC9_8 (COLORSPACE_SH(PT_MCH9)|CHANNELS_SH(9)|BYTES_SH(1)|DOSWAP_SH(1))
#define TYPE_KYMC9_16 (COLORSPACE_SH(PT_MCH9)|CHANNELS_SH(9)|BYTES_SH(2)|DOSWAP_SH(1))
#define TYPE_KYMC9_16_SE (COLORSPACE_SH(PT_MCH9)|CHANNELS_SH(9)|BYTES_SH(2)|DOSWAP_SH(1)|ENDIAN16_SH(1))
#define TYPE_CMYK10_8 (COLORSPACE_SH(PT_MCH10)|CHANNELS_SH(10)|BYTES_SH(1))
#define TYPE_CMYK10_16 (COLORSPACE_SH(PT_MCH10)|CHANNELS_SH(10)|BYTES_SH(2))
#define TYPE_CMYK10_16_SE (COLORSPACE_SH(PT_MCH10)|CHANNELS_SH(10)|BYTES_SH(2)|ENDIAN16_SH(1))
#define TYPE_KYMC10_8 (COLORSPACE_SH(PT_MCH10)|CHANNELS_SH(10)|BYTES_SH(1)|DOSWAP_SH(1))
#define TYPE_KYMC10_16 (COLORSPACE_SH(PT_MCH10)|CHANNELS_SH(10)|BYTES_SH(2)|DOSWAP_SH(1))
#define TYPE_KYMC10_16_SE (COLORSPACE_SH(PT_MCH10)|CHANNELS_SH(10)|BYTES_SH(2)|DOSWAP_SH(1)|ENDIAN16_SH(1))
#define TYPE_CMYK11_8 (COLORSPACE_SH(PT_MCH11)|CHANNELS_SH(11)|BYTES_SH(1))
#define TYPE_CMYK11_16 (COLORSPACE_SH(PT_MCH11)|CHANNELS_SH(11)|BYTES_SH(2))
#define TYPE_CMYK11_16_SE (COLORSPACE_SH(PT_MCH11)|CHANNELS_SH(11)|BYTES_SH(2)|ENDIAN16_SH(1))
#define TYPE_KYMC11_8 (COLORSPACE_SH(PT_MCH11)|CHANNELS_SH(11)|BYTES_SH(1)|DOSWAP_SH(1))
#define TYPE_KYMC11_16 (COLORSPACE_SH(PT_MCH11)|CHANNELS_SH(11)|BYTES_SH(2)|DOSWAP_SH(1))
#define TYPE_KYMC11_16_SE (COLORSPACE_SH(PT_MCH11)|CHANNELS_SH(11)|BYTES_SH(2)|DOSWAP_SH(1)|ENDIAN16_SH(1))
#define TYPE_CMYK12_8 (COLORSPACE_SH(PT_MCH12)|CHANNELS_SH(12)|BYTES_SH(1))
#define TYPE_CMYK12_16 (COLORSPACE_SH(PT_MCH12)|CHANNELS_SH(12)|BYTES_SH(2))
#define TYPE_CMYK12_16_SE (COLORSPACE_SH(PT_MCH12)|CHANNELS_SH(12)|BYTES_SH(2)|ENDIAN16_SH(1))
#define TYPE_KYMC12_8 (COLORSPACE_SH(PT_MCH12)|CHANNELS_SH(12)|BYTES_SH(1)|DOSWAP_SH(1))
#define TYPE_KYMC12_16 (COLORSPACE_SH(PT_MCH12)|CHANNELS_SH(12)|BYTES_SH(2)|DOSWAP_SH(1))
#define TYPE_KYMC12_16_SE (COLORSPACE_SH(PT_MCH12)|CHANNELS_SH(12)|BYTES_SH(2)|DOSWAP_SH(1)|ENDIAN16_SH(1))
// Colorimetric
#define TYPE_XYZ_16 (COLORSPACE_SH(PT_XYZ)|CHANNELS_SH(3)|BYTES_SH(2))
#define TYPE_Lab_8 (COLORSPACE_SH(PT_Lab)|CHANNELS_SH(3)|BYTES_SH(1))
#define TYPE_LabV2_8 (COLORSPACE_SH(PT_LabV2)|CHANNELS_SH(3)|BYTES_SH(1))
#define TYPE_ALab_8 (COLORSPACE_SH(PT_Lab)|CHANNELS_SH(3)|BYTES_SH(1)|EXTRA_SH(1)|SWAPFIRST_SH(1))
#define TYPE_ALabV2_8 (COLORSPACE_SH(PT_LabV2)|CHANNELS_SH(3)|BYTES_SH(1)|EXTRA_SH(1)|SWAPFIRST_SH(1))
#define TYPE_Lab_16 (COLORSPACE_SH(PT_Lab)|CHANNELS_SH(3)|BYTES_SH(2))
#define TYPE_LabV2_16 (COLORSPACE_SH(PT_LabV2)|CHANNELS_SH(3)|BYTES_SH(2))
#define TYPE_Yxy_16 (COLORSPACE_SH(PT_Yxy)|CHANNELS_SH(3)|BYTES_SH(2))
// YCbCr
#define TYPE_YCbCr_8 (COLORSPACE_SH(PT_YCbCr)|CHANNELS_SH(3)|BYTES_SH(1))
#define TYPE_YCbCr_8_PLANAR (COLORSPACE_SH(PT_YCbCr)|CHANNELS_SH(3)|BYTES_SH(1)|PLANAR_SH(1))
#define TYPE_YCbCr_16 (COLORSPACE_SH(PT_YCbCr)|CHANNELS_SH(3)|BYTES_SH(2))
#define TYPE_YCbCr_16_PLANAR (COLORSPACE_SH(PT_YCbCr)|CHANNELS_SH(3)|BYTES_SH(2)|PLANAR_SH(1))
#define TYPE_YCbCr_16_SE (COLORSPACE_SH(PT_YCbCr)|CHANNELS_SH(3)|BYTES_SH(2)|ENDIAN16_SH(1))
// YUV
#define TYPE_YUV_8 (COLORSPACE_SH(PT_YUV)|CHANNELS_SH(3)|BYTES_SH(1))
#define TYPE_YUV_8_PLANAR (COLORSPACE_SH(PT_YUV)|CHANNELS_SH(3)|BYTES_SH(1)|PLANAR_SH(1))
#define TYPE_YUV_16 (COLORSPACE_SH(PT_YUV)|CHANNELS_SH(3)|BYTES_SH(2))
#define TYPE_YUV_16_PLANAR (COLORSPACE_SH(PT_YUV)|CHANNELS_SH(3)|BYTES_SH(2)|PLANAR_SH(1))
#define TYPE_YUV_16_SE (COLORSPACE_SH(PT_YUV)|CHANNELS_SH(3)|BYTES_SH(2)|ENDIAN16_SH(1))
// HLS
#define TYPE_HLS_8 (COLORSPACE_SH(PT_HLS)|CHANNELS_SH(3)|BYTES_SH(1))
#define TYPE_HLS_8_PLANAR (COLORSPACE_SH(PT_HLS)|CHANNELS_SH(3)|BYTES_SH(1)|PLANAR_SH(1))
#define TYPE_HLS_16 (COLORSPACE_SH(PT_HLS)|CHANNELS_SH(3)|BYTES_SH(2))
#define TYPE_HLS_16_PLANAR (COLORSPACE_SH(PT_HLS)|CHANNELS_SH(3)|BYTES_SH(2)|PLANAR_SH(1))
#define TYPE_HLS_16_SE (COLORSPACE_SH(PT_HLS)|CHANNELS_SH(3)|BYTES_SH(2)|ENDIAN16_SH(1))
// HSV
#define TYPE_HSV_8 (COLORSPACE_SH(PT_HSV)|CHANNELS_SH(3)|BYTES_SH(1))
#define TYPE_HSV_8_PLANAR (COLORSPACE_SH(PT_HSV)|CHANNELS_SH(3)|BYTES_SH(1)|PLANAR_SH(1))
#define TYPE_HSV_16 (COLORSPACE_SH(PT_HSV)|CHANNELS_SH(3)|BYTES_SH(2))
#define TYPE_HSV_16_PLANAR (COLORSPACE_SH(PT_HSV)|CHANNELS_SH(3)|BYTES_SH(2)|PLANAR_SH(1))
#define TYPE_HSV_16_SE (COLORSPACE_SH(PT_HSV)|CHANNELS_SH(3)|BYTES_SH(2)|ENDIAN16_SH(1))
// Named color index. Only 16 bits allowed (don't check colorspace)
#define TYPE_NAMED_COLOR_INDEX (CHANNELS_SH(1)|BYTES_SH(2))
// Float formatters.
#define TYPE_XYZ_FLT (FLOAT_SH(1)|COLORSPACE_SH(PT_XYZ)|CHANNELS_SH(3)|BYTES_SH(4))
#define TYPE_Lab_FLT (FLOAT_SH(1)|COLORSPACE_SH(PT_Lab)|CHANNELS_SH(3)|BYTES_SH(4))
#define TYPE_LabA_FLT (FLOAT_SH(1)|COLORSPACE_SH(PT_Lab)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(4))
#define TYPE_GRAY_FLT (FLOAT_SH(1)|COLORSPACE_SH(PT_GRAY)|CHANNELS_SH(1)|BYTES_SH(4))
#define TYPE_RGB_FLT (FLOAT_SH(1)|COLORSPACE_SH(PT_RGB)|CHANNELS_SH(3)|BYTES_SH(4))
#define TYPE_RGBA_FLT (FLOAT_SH(1)|COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(4))
#define TYPE_ARGB_FLT (FLOAT_SH(1)|COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(4)|SWAPFIRST_SH(1))
#define TYPE_BGR_FLT (FLOAT_SH(1)|COLORSPACE_SH(PT_RGB)|CHANNELS_SH(3)|BYTES_SH(4)|DOSWAP_SH(1))
#define TYPE_BGRA_FLT (FLOAT_SH(1)|COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(4)|DOSWAP_SH(1)|SWAPFIRST_SH(1))
#define TYPE_ABGR_FLT (FLOAT_SH(1)|COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(4)|DOSWAP_SH(1))
#define TYPE_CMYK_FLT (FLOAT_SH(1)|COLORSPACE_SH(PT_CMYK)|CHANNELS_SH(4)|BYTES_SH(4))
// Floating point formatters.
// NOTE THAT 'BYTES' FIELD IS SET TO ZERO ON DLB because 8 bytes overflows the bitfield
#define TYPE_XYZ_DBL (FLOAT_SH(1)|COLORSPACE_SH(PT_XYZ)|CHANNELS_SH(3)|BYTES_SH(0))
#define TYPE_Lab_DBL (FLOAT_SH(1)|COLORSPACE_SH(PT_Lab)|CHANNELS_SH(3)|BYTES_SH(0))
#define TYPE_GRAY_DBL (FLOAT_SH(1)|COLORSPACE_SH(PT_GRAY)|CHANNELS_SH(1)|BYTES_SH(0))
#define TYPE_RGB_DBL (FLOAT_SH(1)|COLORSPACE_SH(PT_RGB)|CHANNELS_SH(3)|BYTES_SH(0))
#define TYPE_BGR_DBL (FLOAT_SH(1)|COLORSPACE_SH(PT_RGB)|CHANNELS_SH(3)|BYTES_SH(0)|DOSWAP_SH(1))
#define TYPE_CMYK_DBL (FLOAT_SH(1)|COLORSPACE_SH(PT_CMYK)|CHANNELS_SH(4)|BYTES_SH(0))
// IEEE 754-2008 "half"
#define TYPE_GRAY_HALF_FLT (FLOAT_SH(1)|COLORSPACE_SH(PT_GRAY)|CHANNELS_SH(1)|BYTES_SH(2))
#define TYPE_RGB_HALF_FLT (FLOAT_SH(1)|COLORSPACE_SH(PT_RGB)|CHANNELS_SH(3)|BYTES_SH(2))
#define TYPE_RGBA_HALF_FLT (FLOAT_SH(1)|COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(2))
#define TYPE_CMYK_HALF_FLT (FLOAT_SH(1)|COLORSPACE_SH(PT_CMYK)|CHANNELS_SH(4)|BYTES_SH(2))
#define TYPE_RGBA_HALF_FLT (FLOAT_SH(1)|COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(2))
#define TYPE_ARGB_HALF_FLT (FLOAT_SH(1)|COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(2)|SWAPFIRST_SH(1))
#define TYPE_BGR_HALF_FLT (FLOAT_SH(1)|COLORSPACE_SH(PT_RGB)|CHANNELS_SH(3)|BYTES_SH(2)|DOSWAP_SH(1))
#define TYPE_BGRA_HALF_FLT (FLOAT_SH(1)|COLORSPACE_SH(PT_RGB)|EXTRA_SH(1)|CHANNELS_SH(3)|BYTES_SH(2)|DOSWAP_SH(1)|SWAPFIRST_SH(1))
#define TYPE_ABGR_HALF_FLT (FLOAT_SH(1)|COLORSPACE_SH(PT_RGB)|CHANNELS_SH(3)|BYTES_SH(2)|DOSWAP_SH(1))
#endif
// Colorspaces
typedef struct {
cmsFloat64Number X;
cmsFloat64Number Y;
cmsFloat64Number Z;
} cmsCIEXYZ;
typedef struct {
cmsFloat64Number x;
cmsFloat64Number y;
cmsFloat64Number Y;
} cmsCIExyY;
typedef struct {
cmsFloat64Number L;
cmsFloat64Number a;
cmsFloat64Number b;
} cmsCIELab;
typedef struct {
cmsFloat64Number L;
cmsFloat64Number C;
cmsFloat64Number h;
} cmsCIELCh;
typedef struct {
cmsFloat64Number J;
cmsFloat64Number C;
cmsFloat64Number h;
} cmsJCh;
typedef struct {
cmsCIEXYZ Red;
cmsCIEXYZ Green;
cmsCIEXYZ Blue;
} cmsCIEXYZTRIPLE;
typedef struct {
cmsCIExyY Red;
cmsCIExyY Green;
cmsCIExyY Blue;
} cmsCIExyYTRIPLE;
// Illuminant types for structs below
#define cmsILLUMINANT_TYPE_UNKNOWN 0x0000000
#define cmsILLUMINANT_TYPE_D50 0x0000001
#define cmsILLUMINANT_TYPE_D65 0x0000002
#define cmsILLUMINANT_TYPE_D93 0x0000003
#define cmsILLUMINANT_TYPE_F2 0x0000004
#define cmsILLUMINANT_TYPE_D55 0x0000005
#define cmsILLUMINANT_TYPE_A 0x0000006
#define cmsILLUMINANT_TYPE_E 0x0000007
#define cmsILLUMINANT_TYPE_F8 0x0000008
typedef struct {
cmsUInt32Number Observer; // 0 = unknown, 1=CIE 1931, 2=CIE 1964
cmsCIEXYZ Backing; // Value of backing
cmsUInt32Number Geometry; // 0=unknown, 1=45/0, 0/45 2=0d, d/0
cmsFloat64Number Flare; // 0..1.0
cmsUInt32Number IlluminantType;
} cmsICCMeasurementConditions;
typedef struct {
cmsCIEXYZ IlluminantXYZ; // Not the same struct as CAM02,
cmsCIEXYZ SurroundXYZ; // This is for storing the tag
cmsUInt32Number IlluminantType; // viewing condition
} cmsICCViewingConditions;
// Get LittleCMS version (for shared objects) -----------------------------------------------------------------------------
CMSAPI int CMSEXPORT cmsGetEncodedCMMversion(void);
// Support of non-standard functions --------------------------------------------------------------------------------------
CMSAPI int CMSEXPORT cmsstrcasecmp(const char* s1, const char* s2);
CMSAPI long int CMSEXPORT cmsfilelength(FILE* f);
// Context handling --------------------------------------------------------------------------------------------------------
// Each context holds its owns globals and its own plug-ins. There is a global context with the id = 0 for lecacy compatibility
// though using the global context is not recommended. Proper context handling makes lcms more thread-safe.
typedef struct _cmsContext_struct* cmsContext;
CMSAPI cmsContext CMSEXPORT cmsCreateContext(void* Plugin, void* UserData);
CMSAPI void CMSEXPORT cmsDeleteContext(cmsContext ContextID);
CMSAPI cmsContext CMSEXPORT cmsDupContext(cmsContext ContextID, void* NewUserData);
CMSAPI void* CMSEXPORT cmsGetContextUserData(cmsContext ContextID);
// Plug-In registering --------------------------------------------------------------------------------------------------
CMSAPI cmsBool CMSEXPORT cmsPlugin(void* Plugin);
CMSAPI cmsBool CMSEXPORT cmsPluginTHR(cmsContext ContextID, void* Plugin);
CMSAPI void CMSEXPORT cmsUnregisterPlugins(void);
CMSAPI void CMSEXPORT cmsUnregisterPluginsTHR(cmsContext ContextID);
// Error logging ----------------------------------------------------------------------------------------------------------
// There is no error handling at all. When a function fails, it returns proper value.
// For example, all create functions does return NULL on failure. Other may return FALSE.
// It may be interesting, for the developer, to know why the function is failing.
// for that reason, lcms2 does offer a logging function. This function will get
// an ENGLISH string with some clues on what is going wrong. You can show this
// info to the end user if you wish, or just create some sort of log on disk.
// The logging function should NOT terminate the program, as this obviously can leave
// unfreed resources. It is the programmer's responsibility to check each function
// return code to make sure it didn't fail.
#define cmsERROR_UNDEFINED 0
#define cmsERROR_FILE 1
#define cmsERROR_RANGE 2
#define cmsERROR_INTERNAL 3
#define cmsERROR_NULL 4
#define cmsERROR_READ 5
#define cmsERROR_SEEK 6
#define cmsERROR_WRITE 7
#define cmsERROR_UNKNOWN_EXTENSION 8
#define cmsERROR_COLORSPACE_CHECK 9
#define cmsERROR_ALREADY_DEFINED 10
#define cmsERROR_BAD_SIGNATURE 11
#define cmsERROR_CORRUPTION_DETECTED 12
#define cmsERROR_NOT_SUITABLE 13
// Error logger is called with the ContextID when a message is raised. This gives the
// chance to know which thread is responsible of the warning and any environment associated
// with it. Non-multithreading applications may safely ignore this parameter.
// Note that under certain special circumstances, ContextID may be NULL.
typedef void (* cmsLogErrorHandlerFunction)(cmsContext ContextID, cmsUInt32Number ErrorCode, const char *Text);
// Allows user to set any specific logger
CMSAPI void CMSEXPORT cmsSetLogErrorHandler(cmsLogErrorHandlerFunction Fn);
CMSAPI void CMSEXPORT cmsSetLogErrorHandlerTHR(cmsContext ContextID, cmsLogErrorHandlerFunction Fn);
// Conversions --------------------------------------------------------------------------------------------------------------
// Returns pointers to constant structs
CMSAPI const cmsCIEXYZ* CMSEXPORT cmsD50_XYZ(void);
CMSAPI const cmsCIExyY* CMSEXPORT cmsD50_xyY(void);
// Colorimetric space conversions
CMSAPI void CMSEXPORT cmsXYZ2xyY(cmsCIExyY* Dest, const cmsCIEXYZ* Source);
CMSAPI void CMSEXPORT cmsxyY2XYZ(cmsCIEXYZ* Dest, const cmsCIExyY* Source);
CMSAPI void CMSEXPORT cmsXYZ2Lab(const cmsCIEXYZ* WhitePoint, cmsCIELab* Lab, const cmsCIEXYZ* xyz);
CMSAPI void CMSEXPORT cmsLab2XYZ(const cmsCIEXYZ* WhitePoint, cmsCIEXYZ* xyz, const cmsCIELab* Lab);
CMSAPI void CMSEXPORT cmsLab2LCh(cmsCIELCh*LCh, const cmsCIELab* Lab);
CMSAPI void CMSEXPORT cmsLCh2Lab(cmsCIELab* Lab, const cmsCIELCh* LCh);
// Encoding /Decoding on PCS
CMSAPI void CMSEXPORT cmsLabEncoded2Float(cmsCIELab* Lab, const cmsUInt16Number wLab[3]);
CMSAPI void CMSEXPORT cmsLabEncoded2FloatV2(cmsCIELab* Lab, const cmsUInt16Number wLab[3]);
CMSAPI void CMSEXPORT cmsFloat2LabEncoded(cmsUInt16Number wLab[3], const cmsCIELab* Lab);
CMSAPI void CMSEXPORT cmsFloat2LabEncodedV2(cmsUInt16Number wLab[3], const cmsCIELab* Lab);
CMSAPI void CMSEXPORT cmsXYZEncoded2Float(cmsCIEXYZ* fxyz, const cmsUInt16Number XYZ[3]);
CMSAPI void CMSEXPORT cmsFloat2XYZEncoded(cmsUInt16Number XYZ[3], const cmsCIEXYZ* fXYZ);
// DeltaE metrics
CMSAPI cmsFloat64Number CMSEXPORT cmsDeltaE(const cmsCIELab* Lab1, const cmsCIELab* Lab2);
CMSAPI cmsFloat64Number CMSEXPORT cmsCIE94DeltaE(const cmsCIELab* Lab1, const cmsCIELab* Lab2);
CMSAPI cmsFloat64Number CMSEXPORT cmsBFDdeltaE(const cmsCIELab* Lab1, const cmsCIELab* Lab2);
CMSAPI cmsFloat64Number CMSEXPORT cmsCMCdeltaE(const cmsCIELab* Lab1, const cmsCIELab* Lab2, cmsFloat64Number l, cmsFloat64Number c);
CMSAPI cmsFloat64Number CMSEXPORT cmsCIE2000DeltaE(const cmsCIELab* Lab1, const cmsCIELab* Lab2, cmsFloat64Number Kl, cmsFloat64Number Kc, cmsFloat64Number Kh);
// Temperature <-> Chromaticity (Black body)
CMSAPI cmsBool CMSEXPORT cmsWhitePointFromTemp(cmsCIExyY* WhitePoint, cmsFloat64Number TempK);
CMSAPI cmsBool CMSEXPORT cmsTempFromWhitePoint(cmsFloat64Number* TempK, const cmsCIExyY* WhitePoint);
// Chromatic adaptation
CMSAPI cmsBool CMSEXPORT cmsAdaptToIlluminant(cmsCIEXYZ* Result, const cmsCIEXYZ* SourceWhitePt,
const cmsCIEXYZ* Illuminant,
const cmsCIEXYZ* Value);
// CIECAM02 ---------------------------------------------------------------------------------------------------
// Viewing conditions. Please note those are CAM model viewing conditions, and not the ICC tag viewing
// conditions, which I'm naming cmsICCViewingConditions to make differences evident. Unfortunately, the tag
// cannot deal with surround La, Yb and D value so is basically useless to store CAM02 viewing conditions.
#define AVG_SURROUND 1
#define DIM_SURROUND 2
#define DARK_SURROUND 3
#define CUTSHEET_SURROUND 4
#define D_CALCULATE (-1)
typedef struct {
cmsCIEXYZ whitePoint;
cmsFloat64Number Yb;
cmsFloat64Number La;
cmsUInt32Number surround;
cmsFloat64Number D_value;
} cmsViewingConditions;
CMSAPI cmsHANDLE CMSEXPORT cmsCIECAM02Init(cmsContext ContextID, const cmsViewingConditions* pVC);
CMSAPI void CMSEXPORT cmsCIECAM02Done(cmsHANDLE hModel);
CMSAPI void CMSEXPORT cmsCIECAM02Forward(cmsHANDLE hModel, const cmsCIEXYZ* pIn, cmsJCh* pOut);
CMSAPI void CMSEXPORT cmsCIECAM02Reverse(cmsHANDLE hModel, const cmsJCh* pIn, cmsCIEXYZ* pOut);
// Tone curves -----------------------------------------------------------------------------------------
// This describes a curve segment. For a table of supported types, see the manual. User can increase the number of
// available types by using a proper plug-in. Parametric segments allow 10 parameters at most
typedef struct {
cmsFloat32Number x0, x1; // Domain; for x0 < x <= x1
cmsInt32Number Type; // Parametric type, Type == 0 means sampled segment. Negative values are reserved
cmsFloat64Number Params[10]; // Parameters if Type != 0
cmsUInt32Number nGridPoints; // Number of grid points if Type == 0
cmsFloat32Number* SampledPoints; // Points to an array of floats if Type == 0
} cmsCurveSegment;
// The internal representation is none of your business.
typedef struct _cms_curve_struct cmsToneCurve;
CMSAPI cmsToneCurve* CMSEXPORT cmsBuildSegmentedToneCurve(cmsContext ContextID, cmsUInt32Number nSegments, const cmsCurveSegment Segments[]);
CMSAPI cmsToneCurve* CMSEXPORT cmsBuildParametricToneCurve(cmsContext ContextID, cmsInt32Number Type, const cmsFloat64Number Params[]);
CMSAPI cmsToneCurve* CMSEXPORT cmsBuildGamma(cmsContext ContextID, cmsFloat64Number Gamma);
CMSAPI cmsToneCurve* CMSEXPORT cmsBuildTabulatedToneCurve16(cmsContext ContextID, cmsUInt32Number nEntries, const cmsUInt16Number values[]);
CMSAPI cmsToneCurve* CMSEXPORT cmsBuildTabulatedToneCurveFloat(cmsContext ContextID, cmsUInt32Number nEntries, const cmsFloat32Number values[]);
CMSAPI void CMSEXPORT cmsFreeToneCurve(cmsToneCurve* Curve);
CMSAPI void CMSEXPORT cmsFreeToneCurveTriple(cmsToneCurve* Curve[3]);
CMSAPI cmsToneCurve* CMSEXPORT cmsDupToneCurve(const cmsToneCurve* Src);
CMSAPI cmsToneCurve* CMSEXPORT cmsReverseToneCurve(const cmsToneCurve* InGamma);
CMSAPI cmsToneCurve* CMSEXPORT cmsReverseToneCurveEx(cmsUInt32Number nResultSamples, const cmsToneCurve* InGamma);
CMSAPI cmsToneCurve* CMSEXPORT cmsJoinToneCurve(cmsContext ContextID, const cmsToneCurve* X, const cmsToneCurve* Y, cmsUInt32Number nPoints);
CMSAPI cmsBool CMSEXPORT cmsSmoothToneCurve(cmsToneCurve* Tab, cmsFloat64Number lambda);
CMSAPI cmsFloat32Number CMSEXPORT cmsEvalToneCurveFloat(const cmsToneCurve* Curve, cmsFloat32Number v);
CMSAPI cmsUInt16Number CMSEXPORT cmsEvalToneCurve16(const cmsToneCurve* Curve, cmsUInt16Number v);
CMSAPI cmsBool CMSEXPORT cmsIsToneCurveMultisegment(const cmsToneCurve* InGamma);
CMSAPI cmsBool CMSEXPORT cmsIsToneCurveLinear(const cmsToneCurve* Curve);
CMSAPI cmsBool CMSEXPORT cmsIsToneCurveMonotonic(const cmsToneCurve* t);
CMSAPI cmsBool CMSEXPORT cmsIsToneCurveDescending(const cmsToneCurve* t);
CMSAPI cmsInt32Number CMSEXPORT cmsGetToneCurveParametricType(const cmsToneCurve* t);
CMSAPI cmsFloat64Number CMSEXPORT cmsEstimateGamma(const cmsToneCurve* t, cmsFloat64Number Precision);
CMSAPI cmsFloat64Number* CMSEXPORT cmsGetToneCurveParams(const cmsToneCurve* t);
// Tone curve tabular estimation
CMSAPI cmsUInt32Number CMSEXPORT cmsGetToneCurveEstimatedTableEntries(const cmsToneCurve* t);
CMSAPI const cmsUInt16Number* CMSEXPORT cmsGetToneCurveEstimatedTable(const cmsToneCurve* t);
// Implements pipelines of multi-processing elements -------------------------------------------------------------
// Nothing to see here, move along
typedef struct _cmsPipeline_struct cmsPipeline;
typedef struct _cmsStage_struct cmsStage;
// Those are hi-level pipelines
CMSAPI cmsPipeline* CMSEXPORT cmsPipelineAlloc(cmsContext ContextID, cmsUInt32Number InputChannels, cmsUInt32Number OutputChannels);
CMSAPI void CMSEXPORT cmsPipelineFree(cmsPipeline* lut);
CMSAPI cmsPipeline* CMSEXPORT cmsPipelineDup(const cmsPipeline* Orig);
CMSAPI cmsContext CMSEXPORT cmsGetPipelineContextID(const cmsPipeline* lut);
CMSAPI cmsUInt32Number CMSEXPORT cmsPipelineInputChannels(const cmsPipeline* lut);
CMSAPI cmsUInt32Number CMSEXPORT cmsPipelineOutputChannels(const cmsPipeline* lut);
CMSAPI cmsUInt32Number CMSEXPORT cmsPipelineStageCount(const cmsPipeline* lut);
CMSAPI cmsStage* CMSEXPORT cmsPipelineGetPtrToFirstStage(const cmsPipeline* lut);
CMSAPI cmsStage* CMSEXPORT cmsPipelineGetPtrToLastStage(const cmsPipeline* lut);
CMSAPI void CMSEXPORT cmsPipelineEval16(const cmsUInt16Number In[], cmsUInt16Number Out[], const cmsPipeline* lut);
CMSAPI void CMSEXPORT cmsPipelineEvalFloat(const cmsFloat32Number In[], cmsFloat32Number Out[], const cmsPipeline* lut);
CMSAPI cmsBool CMSEXPORT cmsPipelineEvalReverseFloat(cmsFloat32Number Target[], cmsFloat32Number Result[], cmsFloat32Number Hint[], const cmsPipeline* lut);
CMSAPI cmsBool CMSEXPORT cmsPipelineCat(cmsPipeline* l1, const cmsPipeline* l2);
CMSAPI cmsBool CMSEXPORT cmsPipelineSetSaveAs8bitsFlag(cmsPipeline* lut, cmsBool On);
// Where to place/locate the stages in the pipeline chain
typedef enum { cmsAT_BEGIN, cmsAT_END } cmsStageLoc;
CMSAPI cmsBool CMSEXPORT cmsPipelineInsertStage(cmsPipeline* lut, cmsStageLoc loc, cmsStage* mpe);
CMSAPI void CMSEXPORT cmsPipelineUnlinkStage(cmsPipeline* lut, cmsStageLoc loc, cmsStage** mpe);
// This function is quite useful to analyze the structure of a Pipeline and retrieve the Stage elements
// that conform the Pipeline. It should be called with the Pipeline, the number of expected elements and
// then a list of expected types followed with a list of double pointers to Stage elements. If
// the function founds a match with current pipeline, it fills the pointers and returns TRUE
// if not, returns FALSE without touching anything.
CMSAPI cmsBool CMSEXPORT cmsPipelineCheckAndRetreiveStages(const cmsPipeline* Lut, cmsUInt32Number n, ...);
// Matrix has double precision and CLUT has only float precision. That is because an ICC profile can encode
// matrices with far more precision that CLUTS
CMSAPI cmsStage* CMSEXPORT cmsStageAllocIdentity(cmsContext ContextID, cmsUInt32Number nChannels);
CMSAPI cmsStage* CMSEXPORT cmsStageAllocToneCurves(cmsContext ContextID, cmsUInt32Number nChannels, cmsToneCurve* const Curves[]);
CMSAPI cmsStage* CMSEXPORT cmsStageAllocMatrix(cmsContext ContextID, cmsUInt32Number Rows, cmsUInt32Number Cols, const cmsFloat64Number* Matrix, const cmsFloat64Number* Offset);
CMSAPI cmsStage* CMSEXPORT cmsStageAllocCLut16bit(cmsContext ContextID, cmsUInt32Number nGridPoints, cmsUInt32Number inputChan, cmsUInt32Number outputChan, const cmsUInt16Number* Table);
CMSAPI cmsStage* CMSEXPORT cmsStageAllocCLutFloat(cmsContext ContextID, cmsUInt32Number nGridPoints, cmsUInt32Number inputChan, cmsUInt32Number outputChan, const cmsFloat32Number* Table);
CMSAPI cmsStage* CMSEXPORT cmsStageAllocCLut16bitGranular(cmsContext ContextID, const cmsUInt32Number clutPoints[], cmsUInt32Number inputChan, cmsUInt32Number outputChan, const cmsUInt16Number* Table);
CMSAPI cmsStage* CMSEXPORT cmsStageAllocCLutFloatGranular(cmsContext ContextID, const cmsUInt32Number clutPoints[], cmsUInt32Number inputChan, cmsUInt32Number outputChan, const cmsFloat32Number* Table);
CMSAPI cmsStage* CMSEXPORT cmsStageDup(cmsStage* mpe);
CMSAPI void CMSEXPORT cmsStageFree(cmsStage* mpe);
CMSAPI cmsStage* CMSEXPORT cmsStageNext(const cmsStage* mpe);
CMSAPI cmsUInt32Number CMSEXPORT cmsStageInputChannels(const cmsStage* mpe);
CMSAPI cmsUInt32Number CMSEXPORT cmsStageOutputChannels(const cmsStage* mpe);
CMSAPI cmsStageSignature CMSEXPORT cmsStageType(const cmsStage* mpe);
CMSAPI void* CMSEXPORT cmsStageData(const cmsStage* mpe);
// Sampling
typedef cmsInt32Number (* cmsSAMPLER16) (CMSREGISTER const cmsUInt16Number In[],
CMSREGISTER cmsUInt16Number Out[],
CMSREGISTER void * Cargo);
typedef cmsInt32Number (* cmsSAMPLERFLOAT)(CMSREGISTER const cmsFloat32Number In[],
CMSREGISTER cmsFloat32Number Out[],
CMSREGISTER void * Cargo);
// Use this flag to prevent changes being written to destination
#define SAMPLER_INSPECT 0x01000000
// For CLUT only
CMSAPI cmsBool CMSEXPORT cmsStageSampleCLut16bit(cmsStage* mpe, cmsSAMPLER16 Sampler, void* Cargo, cmsUInt32Number dwFlags);
CMSAPI cmsBool CMSEXPORT cmsStageSampleCLutFloat(cmsStage* mpe, cmsSAMPLERFLOAT Sampler, void* Cargo, cmsUInt32Number dwFlags);
// Slicers
CMSAPI cmsBool CMSEXPORT cmsSliceSpace16(cmsUInt32Number nInputs, const cmsUInt32Number clutPoints[],
cmsSAMPLER16 Sampler, void * Cargo);
CMSAPI cmsBool CMSEXPORT cmsSliceSpaceFloat(cmsUInt32Number nInputs, const cmsUInt32Number clutPoints[],
cmsSAMPLERFLOAT Sampler, void * Cargo);
// Multilocalized Unicode management ---------------------------------------------------------------------------------------
typedef struct _cms_MLU_struct cmsMLU;
#define cmsNoLanguage "\0\0"
#define cmsNoCountry "\0\0"
CMSAPI cmsMLU* CMSEXPORT cmsMLUalloc(cmsContext ContextID, cmsUInt32Number nItems);
CMSAPI void CMSEXPORT cmsMLUfree(cmsMLU* mlu);
CMSAPI cmsMLU* CMSEXPORT cmsMLUdup(const cmsMLU* mlu);
CMSAPI cmsBool CMSEXPORT cmsMLUsetASCII(cmsMLU* mlu,
const char LanguageCode[3], const char CountryCode[3],
const char* ASCIIString);
CMSAPI cmsBool CMSEXPORT cmsMLUsetWide(cmsMLU* mlu,
const char LanguageCode[3], const char CountryCode[3],
const wchar_t* WideString);
CMSAPI cmsUInt32Number CMSEXPORT cmsMLUgetASCII(const cmsMLU* mlu,
const char LanguageCode[3], const char CountryCode[3],
char* Buffer, cmsUInt32Number BufferSize);
CMSAPI cmsUInt32Number CMSEXPORT cmsMLUgetWide(const cmsMLU* mlu,
const char LanguageCode[3], const char CountryCode[3],
wchar_t* Buffer, cmsUInt32Number BufferSize);
CMSAPI cmsBool CMSEXPORT cmsMLUgetTranslation(const cmsMLU* mlu,
const char LanguageCode[3], const char CountryCode[3],
char ObtainedLanguage[3], char ObtainedCountry[3]);
CMSAPI cmsUInt32Number CMSEXPORT cmsMLUtranslationsCount(const cmsMLU* mlu);
CMSAPI cmsBool CMSEXPORT cmsMLUtranslationsCodes(const cmsMLU* mlu,
cmsUInt32Number idx,
char LanguageCode[3],
char CountryCode[3]);
// Undercolorremoval & black generation -------------------------------------------------------------------------------------
typedef struct {
cmsToneCurve* Ucr;
cmsToneCurve* Bg;
cmsMLU* Desc;
} cmsUcrBg;
// Screening ----------------------------------------------------------------------------------------------------------------
#define cmsPRINTER_DEFAULT_SCREENS 0x0001
#define cmsFREQUENCE_UNITS_LINES_CM 0x0000
#define cmsFREQUENCE_UNITS_LINES_INCH 0x0002
#define cmsSPOT_UNKNOWN 0
#define cmsSPOT_PRINTER_DEFAULT 1
#define cmsSPOT_ROUND 2
#define cmsSPOT_DIAMOND 3
#define cmsSPOT_ELLIPSE 4
#define cmsSPOT_LINE 5
#define cmsSPOT_SQUARE 6
#define cmsSPOT_CROSS 7
typedef struct {
cmsFloat64Number Frequency;
cmsFloat64Number ScreenAngle;
cmsUInt32Number SpotShape;
} cmsScreeningChannel;
typedef struct {
cmsUInt32Number Flag;
cmsUInt32Number nChannels;
cmsScreeningChannel Channels[cmsMAXCHANNELS];
} cmsScreening;
// Named color -----------------------------------------------------------------------------------------------------------------
typedef struct _cms_NAMEDCOLORLIST_struct cmsNAMEDCOLORLIST;
CMSAPI cmsNAMEDCOLORLIST* CMSEXPORT cmsAllocNamedColorList(cmsContext ContextID,
cmsUInt32Number n,
cmsUInt32Number ColorantCount,
const char* Prefix, const char* Suffix);
CMSAPI void CMSEXPORT cmsFreeNamedColorList(cmsNAMEDCOLORLIST* v);
CMSAPI cmsNAMEDCOLORLIST* CMSEXPORT cmsDupNamedColorList(const cmsNAMEDCOLORLIST* v);
CMSAPI cmsBool CMSEXPORT cmsAppendNamedColor(cmsNAMEDCOLORLIST* v, const char* Name,
cmsUInt16Number PCS[3],
cmsUInt16Number Colorant[cmsMAXCHANNELS]);
CMSAPI cmsUInt32Number CMSEXPORT cmsNamedColorCount(const cmsNAMEDCOLORLIST* v);
CMSAPI cmsInt32Number CMSEXPORT cmsNamedColorIndex(const cmsNAMEDCOLORLIST* v, const char* Name);
CMSAPI cmsBool CMSEXPORT cmsNamedColorInfo(const cmsNAMEDCOLORLIST* NamedColorList, cmsUInt32Number nColor,
char* Name,
char* Prefix,
char* Suffix,
cmsUInt16Number* PCS,
cmsUInt16Number* Colorant);
// Retrieve named color list from transform
CMSAPI cmsNAMEDCOLORLIST* CMSEXPORT cmsGetNamedColorList(cmsHTRANSFORM xform);
// Profile sequence -----------------------------------------------------------------------------------------------------
// Profile sequence descriptor. Some fields come from profile sequence descriptor tag, others
// come from Profile Sequence Identifier Tag
typedef struct {
cmsSignature deviceMfg;
cmsSignature deviceModel;
cmsUInt64Number attributes;
cmsTechnologySignature technology;
cmsProfileID ProfileID;
cmsMLU* Manufacturer;
cmsMLU* Model;
cmsMLU* Description;
} cmsPSEQDESC;
typedef struct {
cmsUInt32Number n;
cmsContext ContextID;
cmsPSEQDESC* seq;
} cmsSEQ;
CMSAPI cmsSEQ* CMSEXPORT cmsAllocProfileSequenceDescription(cmsContext ContextID, cmsUInt32Number n);
CMSAPI cmsSEQ* CMSEXPORT cmsDupProfileSequenceDescription(const cmsSEQ* pseq);
CMSAPI void CMSEXPORT cmsFreeProfileSequenceDescription(cmsSEQ* pseq);
// Dictionaries --------------------------------------------------------------------------------------------------------
typedef struct _cmsDICTentry_struct {
struct _cmsDICTentry_struct* Next;
cmsMLU *DisplayName;
cmsMLU *DisplayValue;
wchar_t* Name;
wchar_t* Value;
} cmsDICTentry;
CMSAPI cmsHANDLE CMSEXPORT cmsDictAlloc(cmsContext ContextID);
CMSAPI void CMSEXPORT cmsDictFree(cmsHANDLE hDict);
CMSAPI cmsHANDLE CMSEXPORT cmsDictDup(cmsHANDLE hDict);
CMSAPI cmsBool CMSEXPORT cmsDictAddEntry(cmsHANDLE hDict, const wchar_t* Name, const wchar_t* Value, const cmsMLU *DisplayName, const cmsMLU *DisplayValue);
CMSAPI const cmsDICTentry* CMSEXPORT cmsDictGetEntryList(cmsHANDLE hDict);
CMSAPI const cmsDICTentry* CMSEXPORT cmsDictNextEntry(const cmsDICTentry* e);
// Access to Profile data ----------------------------------------------------------------------------------------------
CMSAPI cmsHPROFILE CMSEXPORT cmsCreateProfilePlaceholder(cmsContext ContextID);
CMSAPI cmsContext CMSEXPORT cmsGetProfileContextID(cmsHPROFILE hProfile);
CMSAPI cmsInt32Number CMSEXPORT cmsGetTagCount(cmsHPROFILE hProfile);
CMSAPI cmsTagSignature CMSEXPORT cmsGetTagSignature(cmsHPROFILE hProfile, cmsUInt32Number n);
CMSAPI cmsBool CMSEXPORT cmsIsTag(cmsHPROFILE hProfile, cmsTagSignature sig);
// Read and write pre-formatted data
CMSAPI void* CMSEXPORT cmsReadTag(cmsHPROFILE hProfile, cmsTagSignature sig);
CMSAPI cmsBool CMSEXPORT cmsWriteTag(cmsHPROFILE hProfile, cmsTagSignature sig, const void* data);
CMSAPI cmsBool CMSEXPORT cmsLinkTag(cmsHPROFILE hProfile, cmsTagSignature sig, cmsTagSignature dest);
CMSAPI cmsTagSignature CMSEXPORT cmsTagLinkedTo(cmsHPROFILE hProfile, cmsTagSignature sig);
// Read and write raw data
CMSAPI cmsUInt32Number CMSEXPORT cmsReadRawTag(cmsHPROFILE hProfile, cmsTagSignature sig, void* Buffer, cmsUInt32Number BufferSize);
CMSAPI cmsBool CMSEXPORT cmsWriteRawTag(cmsHPROFILE hProfile, cmsTagSignature sig, const void* data, cmsUInt32Number Size);
// Access header data
#define cmsEmbeddedProfileFalse 0x00000000
#define cmsEmbeddedProfileTrue 0x00000001
#define cmsUseAnywhere 0x00000000
#define cmsUseWithEmbeddedDataOnly 0x00000002
CMSAPI cmsUInt32Number CMSEXPORT cmsGetHeaderFlags(cmsHPROFILE hProfile);
CMSAPI void CMSEXPORT cmsGetHeaderAttributes(cmsHPROFILE hProfile, cmsUInt64Number* Flags);
CMSAPI void CMSEXPORT cmsGetHeaderProfileID(cmsHPROFILE hProfile, cmsUInt8Number* ProfileID);
CMSAPI cmsBool CMSEXPORT cmsGetHeaderCreationDateTime(cmsHPROFILE hProfile, struct tm *Dest);
CMSAPI cmsUInt32Number CMSEXPORT cmsGetHeaderRenderingIntent(cmsHPROFILE hProfile);
CMSAPI void CMSEXPORT cmsSetHeaderFlags(cmsHPROFILE hProfile, cmsUInt32Number Flags);
CMSAPI cmsUInt32Number CMSEXPORT cmsGetHeaderManufacturer(cmsHPROFILE hProfile);
CMSAPI void CMSEXPORT cmsSetHeaderManufacturer(cmsHPROFILE hProfile, cmsUInt32Number manufacturer);
CMSAPI cmsUInt32Number CMSEXPORT cmsGetHeaderCreator(cmsHPROFILE hProfile);
CMSAPI cmsUInt32Number CMSEXPORT cmsGetHeaderModel(cmsHPROFILE hProfile);
CMSAPI void CMSEXPORT cmsSetHeaderModel(cmsHPROFILE hProfile, cmsUInt32Number model);
CMSAPI void CMSEXPORT cmsSetHeaderAttributes(cmsHPROFILE hProfile, cmsUInt64Number Flags);
CMSAPI void CMSEXPORT cmsSetHeaderProfileID(cmsHPROFILE hProfile, cmsUInt8Number* ProfileID);
CMSAPI void CMSEXPORT cmsSetHeaderRenderingIntent(cmsHPROFILE hProfile, cmsUInt32Number RenderingIntent);
CMSAPI cmsColorSpaceSignature
CMSEXPORT cmsGetPCS(cmsHPROFILE hProfile);
CMSAPI void CMSEXPORT cmsSetPCS(cmsHPROFILE hProfile, cmsColorSpaceSignature pcs);
CMSAPI cmsColorSpaceSignature
CMSEXPORT cmsGetColorSpace(cmsHPROFILE hProfile);
CMSAPI void CMSEXPORT cmsSetColorSpace(cmsHPROFILE hProfile, cmsColorSpaceSignature sig);
CMSAPI cmsProfileClassSignature
CMSEXPORT cmsGetDeviceClass(cmsHPROFILE hProfile);
CMSAPI void CMSEXPORT cmsSetDeviceClass(cmsHPROFILE hProfile, cmsProfileClassSignature sig);
CMSAPI void CMSEXPORT cmsSetProfileVersion(cmsHPROFILE hProfile, cmsFloat64Number Version);
CMSAPI cmsFloat64Number CMSEXPORT cmsGetProfileVersion(cmsHPROFILE hProfile);
CMSAPI cmsUInt32Number CMSEXPORT cmsGetEncodedICCversion(cmsHPROFILE hProfile);
CMSAPI void CMSEXPORT cmsSetEncodedICCversion(cmsHPROFILE hProfile, cmsUInt32Number Version);
// How profiles may be used
#define LCMS_USED_AS_INPUT 0
#define LCMS_USED_AS_OUTPUT 1
#define LCMS_USED_AS_PROOF 2
CMSAPI cmsBool CMSEXPORT cmsIsIntentSupported(cmsHPROFILE hProfile, cmsUInt32Number Intent, cmsUInt32Number UsedDirection);
CMSAPI cmsBool CMSEXPORT cmsIsMatrixShaper(cmsHPROFILE hProfile);
CMSAPI cmsBool CMSEXPORT cmsIsCLUT(cmsHPROFILE hProfile, cmsUInt32Number Intent, cmsUInt32Number UsedDirection);
// Translate form/to our notation to ICC
CMSAPI cmsColorSpaceSignature CMSEXPORT _cmsICCcolorSpace(int OurNotation);
CMSAPI int CMSEXPORT _cmsLCMScolorSpace(cmsColorSpaceSignature ProfileSpace);
CMSAPI cmsUInt32Number CMSEXPORT cmsChannelsOf(cmsColorSpaceSignature ColorSpace);
// Build a suitable formatter for the colorspace of this profile. nBytes=1 means 8 bits, nBytes=2 means 16 bits.
CMSAPI cmsUInt32Number CMSEXPORT cmsFormatterForColorspaceOfProfile(cmsHPROFILE hProfile, cmsUInt32Number nBytes, cmsBool lIsFloat);
CMSAPI cmsUInt32Number CMSEXPORT cmsFormatterForPCSOfProfile(cmsHPROFILE hProfile, cmsUInt32Number nBytes, cmsBool lIsFloat);
// Localized info
typedef enum {
cmsInfoDescription = 0,
cmsInfoManufacturer = 1,
cmsInfoModel = 2,
cmsInfoCopyright = 3
} cmsInfoType;
CMSAPI cmsUInt32Number CMSEXPORT cmsGetProfileInfo(cmsHPROFILE hProfile, cmsInfoType Info,
const char LanguageCode[3], const char CountryCode[3],
wchar_t* Buffer, cmsUInt32Number BufferSize);
CMSAPI cmsUInt32Number CMSEXPORT cmsGetProfileInfoASCII(cmsHPROFILE hProfile, cmsInfoType Info,
const char LanguageCode[3], const char CountryCode[3],
char* Buffer, cmsUInt32Number BufferSize);
// IO handlers ----------------------------------------------------------------------------------------------------------
typedef struct _cms_io_handler cmsIOHANDLER;
CMSAPI cmsIOHANDLER* CMSEXPORT cmsOpenIOhandlerFromFile(cmsContext ContextID, const char* FileName, const char* AccessMode);
CMSAPI cmsIOHANDLER* CMSEXPORT cmsOpenIOhandlerFromStream(cmsContext ContextID, FILE* Stream);
CMSAPI cmsIOHANDLER* CMSEXPORT cmsOpenIOhandlerFromMem(cmsContext ContextID, void *Buffer, cmsUInt32Number size, const char* AccessMode);
CMSAPI cmsIOHANDLER* CMSEXPORT cmsOpenIOhandlerFromNULL(cmsContext ContextID);
CMSAPI cmsIOHANDLER* CMSEXPORT cmsGetProfileIOhandler(cmsHPROFILE hProfile);
CMSAPI cmsBool CMSEXPORT cmsCloseIOhandler(cmsIOHANDLER* io);
// MD5 message digest --------------------------------------------------------------------------------------------------
CMSAPI cmsBool CMSEXPORT cmsMD5computeID(cmsHPROFILE hProfile);
// Profile high level functions ------------------------------------------------------------------------------------------
CMSAPI cmsHPROFILE CMSEXPORT cmsOpenProfileFromFile(const char *ICCProfile, const char *sAccess);
CMSAPI cmsHPROFILE CMSEXPORT cmsOpenProfileFromFileTHR(cmsContext ContextID, const char *ICCProfile, const char *sAccess);
CMSAPI cmsHPROFILE CMSEXPORT cmsOpenProfileFromStream(FILE* ICCProfile, const char* sAccess);
CMSAPI cmsHPROFILE CMSEXPORT cmsOpenProfileFromStreamTHR(cmsContext ContextID, FILE* ICCProfile, const char* sAccess);
CMSAPI cmsHPROFILE CMSEXPORT cmsOpenProfileFromMem(const void * MemPtr, cmsUInt32Number dwSize);
CMSAPI cmsHPROFILE CMSEXPORT cmsOpenProfileFromMemTHR(cmsContext ContextID, const void * MemPtr, cmsUInt32Number dwSize);
CMSAPI cmsHPROFILE CMSEXPORT cmsOpenProfileFromIOhandlerTHR(cmsContext ContextID, cmsIOHANDLER* io);
CMSAPI cmsHPROFILE CMSEXPORT cmsOpenProfileFromIOhandler2THR(cmsContext ContextID, cmsIOHANDLER* io, cmsBool write);
CMSAPI cmsBool CMSEXPORT cmsCloseProfile(cmsHPROFILE hProfile);
CMSAPI cmsBool CMSEXPORT cmsSaveProfileToFile(cmsHPROFILE hProfile, const char* FileName);
CMSAPI cmsBool CMSEXPORT cmsSaveProfileToStream(cmsHPROFILE hProfile, FILE* Stream);
CMSAPI cmsBool CMSEXPORT cmsSaveProfileToMem(cmsHPROFILE hProfile, void *MemPtr, cmsUInt32Number* BytesNeeded);
CMSAPI cmsUInt32Number CMSEXPORT cmsSaveProfileToIOhandler(cmsHPROFILE hProfile, cmsIOHANDLER* io);
// Predefined virtual profiles ------------------------------------------------------------------------------------------
CMSAPI cmsHPROFILE CMSEXPORT cmsCreateRGBProfileTHR(cmsContext ContextID,
const cmsCIExyY* WhitePoint,
const cmsCIExyYTRIPLE* Primaries,
cmsToneCurve* const TransferFunction[3]);
CMSAPI cmsHPROFILE CMSEXPORT cmsCreateRGBProfile(const cmsCIExyY* WhitePoint,
const cmsCIExyYTRIPLE* Primaries,
cmsToneCurve* const TransferFunction[3]);
CMSAPI cmsHPROFILE CMSEXPORT cmsCreateGrayProfileTHR(cmsContext ContextID,
const cmsCIExyY* WhitePoint,
const cmsToneCurve* TransferFunction);
CMSAPI cmsHPROFILE CMSEXPORT cmsCreateGrayProfile(const cmsCIExyY* WhitePoint,
const cmsToneCurve* TransferFunction);
CMSAPI cmsHPROFILE CMSEXPORT cmsCreateLinearizationDeviceLinkTHR(cmsContext ContextID,
cmsColorSpaceSignature ColorSpace,
cmsToneCurve* const TransferFunctions[]);
CMSAPI cmsHPROFILE CMSEXPORT cmsCreateLinearizationDeviceLink(cmsColorSpaceSignature ColorSpace,
cmsToneCurve* const TransferFunctions[]);
CMSAPI cmsHPROFILE CMSEXPORT cmsCreateInkLimitingDeviceLinkTHR(cmsContext ContextID,
cmsColorSpaceSignature ColorSpace, cmsFloat64Number Limit);
CMSAPI cmsHPROFILE CMSEXPORT cmsCreateInkLimitingDeviceLink(cmsColorSpaceSignature ColorSpace, cmsFloat64Number Limit);
CMSAPI cmsHPROFILE CMSEXPORT cmsCreateLab2ProfileTHR(cmsContext ContextID, const cmsCIExyY* WhitePoint);
CMSAPI cmsHPROFILE CMSEXPORT cmsCreateLab2Profile(const cmsCIExyY* WhitePoint);
CMSAPI cmsHPROFILE CMSEXPORT cmsCreateLab4ProfileTHR(cmsContext ContextID, const cmsCIExyY* WhitePoint);
CMSAPI cmsHPROFILE CMSEXPORT cmsCreateLab4Profile(const cmsCIExyY* WhitePoint);
CMSAPI cmsHPROFILE CMSEXPORT cmsCreateXYZProfileTHR(cmsContext ContextID);
CMSAPI cmsHPROFILE CMSEXPORT cmsCreateXYZProfile(void);
CMSAPI cmsHPROFILE CMSEXPORT cmsCreate_sRGBProfileTHR(cmsContext ContextID);
CMSAPI cmsHPROFILE CMSEXPORT cmsCreate_sRGBProfile(void);
CMSAPI cmsHPROFILE CMSEXPORT cmsCreateBCHSWabstractProfileTHR(cmsContext ContextID,
cmsUInt32Number nLUTPoints,
cmsFloat64Number Bright,
cmsFloat64Number Contrast,
cmsFloat64Number Hue,
cmsFloat64Number Saturation,
cmsUInt32Number TempSrc,
cmsUInt32Number TempDest);
CMSAPI cmsHPROFILE CMSEXPORT cmsCreateBCHSWabstractProfile(cmsUInt32Number nLUTPoints,
cmsFloat64Number Bright,
cmsFloat64Number Contrast,
cmsFloat64Number Hue,
cmsFloat64Number Saturation,
cmsUInt32Number TempSrc,
cmsUInt32Number TempDest);
CMSAPI cmsHPROFILE CMSEXPORT cmsCreateNULLProfileTHR(cmsContext ContextID);
CMSAPI cmsHPROFILE CMSEXPORT cmsCreateNULLProfile(void);
// Converts a transform to a devicelink profile
CMSAPI cmsHPROFILE CMSEXPORT cmsTransform2DeviceLink(cmsHTRANSFORM hTransform, cmsFloat64Number Version, cmsUInt32Number dwFlags);
// Intents ----------------------------------------------------------------------------------------------
// ICC Intents
#define INTENT_PERCEPTUAL 0
#define INTENT_RELATIVE_COLORIMETRIC 1
#define INTENT_SATURATION 2
#define INTENT_ABSOLUTE_COLORIMETRIC 3
// Non-ICC intents
#define INTENT_PRESERVE_K_ONLY_PERCEPTUAL 10
#define INTENT_PRESERVE_K_ONLY_RELATIVE_COLORIMETRIC 11
#define INTENT_PRESERVE_K_ONLY_SATURATION 12
#define INTENT_PRESERVE_K_PLANE_PERCEPTUAL 13
#define INTENT_PRESERVE_K_PLANE_RELATIVE_COLORIMETRIC 14
#define INTENT_PRESERVE_K_PLANE_SATURATION 15
// Call with NULL as parameters to get the intent count
CMSAPI cmsUInt32Number CMSEXPORT cmsGetSupportedIntents(cmsUInt32Number nMax, cmsUInt32Number* Codes, char** Descriptions);
CMSAPI cmsUInt32Number CMSEXPORT cmsGetSupportedIntentsTHR(cmsContext ContextID, cmsUInt32Number nMax, cmsUInt32Number* Codes, char** Descriptions);
// Flags
#define cmsFLAGS_NOCACHE 0x0040 // Inhibit 1-pixel cache
#define cmsFLAGS_NOOPTIMIZE 0x0100 // Inhibit optimizations
#define cmsFLAGS_NULLTRANSFORM 0x0200 // Don't transform anyway
// Proofing flags
#define cmsFLAGS_GAMUTCHECK 0x1000 // Out of Gamut alarm
#define cmsFLAGS_SOFTPROOFING 0x4000 // Do softproofing
// Misc
#define cmsFLAGS_BLACKPOINTCOMPENSATION 0x2000
#define cmsFLAGS_NOWHITEONWHITEFIXUP 0x0004 // Don't fix scum dot
#define cmsFLAGS_HIGHRESPRECALC 0x0400 // Use more memory to give better accuracy
#define cmsFLAGS_LOWRESPRECALC 0x0800 // Use less memory to minimize resources
// For devicelink creation
#define cmsFLAGS_8BITS_DEVICELINK 0x0008 // Create 8 bits devicelinks
#define cmsFLAGS_GUESSDEVICECLASS 0x0020 // Guess device class (for transform2devicelink)
#define cmsFLAGS_KEEP_SEQUENCE 0x0080 // Keep profile sequence for devicelink creation
// Specific to a particular optimizations
#define cmsFLAGS_FORCE_CLUT 0x0002 // Force CLUT optimization
#define cmsFLAGS_CLUT_POST_LINEARIZATION 0x0001 // create postlinearization tables if possible
#define cmsFLAGS_CLUT_PRE_LINEARIZATION 0x0010 // create prelinearization tables if possible
// Specific to unbounded mode
#define cmsFLAGS_NONEGATIVES 0x8000 // Prevent negative numbers in floating point transforms
// Copy alpha channels when transforming
#define cmsFLAGS_COPY_ALPHA 0x04000000 // Alpha channels are copied on cmsDoTransform()
// Fine-tune control over number of gridpoints
#define cmsFLAGS_GRIDPOINTS(n) (((n) & 0xFF) << 16)
// CRD special
#define cmsFLAGS_NODEFAULTRESOURCEDEF 0x01000000
// Transforms ---------------------------------------------------------------------------------------------------
CMSAPI cmsHTRANSFORM CMSEXPORT cmsCreateTransformTHR(cmsContext ContextID,
cmsHPROFILE Input,
cmsUInt32Number InputFormat,
cmsHPROFILE Output,
cmsUInt32Number OutputFormat,
cmsUInt32Number Intent,
cmsUInt32Number dwFlags);
CMSAPI cmsHTRANSFORM CMSEXPORT cmsCreateTransform(cmsHPROFILE Input,
cmsUInt32Number InputFormat,
cmsHPROFILE Output,
cmsUInt32Number OutputFormat,
cmsUInt32Number Intent,
cmsUInt32Number dwFlags);
CMSAPI cmsHTRANSFORM CMSEXPORT cmsCreateProofingTransformTHR(cmsContext ContextID,
cmsHPROFILE Input,
cmsUInt32Number InputFormat,
cmsHPROFILE Output,
cmsUInt32Number OutputFormat,
cmsHPROFILE Proofing,
cmsUInt32Number Intent,
cmsUInt32Number ProofingIntent,
cmsUInt32Number dwFlags);
CMSAPI cmsHTRANSFORM CMSEXPORT cmsCreateProofingTransform(cmsHPROFILE Input,
cmsUInt32Number InputFormat,
cmsHPROFILE Output,
cmsUInt32Number OutputFormat,
cmsHPROFILE Proofing,
cmsUInt32Number Intent,
cmsUInt32Number ProofingIntent,
cmsUInt32Number dwFlags);
CMSAPI cmsHTRANSFORM CMSEXPORT cmsCreateMultiprofileTransformTHR(cmsContext ContextID,
cmsHPROFILE hProfiles[],
cmsUInt32Number nProfiles,
cmsUInt32Number InputFormat,
cmsUInt32Number OutputFormat,
cmsUInt32Number Intent,
cmsUInt32Number dwFlags);
CMSAPI cmsHTRANSFORM CMSEXPORT cmsCreateMultiprofileTransform(cmsHPROFILE hProfiles[],
cmsUInt32Number nProfiles,
cmsUInt32Number InputFormat,
cmsUInt32Number OutputFormat,
cmsUInt32Number Intent,
cmsUInt32Number dwFlags);
CMSAPI cmsHTRANSFORM CMSEXPORT cmsCreateExtendedTransform(cmsContext ContextID,
cmsUInt32Number nProfiles, cmsHPROFILE hProfiles[],
cmsBool BPC[],
cmsUInt32Number Intents[],
cmsFloat64Number AdaptationStates[],
cmsHPROFILE hGamutProfile,
cmsUInt32Number nGamutPCSposition,
cmsUInt32Number InputFormat,
cmsUInt32Number OutputFormat,
cmsUInt32Number dwFlags);
CMSAPI void CMSEXPORT cmsDeleteTransform(cmsHTRANSFORM hTransform);
CMSAPI void CMSEXPORT cmsDoTransform(cmsHTRANSFORM Transform,
const void * InputBuffer,
void * OutputBuffer,
cmsUInt32Number Size);
CMSAPI void CMSEXPORT cmsDoTransformStride(cmsHTRANSFORM Transform, // Deprecated
const void * InputBuffer,
void * OutputBuffer,
cmsUInt32Number Size,
cmsUInt32Number Stride);
CMSAPI void CMSEXPORT cmsDoTransformLineStride(cmsHTRANSFORM Transform,
const void* InputBuffer,
void* OutputBuffer,
cmsUInt32Number PixelsPerLine,
cmsUInt32Number LineCount,
cmsUInt32Number BytesPerLineIn,
cmsUInt32Number BytesPerLineOut,
cmsUInt32Number BytesPerPlaneIn,
cmsUInt32Number BytesPerPlaneOut);
CMSAPI void CMSEXPORT cmsSetAlarmCodes(const cmsUInt16Number NewAlarm[cmsMAXCHANNELS]);
CMSAPI void CMSEXPORT cmsGetAlarmCodes(cmsUInt16Number NewAlarm[cmsMAXCHANNELS]);
CMSAPI void CMSEXPORT cmsSetAlarmCodesTHR(cmsContext ContextID,
const cmsUInt16Number AlarmCodes[cmsMAXCHANNELS]);
CMSAPI void CMSEXPORT cmsGetAlarmCodesTHR(cmsContext ContextID,
cmsUInt16Number AlarmCodes[cmsMAXCHANNELS]);
// Adaptation state for absolute colorimetric intent
CMSAPI cmsFloat64Number CMSEXPORT cmsSetAdaptationState(cmsFloat64Number d);
CMSAPI cmsFloat64Number CMSEXPORT cmsSetAdaptationStateTHR(cmsContext ContextID, cmsFloat64Number d);
// Grab the ContextID from an open transform. Returns NULL if a NULL transform is passed
CMSAPI cmsContext CMSEXPORT cmsGetTransformContextID(cmsHTRANSFORM hTransform);
// Grab the input/output formats
CMSAPI cmsUInt32Number CMSEXPORT cmsGetTransformInputFormat(cmsHTRANSFORM hTransform);
CMSAPI cmsUInt32Number CMSEXPORT cmsGetTransformOutputFormat(cmsHTRANSFORM hTransform);
// For backwards compatibility
CMSAPI cmsBool CMSEXPORT cmsChangeBuffersFormat(cmsHTRANSFORM hTransform,
cmsUInt32Number InputFormat,
cmsUInt32Number OutputFormat);
// PostScript ColorRenderingDictionary and ColorSpaceArray ----------------------------------------------------
typedef enum { cmsPS_RESOURCE_CSA, cmsPS_RESOURCE_CRD } cmsPSResourceType;
// lcms2 unified method to access postscript color resources
CMSAPI cmsUInt32Number CMSEXPORT cmsGetPostScriptColorResource(cmsContext ContextID,
cmsPSResourceType Type,
cmsHPROFILE hProfile,
cmsUInt32Number Intent,
cmsUInt32Number dwFlags,
cmsIOHANDLER* io);
CMSAPI cmsUInt32Number CMSEXPORT cmsGetPostScriptCSA(cmsContext ContextID, cmsHPROFILE hProfile, cmsUInt32Number Intent, cmsUInt32Number dwFlags, void* Buffer, cmsUInt32Number dwBufferLen);
CMSAPI cmsUInt32Number CMSEXPORT cmsGetPostScriptCRD(cmsContext ContextID, cmsHPROFILE hProfile, cmsUInt32Number Intent, cmsUInt32Number dwFlags, void* Buffer, cmsUInt32Number dwBufferLen);
// IT8.7 / CGATS.17-200x handling -----------------------------------------------------------------------------
CMSAPI cmsHANDLE CMSEXPORT cmsIT8Alloc(cmsContext ContextID);
CMSAPI void CMSEXPORT cmsIT8Free(cmsHANDLE hIT8);
// Tables
CMSAPI cmsUInt32Number CMSEXPORT cmsIT8TableCount(cmsHANDLE hIT8);
CMSAPI cmsInt32Number CMSEXPORT cmsIT8SetTable(cmsHANDLE hIT8, cmsUInt32Number nTable);
// Persistence
CMSAPI cmsHANDLE CMSEXPORT cmsIT8LoadFromFile(cmsContext ContextID, const char* cFileName);
CMSAPI cmsHANDLE CMSEXPORT cmsIT8LoadFromMem(cmsContext ContextID, const void *Ptr, cmsUInt32Number len);
// CMSAPI cmsHANDLE CMSEXPORT cmsIT8LoadFromIOhandler(cmsContext ContextID, cmsIOHANDLER* io);
CMSAPI cmsBool CMSEXPORT cmsIT8SaveToFile(cmsHANDLE hIT8, const char* cFileName);
CMSAPI cmsBool CMSEXPORT cmsIT8SaveToMem(cmsHANDLE hIT8, void *MemPtr, cmsUInt32Number* BytesNeeded);
// Properties
CMSAPI const char* CMSEXPORT cmsIT8GetSheetType(cmsHANDLE hIT8);
CMSAPI cmsBool CMSEXPORT cmsIT8SetSheetType(cmsHANDLE hIT8, const char* Type);
CMSAPI cmsBool CMSEXPORT cmsIT8SetComment(cmsHANDLE hIT8, const char* cComment);
CMSAPI cmsBool CMSEXPORT cmsIT8SetPropertyStr(cmsHANDLE hIT8, const char* cProp, const char *Str);
CMSAPI cmsBool CMSEXPORT cmsIT8SetPropertyDbl(cmsHANDLE hIT8, const char* cProp, cmsFloat64Number Val);
CMSAPI cmsBool CMSEXPORT cmsIT8SetPropertyHex(cmsHANDLE hIT8, const char* cProp, cmsUInt32Number Val);
CMSAPI cmsBool CMSEXPORT cmsIT8SetPropertyMulti(cmsHANDLE hIT8, const char* Key, const char* SubKey, const char *Buffer);
CMSAPI cmsBool CMSEXPORT cmsIT8SetPropertyUncooked(cmsHANDLE hIT8, const char* Key, const char* Buffer);
CMSAPI const char* CMSEXPORT cmsIT8GetProperty(cmsHANDLE hIT8, const char* cProp);
CMSAPI cmsFloat64Number CMSEXPORT cmsIT8GetPropertyDbl(cmsHANDLE hIT8, const char* cProp);
CMSAPI const char* CMSEXPORT cmsIT8GetPropertyMulti(cmsHANDLE hIT8, const char* Key, const char *SubKey);
CMSAPI cmsUInt32Number CMSEXPORT cmsIT8EnumProperties(cmsHANDLE hIT8, char ***PropertyNames);
CMSAPI cmsUInt32Number CMSEXPORT cmsIT8EnumPropertyMulti(cmsHANDLE hIT8, const char* cProp, const char ***SubpropertyNames);
// Datasets
CMSAPI const char* CMSEXPORT cmsIT8GetDataRowCol(cmsHANDLE hIT8, int row, int col);
CMSAPI cmsFloat64Number CMSEXPORT cmsIT8GetDataRowColDbl(cmsHANDLE hIT8, int row, int col);
CMSAPI cmsBool CMSEXPORT cmsIT8SetDataRowCol(cmsHANDLE hIT8, int row, int col,
const char* Val);
CMSAPI cmsBool CMSEXPORT cmsIT8SetDataRowColDbl(cmsHANDLE hIT8, int row, int col,
cmsFloat64Number Val);
CMSAPI const char* CMSEXPORT cmsIT8GetData(cmsHANDLE hIT8, const char* cPatch, const char* cSample);
CMSAPI cmsFloat64Number CMSEXPORT cmsIT8GetDataDbl(cmsHANDLE hIT8, const char* cPatch, const char* cSample);
CMSAPI cmsBool CMSEXPORT cmsIT8SetData(cmsHANDLE hIT8, const char* cPatch,
const char* cSample,
const char *Val);
CMSAPI cmsBool CMSEXPORT cmsIT8SetDataDbl(cmsHANDLE hIT8, const char* cPatch,
const char* cSample,
cmsFloat64Number Val);
CMSAPI int CMSEXPORT cmsIT8FindDataFormat(cmsHANDLE hIT8, const char* cSample);
CMSAPI cmsBool CMSEXPORT cmsIT8SetDataFormat(cmsHANDLE hIT8, int n, const char *Sample);
CMSAPI int CMSEXPORT cmsIT8EnumDataFormat(cmsHANDLE hIT8, char ***SampleNames);
CMSAPI const char* CMSEXPORT cmsIT8GetPatchName(cmsHANDLE hIT8, int nPatch, char* buffer);
CMSAPI int CMSEXPORT cmsIT8GetPatchByName(cmsHANDLE hIT8, const char *cPatch);
// The LABEL extension
CMSAPI int CMSEXPORT cmsIT8SetTableByLabel(cmsHANDLE hIT8, const char* cSet, const char* cField, const char* ExpectedType);
CMSAPI cmsBool CMSEXPORT cmsIT8SetIndexColumn(cmsHANDLE hIT8, const char* cSample);
// Formatter for double
CMSAPI void CMSEXPORT cmsIT8DefineDblFormat(cmsHANDLE hIT8, const char* Formatter);
// Gamut boundary description routines ------------------------------------------------------------------------------
CMSAPI cmsHANDLE CMSEXPORT cmsGBDAlloc(cmsContext ContextID);
CMSAPI void CMSEXPORT cmsGBDFree(cmsHANDLE hGBD);
CMSAPI cmsBool CMSEXPORT cmsGDBAddPoint(cmsHANDLE hGBD, const cmsCIELab* Lab);
CMSAPI cmsBool CMSEXPORT cmsGDBCompute(cmsHANDLE hGDB, cmsUInt32Number dwFlags);
CMSAPI cmsBool CMSEXPORT cmsGDBCheckPoint(cmsHANDLE hGBD, const cmsCIELab* Lab);
// Feature detection ----------------------------------------------------------------------------------------------
// Estimate the black point
CMSAPI cmsBool CMSEXPORT cmsDetectBlackPoint(cmsCIEXYZ* BlackPoint, cmsHPROFILE hProfile, cmsUInt32Number Intent, cmsUInt32Number dwFlags);
CMSAPI cmsBool CMSEXPORT cmsDetectDestinationBlackPoint(cmsCIEXYZ* BlackPoint, cmsHPROFILE hProfile, cmsUInt32Number Intent, cmsUInt32Number dwFlags);
// Estimate total area coverage
CMSAPI cmsFloat64Number CMSEXPORT cmsDetectTAC(cmsHPROFILE hProfile);
// Poor man's gamut mapping
CMSAPI cmsBool CMSEXPORT cmsDesaturateLab(cmsCIELab* Lab,
double amax, double amin,
double bmax, double bmin);
#ifndef CMS_USE_CPP_API
# ifdef __cplusplus
}
# endif
#endif
#define _lcms2_H
#endif
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