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Diffstat (limited to 'third_party/lcms2-2.6/src/lcms2_internal.h')
| -rw-r--r-- | third_party/lcms2-2.6/src/lcms2_internal.h | 1032 |
1 files changed, 0 insertions, 1032 deletions
diff --git a/third_party/lcms2-2.6/src/lcms2_internal.h b/third_party/lcms2-2.6/src/lcms2_internal.h deleted file mode 100644 index cc76d488d0..0000000000 --- a/third_party/lcms2-2.6/src/lcms2_internal.h +++ /dev/null @@ -1,1032 +0,0 @@ -//<<<+++OPENSOURCE -//<<<+++OPENSOURCE_MUST_BEGIN COMMENT==TRUE -// -// Little Color Management System -// Copyright (c) 1998-2014 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 "third_party/lcms2-2.6/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, VC2003 are broken on that -#if defined(__BORLANDC__) || (_MSC_VER < 1400) // 1400 == VC++ 8.0 -#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 _cmsALIGNLONG(x) (((x)+(sizeof(cmsUInt32Number)-1)) & ~(sizeof(cmsUInt32Number)-1)) - -// Alignment to memory pointer -#define _cmsALIGNMEM(x) (((x)+(sizeof(void *) - 1)) & ~(sizeof(void *) - 1)) - -// 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 - - -// 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) ((((cmsUInt32Number)(rgb) * 65281U + 8388608U) >> 24) & 0xFFU) - -// 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); -} - - -// Pthread support -------------------------------------------------------------------- -#ifndef CMS_NO_PTHREADS - -// This is the threading support. Unfortunately, it has to be platform-dependent because -// windows does not support pthreads. - -#ifdef CMS_IS_WINDOWS_ - -#define WIN32_LEAN_AND_MEAN 1 -#include <windows.h> - - -// From: http://locklessinc.com/articles/pthreads_on_windows/ -// The pthreads API has an initialization macro that has no correspondence to anything in -// the windows API. By investigating the internal definition of the critical section type, -// one may work out how to initialize one without calling InitializeCriticalSection(). -// The trick here is that InitializeCriticalSection() is not allowed to fail. It tries -// to allocate a critical section debug object, but if no memory is available, it sets -// the pointer to a specific value. (One would expect that value to be NULL, but it is -// actually (void *)-1 for some reason.) Thus we can use this special value for that -// pointer, and the critical section code will work. - -// The other important part of the critical section type to initialize is the number -// of waiters. This controls whether or not the mutex is locked. Fortunately, this -// part of the critical section is unlikely to change. Apparently, many programs -// already test critical sections to see if they are locked using this value, so -// Microsoft felt that it was necessary to keep it set at -1 for an unlocked critical -// section, even when they changed the underlying algorithm to be more scalable. -// The final parts of the critical section object are unimportant, and can be set -// to zero for their defaults. This yields an initialization macro: - -typedef CRITICAL_SECTION _cmsMutex; - -#define CMS_MUTEX_INITIALIZER {(void*) -1,-1,0,0,0,0} - -cmsINLINE int _cmsLockPrimitive(_cmsMutex *m) -{ - EnterCriticalSection(m); - return 0; -} - -cmsINLINE int _cmsUnlockPrimitive(_cmsMutex *m) -{ - LeaveCriticalSection(m); - return 0; -} - -cmsINLINE int _cmsInitMutexPrimitive(_cmsMutex *m) -{ - InitializeCriticalSection(m); - return 0; -} - -cmsINLINE int _cmsDestroyMutexPrimitive(_cmsMutex *m) -{ - DeleteCriticalSection(m); - return 0; -} - -cmsINLINE int _cmsEnterCriticalSectionPrimitive(_cmsMutex *m) -{ - EnterCriticalSection(m); - return 0; -} - -cmsINLINE int _cmsLeaveCriticalSectionPrimitive(_cmsMutex *m) -{ - LeaveCriticalSection(m); - return 0; -} - -#else - -// Rest of the wide world -#include <pthread.h> - -#define CMS_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER -typedef pthread_mutex_t _cmsMutex; - - -cmsINLINE int _cmsLockPrimitive(_cmsMutex *m) -{ - return pthread_mutex_lock(m); -} - -cmsINLINE int _cmsUnlockPrimitive(_cmsMutex *m) -{ - return pthread_mutex_unlock(m); -} - -cmsINLINE int _cmsInitMutexPrimitive(_cmsMutex *m) -{ - return pthread_mutex_init(m, NULL); -} - -cmsINLINE int _cmsDestroyMutexPrimitive(_cmsMutex *m) -{ - return pthread_mutex_destroy(m); -} - -cmsINLINE int _cmsEnterCriticalSectionPrimitive(_cmsMutex *m) -{ - return pthread_mutex_lock(m); -} - -cmsINLINE int _cmsLeaveCriticalSectionPrimitive(_cmsMutex *m) -{ - return pthread_mutex_unlock(m); -} - -#endif -#else - -#define CMS_MUTEX_INITIALIZER 0 -typedef int _cmsMutex; - - -cmsINLINE int _cmsLockPrimitive(_cmsMutex *m) -{ - return 0; - cmsUNUSED_PARAMETER(m); -} - -cmsINLINE int _cmsUnlockPrimitive(_cmsMutex *m) -{ - return 0; - cmsUNUSED_PARAMETER(m); -} - -cmsINLINE int _cmsInitMutexPrimitive(_cmsMutex *m) -{ - return 0; - cmsUNUSED_PARAMETER(m); -} - -cmsINLINE int _cmsDestroyMutexPrimitive(_cmsMutex *m) -{ - return 0; - cmsUNUSED_PARAMETER(m); -} - -cmsINLINE int _cmsEnterCriticalSectionPrimitive(_cmsMutex *m) -{ - return 0; - cmsUNUSED_PARAMETER(m); -} - -cmsINLINE int _cmsLeaveCriticalSectionPrimitive(_cmsMutex *m) -{ - return 0; - cmsUNUSED_PARAMETER(m); -} -#endif - -// Plug-In registration --------------------------------------------------------------- - -// Specialized function for plug-in memory management. No pairing free() since whole pool is freed at once. -void* _cmsPluginMalloc(cmsContext ContextID, cmsUInt32Number size); - -// Memory management -cmsBool _cmsRegisterMemHandlerPlugin(cmsContext ContextID, cmsPluginBase* Plugin); - -// Interpolation -cmsBool _cmsRegisterInterpPlugin(cmsContext ContextID, cmsPluginBase* Plugin); - -// Parametric curves -cmsBool _cmsRegisterParametricCurvesPlugin(cmsContext ContextID, cmsPluginBase* Plugin); - -// Formatters management -cmsBool _cmsRegisterFormattersPlugin(cmsContext ContextID, cmsPluginBase* Plugin); - -// Tag type management -cmsBool _cmsRegisterTagTypePlugin(cmsContext ContextID, cmsPluginBase* Plugin); - -// Tag management -cmsBool _cmsRegisterTagPlugin(cmsContext ContextID, cmsPluginBase* Plugin); - -// Intent management -cmsBool _cmsRegisterRenderingIntentPlugin(cmsContext ContextID, cmsPluginBase* Plugin); - -// Multi Process elements -cmsBool _cmsRegisterMultiProcessElementPlugin(cmsContext ContextID, cmsPluginBase* Plugin); - -// Optimization -cmsBool _cmsRegisterOptimizationPlugin(cmsContext ContextID, cmsPluginBase* Plugin); - -// Transform -cmsBool _cmsRegisterTransformPlugin(cmsContext ContextID, cmsPluginBase* Plugin); - -// Mutex -cmsBool _cmsRegisterMutexPlugin(cmsContext ContextID, cmsPluginBase* Plugin); - -// --------------------------------------------------------------------------------------------------------- - -// Suballocators. -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); -void* _cmsSubAllocDup(_cmsSubAllocator* s, const void *ptr, cmsUInt32Number size); - -// ---------------------------------------------------------------------------------- - -// The context clients. -typedef enum { - - UserPtr, // User-defined pointer - Logger, - AlarmCodesContext, - AdaptationStateContext, - MemPlugin, - InterpPlugin, - CurvesPlugin, - FormattersPlugin, - TagTypePlugin, - TagPlugin, - IntentPlugin, - MPEPlugin, - OptimizationPlugin, - TransformPlugin, - MutexPlugin, - - // Last in list - MemoryClientMax - -} _cmsMemoryClient; - - -// Container for memory management plug-in. -typedef struct { - - _cmsMallocFnPtrType MallocPtr; - _cmsMalloZerocFnPtrType MallocZeroPtr; - _cmsFreeFnPtrType FreePtr; - _cmsReallocFnPtrType ReallocPtr; - _cmsCallocFnPtrType CallocPtr; - _cmsDupFnPtrType DupPtr; - -} _cmsMemPluginChunkType; - -// Copy memory management function pointers from plug-in to chunk, taking care of missing routines -void _cmsInstallAllocFunctions(cmsPluginMemHandler* Plugin, _cmsMemPluginChunkType* ptr); - -// Internal structure for context -struct _cmsContext_struct { - - struct _cmsContext_struct* Next; // Points to next context in the new style - _cmsSubAllocator* MemPool; // The memory pool that stores context data - - void* chunks[MemoryClientMax]; // array of pointers to client chunks. Memory itself is hold in the suballocator. - // If NULL, then it reverts to global Context0 - - _cmsMemPluginChunkType DefaultMemoryManager; // The allocators used for creating the context itself. Cannot be overriden -}; - -// Returns a pointer to a valid context structure, including the global one if id is zero. -// Verifies the magic number. -struct _cmsContext_struct* _cmsGetContext(cmsContext ContextID); - -// Returns the block assigned to the specific zone. -void* _cmsContextGetClientChunk(cmsContext id, _cmsMemoryClient mc); - - -// Chunks of context memory by plug-in client ------------------------------------------------------- - -// Those structures encapsulates all variables needed by the several context clients (mostly plug-ins) - -// Container for error logger -- not a plug-in -typedef struct { - - cmsLogErrorHandlerFunction LogErrorHandler; // Set to NULL for Context0 fallback - -} _cmsLogErrorChunkType; - -// The global Context0 storage for error logger -extern _cmsLogErrorChunkType _cmsLogErrorChunk; - -// Allocate and init error logger container. -void _cmsAllocLogErrorChunk(struct _cmsContext_struct* ctx, - const struct _cmsContext_struct* src); - -// Container for alarm codes -- not a plug-in -typedef struct { - - cmsUInt16Number AlarmCodes[cmsMAXCHANNELS]; - -} _cmsAlarmCodesChunkType; - -// The global Context0 storage for alarm codes -extern _cmsAlarmCodesChunkType _cmsAlarmCodesChunk; - -// Allocate and init alarm codes container. -void _cmsAllocAlarmCodesChunk(struct _cmsContext_struct* ctx, - const struct _cmsContext_struct* src); - -// Container for adaptation state -- not a plug-in -typedef struct { - - cmsFloat64Number AdaptationState; - -} _cmsAdaptationStateChunkType; - -// The global Context0 storage for adaptation state -extern _cmsAdaptationStateChunkType _cmsAdaptationStateChunk; - -// Allocate and init adaptation state container. -void _cmsAllocAdaptationStateChunk(struct _cmsContext_struct* ctx, - const struct _cmsContext_struct* src); - - -// The global Context0 storage for memory management -extern _cmsMemPluginChunkType _cmsMemPluginChunk; - -// Allocate and init memory management container. -void _cmsAllocMemPluginChunk(struct _cmsContext_struct* ctx, - const struct _cmsContext_struct* src); - -// Container for interpolation plug-in -typedef struct { - - cmsInterpFnFactory Interpolators; - -} _cmsInterpPluginChunkType; - -// The global Context0 storage for interpolation plug-in -extern _cmsInterpPluginChunkType _cmsInterpPluginChunk; - -// Allocate and init interpolation container. -void _cmsAllocInterpPluginChunk(struct _cmsContext_struct* ctx, - const struct _cmsContext_struct* src); - -// Container for parametric curves plug-in -typedef struct { - - struct _cmsParametricCurvesCollection_st* ParametricCurves; - -} _cmsCurvesPluginChunkType; - -// The global Context0 storage for tone curves plug-in -extern _cmsCurvesPluginChunkType _cmsCurvesPluginChunk; - -// Allocate and init parametric curves container. -void _cmsAllocCurvesPluginChunk(struct _cmsContext_struct* ctx, - const struct _cmsContext_struct* src); - -// Container for formatters plug-in -typedef struct { - - struct _cms_formatters_factory_list* FactoryList; - -} _cmsFormattersPluginChunkType; - -// The global Context0 storage for formatters plug-in -extern _cmsFormattersPluginChunkType _cmsFormattersPluginChunk; - -// Allocate and init formatters container. -void _cmsAllocFormattersPluginChunk(struct _cmsContext_struct* ctx, - const struct _cmsContext_struct* src); - -// This chunk type is shared by TagType plug-in and MPE Plug-in -typedef struct { - - struct _cmsTagTypeLinkedList_st* TagTypes; - -} _cmsTagTypePluginChunkType; - - -// The global Context0 storage for tag types plug-in -extern _cmsTagTypePluginChunkType _cmsTagTypePluginChunk; - - -// The global Context0 storage for mult process elements plug-in -extern _cmsTagTypePluginChunkType _cmsMPETypePluginChunk; - -// Allocate and init Tag types container. -void _cmsAllocTagTypePluginChunk(struct _cmsContext_struct* ctx, - const struct _cmsContext_struct* src); -// Allocate and init MPE container. -void _cmsAllocMPETypePluginChunk(struct _cmsContext_struct* ctx, - const struct _cmsContext_struct* src); -// Container for tag plug-in -typedef struct { - - struct _cmsTagLinkedList_st* Tag; - -} _cmsTagPluginChunkType; - - -// The global Context0 storage for tag plug-in -extern _cmsTagPluginChunkType _cmsTagPluginChunk; - -// Allocate and init Tag container. -void _cmsAllocTagPluginChunk(struct _cmsContext_struct* ctx, - const struct _cmsContext_struct* src); - -// Container for intents plug-in -typedef struct { - - struct _cms_intents_list* Intents; - -} _cmsIntentsPluginChunkType; - - -// The global Context0 storage for intents plug-in -extern _cmsIntentsPluginChunkType _cmsIntentsPluginChunk; - -// Allocate and init intents container. -void _cmsAllocIntentsPluginChunk(struct _cmsContext_struct* ctx, - const struct _cmsContext_struct* src); - -// Container for optimization plug-in -typedef struct { - - struct _cmsOptimizationCollection_st* OptimizationCollection; - -} _cmsOptimizationPluginChunkType; - - -// The global Context0 storage for optimizers plug-in -extern _cmsOptimizationPluginChunkType _cmsOptimizationPluginChunk; - -// Allocate and init optimizers container. -void _cmsAllocOptimizationPluginChunk(struct _cmsContext_struct* ctx, - const struct _cmsContext_struct* src); - -// Container for transform plug-in -typedef struct { - - struct _cmsTransformCollection_st* TransformCollection; - -} _cmsTransformPluginChunkType; - -// The global Context0 storage for full-transform replacement plug-in -extern _cmsTransformPluginChunkType _cmsTransformPluginChunk; - -// Allocate and init transform container. -void _cmsAllocTransformPluginChunk(struct _cmsContext_struct* ctx, - const struct _cmsContext_struct* src); - -// Container for mutex plug-in -typedef struct { - - _cmsCreateMutexFnPtrType CreateMutexPtr; - _cmsDestroyMutexFnPtrType DestroyMutexPtr; - _cmsLockMutexFnPtrType LockMutexPtr; - _cmsUnlockMutexFnPtrType UnlockMutexPtr; - -} _cmsMutexPluginChunkType; - -// The global Context0 storage for mutex plug-in -extern _cmsMutexPluginChunkType _cmsMutexPluginChunk; - -// Allocate and init mutex container. -void _cmsAllocMutexPluginChunk(struct _cmsContext_struct* ctx, - const struct _cmsContext_struct* src); - -// ---------------------------------------------------------------------------------- -// MLU internal representation -typedef struct { - - cmsUInt16Number Language; - cmsUInt16Number Country; - - cmsUInt32Number StrW; // Offset to current unicode string - cmsUInt32Number Len; // Length 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[cmsMAXCHANNELS]; - -} _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; - cmsUInt32Number creator; - - 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; - - // Keep a mutex for cmsReadTag -- Note that this only works if the user includes a mutex plugin - void * UsrMutex; - -} _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(cmsContext ContextID, cmsTagTypeSignature sig); -cmsTagTypeSignature _cmsGetTagTrueType(cmsHPROFILE hProfile, cmsTagSignature sig); -cmsTagDescriptor* _cmsGetTagDescriptor(cmsContext ContextID, 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); -cmsBool _cmsSetInterpolationRoutine(cmsContext ContextID, 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; -}; - - -// 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, cmsBool UsePCS); -cmsStage* _cmsStageAllocIdentityCurves(cmsContext ContextID, int nChannels); -cmsStage* _cmsStageAllocIdentityCLut(cmsContext ContextID, int nChan); -cmsStage* _cmsStageNormalizeFromLabFloat(cmsContext ContextID); -cmsStage* _cmsStageNormalizeFromXyzFloat(cmsContext ContextID); -cmsStage* _cmsStageNormalizeToLabFloat(cmsContext ContextID); -cmsStage* _cmsStageNormalizeToXyzFloat(cmsContext ContextID); - -// 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; - _cmsFreeUserDataFn FreeDataFn; - _cmsDupUserDataFn DupDataFn; - - cmsContext ContextID; // Environment - - cmsBool SaveAs8Bits; // Implementation-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(cmsContext ContextID, - 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 ------------------------------------------------------------------------------------------------------------ - -#define cmsFLAGS_CAN_CHANGE_FORMATTER 0x02000000 // Allow change buffer format - -cmsBool _cmsFormatterIsFloat(cmsUInt32Number Type); -cmsBool _cmsFormatterIs8bit(cmsUInt32Number Type); - -cmsFormatter _cmsGetFormatter(cmsContext ContextID, - cmsUInt32Number Type, // Specific type, i.e. TYPE_RGB_8 - cmsFormatterDirection Dir, - cmsUInt32Number dwFlags); - - -#ifndef CMS_NO_HALF_SUPPORT - -// Half float -cmsFloat32Number _cmsHalf2Float(cmsUInt16Number h); -cmsUInt16Number _cmsFloat2Half(cmsFloat32Number flt); - -#endif - -// Transform logic ------------------------------------------------------------------------------------------------------ - -struct _cmstransform_struct; - -typedef struct { - - // 1-pixel cache (16 bits only) - cmsUInt16Number CacheIn[cmsMAXCHANNELS]; - cmsUInt16Number CacheOut[cmsMAXCHANNELS]; - -} _cmsCACHE; - - - -// Transformation -typedef struct _cmstransform_struct { - - cmsUInt32Number InputFormat, OutputFormat; // Keep formats for further reference - - // 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 seed for zero as input (16 bits, read only) - _cmsCACHE Cache; - - // A Pipeline holding the full (optimized) transform - cmsPipeline* Lut; - - // A Pipeline 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; - - // White points (informative only) - cmsCIEXYZ EntryWhitePoint; - cmsCIEXYZ ExitWhitePoint; - - // 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 - cmsUInt32Number RenderingIntent; - - // An id that uniquely identifies the running context. May be null. - cmsContext ContextID; - - // A user-defined pointer that can be used to store data for transform plug-ins - void* UserData; - _cmsFreeUserDataFn FreeUserData; - -} _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 -//<<<+++OPENSOURCE_MUST_END |