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Diffstat (limited to 'third_party/lcms2-2.6/include/lcms2_plugin.h')
| -rw-r--r-- | third_party/lcms2-2.6/include/lcms2_plugin.h | 637 |
1 files changed, 637 insertions, 0 deletions
diff --git a/third_party/lcms2-2.6/include/lcms2_plugin.h b/third_party/lcms2-2.6/include/lcms2_plugin.h new file mode 100644 index 0000000000..0c95d1f73c --- /dev/null +++ b/third_party/lcms2-2.6/include/lcms2_plugin.h @@ -0,0 +1,637 @@ +//--------------------------------------------------------------------------------- +// +// Little Color Management System +// Copyright (c) 1998-2011 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. +// +//--------------------------------------------------------------------------------- +// +// This is the plug-in header file. Normal LittleCMS clients should not use it. +// It is provided for plug-in writters that may want to access the support +// functions to do low level operations. All plug-in related structures +// are defined here. Including this file forces to include the standard API too. + +#ifndef _lcms_plugin_H + +// Deal with Microsoft's attempt at deprecating C standard runtime functions +#ifdef _MSC_VER +# if (_MSC_VER >= 1400) +# ifndef _CRT_SECURE_NO_DEPRECATE +# define _CRT_SECURE_NO_DEPRECATE +# endif +# ifndef _CRT_SECURE_NO_WARNINGS +# define _CRT_SECURE_NO_WARNINGS +# endif +# endif +#endif + +#ifndef _lcms2_H +#include "lcms2.h" +#endif + +// We need some standard C functions. +#include <stdlib.h> +#include <math.h> +#include <stdarg.h> +#include <memory.h> +#include <string.h> + + +#ifndef CMS_USE_CPP_API +# ifdef __cplusplus +extern "C" { +# endif +#endif + +// Vector & Matrix operations ----------------------------------------------------------------------- + +// Axis of the matrix/array. No specific meaning at all. +#define VX 0 +#define VY 1 +#define VZ 2 + +// Vectors +typedef struct { + cmsFloat64Number n[3]; + + } cmsVEC3; + +// 3x3 Matrix +typedef struct { + cmsVEC3 v[3]; + + } cmsMAT3; + +CMSAPI void CMSEXPORT _cmsVEC3init(cmsVEC3* r, cmsFloat64Number x, cmsFloat64Number y, cmsFloat64Number z); +CMSAPI void CMSEXPORT _cmsVEC3minus(cmsVEC3* r, const cmsVEC3* a, const cmsVEC3* b); +CMSAPI void CMSEXPORT _cmsVEC3cross(cmsVEC3* r, const cmsVEC3* u, const cmsVEC3* v); +CMSAPI cmsFloat64Number CMSEXPORT _cmsVEC3dot(const cmsVEC3* u, const cmsVEC3* v); +CMSAPI cmsFloat64Number CMSEXPORT _cmsVEC3length(const cmsVEC3* a); +CMSAPI cmsFloat64Number CMSEXPORT _cmsVEC3distance(const cmsVEC3* a, const cmsVEC3* b); + +CMSAPI void CMSEXPORT _cmsMAT3identity(cmsMAT3* a); +CMSAPI cmsBool CMSEXPORT _cmsMAT3isIdentity(const cmsMAT3* a); +CMSAPI void CMSEXPORT _cmsMAT3per(cmsMAT3* r, const cmsMAT3* a, const cmsMAT3* b); +CMSAPI cmsBool CMSEXPORT _cmsMAT3inverse(const cmsMAT3* a, cmsMAT3* b); +CMSAPI cmsBool CMSEXPORT _cmsMAT3solve(cmsVEC3* x, cmsMAT3* a, cmsVEC3* b); +CMSAPI void CMSEXPORT _cmsMAT3eval(cmsVEC3* r, const cmsMAT3* a, const cmsVEC3* v); + + +// Error logging ------------------------------------------------------------------------------------- + +CMSAPI void CMSEXPORT cmsSignalError(cmsContext ContextID, cmsUInt32Number ErrorCode, const char *ErrorText, ...); + +// Memory management ---------------------------------------------------------------------------------- + +CMSAPI void* CMSEXPORT _cmsMalloc(cmsContext ContextID, cmsUInt32Number size); +CMSAPI void* CMSEXPORT _cmsMallocZero(cmsContext ContextID, cmsUInt32Number size); +CMSAPI void* CMSEXPORT _cmsCalloc(cmsContext ContextID, cmsUInt32Number num, cmsUInt32Number size); +CMSAPI void* CMSEXPORT _cmsRealloc(cmsContext ContextID, void* Ptr, cmsUInt32Number NewSize); +CMSAPI void CMSEXPORT _cmsFree(cmsContext ContextID, void* Ptr); +CMSAPI void* CMSEXPORT _cmsDupMem(cmsContext ContextID, const void* Org, cmsUInt32Number size); + +// I/O handler ---------------------------------------------------------------------------------- + +struct _cms_io_handler { + + void* stream; // Associated stream, which is implemented differently depending on media. + + cmsContext ContextID; + cmsUInt32Number UsedSpace; + cmsUInt32Number ReportedSize; + char PhysicalFile[cmsMAX_PATH]; + + cmsUInt32Number (* Read)(struct _cms_io_handler* iohandler, void *Buffer, + cmsUInt32Number size, + cmsUInt32Number count); + cmsBool (* Seek)(struct _cms_io_handler* iohandler, cmsUInt32Number offset); + cmsBool (* Close)(struct _cms_io_handler* iohandler); + cmsUInt32Number (* Tell)(struct _cms_io_handler* iohandler); + cmsBool (* Write)(struct _cms_io_handler* iohandler, cmsUInt32Number size, + const void* Buffer); +}; + +// Endianess adjust functions +CMSAPI cmsUInt16Number CMSEXPORT _cmsAdjustEndianess16(cmsUInt16Number Word); +CMSAPI cmsUInt32Number CMSEXPORT _cmsAdjustEndianess32(cmsUInt32Number Value); +CMSAPI void CMSEXPORT _cmsAdjustEndianess64(cmsUInt64Number* Result, cmsUInt64Number* QWord); + +// Helper IO functions +CMSAPI cmsBool CMSEXPORT _cmsReadUInt8Number(cmsIOHANDLER* io, cmsUInt8Number* n); +CMSAPI cmsBool CMSEXPORT _cmsReadUInt16Number(cmsIOHANDLER* io, cmsUInt16Number* n); +CMSAPI cmsBool CMSEXPORT _cmsReadUInt32Number(cmsIOHANDLER* io, cmsUInt32Number* n); +CMSAPI cmsBool CMSEXPORT _cmsReadFloat32Number(cmsIOHANDLER* io, cmsFloat32Number* n); +CMSAPI cmsBool CMSEXPORT _cmsReadUInt64Number(cmsIOHANDLER* io, cmsUInt64Number* n); +CMSAPI cmsBool CMSEXPORT _cmsRead15Fixed16Number(cmsIOHANDLER* io, cmsFloat64Number* n); +CMSAPI cmsBool CMSEXPORT _cmsReadXYZNumber(cmsIOHANDLER* io, cmsCIEXYZ* XYZ); +CMSAPI cmsBool CMSEXPORT _cmsReadUInt16Array(cmsIOHANDLER* io, cmsUInt32Number n, cmsUInt16Number* Array); + +CMSAPI cmsBool CMSEXPORT _cmsWriteUInt8Number(cmsIOHANDLER* io, cmsUInt8Number n); +CMSAPI cmsBool CMSEXPORT _cmsWriteUInt16Number(cmsIOHANDLER* io, cmsUInt16Number n); +CMSAPI cmsBool CMSEXPORT _cmsWriteUInt32Number(cmsIOHANDLER* io, cmsUInt32Number n); +CMSAPI cmsBool CMSEXPORT _cmsWriteFloat32Number(cmsIOHANDLER* io, cmsFloat32Number n); +CMSAPI cmsBool CMSEXPORT _cmsWriteUInt64Number(cmsIOHANDLER* io, cmsUInt64Number* n); +CMSAPI cmsBool CMSEXPORT _cmsWrite15Fixed16Number(cmsIOHANDLER* io, cmsFloat64Number n); +CMSAPI cmsBool CMSEXPORT _cmsWriteXYZNumber(cmsIOHANDLER* io, const cmsCIEXYZ* XYZ); +CMSAPI cmsBool CMSEXPORT _cmsWriteUInt16Array(cmsIOHANDLER* io, cmsUInt32Number n, const cmsUInt16Number* Array); + +// ICC base tag +typedef struct { + cmsTagTypeSignature sig; + cmsInt8Number reserved[4]; + +} _cmsTagBase; + +// Type base helper functions +CMSAPI cmsTagTypeSignature CMSEXPORT _cmsReadTypeBase(cmsIOHANDLER* io); +CMSAPI cmsBool CMSEXPORT _cmsWriteTypeBase(cmsIOHANDLER* io, cmsTagTypeSignature sig); + +// Alignment functions +CMSAPI cmsBool CMSEXPORT _cmsReadAlignment(cmsIOHANDLER* io); +CMSAPI cmsBool CMSEXPORT _cmsWriteAlignment(cmsIOHANDLER* io); + +// To deal with text streams. 2K at most +CMSAPI cmsBool CMSEXPORT _cmsIOPrintf(cmsIOHANDLER* io, const char* frm, ...); + +// Fixed point helper functions +CMSAPI cmsFloat64Number CMSEXPORT _cms8Fixed8toDouble(cmsUInt16Number fixed8); +CMSAPI cmsUInt16Number CMSEXPORT _cmsDoubleTo8Fixed8(cmsFloat64Number val); + +CMSAPI cmsFloat64Number CMSEXPORT _cms15Fixed16toDouble(cmsS15Fixed16Number fix32); +CMSAPI cmsS15Fixed16Number CMSEXPORT _cmsDoubleTo15Fixed16(cmsFloat64Number v); + +// Date/time helper functions +CMSAPI void CMSEXPORT _cmsEncodeDateTimeNumber(cmsDateTimeNumber *Dest, const struct tm *Source); +CMSAPI void CMSEXPORT _cmsDecodeDateTimeNumber(const cmsDateTimeNumber *Source, struct tm *Dest); + +//---------------------------------------------------------------------------------------------------------- + +// Shared callbacks for user data +typedef void (* _cmsFreeUserDataFn)(cmsContext ContextID, void* Data); +typedef void* (* _cmsDupUserDataFn)(cmsContext ContextID, const void* Data); + +//---------------------------------------------------------------------------------------------------------- + +// Plug-in foundation +#define cmsPluginMagicNumber 0x61637070 // 'acpp' + +#define cmsPluginMemHandlerSig 0x6D656D48 // 'memH' +#define cmsPluginInterpolationSig 0x696E7048 // 'inpH' +#define cmsPluginParametricCurveSig 0x70617248 // 'parH' +#define cmsPluginFormattersSig 0x66726D48 // 'frmH +#define cmsPluginTagTypeSig 0x74797048 // 'typH' +#define cmsPluginTagSig 0x74616748 // 'tagH' +#define cmsPluginRenderingIntentSig 0x696E7448 // 'intH' +#define cmsPluginMultiProcessElementSig 0x6D706548 // 'mpeH' +#define cmsPluginOptimizationSig 0x6F707448 // 'optH' +#define cmsPluginTransformSig 0x7A666D48 // 'xfmH' +#define cmsPluginMutexSig 0x6D747A48 // 'mtxH' + +typedef struct _cmsPluginBaseStruct { + + cmsUInt32Number Magic; // 'acpp' signature + cmsUInt32Number ExpectedVersion; // Expected version of LittleCMS + cmsUInt32Number Type; // Type of plug-in + struct _cmsPluginBaseStruct* Next; // For multiple plugin definition. NULL for end of list. + +} cmsPluginBase; + +// Maximum number of types in a plugin array +#define MAX_TYPES_IN_LCMS_PLUGIN 20 + +//---------------------------------------------------------------------------------------------------------- + +// Memory handler. Each new plug-in type replaces current behaviour + +typedef void* (* _cmsMallocFnPtrType)(cmsContext ContextID, cmsUInt32Number size); +typedef void (* _cmsFreeFnPtrType)(cmsContext ContextID, void *Ptr); +typedef void* (* _cmsReallocFnPtrType)(cmsContext ContextID, void* Ptr, cmsUInt32Number NewSize); + +typedef void* (* _cmsMalloZerocFnPtrType)(cmsContext ContextID, cmsUInt32Number size); +typedef void* (* _cmsCallocFnPtrType)(cmsContext ContextID, cmsUInt32Number num, cmsUInt32Number size); +typedef void* (* _cmsDupFnPtrType)(cmsContext ContextID, const void* Org, cmsUInt32Number size); + +typedef struct { + + cmsPluginBase base; + + // Required + _cmsMallocFnPtrType MallocPtr; + _cmsFreeFnPtrType FreePtr; + _cmsReallocFnPtrType ReallocPtr; + + // Optional + _cmsMalloZerocFnPtrType MallocZeroPtr; + _cmsCallocFnPtrType CallocPtr; + _cmsDupFnPtrType DupPtr; + +} cmsPluginMemHandler; + + +// ------------------------------------------------------------------------------------------------------------------ + +// Interpolation. 16 bits and floating point versions. +struct _cms_interp_struc; + +// Interpolation callbacks + +// 16 bits forward interpolation. This function performs precision-limited linear interpolation +// and is supposed to be quite fast. Implementation may be tetrahedral or trilinear, and plug-ins may +// choose to implement any other interpolation algorithm. +typedef void (* _cmsInterpFn16)(register const cmsUInt16Number Input[], + register cmsUInt16Number Output[], + register const struct _cms_interp_struc* p); + +// Floating point forward interpolation. Full precision interpolation using floats. This is not a +// time critical function. Implementation may be tetrahedral or trilinear, and plug-ins may +// choose to implement any other interpolation algorithm. +typedef void (* _cmsInterpFnFloat)(cmsFloat32Number const Input[], + cmsFloat32Number Output[], + const struct _cms_interp_struc* p); + + + +// This type holds a pointer to an interpolator that can be either 16 bits or float +typedef union { + _cmsInterpFn16 Lerp16; // Forward interpolation in 16 bits + _cmsInterpFnFloat LerpFloat; // Forward interpolation in floating point +} cmsInterpFunction; + +// Flags for interpolator selection +#define CMS_LERP_FLAGS_16BITS 0x0000 // The default +#define CMS_LERP_FLAGS_FLOAT 0x0001 // Requires different implementation +#define CMS_LERP_FLAGS_TRILINEAR 0x0100 // Hint only + + +#define MAX_INPUT_DIMENSIONS 8 + +typedef struct _cms_interp_struc { // Used on all interpolations. Supplied by lcms2 when calling the interpolation function + + cmsContext ContextID; // The calling thread + + cmsUInt32Number dwFlags; // Keep original flags + cmsUInt32Number nInputs; // != 1 only in 3D interpolation + cmsUInt32Number nOutputs; // != 1 only in 3D interpolation + + cmsUInt32Number nSamples[MAX_INPUT_DIMENSIONS]; // Valid on all kinds of tables + cmsUInt32Number Domain[MAX_INPUT_DIMENSIONS]; // Domain = nSamples - 1 + + cmsUInt32Number opta[MAX_INPUT_DIMENSIONS]; // Optimization for 3D CLUT. This is the number of nodes premultiplied for each + // dimension. For example, in 7 nodes, 7, 7^2 , 7^3, 7^4, etc. On non-regular + // Samplings may vary according of the number of nodes for each dimension. + + const void *Table; // Points to the actual interpolation table + cmsInterpFunction Interpolation; // Points to the function to do the interpolation + + } cmsInterpParams; + +// Interpolators factory +typedef cmsInterpFunction (* cmsInterpFnFactory)(cmsUInt32Number nInputChannels, cmsUInt32Number nOutputChannels, cmsUInt32Number dwFlags); + +// The plug-in +typedef struct { + cmsPluginBase base; + + // Points to a user-supplied function which implements the factory + cmsInterpFnFactory InterpolatorsFactory; + +} cmsPluginInterpolation; + +//---------------------------------------------------------------------------------------------------------- + +// Parametric curves. A negative type means same function but analytically inverted. Max. number of params is 10 + +// Evaluator callback for user-suplied parametric curves. May implement more than one type +typedef cmsFloat64Number (* cmsParametricCurveEvaluator)(cmsInt32Number Type, const cmsFloat64Number Params[10], cmsFloat64Number R); + +// Plug-in may implement an arbitrary number of parametric curves +typedef struct { + cmsPluginBase base; + + cmsUInt32Number nFunctions; // Number of supported functions + cmsUInt32Number FunctionTypes[MAX_TYPES_IN_LCMS_PLUGIN]; // The identification types + cmsUInt32Number ParameterCount[MAX_TYPES_IN_LCMS_PLUGIN]; // Number of parameters for each function + + cmsParametricCurveEvaluator Evaluator; // The evaluator + +} cmsPluginParametricCurves; +//---------------------------------------------------------------------------------------------------------- + +// Formatters. This plug-in adds new handlers, replacing them if they already exist. Formatters dealing with +// cmsFloat32Number (bps = 4) or double (bps = 0) types are requested via FormatterFloat callback. Others come across +// Formatter16 callback + +struct _cmstransform_struct; + +typedef cmsUInt8Number* (* cmsFormatter16)(register struct _cmstransform_struct* CMMcargo, + register cmsUInt16Number Values[], + register cmsUInt8Number* Buffer, + register cmsUInt32Number Stride); + +typedef cmsUInt8Number* (* cmsFormatterFloat)(struct _cmstransform_struct* CMMcargo, + cmsFloat32Number Values[], + cmsUInt8Number* Buffer, + cmsUInt32Number Stride); + +// This type holds a pointer to a formatter that can be either 16 bits or cmsFloat32Number +typedef union { + cmsFormatter16 Fmt16; + cmsFormatterFloat FmtFloat; + +} cmsFormatter; + +#define CMS_PACK_FLAGS_16BITS 0x0000 +#define CMS_PACK_FLAGS_FLOAT 0x0001 + +typedef enum { cmsFormatterInput=0, cmsFormatterOutput=1 } cmsFormatterDirection; + +typedef cmsFormatter (* cmsFormatterFactory)(cmsUInt32Number Type, // Specific type, i.e. TYPE_RGB_8 + cmsFormatterDirection Dir, + cmsUInt32Number dwFlags); // precision + +// Plug-in may implement an arbitrary number of formatters +typedef struct { + cmsPluginBase base; + cmsFormatterFactory FormattersFactory; + +} cmsPluginFormatters; + +//---------------------------------------------------------------------------------------------------------- + +// Tag type handler. Each type is free to return anything it wants, and it is up to the caller to +// know in advance what is the type contained in the tag. +typedef struct _cms_typehandler_struct { + + cmsTagTypeSignature Signature; // The signature of the type + + // Allocates and reads items + void * (* ReadPtr)(struct _cms_typehandler_struct* self, + cmsIOHANDLER* io, + cmsUInt32Number* nItems, + cmsUInt32Number SizeOfTag); + + // Writes n Items + cmsBool (* WritePtr)(struct _cms_typehandler_struct* self, + cmsIOHANDLER* io, + void* Ptr, + cmsUInt32Number nItems); + + // Duplicate an item or array of items + void* (* DupPtr)(struct _cms_typehandler_struct* self, + const void *Ptr, + cmsUInt32Number n); + + // Free all resources + void (* FreePtr)(struct _cms_typehandler_struct* self, + void *Ptr); + + // Additional parameters used by the calling thread + cmsContext ContextID; + cmsUInt32Number ICCVersion; + +} cmsTagTypeHandler; + +// Each plug-in implements a single type +typedef struct { + cmsPluginBase base; + cmsTagTypeHandler Handler; + +} cmsPluginTagType; + +//---------------------------------------------------------------------------------------------------------- + +// This is the tag plugin, which identifies tags. For writing, a pointer to function is provided. +// This function should return the desired type for this tag, given the version of profile +// and the data being serialized. +typedef struct { + + cmsUInt32Number ElemCount; // If this tag needs an array, how many elements should keep + + // For reading. + cmsUInt32Number nSupportedTypes; // In how many types this tag can come (MAX_TYPES_IN_LCMS_PLUGIN maximum) + cmsTagTypeSignature SupportedTypes[MAX_TYPES_IN_LCMS_PLUGIN]; + + // For writting + cmsTagTypeSignature (* DecideType)(cmsFloat64Number ICCVersion, const void *Data); + +} cmsTagDescriptor; + +// Plug-in implements a single tag +typedef struct { + cmsPluginBase base; + + cmsTagSignature Signature; + cmsTagDescriptor Descriptor; + +} cmsPluginTag; + +//---------------------------------------------------------------------------------------------------------- + +// Custom intents. This function should join all profiles specified in the array in +// a single LUT. Any custom intent in the chain redirects to custom function. If more than +// one custom intent is found, the one located first is invoked. Usually users should use only one +// custom intent, so mixing custom intents in same multiprofile transform is not supported. + +typedef cmsPipeline* (* cmsIntentFn)( cmsContext ContextID, + cmsUInt32Number nProfiles, + cmsUInt32Number Intents[], + cmsHPROFILE hProfiles[], + cmsBool BPC[], + cmsFloat64Number AdaptationStates[], + cmsUInt32Number dwFlags); + + +// Each plug-in defines a single intent number. +typedef struct { + cmsPluginBase base; + cmsUInt32Number Intent; + cmsIntentFn Link; + char Description[256]; + +} cmsPluginRenderingIntent; + + +// The default ICC intents (perceptual, saturation, rel.col and abs.col) +CMSAPI cmsPipeline* CMSEXPORT _cmsDefaultICCintents(cmsContext ContextID, + cmsUInt32Number nProfiles, + cmsUInt32Number Intents[], + cmsHPROFILE hProfiles[], + cmsBool BPC[], + cmsFloat64Number AdaptationStates[], + cmsUInt32Number dwFlags); + + +//---------------------------------------------------------------------------------------------------------- + +// Pipelines, Multi Process Elements. + +typedef void (* _cmsStageEvalFn) (const cmsFloat32Number In[], cmsFloat32Number Out[], const cmsStage* mpe); +typedef void*(* _cmsStageDupElemFn) (cmsStage* mpe); +typedef void (* _cmsStageFreeElemFn) (cmsStage* mpe); + + +// This function allocates a generic MPE +CMSAPI cmsStage* CMSEXPORT _cmsStageAllocPlaceholder(cmsContext ContextID, + cmsStageSignature Type, + cmsUInt32Number InputChannels, + cmsUInt32Number OutputChannels, + _cmsStageEvalFn EvalPtr, // Points to fn that evaluates the element (always in floating point) + _cmsStageDupElemFn DupElemPtr, // Points to a fn that duplicates the stage + _cmsStageFreeElemFn FreePtr, // Points to a fn that sets the element free + void* Data); // A generic pointer to whatever memory needed by the element +typedef struct { + cmsPluginBase base; + cmsTagTypeHandler Handler; + +} cmsPluginMultiProcessElement; + + +// Data kept in "Element" member of cmsStage + +// Curves +typedef struct { + cmsUInt32Number nCurves; + cmsToneCurve** TheCurves; + +} _cmsStageToneCurvesData; + +// Matrix +typedef struct { + cmsFloat64Number* Double; // floating point for the matrix + cmsFloat64Number* Offset; // The offset + +} _cmsStageMatrixData; + +// CLUT +typedef struct { + + union { // Can have only one of both representations at same time + cmsUInt16Number* T; // Points to the table 16 bits table + cmsFloat32Number* TFloat; // Points to the cmsFloat32Number table + + } Tab; + + cmsInterpParams* Params; + cmsUInt32Number nEntries; + cmsBool HasFloatValues; + +} _cmsStageCLutData; + + +//---------------------------------------------------------------------------------------------------------- +// Optimization. Using this plug-in, additional optimization strategies may be implemented. +// The function should return TRUE if any optimization is done on the LUT, this terminates +// the optimization search. Or FALSE if it is unable to optimize and want to give a chance +// to the rest of optimizers. + +typedef void (* _cmsOPTeval16Fn)(register const cmsUInt16Number In[], + register cmsUInt16Number Out[], + register const void* Data); + + +typedef cmsBool (* _cmsOPToptimizeFn)(cmsPipeline** Lut, + cmsUInt32Number Intent, + cmsUInt32Number* InputFormat, + cmsUInt32Number* OutputFormat, + cmsUInt32Number* dwFlags); + +// This function may be used to set the optional evaluator and a block of private data. If private data is being used, an optional +// duplicator and free functions should also be specified in order to duplicate the LUT construct. Use NULL to inhibit such functionality. + +CMSAPI void CMSEXPORT _cmsPipelineSetOptimizationParameters(cmsPipeline* Lut, + _cmsOPTeval16Fn Eval16, + void* PrivateData, + _cmsFreeUserDataFn FreePrivateDataFn, + _cmsDupUserDataFn DupPrivateDataFn); + +typedef struct { + cmsPluginBase base; + + // Optimize entry point + _cmsOPToptimizeFn OptimizePtr; + +} cmsPluginOptimization; + +//---------------------------------------------------------------------------------------------------------- +// Full xform +typedef void (* _cmsTransformFn)(struct _cmstransform_struct *CMMcargo, + const void* InputBuffer, + void* OutputBuffer, + cmsUInt32Number Size, + cmsUInt32Number Stride); + +typedef cmsBool (* _cmsTransformFactory)(_cmsTransformFn* xform, + void** UserData, + _cmsFreeUserDataFn* FreePrivateDataFn, + cmsPipeline** Lut, + cmsUInt32Number* InputFormat, + cmsUInt32Number* OutputFormat, + cmsUInt32Number* dwFlags); + + +// Retrieve user data as specified by the factory +CMSAPI void CMSEXPORT _cmsSetTransformUserData(struct _cmstransform_struct *CMMcargo, void* ptr, _cmsFreeUserDataFn FreePrivateDataFn); +CMSAPI void * CMSEXPORT _cmsGetTransformUserData(struct _cmstransform_struct *CMMcargo); + + +// Retrieve formatters +CMSAPI void CMSEXPORT _cmsGetTransformFormatters16 (struct _cmstransform_struct *CMMcargo, cmsFormatter16* FromInput, cmsFormatter16* ToOutput); +CMSAPI void CMSEXPORT _cmsGetTransformFormattersFloat(struct _cmstransform_struct *CMMcargo, cmsFormatterFloat* FromInput, cmsFormatterFloat* ToOutput); + +typedef struct { + cmsPluginBase base; + + // Transform entry point + _cmsTransformFactory Factory; + +} cmsPluginTransform; + +//---------------------------------------------------------------------------------------------------------- +// Mutex + +typedef void* (* _cmsCreateMutexFnPtrType)(cmsContext ContextID); +typedef void (* _cmsDestroyMutexFnPtrType)(cmsContext ContextID, void* mtx); +typedef cmsBool (* _cmsLockMutexFnPtrType)(cmsContext ContextID, void* mtx); +typedef void (* _cmsUnlockMutexFnPtrType)(cmsContext ContextID, void* mtx); + +typedef struct { + cmsPluginBase base; + + _cmsCreateMutexFnPtrType CreateMutexPtr; + _cmsDestroyMutexFnPtrType DestroyMutexPtr; + _cmsLockMutexFnPtrType LockMutexPtr; + _cmsUnlockMutexFnPtrType UnlockMutexPtr; + +} cmsPluginMutex; + +CMSAPI void* CMSEXPORT _cmsCreateMutex(cmsContext ContextID); +CMSAPI void CMSEXPORT _cmsDestroyMutex(cmsContext ContextID, void* mtx); +CMSAPI cmsBool CMSEXPORT _cmsLockMutex(cmsContext ContextID, void* mtx); +CMSAPI void CMSEXPORT _cmsUnlockMutex(cmsContext ContextID, void* mtx); + + +#ifndef CMS_USE_CPP_API +# ifdef __cplusplus + } +# endif +#endif + +#define _lcms_plugin_H +#endif |