Merge to XFA: Move lcms2 into third_party

Original Review URL: https://codereview.chromium.org/1181943008.
TBR=thestig@chromium.org

Review URL: https://codereview.chromium.org/1187273006.

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