1 /* 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 only, as 6 * published by the Free Software Foundation. Oracle designates this 7 * particular file as subject to the "Classpath" exception as provided 8 * by Oracle in the LICENSE file that accompanied this code. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 */ 24 25 // This file is available under and governed by the GNU General Public 26 // License version 2 only, as published by the Free Software Foundation. 27 // However, the following notice accompanied the original version of this 28 // file: 29 // 30 //--------------------------------------------------------------------------------- 31 // 32 // Little Color Management System 33 // Copyright (c) 1998-2017 Marti Maria Saguer 34 // 35 // Permission is hereby granted, free of charge, to any person obtaining 36 // a copy of this software and associated documentation files (the "Software"), 37 // to deal in the Software without restriction, including without limitation 38 // the rights to use, copy, modify, merge, publish, distribute, sublicense, 39 // and/or sell copies of the Software, and to permit persons to whom the Software 40 // is furnished to do so, subject to the following conditions: 41 // 42 // The above copyright notice and this permission notice shall be included in 43 // all copies or substantial portions of the Software. 44 // 45 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 46 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO 47 // THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 48 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 49 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 50 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 51 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 52 // 53 //--------------------------------------------------------------------------------- 54 // 55 // This is the plug-in header file. Normal LittleCMS clients should not use it. 56 // It is provided for plug-in writters that may want to access the support 57 // functions to do low level operations. All plug-in related structures 58 // are defined here. Including this file forces to include the standard API too. 59 60 #ifndef _lcms_plugin_H 61 62 // Deal with Microsoft's attempt at deprecating C standard runtime functions 63 #ifdef _MSC_VER 64 # if (_MSC_VER >= 1400) 65 # ifndef _CRT_SECURE_NO_DEPRECATE 66 # define _CRT_SECURE_NO_DEPRECATE 67 # endif 68 # ifndef _CRT_SECURE_NO_WARNINGS 69 # define _CRT_SECURE_NO_WARNINGS 70 # endif 71 # endif 72 #endif 73 74 #ifndef _lcms2_H 75 #include "lcms2.h" 76 #endif 77 78 // We need some standard C functions. 79 #include <stdlib.h> 80 #include <math.h> 81 #include <stdarg.h> 82 #include <memory.h> 83 #include <string.h> 84 85 86 #ifndef CMS_USE_CPP_API 87 # ifdef __cplusplus 88 extern "C" { 89 # endif 90 #endif 91 92 // Vector & Matrix operations ----------------------------------------------------------------------- 93 94 // Axis of the matrix/array. No specific meaning at all. 95 #define VX 0 96 #define VY 1 97 #define VZ 2 98 99 // Vectors 100 typedef struct { 101 cmsFloat64Number n[3]; 102 103 } cmsVEC3; 104 105 // 3x3 Matrix 106 typedef struct { 107 cmsVEC3 v[3]; 108 109 } cmsMAT3; 110 111 CMSAPI void CMSEXPORT _cmsVEC3init(cmsVEC3* r, cmsFloat64Number x, cmsFloat64Number y, cmsFloat64Number z); 112 CMSAPI void CMSEXPORT _cmsVEC3minus(cmsVEC3* r, const cmsVEC3* a, const cmsVEC3* b); 113 CMSAPI void CMSEXPORT _cmsVEC3cross(cmsVEC3* r, const cmsVEC3* u, const cmsVEC3* v); 114 CMSAPI cmsFloat64Number CMSEXPORT _cmsVEC3dot(const cmsVEC3* u, const cmsVEC3* v); 115 CMSAPI cmsFloat64Number CMSEXPORT _cmsVEC3length(const cmsVEC3* a); 116 CMSAPI cmsFloat64Number CMSEXPORT _cmsVEC3distance(const cmsVEC3* a, const cmsVEC3* b); 117 118 CMSAPI void CMSEXPORT _cmsMAT3identity(cmsMAT3* a); 119 CMSAPI cmsBool CMSEXPORT _cmsMAT3isIdentity(const cmsMAT3* a); 120 CMSAPI void CMSEXPORT _cmsMAT3per(cmsMAT3* r, const cmsMAT3* a, const cmsMAT3* b); 121 CMSAPI cmsBool CMSEXPORT _cmsMAT3inverse(const cmsMAT3* a, cmsMAT3* b); 122 CMSAPI cmsBool CMSEXPORT _cmsMAT3solve(cmsVEC3* x, cmsMAT3* a, cmsVEC3* b); 123 CMSAPI void CMSEXPORT _cmsMAT3eval(cmsVEC3* r, const cmsMAT3* a, const cmsVEC3* v); 124 125 126 // Error logging ------------------------------------------------------------------------------------- 127 128 CMSAPI void CMSEXPORT cmsSignalError(cmsContext ContextID, cmsUInt32Number ErrorCode, const char *ErrorText, ...); 129 130 // Memory management ---------------------------------------------------------------------------------- 131 132 CMSAPI void* CMSEXPORT _cmsMalloc(cmsContext ContextID, cmsUInt32Number size); 133 CMSAPI void* CMSEXPORT _cmsMallocZero(cmsContext ContextID, cmsUInt32Number size); 134 CMSAPI void* CMSEXPORT _cmsCalloc(cmsContext ContextID, cmsUInt32Number num, cmsUInt32Number size); 135 CMSAPI void* CMSEXPORT _cmsRealloc(cmsContext ContextID, void* Ptr, cmsUInt32Number NewSize); 136 CMSAPI void CMSEXPORT _cmsFree(cmsContext ContextID, void* Ptr); 137 CMSAPI void* CMSEXPORT _cmsDupMem(cmsContext ContextID, const void* Org, cmsUInt32Number size); 138 139 // I/O handler ---------------------------------------------------------------------------------- 140 141 struct _cms_io_handler { 142 143 void* stream; // Associated stream, which is implemented differently depending on media. 144 145 cmsContext ContextID; 146 cmsUInt32Number UsedSpace; 147 cmsUInt32Number ReportedSize; 148 char PhysicalFile[cmsMAX_PATH]; 149 150 cmsUInt32Number (* Read)(struct _cms_io_handler* iohandler, void *Buffer, 151 cmsUInt32Number size, 152 cmsUInt32Number count); 153 cmsBool (* Seek)(struct _cms_io_handler* iohandler, cmsUInt32Number offset); 154 cmsBool (* Close)(struct _cms_io_handler* iohandler); 155 cmsUInt32Number (* Tell)(struct _cms_io_handler* iohandler); 156 cmsBool (* Write)(struct _cms_io_handler* iohandler, cmsUInt32Number size, 157 const void* Buffer); 158 }; 159 160 // Endianness adjust functions 161 CMSAPI cmsUInt16Number CMSEXPORT _cmsAdjustEndianess16(cmsUInt16Number Word); 162 CMSAPI cmsUInt32Number CMSEXPORT _cmsAdjustEndianess32(cmsUInt32Number Value); 163 CMSAPI void CMSEXPORT _cmsAdjustEndianess64(cmsUInt64Number* Result, cmsUInt64Number* QWord); 164 165 // Helper IO functions 166 CMSAPI cmsBool CMSEXPORT _cmsReadUInt8Number(cmsIOHANDLER* io, cmsUInt8Number* n); 167 CMSAPI cmsBool CMSEXPORT _cmsReadUInt16Number(cmsIOHANDLER* io, cmsUInt16Number* n); 168 CMSAPI cmsBool CMSEXPORT _cmsReadUInt32Number(cmsIOHANDLER* io, cmsUInt32Number* n); 169 CMSAPI cmsBool CMSEXPORT _cmsReadFloat32Number(cmsIOHANDLER* io, cmsFloat32Number* n); 170 CMSAPI cmsBool CMSEXPORT _cmsReadUInt64Number(cmsIOHANDLER* io, cmsUInt64Number* n); 171 CMSAPI cmsBool CMSEXPORT _cmsRead15Fixed16Number(cmsIOHANDLER* io, cmsFloat64Number* n); 172 CMSAPI cmsBool CMSEXPORT _cmsReadXYZNumber(cmsIOHANDLER* io, cmsCIEXYZ* XYZ); 173 CMSAPI cmsBool CMSEXPORT _cmsReadUInt16Array(cmsIOHANDLER* io, cmsUInt32Number n, cmsUInt16Number* Array); 174 175 CMSAPI cmsBool CMSEXPORT _cmsWriteUInt8Number(cmsIOHANDLER* io, cmsUInt8Number n); 176 CMSAPI cmsBool CMSEXPORT _cmsWriteUInt16Number(cmsIOHANDLER* io, cmsUInt16Number n); 177 CMSAPI cmsBool CMSEXPORT _cmsWriteUInt32Number(cmsIOHANDLER* io, cmsUInt32Number n); 178 CMSAPI cmsBool CMSEXPORT _cmsWriteFloat32Number(cmsIOHANDLER* io, cmsFloat32Number n); 179 CMSAPI cmsBool CMSEXPORT _cmsWriteUInt64Number(cmsIOHANDLER* io, cmsUInt64Number* n); 180 CMSAPI cmsBool CMSEXPORT _cmsWrite15Fixed16Number(cmsIOHANDLER* io, cmsFloat64Number n); 181 CMSAPI cmsBool CMSEXPORT _cmsWriteXYZNumber(cmsIOHANDLER* io, const cmsCIEXYZ* XYZ); 182 CMSAPI cmsBool CMSEXPORT _cmsWriteUInt16Array(cmsIOHANDLER* io, cmsUInt32Number n, const cmsUInt16Number* Array); 183 184 // ICC base tag 185 typedef struct { 186 cmsTagTypeSignature sig; 187 cmsInt8Number reserved[4]; 188 189 } _cmsTagBase; 190 191 // Type base helper functions 192 CMSAPI cmsTagTypeSignature CMSEXPORT _cmsReadTypeBase(cmsIOHANDLER* io); 193 CMSAPI cmsBool CMSEXPORT _cmsWriteTypeBase(cmsIOHANDLER* io, cmsTagTypeSignature sig); 194 195 // Alignment functions 196 CMSAPI cmsBool CMSEXPORT _cmsReadAlignment(cmsIOHANDLER* io); 197 CMSAPI cmsBool CMSEXPORT _cmsWriteAlignment(cmsIOHANDLER* io); 198 199 // To deal with text streams. 2K at most 200 CMSAPI cmsBool CMSEXPORT _cmsIOPrintf(cmsIOHANDLER* io, const char* frm, ...); 201 202 // Fixed point helper functions 203 CMSAPI cmsFloat64Number CMSEXPORT _cms8Fixed8toDouble(cmsUInt16Number fixed8); 204 CMSAPI cmsUInt16Number CMSEXPORT _cmsDoubleTo8Fixed8(cmsFloat64Number val); 205 206 CMSAPI cmsFloat64Number CMSEXPORT _cms15Fixed16toDouble(cmsS15Fixed16Number fix32); 207 CMSAPI cmsS15Fixed16Number CMSEXPORT _cmsDoubleTo15Fixed16(cmsFloat64Number v); 208 209 // Date/time helper functions 210 CMSAPI void CMSEXPORT _cmsEncodeDateTimeNumber(cmsDateTimeNumber *Dest, const struct tm *Source); 211 CMSAPI void CMSEXPORT _cmsDecodeDateTimeNumber(const cmsDateTimeNumber *Source, struct tm *Dest); 212 213 //---------------------------------------------------------------------------------------------------------- 214 215 // Shared callbacks for user data 216 typedef void (* _cmsFreeUserDataFn)(cmsContext ContextID, void* Data); 217 typedef void* (* _cmsDupUserDataFn)(cmsContext ContextID, const void* Data); 218 219 //---------------------------------------------------------------------------------------------------------- 220 221 // Plug-in foundation 222 #define cmsPluginMagicNumber 0x61637070 // 'acpp' 223 224 #define cmsPluginMemHandlerSig 0x6D656D48 // 'memH' 225 #define cmsPluginInterpolationSig 0x696E7048 // 'inpH' 226 #define cmsPluginParametricCurveSig 0x70617248 // 'parH' 227 #define cmsPluginFormattersSig 0x66726D48 // 'frmH 228 #define cmsPluginTagTypeSig 0x74797048 // 'typH' 229 #define cmsPluginTagSig 0x74616748 // 'tagH' 230 #define cmsPluginRenderingIntentSig 0x696E7448 // 'intH' 231 #define cmsPluginMultiProcessElementSig 0x6D706548 // 'mpeH' 232 #define cmsPluginOptimizationSig 0x6F707448 // 'optH' 233 #define cmsPluginTransformSig 0x7A666D48 // 'xfmH' 234 #define cmsPluginMutexSig 0x6D747A48 // 'mtxH' 235 236 typedef struct _cmsPluginBaseStruct { 237 238 cmsUInt32Number Magic; // 'acpp' signature 239 cmsUInt32Number ExpectedVersion; // Expected version of LittleCMS 240 cmsUInt32Number Type; // Type of plug-in 241 struct _cmsPluginBaseStruct* Next; // For multiple plugin definition. NULL for end of list. 242 243 } cmsPluginBase; 244 245 // Maximum number of types in a plugin array 246 #define MAX_TYPES_IN_LCMS_PLUGIN 20 247 248 //---------------------------------------------------------------------------------------------------------- 249 250 // Memory handler. Each new plug-in type replaces current behaviour 251 252 typedef void* (* _cmsMallocFnPtrType)(cmsContext ContextID, cmsUInt32Number size); 253 typedef void (* _cmsFreeFnPtrType)(cmsContext ContextID, void *Ptr); 254 typedef void* (* _cmsReallocFnPtrType)(cmsContext ContextID, void* Ptr, cmsUInt32Number NewSize); 255 256 typedef void* (* _cmsMalloZerocFnPtrType)(cmsContext ContextID, cmsUInt32Number size); 257 typedef void* (* _cmsCallocFnPtrType)(cmsContext ContextID, cmsUInt32Number num, cmsUInt32Number size); 258 typedef void* (* _cmsDupFnPtrType)(cmsContext ContextID, const void* Org, cmsUInt32Number size); 259 260 typedef struct { 261 262 cmsPluginBase base; 263 264 // Required 265 _cmsMallocFnPtrType MallocPtr; 266 _cmsFreeFnPtrType FreePtr; 267 _cmsReallocFnPtrType ReallocPtr; 268 269 // Optional 270 _cmsMalloZerocFnPtrType MallocZeroPtr; 271 _cmsCallocFnPtrType CallocPtr; 272 _cmsDupFnPtrType DupPtr; 273 274 } cmsPluginMemHandler; 275 276 277 // ------------------------------------------------------------------------------------------------------------------ 278 279 // Interpolation. 16 bits and floating point versions. 280 struct _cms_interp_struc; 281 282 // Interpolation callbacks 283 284 // 16 bits forward interpolation. This function performs precision-limited linear interpolation 285 // and is supposed to be quite fast. Implementation may be tetrahedral or trilinear, and plug-ins may 286 // choose to implement any other interpolation algorithm. 287 typedef void (* _cmsInterpFn16)(register const cmsUInt16Number Input[], 288 register cmsUInt16Number Output[], 289 register const struct _cms_interp_struc* p); 290 291 // Floating point forward interpolation. Full precision interpolation using floats. This is not a 292 // time critical function. Implementation may be tetrahedral or trilinear, and plug-ins may 293 // choose to implement any other interpolation algorithm. 294 typedef void (* _cmsInterpFnFloat)(cmsFloat32Number const Input[], 295 cmsFloat32Number Output[], 296 const struct _cms_interp_struc* p); 297 298 299 300 // This type holds a pointer to an interpolator that can be either 16 bits or float 301 typedef union { 302 _cmsInterpFn16 Lerp16; // Forward interpolation in 16 bits 303 _cmsInterpFnFloat LerpFloat; // Forward interpolation in floating point 304 } cmsInterpFunction; 305 306 // Flags for interpolator selection 307 #define CMS_LERP_FLAGS_16BITS 0x0000 // The default 308 #define CMS_LERP_FLAGS_FLOAT 0x0001 // Requires different implementation 309 #define CMS_LERP_FLAGS_TRILINEAR 0x0100 // Hint only 310 311 312 #define MAX_INPUT_DIMENSIONS 8 313 314 typedef struct _cms_interp_struc { // Used on all interpolations. Supplied by lcms2 when calling the interpolation function 315 316 cmsContext ContextID; // The calling thread 317 318 cmsUInt32Number dwFlags; // Keep original flags 319 cmsUInt32Number nInputs; // != 1 only in 3D interpolation 320 cmsUInt32Number nOutputs; // != 1 only in 3D interpolation 321 322 cmsUInt32Number nSamples[MAX_INPUT_DIMENSIONS]; // Valid on all kinds of tables 323 cmsUInt32Number Domain[MAX_INPUT_DIMENSIONS]; // Domain = nSamples - 1 324 325 cmsUInt32Number opta[MAX_INPUT_DIMENSIONS]; // Optimization for 3D CLUT. This is the number of nodes premultiplied for each 326 // dimension. For example, in 7 nodes, 7, 7^2 , 7^3, 7^4, etc. On non-regular 327 // Samplings may vary according of the number of nodes for each dimension. 328 329 const void *Table; // Points to the actual interpolation table 330 cmsInterpFunction Interpolation; // Points to the function to do the interpolation 331 332 } cmsInterpParams; 333 334 // Interpolators factory 335 typedef cmsInterpFunction (* cmsInterpFnFactory)(cmsUInt32Number nInputChannels, cmsUInt32Number nOutputChannels, cmsUInt32Number dwFlags); 336 337 // The plug-in 338 typedef struct { 339 cmsPluginBase base; 340 341 // Points to a user-supplied function which implements the factory 342 cmsInterpFnFactory InterpolatorsFactory; 343 344 } cmsPluginInterpolation; 345 346 //---------------------------------------------------------------------------------------------------------- 347 348 // Parametric curves. A negative type means same function but analytically inverted. Max. number of params is 10 349 350 // Evaluator callback for user-supplied parametric curves. May implement more than one type 351 typedef cmsFloat64Number (* cmsParametricCurveEvaluator)(cmsInt32Number Type, const cmsFloat64Number Params[10], cmsFloat64Number R); 352 353 // Plug-in may implement an arbitrary number of parametric curves 354 typedef struct { 355 cmsPluginBase base; 356 357 cmsUInt32Number nFunctions; // Number of supported functions 358 cmsUInt32Number FunctionTypes[MAX_TYPES_IN_LCMS_PLUGIN]; // The identification types 359 cmsUInt32Number ParameterCount[MAX_TYPES_IN_LCMS_PLUGIN]; // Number of parameters for each function 360 361 cmsParametricCurveEvaluator Evaluator; // The evaluator 362 363 } cmsPluginParametricCurves; 364 //---------------------------------------------------------------------------------------------------------- 365 366 // Formatters. This plug-in adds new handlers, replacing them if they already exist. Formatters dealing with 367 // cmsFloat32Number (bps = 4) or double (bps = 0) types are requested via FormatterFloat callback. Others come across 368 // Formatter16 callback 369 370 struct _cmstransform_struct; 371 372 typedef cmsUInt8Number* (* cmsFormatter16)(register struct _cmstransform_struct* CMMcargo, 373 register cmsUInt16Number Values[], 374 register cmsUInt8Number* Buffer, 375 register cmsUInt32Number Stride); 376 377 typedef cmsUInt8Number* (* cmsFormatterFloat)(struct _cmstransform_struct* CMMcargo, 378 cmsFloat32Number Values[], 379 cmsUInt8Number* Buffer, 380 cmsUInt32Number Stride); 381 382 // This type holds a pointer to a formatter that can be either 16 bits or cmsFloat32Number 383 typedef union { 384 cmsFormatter16 Fmt16; 385 cmsFormatterFloat FmtFloat; 386 387 } cmsFormatter; 388 389 #define CMS_PACK_FLAGS_16BITS 0x0000 390 #define CMS_PACK_FLAGS_FLOAT 0x0001 391 392 typedef enum { cmsFormatterInput=0, cmsFormatterOutput=1 } cmsFormatterDirection; 393 394 typedef cmsFormatter (* cmsFormatterFactory)(cmsUInt32Number Type, // Specific type, i.e. TYPE_RGB_8 395 cmsFormatterDirection Dir, 396 cmsUInt32Number dwFlags); // precision 397 398 // Plug-in may implement an arbitrary number of formatters 399 typedef struct { 400 cmsPluginBase base; 401 cmsFormatterFactory FormattersFactory; 402 403 } cmsPluginFormatters; 404 405 //---------------------------------------------------------------------------------------------------------- 406 407 // Tag type handler. Each type is free to return anything it wants, and it is up to the caller to 408 // know in advance what is the type contained in the tag. 409 typedef struct _cms_typehandler_struct { 410 411 cmsTagTypeSignature Signature; // The signature of the type 412 413 // Allocates and reads items 414 void * (* ReadPtr)(struct _cms_typehandler_struct* self, 415 cmsIOHANDLER* io, 416 cmsUInt32Number* nItems, 417 cmsUInt32Number SizeOfTag); 418 419 // Writes n Items 420 cmsBool (* WritePtr)(struct _cms_typehandler_struct* self, 421 cmsIOHANDLER* io, 422 void* Ptr, 423 cmsUInt32Number nItems); 424 425 // Duplicate an item or array of items 426 void* (* DupPtr)(struct _cms_typehandler_struct* self, 427 const void *Ptr, 428 cmsUInt32Number n); 429 430 // Free all resources 431 void (* FreePtr)(struct _cms_typehandler_struct* self, 432 void *Ptr); 433 434 // Additional parameters used by the calling thread 435 cmsContext ContextID; 436 cmsUInt32Number ICCVersion; 437 438 } cmsTagTypeHandler; 439 440 // Each plug-in implements a single type 441 typedef struct { 442 cmsPluginBase base; 443 cmsTagTypeHandler Handler; 444 445 } cmsPluginTagType; 446 447 //---------------------------------------------------------------------------------------------------------- 448 449 // This is the tag plugin, which identifies tags. For writing, a pointer to function is provided. 450 // This function should return the desired type for this tag, given the version of profile 451 // and the data being serialized. 452 typedef struct { 453 454 cmsUInt32Number ElemCount; // If this tag needs an array, how many elements should keep 455 456 // For reading. 457 cmsUInt32Number nSupportedTypes; // In how many types this tag can come (MAX_TYPES_IN_LCMS_PLUGIN maximum) 458 cmsTagTypeSignature SupportedTypes[MAX_TYPES_IN_LCMS_PLUGIN]; 459 460 // For writing 461 cmsTagTypeSignature (* DecideType)(cmsFloat64Number ICCVersion, const void *Data); 462 463 } cmsTagDescriptor; 464 465 // Plug-in implements a single tag 466 typedef struct { 467 cmsPluginBase base; 468 469 cmsTagSignature Signature; 470 cmsTagDescriptor Descriptor; 471 472 } cmsPluginTag; 473 474 //---------------------------------------------------------------------------------------------------------- 475 476 // Custom intents. This function should join all profiles specified in the array in 477 // a single LUT. Any custom intent in the chain redirects to custom function. If more than 478 // one custom intent is found, the one located first is invoked. Usually users should use only one 479 // custom intent, so mixing custom intents in same multiprofile transform is not supported. 480 481 typedef cmsPipeline* (* cmsIntentFn)( cmsContext ContextID, 482 cmsUInt32Number nProfiles, 483 cmsUInt32Number Intents[], 484 cmsHPROFILE hProfiles[], 485 cmsBool BPC[], 486 cmsFloat64Number AdaptationStates[], 487 cmsUInt32Number dwFlags); 488 489 490 // Each plug-in defines a single intent number. 491 typedef struct { 492 cmsPluginBase base; 493 cmsUInt32Number Intent; 494 cmsIntentFn Link; 495 char Description[256]; 496 497 } cmsPluginRenderingIntent; 498 499 500 // The default ICC intents (perceptual, saturation, rel.col and abs.col) 501 CMSAPI cmsPipeline* CMSEXPORT _cmsDefaultICCintents(cmsContext ContextID, 502 cmsUInt32Number nProfiles, 503 cmsUInt32Number Intents[], 504 cmsHPROFILE hProfiles[], 505 cmsBool BPC[], 506 cmsFloat64Number AdaptationStates[], 507 cmsUInt32Number dwFlags); 508 509 510 //---------------------------------------------------------------------------------------------------------- 511 512 // Pipelines, Multi Process Elements. 513 514 typedef void (* _cmsStageEvalFn) (const cmsFloat32Number In[], cmsFloat32Number Out[], const cmsStage* mpe); 515 typedef void*(* _cmsStageDupElemFn) (cmsStage* mpe); 516 typedef void (* _cmsStageFreeElemFn) (cmsStage* mpe); 517 518 519 // This function allocates a generic MPE 520 CMSAPI cmsStage* CMSEXPORT _cmsStageAllocPlaceholder(cmsContext ContextID, 521 cmsStageSignature Type, 522 cmsUInt32Number InputChannels, 523 cmsUInt32Number OutputChannels, 524 _cmsStageEvalFn EvalPtr, // Points to fn that evaluates the element (always in floating point) 525 _cmsStageDupElemFn DupElemPtr, // Points to a fn that duplicates the stage 526 _cmsStageFreeElemFn FreePtr, // Points to a fn that sets the element free 527 void* Data); // A generic pointer to whatever memory needed by the element 528 typedef struct { 529 cmsPluginBase base; 530 cmsTagTypeHandler Handler; 531 532 } cmsPluginMultiProcessElement; 533 534 535 // Data kept in "Element" member of cmsStage 536 537 // Curves 538 typedef struct { 539 cmsUInt32Number nCurves; 540 cmsToneCurve** TheCurves; 541 542 } _cmsStageToneCurvesData; 543 544 // Matrix 545 typedef struct { 546 cmsFloat64Number* Double; // floating point for the matrix 547 cmsFloat64Number* Offset; // The offset 548 549 } _cmsStageMatrixData; 550 551 // CLUT 552 typedef struct { 553 554 union { // Can have only one of both representations at same time 555 cmsUInt16Number* T; // Points to the table 16 bits table 556 cmsFloat32Number* TFloat; // Points to the cmsFloat32Number table 557 558 } Tab; 559 560 cmsInterpParams* Params; 561 cmsUInt32Number nEntries; 562 cmsBool HasFloatValues; 563 564 } _cmsStageCLutData; 565 566 567 //---------------------------------------------------------------------------------------------------------- 568 // Optimization. Using this plug-in, additional optimization strategies may be implemented. 569 // The function should return TRUE if any optimization is done on the LUT, this terminates 570 // the optimization search. Or FALSE if it is unable to optimize and want to give a chance 571 // to the rest of optimizers. 572 573 typedef void (* _cmsOPTeval16Fn)(register const cmsUInt16Number In[], 574 register cmsUInt16Number Out[], 575 register const void* Data); 576 577 578 typedef cmsBool (* _cmsOPToptimizeFn)(cmsPipeline** Lut, 579 cmsUInt32Number Intent, 580 cmsUInt32Number* InputFormat, 581 cmsUInt32Number* OutputFormat, 582 cmsUInt32Number* dwFlags); 583 584 // This function may be used to set the optional evaluator and a block of private data. If private data is being used, an optional 585 // duplicator and free functions should also be specified in order to duplicate the LUT construct. Use NULL to inhibit such functionality. 586 587 CMSAPI void CMSEXPORT _cmsPipelineSetOptimizationParameters(cmsPipeline* Lut, 588 _cmsOPTeval16Fn Eval16, 589 void* PrivateData, 590 _cmsFreeUserDataFn FreePrivateDataFn, 591 _cmsDupUserDataFn DupPrivateDataFn); 592 593 typedef struct { 594 cmsPluginBase base; 595 596 // Optimize entry point 597 _cmsOPToptimizeFn OptimizePtr; 598 599 } cmsPluginOptimization; 600 601 //---------------------------------------------------------------------------------------------------------- 602 // Full xform 603 604 typedef struct { 605 cmsUInt32Number BytesPerLineIn; 606 cmsUInt32Number BytesPerLineOut; 607 cmsUInt32Number BytesPerPlaneIn; 608 cmsUInt32Number BytesPerPlaneOut; 609 610 } cmsStride; 611 612 typedef void (* _cmsTransformFn)(struct _cmstransform_struct *CMMcargo, // Legacy function, handles just ONE scanline. 613 const void* InputBuffer, 614 void* OutputBuffer, 615 cmsUInt32Number Size, 616 cmsUInt32Number Stride); // Stride in bytes to the next plana in planar formats 617 618 619 typedef void (*_cmsTransform2Fn)(struct _cmstransform_struct *CMMcargo, 620 const void* InputBuffer, 621 void* OutputBuffer, 622 cmsUInt32Number PixelsPerLine, 623 cmsUInt32Number LineCount, 624 const cmsStride* Stride); 625 626 typedef cmsBool (* _cmsTransformFactory)(_cmsTransformFn* xform, 627 void** UserData, 628 _cmsFreeUserDataFn* FreePrivateDataFn, 629 cmsPipeline** Lut, 630 cmsUInt32Number* InputFormat, 631 cmsUInt32Number* OutputFormat, 632 cmsUInt32Number* dwFlags); 633 634 typedef cmsBool (* _cmsTransform2Factory)(_cmsTransform2Fn* xform, 635 void** UserData, 636 _cmsFreeUserDataFn* FreePrivateDataFn, 637 cmsPipeline** Lut, 638 cmsUInt32Number* InputFormat, 639 cmsUInt32Number* OutputFormat, 640 cmsUInt32Number* dwFlags); 641 642 643 // Retrieve user data as specified by the factory 644 CMSAPI void CMSEXPORT _cmsSetTransformUserData(struct _cmstransform_struct *CMMcargo, void* ptr, _cmsFreeUserDataFn FreePrivateDataFn); 645 CMSAPI void * CMSEXPORT _cmsGetTransformUserData(struct _cmstransform_struct *CMMcargo); 646 647 648 // Retrieve formatters 649 CMSAPI void CMSEXPORT _cmsGetTransformFormatters16 (struct _cmstransform_struct *CMMcargo, cmsFormatter16* FromInput, cmsFormatter16* ToOutput); 650 CMSAPI void CMSEXPORT _cmsGetTransformFormattersFloat(struct _cmstransform_struct *CMMcargo, cmsFormatterFloat* FromInput, cmsFormatterFloat* ToOutput); 651 652 typedef struct { 653 cmsPluginBase base; 654 655 // Transform entry point 656 union { 657 _cmsTransformFactory legacy_xform; 658 _cmsTransform2Factory xform; 659 } factories; 660 661 } cmsPluginTransform; 662 663 //---------------------------------------------------------------------------------------------------------- 664 // Mutex 665 666 typedef void* (* _cmsCreateMutexFnPtrType)(cmsContext ContextID); 667 typedef void (* _cmsDestroyMutexFnPtrType)(cmsContext ContextID, void* mtx); 668 typedef cmsBool (* _cmsLockMutexFnPtrType)(cmsContext ContextID, void* mtx); 669 typedef void (* _cmsUnlockMutexFnPtrType)(cmsContext ContextID, void* mtx); 670 671 typedef struct { 672 cmsPluginBase base; 673 674 _cmsCreateMutexFnPtrType CreateMutexPtr; 675 _cmsDestroyMutexFnPtrType DestroyMutexPtr; 676 _cmsLockMutexFnPtrType LockMutexPtr; 677 _cmsUnlockMutexFnPtrType UnlockMutexPtr; 678 679 } cmsPluginMutex; 680 681 CMSAPI void* CMSEXPORT _cmsCreateMutex(cmsContext ContextID); 682 CMSAPI void CMSEXPORT _cmsDestroyMutex(cmsContext ContextID, void* mtx); 683 CMSAPI cmsBool CMSEXPORT _cmsLockMutex(cmsContext ContextID, void* mtx); 684 CMSAPI void CMSEXPORT _cmsUnlockMutex(cmsContext ContextID, void* mtx); 685 686 687 #ifndef CMS_USE_CPP_API 688 # ifdef __cplusplus 689 } 690 # endif 691 #endif 692 693 #define _lcms_plugin_H 694 #endif 695