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) 1998-2011 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 // Endianess 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
235 typedef struct _cmsPluginBaseStruct {
236
237 cmsUInt32Number Magic; // 'acpp' signature
238 cmsUInt32Number ExpectedVersion; // Expected version of LittleCMS
239 cmsUInt32Number Type; // Type of plug-in
240 struct _cmsPluginBaseStruct* Next; // For multiple plugin definition. NULL for end of list.
241
242 } cmsPluginBase;
243
244 // Maximum number of types in a plugin array
245 #define MAX_TYPES_IN_LCMS_PLUGIN 20
246
247 //----------------------------------------------------------------------------------------------------------
248
249 // Memory handler. Each new plug-in type replaces current behaviour
250 typedef struct {
251
252 cmsPluginBase base;
253
254 // Required
255 void * (* MallocPtr)(cmsContext ContextID, cmsUInt32Number size);
256 void (* FreePtr)(cmsContext ContextID, void *Ptr);
257 void * (* ReallocPtr)(cmsContext ContextID, void* Ptr, cmsUInt32Number NewSize);
258
259 // Optional
260 void * (* MallocZeroPtr)(cmsContext ContextID, cmsUInt32Number size);
261 void * (* CallocPtr)(cmsContext ContextID, cmsUInt32Number num, cmsUInt32Number size);
262 void * (* DupPtr)(cmsContext ContextID, const void* Org, cmsUInt32Number size);
263
264 } cmsPluginMemHandler;
265
266
267 // ------------------------------------------------------------------------------------------------------------------
268
269 // Interpolation. 16 bits and floating point versions.
270 struct _cms_interp_struc;
271
272 // Interpolation callbacks
273
274 // 16 bits forward interpolation. This function performs precision-limited linear interpolation
275 // and is supposed to be quite fast. Implementation may be tetrahedral or trilinear, and plug-ins may
276 // choose to implement any other interpolation algorithm.
277 typedef void (* _cmsInterpFn16)(register const cmsUInt16Number Input[],
278 register cmsUInt16Number Output[],
279 register const struct _cms_interp_struc* p);
280
281 // Floating point forward interpolation. Full precision interpolation using floats. This is not a
282 // time critical function. Implementation may be tetrahedral or trilinear, and plug-ins may
283 // choose to implement any other interpolation algorithm.
284 typedef void (* _cmsInterpFnFloat)(cmsFloat32Number const Input[],
285 cmsFloat32Number Output[],
286 const struct _cms_interp_struc* p);
287
288
289
290 // This type holds a pointer to an interpolator that can be either 16 bits or float
291 typedef union {
292 _cmsInterpFn16 Lerp16; // Forward interpolation in 16 bits
293 _cmsInterpFnFloat LerpFloat; // Forward interpolation in floating point
294 } cmsInterpFunction;
295
296 // Flags for interpolator selection
297 #define CMS_LERP_FLAGS_16BITS 0x0000 // The default
298 #define CMS_LERP_FLAGS_FLOAT 0x0001 // Requires different implementation
299 #define CMS_LERP_FLAGS_TRILINEAR 0x0100 // Hint only
300
301
302 #define MAX_INPUT_DIMENSIONS 8
303
304 typedef struct _cms_interp_struc { // Used on all interpolations. Supplied by lcms2 when calling the interpolation function
305
306 cmsContext ContextID; // The calling thread
307
308 cmsUInt32Number dwFlags; // Keep original flags
309 cmsUInt32Number nInputs; // != 1 only in 3D interpolation
310 cmsUInt32Number nOutputs; // != 1 only in 3D interpolation
311
312 cmsUInt32Number nSamples[MAX_INPUT_DIMENSIONS]; // Valid on all kinds of tables
313 cmsUInt32Number Domain[MAX_INPUT_DIMENSIONS]; // Domain = nSamples - 1
314
315 cmsUInt32Number opta[MAX_INPUT_DIMENSIONS]; // Optimization for 3D CLUT. This is the number of nodes premultiplied for each
316 // dimension. For example, in 7 nodes, 7, 7^2 , 7^3, 7^4, etc. On non-regular
317 // Samplings may vary according of the number of nodes for each dimension.
318
319 const void *Table; // Points to the actual interpolation table
320 cmsInterpFunction Interpolation; // Points to the function to do the interpolation
321
322 } cmsInterpParams;
323
324 // Interpolators factory
325 typedef cmsInterpFunction (* cmsInterpFnFactory)(cmsUInt32Number nInputChannels, cmsUInt32Number nOutputChannels, cmsUInt32Number dwFlags);
326
327 // The plug-in
328 typedef struct {
329 cmsPluginBase base;
330
331 // Points to a user-supplied function which implements the factory
332 cmsInterpFnFactory InterpolatorsFactory;
333
334 } cmsPluginInterpolation;
335
336 //----------------------------------------------------------------------------------------------------------
337
338 // Parametric curves. A negative type means same function but analytically inverted. Max. number of params is 10
339
340 // Evaluator callback for user-suplied parametric curves. May implement more than one type
341 typedef cmsFloat64Number (* cmsParametricCurveEvaluator)(cmsInt32Number Type, const cmsFloat64Number Params[10], cmsFloat64Number R);
342
343 // Plug-in may implement an arbitrary number of parametric curves
344 typedef struct {
345 cmsPluginBase base;
346
347 cmsUInt32Number nFunctions; // Number of supported functions
348 cmsUInt32Number FunctionTypes[MAX_TYPES_IN_LCMS_PLUGIN]; // The identification types
349 cmsUInt32Number ParameterCount[MAX_TYPES_IN_LCMS_PLUGIN]; // Number of parameters for each function
350
351 cmsParametricCurveEvaluator Evaluator; // The evaluator
352
353 } cmsPluginParametricCurves;
354 //----------------------------------------------------------------------------------------------------------
355
356 // Formatters. This plug-in adds new handlers, replacing them if they already exist. Formatters dealing with
357 // cmsFloat32Number (bps = 4) or double (bps = 0) types are requested via FormatterFloat callback. Others come across
358 // Formatter16 callback
359
360 struct _cmstransform_struct;
361
362 typedef cmsUInt8Number* (* cmsFormatter16)(register struct _cmstransform_struct* CMMcargo,
363 register cmsUInt16Number Values[],
364 register cmsUInt8Number* Buffer,
365 register cmsUInt32Number Stride);
366
367 typedef cmsUInt8Number* (* cmsFormatterFloat)(struct _cmstransform_struct* CMMcargo,
368 cmsFloat32Number Values[],
369 cmsUInt8Number* Buffer,
370 cmsUInt32Number Stride);
371
372 // This type holds a pointer to a formatter that can be either 16 bits or cmsFloat32Number
373 typedef union {
374 cmsFormatter16 Fmt16;
375 cmsFormatterFloat FmtFloat;
376
377 } cmsFormatter;
378
379 #define CMS_PACK_FLAGS_16BITS 0x0000
380 #define CMS_PACK_FLAGS_FLOAT 0x0001
381
382 typedef enum { cmsFormatterInput=0, cmsFormatterOutput=1 } cmsFormatterDirection;
383
384 typedef cmsFormatter (* cmsFormatterFactory)(cmsUInt32Number Type, // Specific type, i.e. TYPE_RGB_8
385 cmsFormatterDirection Dir,
386 cmsUInt32Number dwFlags); // precision
387
388 // Plug-in may implement an arbitrary number of formatters
389 typedef struct {
390 cmsPluginBase base;
391 cmsFormatterFactory FormattersFactory;
392
393 } cmsPluginFormatters;
394
395 //----------------------------------------------------------------------------------------------------------
396
397 // Tag type handler. Each type is free to return anything it wants, and it is up to the caller to
398 // know in advance what is the type contained in the tag.
399 typedef struct _cms_typehandler_struct {
400
401 cmsTagTypeSignature Signature; // The signature of the type
402
403 // Allocates and reads items
404 void * (* ReadPtr)(struct _cms_typehandler_struct* self,
405 cmsIOHANDLER* io,
406 cmsUInt32Number* nItems,
407 cmsUInt32Number SizeOfTag);
408
409 // Writes n Items
410 cmsBool (* WritePtr)(struct _cms_typehandler_struct* self,
411 cmsIOHANDLER* io,
412 void* Ptr,
413 cmsUInt32Number nItems);
414
415 // Duplicate an item or array of items
416 void* (* DupPtr)(struct _cms_typehandler_struct* self,
417 const void *Ptr,
418 cmsUInt32Number n);
419
420 // Free all resources
421 void (* FreePtr)(struct _cms_typehandler_struct* self,
422 void *Ptr);
423
424 // Additional parameters used by the calling thread
425 cmsContext ContextID;
426 cmsUInt32Number ICCVersion;
427
428 } cmsTagTypeHandler;
429
430 // Each plug-in implements a single type
431 typedef struct {
432 cmsPluginBase base;
433 cmsTagTypeHandler Handler;
434
435 } cmsPluginTagType;
436
437 //----------------------------------------------------------------------------------------------------------
438
439 // This is the tag plugin, which identifies tags. For writing, a pointer to function is provided.
440 // This function should return the desired type for this tag, given the version of profile
441 // and the data being serialized.
442 typedef struct {
443
444 cmsUInt32Number ElemCount; // If this tag needs an array, how many elements should keep
445
446 // For reading.
447 cmsUInt32Number nSupportedTypes; // In how many types this tag can come (MAX_TYPES_IN_LCMS_PLUGIN maximum)
448 cmsTagTypeSignature SupportedTypes[MAX_TYPES_IN_LCMS_PLUGIN];
449
450 // For writting
451 cmsTagTypeSignature (* DecideType)(cmsFloat64Number ICCVersion, const void *Data);
452
453 } cmsTagDescriptor;
454
455 // Plug-in implements a single tag
456 typedef struct {
457 cmsPluginBase base;
458
459 cmsTagSignature Signature;
460 cmsTagDescriptor Descriptor;
461
462 } cmsPluginTag;
463
464 //----------------------------------------------------------------------------------------------------------
465
466 // Custom intents. This function should join all profiles specified in the array in
467 // a single LUT. Any custom intent in the chain redirects to custom function. If more than
468 // one custom intent is found, the one located first is invoked. Usually users should use only one
469 // custom intent, so mixing custom intents in same multiprofile transform is not supported.
470
471 typedef cmsPipeline* (* cmsIntentFn)( cmsContext ContextID,
472 cmsUInt32Number nProfiles,
473 cmsUInt32Number Intents[],
474 cmsHPROFILE hProfiles[],
475 cmsBool BPC[],
476 cmsFloat64Number AdaptationStates[],
477 cmsUInt32Number dwFlags);
478
479
480 // Each plug-in defines a single intent number.
481 typedef struct {
482 cmsPluginBase base;
483 cmsUInt32Number Intent;
484 cmsIntentFn Link;
485 char Description[256];
486
487 } cmsPluginRenderingIntent;
488
489
490 // The default ICC intents (perceptual, saturation, rel.col and abs.col)
491 CMSAPI cmsPipeline* CMSEXPORT _cmsDefaultICCintents(cmsContext ContextID,
492 cmsUInt32Number nProfiles,
493 cmsUInt32Number Intents[],
494 cmsHPROFILE hProfiles[],
495 cmsBool BPC[],
496 cmsFloat64Number AdaptationStates[],
497 cmsUInt32Number dwFlags);
498
499
500 //----------------------------------------------------------------------------------------------------------
501
502 // Pipelines, Multi Process Elements.
503
504 typedef void (* _cmsStageEvalFn) (const cmsFloat32Number In[], cmsFloat32Number Out[], const cmsStage* mpe);
505 typedef void*(* _cmsStageDupElemFn) (cmsStage* mpe);
506 typedef void (* _cmsStageFreeElemFn) (cmsStage* mpe);
507
508
509 // This function allocates a generic MPE
510 CMSAPI cmsStage* CMSEXPORT _cmsStageAllocPlaceholder(cmsContext ContextID,
511 cmsStageSignature Type,
512 cmsUInt32Number InputChannels,
513 cmsUInt32Number OutputChannels,
514 _cmsStageEvalFn EvalPtr, // Points to fn that evaluates the element (always in floating point)
515 _cmsStageDupElemFn DupElemPtr, // Points to a fn that duplicates the stage
516 _cmsStageFreeElemFn FreePtr, // Points to a fn that sets the element free
517 void* Data); // A generic pointer to whatever memory needed by the element
518 typedef struct {
519 cmsPluginBase base;
520 cmsTagTypeHandler Handler;
521
522 } cmsPluginMultiProcessElement;
523
524
525 // Data kept in "Element" member of cmsStage
526
527 // Curves
528 typedef struct {
529 cmsUInt32Number nCurves;
530 cmsToneCurve** TheCurves;
531
532 } _cmsStageToneCurvesData;
533
534 // Matrix
535 typedef struct {
536 cmsFloat64Number* Double; // floating point for the matrix
537 cmsFloat64Number* Offset; // The offset
538
539 } _cmsStageMatrixData;
540
541 // CLUT
542 typedef struct {
543
544 union { // Can have only one of both representations at same time
545 cmsUInt16Number* T; // Points to the table 16 bits table
546 cmsFloat32Number* TFloat; // Points to the cmsFloat32Number table
547
548 } Tab;
549
550 cmsInterpParams* Params;
551 cmsUInt32Number nEntries;
552 cmsBool HasFloatValues;
553
554 } _cmsStageCLutData;
555
556
557 //----------------------------------------------------------------------------------------------------------
558 // Optimization. Using this plug-in, additional optimization strategies may be implemented.
559 // The function should return TRUE if any optimization is done on the LUT, this terminates
560 // the optimization search. Or FALSE if it is unable to optimize and want to give a chance
561 // to the rest of optimizers.
562
563 typedef void (* _cmsOPTeval16Fn)(register const cmsUInt16Number In[],
564 register cmsUInt16Number Out[],
565 register const void* Data);
566
567
568 typedef cmsBool (* _cmsOPToptimizeFn)(cmsPipeline** Lut,
569 cmsUInt32Number Intent,
570 cmsUInt32Number* InputFormat,
571 cmsUInt32Number* OutputFormat,
572 cmsUInt32Number* dwFlags);
573
574 // This function may be used to set the optional evaluator and a block of private data. If private data is being used, an optional
575 // duplicator and free functions should also be specified in order to duplicate the LUT construct. Use NULL to inhibit such functionality.
576
577 CMSAPI void CMSEXPORT _cmsPipelineSetOptimizationParameters(cmsPipeline* Lut,
578 _cmsOPTeval16Fn Eval16,
579 void* PrivateData,
580 _cmsFreeUserDataFn FreePrivateDataFn,
581 _cmsDupUserDataFn DupPrivateDataFn);
582
583 typedef struct {
584 cmsPluginBase base;
585
586 // Optimize entry point
587 _cmsOPToptimizeFn OptimizePtr;
588
589 } cmsPluginOptimization;
590
591 //----------------------------------------------------------------------------------------------------------
592 // Full xform
593 typedef void (* _cmsTransformFn)(struct _cmstransform_struct *CMMcargo,
594 const void* InputBuffer,
595 void* OutputBuffer,
596 cmsUInt32Number Size,
597 cmsUInt32Number Stride);
598
599 typedef cmsBool (* _cmsTransformFactory)(_cmsTransformFn* xform,
600 void** UserData,
601 _cmsFreeUserDataFn* FreePrivateDataFn,
602 cmsPipeline** Lut,
603 cmsUInt32Number* InputFormat,
604 cmsUInt32Number* OutputFormat,
605 cmsUInt32Number* dwFlags);
606
607
608 // Retrieve user data as specified by the factory
609 CMSAPI void CMSEXPORT _cmsSetTransformUserData(struct _cmstransform_struct *CMMcargo, void* ptr, _cmsFreeUserDataFn FreePrivateDataFn);
610 CMSAPI void * CMSEXPORT _cmsGetTransformUserData(struct _cmstransform_struct *CMMcargo);
611
612
613 // Retrieve formatters
614 CMSAPI void CMSEXPORT _cmsGetTransformFormatters16 (struct _cmstransform_struct *CMMcargo, cmsFormatter16* FromInput, cmsFormatter16* ToOutput);
615 CMSAPI void CMSEXPORT _cmsGetTransformFormattersFloat(struct _cmstransform_struct *CMMcargo, cmsFormatterFloat* FromInput, cmsFormatterFloat* ToOutput);
616
617 typedef struct {
618 cmsPluginBase base;
619
620 // Transform entry point
621 _cmsTransformFactory Factory;
622
623 } cmsPluginTransform;
624
625
626 #ifndef CMS_USE_CPP_API
627 # ifdef __cplusplus
628 }
629 # endif
630 #endif
631
632 #define _lcms_plugin_H
633 #endif