summaryrefslogtreecommitdiff
path: root/third_party/lcms/src/cmsnamed.c
blob: ef1eb3089ecc7ba5af4134e458dbdf88e1df7b2d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
//---------------------------------------------------------------------------------
//
//  Little Color Management System
//  Copyright (c) 1998-2012 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.
//
//---------------------------------------------------------------------------------
//

#include "lcms2_internal.h"

// Multilocalized unicode objects. That is an attempt to encapsulate i18n.


// Allocates an empty multi localizad unicode object
cmsMLU* CMSEXPORT cmsMLUalloc(cmsContext ContextID, cmsUInt32Number nItems)
{
    cmsMLU* mlu;

    // nItems should be positive if given
    if (nItems <= 0) nItems = 2;

    // Create the container
    mlu = (cmsMLU*) _cmsMallocZero(ContextID, sizeof(cmsMLU));
    if (mlu == NULL) return NULL;

    mlu ->ContextID = ContextID;

    // Create entry array
    mlu ->Entries = (_cmsMLUentry*) _cmsCalloc(ContextID, nItems, sizeof(_cmsMLUentry));
    if (mlu ->Entries == NULL) {
        _cmsFree(ContextID, mlu);
        return NULL;
    }

    // Ok, keep indexes up to date
    mlu ->AllocatedEntries    = nItems;
    mlu ->UsedEntries         = 0;

    return mlu;
}


// Grows a mempool table for a MLU. Each time this function is called, mempool size is multiplied times two.
static
cmsBool GrowMLUpool(cmsMLU* mlu)
{
    cmsUInt32Number size;
    void *NewPtr;

    // Sanity check
    if (mlu == NULL) return FALSE;

    if (mlu ->PoolSize == 0)
        size = 256;
    else
        size = mlu ->PoolSize * 2;

    // Check for overflow
    if (size < mlu ->PoolSize) return FALSE;

    // Reallocate the pool
    NewPtr = _cmsRealloc(mlu ->ContextID, mlu ->MemPool, size);
    if (NewPtr == NULL) return FALSE;


    mlu ->MemPool  = NewPtr;
    mlu ->PoolSize = size;

    return TRUE;
}


// Grows a entry table for a MLU. Each time this function is called, table size is multiplied times two.
static
cmsBool GrowMLUtable(cmsMLU* mlu)
{
    int AllocatedEntries;
    _cmsMLUentry *NewPtr;

    // Sanity check
    if (mlu == NULL) return FALSE;

    AllocatedEntries = mlu ->AllocatedEntries * 2;

    // Check for overflow
    if (AllocatedEntries / 2 != mlu ->AllocatedEntries) return FALSE;

    // Reallocate the memory
    NewPtr = (_cmsMLUentry*)_cmsRealloc(mlu ->ContextID, mlu ->Entries, AllocatedEntries*sizeof(_cmsMLUentry));
    if (NewPtr == NULL) return FALSE;

    mlu ->Entries          = NewPtr;
    mlu ->AllocatedEntries = AllocatedEntries;

    return TRUE;
}


// Search for a specific entry in the structure. Language and Country are used.
static
int SearchMLUEntry(cmsMLU* mlu, cmsUInt16Number LanguageCode, cmsUInt16Number CountryCode)
{
    int i;

    // Sanity check
    if (mlu == NULL) return -1;

    // Iterate whole table
    for (i=0; i < mlu ->UsedEntries; i++) {

        if (mlu ->Entries[i].Country  == CountryCode &&
            mlu ->Entries[i].Language == LanguageCode) return i;
    }

    // Not found
    return -1;
}

// Add a block of characters to the intended MLU. Language and country are specified.
// Only one entry for Language/country pair is allowed.
static
cmsBool AddMLUBlock(cmsMLU* mlu, cmsUInt32Number size, const wchar_t *Block,
                     cmsUInt16Number LanguageCode, cmsUInt16Number CountryCode)
{
    cmsUInt32Number Offset;
    cmsUInt8Number* Ptr;

    // Sanity check
    if (mlu == NULL) return FALSE;

    // Is there any room available?
    if (mlu ->UsedEntries >= mlu ->AllocatedEntries) {
        if (!GrowMLUtable(mlu)) return FALSE;
    }

    // Only one ASCII string
    if (SearchMLUEntry(mlu, LanguageCode, CountryCode) >= 0) return FALSE;  // Only one  is allowed!

    // Check for size
    while ((mlu ->PoolSize - mlu ->PoolUsed) < size) {

            if (!GrowMLUpool(mlu)) return FALSE;
    }

    Offset = mlu ->PoolUsed;

    Ptr = (cmsUInt8Number*) mlu ->MemPool;
    if (Ptr == NULL) return FALSE;

    // Set the entry
    memmove(Ptr + Offset, Block, size);
    mlu ->PoolUsed += size;

    mlu ->Entries[mlu ->UsedEntries].StrW     = Offset;
    mlu ->Entries[mlu ->UsedEntries].Len      = size;
    mlu ->Entries[mlu ->UsedEntries].Country  = CountryCode;
    mlu ->Entries[mlu ->UsedEntries].Language = LanguageCode;
    mlu ->UsedEntries++;

    return TRUE;
}


// Add an ASCII entry.
cmsBool CMSEXPORT cmsMLUsetASCII(cmsMLU* mlu, const char LanguageCode[3], const char CountryCode[3], const char* ASCIIString)
{
    cmsUInt32Number i, len = (cmsUInt32Number) strlen(ASCIIString)+1;
    wchar_t* WStr;
    cmsBool  rc;
    cmsUInt16Number Lang  = _cmsAdjustEndianess16(*(cmsUInt16Number*) LanguageCode);
    cmsUInt16Number Cntry = _cmsAdjustEndianess16(*(cmsUInt16Number*) CountryCode);

    if (mlu == NULL) return FALSE;

    WStr = (wchar_t*) _cmsCalloc(mlu ->ContextID, len,  sizeof(wchar_t));
    if (WStr == NULL) return FALSE;

    for (i=0; i < len; i++)
        WStr[i] = (wchar_t) ASCIIString[i];

    rc = AddMLUBlock(mlu, len  * sizeof(wchar_t), WStr, Lang, Cntry);

    _cmsFree(mlu ->ContextID, WStr);
    return rc;

}

// We don't need any wcs support library
static
cmsUInt32Number mywcslen(const wchar_t *s)
{
    const wchar_t *p;

    p = s;
    while (*p)
        p++;

    return (cmsUInt32Number)(p - s);
}


// Add a wide entry
cmsBool  CMSEXPORT cmsMLUsetWide(cmsMLU* mlu, const char Language[3], const char Country[3], const wchar_t* WideString)
{
    cmsUInt16Number Lang  = _cmsAdjustEndianess16(*(cmsUInt16Number*) Language);
    cmsUInt16Number Cntry = _cmsAdjustEndianess16(*(cmsUInt16Number*) Country);
    cmsUInt32Number len;

    if (mlu == NULL) return FALSE;
    if (WideString == NULL) return FALSE;

    len = (cmsUInt32Number) (mywcslen(WideString) + 1) * sizeof(wchar_t);
    return AddMLUBlock(mlu, len, WideString, Lang, Cntry);
}

// Duplicating a MLU is as easy as copying all members
cmsMLU* CMSEXPORT cmsMLUdup(const cmsMLU* mlu)
{
    cmsMLU* NewMlu = NULL;

    // Duplicating a NULL obtains a NULL
    if (mlu == NULL) return NULL;

    NewMlu = cmsMLUalloc(mlu ->ContextID, mlu ->UsedEntries);
    if (NewMlu == NULL) return NULL;

    // Should never happen
    if (NewMlu ->AllocatedEntries < mlu ->UsedEntries)
        goto Error;

    // Sanitize...
    if (NewMlu ->Entries == NULL || mlu ->Entries == NULL)  goto Error;

    memmove(NewMlu ->Entries, mlu ->Entries, mlu ->UsedEntries * sizeof(_cmsMLUentry));
    NewMlu ->UsedEntries = mlu ->UsedEntries;

    // The MLU may be empty
    if (mlu ->PoolUsed == 0) {
        NewMlu ->MemPool = NULL;
    }
    else {
        // It is not empty
        NewMlu ->MemPool = _cmsMalloc(mlu ->ContextID, mlu ->PoolUsed);
        if (NewMlu ->MemPool == NULL) goto Error;
    }

    NewMlu ->PoolSize = mlu ->PoolUsed;

    if (NewMlu ->MemPool == NULL || mlu ->MemPool == NULL) goto Error;

    memmove(NewMlu ->MemPool, mlu->MemPool, mlu ->PoolUsed);
    NewMlu ->PoolUsed = mlu ->PoolUsed;

    return NewMlu;

Error:

    if (NewMlu != NULL) cmsMLUfree(NewMlu);
    return NULL;
}

// Free any used memory
void CMSEXPORT cmsMLUfree(cmsMLU* mlu)
{
    if (mlu) {

        if (mlu -> Entries) _cmsFree(mlu ->ContextID, mlu->Entries);
        if (mlu -> MemPool) _cmsFree(mlu ->ContextID, mlu->MemPool);

        _cmsFree(mlu ->ContextID, mlu);
    }
}


// The algorithm first searches for an exact match of country and language, if not found it uses
// the Language. If none is found, first entry is used instead.
static
const wchar_t* _cmsMLUgetWide(const cmsMLU* mlu,
                              cmsUInt32Number *len,
                              cmsUInt16Number LanguageCode, cmsUInt16Number CountryCode,
                              cmsUInt16Number* UsedLanguageCode, cmsUInt16Number* UsedCountryCode)
{
    int i;
    int Best = -1;
    _cmsMLUentry* v;

    if (mlu == NULL) return NULL;

    if (mlu -> AllocatedEntries <= 0) return NULL;

    for (i=0; i < mlu ->UsedEntries; i++) {

        v = mlu ->Entries + i;

        if (v -> Language == LanguageCode) {

            if (Best == -1) Best = i;

            if (v -> Country == CountryCode) {

                if (UsedLanguageCode != NULL) *UsedLanguageCode = v ->Language;
                if (UsedCountryCode  != NULL) *UsedCountryCode = v ->Country;

                if (len != NULL) *len = v ->Len;

                return (wchar_t*) ((cmsUInt8Number*) mlu ->MemPool + v -> StrW);        // Found exact match
            }
        }
    }

    // No string found. Return First one
    if (Best == -1)
        Best = 0;

    v = mlu ->Entries + Best;

    if (UsedLanguageCode != NULL) *UsedLanguageCode = v ->Language;
    if (UsedCountryCode  != NULL) *UsedCountryCode = v ->Country;

    if (len != NULL) *len   = v ->Len;

    return(wchar_t*) ((cmsUInt8Number*) mlu ->MemPool + v ->StrW);
}


// Obtain an ASCII representation of the wide string. Setting buffer to NULL returns the len
cmsUInt32Number CMSEXPORT cmsMLUgetASCII(const cmsMLU* mlu,
                                       const char LanguageCode[3], const char CountryCode[3],
                                       char* Buffer, cmsUInt32Number BufferSize)
{
    const wchar_t *Wide;
    cmsUInt32Number  StrLen = 0;
    cmsUInt32Number ASCIIlen, i;

    cmsUInt16Number Lang  = _cmsAdjustEndianess16(*(cmsUInt16Number*) LanguageCode);
    cmsUInt16Number Cntry = _cmsAdjustEndianess16(*(cmsUInt16Number*) CountryCode);

    // Sanitize
    if (mlu == NULL) return 0;

    // Get WideChar
    Wide = _cmsMLUgetWide(mlu, &StrLen, Lang, Cntry, NULL, NULL);
    if (Wide == NULL) return 0;

    ASCIIlen = StrLen / sizeof(wchar_t);

    // Maybe we want only to know the len?
    if (Buffer == NULL) return ASCIIlen + 1; // Note the zero at the end

    // No buffer size means no data
    if (BufferSize <= 0) return 0;

    // Some clipping may be required
    if (BufferSize < ASCIIlen + 1)
        ASCIIlen = BufferSize - 1;

    // Precess each character
    for (i=0; i < ASCIIlen; i++) {

        if (Wide[i] == 0)
            Buffer[i] = 0;
        else
            Buffer[i] = (char) Wide[i];
    }

    // We put a termination "\0"
    Buffer[ASCIIlen] = 0;
    return ASCIIlen + 1;
}

// Obtain a wide representation of the MLU, on depending on current locale settings
cmsUInt32Number CMSEXPORT cmsMLUgetWide(const cmsMLU* mlu,
                                      const char LanguageCode[3], const char CountryCode[3],
                                      wchar_t* Buffer, cmsUInt32Number BufferSize)
{
    const wchar_t *Wide;
    cmsUInt32Number  StrLen = 0;

    cmsUInt16Number Lang  = _cmsAdjustEndianess16(*(cmsUInt16Number*) LanguageCode);
    cmsUInt16Number Cntry = _cmsAdjustEndianess16(*(cmsUInt16Number*) CountryCode);

    // Sanitize
    if (mlu == NULL) return 0;

    Wide = _cmsMLUgetWide(mlu, &StrLen, Lang, Cntry, NULL, NULL);
    if (Wide == NULL) return 0;

    // Maybe we want only to know the len?
    if (Buffer == NULL) return StrLen + sizeof(wchar_t);

  // No buffer size means no data
    if (BufferSize <= 0) return 0;

    // Some clipping may be required
    if (BufferSize < StrLen + sizeof(wchar_t))
        StrLen = BufferSize - + sizeof(wchar_t);

    memmove(Buffer, Wide, StrLen);
    Buffer[StrLen / sizeof(wchar_t)] = 0;

    return StrLen + sizeof(wchar_t);
}


// Get also the language and country
CMSAPI cmsBool CMSEXPORT cmsMLUgetTranslation(const cmsMLU* mlu,
                                              const char LanguageCode[3], const char CountryCode[3],
                                              char ObtainedLanguage[3], char ObtainedCountry[3])
{
    const wchar_t *Wide;

    cmsUInt16Number Lang  = _cmsAdjustEndianess16(*(cmsUInt16Number*) LanguageCode);
    cmsUInt16Number Cntry = _cmsAdjustEndianess16(*(cmsUInt16Number*) CountryCode);
    cmsUInt16Number ObtLang, ObtCode;

    // Sanitize
    if (mlu == NULL) return FALSE;

    Wide = _cmsMLUgetWide(mlu, NULL, Lang, Cntry, &ObtLang, &ObtCode);
    if (Wide == NULL) return FALSE;

    // Get used language and code
    *(cmsUInt16Number *)ObtainedLanguage = _cmsAdjustEndianess16(ObtLang);
    *(cmsUInt16Number *)ObtainedCountry  = _cmsAdjustEndianess16(ObtCode);

    ObtainedLanguage[2] = ObtainedCountry[2] = 0;
    return TRUE;
}



// Get the number of translations in the MLU object
cmsUInt32Number CMSEXPORT cmsMLUtranslationsCount(const cmsMLU* mlu)
{
    if (mlu == NULL) return 0;
    return mlu->UsedEntries;
}

// Get the language and country codes for a specific MLU index
cmsBool CMSEXPORT cmsMLUtranslationsCodes(const cmsMLU* mlu,
                                          cmsUInt32Number idx,
                                          char LanguageCode[3],
                                          char CountryCode[3])
{
    _cmsMLUentry *entry;

    if (mlu == NULL) return FALSE;

    if (idx >= (cmsUInt32Number) mlu->UsedEntries) return FALSE;

    entry = &mlu->Entries[idx];
    
    *(cmsUInt16Number *)LanguageCode = _cmsAdjustEndianess16(entry->Language);
    *(cmsUInt16Number *)CountryCode  = _cmsAdjustEndianess16(entry->Country);

    return TRUE;
}


// Named color lists --------------------------------------------------------------------------------------------

// Grow the list to keep at least NumElements
static
cmsBool  GrowNamedColorList(cmsNAMEDCOLORLIST* v)
{
    cmsUInt32Number size;
    _cmsNAMEDCOLOR * NewPtr;

    if (v == NULL) return FALSE;

    if (v ->Allocated == 0)
        size = 64;   // Initial guess
    else
        size = v ->Allocated * 2;

    // Keep a maximum color lists can grow, 100K entries seems reasonable
    if (size > 1024*100) return FALSE;

    NewPtr = (_cmsNAMEDCOLOR*) _cmsRealloc(v ->ContextID, v ->List, size * sizeof(_cmsNAMEDCOLOR));
    if (NewPtr == NULL)
        return FALSE;

    v ->List      = NewPtr;
    v ->Allocated = size;
    return TRUE;
}

// Allocate a list for n elements
cmsNAMEDCOLORLIST* CMSEXPORT cmsAllocNamedColorList(cmsContext ContextID, cmsUInt32Number n, cmsUInt32Number ColorantCount, const char* Prefix, const char* Suffix)
{
    cmsNAMEDCOLORLIST* v = (cmsNAMEDCOLORLIST*) _cmsMallocZero(ContextID, sizeof(cmsNAMEDCOLORLIST));

    if (v == NULL) return NULL;

    v ->List      = NULL;
    v ->nColors   = 0;
    v ->ContextID  = ContextID;

    while (v -> Allocated < n) {
        if (!GrowNamedColorList(v)) {
            cmsFreeNamedColorList(v);
            return NULL;
        }
    }

    strncpy(v ->Prefix, Prefix, sizeof(v ->Prefix)-1);
    strncpy(v ->Suffix, Suffix, sizeof(v ->Suffix)-1);
    v->Prefix[32] = v->Suffix[32] = 0;

    v -> ColorantCount = ColorantCount;

    return v;
}

// Free a list
void CMSEXPORT cmsFreeNamedColorList(cmsNAMEDCOLORLIST* v)
{
    if (v == NULL) return;
    if (v ->List) _cmsFree(v ->ContextID, v ->List);
    _cmsFree(v ->ContextID, v);
}

cmsNAMEDCOLORLIST* CMSEXPORT cmsDupNamedColorList(const cmsNAMEDCOLORLIST* v)
{
    cmsNAMEDCOLORLIST* NewNC;

    if (v == NULL) return NULL;

    NewNC= cmsAllocNamedColorList(v ->ContextID, v -> nColors, v ->ColorantCount, v ->Prefix, v ->Suffix);
    if (NewNC == NULL) return NULL;

    // For really large tables we need this
    while (NewNC ->Allocated < v ->Allocated) {
        if (!GrowNamedColorList(NewNC)) {
            cmsFreeNamedColorList(NewNC);
            return NULL;
        }
    }

    memmove(NewNC ->Prefix, v ->Prefix, sizeof(v ->Prefix));
    memmove(NewNC ->Suffix, v ->Suffix, sizeof(v ->Suffix));
    NewNC ->ColorantCount = v ->ColorantCount;
    memmove(NewNC->List, v ->List, v->nColors * sizeof(_cmsNAMEDCOLOR));
    NewNC ->nColors = v ->nColors;
    return NewNC;
}


// Append a color to a list. List pointer may change if reallocated
cmsBool  CMSEXPORT cmsAppendNamedColor(cmsNAMEDCOLORLIST* NamedColorList,
                                       const char* Name,
                                       cmsUInt16Number PCS[3], cmsUInt16Number Colorant[cmsMAXCHANNELS])
{
    cmsUInt32Number i;

    if (NamedColorList == NULL) return FALSE;

    if (NamedColorList ->nColors + 1 > NamedColorList ->Allocated) {
        if (!GrowNamedColorList(NamedColorList)) return FALSE;
    }

    for (i=0; i < NamedColorList ->ColorantCount; i++)
        NamedColorList ->List[NamedColorList ->nColors].DeviceColorant[i] = Colorant == NULL? 0 : Colorant[i];

    for (i=0; i < 3; i++)
        NamedColorList ->List[NamedColorList ->nColors].PCS[i] = PCS == NULL ? 0 : PCS[i];

    if (Name != NULL) {

        strncpy(NamedColorList ->List[NamedColorList ->nColors].Name, Name, cmsMAX_PATH-1);
        NamedColorList ->List[NamedColorList ->nColors].Name[cmsMAX_PATH-1] = 0;

    }
    else
        NamedColorList ->List[NamedColorList ->nColors].Name[0] = 0;


    NamedColorList ->nColors++;
    return TRUE;
}

// Returns number of elements
cmsUInt32Number CMSEXPORT cmsNamedColorCount(const cmsNAMEDCOLORLIST* NamedColorList)
{
     if (NamedColorList == NULL) return 0;
     return NamedColorList ->nColors;
}

// Info aboout a given color
cmsBool  CMSEXPORT cmsNamedColorInfo(const cmsNAMEDCOLORLIST* NamedColorList, cmsUInt32Number nColor,
                                     char* Name,
                                     char* Prefix,
                                     char* Suffix,
                                     cmsUInt16Number* PCS,
                                     cmsUInt16Number* Colorant)
{
    if (NamedColorList == NULL) return FALSE;

    if (nColor >= cmsNamedColorCount(NamedColorList)) return FALSE;

    if (Name) strcpy(Name, NamedColorList->List[nColor].Name);
    if (Prefix) strcpy(Prefix, NamedColorList->Prefix);
    if (Suffix) strcpy(Suffix, NamedColorList->Suffix);
    if (PCS)
        memmove(PCS, NamedColorList ->List[nColor].PCS, 3*sizeof(cmsUInt16Number));

    if (Colorant)
        memmove(Colorant, NamedColorList ->List[nColor].DeviceColorant,
                                sizeof(cmsUInt16Number) * NamedColorList ->ColorantCount);


    return TRUE;
}

// Search for a given color name (no prefix or suffix)
cmsInt32Number CMSEXPORT cmsNamedColorIndex(const cmsNAMEDCOLORLIST* NamedColorList, const char* Name)
{
    int i, n;

    if (NamedColorList == NULL) return -1;
    n = cmsNamedColorCount(NamedColorList);
    for (i=0; i < n; i++) {
        if (cmsstrcasecmp(Name,  NamedColorList->List[i].Name) == 0)
            return i;
    }

    return -1;
}

// MPE support -----------------------------------------------------------------------------------------------------------------

static
void FreeNamedColorList(cmsStage* mpe)
{
    cmsNAMEDCOLORLIST* List = (cmsNAMEDCOLORLIST*) mpe ->Data;
    cmsFreeNamedColorList(List);
}

static
void* DupNamedColorList(cmsStage* mpe)
{
    cmsNAMEDCOLORLIST* List = (cmsNAMEDCOLORLIST*) mpe ->Data;
    return cmsDupNamedColorList(List);
}

static
void EvalNamedColorPCS(const cmsFloat32Number In[], cmsFloat32Number Out[], const cmsStage *mpe)
{
    cmsNAMEDCOLORLIST* NamedColorList = (cmsNAMEDCOLORLIST*) mpe ->Data;
    cmsUInt16Number index = (cmsUInt16Number) _cmsQuickSaturateWord(In[0] * 65535.0);

    if (index >= NamedColorList-> nColors) {
        cmsSignalError(NamedColorList ->ContextID, cmsERROR_RANGE, "Color %d out of range; ignored", index);
    }
    else {

            // Named color always uses Lab
            Out[0] = (cmsFloat32Number) (NamedColorList->List[index].PCS[0] / 65535.0);
            Out[1] = (cmsFloat32Number) (NamedColorList->List[index].PCS[1] / 65535.0);
            Out[2] = (cmsFloat32Number) (NamedColorList->List[index].PCS[2] / 65535.0);
    }
}

static
void EvalNamedColor(const cmsFloat32Number In[], cmsFloat32Number Out[], const cmsStage *mpe)
{
    cmsNAMEDCOLORLIST* NamedColorList = (cmsNAMEDCOLORLIST*) mpe ->Data;
    cmsUInt16Number index = (cmsUInt16Number) _cmsQuickSaturateWord(In[0] * 65535.0);
    cmsUInt32Number j;

    if (index >= NamedColorList-> nColors) {
        cmsSignalError(NamedColorList ->ContextID, cmsERROR_RANGE, "Color %d out of range; ignored", index);
    }
    else {
        for (j=0; j < NamedColorList ->ColorantCount; j++)
            Out[j] = (cmsFloat32Number) (NamedColorList->List[index].DeviceColorant[j] / 65535.0);
    }
}


// Named color lookup element
cmsStage* _cmsStageAllocNamedColor(cmsNAMEDCOLORLIST* NamedColorList, cmsBool UsePCS)
{
    return _cmsStageAllocPlaceholder(NamedColorList ->ContextID,
                                   cmsSigNamedColorElemType,
                                   1, UsePCS ? 3 : NamedColorList ->ColorantCount,
                                   UsePCS ? EvalNamedColorPCS : EvalNamedColor,
                                   DupNamedColorList,
                                   FreeNamedColorList,
                                   cmsDupNamedColorList(NamedColorList));

}


// Retrieve the named color list from a transform. Should be first element in the LUT
cmsNAMEDCOLORLIST* CMSEXPORT cmsGetNamedColorList(cmsHTRANSFORM xform)
{
    _cmsTRANSFORM* v = (_cmsTRANSFORM*) xform;
    cmsStage* mpe  = v ->Lut->Elements;

    if (mpe ->Type != cmsSigNamedColorElemType) return NULL;
    return (cmsNAMEDCOLORLIST*) mpe ->Data;
}


// Profile sequence description routines -------------------------------------------------------------------------------------

cmsSEQ* CMSEXPORT cmsAllocProfileSequenceDescription(cmsContext ContextID, cmsUInt32Number n)
{
    cmsSEQ* Seq;
    cmsUInt32Number i;

    if (n == 0) return NULL;

    // In a absolutely arbitrary way, I hereby decide to allow a maxim of 255 profiles linked
    // in a devicelink. It makes not sense anyway and may be used for exploits, so let's close the door!
    if (n > 255) return NULL;

    Seq = (cmsSEQ*) _cmsMallocZero(ContextID, sizeof(cmsSEQ));
    if (Seq == NULL) return NULL;

    Seq -> ContextID = ContextID;
    Seq -> seq      = (cmsPSEQDESC*) _cmsCalloc(ContextID, n, sizeof(cmsPSEQDESC));
    Seq -> n        = n;

    if (Seq -> seq == NULL) {
        _cmsFree(ContextID, Seq);
        return NULL;
    }

    for (i=0; i < n; i++) {
        Seq -> seq[i].Manufacturer = NULL;
        Seq -> seq[i].Model        = NULL;
        Seq -> seq[i].Description  = NULL;
    }

    return Seq;
}

void CMSEXPORT cmsFreeProfileSequenceDescription(cmsSEQ* pseq)
{
    cmsUInt32Number i;

    for (i=0; i < pseq ->n; i++) {
        if (pseq ->seq[i].Manufacturer != NULL) cmsMLUfree(pseq ->seq[i].Manufacturer);
        if (pseq ->seq[i].Model != NULL) cmsMLUfree(pseq ->seq[i].Model);
        if (pseq ->seq[i].Description != NULL) cmsMLUfree(pseq ->seq[i].Description);
    }

    if (pseq ->seq != NULL) _cmsFree(pseq ->ContextID, pseq ->seq);
    _cmsFree(pseq -> ContextID, pseq);
}

cmsSEQ* CMSEXPORT cmsDupProfileSequenceDescription(const cmsSEQ* pseq)
{
    cmsSEQ *NewSeq;
    cmsUInt32Number i;

    if (pseq == NULL)
        return NULL;

    NewSeq = (cmsSEQ*) _cmsMalloc(pseq -> ContextID, sizeof(cmsSEQ));
    if (NewSeq == NULL) return NULL;


    NewSeq -> seq      = (cmsPSEQDESC*) _cmsCalloc(pseq ->ContextID, pseq ->n, sizeof(cmsPSEQDESC));
    if (NewSeq ->seq == NULL) goto Error;

    NewSeq -> ContextID = pseq ->ContextID;
    NewSeq -> n        = pseq ->n;

    for (i=0; i < pseq->n; i++) {

        memmove(&NewSeq ->seq[i].attributes, &pseq ->seq[i].attributes, sizeof(cmsUInt64Number));

        NewSeq ->seq[i].deviceMfg   = pseq ->seq[i].deviceMfg;
        NewSeq ->seq[i].deviceModel = pseq ->seq[i].deviceModel;
        memmove(&NewSeq ->seq[i].ProfileID, &pseq ->seq[i].ProfileID, sizeof(cmsProfileID));
        NewSeq ->seq[i].technology  = pseq ->seq[i].technology;

        NewSeq ->seq[i].Manufacturer = cmsMLUdup(pseq ->seq[i].Manufacturer);
        NewSeq ->seq[i].Model        = cmsMLUdup(pseq ->seq[i].Model);
        NewSeq ->seq[i].Description  = cmsMLUdup(pseq ->seq[i].Description);

    }

    return NewSeq;

Error:

    cmsFreeProfileSequenceDescription(NewSeq);
    return NULL;
}

// Dictionaries --------------------------------------------------------------------------------------------------------

// Dictionaries are just very simple linked lists


typedef struct _cmsDICT_struct {
    cmsDICTentry* head;
    cmsContext ContextID;
} _cmsDICT;


// Allocate an empty dictionary
cmsHANDLE CMSEXPORT cmsDictAlloc(cmsContext ContextID)
{
    _cmsDICT* dict = (_cmsDICT*) _cmsMallocZero(ContextID, sizeof(_cmsDICT));
    if (dict == NULL) return NULL;

    dict ->ContextID = ContextID;
    return (cmsHANDLE) dict;

}

// Dispose resources
void CMSEXPORT cmsDictFree(cmsHANDLE hDict)
{
    _cmsDICT* dict = (_cmsDICT*) hDict;
    cmsDICTentry *entry, *next;

    _cmsAssert(dict != NULL);

    // Walk the list freeing all nodes
    entry = dict ->head;
    while (entry != NULL) {

            if (entry ->DisplayName  != NULL) cmsMLUfree(entry ->DisplayName);
            if (entry ->DisplayValue != NULL) cmsMLUfree(entry ->DisplayValue);
            if (entry ->Name != NULL) _cmsFree(dict ->ContextID, entry -> Name);
            if (entry ->Value != NULL) _cmsFree(dict ->ContextID, entry -> Value);

            // Don't fall in the habitual trap...
            next = entry ->Next;
            _cmsFree(dict ->ContextID, entry);

            entry = next;
    }

    _cmsFree(dict ->ContextID, dict);
}


// Duplicate a wide char string
static
wchar_t* DupWcs(cmsContext ContextID, const wchar_t* ptr)
{
    if (ptr == NULL) return NULL;
    return (wchar_t*) _cmsDupMem(ContextID, ptr, (mywcslen(ptr) + 1) * sizeof(wchar_t));
}

// Add a new entry to the linked list
cmsBool CMSEXPORT cmsDictAddEntry(cmsHANDLE hDict, const wchar_t* Name, const wchar_t* Value, const cmsMLU *DisplayName, const cmsMLU *DisplayValue)
{
    _cmsDICT* dict = (_cmsDICT*) hDict;
    cmsDICTentry *entry;

    _cmsAssert(dict != NULL);
    _cmsAssert(Name != NULL);

    entry = (cmsDICTentry*) _cmsMallocZero(dict ->ContextID, sizeof(cmsDICTentry));
    if (entry == NULL) return FALSE;

    entry ->DisplayName  = cmsMLUdup(DisplayName);
    entry ->DisplayValue = cmsMLUdup(DisplayValue);
    entry ->Name         = DupWcs(dict ->ContextID, Name);
    entry ->Value        = DupWcs(dict ->ContextID, Value);

    entry ->Next = dict ->head;
    dict ->head = entry;

    return TRUE;
}


// Duplicates an existing dictionary
cmsHANDLE CMSEXPORT cmsDictDup(cmsHANDLE hDict)
{
    _cmsDICT* old_dict = (_cmsDICT*) hDict;
    cmsHANDLE hNew;
    cmsDICTentry *entry;

    _cmsAssert(old_dict != NULL);

    hNew  = cmsDictAlloc(old_dict ->ContextID);
    if (hNew == NULL) return NULL;

    // Walk the list freeing all nodes
    entry = old_dict ->head;
    while (entry != NULL) {

        if (!cmsDictAddEntry(hNew, entry ->Name, entry ->Value, entry ->DisplayName, entry ->DisplayValue)) {

            cmsDictFree(hNew);
            return NULL;
        }

        entry = entry -> Next;
    }

    return hNew;
}

// Get a pointer to the linked list
const cmsDICTentry* CMSEXPORT cmsDictGetEntryList(cmsHANDLE hDict)
{
    _cmsDICT* dict = (_cmsDICT*) hDict;

    if (dict == NULL) return NULL;
    return dict ->head;
}

// Helper For external languages
const cmsDICTentry* CMSEXPORT cmsDictNextEntry(const cmsDICTentry* e)
{
     if (e == NULL) return NULL;
     return e ->Next;
}