1 //---------------------------------------------------------------------------------
3 // Little Color Management System
4 // Copyright (c) 1998-2016 Marti Maria Saguer
6 // Permission is hereby granted, free of charge, to any person obtaining
7 // a copy of this software and associated documentation files (the "Software"),
8 // to deal in the Software without restriction, including without limitation
9 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 // and/or sell copies of the Software, and to permit persons to whom the Software
11 // is furnished to do so, subject to the following conditions:
13 // The above copyright notice and this permission notice shall be included in
14 // all copies or substantial portions of the Software.
16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
18 // THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 //---------------------------------------------------------------------------------
27 #include "lcms2_internal.h"
29 // Multilocalized unicode objects. That is an attempt to encapsulate i18n.
32 // Allocates an empty multi localizad unicode object
33 cmsMLU* CMSEXPORT cmsMLUalloc(cmsContext ContextID, cmsUInt32Number nItems)
37 // nItems should be positive if given
38 if (nItems <= 0) nItems = 2;
40 // Create the container
41 mlu = (cmsMLU*) _cmsMallocZero(ContextID, sizeof(cmsMLU));
42 if (mlu == NULL) return NULL;
44 mlu ->ContextID = ContextID;
47 mlu ->Entries = (_cmsMLUentry*) _cmsCalloc(ContextID, nItems, sizeof(_cmsMLUentry));
48 if (mlu ->Entries == NULL) {
49 _cmsFree(ContextID, mlu);
53 // Ok, keep indexes up to date
54 mlu ->AllocatedEntries = nItems;
55 mlu ->UsedEntries = 0;
61 // Grows a mempool table for a MLU. Each time this function is called, mempool size is multiplied times two.
63 cmsBool GrowMLUpool(cmsMLU* mlu)
69 if (mlu == NULL) return FALSE;
71 if (mlu ->PoolSize == 0)
74 size = mlu ->PoolSize * 2;
77 if (size < mlu ->PoolSize) return FALSE;
79 // Reallocate the pool
80 NewPtr = _cmsRealloc(mlu ->ContextID, mlu ->MemPool, size);
81 if (NewPtr == NULL) return FALSE;
84 mlu ->MemPool = NewPtr;
85 mlu ->PoolSize = size;
91 // Grows a entry table for a MLU. Each time this function is called, table size is multiplied times two.
93 cmsBool GrowMLUtable(cmsMLU* mlu)
95 cmsUInt32Number AllocatedEntries;
99 if (mlu == NULL) return FALSE;
101 AllocatedEntries = mlu ->AllocatedEntries * 2;
103 // Check for overflow
104 if (AllocatedEntries / 2 != mlu ->AllocatedEntries) return FALSE;
106 // Reallocate the memory
107 NewPtr = (_cmsMLUentry*)_cmsRealloc(mlu ->ContextID, mlu ->Entries, AllocatedEntries*sizeof(_cmsMLUentry));
108 if (NewPtr == NULL) return FALSE;
110 mlu ->Entries = NewPtr;
111 mlu ->AllocatedEntries = AllocatedEntries;
117 // Search for a specific entry in the structure. Language and Country are used.
119 int SearchMLUEntry(cmsMLU* mlu, cmsUInt16Number LanguageCode, cmsUInt16Number CountryCode)
124 if (mlu == NULL) return -1;
126 // Iterate whole table
127 for (i=0; i < mlu ->UsedEntries; i++) {
129 if (mlu ->Entries[i].Country == CountryCode &&
130 mlu ->Entries[i].Language == LanguageCode) return i;
137 // Add a block of characters to the intended MLU. Language and country are specified.
138 // Only one entry for Language/country pair is allowed.
140 cmsBool AddMLUBlock(cmsMLU* mlu, cmsUInt32Number size, const wchar_t *Block,
141 cmsUInt16Number LanguageCode, cmsUInt16Number CountryCode)
143 cmsUInt32Number Offset;
147 if (mlu == NULL) return FALSE;
149 // Is there any room available?
150 if (mlu ->UsedEntries >= mlu ->AllocatedEntries) {
151 if (!GrowMLUtable(mlu)) return FALSE;
154 // Only one ASCII string
155 if (SearchMLUEntry(mlu, LanguageCode, CountryCode) >= 0) return FALSE; // Only one is allowed!
158 while ((mlu ->PoolSize - mlu ->PoolUsed) < size) {
160 if (!GrowMLUpool(mlu)) return FALSE;
163 Offset = mlu ->PoolUsed;
165 Ptr = (cmsUInt8Number*) mlu ->MemPool;
166 if (Ptr == NULL) return FALSE;
169 memmove(Ptr + Offset, Block, size);
170 mlu ->PoolUsed += size;
172 mlu ->Entries[mlu ->UsedEntries].StrW = Offset;
173 mlu ->Entries[mlu ->UsedEntries].Len = size;
174 mlu ->Entries[mlu ->UsedEntries].Country = CountryCode;
175 mlu ->Entries[mlu ->UsedEntries].Language = LanguageCode;
181 // Convert from a 3-char code to a cmsUInt16Number. It is done inthis way because some
182 // compilers don't properly align beginning of strings
185 cmsUInt16Number strTo16(const char str[3])
187 cmsUInt16Number n = ((cmsUInt16Number) str[0] << 8) | str[1];
189 return n; // Always big endian in this case
193 void strFrom16(char str[3], cmsUInt16Number n)
195 // Assiming this would be aligned
203 c.n = n; // Always big endian in this case
205 str[0] = c.str[0]; str[1] = c.str[1]; str[2] = 0;
209 // Add an ASCII entry. Do not add any \0 termination (ICC1v43_2010-12.pdf page 61)
210 cmsBool CMSEXPORT cmsMLUsetASCII(cmsMLU* mlu, const char LanguageCode[3], const char CountryCode[3], const char* ASCIIString)
212 cmsUInt32Number i, len = (cmsUInt32Number) strlen(ASCIIString);
215 cmsUInt16Number Lang = strTo16(LanguageCode);
216 cmsUInt16Number Cntry = strTo16(CountryCode);
218 if (mlu == NULL) return FALSE;
220 WStr = (wchar_t*) _cmsCalloc(mlu ->ContextID, len, sizeof(wchar_t));
221 if (WStr == NULL) return FALSE;
223 for (i=0; i < len; i++)
224 WStr[i] = (wchar_t) ASCIIString[i];
226 rc = AddMLUBlock(mlu, len * sizeof(wchar_t), WStr, Lang, Cntry);
228 _cmsFree(mlu ->ContextID, WStr);
233 // We don't need any wcs support library
235 cmsUInt32Number mywcslen(const wchar_t *s)
243 return (cmsUInt32Number)(p - s);
246 // Add a wide entry. Do not add any \0 terminator (ICC1v43_2010-12.pdf page 61)
247 cmsBool CMSEXPORT cmsMLUsetWide(cmsMLU* mlu, const char Language[3], const char Country[3], const wchar_t* WideString)
249 cmsUInt16Number Lang = strTo16(Language);
250 cmsUInt16Number Cntry = strTo16(Country);
253 if (mlu == NULL) return FALSE;
254 if (WideString == NULL) return FALSE;
256 len = (cmsUInt32Number) (mywcslen(WideString)) * sizeof(wchar_t);
257 return AddMLUBlock(mlu, len, WideString, Lang, Cntry);
260 // Duplicating a MLU is as easy as copying all members
261 cmsMLU* CMSEXPORT cmsMLUdup(const cmsMLU* mlu)
263 cmsMLU* NewMlu = NULL;
265 // Duplicating a NULL obtains a NULL
266 if (mlu == NULL) return NULL;
268 NewMlu = cmsMLUalloc(mlu ->ContextID, mlu ->UsedEntries);
269 if (NewMlu == NULL) return NULL;
271 // Should never happen
272 if (NewMlu ->AllocatedEntries < mlu ->UsedEntries)
276 if (NewMlu ->Entries == NULL || mlu ->Entries == NULL) goto Error;
278 memmove(NewMlu ->Entries, mlu ->Entries, mlu ->UsedEntries * sizeof(_cmsMLUentry));
279 NewMlu ->UsedEntries = mlu ->UsedEntries;
281 // The MLU may be empty
282 if (mlu ->PoolUsed == 0) {
283 NewMlu ->MemPool = NULL;
287 NewMlu ->MemPool = _cmsMalloc(mlu ->ContextID, mlu ->PoolUsed);
288 if (NewMlu ->MemPool == NULL) goto Error;
291 NewMlu ->PoolSize = mlu ->PoolUsed;
293 if (NewMlu ->MemPool == NULL || mlu ->MemPool == NULL) goto Error;
295 memmove(NewMlu ->MemPool, mlu->MemPool, mlu ->PoolUsed);
296 NewMlu ->PoolUsed = mlu ->PoolUsed;
302 if (NewMlu != NULL) cmsMLUfree(NewMlu);
306 // Free any used memory
307 void CMSEXPORT cmsMLUfree(cmsMLU* mlu)
311 if (mlu -> Entries) _cmsFree(mlu ->ContextID, mlu->Entries);
312 if (mlu -> MemPool) _cmsFree(mlu ->ContextID, mlu->MemPool);
314 _cmsFree(mlu ->ContextID, mlu);
319 // The algorithm first searches for an exact match of country and language, if not found it uses
320 // the Language. If none is found, first entry is used instead.
322 const wchar_t* _cmsMLUgetWide(const cmsMLU* mlu,
323 cmsUInt32Number *len,
324 cmsUInt16Number LanguageCode, cmsUInt16Number CountryCode,
325 cmsUInt16Number* UsedLanguageCode, cmsUInt16Number* UsedCountryCode)
328 cmsInt32Number Best = -1;
331 if (mlu == NULL) return NULL;
333 if (mlu -> AllocatedEntries <= 0) return NULL;
335 for (i=0; i < mlu ->UsedEntries; i++) {
337 v = mlu ->Entries + i;
339 if (v -> Language == LanguageCode) {
341 if (Best == -1) Best = i;
343 if (v -> Country == CountryCode) {
345 if (UsedLanguageCode != NULL) *UsedLanguageCode = v ->Language;
346 if (UsedCountryCode != NULL) *UsedCountryCode = v ->Country;
348 if (len != NULL) *len = v ->Len;
350 return (wchar_t*) ((cmsUInt8Number*) mlu ->MemPool + v -> StrW); // Found exact match
355 // No string found. Return First one
359 v = mlu ->Entries + Best;
361 if (UsedLanguageCode != NULL) *UsedLanguageCode = v ->Language;
362 if (UsedCountryCode != NULL) *UsedCountryCode = v ->Country;
364 if (len != NULL) *len = v ->Len;
366 return(wchar_t*) ((cmsUInt8Number*) mlu ->MemPool + v ->StrW);
370 // Obtain an ASCII representation of the wide string. Setting buffer to NULL returns the len
371 cmsUInt32Number CMSEXPORT cmsMLUgetASCII(const cmsMLU* mlu,
372 const char LanguageCode[3], const char CountryCode[3],
373 char* Buffer, cmsUInt32Number BufferSize)
376 cmsUInt32Number StrLen = 0;
377 cmsUInt32Number ASCIIlen, i;
379 cmsUInt16Number Lang = strTo16(LanguageCode);
380 cmsUInt16Number Cntry = strTo16(CountryCode);
383 if (mlu == NULL) return 0;
386 Wide = _cmsMLUgetWide(mlu, &StrLen, Lang, Cntry, NULL, NULL);
387 if (Wide == NULL) return 0;
389 ASCIIlen = StrLen / sizeof(wchar_t);
391 // Maybe we want only to know the len?
392 if (Buffer == NULL) return ASCIIlen + 1; // Note the zero at the end
394 // No buffer size means no data
395 if (BufferSize <= 0) return 0;
397 // Some clipping may be required
398 if (BufferSize < ASCIIlen + 1)
399 ASCIIlen = BufferSize - 1;
401 // Precess each character
402 for (i=0; i < ASCIIlen; i++) {
407 Buffer[i] = (char) Wide[i];
410 // We put a termination "\0"
411 Buffer[ASCIIlen] = 0;
415 // Obtain a wide representation of the MLU, on depending on current locale settings
416 cmsUInt32Number CMSEXPORT cmsMLUgetWide(const cmsMLU* mlu,
417 const char LanguageCode[3], const char CountryCode[3],
418 wchar_t* Buffer, cmsUInt32Number BufferSize)
421 cmsUInt32Number StrLen = 0;
423 cmsUInt16Number Lang = strTo16(LanguageCode);
424 cmsUInt16Number Cntry = strTo16(CountryCode);
427 if (mlu == NULL) return 0;
429 Wide = _cmsMLUgetWide(mlu, &StrLen, Lang, Cntry, NULL, NULL);
430 if (Wide == NULL) return 0;
432 // Maybe we want only to know the len?
433 if (Buffer == NULL) return StrLen + sizeof(wchar_t);
435 // No buffer size means no data
436 if (BufferSize <= 0) return 0;
438 // Some clipping may be required
439 if (BufferSize < StrLen + sizeof(wchar_t))
440 StrLen = BufferSize - + sizeof(wchar_t);
442 memmove(Buffer, Wide, StrLen);
443 Buffer[StrLen / sizeof(wchar_t)] = 0;
445 return StrLen + sizeof(wchar_t);
449 // Get also the language and country
450 CMSAPI cmsBool CMSEXPORT cmsMLUgetTranslation(const cmsMLU* mlu,
451 const char LanguageCode[3], const char CountryCode[3],
452 char ObtainedLanguage[3], char ObtainedCountry[3])
456 cmsUInt16Number Lang = strTo16(LanguageCode);
457 cmsUInt16Number Cntry = strTo16(CountryCode);
458 cmsUInt16Number ObtLang, ObtCode;
461 if (mlu == NULL) return FALSE;
463 Wide = _cmsMLUgetWide(mlu, NULL, Lang, Cntry, &ObtLang, &ObtCode);
464 if (Wide == NULL) return FALSE;
466 // Get used language and code
467 strFrom16(ObtainedLanguage, ObtLang);
468 strFrom16(ObtainedCountry, ObtCode);
475 // Get the number of translations in the MLU object
476 cmsUInt32Number CMSEXPORT cmsMLUtranslationsCount(const cmsMLU* mlu)
478 if (mlu == NULL) return 0;
479 return mlu->UsedEntries;
482 // Get the language and country codes for a specific MLU index
483 cmsBool CMSEXPORT cmsMLUtranslationsCodes(const cmsMLU* mlu,
485 char LanguageCode[3],
490 if (mlu == NULL) return FALSE;
492 if (idx >= mlu->UsedEntries) return FALSE;
494 entry = &mlu->Entries[idx];
496 strFrom16(LanguageCode, entry->Language);
497 strFrom16(CountryCode, entry->Country);
503 // Named color lists --------------------------------------------------------------------------------------------
505 // Grow the list to keep at least NumElements
507 cmsBool GrowNamedColorList(cmsNAMEDCOLORLIST* v)
509 cmsUInt32Number size;
510 _cmsNAMEDCOLOR * NewPtr;
512 if (v == NULL) return FALSE;
514 if (v ->Allocated == 0)
515 size = 64; // Initial guess
517 size = v ->Allocated * 2;
519 // Keep a maximum color lists can grow, 100K entries seems reasonable
520 if (size > 1024*100) return FALSE;
522 NewPtr = (_cmsNAMEDCOLOR*) _cmsRealloc(v ->ContextID, v ->List, size * sizeof(_cmsNAMEDCOLOR));
527 v ->Allocated = size;
531 // Allocate a list for n elements
532 cmsNAMEDCOLORLIST* CMSEXPORT cmsAllocNamedColorList(cmsContext ContextID, cmsUInt32Number n, cmsUInt32Number ColorantCount, const char* Prefix, const char* Suffix)
534 cmsNAMEDCOLORLIST* v = (cmsNAMEDCOLORLIST*) _cmsMallocZero(ContextID, sizeof(cmsNAMEDCOLORLIST));
536 if (v == NULL) return NULL;
540 v ->ContextID = ContextID;
542 while (v -> Allocated < n){
543 if (!GrowNamedColorList(v)) return NULL;
546 strncpy(v ->Prefix, Prefix, sizeof(v ->Prefix)-1);
547 strncpy(v ->Suffix, Suffix, sizeof(v ->Suffix)-1);
548 v->Prefix[32] = v->Suffix[32] = 0;
550 v -> ColorantCount = ColorantCount;
556 void CMSEXPORT cmsFreeNamedColorList(cmsNAMEDCOLORLIST* v)
558 if (v == NULL) return;
559 if (v ->List) _cmsFree(v ->ContextID, v ->List);
560 _cmsFree(v ->ContextID, v);
563 cmsNAMEDCOLORLIST* CMSEXPORT cmsDupNamedColorList(const cmsNAMEDCOLORLIST* v)
565 cmsNAMEDCOLORLIST* NewNC;
567 if (v == NULL) return NULL;
569 NewNC= cmsAllocNamedColorList(v ->ContextID, v -> nColors, v ->ColorantCount, v ->Prefix, v ->Suffix);
570 if (NewNC == NULL) return NULL;
572 // For really large tables we need this
573 while (NewNC ->Allocated < v ->Allocated){
574 if (!GrowNamedColorList(NewNC)) return NULL;
577 memmove(NewNC ->Prefix, v ->Prefix, sizeof(v ->Prefix));
578 memmove(NewNC ->Suffix, v ->Suffix, sizeof(v ->Suffix));
579 NewNC ->ColorantCount = v ->ColorantCount;
580 memmove(NewNC->List, v ->List, v->nColors * sizeof(_cmsNAMEDCOLOR));
581 NewNC ->nColors = v ->nColors;
586 // Append a color to a list. List pointer may change if reallocated
587 cmsBool CMSEXPORT cmsAppendNamedColor(cmsNAMEDCOLORLIST* NamedColorList,
589 cmsUInt16Number PCS[3], cmsUInt16Number Colorant[cmsMAXCHANNELS])
593 if (NamedColorList == NULL) return FALSE;
595 if (NamedColorList ->nColors + 1 > NamedColorList ->Allocated) {
596 if (!GrowNamedColorList(NamedColorList)) return FALSE;
599 for (i=0; i < NamedColorList ->ColorantCount; i++)
600 NamedColorList ->List[NamedColorList ->nColors].DeviceColorant[i] = Colorant == NULL? 0 : Colorant[i];
602 for (i=0; i < 3; i++)
603 NamedColorList ->List[NamedColorList ->nColors].PCS[i] = PCS == NULL ? 0 : PCS[i];
607 strncpy(NamedColorList ->List[NamedColorList ->nColors].Name, Name, cmsMAX_PATH-1);
608 NamedColorList ->List[NamedColorList ->nColors].Name[cmsMAX_PATH-1] = 0;
612 NamedColorList ->List[NamedColorList ->nColors].Name[0] = 0;
615 NamedColorList ->nColors++;
619 // Returns number of elements
620 cmsUInt32Number CMSEXPORT cmsNamedColorCount(const cmsNAMEDCOLORLIST* NamedColorList)
622 if (NamedColorList == NULL) return 0;
623 return NamedColorList ->nColors;
626 // Info aboout a given color
627 cmsBool CMSEXPORT cmsNamedColorInfo(const cmsNAMEDCOLORLIST* NamedColorList, cmsUInt32Number nColor,
631 cmsUInt16Number* PCS,
632 cmsUInt16Number* Colorant)
634 if (NamedColorList == NULL) return FALSE;
636 if (nColor >= cmsNamedColorCount(NamedColorList)) return FALSE;
638 if (Name) strcpy(Name, NamedColorList->List[nColor].Name);
639 if (Prefix) strcpy(Prefix, NamedColorList->Prefix);
640 if (Suffix) strcpy(Suffix, NamedColorList->Suffix);
642 memmove(PCS, NamedColorList ->List[nColor].PCS, 3*sizeof(cmsUInt16Number));
645 memmove(Colorant, NamedColorList ->List[nColor].DeviceColorant,
646 sizeof(cmsUInt16Number) * NamedColorList ->ColorantCount);
652 // Search for a given color name (no prefix or suffix)
653 cmsInt32Number CMSEXPORT cmsNamedColorIndex(const cmsNAMEDCOLORLIST* NamedColorList, const char* Name)
657 if (NamedColorList == NULL) return -1;
658 n = cmsNamedColorCount(NamedColorList);
659 for (i=0; i < n; i++) {
660 if (cmsstrcasecmp(Name, NamedColorList->List[i].Name) == 0)
667 // MPE support -----------------------------------------------------------------------------------------------------------------
670 void FreeNamedColorList(cmsStage* mpe)
672 cmsNAMEDCOLORLIST* List = (cmsNAMEDCOLORLIST*) mpe ->Data;
673 cmsFreeNamedColorList(List);
677 void* DupNamedColorList(cmsStage* mpe)
679 cmsNAMEDCOLORLIST* List = (cmsNAMEDCOLORLIST*) mpe ->Data;
680 return cmsDupNamedColorList(List);
684 void EvalNamedColorPCS(const cmsFloat32Number In[], cmsFloat32Number Out[], const cmsStage *mpe)
686 cmsNAMEDCOLORLIST* NamedColorList = (cmsNAMEDCOLORLIST*) mpe ->Data;
687 cmsUInt16Number index = (cmsUInt16Number) _cmsQuickSaturateWord(In[0] * 65535.0);
689 if (index >= NamedColorList-> nColors) {
690 cmsSignalError(NamedColorList ->ContextID, cmsERROR_RANGE, "Color %d out of range; ignored", index);
694 // Named color always uses Lab
695 Out[0] = (cmsFloat32Number) (NamedColorList->List[index].PCS[0] / 65535.0);
696 Out[1] = (cmsFloat32Number) (NamedColorList->List[index].PCS[1] / 65535.0);
697 Out[2] = (cmsFloat32Number) (NamedColorList->List[index].PCS[2] / 65535.0);
702 void EvalNamedColor(const cmsFloat32Number In[], cmsFloat32Number Out[], const cmsStage *mpe)
704 cmsNAMEDCOLORLIST* NamedColorList = (cmsNAMEDCOLORLIST*) mpe ->Data;
705 cmsUInt16Number index = (cmsUInt16Number) _cmsQuickSaturateWord(In[0] * 65535.0);
708 if (index >= NamedColorList-> nColors) {
709 cmsSignalError(NamedColorList ->ContextID, cmsERROR_RANGE, "Color %d out of range; ignored", index);
712 for (j=0; j < NamedColorList ->ColorantCount; j++)
713 Out[j] = (cmsFloat32Number) (NamedColorList->List[index].DeviceColorant[j] / 65535.0);
718 // Named color lookup element
719 cmsStage* _cmsStageAllocNamedColor(cmsNAMEDCOLORLIST* NamedColorList, cmsBool UsePCS)
721 return _cmsStageAllocPlaceholder(NamedColorList ->ContextID,
722 cmsSigNamedColorElemType,
723 1, UsePCS ? 3 : NamedColorList ->ColorantCount,
724 UsePCS ? EvalNamedColorPCS : EvalNamedColor,
727 cmsDupNamedColorList(NamedColorList));
732 // Retrieve the named color list from a transform. Should be first element in the LUT
733 cmsNAMEDCOLORLIST* CMSEXPORT cmsGetNamedColorList(cmsHTRANSFORM xform)
735 _cmsTRANSFORM* v = (_cmsTRANSFORM*) xform;
736 cmsStage* mpe = v ->Lut->Elements;
738 if (mpe ->Type != cmsSigNamedColorElemType) return NULL;
739 return (cmsNAMEDCOLORLIST*) mpe ->Data;
743 // Profile sequence description routines -------------------------------------------------------------------------------------
745 cmsSEQ* CMSEXPORT cmsAllocProfileSequenceDescription(cmsContext ContextID, cmsUInt32Number n)
750 if (n == 0) return NULL;
752 // In a absolutely arbitrary way, I hereby decide to allow a maxim of 255 profiles linked
753 // in a devicelink. It makes not sense anyway and may be used for exploits, so let's close the door!
754 if (n > 255) return NULL;
756 Seq = (cmsSEQ*) _cmsMallocZero(ContextID, sizeof(cmsSEQ));
757 if (Seq == NULL) return NULL;
759 Seq -> ContextID = ContextID;
760 Seq -> seq = (cmsPSEQDESC*) _cmsCalloc(ContextID, n, sizeof(cmsPSEQDESC));
763 if (Seq -> seq == NULL) {
764 _cmsFree(ContextID, Seq);
768 for (i=0; i < n; i++) {
769 Seq -> seq[i].Manufacturer = NULL;
770 Seq -> seq[i].Model = NULL;
771 Seq -> seq[i].Description = NULL;
777 void CMSEXPORT cmsFreeProfileSequenceDescription(cmsSEQ* pseq)
781 for (i=0; i < pseq ->n; i++) {
782 if (pseq ->seq[i].Manufacturer != NULL) cmsMLUfree(pseq ->seq[i].Manufacturer);
783 if (pseq ->seq[i].Model != NULL) cmsMLUfree(pseq ->seq[i].Model);
784 if (pseq ->seq[i].Description != NULL) cmsMLUfree(pseq ->seq[i].Description);
787 if (pseq ->seq != NULL) _cmsFree(pseq ->ContextID, pseq ->seq);
788 _cmsFree(pseq -> ContextID, pseq);
791 cmsSEQ* CMSEXPORT cmsDupProfileSequenceDescription(const cmsSEQ* pseq)
799 NewSeq = (cmsSEQ*) _cmsMalloc(pseq -> ContextID, sizeof(cmsSEQ));
800 if (NewSeq == NULL) return NULL;
803 NewSeq -> seq = (cmsPSEQDESC*) _cmsCalloc(pseq ->ContextID, pseq ->n, sizeof(cmsPSEQDESC));
804 if (NewSeq ->seq == NULL) goto Error;
806 NewSeq -> ContextID = pseq ->ContextID;
807 NewSeq -> n = pseq ->n;
809 for (i=0; i < pseq->n; i++) {
811 memmove(&NewSeq ->seq[i].attributes, &pseq ->seq[i].attributes, sizeof(cmsUInt64Number));
813 NewSeq ->seq[i].deviceMfg = pseq ->seq[i].deviceMfg;
814 NewSeq ->seq[i].deviceModel = pseq ->seq[i].deviceModel;
815 memmove(&NewSeq ->seq[i].ProfileID, &pseq ->seq[i].ProfileID, sizeof(cmsProfileID));
816 NewSeq ->seq[i].technology = pseq ->seq[i].technology;
818 NewSeq ->seq[i].Manufacturer = cmsMLUdup(pseq ->seq[i].Manufacturer);
819 NewSeq ->seq[i].Model = cmsMLUdup(pseq ->seq[i].Model);
820 NewSeq ->seq[i].Description = cmsMLUdup(pseq ->seq[i].Description);
828 cmsFreeProfileSequenceDescription(NewSeq);
832 // Dictionaries --------------------------------------------------------------------------------------------------------
834 // Dictionaries are just very simple linked lists
837 typedef struct _cmsDICT_struct {
839 cmsContext ContextID;
843 // Allocate an empty dictionary
844 cmsHANDLE CMSEXPORT cmsDictAlloc(cmsContext ContextID)
846 _cmsDICT* dict = (_cmsDICT*) _cmsMallocZero(ContextID, sizeof(_cmsDICT));
847 if (dict == NULL) return NULL;
849 dict ->ContextID = ContextID;
850 return (cmsHANDLE) dict;
855 void CMSEXPORT cmsDictFree(cmsHANDLE hDict)
857 _cmsDICT* dict = (_cmsDICT*) hDict;
858 cmsDICTentry *entry, *next;
860 _cmsAssert(dict != NULL);
862 // Walk the list freeing all nodes
864 while (entry != NULL) {
866 if (entry ->DisplayName != NULL) cmsMLUfree(entry ->DisplayName);
867 if (entry ->DisplayValue != NULL) cmsMLUfree(entry ->DisplayValue);
868 if (entry ->Name != NULL) _cmsFree(dict ->ContextID, entry -> Name);
869 if (entry ->Value != NULL) _cmsFree(dict ->ContextID, entry -> Value);
871 // Don't fall in the habitual trap...
873 _cmsFree(dict ->ContextID, entry);
878 _cmsFree(dict ->ContextID, dict);
882 // Duplicate a wide char string
884 wchar_t* DupWcs(cmsContext ContextID, const wchar_t* ptr)
886 if (ptr == NULL) return NULL;
887 return (wchar_t*) _cmsDupMem(ContextID, ptr, (mywcslen(ptr) + 1) * sizeof(wchar_t));
890 // Add a new entry to the linked list
891 cmsBool CMSEXPORT cmsDictAddEntry(cmsHANDLE hDict, const wchar_t* Name, const wchar_t* Value, const cmsMLU *DisplayName, const cmsMLU *DisplayValue)
893 _cmsDICT* dict = (_cmsDICT*) hDict;
896 _cmsAssert(dict != NULL);
897 _cmsAssert(Name != NULL);
899 entry = (cmsDICTentry*) _cmsMallocZero(dict ->ContextID, sizeof(cmsDICTentry));
900 if (entry == NULL) return FALSE;
902 entry ->DisplayName = cmsMLUdup(DisplayName);
903 entry ->DisplayValue = cmsMLUdup(DisplayValue);
904 entry ->Name = DupWcs(dict ->ContextID, Name);
905 entry ->Value = DupWcs(dict ->ContextID, Value);
907 entry ->Next = dict ->head;
914 // Duplicates an existing dictionary
915 cmsHANDLE CMSEXPORT cmsDictDup(cmsHANDLE hDict)
917 _cmsDICT* old_dict = (_cmsDICT*) hDict;
921 _cmsAssert(old_dict != NULL);
923 hNew = cmsDictAlloc(old_dict ->ContextID);
924 if (hNew == NULL) return NULL;
926 // Walk the list freeing all nodes
927 entry = old_dict ->head;
928 while (entry != NULL) {
930 if (!cmsDictAddEntry(hNew, entry ->Name, entry ->Value, entry ->DisplayName, entry ->DisplayValue)) {
936 entry = entry -> Next;
942 // Get a pointer to the linked list
943 const cmsDICTentry* CMSEXPORT cmsDictGetEntryList(cmsHANDLE hDict)
945 _cmsDICT* dict = (_cmsDICT*) hDict;
947 if (dict == NULL) return NULL;
951 // Helper For external languages
952 const cmsDICTentry* CMSEXPORT cmsDictNextEntry(const cmsDICTentry* e)
954 if (e == NULL) return NULL;