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authorTom Sepez <tsepez@chromium.org>2015-06-17 11:05:02 -0700
committerTom Sepez <tsepez@chromium.org>2015-06-17 11:05:02 -0700
commit8be557542973c786d1024a7bfb300df230f00464 (patch)
tree128ced2e83deea3920b043404336bc7ca9b0d1ef /third_party/lcms2-2.6/src/cmsnamed.c
parentb7d358b498800e4c240d381fa6f098af17a4d95b (diff)
downloadpdfium-8be557542973c786d1024a7bfb300df230f00464.tar.xz
Merge to XFA: Move lcms2 into third_party
Original Review URL: https://codereview.chromium.org/1181943008. TBR=thestig@chromium.org Review URL: https://codereview.chromium.org/1187273006.
Diffstat (limited to 'third_party/lcms2-2.6/src/cmsnamed.c')
-rw-r--r--third_party/lcms2-2.6/src/cmsnamed.c929
1 files changed, 929 insertions, 0 deletions
diff --git a/third_party/lcms2-2.6/src/cmsnamed.c b/third_party/lcms2-2.6/src/cmsnamed.c
new file mode 100644
index 0000000000..acfd1c8cf9
--- /dev/null
+++ b/third_party/lcms2-2.6/src/cmsnamed.c
@@ -0,0 +1,929 @@
+//---------------------------------------------------------------------------------
+//
+// 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)
+ GrowNamedColorList(v);
+
+ 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)
+ GrowNamedColorList(NewNC);
+
+ 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;
+}