JDK14/Java14源码在线阅读
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
// This file is available under and governed by the GNU General Public
// License version 2 only, as published by the Free Software Foundation.
// However, the following notice accompanied the original version of this
// file:
//
//---------------------------------------------------------------------------------
//
// Little Color Management System
// Copyright (c) 1998-2017 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)
{
cmsUInt32Number 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)
{
cmsUInt32Number 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 (int) 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;
}
// Convert from a 3-char code to a cmsUInt16Number. It is done in this way because some
// compilers don't properly align beginning of strings
static
cmsUInt16Number strTo16(const char str[3])
{
const cmsUInt8Number* ptr8 = (const cmsUInt8Number*)str;
cmsUInt16Number n = (cmsUInt16Number)(((cmsUInt16Number)ptr8[0] << 8) | ptr8[1]);
return n;
}
static
void strFrom16(char str[3], cmsUInt16Number n)
{
str[0] = (char)(n >> 8);
str[1] = (char)n;
str[2] = (char)0;
}
// Add an ASCII entry. Do not add any \0 termination (ICC1v43_2010-12.pdf page 61)
cmsBool CMSEXPORT cmsMLUsetASCII(cmsMLU* mlu, const char LanguageCode[3], const char CountryCode[3], const char* ASCIIString)
{
cmsUInt32Number i, len = (cmsUInt32Number) strlen(ASCIIString);
wchar_t* WStr;
cmsBool rc;
cmsUInt16Number Lang = strTo16(LanguageCode);
cmsUInt16Number Cntry = strTo16(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. Do not add any \0 terminator (ICC1v43_2010-12.pdf page 61)
cmsBool CMSEXPORT cmsMLUsetWide(cmsMLU* mlu, const char Language[3], const char Country[3], const wchar_t* WideString)
{
cmsUInt16Number Lang = strTo16(Language);
cmsUInt16Number Cntry = strTo16(Country);
cmsUInt32Number len;
if (mlu == NULL) return FALSE;
if (WideString == NULL) return FALSE;
len = (cmsUInt32Number) (mywcslen(WideString)) * 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)
{
cmsUInt32Number 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 = (int) 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 = strTo16(LanguageCode);
cmsUInt16Number Cntry = strTo16(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 = strTo16(LanguageCode);
cmsUInt16Number Cntry = strTo16(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 = strTo16(LanguageCode);
cmsUInt16Number Cntry = strTo16(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
strFrom16(ObtainedLanguage, ObtLang);
strFrom16(ObtainedCountry, ObtCode);
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 >= mlu->UsedEntries) return FALSE;
entry = &mlu->Entries[idx];
strFrom16(LanguageCode, entry->Language);
strFrom16(CountryCode, 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) {
_cmsFree(v->ContextID, (void*) v->List);
v->List = NULL;
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)) {
_cmsFree(ContextID, (void*) 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)) 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 ? (cmsUInt16Number)0 : Colorant[i];
for (i=0; i < 3; i++)
NamedColorList ->List[NamedColorList ->nColors].PCS[i] = PCS == NULL ? (cmsUInt16Number) 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;
// strcpy instead of strncpy because many apps are using small buffers
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)
{
cmsUInt32Number i;
cmsUInt32Number n;
if (NamedColorList == NULL) return -1;
n = cmsNamedColorCount(NamedColorList);
for (i=0; i < n; i++) {
if (cmsstrcasecmp(Name, NamedColorList->List[i].Name) == 0)
return (cmsInt32Number) 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", index);
Out[0] = Out[1] = Out[2] = 0.0f;
}
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", index);
for (j = 0; j < NamedColorList->ColorantCount; j++)
Out[j] = 0.0f;
}
else {
for (j=0; j < NamedColorList ->ColorantCount; j++)
Out[j] = (cmsFloat32Number) (NamedColorList->List[index].DeviceColorant[j] / 65535.0);
}
}
// Named color lookup element
cmsStage* CMSEXPORT _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
/**代码未完, 请加载全部代码(NowJava.com).**/
关注时代Java
关注时代Java