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Java example source code file (cmsnamed.c)

This example Java source code file (cmsnamed.c) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

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Java - Java tags/keywords

cmsexport, contextid, countrycode, entries, false, languagecode, mempool, namedcolorlist, newmlu, newptr, newseq, null, prefix, wide

The cmsnamed.c Java example source code

/*
 * 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) 1998-2012 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;
}


// 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[sizeof(v ->Prefix) - 1] = v->Suffix[sizeof(v ->Suffix) - 1] = 0;

    v -> ColorantCount = ColorantCount;

    return v;
}

// Free a list
void CMSEXPORT cmsFreeNamedColorList(cmsNAMEDCOLORLIST* v)
{
    if (v ->List) _cmsFree(v ->ContextID, v ->List);
    if (v) _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,
                    sizeof(NamedColorList ->List[NamedColorList ->nColors].Name) - 1);

        NamedColorList ->List[NamedColorList ->nColors].
            Name[sizeof(NamedColorList ->List[NamedColorList ->nColors].Name) - 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;
    _cmsDICT* new_dict;
    cmsDICTentry *entry;

    _cmsAssert(old_dict != NULL);

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

    new_dict = (_cmsDICT*) hNew;

    // 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;
}

Other Java examples (source code examples)

Here is a short list of links related to this Java cmsnamed.c source code file:

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