Java example source code file (cmsplugin.c)
The cmsplugin.c Java example source code
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*
* 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
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* This code is distributed in the hope that it will be useful, but WITHOUT
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// 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) 1998-2010 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"
// ----------------------------------------------------------------------------------
// Encoding & Decoding support functions
// ----------------------------------------------------------------------------------
// Little-Endian to Big-Endian
// Adjust a word value after being readed/ before being written from/to an ICC profile
cmsUInt16Number CMSEXPORT _cmsAdjustEndianess16(cmsUInt16Number Word)
{
#ifndef CMS_USE_BIG_ENDIAN
cmsUInt8Number* pByte = (cmsUInt8Number*) &Word;
cmsUInt8Number tmp;
tmp = pByte[0];
pByte[0] = pByte[1];
pByte[1] = tmp;
#endif
return Word;
}
// Transports to properly encoded values - note that icc profiles does use big endian notation.
// 1 2 3 4
// 4 3 2 1
cmsUInt32Number CMSEXPORT _cmsAdjustEndianess32(cmsUInt32Number DWord)
{
#ifndef CMS_USE_BIG_ENDIAN
cmsUInt8Number* pByte = (cmsUInt8Number*) &DWord;
cmsUInt8Number temp1;
cmsUInt8Number temp2;
temp1 = *pByte++;
temp2 = *pByte++;
*(pByte-1) = *pByte;
*pByte++ = temp2;
*(pByte-3) = *pByte;
*pByte = temp1;
#endif
return DWord;
}
// 1 2 3 4 5 6 7 8
// 8 7 6 5 4 3 2 1
void CMSEXPORT _cmsAdjustEndianess64(cmsUInt64Number* Result, cmsUInt64Number* QWord)
{
#ifndef CMS_USE_BIG_ENDIAN
cmsUInt8Number* pIn = (cmsUInt8Number*) QWord;
cmsUInt8Number* pOut = (cmsUInt8Number*) Result;
_cmsAssert(Result != NULL);
pOut[7] = pIn[0];
pOut[6] = pIn[1];
pOut[5] = pIn[2];
pOut[4] = pIn[3];
pOut[3] = pIn[4];
pOut[2] = pIn[5];
pOut[1] = pIn[6];
pOut[0] = pIn[7];
#else
_cmsAssert(Result != NULL);
*Result = *QWord;
#endif
}
// Auxiliar -- read 8, 16 and 32-bit numbers
cmsBool CMSEXPORT _cmsReadUInt8Number(cmsIOHANDLER* io, cmsUInt8Number* n)
{
cmsUInt8Number tmp;
_cmsAssert(io != NULL);
if (io -> Read(io, &tmp, sizeof(cmsUInt8Number), 1) != 1)
return FALSE;
if (n != NULL) *n = tmp;
return TRUE;
}
cmsBool CMSEXPORT _cmsReadUInt16Number(cmsIOHANDLER* io, cmsUInt16Number* n)
{
cmsUInt16Number tmp;
_cmsAssert(io != NULL);
if (io -> Read(io, &tmp, sizeof(cmsUInt16Number), 1) != 1)
return FALSE;
if (n != NULL) *n = _cmsAdjustEndianess16(tmp);
return TRUE;
}
cmsBool CMSEXPORT _cmsReadUInt16Array(cmsIOHANDLER* io, cmsUInt32Number n, cmsUInt16Number* Array)
{
cmsUInt32Number i;
_cmsAssert(io != NULL);
for (i=0; i < n; i++) {
if (Array != NULL) {
if (!_cmsReadUInt16Number(io, Array + i)) return FALSE;
}
else {
if (!_cmsReadUInt16Number(io, NULL)) return FALSE;
}
}
return TRUE;
}
cmsBool CMSEXPORT _cmsReadUInt32Number(cmsIOHANDLER* io, cmsUInt32Number* n)
{
cmsUInt32Number tmp;
_cmsAssert(io != NULL);
if (io -> Read(io, &tmp, sizeof(cmsUInt32Number), 1) != 1)
return FALSE;
if (n != NULL) *n = _cmsAdjustEndianess32(tmp);
return TRUE;
}
cmsBool CMSEXPORT _cmsReadFloat32Number(cmsIOHANDLER* io, cmsFloat32Number* n)
{
cmsUInt32Number tmp;
_cmsAssert(io != NULL);
if (io -> Read(io, &tmp, sizeof(cmsFloat32Number), 1) != 1)
return FALSE;
if (n != NULL) {
tmp = _cmsAdjustEndianess32(tmp);
*n = *(cmsFloat32Number*) &tmp;
}
return TRUE;
}
cmsBool CMSEXPORT _cmsReadUInt64Number(cmsIOHANDLER* io, cmsUInt64Number* n)
{
cmsUInt64Number tmp;
_cmsAssert(io != NULL);
if (io -> Read(io, &tmp, sizeof(cmsUInt64Number), 1) != 1)
return FALSE;
if (n != NULL) _cmsAdjustEndianess64(n, &tmp);
return TRUE;
}
cmsBool CMSEXPORT _cmsRead15Fixed16Number(cmsIOHANDLER* io, cmsFloat64Number* n)
{
cmsUInt32Number tmp;
_cmsAssert(io != NULL);
if (io -> Read(io, &tmp, sizeof(cmsUInt32Number), 1) != 1)
return FALSE;
if (n != NULL) {
*n = _cms15Fixed16toDouble(_cmsAdjustEndianess32(tmp));
}
return TRUE;
}
// Jun-21-2000: Some profiles (those that comes with W2K) comes
// with the media white (media black?) x 100. Add a sanity check
static
void NormalizeXYZ(cmsCIEXYZ* Dest)
{
while (Dest -> X > 2. &&
Dest -> Y > 2. &&
Dest -> Z > 2.) {
Dest -> X /= 10.;
Dest -> Y /= 10.;
Dest -> Z /= 10.;
}
}
cmsBool CMSEXPORT _cmsReadXYZNumber(cmsIOHANDLER* io, cmsCIEXYZ* XYZ)
{
cmsEncodedXYZNumber xyz;
_cmsAssert(io != NULL);
if (io ->Read(io, &xyz, sizeof(cmsEncodedXYZNumber), 1) != 1) return FALSE;
if (XYZ != NULL) {
XYZ->X = _cms15Fixed16toDouble(_cmsAdjustEndianess32(xyz.X));
XYZ->Y = _cms15Fixed16toDouble(_cmsAdjustEndianess32(xyz.Y));
XYZ->Z = _cms15Fixed16toDouble(_cmsAdjustEndianess32(xyz.Z));
NormalizeXYZ(XYZ);
}
return TRUE;
}
cmsBool CMSEXPORT _cmsWriteUInt8Number(cmsIOHANDLER* io, cmsUInt8Number n)
{
_cmsAssert(io != NULL);
if (io -> Write(io, sizeof(cmsUInt8Number), &n) != 1)
return FALSE;
return TRUE;
}
cmsBool CMSEXPORT _cmsWriteUInt16Number(cmsIOHANDLER* io, cmsUInt16Number n)
{
cmsUInt16Number tmp;
_cmsAssert(io != NULL);
tmp = _cmsAdjustEndianess16(n);
if (io -> Write(io, sizeof(cmsUInt16Number), &tmp) != 1)
return FALSE;
return TRUE;
}
cmsBool CMSEXPORT _cmsWriteUInt16Array(cmsIOHANDLER* io, cmsUInt32Number n, const cmsUInt16Number* Array)
{
cmsUInt32Number i;
_cmsAssert(io != NULL);
_cmsAssert(Array != NULL);
for (i=0; i < n; i++) {
if (!_cmsWriteUInt16Number(io, Array[i])) return FALSE;
}
return TRUE;
}
cmsBool CMSEXPORT _cmsWriteUInt32Number(cmsIOHANDLER* io, cmsUInt32Number n)
{
cmsUInt32Number tmp;
_cmsAssert(io != NULL);
tmp = _cmsAdjustEndianess32(n);
if (io -> Write(io, sizeof(cmsUInt32Number), &tmp) != 1)
return FALSE;
return TRUE;
}
cmsBool CMSEXPORT _cmsWriteFloat32Number(cmsIOHANDLER* io, cmsFloat32Number n)
{
cmsUInt32Number tmp;
_cmsAssert(io != NULL);
tmp = *(cmsUInt32Number*) &n;
tmp = _cmsAdjustEndianess32(tmp);
if (io -> Write(io, sizeof(cmsUInt32Number), &tmp) != 1)
return FALSE;
return TRUE;
}
cmsBool CMSEXPORT _cmsWriteUInt64Number(cmsIOHANDLER* io, cmsUInt64Number* n)
{
cmsUInt64Number tmp;
_cmsAssert(io != NULL);
_cmsAdjustEndianess64(&tmp, n);
if (io -> Write(io, sizeof(cmsUInt64Number), &tmp) != 1)
return FALSE;
return TRUE;
}
cmsBool CMSEXPORT _cmsWrite15Fixed16Number(cmsIOHANDLER* io, cmsFloat64Number n)
{
cmsUInt32Number tmp;
_cmsAssert(io != NULL);
tmp = _cmsAdjustEndianess32(_cmsDoubleTo15Fixed16(n));
if (io -> Write(io, sizeof(cmsUInt32Number), &tmp) != 1)
return FALSE;
return TRUE;
}
cmsBool CMSEXPORT _cmsWriteXYZNumber(cmsIOHANDLER* io, const cmsCIEXYZ* XYZ)
{
cmsEncodedXYZNumber xyz;
_cmsAssert(io != NULL);
_cmsAssert(XYZ != NULL);
xyz.X = _cmsAdjustEndianess32(_cmsDoubleTo15Fixed16(XYZ->X));
xyz.Y = _cmsAdjustEndianess32(_cmsDoubleTo15Fixed16(XYZ->Y));
xyz.Z = _cmsAdjustEndianess32(_cmsDoubleTo15Fixed16(XYZ->Z));
return io -> Write(io, sizeof(cmsEncodedXYZNumber), &xyz);
}
// from Fixed point 8.8 to double
cmsFloat64Number CMSEXPORT _cms8Fixed8toDouble(cmsUInt16Number fixed8)
{
cmsUInt8Number msb, lsb;
lsb = (cmsUInt8Number) (fixed8 & 0xff);
msb = (cmsUInt8Number) (((cmsUInt16Number) fixed8 >> 8) & 0xff);
return (cmsFloat64Number) ((cmsFloat64Number) msb + ((cmsFloat64Number) lsb / 256.0));
}
cmsUInt16Number CMSEXPORT _cmsDoubleTo8Fixed8(cmsFloat64Number val)
{
cmsS15Fixed16Number GammaFixed32 = _cmsDoubleTo15Fixed16(val);
return (cmsUInt16Number) ((GammaFixed32 >> 8) & 0xFFFF);
}
// from Fixed point 15.16 to double
cmsFloat64Number CMSEXPORT _cms15Fixed16toDouble(cmsS15Fixed16Number fix32)
{
cmsFloat64Number floater, sign, mid;
int Whole, FracPart;
sign = (fix32 < 0 ? -1 : 1);
fix32 = abs(fix32);
Whole = (cmsUInt16Number)(fix32 >> 16) & 0xffff;
FracPart = (cmsUInt16Number)(fix32 & 0xffff);
mid = (cmsFloat64Number) FracPart / 65536.0;
floater = (cmsFloat64Number) Whole + mid;
return sign * floater;
}
// from double to Fixed point 15.16
cmsS15Fixed16Number CMSEXPORT _cmsDoubleTo15Fixed16(cmsFloat64Number v)
{
return ((cmsS15Fixed16Number) floor((v)*65536.0 + 0.5));
}
// Date/Time functions
void CMSEXPORT _cmsDecodeDateTimeNumber(const cmsDateTimeNumber *Source, struct tm *Dest)
{
_cmsAssert(Dest != NULL);
_cmsAssert(Source != NULL);
Dest->tm_sec = _cmsAdjustEndianess16(Source->seconds);
Dest->tm_min = _cmsAdjustEndianess16(Source->minutes);
Dest->tm_hour = _cmsAdjustEndianess16(Source->hours);
Dest->tm_mday = _cmsAdjustEndianess16(Source->day);
Dest->tm_mon = _cmsAdjustEndianess16(Source->month) - 1;
Dest->tm_year = _cmsAdjustEndianess16(Source->year) - 1900;
Dest->tm_wday = -1;
Dest->tm_yday = -1;
Dest->tm_isdst = 0;
}
void CMSEXPORT _cmsEncodeDateTimeNumber(cmsDateTimeNumber *Dest, const struct tm *Source)
{
_cmsAssert(Dest != NULL);
_cmsAssert(Source != NULL);
Dest->seconds = _cmsAdjustEndianess16((cmsUInt16Number) Source->tm_sec);
Dest->minutes = _cmsAdjustEndianess16((cmsUInt16Number) Source->tm_min);
Dest->hours = _cmsAdjustEndianess16((cmsUInt16Number) Source->tm_hour);
Dest->day = _cmsAdjustEndianess16((cmsUInt16Number) Source->tm_mday);
Dest->month = _cmsAdjustEndianess16((cmsUInt16Number) (Source->tm_mon + 1));
Dest->year = _cmsAdjustEndianess16((cmsUInt16Number) (Source->tm_year + 1900));
}
// Read base and return type base
cmsTagTypeSignature CMSEXPORT _cmsReadTypeBase(cmsIOHANDLER* io)
{
_cmsTagBase Base;
_cmsAssert(io != NULL);
if (io -> Read(io, &Base, sizeof(_cmsTagBase), 1) != 1)
return (cmsTagTypeSignature) 0;
return (cmsTagTypeSignature) _cmsAdjustEndianess32(Base.sig);
}
// Setup base marker
cmsBool CMSEXPORT _cmsWriteTypeBase(cmsIOHANDLER* io, cmsTagTypeSignature sig)
{
_cmsTagBase Base;
_cmsAssert(io != NULL);
Base.sig = (cmsTagTypeSignature) _cmsAdjustEndianess32(sig);
memset(&Base.reserved, 0, sizeof(Base.reserved));
return io -> Write(io, sizeof(_cmsTagBase), &Base);
}
cmsBool CMSEXPORT _cmsReadAlignment(cmsIOHANDLER* io)
{
cmsUInt8Number Buffer[4];
cmsUInt32Number NextAligned, At;
cmsUInt32Number BytesToNextAlignedPos;
_cmsAssert(io != NULL);
At = io -> Tell(io);
NextAligned = _cmsALIGNLONG(At);
BytesToNextAlignedPos = NextAligned - At;
if (BytesToNextAlignedPos == 0) return TRUE;
if (BytesToNextAlignedPos > 4) return FALSE;
return (io ->Read(io, Buffer, BytesToNextAlignedPos, 1) == 1);
}
cmsBool CMSEXPORT _cmsWriteAlignment(cmsIOHANDLER* io)
{
cmsUInt8Number Buffer[4];
cmsUInt32Number NextAligned, At;
cmsUInt32Number BytesToNextAlignedPos;
_cmsAssert(io != NULL);
At = io -> Tell(io);
NextAligned = _cmsALIGNLONG(At);
BytesToNextAlignedPos = NextAligned - At;
if (BytesToNextAlignedPos == 0) return TRUE;
if (BytesToNextAlignedPos > 4) return FALSE;
memset(Buffer, 0, BytesToNextAlignedPos);
return io -> Write(io, BytesToNextAlignedPos, Buffer);
}
// To deal with text streams. 2K at most
cmsBool CMSEXPORT _cmsIOPrintf(cmsIOHANDLER* io, const char* frm, ...)
{
va_list args;
int len;
cmsUInt8Number Buffer[2048];
cmsBool rc;
_cmsAssert(io != NULL);
_cmsAssert(frm != NULL);
va_start(args, frm);
len = vsnprintf((char*) Buffer, 2047, frm, args);
if (len < 0) return FALSE; // Truncated, which is a fatal error for us
rc = io ->Write(io, len, Buffer);
va_end(args);
return rc;
}
// Plugin memory management -------------------------------------------------------------------------------------------------
static _cmsSubAllocator* PluginPool = NULL;
// Specialized malloc for plug-ins, that is freed upon exit.
void* _cmsPluginMalloc(cmsUInt32Number size)
{
if (PluginPool == NULL)
PluginPool = _cmsCreateSubAlloc(0, 4*1024);
return _cmsSubAlloc(PluginPool, size);
}
// Main plug-in dispatcher
cmsBool CMSEXPORT cmsPlugin(void* Plug_in)
{
cmsPluginBase* Plugin;
for (Plugin = (cmsPluginBase*) Plug_in;
Plugin != NULL;
Plugin = Plugin -> Next) {
if (Plugin -> Magic != cmsPluginMagicNumber) {
cmsSignalError(0, cmsERROR_UNKNOWN_EXTENSION, "Unrecognized plugin");
return FALSE;
}
if (Plugin ->ExpectedVersion > LCMS_VERSION) {
cmsSignalError(0, cmsERROR_UNKNOWN_EXTENSION, "plugin needs Little CMS %d, current version is %d",
Plugin ->ExpectedVersion, LCMS_VERSION);
return FALSE;
}
switch (Plugin -> Type) {
case cmsPluginMemHandlerSig:
if (!_cmsRegisterMemHandlerPlugin(Plugin)) return FALSE;
break;
case cmsPluginInterpolationSig:
if (!_cmsRegisterInterpPlugin(Plugin)) return FALSE;
break;
case cmsPluginTagTypeSig:
if (!_cmsRegisterTagTypePlugin(Plugin)) return FALSE;
break;
case cmsPluginTagSig:
if (!_cmsRegisterTagPlugin(Plugin)) return FALSE;
break;
case cmsPluginFormattersSig:
if (!_cmsRegisterFormattersPlugin(Plugin)) return FALSE;
break;
case cmsPluginRenderingIntentSig:
if (!_cmsRegisterRenderingIntentPlugin(Plugin)) return FALSE;
break;
case cmsPluginParametricCurveSig:
if (!_cmsRegisterParametricCurvesPlugin(Plugin)) return FALSE;
break;
case cmsPluginMultiProcessElementSig:
if (!_cmsRegisterMultiProcessElementPlugin(Plugin)) return FALSE;
break;
case cmsPluginOptimizationSig:
if (!_cmsRegisterOptimizationPlugin(Plugin)) return FALSE;
break;
case cmsPluginTransformSig:
if (!_cmsRegisterTransformPlugin(Plugin)) return FALSE;
break;
default:
cmsSignalError(0, cmsERROR_UNKNOWN_EXTENSION, "Unrecognized plugin type '%X'", Plugin -> Type);
return FALSE;
}
}
// Keep a reference to the plug-in
return TRUE;
}
// Revert all plug-ins to default
void CMSEXPORT cmsUnregisterPlugins(void)
{
_cmsRegisterMemHandlerPlugin(NULL);
_cmsRegisterInterpPlugin(NULL);
_cmsRegisterTagTypePlugin(NULL);
_cmsRegisterTagPlugin(NULL);
_cmsRegisterFormattersPlugin(NULL);
_cmsRegisterRenderingIntentPlugin(NULL);
_cmsRegisterParametricCurvesPlugin(NULL);
_cmsRegisterMultiProcessElementPlugin(NULL);
_cmsRegisterOptimizationPlugin(NULL);
_cmsRegisterTransformPlugin(NULL);
if (PluginPool != NULL)
_cmsSubAllocDestroy(PluginPool);
PluginPool = NULL;
}
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