CIccMpeToneMap Class Reference

Class: CIccMpeToneMap. More...

#include <IccMpeBasic.h>

Inheritance diagram for CIccMpeToneMap:

Collaboration diagram for CIccMpeToneMap:

Public Member Functions
virtual void	Apply (CIccApplyMpe *pApply, icFloatNumber *dstPixel, const icFloatNumber *srcPixel) const
	Name: CIccMpeToneMap::Apply.
virtual bool	Begin (icElemInterp nInterp, CIccTagMultiProcessElement *pMPE)
	Name: CIccMpeToneMap::Begin.
	CIccMpeToneMap (const CIccMpeToneMap &toneMap)
	Name: CIccMpeToneMap::CIccMpeToneMap.
	CIccMpeToneMap (icUInt16Number nOutputChannels=1)
	Name: CIccMpeToneMap::CIccMpeToneMap.
virtual void	Describe (std::string &sDescription, int nVerboseness=0)
	Name: CIccMpeToneMap::Describe.
virtual const icChar *	GetClassName () const
virtual icElemTypeSignature	GetType () const
bool	Insert (CIccToneMapFunc *pToneMapFunc)
	Name: CIccMpeToneMap::PushBackFunc.
virtual CIccMultiProcessElement *	NewCopy () const
virtual CIccToneMapFunc *	NewToneMapFunc ()
CIccMpeToneMap &	operator= (const CIccMpeToneMap &toneMap)
	Name: &CIccMpeToneMap::operator=.
virtual bool	Read (icUInt32Number size, CIccIO *pIO)
	Name: CIccMpeToneMap::Read.
void	SetLumCurve (CIccCurveSetCurve *pLumCurve)
	Name: CIccMpeToneMap::SetLumCurve.
void	SetNumOutputChannels (icUInt16Number nOutputChannels)
	Name: CIccMpeToneMap::SetNumOutputChannels.
virtual icValidateStatus	Validate (std::string sigPath, std::string &sReport, const CIccTagMultiProcessElement *pMPE=NULL, const CIccProfile *pProfile=NULL) const
	Name: CIccMpeToneMap::Validate.
virtual bool	Write (CIccIO *pIO)
	Name: CIccMpeToneMap::Write.
virtual	~CIccMpeToneMap ()
	Name: CIccMpeToneMap::~CIccMpeToneMap.
Public Member Functions inherited from CIccMultiProcessElement
	CIccMultiProcessElement ()
virtual icAcsSignature	GetBAcsSig ()
virtual icAcsSignature	GetEAcsSig ()
virtual IIccExtensionMpe *	GetExtension ()
virtual CIccApplyMpe *	GetNewApply (CIccApplyTagMpe *pApplyTag)
	Name: CIccMultiProcessElement::GetNewApply()
virtual bool	IsAcs ()
virtual bool	IsLateBinding () const
virtual bool	IsLateBindingReflectance () const
virtual bool	IsSupported ()
virtual icUInt16Number	NumInputChannels () const
virtual icUInt16Number	NumOutputChannels () const
virtual	~CIccMultiProcessElement ()

Protected Member Functions
void	ClearToneFuncs ()
	Name: CIccMpeToneMap::ClearToneFuncs.
CIccToneMapFunc **	CopyToneFuncs () const
	Name: CIccMpeToneMap::CopyToneFuncs.

Protected Attributes
icUInt16Number	m_nFunc
CIccCurveSetCurve *	m_pLumCurve
CIccToneMapFunc **	m_pToneFuncs
Protected Attributes inherited from CIccMultiProcessElement
icUInt16Number	m_nInputChannels
icUInt16Number	m_nOutputChannels

Additional Inherited Members
Static Public Member Functions inherited from CIccMultiProcessElement
static CIccMultiProcessElement *	Create (icElemTypeSignature sig)
	Name: CIccMultiProcessElement::Create.
Public Attributes inherited from CIccMultiProcessElement
icUInt32Number	m_nReserved

Detailed Description

Class: CIccMpeToneMap.

Purpose: The curve set process element

Definition at line 545 of file IccMpeBasic.h.

Constructor & Destructor Documentation

CIccMpeToneMap() [1/2]

CIccMpeToneMap::CIccMpeToneMap

(

icUInt16Number

nOutputChannels = 1

)

Name: CIccMpeToneMap::CIccMpeToneMap.

Purpose:

Args:

Return:

Definition at line 4127 of file IccMpeBasic.cpp.

{
  m_nReserved = 0;
  m_nInputChannels = nOutputChannels + 1;
  m_nOutputChannels = nOutputChannels;
  m_pLumCurve = NULL;
  m_pToneFuncs = NULL;
 
  SetNumOutputChannels(nOutputChannels);
 
}

CIccMpeToneMap() [2/2]

CIccMpeToneMap::CIccMpeToneMap

(

const CIccMpeToneMap &

toneMap

)

Name: CIccMpeToneMap::CIccMpeToneMap.

Purpose:

Args:

Return:

Definition at line 4149 of file IccMpeBasic.cpp.

{
  m_nReserved = toneMap.m_nReserved;
 
  m_nInputChannels = toneMap.m_nInputChannels;
  m_nOutputChannels = toneMap.m_nOutputChannels;
 
  if (toneMap.m_pLumCurve)
    m_pLumCurve = toneMap.m_pLumCurve->NewCopy();
 
  m_nFunc = toneMap.m_nFunc;
  if (toneMap.m_pToneFuncs)
    m_pToneFuncs = toneMap.CopyToneFuncs();
  else
    m_pToneFuncs = NULL;
}

References CopyToneFuncs(), m_nFunc, CIccMultiProcessElement::m_nInputChannels, CIccMultiProcessElement::m_nOutputChannels, CIccMultiProcessElement::m_nReserved, m_pLumCurve, m_pToneFuncs, and CIccCurveSetCurve::NewCopy().

Here is the call graph for this function:

~CIccMpeToneMap()

CIccMpeToneMap::~CIccMpeToneMap ( )

virtual

Name: CIccMpeToneMap::~CIccMpeToneMap.

Purpose:

Args:

Return:

Definition at line 4215 of file IccMpeBasic.cpp.

{
  if (m_pLumCurve)
    delete m_pLumCurve;
 
  ClearToneFuncs();
}

Member Function Documentation

Apply()

void CIccMpeToneMap::Apply ( CIccApplyMpe * pApply, icFloatNumber * pDestPixel, const icFloatNumber * pSrcPixel ) const

virtual

Name: CIccMpeToneMap::Apply.

Purpose:

Args:

Return:

Implements CIccMultiProcessElement.

Definition at line 4713 of file IccMpeBasic.cpp.

{
  icFloatNumber lum = m_pLumCurve->Apply(pSrcPixel[m_nOutputChannels]);
  for (int i = 0; i < m_nOutputChannels; i++) {
    pDestPixel[i] = m_pToneFuncs[i]->Apply(lum, pSrcPixel[i]);
  }
}

Begin()

bool CIccMpeToneMap::Begin ( icElemInterp nInterp, CIccTagMultiProcessElement * pMPE )

virtual

Name: CIccMpeToneMap::Begin.

Purpose:

Args:

Return:

Implements CIccMultiProcessElement.

Definition at line 4680 of file IccMpeBasic.cpp.

{
  if (!m_pLumCurve || !m_pToneFuncs)
    return false;
 
  if (!m_pLumCurve->Begin(nInterp, pMPE))
    return false;
 
  if (!m_pToneFuncs[0] || !m_pToneFuncs[0]->Begin())
    return false;
 
  int j;
  for (int i=1; i<m_nOutputChannels; i++) {
    for (j = 0; j < i; j++)
      if (m_pToneFuncs[j] == m_pToneFuncs[i])
        break;
    if (j==i && (!m_pToneFuncs[i] || !m_pToneFuncs[i]->Begin()))
      return false;
  }
  return true;
}

ClearToneFuncs()

void CIccMpeToneMap::ClearToneFuncs ( )

protected

Name: CIccMpeToneMap::ClearToneFuncs.

Purpose:

Args:

Return:

Definition at line 4269 of file IccMpeBasic.cpp.

{
  if (m_pToneFuncs) {
 
    if (m_nOutputChannels) {
      if (m_pToneFuncs[0])
        delete m_pToneFuncs[0];
 
      int j;
      for (int i = 1; i < m_nOutputChannels; i++) {
        for (j = 0; j < i; j++)
          if (m_pToneFuncs[j] == m_pToneFuncs[i])
            break;
        if (j == i && m_pToneFuncs[i])
          delete m_pToneFuncs[i];
      }
    }
 
    free(m_pToneFuncs);
    m_pToneFuncs = NULL;
  }
}

CopyToneFuncs()

CIccToneMapFunc ** CIccMpeToneMap::CopyToneFuncs ( ) const

protected

Name: CIccMpeToneMap::CopyToneFuncs.

Purpose:

Args:

Return:

Definition at line 4233 of file IccMpeBasic.cpp.

{
  if (!m_pToneFuncs || m_nOutputChannels==0)
    return NULL;
 
  CIccToneMapFunc** rv = (CIccToneMapFunc**)calloc(m_nOutputChannels, sizeof(CIccToneMapFunc*));
  if (!rv)
    return NULL;
 
  rv[0] = m_pToneFuncs[0] ? m_pToneFuncs[0]->NewCopy() : NULL;
 
  int j;
  for (int i = 1; i < m_nOutputChannels; i++) {
    for (j = 0; j < i; j++)
      if (m_pToneFuncs[j] == m_pToneFuncs[i])
        break;
    if (j < i)
      rv[i] = rv[j];
    else
      rv[i] = m_pToneFuncs[i] ? m_pToneFuncs[i]->NewCopy() : NULL;
  }
 
  return rv;
}

References CIccToneMapFunc::NewCopy().

Referenced by CIccMpeToneMap(), and operator=().

Here is the call graph for this function:

Here is the caller graph for this function:

Describe()

void CIccMpeToneMap::Describe ( std::string & sDescription, int nVerboseness = 0 )

virtual

Name: CIccMpeToneMap::Describe.

Purpose:

Args:

Return:

Implements CIccMultiProcessElement.

Definition at line 4366 of file IccMpeBasic.cpp.

{
  char buf[256];
 
  sprintf(buf, "BEGIN_TONE_MAP %d\n", m_nOutputChannels);
  sDescription += buf;
 
  if (m_pLumCurve) {
    sDescription += "LUM_FUNCTION:\n";
    m_pLumCurve->Describe(sDescription, nVerboseness);
  }
 
  if (m_pToneFuncs) {
    for (int i = 0; i < m_nOutputChannels; i++) {
      sprintf(buf, "TONE_FUNCTION_%d:\n", i);
      sDescription += buf;
      if (m_pToneFuncs[i])
        m_pToneFuncs[i]->Describe(sDescription, nVerboseness);
    }
  }
 
  sDescription += "END_TINT_ARRAY\n";
}

GetClassName()

virtual const icChar * CIccMpeToneMap::GetClassName ( ) const

inlinevirtual

Implements CIccMultiProcessElement.

Reimplemented in CIccMpeXmlToneMap.

Definition at line 555 of file IccMpeBasic.h.

{ return "CIccMpeToneMap"; }

GetType()

virtual icElemTypeSignature CIccMpeToneMap::GetType ( ) const

inlinevirtual

Implements CIccMultiProcessElement.

Definition at line 554 of file IccMpeBasic.h.

{ return icSigToneMapElemType; }

References icSigToneMapElemType.

Insert()

bool CIccMpeToneMap::Insert

(

CIccToneMapFunc *

pToneMapFunc

)

Name: CIccMpeToneMap::PushBackFunc.

Purpose:

Args:

Return:

Definition at line 4345 of file IccMpeBasic.cpp.

{
  if (!m_pToneFuncs || m_nFunc >= m_nOutputChannels)
    return false;
 
  m_pToneFuncs[m_nFunc++] = pToneMapFunc;
 
  return true;
}

NewCopy()

virtual CIccMultiProcessElement * CIccMpeToneMap::NewCopy ( ) const

inlinevirtual

Implements CIccMultiProcessElement.

Definition at line 551 of file IccMpeBasic.h.

{ return new CIccMpeToneMap(*this); }

NewToneMapFunc()

virtual CIccToneMapFunc * CIccMpeToneMap::NewToneMapFunc ( )

inlinevirtual

Reimplemented in CIccMpeXmlToneMap.

Definition at line 557 of file IccMpeBasic.h.

{ return new CIccToneMapFunc(); }

operator=()

CIccMpeToneMap & CIccMpeToneMap::operator=

(

const CIccMpeToneMap &

toneMap

)

Name: &CIccMpeToneMap::operator=.

Purpose:

Args:

Return:

Definition at line 4176 of file IccMpeBasic.cpp.

{
  if (&toneMap == this)
    return *this;
 
  m_nReserved = toneMap.m_nReserved;
 
  m_nInputChannels = toneMap.m_nInputChannels;
  m_nOutputChannels = toneMap.m_nOutputChannels;
 
  if (m_pLumCurve)
    delete m_pLumCurve;
 
  if (toneMap.m_pLumCurve)
    m_pLumCurve = toneMap.m_pLumCurve->NewCopy();
  else
    m_pLumCurve = NULL;
 
  ClearToneFuncs();
 
  m_nFunc = toneMap.m_nFunc;
  if (toneMap.m_pToneFuncs)
    m_pToneFuncs = toneMap.CopyToneFuncs();
  else
    m_pToneFuncs = NULL;
 
  return *this;
}

References CopyToneFuncs(), m_nFunc, CIccMultiProcessElement::m_nInputChannels, CIccMultiProcessElement::m_nOutputChannels, CIccMultiProcessElement::m_nReserved, m_pLumCurve, m_pToneFuncs, and CIccCurveSetCurve::NewCopy().

Here is the call graph for this function:

Read()

bool CIccMpeToneMap::Read ( icUInt32Number size, CIccIO * pIO )

virtual

Name: CIccMpeToneMap::Read.

Purpose:

Args:

Return:

Implements CIccMultiProcessElement.

Definition at line 4400 of file IccMpeBasic.cpp.

{
  if (m_pLumCurve)
    delete m_pLumCurve;
  m_pLumCurve = NULL;
 
  ClearToneFuncs();
 
  icElemTypeSignature sig;
 
  icUInt32Number startPos = pIO->Tell();
 
  icUInt32Number headerSize = sizeof(icElemTypeSignature) +
    sizeof(icUInt32Number) +
    sizeof(icUInt16Number) +
    sizeof(icUInt16Number) +
    sizeof(icUInt32Number)*2;
 
  if (headerSize + sizeof(icTagTypeSignature) > size)
    return false;
 
  if (!pIO) {
    return false;
  }
 
  icUInt16Number nInputChannels, nOutputChannels;
 
  if (!pIO->Read32(&sig))
    return false;
 
  if (!pIO->Read32(&m_nReserved))
    return false;
 
  if (!pIO->Read16(&nInputChannels))
    return false;
 
  if (!pIO->Read16(&nOutputChannels))
    return false;
 
  if (nInputChannels != nOutputChannels+1 || !nOutputChannels)
    return false;
 
  m_nInputChannels = nInputChannels;
  SetNumOutputChannels(nOutputChannels);
 
  //setup to read luminance curve based on position
  icPositionNumber lumPos;
  if (!pIO->Read32(&lumPos.offset) ||
      !pIO->Read32(&lumPos.size))
    return false;
 
  icUInt32Number curPos = pIO->Tell();
 
  //We need signature of curve type to construct and read it
  icCurveElemSignature curveSig;
  if (lumPos.size < sizeof(curveSig))
    return false;
 
  pIO->Seek(startPos + lumPos.offset, icSeekSet);
  if (!pIO->Read32(&curveSig))
    return false;
  pIO->Seek(startPos + lumPos.offset, icSeekSet);
  
  CIccCurveSetCurve* pCurve = CIccCurveSetCurve::Create(curveSig);
 
  if (!pCurve) {
    return false;
  }
 
  if (!pCurve->Read(lumPos.size, pIO)) {
    return false;
  }
 
  SetLumCurve(pCurve);
 
  //setup positions to get the output channel mapping functions
  pIO->Seek(curPos, icSeekSet);
 
  headerSize += nOutputChannels + sizeof(icUInt32Number)*2;
 
  if (headerSize + sizeof(icTagTypeSignature) > size)
    return false;
 
  if (!icValidTagPos(lumPos, headerSize, size))
    return false;
 
  icPositionNumber* funcPos = new icPositionNumber[m_nOutputChannels];
  if (!funcPos)
    return false;
 
  //read output tone mapping function positions
  int j;
  for (int i = 0; i < m_nOutputChannels; i++) {
    if (!pIO->Read32(&funcPos[i].offset) ||
      !pIO->Read32(&funcPos[i].size) ||
      !icValidTagPos(funcPos[i], headerSize, size)) {
      delete[] funcPos;
      return false;
    }
 
    if (!icValidOverlap(lumPos, funcPos[i], false)) {
      delete[] funcPos;
      return false;
    }
    for (j = 0; j < i; j++) {
      if (!icValidOverlap(funcPos[j], funcPos[i], true)) {
        delete[] funcPos;
        return false;
      }
    }
  }
 
  //Read tone mapping functions making copies as we go
  m_pToneFuncs[0] = NewToneMapFunc();
  if (!m_pToneFuncs[0]) {
    delete[] funcPos;
    return false;
  }
  pIO->Seek(startPos + funcPos[0].offset, icSeekSet);
  if (!m_pToneFuncs[0]->Read(funcPos[0].size, pIO)) {
    delete[] funcPos;
    return false;
  }
 
  for (int i = 1; i < m_nOutputChannels; i++) {
    for (j = 0; j < i; i++) {
      if (funcPos[j].offset == funcPos[i].offset)
        break;
    }
    if (j != i)
      m_pToneFuncs[i] = m_pToneFuncs[j];
    else {
      m_pToneFuncs[i] = NewToneMapFunc();
      if (!m_pToneFuncs[i]) {
        delete[] funcPos;
        return false;
      }
      pIO->Seek(startPos + funcPos[i].offset, icSeekSet);
      if (!m_pToneFuncs[i]->Read(funcPos[i].size, pIO)) {
        delete[] funcPos;
        return false;
      }
    }
  }
 
  //keep track of functions read in
  m_nFunc = m_nOutputChannels;
 
  return true;
}

References CIccCurveSetCurve::Create(), icSeekSet, icValidOverlap(), icValidTagPos(), icPositionNumber::offset, CIccCurveSetCurve::Read(), CIccIO::Read16(), CIccIO::Read32(), CIccIO::Seek(), sig, icPositionNumber::size, and CIccIO::Tell().

Here is the call graph for this function:

SetLumCurve()

void CIccMpeToneMap::SetLumCurve

(

CIccCurveSetCurve *

pLumCurve

)

Name: CIccMpeToneMap::SetLumCurve.

Purpose:

Args:

Return:

Definition at line 4302 of file IccMpeBasic.cpp.

{
  if (pLumCurve == m_pLumCurve)
    return;
 
  if (m_pLumCurve)
    delete m_pLumCurve;
 
  m_pLumCurve = pLumCurve;
}

SetNumOutputChannels()

void CIccMpeToneMap::SetNumOutputChannels

(

icUInt16Number

nVectorSize

)

Name: CIccMpeToneMap::SetNumOutputChannels.

Purpose:

Args:

Return:

Definition at line 4324 of file IccMpeBasic.cpp.

{
  ClearToneFuncs();
  m_nOutputChannels = nVectorSize;
  if (m_nOutputChannels) {
    m_pToneFuncs = (CIccToneMapFunc**)calloc(m_nOutputChannels, sizeof(CIccToneMapFunc*));
  }
  m_nFunc = 0;
}

Validate()

icValidateStatus CIccMpeToneMap::Validate ( std::string sigPath, std::string & sReport, const CIccTagMultiProcessElement * pMPE = NULL, const CIccProfile * pProfile = NULL ) const

virtual

Name: CIccMpeToneMap::Validate.

Purpose:

Args:

Return:

Implements CIccMultiProcessElement.

Definition at line 4731 of file IccMpeBasic.cpp.

{
  std::string mpeSigPath = sigPath + icGetSigPath(GetType());
  icValidateStatus rv = CIccMultiProcessElement::Validate(sigPath, sReport, pMPE, pProfile);
 
  if (m_nInputChannels != m_nOutputChannels + 1) {
    CIccInfo Info;
    std::string sSigPathName = Info.GetSigPathName(mpeSigPath);
 
    sReport += icMsgValidateCriticalError;
    sReport += sSigPathName;
    sReport += " -  Bad number of input channels!\n";
    return icValidateCriticalError;
  }
 
  if (!m_nOutputChannels) {
    CIccInfo Info;
    std::string sSigPathName = Info.GetSigPathName(mpeSigPath);
 
    sReport += icMsgValidateCriticalError;
    sReport += sSigPathName;
    sReport += " -  Bad number of output channels!\n";
    return icValidateCriticalError;
  }
 
  if (!m_pLumCurve) {
    CIccInfo Info;
    std::string sSigPathName = Info.GetSigPathName(mpeSigPath);
 
    sReport += icMsgValidateCriticalError;
    sReport += sSigPathName;
    sReport += " -  Has no luminance mapping curve!\n";
    return icValidateCriticalError;
  }
  else {
    rv = icMaxStatus(rv, m_pLumCurve->Validate(mpeSigPath, sReport, pMPE, pProfile));
  }
 
  if (!m_pToneFuncs) {
    CIccInfo Info;
    std::string sSigPathName = Info.GetSigPathName(mpeSigPath);
 
    sReport += icMsgValidateCriticalError;
    sReport += sSigPathName;
    sReport += " -  Has no tone mapping functions!\n";
    return icValidateCriticalError;
  }
  else {
    for (int i = 0; i < m_nOutputChannels; i++) {
      std::string funcReport;
      char buf[20];
      sprintf(buf, "#%d", i);
      if (!m_pToneFuncs[i]) {
        CIccInfo Info;
        std::string sSigPathName = Info.GetSigPathName(mpeSigPath);
 
        sReport += icMsgValidateCriticalError;
        sReport += sSigPathName;
        sReport += std::string(" -  Missing Tone function #") + buf + "\n";
 
        return icValidateCriticalError;
      }
 
      icValidateStatus crv = m_pToneFuncs[i]->Validate(funcReport);
      if (crv != icValidateOK) {
        CIccInfo Info;
        std::string sSigPathName = Info.GetSigPathName(mpeSigPath);
 
        sReport += icMsgValidateInformation;
        sReport += sSigPathName;
        sReport += std::string(" - Tone Function #") + buf + " status:\n" + funcReport;
 
        rv = icMaxStatus(rv, crv);
      }
    }
  }
 
  return rv;
}

References CIccInfo::GetSigPathName(), icGetSigPath(), icMaxStatus(), icMsgValidateCriticalError, icMsgValidateInformation, icValidateCriticalError, icValidateOK, and CIccMultiProcessElement::Validate().

Here is the call graph for this function:

Write()

bool CIccMpeToneMap::Write ( CIccIO * pIO )

virtual

Name: CIccMpeToneMap::Write.

Purpose:

Args:

Return:

Implements CIccMultiProcessElement.

Definition at line 4561 of file IccMpeBasic.cpp.

{
  if (!m_pLumCurve || !m_pToneFuncs || !m_nOutputChannels)
    return false;
 
  icElemTypeSignature sig = GetType();
 
  if (!pIO)
    return false;
 
  icUInt32Number nTagStartPos = pIO->Tell();
 
  if (!pIO->Write32(&sig))
    return false;
 
  if (!pIO->Write32(&m_nReserved))
    return false;
 
  if (!pIO->Write16(&m_nInputChannels))
    return false;
 
  if (!pIO->Write16(&m_nOutputChannels))
    return false;
 
  icUInt32Number lumOffset = pIO->Tell();
 
  //Reserve position entry for Luminance Curve
  icUInt32Number zero = 0;
  if (!pIO->Write32(&zero) ||
      !pIO->Write32(&zero))
    return false;
 
  //Reserve Position entry for mapping functions
  for (int i = 0; i < m_nOutputChannels; i++) {
    if (!pIO->Write32(&zero) ||
      !pIO->Write32(&zero))
      return false;
  }
 
  //write out luminance curve
  icPositionNumber lumPos;
  lumPos.offset = pIO->Tell()- nTagStartPos;
 
  if (!m_pLumCurve->Write(pIO))
    return false;
 
  lumPos.size = pIO->Tell() - (lumPos.offset + nTagStartPos);
 
  //Keep track of tone function positions
  icPositionNumber* funcPos = new icPositionNumber[m_nOutputChannels];
  if (!funcPos)
    return false;
 
  //write out first tone function
  int j;
  funcPos[0].offset = pIO->Tell() - nTagStartPos;
  if (!m_pToneFuncs[0]->Write(pIO)) {
    delete[] funcPos;
    return false;
  }
  funcPos[0].size = pIO->Tell() - (funcPos[0].offset + nTagStartPos);
 
  //write out additional non-copied tone functions
  for (int i = 1; i < m_nOutputChannels; i++) {
    for (j = 0; j < i; j++)
      if (m_pToneFuncs[j] == m_pToneFuncs[i])
        break;
    if (j < i) {
      funcPos[i] = funcPos[j];
    }
    else {
      funcPos[i].offset = pIO->Tell() - nTagStartPos;
      if (!m_pToneFuncs[i]->Write(pIO)) {
        delete[] funcPos;
        return false;
      }
      funcPos[i].size = pIO->Tell() - (funcPos[i].offset + nTagStartPos);
    }
  }
 
  //Everything but positions is written so make sure we end on 32 bit boundary
  pIO->Align32();
  icUInt32Number endOffset = pIO->Tell();
 
  //write out luminance curve position
  pIO->Seek(lumOffset, icSeekSet);
 
  if (!pIO->Write32(&lumPos.offset) ||
      !pIO->Write32(&lumPos.size)) {
    delete[] funcPos;
    return false;
  }
 
  //write out tone mapping function positions
  for (int i = 0; i < m_nOutputChannels; i++) {
    if (!pIO->Write32(&funcPos[i].offset) ||
      !pIO->Write32(&funcPos[i].size)) {
      delete[] funcPos;
      return false;
    }
  }
  delete[] funcPos;
 
  //Go back to end and we are done
  pIO->Seek(endOffset, icSeekSet);
 
  return true;
}

References CIccIO::Align32(), icSeekSet, icPositionNumber::offset, CIccIO::Seek(), sig, icPositionNumber::size, CIccIO::Tell(), CIccIO::Write16(), and CIccIO::Write32().

Here is the call graph for this function:

Member Data Documentation

m_nFunc

icUInt16Number CIccMpeToneMap::m_nFunc

protected

Definition at line 579 of file IccMpeBasic.h.

Referenced by CIccMpeToneMap(), and operator=().

m_pLumCurve

CIccCurveSetCurve* CIccMpeToneMap::m_pLumCurve

protected

Definition at line 578 of file IccMpeBasic.h.

Referenced by CIccMpeToneMap(), and operator=().

m_pToneFuncs

CIccToneMapFunc** CIccMpeToneMap::m_pToneFuncs

protected

Definition at line 580 of file IccMpeBasic.h.

Referenced by CIccMpeToneMap(), and operator=().

---

The documentation for this class was generated from the following files:

• IccProfLib/IccMpeBasic.h
• IccProfLib/IccMpeBasic.cpp