CIccSegmentedCurve Class Reference

#include <IccMpeBasic.h>

Inheritance diagram for CIccSegmentedCurve:

Collaboration diagram for CIccSegmentedCurve:

Public Member Functions
	CIccSegmentedCurve ()
	CIccSegmentedCurve (const CIccSegmentedCurve &ITPC)
virtual	~CIccSegmentedCurve ()
virtual icFloatNumber	Apply (icFloatNumber v) const
virtual bool	Begin (icElemInterp nInterp, CIccTagMultiProcessElement *pMPE)
virtual void	Describe (std::string &sDescription, int nVerboseness)
virtual const icChar *	GetClassName () const
virtual icCurveElemSignature	GetType () const
bool	Insert (CIccCurveSegment *pCurveSegment)
virtual CIccCurveSetCurve *	NewCopy () const
CIccSegmentedCurve &	operator= (const CIccSegmentedCurve &ParamCurveTag)
virtual bool	Read (icUInt32Number size, CIccIO *pIO)
void	Reset ()
virtual icValidateStatus	Validate (std::string sigPath, std::string &sReport, const CIccTagMultiProcessElement *pMPE=NULL, const CIccProfile *pProfile=NULL) const
virtual bool	Write (CIccIO *pIO)

Static Public Member Functions
static CIccCurveSetCurve *	Create (icCurveElemSignature sig)

Protected Attributes
CIccCurveSegmentList *	m_list
icUInt32Number	m_nReserved1
icUInt32Number	m_nReserved2

Detailed Description

Class: CIccSegmentedCurve

Purpose: The Curve Set Segmented Curve Type

Constructor & Destructor Documentation

CIccSegmentedCurve() [1/2]

CIccSegmentedCurve::CIccSegmentedCurve

(

)

Name: CIccSegmentedCurve::CIccSegmentedCurve

Purpose:

Args:

Return:

{
  m_list = new CIccCurveSegmentList();
  m_nReserved1 = 0;
  m_nReserved2 = 0;
 
}

References m_list, m_nReserved1, and m_nReserved2.

Referenced by CIccCurveSetCurve::Create(), and CIccTagSegmentedCurve::Read().

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CIccSegmentedCurve() [2/2]

CIccSegmentedCurve::CIccSegmentedCurve

(

const CIccSegmentedCurve &

curve

)

Name: CIccSegmentedCurve::CIccSegmentedCurve

Purpose:

Args:

Return:

{
  CIccCurveSegmentList::iterator i;
 
  m_list = new CIccCurveSegmentList();
 
  for (i=curve.m_list->begin(); i!=curve.m_list->end(); i++) {
    m_list->push_back((*i)->NewCopy());
  }
  m_nReserved1 = curve.m_nReserved1;
  m_nReserved2 = curve.m_nReserved2;
}

References m_list, m_nReserved1, m_nReserved2, and CIccCurveSegment::NewCopy().

Referenced by NewCopy().

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~CIccSegmentedCurve()

CIccSegmentedCurve::~CIccSegmentedCurve ( )

virtual

Name: CIccSegmentedCurve::~CIccSegmentedCurve

Purpose:

Args:

Return:

{
  Reset();
  delete m_list;
}

References m_list, and Reset().

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Member Function Documentation

Apply()

icFloatNumber CIccSegmentedCurve::Apply ( icFloatNumber  v ) const

virtual

Name: CIccSegmentedCurve::Apply

Purpose:

Args:

Return:

Implements CIccCurveSetCurve.

{
 CIccCurveSegmentList::iterator i;
 
  for (i=m_list->begin(); i!=m_list->end(); i++) {
    if (v <= (*i)->EndPoint())
      return (*i)->Apply(v);
  }
  return v;
}

References CIccCurveSegment::Apply(), CIccCurveSegment::EndPoint(), and m_list.

Referenced by CIccTagSegmentedCurve::Apply().

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Begin()

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

virtual

Name: CIccSegmentedCurve::Begin

Purpose:

Args:

Return:

Implements CIccCurveSetCurve.

{
  if (m_list->size()==0)
    return false;
 
 CIccCurveSegmentList::iterator i;
 CIccCurveSegment *pLast = NULL;
 
  for (i=m_list->begin(); i!=m_list->end(); i++) {
    if (!(*i)->Begin(pLast))
      return false;
    pLast = *i;
  }
 
  return true;
}

References CIccCurveSegment::Begin(), and m_list.

Referenced by CIccTagSegmentedCurve::Begin().

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Create()

CIccCurveSetCurve * CIccCurveSetCurve::Create ( icCurveElemSignature  sig )

staticinherited

Name: CIccCurveSetCurve::Create

Purpose:

Args:

Return:

{
  switch (sig) {
  case icSigSegmentedCurve:
    return new CIccSegmentedCurve();
  case icSigSingleSampledCurve:
    return new CIccSingleSampledCurve();
  case icSigSampledCalculatorCurve:
    return new CIccSampledCalculatorCurve();
  default:
    return NULL;
  }
}

References CIccSampledCalculatorCurve::CIccSampledCalculatorCurve(), CIccSegmentedCurve(), CIccSingleSampledCurve::CIccSingleSampledCurve(), icSigSampledCalculatorCurve, icSigSegmentedCurve, and icSigSingleSampledCurve.

Referenced by CIccMpeCurveSet::Read(), and CIccMpeToneMap::Read().

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Describe()

void CIccSegmentedCurve::Describe ( std::string &  sDescription, int  nVerboseness  )

virtual

Name: CIccSegmentedCurve::Describe

Purpose:

Args:

Return:

Implements CIccCurveSetCurve.

{
  CIccCurveSegmentList::iterator i;
 
  sDescription += "BEGIN_CURVE\n";
  for (i=m_list->begin(); i!=m_list->end(); i++) {
    (*i)->Describe(sDescription, nVerboseness);
  }
}

References CIccCurveSegment::Describe(), and m_list.

Referenced by CIccTagSegmentedCurve::Describe().

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GetClassName()

virtual const icChar * CIccSegmentedCurve::GetClassName ( ) const

inlinevirtual

Implements CIccCurveSetCurve.

{ return "CIccSegmentedCurve"; }

GetType()

virtual icCurveElemSignature CIccSegmentedCurve::GetType ( ) const

inlinevirtual

Implements CIccCurveSetCurve.

{ return icSigSegmentedCurve; }

References icSigSegmentedCurve.

Referenced by Read(), Validate(), and Write().

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Insert()

bool CIccSegmentedCurve::Insert

(

CIccCurveSegment *

pCurveSegment

)

Name: CIccSegmentedCurve::Insert

Purpose:

Args:

Return:

{
  CIccCurveSegmentList::reverse_iterator last = m_list->rbegin();
 
  if (last!=m_list->rend()) {
    if (pCurveSegment->StartPoint() == (*last)->EndPoint()) {
      m_list->push_back(pCurveSegment);
      return true;
    }
  }
  else {
    m_list->push_back(pCurveSegment);
    return true;
  }
 
  return false;
}

References CIccCurveSegment::EndPoint(), m_list, and CIccCurveSegment::StartPoint().

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NewCopy()

virtual CIccCurveSetCurve * CIccSegmentedCurve::NewCopy ( ) const

inlinevirtual

Implements CIccCurveSetCurve.

{ return new CIccSegmentedCurve(*this);}

References CIccSegmentedCurve().

Referenced by CIccTagSegmentedCurve::CIccTagSegmentedCurve(), CIccDefaultEncProfileConverter::ConvertFromParams(), and CIccTagSegmentedCurve::operator=().

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operator=()

CIccSegmentedCurve & CIccSegmentedCurve::operator=

(

const CIccSegmentedCurve &

curve

)

Name: &CIccSegmentedCurve::operator=

Purpose:

Args:

Return:

{
  Reset();
 
  CIccCurveSegmentList::iterator i;
 
  for (i=curve.m_list->begin(); i!=curve.m_list->end(); i++) {
    m_list->push_back((*i)->NewCopy());
  }
  m_nReserved1 = curve.m_nReserved1;
  m_nReserved2 = curve.m_nReserved2;
 
  return (*this);
}

References m_list, m_nReserved1, m_nReserved2, CIccCurveSegment::NewCopy(), and Reset().

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Read()

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

virtual

Name: CIccSegmentedCurve::Read

Purpose:

Args:

Return:

Implements CIccCurveSetCurve.

{
  icCurveElemSignature sig;
 
  icUInt32Number startPos = pIO->Tell();
  
  icUInt32Number headerSize = sizeof(icCurveElemSignature) + 
    sizeof(icUInt32Number) + 
    sizeof(icUInt16Number) + 
    sizeof(icUInt16Number);
 
  if (headerSize > size)
    return false;
 
  if (!pIO) {
    return false;
  }
 
  if (!pIO->Read32(&sig))
    return false;
 
  if (sig!=GetType())
    return false;
 
  if (!pIO->Read32(&m_nReserved1))
    return false;
 
  icUInt16Number nSegments;
 
  if (!pIO->Read16(&nSegments))
    return false;
 
  if (!pIO->Read16(&m_nReserved2))
    return false;
 
  Reset();
 
  icUInt32Number pos = pIO->Tell();
  icCurveSegSignature segSig;
  CIccCurveSegment *pSeg;
 
  if (nSegments==1) {
    if (sizeof(segSig) > size - headerSize)
      return false;
 
    if (!pIO->Read32(&segSig))
      return false;
    pSeg = CIccCurveSegment::Create(segSig, icMinFloat32Number, icMaxFloat32Number);
    if (!pSeg)
      return false;
 
    pIO->Seek(pos, icSeekSet);
 
    if (!pSeg->Read(size-(pos-startPos), pIO)) {
      delete pSeg;
      return false;
    }
 
    m_list->push_back(pSeg);
  }
  else if (nSegments) {
    if (nSegments > size - headerSize)
      return false;
 
    icFloatNumber *breakpoints=(icFloatNumber*)calloc(nSegments-1, sizeof(icFloatNumber));
 
    if (!breakpoints)
      return false;
 
    if (pIO->ReadFloat32Float(breakpoints, nSegments-1)!=nSegments-1) {
      free(breakpoints);
      return false;
    }
 
    int i;
    for (i=0; i<nSegments; i++) {
      pos = pIO->Tell();
      if (!pIO->Read32(&segSig)) {
        free(breakpoints);
        return false;
      }
      if (pIO->Seek(pos, icSeekSet)!=(icInt32Number)pos)
        return false;;
 
      if (!i)
        pSeg = CIccCurveSegment::Create(segSig, icMinFloat32Number, breakpoints[i]);
      else if (i==nSegments-1) 
        pSeg = CIccCurveSegment::Create(segSig, breakpoints[i-1], icMaxFloat32Number);
      else
        pSeg = CIccCurveSegment::Create(segSig, breakpoints[i-1], breakpoints[i]);
      
      if (!pSeg) {
        free(breakpoints);
        return false;
      }
 
      if (!pSeg->Read(size-(pos-startPos), pIO)) {
        delete pSeg;
        free(breakpoints);
        return false;
      }
 
      m_list->push_back(pSeg);
    }
 
    free(breakpoints);
  }
 
  return true;
}

References CIccCurveSegment::Create(), GetType(), icSeekSet, m_list, m_nReserved1, m_nReserved2, CIccCurveSegment::Read(), CIccIO::Read16(), CIccIO::Read32(), CIccIO::ReadFloat32Float(), Reset(), CIccIO::Seek(), and CIccIO::Tell().

Referenced by CIccTagSegmentedCurve::Read().

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Reset()

void CIccSegmentedCurve::Reset

(

)

Name: CIccSegmentedCurve::Reset

Purpose:

Args:

Return:

{
  CIccCurveSegmentList::iterator i;
 
  for (i=m_list->begin(); i!=m_list->end(); i++) {
    delete (*i);
  }
  m_list->clear();
}

References m_list.

Referenced by ~CIccSegmentedCurve(), operator=(), and Read().

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Validate()

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

virtual

Name: CIccSegmentedCurve::Validate

Purpose:

Args:

Return:

Implements CIccCurveSetCurve.

{
  CIccInfo Info;
  std::string sSigPathName = Info.GetSigPathName(sigPath);
 
  icValidateStatus rv = icValidateOK;
  if (m_nReserved1 || m_nReserved2) {
    sReport += icMsgValidateWarning;
    sReport += sSigPathName;
    sReport += " Segmented curve has non zero reserved data.\n";
    rv = icValidateWarning;
  }
 
  if (m_list->size()==0) {
    sReport += icMsgValidateCriticalError;
    sReport += sSigPathName;
    sReport += " Has Empty CurveSegment!\n";
    return icMaxStatus(rv, icValidateCriticalError);
  }
 
  CIccCurveSegmentList::iterator i;
 
  for (i=m_list->begin(); i!=m_list->end(); i++) {
    rv = icMaxStatus(rv, (*i)->Validate(sigPath+icGetSigPath(GetType()), sReport, pMPE, pProfile));
  }
 
  return rv;
}

References CIccInfo::GetSigPathName(), GetType(), icGetSigPath(), icMaxStatus(), icMsgValidateCriticalError, icMsgValidateWarning, icValidateCriticalError, icValidateOK, icValidateWarning, m_list, m_nReserved1, m_nReserved2, and CIccCurveSegment::Validate().

Referenced by CIccTagSegmentedCurve::Validate().

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Write()

bool CIccSegmentedCurve::Write ( CIccIO *  pIO )

virtual

Name: CIccSegmentedCurve::Write

Purpose:

Args:

Return:

Implements CIccCurveSetCurve.

{
  icCurveElemSignature sig = GetType();
 
  if (!pIO)
    return false;
 
  if (!pIO->Write32(&sig))
    return false;
 
  if (!pIO->Write32(&m_nReserved1))
    return false;
 
  icUInt16Number nSegments = (icUInt16Number)m_list->size();
 
  if (!pIO->Write16(&nSegments))
    return false;
 
  if (!pIO->Write16(&m_nReserved2))
    return false;
 
  CIccCurveSegmentList::iterator i;
  if (nSegments>1) {
    icFloatNumber breakpoint;
    
    i=m_list->begin();
    for (i++; i!=m_list->end(); i++) {
      breakpoint = (*i)->StartPoint();
      if (!pIO->WriteFloat32Float(&breakpoint))
        return false;
    }
  }
  for (i=m_list->begin(); i!=m_list->end(); i++) {
    if (!(*i)->Write(pIO))
      return false;
  }
  
  return true;
}

References GetType(), m_list, m_nReserved1, m_nReserved2, CIccCurveSegment::StartPoint(), CIccCurveSegment::Write(), CIccIO::Write16(), CIccIO::Write32(), and CIccIO::WriteFloat32Float().

Referenced by CIccTagSegmentedCurve::Write().

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Field Documentation

m_list

CIccCurveSegmentList* CIccSegmentedCurve::m_list

protected

Referenced by CIccSegmentedCurve(), CIccSegmentedCurve(), ~CIccSegmentedCurve(), Apply(), Begin(), Describe(), Insert(), operator=(), CIccSegmentedCurveXml::ParseXml(), Read(), Reset(), CIccSegmentedCurveXml::ToXml(), Validate(), and Write().

m_nReserved1

icUInt32Number CIccSegmentedCurve::m_nReserved1

protected

Referenced by CIccSegmentedCurve(), CIccSegmentedCurve(), operator=(), Read(), Validate(), and Write().

m_nReserved2

icUInt32Number CIccSegmentedCurve::m_nReserved2

protected

Referenced by CIccSegmentedCurve(), CIccSegmentedCurve(), operator=(), Read(), Validate(), and Write().

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

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