CIccSegmentedCurve Class Reference

Class: CIccSegmentedCurve. More...

#include <IccMpeBasic.h>

Inheritance diagram for CIccSegmentedCurve:

Collaboration diagram for CIccSegmentedCurve:

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

Protected Attributes
CIccCurveSegmentList *	m_list
icUInt32Number	m_nReserved1
icUInt32Number	m_nReserved2

Additional Inherited Members
Static Public Member Functions inherited from CIccCurveSetCurve
static CIccCurveSetCurve *	Create (icCurveElemSignature sig)
	Name: CIccCurveSetCurve::Create.

Detailed Description

Class: CIccSegmentedCurve.

Purpose: The Curve Set Segmented Curve Type

Definition at line 248 of file IccMpeBasic.h.

Constructor & Destructor Documentation

CIccSegmentedCurve() [1/2]

CIccSegmentedCurve::CIccSegmentedCurve

(

)

Name: CIccSegmentedCurve::CIccSegmentedCurve.

Purpose:

Args:

Return:

Definition at line 2523 of file IccMpeBasic.cpp.

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

CIccSegmentedCurve() [2/2]

CIccSegmentedCurve::CIccSegmentedCurve

(

const CIccSegmentedCurve &

curve

)

Name: CIccSegmentedCurve::CIccSegmentedCurve.

Purpose:

Args:

Return:

Definition at line 2542 of file IccMpeBasic.cpp.

{
  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, and m_nReserved2.

~CIccSegmentedCurve()

CIccSegmentedCurve::~CIccSegmentedCurve ( )

virtual

Name: CIccSegmentedCurve::~CIccSegmentedCurve.

Purpose:

Args:

Return:

Definition at line 2592 of file IccMpeBasic.cpp.

{
  Reset();
  delete m_list;
}

Member Function Documentation

Apply()

icFloatNumber CIccSegmentedCurve::Apply ( icFloatNumber v ) const

virtual

Name: CIccSegmentedCurve::Apply.

Purpose:

Args:

Return:

Implements CIccCurveSetCurve.

Definition at line 2882 of file IccMpeBasic.cpp.

{
 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().

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Begin()

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

virtual

Name: CIccSegmentedCurve::Begin.

Purpose:

Args:

Return:

Implements CIccCurveSetCurve.

Definition at line 2854 of file IccMpeBasic.cpp.

{
  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;
}

Referenced by CIccTagSegmentedCurve::Begin().

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Describe()

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

virtual

Name: CIccSegmentedCurve::Describe.

Purpose:

Args:

Return:

Implements CIccCurveSetCurve.

Definition at line 2609 of file IccMpeBasic.cpp.

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

GetClassName()

virtual const icChar * CIccSegmentedCurve::GetClassName ( ) const

inlinevirtual

Implements CIccCurveSetCurve.

Definition at line 258 of file IccMpeBasic.h.

{ return "CIccSegmentedCurve"; }

GetType()

virtual icCurveElemSignature CIccSegmentedCurve::GetType ( ) const

inlinevirtual

Implements CIccCurveSetCurve.

Definition at line 257 of file IccMpeBasic.h.

{ return icSigSegmentedCurve; }

References icSigSegmentedCurve.

Insert()

bool CIccSegmentedCurve::Insert

(

CIccCurveSegment *

pCurveSegment

)

Name: CIccSegmentedCurve::Insert.

Purpose:

Args:

Return:

Definition at line 2825 of file IccMpeBasic.cpp.

{
  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::StartPoint().

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NewCopy()

virtual CIccCurveSetCurve * CIccSegmentedCurve::NewCopy ( ) const

inlinevirtual

Implements CIccCurveSetCurve.

Definition at line 254 of file IccMpeBasic.h.

{ return new CIccSegmentedCurve(*this);}

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:

Definition at line 2566 of file IccMpeBasic.cpp.

{
  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, and m_nReserved2.

Read()

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

virtual

Name: CIccSegmentedCurve::Read.

Purpose:

Args:

Return:

Implements CIccCurveSetCurve.

Definition at line 2631 of file IccMpeBasic.cpp.

{
  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(), icMaxFloat32Number, icMinFloat32Number, icSeekSet, CIccCurveSegment::Read(), CIccIO::Read16(), CIccIO::Read32(), CIccIO::ReadFloat32Float(), CIccIO::Seek(), sig, and CIccIO::Tell().

Referenced by CIccTagSegmentedCurve::Read().

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Reset()

void CIccSegmentedCurve::Reset

(

)

Name: CIccSegmentedCurve::Reset.

Purpose:

Args:

Return:

Definition at line 2804 of file IccMpeBasic.cpp.

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

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.

Definition at line 2903 of file IccMpeBasic.cpp.

{
  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(), icGetSigPath(), icMaxStatus(), icMsgValidateCriticalError, icMsgValidateWarning, icValidateCriticalError, icValidateOK, and icValidateWarning.

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Write()

bool CIccSegmentedCurve::Write ( CIccIO * pIO )

virtual

Name: CIccSegmentedCurve::Write.

Purpose:

Args:

Return:

Implements CIccCurveSetCurve.

Definition at line 2753 of file IccMpeBasic.cpp.

{
  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 sig, CIccIO::Write16(), CIccIO::Write32(), and CIccIO::WriteFloat32Float().

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Member Data Documentation

m_list

CIccCurveSegmentList* CIccSegmentedCurve::m_list

protected

Definition at line 273 of file IccMpeBasic.h.

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

m_nReserved1

icUInt32Number CIccSegmentedCurve::m_nReserved1

protected

Definition at line 274 of file IccMpeBasic.h.

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

m_nReserved2

icUInt32Number CIccSegmentedCurve::m_nReserved2

protected

Definition at line 275 of file IccMpeBasic.h.

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

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

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