CIccMpeReflectanceObserver Class Reference

Class: CIccMpeReflectanceObserver. More...

#include <IccMpeSpectral.h>

Inheritance diagram for CIccMpeReflectanceObserver:

Collaboration diagram for CIccMpeReflectanceObserver:

Public Member Functions
virtual bool	Begin (icElemInterp nInterp, CIccTagMultiProcessElement *pMPE)
	Name: CIccMpeReflectanceObserver::Begin.
	CIccMpeReflectanceObserver ()
	CIccMpeReflectanceObserver (const CIccMpeReflectanceObserver &ITPC)
virtual const icChar *	GetClassName () const
virtual icElemTypeSignature	GetType () const
virtual bool	IsLateBindingReflectance () const
virtual CIccMpeReflectanceObserver *	NewCopy () const
CIccMpeReflectanceObserver &	operator= (const CIccMpeReflectanceObserver &ITPC)
virtual	~CIccMpeReflectanceObserver ()
Public Member Functions inherited from CIccMpeSpectralObserver
virtual void	Apply (CIccApplyMpe *pApply, icFloatNumber *dstPixel, const icFloatNumber *srcPixel) const
	CIccMpeSpectralObserver ()
	Name: CIccMpeSpectralObserver::CIccMpeSpectralObserver.
	CIccMpeSpectralObserver (const CIccMpeSpectralObserver &ITPC)
	Name: CIccMpeSpectralObserver::CIccMpeSpectralObserver.
virtual void	Describe (std::string &sDescription, int nVerboseness)
	Name: CIccMpeSpectralObserver::Describe.
const icSpectralRange &	GetRange ()
icFloatNumber *	GetWhite ()
virtual bool	IsLateBinding () const
virtual bool	Read (icUInt32Number size, CIccIO *pIO)
	Name: CIccMpeSpectralObserver::Read.
bool	SetSize (icUInt16Number nInputChannels, icUInt16Number nOutputChannels, const icSpectralRange &range)
	Name: CIccMpeSpectralObserver::SetSize.
virtual icValidateStatus	Validate (std::string sigPath, std::string &sReport, const CIccTagMultiProcessElement *pMPE=NULL, const CIccProfile *pProfile=NULL) const
	Name: CIccMpeSpectralObserver::Validate.
virtual bool	Write (CIccIO *pIO)
	Name: CIccMpeSpectralObserver::Write.
virtual	~CIccMpeSpectralObserver ()
	Name: CIccMpeSpectralObserver::~CIccMpeSpectralObserver.
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	IsSupported ()
virtual icUInt16Number	NumInputChannels () const
virtual icUInt16Number	NumOutputChannels () const
virtual	~CIccMultiProcessElement ()

Protected Member Functions
virtual const char *	GetDescribeName () const
Protected Member Functions inherited from CIccMpeSpectralObserver
void	copyData (const CIccMpeSpectralObserver &ITPC)
	Name: &CIccMpeSpectralObserver::operator=.

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
Protected Attributes inherited from CIccMpeSpectralObserver
icUInt16Number	m_flags
CIccMatrixMath *	m_pApplyMtx
icFloatNumber *	m_pWhite
icSpectralRange	m_Range
icFloatNumber	m_xyzscale [3]
icFloatNumber	m_xyzw [3]
Protected Attributes inherited from CIccMultiProcessElement
icUInt16Number	m_nInputChannels
icUInt16Number	m_nOutputChannels

Detailed Description

Class: CIccMpeReflectanceObserver.

Purpose: The Reflectance Observer Element

Definition at line 404 of file IccMpeSpectral.h.

Constructor & Destructor Documentation

CIccMpeReflectanceObserver() [1/2]

CIccMpeReflectanceObserver::CIccMpeReflectanceObserver ( )

inline

Definition at line 407 of file IccMpeSpectral.h.

: CIccMpeSpectralObserver() {}

CIccMpeReflectanceObserver() [2/2]

CIccMpeReflectanceObserver::CIccMpeReflectanceObserver ( const CIccMpeReflectanceObserver & ITPC )

inline

Definition at line 408 of file IccMpeSpectral.h.

: CIccMpeSpectralObserver(ITPC) {}

~CIccMpeReflectanceObserver()

virtual CIccMpeReflectanceObserver::~CIccMpeReflectanceObserver ( )

inlinevirtual

Definition at line 411 of file IccMpeSpectral.h.

{}

Member Function Documentation

Begin()

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

virtual

Name: CIccMpeReflectanceObserver::Begin.

Purpose:

Args:

Return:

Implements CIccMpeSpectralObserver.

Definition at line 2085 of file IccMpeSpectral.cpp.

{
  if (!m_pWhite || m_nInputChannels!=m_Range.steps || m_nOutputChannels!=3)
    return false;
 
  IIccProfileConnectionConditions *pAppliedPCC = pMPE->GetAppliedPCC();
  if (!pAppliedPCC)
    return false;
 
  const CIccTagSpectralViewingConditions *pSVC = pAppliedPCC->getPccViewingConditions();
  if (!pSVC)
    return false;
 
  CIccMatrixMath observer(3, m_Range.steps);
  icSpectralRange illumRange;
  const icFloatNumber *illum = pSVC->getIlluminant(illumRange);
 
  if (!pAppliedPCC->getEmissiveObserver(illumRange, illum, observer.entry(0)))
    return false;
 
  //
  //apply illuminant to observer and calculate XYZ of illuminant
  icFloatNumber *pObs = observer.entry(0);
  int i, j;
  for (i=0; i<3; i++) {
    m_xyzw[i] = 0.0;
    for (j=0; j<illumRange.steps; j++) {
      *pObs *= illum[j];
      m_xyzw[i] += *pObs;
      pObs++;
    }
  }
 
  //concatenate reflectance range mapping to observer+illuminant
  CIccMatrixMath *rangeRef = CIccMatrixMath::rangeMap(m_Range, illumRange);
  if (!rangeRef) 
    m_pApplyMtx = new CIccMatrixMath(observer);
  else
    m_pApplyMtx = rangeRef->Mult(&observer);
 
  icFloatNumber xyzm[3];
 
  m_pApplyMtx->VectorMult(xyzm, m_pWhite);
 
  bool bUseAbsolute = (m_flags & icRelativeSpectralData)!=0;
  bool bLab = (m_flags & icLabSpectralData) != 0;
 
  if (!bUseAbsolute) {
    m_xyzscale[0] = m_xyzw[0] / xyzm[0];
    m_xyzscale[1] = m_xyzw[1] / xyzm[1];
    m_xyzscale[2] = m_xyzw[2] / xyzm[2];
  }
 
  return true;
}

References CIccMatrixMath::entry(), CIccTagMultiProcessElement::GetAppliedPCC(), IIccProfileConnectionConditions::getEmissiveObserver(), CIccTagSpectralViewingConditions::getIlluminant(), IIccProfileConnectionConditions::getPccViewingConditions(), icLabSpectralData, icRelativeSpectralData, CIccMpeSpectralObserver::m_flags, CIccMultiProcessElement::m_nInputChannels, CIccMultiProcessElement::m_nOutputChannels, CIccMpeSpectralObserver::m_pApplyMtx, CIccMpeSpectralObserver::m_pWhite, CIccMpeSpectralObserver::m_Range, CIccMpeSpectralObserver::m_xyzscale, CIccMpeSpectralObserver::m_xyzw, CIccMatrixMath::Mult(), CIccMatrixMath::rangeMap(), icSpectralRange::steps, and CIccMatrixMath::VectorMult().

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GetClassName()

virtual const icChar * CIccMpeReflectanceObserver::GetClassName ( ) const

inlinevirtual

Implements CIccMultiProcessElement.

Reimplemented in CIccMpeXmlReflectanceObserver.

Definition at line 414 of file IccMpeSpectral.h.

{ return "CIccMpeReflectanceObserver"; }

GetDescribeName()

virtual const char * CIccMpeReflectanceObserver::GetDescribeName ( ) const

inlineprotectedvirtual

Implements CIccMpeSpectralObserver.

Definition at line 421 of file IccMpeSpectral.h.

{ return "ELEM_REFLECTANCE_OBSERVER"; }

GetType()

virtual icElemTypeSignature CIccMpeReflectanceObserver::GetType ( ) const

inlinevirtual

Implements CIccMultiProcessElement.

Definition at line 413 of file IccMpeSpectral.h.

{ return icSigReflectanceObserverElemType; }

References icSigReflectanceObserverElemType.

IsLateBindingReflectance()

virtual bool CIccMpeReflectanceObserver::IsLateBindingReflectance ( ) const

inlinevirtual

Reimplemented from CIccMultiProcessElement.

Definition at line 418 of file IccMpeSpectral.h.

{ return true; }

NewCopy()

virtual CIccMpeReflectanceObserver * CIccMpeReflectanceObserver::NewCopy ( ) const

inlinevirtual

Implements CIccMultiProcessElement.

Definition at line 410 of file IccMpeSpectral.h.

{ return new CIccMpeReflectanceObserver(*this);}

operator=()

CIccMpeReflectanceObserver & CIccMpeReflectanceObserver::operator= ( const CIccMpeReflectanceObserver & ITPC )

inline

Definition at line 409 of file IccMpeSpectral.h.

{ copyData(ITPC); return *this; }

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

• IccProfLib/IccMpeSpectral.h
• IccProfLib/IccMpeSpectral.cpp