CIccCurve Class Reference

Class: CIccCurve. More...

#include <IccTagLut.h>

Inheritance diagram for CIccCurve:

Collaboration diagram for CIccCurve:

Public Member Functions
virtual icFloatNumber	Apply (icFloatNumber v) const
virtual void	Begin ()
	CIccCurve ()
virtual void	DumpLut (std::string &sDescription, const icChar *szName, icColorSpaceSignature csSig, int nIndex, int nVerboseness)
icFloatNumber	Find (icFloatNumber v)
virtual bool	IsIdentity ()
virtual CIccTag *	NewCopy () const
	Function: NewCopy(sDescription) Each derived tag will implement it's own NewCopy() function.
virtual	~CIccCurve ()
Public Member Functions inherited from CIccTag
	CIccTag ()
	Name: CIccTag::CIccTag.
virtual void	Describe (std::string &sDescription, int nVerboseness=0)
	Function: Describe(sDescription) Each derived tag will implement it's own Describe() function.
virtual void	DetachIO ()
	Function: ReadAll() - Read All sub data for tag from file.
virtual const icChar *	GetClassName () const
virtual IIccExtensionTag *	GetExtension ()
virtual icArraySignature	GetTagArrayType () const
virtual icStructSignature	GetTagStructType () const
virtual icTagTypeSignature	GetType () const
	Function: GetType()
virtual bool	IsArrayType ()
virtual bool	IsMBBType ()
virtual bool	IsNumArrayType () const
virtual bool	IsSupported ()
	Function: IsSupported(size, pIO) - Check if tag fully supported for apply purposes.
virtual bool	Read (icUInt32Number size, CIccIO *pIO)
	Function: Read(size, pIO) - Read tag from file.
virtual bool	Read (icUInt32Number size, CIccIO *pIO, CIccProfile *pProfile)
	Function: Read(size, pIO) - Read tag from file.
virtual bool	ReadAll ()
	Function: ReadAll() - Read All sub data for tag from file.
virtual icValidateStatus	Validate (std::string sigPath, std::string &sReport, const CIccProfile *pProfile=NULL) const
	Function: Validate Each derived tag will implement it's own IsValid() function.
virtual bool	Write (CIccIO *pIO)
	Function: Write(pIO) Each derived tag will implement it's own Write() function.
virtual	~CIccTag ()
	Name: CIccTag::CIccTag.

Protected Member Functions
icFloatNumber	Find (icFloatNumber v, icFloatNumber p0, icFloatNumber v0, icFloatNumber p1, icFloatNumber v1)
	Name: CIccCurve::Find.

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

Detailed Description

Class: CIccCurve.

Purpose: The base curve class

Definition at line 90 of file IccTagLut.h.

Constructor & Destructor Documentation

CIccCurve()

CIccCurve::CIccCurve ( )

inline

Definition at line 93 of file IccTagLut.h.

{}

~CIccCurve()

virtual CIccCurve::~CIccCurve ( )

inlinevirtual

Definition at line 95 of file IccTagLut.h.

{}

Member Function Documentation

Apply()

virtual icFloatNumber CIccCurve::Apply ( icFloatNumber v ) const

inlinevirtual

Reimplemented in CIccTagCurve, CIccTagParametricCurve, and CIccTagSegmentedCurve.

Definition at line 101 of file IccTagLut.h.

{ return v; }

Referenced by RGBClip().

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Begin()

virtual void CIccCurve::Begin ( )

inlinevirtual

Reimplemented in CIccTagCurve, and CIccTagSegmentedCurve.

Definition at line 100 of file IccTagLut.h.

{}

DumpLut()

virtual void CIccCurve::DumpLut ( std::string & sDescription, const icChar * szName, icColorSpaceSignature csSig, int nIndex, int nVerboseness )

inlinevirtual

Reimplemented in CIccTagCurve, CIccTagParametricCurve, and CIccTagSegmentedCurve.

Definition at line 97 of file IccTagLut.h.

                                                               {}

Find() [1/2]

icFloatNumber CIccCurve::Find ( icFloatNumber v )

inline

Definition at line 103 of file IccTagLut.h.

{ return Find(v, 0, Apply(0), 1.0, Apply(1.0)); }

References Find().

Referenced by Find().

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Find() [2/2]

icFloatNumber CIccCurve::Find ( icFloatNumber v, icFloatNumber p0, icFloatNumber v0, icFloatNumber p1, icFloatNumber v1 )

protected

Name: CIccCurve::Find.

Purpose: Read in the tag contents into a data block

Args: v = index to be searched, v0 = index less than/equal to v, p0 = the value at index v0, v1 = index greater than/equal to v, p1 = value at index v1

Return: The value at the requested index

Definition at line 107 of file IccTagLut.cpp.

{
  if (v<=v0)
    return p0;
  if (v>=v1)
    return p1;
 
  if (p1-p0 <= 0.00001) {
    icFloatNumber d0 = (icFloatNumber)fabs(v-v0);
    icFloatNumber d1 = (icFloatNumber)fabs(v1-v);
 
    if (d0<d1)
      return p0;
    return p1;
  }
 
  icFloatNumber np = (icFloatNumber)((p0 + p1)/2.0);
  icFloatNumber nv = Apply(np);
 
  if (v<=nv) {
    return Find(v, p0, v0, np, nv);
  }
  return Find(v, np, nv, p1, v1);
}

IsIdentity()

virtual bool CIccCurve::IsIdentity ( )

inlinevirtual

Reimplemented in CIccTagCurve, CIccTagParametricCurve, and CIccTagSegmentedCurve.

Definition at line 104 of file IccTagLut.h.

{return false;}

NewCopy()

virtual CIccTag * CIccCurve::NewCopy ( ) const

inlinevirtual

Function: NewCopy(sDescription) Each derived tag will implement it's own NewCopy() function.

Parameter(s): none

Returns a new CIccTag object that is a copy of this object.

Reimplemented from CIccTag.

Reimplemented in CIccTagCurve, CIccTagParametricCurve, and CIccTagSegmentedCurve.

Definition at line 94 of file IccTagLut.h.

{ return new CIccCurve; } 

Referenced by CIccMBB::CIccMBB(), and CIccMBB::operator=().

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

• IccProfLib/IccTagLut.h
• IccProfLib/IccTagLut.cpp