CIccMinMaxEval Class Reference

Inheritance diagram for CIccMinMaxEval:

Collaboration diagram for CIccMinMaxEval:

Public Member Functions
	CIccMinMaxEval ()
	CIccMinMaxEval ()
void	Compare (icFloatNumber *pixel, icFloatNumber *deviceLab, icFloatNumber *lab1, icFloatNumber *lab2)
void	Compare (icFloatNumber *pixel, icFloatNumber *deviceLab, icFloatNumber *lab1, icFloatNumber *lab2)
icStatusCMM ICCPROFLIB_API	EvaluateProfile (CIccProfile *pProfile, icUInt8Number nGran=0, icRenderingIntent nIntent=icUnknownIntent, icXformInterp nInterp=icInterpLinear, bool buseMpeTags=true)
icStatusCMM ICCPROFLIB_API	EvaluateProfile (const icChar *szProfilePath, icUInt8Number nGran=0, icRenderingIntent nIntent=icUnknownIntent, icXformInterp nInterp=icInterpLinear, bool buseMpeTags=true)
icFloatNumber	GetMean1 ()
icFloatNumber	GetMean1 ()
icFloatNumber	GetMean2 ()
icFloatNumber	GetMean2 ()

Data Fields
icUInt32Number	m_nTotal
icFloatNumber	maxDE1
icFloatNumber	maxDE2
icFloatNumber	maxLab1 [3]
icFloatNumber	maxLab2 [3]
icFloatNumber	minDE1
icFloatNumber	minDE2
icUInt32Number	num3

Protected Attributes
icFloatNumber	num1
icFloatNumber	num2
icFloatNumber	sum1
icFloatNumber	sum2

Detailed Description

Constructor & Destructor Documentation

CIccMinMaxEval() [1/2]

CIccMinMaxEval::CIccMinMaxEval

(

)

{
  minDE1 = minDE2 = 10000;
  maxDE1 = maxDE2 = -1;
  sum1 = sum2 = 0;
  num1 = num2 = 0.0;
  num3 = m_nTotal = 0;
 
  memset(&maxLab1[0], 0, sizeof(maxLab1));
  memset(&maxLab2[0], 0, sizeof(maxLab2));
}

References m_nTotal, maxDE1, maxDE2, maxLab1, maxLab2, minDE1, minDE2, num1, num2, num3, sum1, and sum2.

CIccMinMaxEval() [2/2]

CIccMinMaxEval::CIccMinMaxEval

(

)

Member Function Documentation

Compare() [1/2]

void CIccMinMaxEval::Compare ( icFloatNumber *  pixel, icFloatNumber *  deviceLab, icFloatNumber *  lab1, icFloatNumber *  lab2  )

virtual

Implements CIccEvalCompare.

{
  icFloatNumber DE1 = icDeltaE(deviceLab, lab1);
  icFloatNumber DE2 = icDeltaE(lab1, lab2);
 
  if (DE1<minDE1) {
    minDE1 = DE1;
  }
 
  if (DE1>maxDE1) {
    maxDE1 = DE1;
    memcpy(&maxLab1[0], deviceLab, sizeof(maxLab1));
  }
 
  if (DE2<minDE2) {
    minDE2 = DE2;
  }
 
  if (DE2>maxDE2) {
    maxDE2 = DE2;
    memcpy(&maxLab2[0], deviceLab, sizeof(maxLab2));
  }
 
  if(DE2 <= 1.0)
    num3 += 1;
 
  sum1 += DE1;
  num1 += 1.0;
 
  sum2 += DE2;
  num2 += 1.0;
 
  m_nTotal += 1;
}

References icDeltaE(), m_nTotal, maxDE1, maxDE2, maxLab1, maxLab2, minDE1, minDE2, num1, num2, num3, sum1, and sum2.

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Compare() [2/2]

void CIccMinMaxEval::Compare ( icFloatNumber *  pixel, icFloatNumber *  deviceLab, icFloatNumber *  lab1, icFloatNumber *  lab2  )

virtual

Implements CIccEvalCompare.

EvaluateProfile() [1/2]

icStatusCMM CIccEvalCompare::EvaluateProfile ( CIccProfile *  pProfile, icUInt8Number  nGran = 0, icRenderingIntent  nIntent = icUnknownIntent, icXformInterp  nInterp = icInterpLinear, bool  buseMpeTags = true  )

inherited

{
  if (!pProfile)
  {
    return icCmmStatCantOpenProfile;
  }
 
  if (pProfile->m_Header.deviceClass!=icSigInputClass &&
    pProfile->m_Header.deviceClass!=icSigDisplayClass &&
    pProfile->m_Header.deviceClass!=icSigOutputClass &&
    pProfile->m_Header.deviceClass!=icSigColorSpaceClass)
  {
    return icCmmStatInvalidProfile;
  }
 
  CIccCmm dev2Lab(icSigUnknownData, icSigLabData);
  CIccCmm Lab2Dev2Lab(icSigLabData, icSigLabData, false);
 
  icStatusCMM result;
 
  result = dev2Lab.AddXform(*pProfile, nIntent, nInterp, NULL, icXformLutColorimetric, buseMpeTags);
 
  if (result!=icCmmStatOk) {
    return result;
  }
 
  result = dev2Lab.Begin();
  if (result != icCmmStatOk) {
    return result;
  }
 
  result = Lab2Dev2Lab.AddXform(*pProfile, nIntent, nInterp, NULL, icXformLutColorimetric, buseMpeTags);
  if (result != icCmmStatOk) {
    return result;
  }
 
  result = Lab2Dev2Lab.AddXform(*pProfile, nIntent, nInterp, NULL, icXformLutColorimetric, buseMpeTags);
  if (result != icCmmStatOk) {
    return result;
  }
 
  result = Lab2Dev2Lab.Begin();
  if (result != icCmmStatOk) {
    return result;
  }
 
  icFloatNumber sPixel[15];
  icFloatNumber devPcs[15], roundPcs1[15], roundPcs2[15];
 
  int ndim = icGetSpaceSamples(pProfile->m_Header.colorSpace);
  int ndim1 = ndim+1;
 
  // determine granularity
  if (!nGran)
  {
    CIccTagLutAtoB* pTag = (CIccTagLutAtoB*)pProfile->FindTag(icSigAToB0Tag+(nIntent==icAbsoluteColorimetric ? icRelativeColorimetric : nIntent));
    if (!pTag || ndim==3)
    {
      nGran = 33;
    }
    else {
      CIccCLUT* pClut = pTag->GetCLUT();
      if (pClut)
        nGran = pClut->GridPoints()+2;
      else
        nGran = 33;
    }
  }
 
  int i, j;
  icFloatNumber stepsize = (icFloatNumber)(1.0 / (icFloatNumber)(nGran - 1));
  icFloatNumber* steps = new icFloatNumber[ndim1];
 
  icFloatNumber nstart = 0.0;
  icFloatNumber nEnd = (icFloatNumber)(1.0 + stepsize / 2.0);
 
  // Initialize all step values to zero
  for (j = 0; j < ndim1; j++) {
      steps[j] = nstart;
  }
 
  // Multidimensional iterator loop
  while (steps[0] == nstart) {
      for (j = 0; j < ndim; j++) {
          sPixel[j] = icMin(steps[j + 1], 1.0);
      }
 
      // Increment step value
      steps[ndim] += stepsize;
 
      // Carry over logic
      for (i = ndim; i > 0; i--) {
          if (steps[i] > nEnd) {
              steps[i] = nstart;
              steps[i - 1] += stepsize;
          }
          else {
              break;
          }
      }
 
    dev2Lab.Apply(devPcs, sPixel); //Convert device value to pcs from input table
    Lab2Dev2Lab.Apply(roundPcs1, devPcs);  //First round trip gets color into output gamut
    Lab2Dev2Lab.Apply(roundPcs2, roundPcs1);  //Second round trip find reproducibility error
 
    icLabFromPcs(devPcs);
    icLabFromPcs(roundPcs1);
    icLabFromPcs(roundPcs2);
 
    Compare(sPixel, devPcs, roundPcs1, roundPcs2);
  }
 
  delete[] steps;
  
  return icCmmStatOk;
}

References icHeader::colorSpace, CIccEvalCompare::Compare(), icHeader::deviceClass, CIccMBB::GetCLUT(), CIccCLUT::GridPoints(), icAbsoluteColorimetric, icCmmStatCantOpenProfile, icCmmStatInvalidProfile, icCmmStatOk, icGetSpaceSamples(), icLabFromPcs(), icMin(), icRelativeColorimetric, icSigAToB0Tag, icSigColorSpaceClass, icSigDisplayClass, icSigInputClass, icSigLabData, icSigOutputClass, and icXformLutColorimetric.

Referenced by CIccEvalCompare::EvaluateProfile().

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EvaluateProfile() [2/2]

icStatusCMM CIccEvalCompare::EvaluateProfile ( const icChar *  szProfilePath, icUInt8Number  nGran = 0, icRenderingIntent  nIntent = icUnknownIntent, icXformInterp  nInterp = icInterpLinear, bool  buseMpeTags = true  )

inherited

{
  CIccProfile *pProfile = ReadIccProfile(szProfilePath);
 
  if (!pProfile) 
    return icCmmStatCantOpenProfile;
 
  icStatusCMM result = EvaluateProfile(pProfile, nGrid, nIntent, nInterp, buseMpeTags);
 
  delete pProfile;
 
  return result;
}

References CIccProfile, CIccEvalCompare::EvaluateProfile(), icCmmStatCantOpenProfile, and ReadIccProfile().

Referenced by main().

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GetMean1() [1/2]

icFloatNumber CIccMinMaxEval::GetMean1 ( )

inline

{ return sum1 / num1; }

References num1, and sum1.

Referenced by main().

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GetMean1() [2/2]

icFloatNumber CIccMinMaxEval::GetMean1 ( )

inline

{ return sum1 / num1; }

GetMean2() [1/2]

icFloatNumber CIccMinMaxEval::GetMean2 ( )

inline

{ return sum2 / num2; }

References num2, and sum2.

Referenced by main().

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GetMean2() [2/2]

icFloatNumber CIccMinMaxEval::GetMean2 ( )

inline

{ return sum2 / num2; }

Field Documentation

m_nTotal

icUInt32Number CIccMinMaxEval::m_nTotal

Referenced by CIccMinMaxEval(), and Compare().

maxDE1

icFloatNumber CIccMinMaxEval::maxDE1

Referenced by CIccMinMaxEval(), Compare(), and main().

maxDE2

icFloatNumber CIccMinMaxEval::maxDE2

Referenced by CIccMinMaxEval(), Compare(), and main().

maxLab1

icFloatNumber CIccMinMaxEval::maxLab1

Referenced by CIccMinMaxEval(), Compare(), and main().

maxLab2

icFloatNumber CIccMinMaxEval::maxLab2

Referenced by CIccMinMaxEval(), Compare(), and main().

minDE1

icFloatNumber CIccMinMaxEval::minDE1

Referenced by CIccMinMaxEval(), Compare(), and main().

minDE2

icFloatNumber CIccMinMaxEval::minDE2

Referenced by CIccMinMaxEval(), Compare(), and main().

num1

icFloatNumber CIccMinMaxEval::num1

protected

Referenced by CIccMinMaxEval(), Compare(), and GetMean1().

num2

icFloatNumber CIccMinMaxEval::num2

protected

Referenced by CIccMinMaxEval(), Compare(), and GetMean2().

num3

icUInt32Number CIccMinMaxEval::num3

Referenced by CIccMinMaxEval(), and Compare().

sum1

icFloatNumber CIccMinMaxEval::sum1

protected

Referenced by CIccMinMaxEval(), Compare(), and GetMean1().

sum2

icFloatNumber CIccMinMaxEval::sum2

protected

Referenced by CIccMinMaxEval(), Compare(), and GetMean2().

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

• Tools/CmdLine/IccRoundTrip/iccRoundTrip.cpp
• Tools/wxWidget/wxProfileDump/wxProfileDump.cpp