IccV5DspObsToV4Dsp.cpp File Reference

#include <stdio.h>
#include <cstring>
#include "IccProfile.h"
#include "IccTag.h"
#include "IccTagMPE.h"
#include "IccTagLut.h"
#include "IccMpeBasic.h"
#include "IccMpeSpectral.h"
#include "IccUtil.h"
#include "IccProfLibVer.h"
#include <memory>

Include dependency graph for IccV5DspObsToV4Dsp.cpp:

Go to the source code of this file.

Typedefs
typedef std::shared_ptr< CIccProfile >	CIccProfileSharedPtr

Functions
int	main (int argc, char *argv[])

Typedef Documentation

CIccProfileSharedPtr

typedef std::shared_ptr<CIccProfile> CIccProfileSharedPtr

Definition at line 84 of file IccV5DspObsToV4Dsp.cpp.

Function Documentation

main()

int main	(	int	argc,
		char *	argv[] )

Definition at line 86 of file IccV5DspObsToV4Dsp.cpp.

{
  if (argc <= 3) {
    printf("Usage: iccV5DspObsToV4Dsp v5DspIccPath v5ObsPcc v4DspIccPath\n");
    printf("Built with IccProfLib version " ICCPROFLIBVER "\n");
 
    return -1;
  }
 
  CIccProfileSharedPtr dspIcc = CIccProfileSharedPtr(ReadIccProfile(argv[1]));
 
  if (!dspIcc) {
    printf("Unable to parse '%s'\n", argv[1]);
    return -2;
  }
 
  if (dspIcc->m_Header.version < icVersionNumberV5 ||
    dspIcc->m_Header.deviceClass != icSigDisplayClass) {
    printf("%s is not a V5 display profile\n", argv[1]);
    return -2;
  }
 
  CIccTagMultiProcessElement* pTagIn = (CIccTagMultiProcessElement*)dspIcc->FindTagOfType(icSigAToB1Tag, icSigMultiProcessElementType);
 
  if (!pTagIn) {
    printf("%s doesn't have an AToB1Tag of type mulitProcessElementType\n", argv[1]);
    return -2;
  }
 
  CIccMultiProcessElement *curveMpe, *matrixMpe;
 
  if (pTagIn->NumElements() != 2 ||
      pTagIn->NumInputChannels() != 3 ||
      pTagIn->NumOutputChannels() != 3 ||
      ((curveMpe = pTagIn->GetElement(0))==nullptr) ||
      curveMpe->GetType()!= icSigCurveSetElemType ||
      ((matrixMpe = pTagIn->GetElement(1))==nullptr) ||
      matrixMpe->GetType()!=icSigEmissionMatrixElemType) {
    printf("%s doesn't have a spectral emission AToB1Tag\n", argv[1]);
    return -2;
  }
 
  CIccProfileSharedPtr pccIcc = CIccProfileSharedPtr(ReadIccProfile(argv[2]));
 
  if (!pccIcc) {
    printf("Unable to parse '%s'\n", argv[2]);
    return -2;
  }
 
  if (pccIcc->m_Header.version < icVersionNumberV5) {
    printf("%s is not a V5 profile\n", argv[1]);
    return -2;
  }
 
  CIccTagSpectralViewingConditions* pTagSvcn = (CIccTagSpectralViewingConditions*)pccIcc->FindTagOfType(icSigSpectralViewingConditionsTag, icSigSpectralViewingConditionsType);
  CIccTagMultiProcessElement* pTagC2S = (CIccTagMultiProcessElement*)pccIcc->FindTagOfType(icSigCustomToStandardPccTag, icSigMultiProcessElementType);
 
  if (!pTagSvcn ||
    !pTagC2S ||
    pTagC2S->NumInputChannels() != 3 ||
    pTagC2S->NumOutputChannels() != 3) {
    printf("%s doesn't have Profile Connection Conditions\n", argv[2]);
    return -2;
  }
 
  pTagIn->Begin(icElemInterpLinear, dspIcc.get(), pccIcc.get());
 
  std::shared_ptr<CIccApplyTagMpe> pApplyMpe = std::shared_ptr<CIccApplyTagMpe>(pTagIn->GetNewApply());
 
  auto applyList = pApplyMpe->GetList();
  auto applyIter = applyList->begin();
  auto curveApply = applyIter->ptr;
  applyIter++;
  auto mtxApply = applyIter->ptr;
 
  pTagC2S->Begin(icElemInterpLinear, pccIcc.get());
  
  std::shared_ptr<CIccApplyTagMpe> pAppyC2S = std::shared_ptr<CIccApplyTagMpe>(pTagC2S->GetNewApply());
 
 
  CIccProfilePtr pIcc = CIccProfilePtr(new CIccProfile());
 
  pIcc->InitHeader();
  pIcc->m_Header.deviceClass = icSigDisplayClass;
  pIcc->m_Header.version = icVersionNumberV4_3;
 
  CIccTag* pDesc = dspIcc->FindTag(icSigProfileDescriptionTag);
 
  CIccTagMultiLocalizedUnicode* pDspText = new CIccTagMultiLocalizedUnicode();
  std::string text;
  if (!icGetTagText(pDesc, text))
    text = std::string("Display profile from '") + argv[1] + "' and PCC '" + argv[2] + "'";
  pDspText->SetText(text.c_str());
 
  pIcc->AttachTag(icSigProfileDescriptionTag, pDspText);
 
  pDspText = new CIccTagMultiLocalizedUnicode();
  pDspText->SetText("Copyright (C) 2023 International Color Consortium");
 
  pIcc->AttachTag(icSigCopyrightTag, pDspText);
 
  CIccTagCurve* pTrcR = new CIccTagCurve(2048);
  CIccTagCurve* pTrcG = new CIccTagCurve(2048);
  CIccTagCurve* pTrcB = new CIccTagCurve(2048);
 
  icFloatNumber in[3], out[3];
  for (icUInt16Number i=0; i<2048; i++) {
    in[0] = in[1] = in[2] = (icFloatNumber)i / 2047.0f;
    curveMpe->Apply(curveApply, out, in);
    (*pTrcR)[i] = out[0];
    (*pTrcG)[i] = out[1];
    (*pTrcB)[i] = out[2];
  }
 
  const icFloatNumber rRGB[3] = { 1.0f, 0.0f, 0.0f };
  const icFloatNumber gRGB[3] = { 0.0f, 1.0f, 0.0f };
  const icFloatNumber bRGB[3] = { 0.0f, 0.0f, 1.0f };
 
  CIccTagS15Fixed16* primaryXYZ;
  
  matrixMpe->Apply(mtxApply, in, rRGB);
  pTagC2S->Apply(pAppyC2S.get(), out, in);
 
  primaryXYZ = new CIccTagS15Fixed16(3);
  (*primaryXYZ)[0] = icDtoF(out[0]); (*primaryXYZ)[1] = icDtoF(out[1]); (*primaryXYZ)[2] = icDtoF(out[2]);
  pIcc->AttachTag(icSigRedColorantTag, primaryXYZ);
 
  matrixMpe->Apply(mtxApply, in, gRGB);
  pTagC2S->Apply(pAppyC2S.get(), out, in);
 
  primaryXYZ = new CIccTagS15Fixed16(3);
  (*primaryXYZ)[0] = icDtoF(out[0]); (*primaryXYZ)[1] = icDtoF(out[1]); (*primaryXYZ)[2] = icDtoF(out[2]);
  pIcc->AttachTag(icSigGreenColorantTag, primaryXYZ);
 
  matrixMpe->Apply(mtxApply, in, bRGB);
  pTagC2S->Apply(pAppyC2S.get(), out, in);
 
  primaryXYZ = new CIccTagS15Fixed16(3);
  (*primaryXYZ)[0] = icDtoF(out[0]); (*primaryXYZ)[1] = icDtoF(out[1]); (*primaryXYZ)[2] = icDtoF(out[2]);
  pIcc->AttachTag(icSigBlueColorantTag, primaryXYZ);
 
  SaveIccProfile(argv[3], pIcc);
  printf("%s successfully created\n", argv[3]);
 
  return 0;
 }

References CIccMultiProcessElement::Apply(), CIccTagMultiProcessElement::Apply(), CIccTagMultiProcessElement::Begin(), CIccTagMultiProcessElement::GetElement(), CIccTagMultiProcessElement::GetNewApply(), CIccMultiProcessElement::GetType(), ICCPROFLIBVER, icDtoF(), icElemInterpLinear, icGetTagText(), icSigAToB1Tag, icSigBlueColorantTag, icSigCopyrightTag, icSigCurveSetElemType, icSigCustomToStandardPccTag, icSigDisplayClass, icSigEmissionMatrixElemType, icSigGreenColorantTag, icSigMultiProcessElementType, icSigProfileDescriptionTag, icSigRedColorantTag, icSigSpectralViewingConditionsTag, icSigSpectralViewingConditionsType, icVersionNumberV4_3, icVersionNumberV5, CIccTagMultiProcessElement::NumElements(), CIccTagMultiProcessElement::NumInputChannels(), CIccTagMultiProcessElement::NumOutputChannels(), ReadIccProfile(), SaveIccProfile(), and CIccTagMultiLocalizedUnicode::SetText().

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