C++ (Cpp) NonlinearCompression Examples

Example #1

File: cmscam02.c Project: lmsf/jdk9-dev

void CMSEXPORT cmsCIECAM02Forward(cmsHANDLE hModel, const cmsCIEXYZ* pIn, cmsJCh* pOut)
{
    CAM02COLOR clr;
    cmsCIECAM02* lpMod = (cmsCIECAM02*) hModel;

    _cmsAssert(lpMod != NULL);
    _cmsAssert(pIn != NULL);
    _cmsAssert(pOut != NULL);

    memset(&clr, 0, sizeof(clr));

    clr.XYZ[0] = pIn ->X;
    clr.XYZ[1] = pIn ->Y;
    clr.XYZ[2] = pIn ->Z;

    clr = XYZtoCAT02(clr);
    clr = ChromaticAdaptation(clr, lpMod);
    clr = CAT02toHPE(clr);
    clr = NonlinearCompression(clr, lpMod);
    clr = ComputeCorrelates(clr, lpMod);

    pOut ->J = clr.J;
    pOut ->C = clr.C;
    pOut ->h = clr.h;
}

Example #2

File: cmscam02.c Project: makinacorpus/libecw

void LCMSEXPORT cmsCIECAM02Forward(LCMSHANDLE hModel, LPcmsCIEXYZ pIn, LPcmsJCh pOut)
{    
    CAM02COLOR clr;
    LPcmsCIECAM02 lpMod = (LPcmsCIECAM02) (LPSTR) hModel;
    
    clr.XYZ[0] = pIn ->X;
    clr.XYZ[1] = pIn ->Y;
    clr.XYZ[2] = pIn ->Z;
    
    clr = XYZtoCAT02(clr);
    clr = ChromaticAdaptation(clr, lpMod);
    clr = CAT02toHPE(clr);
    clr = NonlinearCompression(clr, lpMod);
    clr = ComputeCorrelates(clr, lpMod);
    
    pOut ->J = clr.J;
    pOut ->C = clr.C;
    pOut ->h = clr.h;         
}

Example #3

File: cmscam02.c Project: greghaskins/openjdk-jdk7u-jdk

cmsHANDLE  CMSEXPORT cmsCIECAM02Init(cmsContext ContextID, const cmsViewingConditions* pVC)
{
    cmsCIECAM02* lpMod;

    _cmsAssert(pVC != NULL);

    if((lpMod = (cmsCIECAM02*) _cmsMallocZero(ContextID, sizeof(cmsCIECAM02))) == NULL) {
        return NULL;
    }

    lpMod ->ContextID = ContextID;

    lpMod ->adoptedWhite.XYZ[0] = pVC ->whitePoint.X;
    lpMod ->adoptedWhite.XYZ[1] = pVC ->whitePoint.Y;
    lpMod ->adoptedWhite.XYZ[2] = pVC ->whitePoint.Z;

    lpMod -> LA       = pVC ->La;
    lpMod -> Yb       = pVC ->Yb;
    lpMod -> D        = pVC ->D_value;
    lpMod -> surround = pVC ->surround;

    switch (lpMod -> surround) {


    case CUTSHEET_SURROUND:
        lpMod->F = 0.8;
        lpMod->c = 0.41;
        lpMod->Nc = 0.8;
        break;

    case DARK_SURROUND:
        lpMod -> F  = 0.8;
        lpMod -> c  = 0.525;
        lpMod -> Nc = 0.8;
        break;

    case DIM_SURROUND:
        lpMod -> F  = 0.9;
        lpMod -> c  = 0.59;
        lpMod -> Nc = 0.95;
        break;

    default:
        // Average surround
        lpMod -> F  = 1.0;
        lpMod -> c  = 0.69;
        lpMod -> Nc = 1.0;
    }

    lpMod -> n   = compute_n(lpMod);
    lpMod -> z   = compute_z(lpMod);
    lpMod -> Nbb = computeNbb(lpMod);
    lpMod -> FL  = computeFL(lpMod);

    if (lpMod -> D == D_CALCULATE) {
        lpMod -> D   = computeD(lpMod);
    }

    lpMod -> Ncb = lpMod -> Nbb;

    lpMod -> adoptedWhite = XYZtoCAT02(lpMod -> adoptedWhite);
    lpMod -> adoptedWhite = ChromaticAdaptation(lpMod -> adoptedWhite, lpMod);
    lpMod -> adoptedWhite = CAT02toHPE(lpMod -> adoptedWhite);
    lpMod -> adoptedWhite = NonlinearCompression(lpMod -> adoptedWhite, lpMod);

    return (cmsHANDLE) lpMod;

}

Example #4

File: cmscam02.c Project: makinacorpus/libecw

LCMSHANDLE LCMSEXPORT cmsCIECAM02Init(LPcmsViewingConditions pVC)
{
    LPcmsCIECAM02 lpMod;


   if((lpMod = (LPcmsCIECAM02) malloc(sizeof(cmsCIECAM02))) == NULL) {
        return (LCMSHANDLE) NULL;
    }


    ZeroMemory(lpMod, sizeof(cmsCIECAM02));

    lpMod ->adoptedWhite.XYZ[0] = pVC ->whitePoint.X;
    lpMod ->adoptedWhite.XYZ[1] = pVC ->whitePoint.Y;
    lpMod ->adoptedWhite.XYZ[2] = pVC ->whitePoint.Z;

    lpMod -> LA       = pVC ->La;
    lpMod -> Yb       = pVC ->Yb;
    lpMod -> D        = pVC ->D_value;
    lpMod -> surround = pVC ->surround;

    switch (lpMod -> surround) {

    case AVG_SURROUND_4:
        lpMod->F = 1.0;     // Not included in CAM02
        lpMod->c = 0.69;
        lpMod->Nc = 1.0;
        break;
      
    case CUTSHEET_SURROUND:
        lpMod->F = 0.8;
        lpMod->c = 0.41;
        lpMod->Nc = 0.8;
        break;
      
    case DARK_SURROUND:
        lpMod -> F  = 0.8;
        lpMod -> c  = 0.525;
        lpMod -> Nc = 0.8;
        break;

    
    case DIM_SURROUND:
        lpMod -> F  = 0.9;
        lpMod -> c  = 0.59;
        lpMod -> Nc = 0.95;
        break;
    
    default:
        // Average surround
        lpMod -> F  = 1.0;
        lpMod -> c  = 0.69;
        lpMod -> Nc = 1.0;
    }

    lpMod -> n   = compute_n(lpMod);
    lpMod -> z   = compute_z(lpMod);
    lpMod -> Nbb = computeNbb(lpMod);
    lpMod -> FL  = computeFL(lpMod);
    lpMod -> D   = computeD(lpMod);
    lpMod -> Ncb = lpMod -> Nbb;
    
    lpMod -> adoptedWhite = XYZtoCAT02(lpMod -> adoptedWhite);
    lpMod -> adoptedWhite = ChromaticAdaptation(lpMod -> adoptedWhite, lpMod);
    lpMod -> adoptedWhite = CAT02toHPE(lpMod -> adoptedWhite);
    lpMod -> adoptedWhite = NonlinearCompression(lpMod -> adoptedWhite, lpMod);
    lpMod -> adoptedWhite = ComputeCorrelates(lpMod -> adoptedWhite, lpMod);

    return (LCMSHANDLE) lpMod;
      
}