chromium/third_party/pdfium/third_party/lcms/src/cmscam02.c

//---------------------------------------------------------------------------------
//
//  Little Color Management System
//  Copyright (c) 1998-2023 Marti Maria Saguer
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the Software
// is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//---------------------------------------------------------------------------------
//

#include "lcms2_internal.h"

// CIECAM 02 appearance model. Many thanks to Jordi Vilar for the debugging.

// ---------- Implementation --------------------------------------------

CAM02COLOR;

cmsCIECAM02;


static
cmsFloat64Number compute_n(cmsCIECAM02* pMod)
{ … }

static
cmsFloat64Number compute_z(cmsCIECAM02* pMod)
{ … }

static
cmsFloat64Number computeNbb(cmsCIECAM02* pMod)
{ … }

static
cmsFloat64Number computeFL(cmsCIECAM02* pMod)
{ … }

static
cmsFloat64Number computeD(cmsCIECAM02* pMod)
{ … }


static
CAM02COLOR XYZtoCAT02(CAM02COLOR clr)
{ … }

static
CAM02COLOR ChromaticAdaptation(CAM02COLOR clr, cmsCIECAM02* pMod)
{ … }


static
CAM02COLOR CAT02toHPE(CAM02COLOR clr)
{ … }

static
CAM02COLOR NonlinearCompression(CAM02COLOR clr, cmsCIECAM02* pMod)
{ … }

static
CAM02COLOR ComputeCorrelates(CAM02COLOR clr, cmsCIECAM02* pMod)
{ … }


static
CAM02COLOR InverseCorrelates(CAM02COLOR clr, cmsCIECAM02* pMod)
{ … }

static
CAM02COLOR InverseNonlinearity(CAM02COLOR clr, cmsCIECAM02* pMod)
{ … }

static
CAM02COLOR HPEtoCAT02(CAM02COLOR clr)
{ … }


static
CAM02COLOR InverseChromaticAdaptation(CAM02COLOR clr,  cmsCIECAM02* pMod)
{ … }


static
CAM02COLOR CAT02toXYZ(CAM02COLOR clr)
{ … }


cmsHANDLE  CMSEXPORT cmsCIECAM02Init(cmsContext ContextID, const cmsViewingConditions* pVC)
{ … }

void CMSEXPORT cmsCIECAM02Done(cmsHANDLE hModel)
{ … }


void CMSEXPORT cmsCIECAM02Forward(cmsHANDLE hModel, const cmsCIEXYZ* pIn, cmsJCh* pOut)
{ … }

void CMSEXPORT cmsCIECAM02Reverse(cmsHANDLE hModel, const cmsJCh* pIn, cmsCIEXYZ* pOut)
{ … }