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RawTherapee/rtengine/improcfun.cc

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/*
* This file is part of RawTherapee.
*
* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
*
* RawTherapee is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* RawTherapee is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with RawTherapee. If not, see <https://www.gnu.org/licenses/>.
*/
#include <cmath>
#include <glib.h>
#include <glibmm/ustring.h>
#ifdef _OPENMP
#include <omp.h>
#endif
#include "alignedbuffer.h"
#include "calc_distort.h"
#include "ciecam02.h"
#include "cieimage.h"
#include "clutstore.h"
#include "color.h"
#include "curves.h"
#include "dcp.h"
#include "EdgePreservingDecomposition.h"
#include "iccmatrices.h"
#include "iccstore.h"
#include "imagesource.h"
#include "improccoordinator.h"
#include "improcfun.h"
#include "labimage.h"
#include "procparams.h"
#include "rt_math.h"
#include "rtengine.h"
#include "rtthumbnail.h"
#include "satandvalueblendingcurve.h"
#include "StopWatch.h"
#include "utils.h"
#include "../rtgui/editcallbacks.h"
#ifdef _DEBUG
#include "mytime.h"
#endif
#undef CLIPD
#define CLIPD(a) ((a)>0.0f?((a)<1.0f?(a):1.0f):0.0f)
namespace {
using namespace rtengine;
// begin of helper function for rgbProc()
void shadowToneCurve(const LUTf &shtonecurve, float *rtemp, float *gtemp, float *btemp, int istart, int tH, int jstart, int tW, int tileSize)
{
#if defined( __SSE2__ ) && defined( __x86_64__ )
vfloat cr = F2V(0.299f);
vfloat cg = F2V(0.587f);
vfloat cb = F2V(0.114f);
#endif
for (int i = istart, ti = 0; i < tH; i++, ti++) {
int j = jstart, tj = 0;
#if defined( __SSE2__ ) && defined( __x86_64__ )
for (; j < tW - 3; j += 4, tj += 4) {
vfloat rv = LVF(rtemp[ti * tileSize + tj]);
vfloat gv = LVF(gtemp[ti * tileSize + tj]);
vfloat bv = LVF(btemp[ti * tileSize + tj]);
//shadow tone curve
vfloat Yv = cr * rv + cg * gv + cb * bv;
vfloat tonefactorv = shtonecurve[Yv];
STVF(rtemp[ti * tileSize + tj], rv * tonefactorv);
STVF(gtemp[ti * tileSize + tj], gv * tonefactorv);
STVF(btemp[ti * tileSize + tj], bv * tonefactorv);
}
#endif
for (; j < tW; j++, tj++) {
float r = rtemp[ti * tileSize + tj];
float g = gtemp[ti * tileSize + tj];
float b = btemp[ti * tileSize + tj];
//shadow tone curve
float Y = (0.299f * r + 0.587f * g + 0.114f * b);
float tonefactor = shtonecurve[Y];
rtemp[ti * tileSize + tj] = rtemp[ti * tileSize + tj] * tonefactor;
gtemp[ti * tileSize + tj] = gtemp[ti * tileSize + tj] * tonefactor;
btemp[ti * tileSize + tj] = btemp[ti * tileSize + tj] * tonefactor;
}
}
}
void highlightToneCurve(const LUTf &hltonecurve, float *rtemp, float *gtemp, float *btemp, int istart, int tH, int jstart, int tW, int tileSize, float exp_scale, float comp, float hlrange)
{
#if defined( __SSE2__ ) && defined( __x86_64__ )
vfloat threev = F2V(3.f);
vfloat maxvalfv = F2V(MAXVALF);
#endif
for (int i = istart, ti = 0; i < tH; i++, ti++) {
int j = jstart, tj = 0;
#if defined( __SSE2__ ) && defined( __x86_64__ )
for (; j < tW - 3; j += 4, tj += 4) {
vfloat rv = LVF(rtemp[ti * tileSize + tj]);
vfloat gv = LVF(gtemp[ti * tileSize + tj]);
vfloat bv = LVF(btemp[ti * tileSize + tj]);
//TODO: proper treatment of out-of-gamut colors
//float tonefactor = hltonecurve[(0.299f*r+0.587f*g+0.114f*b)];
vmask maxMask = vmaskf_ge(vmaxf(rv, vmaxf(gv, bv)), maxvalfv);
if (_mm_movemask_ps((vfloat)maxMask)) {
for (int k = 0; k < 4; ++k) {
float r = rtemp[ti * tileSize + tj + k];
float g = gtemp[ti * tileSize + tj + k];
float b = btemp[ti * tileSize + tj + k];
float tonefactor = ((r < MAXVALF ? hltonecurve[r] : CurveFactory::hlcurve(exp_scale, comp, hlrange, r)) +
(g < MAXVALF ? hltonecurve[g] : CurveFactory::hlcurve(exp_scale, comp, hlrange, g)) +
(b < MAXVALF ? hltonecurve[b] : CurveFactory::hlcurve(exp_scale, comp, hlrange, b))) / 3.0;
// note: tonefactor includes exposure scaling, that is here exposure slider and highlight compression takes place
rtemp[ti * tileSize + tj + k] = r * tonefactor;
gtemp[ti * tileSize + tj + k] = g * tonefactor;
btemp[ti * tileSize + tj + k] = b * tonefactor;
}
} else {
vfloat tonefactorv = (hltonecurve.cb(rv) + hltonecurve.cb(gv) + hltonecurve.cb(bv)) / threev;
// note: tonefactor includes exposure scaling, that is here exposure slider and highlight compression takes place
STVF(rtemp[ti * tileSize + tj], rv * tonefactorv);
STVF(gtemp[ti * tileSize + tj], gv * tonefactorv);
STVF(btemp[ti * tileSize + tj], bv * tonefactorv);
}
}
#endif
for (; j < tW; j++, tj++) {
float r = rtemp[ti * tileSize + tj];
float g = gtemp[ti * tileSize + tj];
float b = btemp[ti * tileSize + tj];
//TODO: proper treatment of out-of-gamut colors
//float tonefactor = hltonecurve[(0.299f*r+0.587f*g+0.114f*b)];
float tonefactor = ((r < MAXVALF ? hltonecurve[r] : CurveFactory::hlcurve(exp_scale, comp, hlrange, r)) +
(g < MAXVALF ? hltonecurve[g] : CurveFactory::hlcurve(exp_scale, comp, hlrange, g)) +
(b < MAXVALF ? hltonecurve[b] : CurveFactory::hlcurve(exp_scale, comp, hlrange, b))) / 3.0;
// note: tonefactor includes exposure scaling, that is here exposure slider and highlight compression takes place
rtemp[ti * tileSize + tj] = r * tonefactor;
gtemp[ti * tileSize + tj] = g * tonefactor;
btemp[ti * tileSize + tj] = b * tonefactor;
}
}
}
void proPhotoBlue(float *rtemp, float *gtemp, float *btemp, int istart, int tH, int jstart, int tW, int tileSize) {
// this is a hack to avoid the blue=>black bug (Issue 2141)
for (int i = istart, ti = 0; i < tH; i++, ti++) {
int j = jstart, tj = 0;
#ifdef __SSE2__
for (; j < tW - 3; j+=4, tj+=4) {
vfloat rv = LVF(rtemp[ti * tileSize + tj]);
vfloat gv = LVF(gtemp[ti * tileSize + tj]);
vmask zeromask = vorm(vmaskf_eq(rv, ZEROV), vmaskf_eq(gv, ZEROV));
if(_mm_movemask_ps((vfloat)zeromask)) {
for (int k = 0; k < 4; ++k) {
float r = rtemp[ti * tileSize + tj + k];
float g = gtemp[ti * tileSize + tj + k];
float b = btemp[ti * tileSize + tj + k];
if ((r == 0.0f || g == 0.0f) && rtengine::min(r, g, b) >= 0.f) {
float h, s, v;
Color::rgb2hsv (r, g, b, h, s, v);
s *= 0.99f;
Color::hsv2rgb (h, s, v, rtemp[ti * tileSize + tj + k], gtemp[ti * tileSize + tj + k], btemp[ti * tileSize + tj + k]);
}
}
}
}
#endif
for (; j < tW; j++, tj++) {
float r = rtemp[ti * tileSize + tj];
float g = gtemp[ti * tileSize + tj];
float b = btemp[ti * tileSize + tj];
if ((r == 0.0f || g == 0.0f) && rtengine::min(r, g, b) >= 0.f) {
float h, s, v;
Color::rgb2hsv (r, g, b, h, s, v);
s *= 0.99f;
Color::hsv2rgb (h, s, v, rtemp[ti * tileSize + tj], gtemp[ti * tileSize + tj], btemp[ti * tileSize + tj]);
}
}
}
}
void customToneCurve(const ToneCurve &customToneCurve, ToneCurveMode curveMode, float *rtemp, float *gtemp, float *btemp, int istart, int tH, int jstart, int tW, int tileSize, PerceptualToneCurveState ptcApplyState) {
if (curveMode == ToneCurveMode::STD) { // Standard
const StandardToneCurve& userToneCurve = static_cast<const StandardToneCurve&> (customToneCurve);
for (int i = istart, ti = 0; i < tH; i++, ti++) {
userToneCurve.BatchApply(0, tW - jstart, &rtemp[ti * tileSize], &gtemp[ti * tileSize], &btemp[ti * tileSize]);
}
} else if (curveMode == ToneCurveMode::FILMLIKE) { // Adobe like
const AdobeToneCurve& userToneCurve = static_cast<const AdobeToneCurve&> (customToneCurve);
for (int i = istart, ti = 0; i < tH; i++, ti++) {
userToneCurve.BatchApply(0, tW - jstart, &rtemp[ti * tileSize], &gtemp[ti * tileSize], &btemp[ti * tileSize]);
}
} else if (curveMode == ToneCurveMode::SATANDVALBLENDING) { // apply the curve on the saturation and value channels
const SatAndValueBlendingToneCurve& userToneCurve = static_cast<const SatAndValueBlendingToneCurve&> (customToneCurve);
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
userToneCurve.Apply(rtemp[ti * tileSize + tj], gtemp[ti * tileSize + tj], btemp[ti * tileSize + tj]);
}
}
} else if (curveMode == ToneCurveMode::WEIGHTEDSTD) { // apply the curve to the rgb channels, weighted
const WeightedStdToneCurve& userToneCurve = static_cast<const WeightedStdToneCurve&> (customToneCurve);
for (int i = istart, ti = 0; i < tH; i++, ti++) {
userToneCurve.BatchApply(0, tW - jstart, &rtemp[ti * tileSize], &gtemp[ti * tileSize], &btemp[ti * tileSize]);
}
} else if (curveMode == ToneCurveMode::LUMINANCE) { // apply the curve to the luminance channel
const LuminanceToneCurve& userToneCurve = static_cast<const LuminanceToneCurve&> (customToneCurve);
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
userToneCurve.Apply(rtemp[ti * tileSize + tj], gtemp[ti * tileSize + tj], btemp[ti * tileSize + tj]);
}
}
} else if (curveMode == ToneCurveMode::PERCEPTUAL) { // apply curve while keeping color appearance constant
const PerceptualToneCurve& userToneCurve = static_cast<const PerceptualToneCurve&> (customToneCurve);
for (int i = istart, ti = 0; i < tH; i++, ti++) {
userToneCurve.BatchApply(0, tW - jstart, &rtemp[ti * tileSize], &gtemp[ti * tileSize], &btemp[ti * tileSize], ptcApplyState);
}
}
}
void fillEditFloat(float *editIFloatTmpR, float *editIFloatTmpG, float *editIFloatTmpB, float *rtemp, float *gtemp, float *btemp, int istart, int tH, int jstart, int tW, int tileSize) {
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
editIFloatTmpR[ti * tileSize + tj] = Color::gamma2curve[rtemp[ti * tileSize + tj]] / 65535.f;
editIFloatTmpG[ti * tileSize + tj] = Color::gamma2curve[gtemp[ti * tileSize + tj]] / 65535.f;
editIFloatTmpB[ti * tileSize + tj] = Color::gamma2curve[btemp[ti * tileSize + tj]] / 65535.f;
}
}
}
// end of helper function for rgbProc()
}
namespace rtengine
{
using namespace procparams;
ImProcFunctions::~ImProcFunctions ()
{
if (monitorTransform) {
cmsDeleteTransform (monitorTransform);
}
}
void ImProcFunctions::setScale (double iscale)
{
scale = iscale;
}
void ImProcFunctions::updateColorProfiles (const Glib::ustring& monitorProfile, RenderingIntent monitorIntent, bool softProof, bool gamutCheck)
{
// set up monitor transform
if (monitorTransform) {
cmsDeleteTransform (monitorTransform);
}
gamutWarning.reset(nullptr);
monitorTransform = nullptr;
cmsHPROFILE monitor = nullptr;
if (!monitorProfile.empty()) {
#if !defined(__APPLE__) // No support for monitor profiles on OS X, all data is sRGB
monitor = ICCStore::getInstance()->getProfile (monitorProfile);
#else
monitor = ICCStore::getInstance()->getProfile (settings->srgb);
#endif
}
if (monitor) {
MyMutex::MyLock lcmsLock (*lcmsMutex);
cmsUInt32Number flags;
cmsHPROFILE iprof = cmsCreateLab4Profile (nullptr);
cmsHPROFILE gamutprof = nullptr;
cmsUInt32Number gamutbpc = 0;
RenderingIntent gamutintent = RI_RELATIVE;
bool softProofCreated = false;
if (softProof) {
cmsHPROFILE oprof = nullptr;
RenderingIntent outIntent;
flags = cmsFLAGS_SOFTPROOFING | cmsFLAGS_NOOPTIMIZE | cmsFLAGS_NOCACHE;
if (!settings->printerProfile.empty()) {
oprof = ICCStore::getInstance()->getProfile (settings->printerProfile);
if (settings->printerBPC) {
flags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
}
outIntent = RenderingIntent(settings->printerIntent);
} else {
oprof = ICCStore::getInstance()->getProfile(params->icm.outputProfile);
if (params->icm.outputBPC) {
flags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
}
outIntent = params->icm.outputIntent;
}
if (oprof) {
// NOCACHE is for thread safety, NOOPTIMIZE for precision
// if (gamutCheck) {
// flags |= cmsFLAGS_GAMUTCHECK;
// }
const auto make_gamma_table =
[](cmsHPROFILE prof, cmsTagSignature tag) -> void
{
cmsToneCurve *tc = static_cast<cmsToneCurve *>(cmsReadTag(prof, tag));
if (tc) {
const cmsUInt16Number *table = cmsGetToneCurveEstimatedTable(tc);
cmsToneCurve *tc16 = cmsBuildTabulatedToneCurve16(nullptr, cmsGetToneCurveEstimatedTableEntries(tc), table);
if (tc16) {
cmsWriteTag(prof, tag, tc16);
cmsFreeToneCurve(tc16);
}
}
};
cmsHPROFILE softproof = ProfileContent(oprof).toProfile();
if (softproof) {
make_gamma_table(softproof, cmsSigRedTRCTag);
make_gamma_table(softproof, cmsSigGreenTRCTag);
make_gamma_table(softproof, cmsSigBlueTRCTag);
}
monitorTransform = cmsCreateProofingTransform (
iprof, TYPE_Lab_FLT,
monitor, TYPE_RGB_FLT,
softproof, //oprof,
monitorIntent, outIntent,
flags
);
if (softproof) {
cmsCloseProfile(softproof);
}
if (monitorTransform) {
softProofCreated = true;
}
if (gamutCheck) {
gamutprof = oprof;
if (params->icm.outputBPC) {
gamutbpc = cmsFLAGS_BLACKPOINTCOMPENSATION;
}
gamutintent = outIntent;
}
}
} else if (gamutCheck) {
// flags = cmsFLAGS_GAMUTCHECK | cmsFLAGS_NOOPTIMIZE | cmsFLAGS_NOCACHE;
// if (settings->monitorBPC) {
// flags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
// }
// monitorTransform = cmsCreateProofingTransform(iprof, TYPE_Lab_FLT, monitor, TYPE_RGB_8, monitor, monitorIntent, monitorIntent, flags);
// if (monitorTransform) {
// softProofCreated = true;
// }
gamutprof = monitor;
if (settings->monitorBPC) {
gamutbpc = cmsFLAGS_BLACKPOINTCOMPENSATION;
}
gamutintent = monitorIntent;
}
if (!softProofCreated) {
flags = cmsFLAGS_NOOPTIMIZE | cmsFLAGS_NOCACHE;
if (settings->monitorBPC) {
flags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
}
monitorTransform = cmsCreateTransform (iprof, TYPE_Lab_FLT, monitor, TYPE_RGB_FLT, monitorIntent, flags);
}
if (gamutCheck && gamutprof) {
gamutWarning.reset(new GamutWarning(iprof, gamutprof, gamutintent, gamutbpc));
}
cmsCloseProfile (iprof);
}
}
void ImProcFunctions::firstAnalysis (const Imagefloat* const original, const ProcParams &params, LUTu & histogram)
{
TMatrix wprof = ICCStore::getInstance()->workingSpaceMatrix (params.icm.workingProfile);
lumimul[0] = wprof[1][0];
lumimul[1] = wprof[1][1];
lumimul[2] = wprof[1][2];
int W = original->getWidth();
int H = original->getHeight();
float lumimulf[3] = {static_cast<float> (lumimul[0]), static_cast<float> (lumimul[1]), static_cast<float> (lumimul[2])};
// calculate histogram of the y channel needed for contrast curve calculation in exposure adjustments
histogram.clear();
if (multiThread) {
#ifdef _OPENMP
const int numThreads = min (max (W * H / (int)histogram.getSize(), 1), omp_get_max_threads());
#pragma omp parallel num_threads(numThreads) if(numThreads>1)
#endif
{
LUTu hist (histogram.getSize());
hist.clear();
#ifdef _OPENMP
#pragma omp for nowait
#endif
for (int i = 0; i < H; i++) {
for (int j = 0; j < W; j++) {
float r = original->r (i, j);
float g = original->g (i, j);
float b = original->b (i, j);
int y = (lumimulf[0] * r + lumimulf[1] * g + lumimulf[2] * b);
hist[y]++;
}
}
#ifdef _OPENMP
#pragma omp critical
#endif
histogram += hist;
}
#ifdef _OPENMP
static_cast<void> (numThreads); // to silence cppcheck warning
#endif
} else {
for (int i = 0; i < H; i++) {
for (int j = 0; j < W; j++) {
float r = original->r (i, j);
float g = original->g (i, j);
float b = original->b (i, j);
int y = (lumimulf[0] * r + lumimulf[1] * g + lumimulf[2] * b);
histogram[y]++;
}
}
}
}
// Copyright (c) 2012 Jacques Desmis <jdesmis@gmail.com>
void ImProcFunctions::ciecam_02float (CieImage* ncie, float adap, int pW, int pwb, LabImage* lab, const ProcParams* params,
const ColorAppearance & customColCurve1, const ColorAppearance & customColCurve2, const ColorAppearance & customColCurve3,
LUTu & histLCAM, LUTu & histCCAM, LUTf & CAMBrightCurveJ, LUTf & CAMBrightCurveQ, float &mean, int Iterates, int scale, bool execsharp, float &d, float &dj, float &yb, int rtt,
bool showSharpMask)
{
if (params->colorappearance.enabled) {
#ifdef _DEBUG
MyTime t1e, t2e;
t1e.set();
#endif
//preparate for histograms CIECAM
LUTu hist16JCAM;
LUTu hist16_CCAM;
if (pW != 1 && params->colorappearance.datacie) { //only with improccoordinator
hist16JCAM (32768);
hist16JCAM.clear();
hist16_CCAM (48000);
hist16_CCAM.clear();
}
//end preparate histogram
int width = lab->W, height = lab->H;
float minQ = 10000.f;
float maxQ = -1000.f;
float Yw;
Yw = 1.0;
double Xw, Zw;
float f = 0.f, nc = 0.f, la, c = 0.f, xw, yw, zw, f2 = 1.f, c2 = 1.f, nc2 = 1.f, yb2;
float fl, n, nbb, ncb, aw; //d
float xwd, ywd, zwd, xws, yws, zws;
int alg = 0;
bool algepd = false;
double Xwout, Zwout;
double Xwsc, Zwsc;
const bool epdEnabled = params->epd.enabled;
bool ciedata = (params->colorappearance.datacie && pW != 1) && ! ((params->colorappearance.tonecie && (epdEnabled)) || (params->sharpening.enabled && settings->autocielab && execsharp)
|| (params->dirpyrequalizer.enabled && settings->autocielab) || (params->defringe.enabled && settings->autocielab) || (params->sharpenMicro.enabled && settings->autocielab)
|| (params->impulseDenoise.enabled && settings->autocielab) || (params->colorappearance.badpixsl > 0 && settings->autocielab));
ColorTemp::temp2mulxyz (params->wb.temperature, params->wb.method, Xw, Zw); //compute white Xw Yw Zw : white current WB
ColorTemp::temp2mulxyz (params->colorappearance.tempout, "Custom", Xwout, Zwout);
ColorTemp::temp2mulxyz (params->colorappearance.tempsc, "Custom", Xwsc, Zwsc);
//viewing condition for surrsrc
if (params->colorappearance.surrsrc == "Average") {
f = 1.00f;
c = 0.69f;
nc = 1.00f;
} else if (params->colorappearance.surrsrc == "Dim") {
f = 0.9f;
c = 0.59f;
nc = 0.9f;
} else if (params->colorappearance.surrsrc == "Dark") {
f = 0.8f;
c = 0.525f;
nc = 0.8f;
} else if (params->colorappearance.surrsrc == "ExtremelyDark") {
f = 0.8f;
c = 0.41f;
nc = 0.8f;
}
//viewing condition for surround
if (params->colorappearance.surround == "Average") {
f2 = 1.0f, c2 = 0.69f, nc2 = 1.0f;
} else if (params->colorappearance.surround == "Dim") {
f2 = 0.9f;
c2 = 0.59f;
nc2 = 0.9f;
} else if (params->colorappearance.surround == "Dark") {
f2 = 0.8f;
c2 = 0.525f;
nc2 = 0.8f;
} else if (params->colorappearance.surround == "ExtremelyDark") {
f2 = 0.8f;
c2 = 0.41f;
nc2 = 0.8f;
}
/*
//scene condition for surround
if (params->colorappearance.surrsource) {
f = 0.85f; // if user => source image has surround very dark
c = 0.55f;
nc = 0.85f;
}
*/
//with which algorithm
if (params->colorappearance.algo == "JC") {
alg = 0;
} else if (params->colorappearance.algo == "JS") {
alg = 1;
} else if (params->colorappearance.algo == "QM") {
alg = 2;
algepd = true;
} else { /*if(params->colorappearance.algo == "ALL")*/
alg = 3;
algepd = true;
}
xwd = 100.f * Xwout;
zwd = 100.f * Zwout;
ywd = 100.f / params->colorappearance.greenout;//approximation to simplify
xws = 100.f * Xwsc;
zws = 100.f * Zwsc;
yws = 100.f / params->colorappearance.greensc;//approximation to simplify
/*
//settings white point of output device - or illuminant viewing
if (settings->viewingdevice == 0) {
xwd = 96.42f; //5000K
ywd = 100.0f;
zwd = 82.52f;
} else if (settings->viewingdevice == 1) {
xwd = 95.68f; //5500
ywd = 100.0f;
zwd = 92.15f;
} else if (settings->viewingdevice == 2) {
xwd = 95.24f; //6000
ywd = 100.0f;
zwd = 100.81f;
} else if (settings->viewingdevice == 3) {
xwd = 95.04f; //6500
ywd = 100.0f;
zwd = 108.88f;
} else if (settings->viewingdevice == 4) {
xwd = 109.85f; //tungsten
ywd = 100.0f;
zwd = 35.58f;
} else if (settings->viewingdevice == 5) {
xwd = 99.18f; //fluo F2
ywd = 100.0f;
zwd = 67.39f;
} else if (settings->viewingdevice == 6) {
xwd = 95.04f; //fluo F7
ywd = 100.0f;
zwd = 108.75f;
} else {
xwd = 100.96f; //fluo F11
ywd = 100.0f;
zwd = 64.35f;
}
*/
yb2 = params->colorappearance.ybout;
/*
//settings mean Luminance Y of output device or viewing
if (settings->viewingdevicegrey == 0) {
yb2 = 5.0f;
} else if (settings->viewingdevicegrey == 1) {
yb2 = 10.0f;
} else if (settings->viewingdevicegrey == 2) {
yb2 = 15.0f;
} else if (settings->viewingdevicegrey == 3) {
yb2 = 18.0f;
} else if (settings->viewingdevicegrey == 4) {
yb2 = 23.0f;
} else if (settings->viewingdevicegrey == 5) {
yb2 = 30.0f;
} else {
yb2 = 40.0f;
}
*/
//La and la2 = ambiant luminosity scene and viewing
la = float (params->colorappearance.adapscen);
if (pwb == 2) {
if (params->colorappearance.autoadapscen) {
la = adap;
}
}
/*
if (alg >= 2 && la < 200.f) {
la = 200.f;
}
*/
const float la2 = float (params->colorappearance.adaplum);
// level of adaptation
const float deg = (params->colorappearance.degree) / 100.0f;
const float pilot = params->colorappearance.autodegree ? 2.0f : deg;
const float degout = (params->colorappearance.degreeout) / 100.0f;
const float pilotout = params->colorappearance.autodegreeout ? 2.0f : degout;
//algoritm's params
float chr = 0.f;
if (alg == 0 || alg == 3) {
chr = params->colorappearance.chroma;
if (chr == -100.0f) {
chr = -99.8f;
}
}
float schr = 0.f;
if (alg == 3 || alg == 1) {
schr = params->colorappearance.schroma;
if (schr > 0.0) {
schr = schr / 2.0f; //divide sensibility for saturation
}
if (alg == 3) {
if (schr == -100.0f) {
schr = -99.f;
}
if (schr == 100.0f) {
schr = 98.f;
}
} else {
if (schr == -100.0f) {
schr = -99.8f;
}
}
}
float mchr = 0.f;
if (alg == 3 || alg == 2) {
mchr = params->colorappearance.mchroma;
if (mchr == -100.0f) {
mchr = -99.8f ;
}
if (mchr == 100.0f) {
mchr = 99.9f;
}
}
const float hue = params->colorappearance.colorh;
const float rstprotection = 100. - params->colorappearance.rstprotection;
// extracting data from 'params' to avoid cache flush (to be confirmed)
const ColorAppearanceParams::TcMode curveMode = params->colorappearance.curveMode;
const bool hasColCurve1 = bool (customColCurve1);
const bool t1L = hasColCurve1 && curveMode == ColorAppearanceParams::TcMode::LIGHT;
const ColorAppearanceParams::TcMode curveMode2 = params->colorappearance.curveMode2;
const bool hasColCurve2 = bool (customColCurve2);
const ColorAppearanceParams::CtcMode curveMode3 = params->colorappearance.curveMode3;
const bool hasColCurve3 = bool (customColCurve3);
bool needJ = (alg == 0 || alg == 1 || alg == 3);
bool needQ = (alg == 2 || alg == 3);
LUTu hist16J;
LUTu hist16Q;
if ((needJ && CAMBrightCurveJ.dirty) || (needQ && CAMBrightCurveQ.dirty) || (std::isnan (mean) && settings->viewinggreySc != 0)) {
if (needJ) {
hist16J (32768);
hist16J.clear();
}
if (needQ) {
hist16Q (32768);
hist16Q.clear();
}
double sum = 0.0; // use double precision for large summations
#ifdef _OPENMP
const int numThreads = min (max (width * height / 65536, 1), omp_get_max_threads());
#pragma omp parallel num_threads(numThreads) if(numThreads>1)
#endif
{
LUTu hist16Jthr;
LUTu hist16Qthr;
if (needJ) {
hist16Jthr (hist16J.getSize());
hist16Jthr.clear();
}
if (needQ) {
hist16Qthr (hist16Q.getSize());
hist16Qthr.clear();
}
#ifdef _OPENMP
#pragma omp for reduction(+:sum)
#endif
for (int i = 0; i < height; i++)
for (int j = 0; j < width; j++) { //rough correspondence between L and J
float currL = lab->L[i][j] / 327.68f;
float koef; //rough correspondence between L and J
if (currL > 50.f) {
if (currL > 70.f) {
if (currL > 80.f) {
if (currL > 85.f) {
koef = 0.97f;
} else {
koef = 0.93f;
}
} else {
koef = 0.87f;
}
} else {
if (currL > 60.f) {
koef = 0.85f;
} else {
koef = 0.8f;
}
}
} else {
if (currL > 10.f) {
if (currL > 20.f) {
if (currL > 40.f) {
koef = 0.75f;
} else {
koef = 0.7f;
}
} else {
koef = 0.9f;
}
} else {
koef = 1.0;
}
}
if (needJ) {
hist16Jthr[ (int) ((koef * lab->L[i][j]))]++; //evaluate histogram luminance L # J
}
//estimation of wh only with La
/*
float whestim = 500.f;
if (la < 200.f) {
whestim = 200.f;
} else if (la < 2500.f) {
whestim = 350.f;
} else {
whestim = 500.f;
}
*/
if (needQ) {
hist16Qthr[CLIP ((int) (32768.f * sqrt ((koef * (lab->L[i][j])) / 32768.f)))]++; //for brightness Q : approximation for Q=wh*sqrt(J/100) J not equal L
//perhaps needs to introduce whestim ??
//hist16Qthr[ (int) (sqrtf ((koef * (lab->L[i][j])) * 32768.f))]++; //for brightness Q : approximation for Q=wh*sqrt(J/100) J not equal L
}
sum += koef * lab->L[i][j]; //evaluate mean J to calculate Yb
//sumQ += whestim * sqrt ((koef * (lab->L[i][j])) / 32768.f);
//can be used in case of...
}
#ifdef _OPENMP
#pragma omp critical
#endif
{
if (needJ) {
hist16J += hist16Jthr;
}
if (needQ) {
hist16Q += hist16Qthr;
}
}
if (std::isnan (mean)) {
mean = (sum / ((height) * width)) / 327.68f; //for Yb for all image...if one day "pipette" we can adapt Yb for each zone
}
}
#ifdef _OPENMP
static_cast<void>(numThreads); // to silence cppcheck warning
#endif
//evaluate lightness, contrast
}
// if (settings->viewinggreySc == 0) { //auto
if (params->colorappearance.autoybscen && pwb == 2) {//auto
if (mean < 15.f) {
yb = 3.0f;
} else if (mean < 30.f) {
yb = 5.0f;
} else if (mean < 40.f) {
yb = 10.0f;
} else if (mean < 45.f) {
yb = 15.0f;
} else if (mean < 50.f) {
yb = 18.0f;
} else if (mean < 55.f) {
yb = 23.0f;
} else if (mean < 60.f) {
yb = 30.0f;
} else if (mean < 70.f) {
yb = 40.0f;
} else if (mean < 80.f) {
yb = 60.0f;
} else if (mean < 90.f) {
yb = 80.0f;
} else {
yb = 90.0f;
}
// } else if (settings->viewinggreySc == 1) {
} else {
yb = (float) params->colorappearance.ybscen;
}
const bool highlight = params->toneCurve.hrenabled; //Get the value if "highlight reconstruction" is activated
const int gamu = (params->colorappearance.gamut) ? 1 : 0;
xw = 100.0f * Xw;
yw = 100.0f * Yw;
zw = 100.0f * Zw;
float xw1 = 0.f, yw1 = 0.f, zw1 = 0.f, xw2 = 0.f, yw2 = 0.f, zw2 = 0.f;
// settings of WB: scene and viewing
if (params->colorappearance.wbmodel == "RawT") {
xw1 = 96.46f; //use RT WB; CAT 02 is used for output device (see prefreneces)
yw1 = 100.0f;
zw1 = 82.445f;
xw2 = xwd;
yw2 = ywd;
zw2 = zwd;
} else if (params->colorappearance.wbmodel == "RawTCAT02") {
xw1 = xw; // Settings RT WB are used for CAT02 => mix , CAT02 is use for output device (screen: D50 D65, projector: lamp, LED) see preferences
yw1 = yw;
zw1 = zw;
xw2 = xwd;
yw2 = ywd;
zw2 = zwd;
} else if (params->colorappearance.wbmodel == "free") {
xw1 = xws; // free temp and green
yw1 = yws;
zw1 = zws;
xw2 = xwd;
yw2 = ywd;
zw2 = zwd;
}
float cz, wh, pfl;
Ciecam02::initcam1float (yb, pilot, f, la, xw, yw, zw, n, d, nbb, ncb, cz, aw, wh, pfl, fl, c);
//printf ("wh=%f \n", wh);
const float pow1 = pow_F ( 1.64f - pow_F ( 0.29f, n ), 0.73f );
float nj, nbbj, ncbj, czj, awj, flj;
Ciecam02::initcam2float (yb2, pilotout, f2, la2, xw2, yw2, zw2, nj, dj, nbbj, ncbj, czj, awj, flj);
#ifdef __SSE2__
const float reccmcz = 1.f / (c2 * czj);
#endif
const float pow1n = pow_F ( 1.64f - pow_F ( 0.29f, nj ), 0.73f );
const float epsil = 0.0001f;
const float coefQ = 32767.f / wh;
const float a_w = aw;
const float c_ = c;
const float f_l = fl;
const float coe = pow_F (fl, 0.25f);
const float QproFactor = ( 0.4f / c ) * ( aw + 4.0f ) ;
const bool LabPassOne = ! ((params->colorappearance.tonecie && (epdEnabled)) || (params->sharpening.enabled && settings->autocielab && execsharp)
|| (params->dirpyrequalizer.enabled && settings->autocielab) || (params->defringe.enabled && settings->autocielab) || (params->sharpenMicro.enabled && settings->autocielab)
|| (params->impulseDenoise.enabled && settings->autocielab) || (params->colorappearance.badpixsl > 0 && settings->autocielab));
//printf("coQ=%f\n", coefQ);
if (needJ) {
if (!CAMBrightCurveJ) {
CAMBrightCurveJ (32768, LUT_CLIP_ABOVE);
}
if (CAMBrightCurveJ.dirty) {
Ciecam02::curveJfloat (params->colorappearance.jlight, params->colorappearance.contrast, hist16J, CAMBrightCurveJ);//lightness and contrast J
CAMBrightCurveJ /= 327.68f;
CAMBrightCurveJ.dirty = false;
}
}
if (needQ) {
if (!CAMBrightCurveQ) {
CAMBrightCurveQ (32768, LUT_CLIP_ABOVE);
}
if (CAMBrightCurveQ.dirty) {
Ciecam02::curveJfloat (params->colorappearance.qbright, params->colorappearance.qcontrast, hist16Q, CAMBrightCurveQ);//brightness and contrast Q
// CAMBrightCurveQ /= coefQ;
CAMBrightCurveQ.dirty = false;
}
}
//matrix for current working space
TMatrix wiprof = ICCStore::getInstance()->workingSpaceInverseMatrix (params->icm.workingProfile);
const float wip[3][3] = {
{ (float)wiprof[0][0], (float)wiprof[0][1], (float)wiprof[0][2]},
{ (float)wiprof[1][0], (float)wiprof[1][1], (float)wiprof[1][2]},
{ (float)wiprof[2][0], (float)wiprof[2][1], (float)wiprof[2][2]}
};
#ifdef __SSE2__
int bufferLength = ((width + 3) / 4) * 4; // bufferLength has to be a multiple of 4
#endif
#ifndef _DEBUG
#ifdef _OPENMP
#pragma omp parallel
#endif
#endif
{
float minQThr = 10000.f;
float maxQThr = -1000.f;
#ifdef __SSE2__
// one line buffer per channel and thread
float Jbuffer[bufferLength] ALIGNED16;
float Cbuffer[bufferLength] ALIGNED16;
float hbuffer[bufferLength] ALIGNED16;
float Qbuffer[bufferLength] ALIGNED16;
float Mbuffer[bufferLength] ALIGNED16;
float sbuffer[bufferLength] ALIGNED16;
#endif
#ifndef _DEBUG
#ifdef _OPENMP
#pragma omp for schedule(dynamic, 16)
#endif
#endif
for (int i = 0; i < height; i++) {
#ifdef __SSE2__
// vectorized conversion from Lab to jchqms
int k;
vfloat x, y, z;
vfloat J, C, h, Q, M, s;
vfloat c655d35 = F2V (655.35f);
for (k = 0; k < width - 3; k += 4) {
Color::Lab2XYZ (LVFU (lab->L[i][k]), LVFU (lab->a[i][k]), LVFU (lab->b[i][k]), x, y, z);
x = x / c655d35;
y = y / c655d35;
z = z / c655d35;
Ciecam02::xyz2jchqms_ciecam02float ( J, C, h,
Q, M, s, F2V (aw), F2V (fl), F2V (wh),
x, y, z,
F2V (xw1), F2V (yw1), F2V (zw1),
F2V (c), F2V (nc), F2V (pow1), F2V (nbb), F2V (ncb), F2V (pfl), F2V (cz), F2V (d));
STVF (Jbuffer[k], J);
STVF (Cbuffer[k], C);
STVF (hbuffer[k], h);
STVF (Qbuffer[k], Q);
STVF (Mbuffer[k], M);
STVF (sbuffer[k], s);
}
for (; k < width; k++) {
float L = lab->L[i][k];
float a = lab->a[i][k];
float b = lab->b[i][k];
float x, y, z;
//convert Lab => XYZ
Color::Lab2XYZ (L, a, b, x, y, z);
x = x / 655.35f;
y = y / 655.35f;
z = z / 655.35f;
float J, C, h, Q, M, s;
Ciecam02::xyz2jchqms_ciecam02float ( J, C, h,
Q, M, s, aw, fl, wh,
x, y, z,
xw1, yw1, zw1,
c, nc, pow1, nbb, ncb, pfl, cz, d);
Jbuffer[k] = J;
Cbuffer[k] = C;
hbuffer[k] = h;
Qbuffer[k] = Q;
Mbuffer[k] = M;
sbuffer[k] = s;
}
#endif // __SSE2__
for (int j = 0; j < width; j++) {
float J, C, h, Q, M, s;
#ifdef __SSE2__
// use precomputed values from above
J = Jbuffer[j];
C = Cbuffer[j];
h = hbuffer[j];
Q = Qbuffer[j];
M = Mbuffer[j];
s = sbuffer[j];
#else
float x, y, z;
float L = lab->L[i][j];
float a = lab->a[i][j];
float b = lab->b[i][j];
float x1, y1, z1;
//convert Lab => XYZ
Color::Lab2XYZ (L, a, b, x1, y1, z1);
x = (float)x1 / 655.35f;
y = (float)y1 / 655.35f;
z = (float)z1 / 655.35f;
//process source==> normal
Ciecam02::xyz2jchqms_ciecam02float ( J, C, h,
Q, M, s, aw, fl, wh,
x, y, z,
xw1, yw1, zw1,
c, nc, pow1, nbb, ncb, pfl, cz, d);
#endif
float Jpro, Cpro, hpro, Qpro, Mpro, spro;
Jpro = J;
Cpro = C;
hpro = h;
Qpro = Q;
Mpro = M;
spro = s;
// we cannot have all algorithms with all chroma curves
if (alg == 0) {
Jpro = CAMBrightCurveJ[Jpro * 327.68f]; //lightness CIECAM02 + contrast
Qpro = QproFactor * sqrtf (Jpro);
float Cp = (spro * spro * Qpro) / (1000000.f);
Cpro = Cp * 100.f;
float sres;
Ciecam02::curvecolorfloat (chr, Cp, sres, 1.8f);
Color::skinredfloat (Jpro, hpro, sres, Cp, 55.f, 30.f, 1, rstprotection, 100.f, Cpro);
} else if (alg == 1) {
// Lightness saturation
Jpro = CAMBrightCurveJ[Jpro * 327.68f]; //lightness CIECAM02 + contrast
float sres;
float Sp = spro / 100.0f;
float parsat = 1.5f; //parsat=1.5 =>saturation ; 1.8 => chroma ; 2.5 => colorfullness (personal evaluation)
Ciecam02::curvecolorfloat (schr, Sp, sres, parsat);
float dred = 100.f; // in C mode
float protect_red = 80.0f; // in C mode
dred = 100.0f * sqrtf ((dred * coe) / Qpro);
protect_red = 100.0f * sqrtf ((protect_red * coe) / Qpro);
Color::skinredfloat (Jpro, hpro, sres, Sp, dred, protect_red, 0, rstprotection, 100.f, spro);
Qpro = QproFactor * sqrtf (Jpro);
Cpro = (spro * spro * Qpro) / (10000.0f);
} else if (alg == 2) {
//printf("Qp0=%f ", Qpro);
Qpro = CAMBrightCurveQ[ (float) (Qpro * coefQ)] / coefQ; //brightness and contrast
//printf("Qpaf=%f ", Qpro);
float Mp, sres;
Mp = Mpro / 100.0f;
Ciecam02::curvecolorfloat (mchr, Mp, sres, 2.5f);
float dred = 100.f; //in C mode
float protect_red = 80.0f; // in C mode
dred *= coe; //in M mode
protect_red *= coe; //M mode
Color::skinredfloat (Jpro, hpro, sres, Mp, dred, protect_red, 0, rstprotection, 100.f, Mpro);
Jpro = SQR ((10.f * Qpro) / wh);
Cpro = Mpro / coe;
Qpro = (Qpro == 0.f ? epsil : Qpro); // avoid division by zero
spro = 100.0f * sqrtf ( Mpro / Qpro );
} else { /*if(alg == 3) */
Qpro = CAMBrightCurveQ[ (float) (Qpro * coefQ)] / coefQ; //brightness and contrast
float Mp, sres;
Mp = Mpro / 100.0f;
Ciecam02::curvecolorfloat (mchr, Mp, sres, 2.5f);
float dred = 100.f; //in C mode
float protect_red = 80.0f; // in C mode
dred *= coe; //in M mode
protect_red *= coe; //M mode
Color::skinredfloat (Jpro, hpro, sres, Mp, dred, protect_red, 0, rstprotection, 100.f, Mpro);
Jpro = SQR ((10.f * Qpro) / wh);
Cpro = Mpro / coe;
Qpro = (Qpro == 0.f ? epsil : Qpro); // avoid division by zero
spro = 100.0f * sqrtf ( Mpro / Qpro );
if (Jpro > 99.9f) {
Jpro = 99.9f;
}
Jpro = CAMBrightCurveJ[ (float) (Jpro * 327.68f)]; //lightness CIECAM02 + contrast
float Sp = spro / 100.0f;
Ciecam02::curvecolorfloat (schr, Sp, sres, 1.5f);
dred = 100.f; // in C mode
protect_red = 80.0f; // in C mode
dred = 100.0f * sqrtf ((dred * coe) / Q);
protect_red = 100.0f * sqrtf ((protect_red * coe) / Q);
Color::skinredfloat (Jpro, hpro, sres, Sp, dred, protect_red, 0, rstprotection, 100.f, spro);
Qpro = QproFactor * sqrtf (Jpro);
float Cp = (spro * spro * Qpro) / (1000000.f);
Cpro = Cp * 100.f;
Ciecam02::curvecolorfloat (chr, Cp, sres, 1.8f);
Color::skinredfloat (Jpro, hpro, sres, Cp, 55.f, 30.f, 1, rstprotection, 100.f, Cpro);
// disabled this code, Issue 2690
// if(Jpro < 1.f && Cpro > 12.f) Cpro=12.f;//reduce artifacts by "pseudo gamut control CIECAM"
// else if(Jpro < 2.f && Cpro > 15.f) Cpro=15.f;
// else if(Jpro < 4.f && Cpro > 30.f) Cpro=30.f;
// else if(Jpro < 7.f && Cpro > 50.f) Cpro=50.f;
hpro = hpro + hue;
if ( hpro < 0.0f ) {
hpro += 360.0f; //hue
}
}
if (hasColCurve1) {//curve 1 with Lightness and Brightness
if (curveMode == ColorAppearanceParams::TcMode::LIGHT) {
float Jj = (float) Jpro * 327.68f;
float Jold = Jj;
float Jold100 = (float) Jpro;
float redu = 25.f;
float reduc = 1.f;
const Lightcurve& userColCurveJ1 = static_cast<const Lightcurve&> (customColCurve1);
userColCurveJ1.Apply (Jj);
if (Jj > Jold) {
if (Jj < 65535.f) {
if (Jold < 327.68f * redu) {
Jj = 0.3f * (Jj - Jold) + Jold; //divide sensibility
} else {
reduc = LIM ((100.f - Jold100) / (100.f - redu), 0.f, 1.f);
Jj = 0.3f * reduc * (Jj - Jold) + Jold; //reduct sensibility in highlights
}
}
} else if (Jj > 10.f) {
Jj = 0.8f * (Jj - Jold) + Jold;
} else if (Jj >= 0.f) {
Jj = 0.90f * (Jj - Jold) + Jold; // not zero ==>artifacts
}
Jpro = (float) (Jj / 327.68f);
if (Jpro < 1.f) {
Jpro = 1.f;
}
} else if (curveMode == ColorAppearanceParams::TcMode::BRIGHT) {
//attention! Brightness curves are open - unlike Lightness or Lab or RGB==> rendering and algorithms will be different
float coef = ((aw + 4.f) * (4.f / c)) / 100.f;
float Qanc = Qpro;
float Qq = (float) Qpro * 327.68f * (1.f / coef);
float Qold100 = (float) Qpro / coef;
float Qold = Qq;
float redu = 20.f;
float reduc = 1.f;
const Brightcurve& userColCurveB1 = static_cast<const Brightcurve&> (customColCurve1);
userColCurveB1.Apply (Qq);
if (Qq > Qold) {
if (Qq < 65535.f) {
if (Qold < 327.68f * redu) {
Qq = 0.25f * (Qq - Qold) + Qold; //divide sensibility
} else {
reduc = LIM ((100.f - Qold100) / (100.f - redu), 0.f, 1.f);
Qq = 0.25f * reduc * (Qq - Qold) + Qold; //reduct sensibility in highlights
}
}
} else if (Qq > 10.f) {
Qq = 0.5f * (Qq - Qold) + Qold;
} else if (Qq >= 0.f) {
Qq = 0.7f * (Qq - Qold) + Qold; // not zero ==>artifacts
}
if (Qold == 0.f) {
Qold = 0.001f;
}
Qpro = Qanc * (Qq / Qold);
Jpro = SQR ((10.f * Qpro) / wh);
if (Jpro < 1.f) {
Jpro = 1.f;
}
}
}
if (hasColCurve2) {//curve 2 with Lightness and Brightness
if (curveMode2 == ColorAppearanceParams::TcMode::LIGHT) {
float Jj = (float) Jpro * 327.68f;
float Jold = Jj;
float Jold100 = (float) Jpro;
float redu = 25.f;
float reduc = 1.f;
const Lightcurve& userColCurveJ2 = static_cast<const Lightcurve&> (customColCurve2);
userColCurveJ2.Apply (Jj);
if (Jj > Jold) {
if (Jj < 65535.f) {
if (Jold < 327.68f * redu) {
Jj = 0.3f * (Jj - Jold) + Jold; //divide sensibility
} else {
reduc = LIM ((100.f - Jold100) / (100.f - redu), 0.f, 1.f);
Jj = 0.3f * reduc * (Jj - Jold) + Jold; //reduct sensibility in highlights
}
}
} else if (Jj > 10.f) {
if (!t1L) {
Jj = 0.8f * (Jj - Jold) + Jold;
} else {
Jj = 0.4f * (Jj - Jold) + Jold;
}
} else if (Jj >= 0.f) {
if (!t1L) {
Jj = 0.90f * (Jj - Jold) + Jold; // not zero ==>artifacts
} else {
Jj = 0.5f * (Jj - Jold) + Jold;
}
}
Jpro = (float) (Jj / 327.68f);
if (Jpro < 1.f) {
Jpro = 1.f;
}
} else if (curveMode2 == ColorAppearanceParams::TcMode::BRIGHT) { //
float Qanc = Qpro;
float coef = ((aw + 4.f) * (4.f / c)) / 100.f;
float Qq = (float) Qpro * 327.68f * (1.f / coef);
float Qold100 = (float) Qpro / coef;
float Qold = Qq;
float redu = 20.f;
float reduc = 1.f;
const Brightcurve& userColCurveB2 = static_cast<const Brightcurve&> (customColCurve2);
userColCurveB2.Apply (Qq);
if (Qq > Qold) {
if (Qq < 65535.f) {
if (Qold < 327.68f * redu) {
Qq = 0.25f * (Qq - Qold) + Qold; //divide sensibility
} else {
reduc = LIM ((100.f - Qold100) / (100.f - redu), 0.f, 1.f);
Qq = 0.25f * reduc * (Qq - Qold) + Qold; //reduct sensibility in highlights
}
}
} else if (Qq > 10.f) {
Qq = 0.5f * (Qq - Qold) + Qold;
} else if (Qq >= 0.f) {
Qq = 0.7f * (Qq - Qold) + Qold; // not zero ==>artifacts
}
if (Qold == 0.f) {
Qold = 0.001f;
}
Qpro = Qanc * (Qq / Qold);
Jpro = SQR ((10.f * Qpro) / wh);
if (t1L) { //to workaround the problem if we modify curve1-lightnees after curve2 brightness(the cat that bites its own tail!) in fact it's another type of curve only for this case
coef = 2.f; //adapt Q to J approximation
Qq = (float) Qpro * coef;
Qold = Qq;
const Lightcurve& userColCurveJ1 = static_cast<const Lightcurve&> (customColCurve1);
userColCurveJ1.Apply (Qq);
Qq = 0.05f * (Qq - Qold) + Qold; //approximative adaptation
Qpro = (float) (Qq / coef);
Jpro = 100.f * (Qpro * Qpro) / ((4.0f / c) * (4.0f / c) * (aw + 4.0f) * (aw + 4.0f));
}
if (Jpro < 1.f) {
Jpro = 1.f;
}
}
}
if (hasColCurve3) {//curve 3 with chroma saturation colorfullness
if (curveMode3 == ColorAppearanceParams::CtcMode::CHROMA) {
float parsat = 0.8f; //0.68;
float coef = 327.68f / parsat;
float Cc = (float) Cpro * coef;
float Ccold = Cc;
const Chromacurve& userColCurve = static_cast<const Chromacurve&> (customColCurve3);
userColCurve.Apply (Cc);
float dred = 55.f;
float protect_red = 30.0f;
int sk = 1;
float ko = 1.f / coef;
Color::skinredfloat (Jpro, hpro, Cc, Ccold, dred, protect_red, sk, rstprotection, ko, Cpro);
/*
if(Jpro < 1.f && Cpro > 12.f) {
Cpro = 12.f; //reduce artifacts by "pseudo gamut control CIECAM"
} else if(Jpro < 2.f && Cpro > 15.f) {
Cpro = 15.f;
} else if(Jpro < 4.f && Cpro > 30.f) {
Cpro = 30.f;
} else if(Jpro < 7.f && Cpro > 50.f) {
Cpro = 50.f;
}
*/
} else if (curveMode3 == ColorAppearanceParams::CtcMode::SATUR) { //
float parsat = 0.8f; //0.6
float coef = 327.68f / parsat;
float Ss = (float) spro * coef;
float Sold = Ss;
const Saturcurve& userColCurve = static_cast<const Saturcurve&> (customColCurve3);
userColCurve.Apply (Ss);
Ss = 0.6f * (Ss - Sold) + Sold; //divide sensibility saturation
float dred = 100.f; // in C mode
float protect_red = 80.0f; // in C mode
dred = 100.0f * sqrtf ((dred * coe) / Qpro);
protect_red = 100.0f * sqrtf ((protect_red * coe) / Qpro);
int sk = 0;
float ko = 1.f / coef;
Color::skinredfloat (Jpro, hpro, Ss, Sold, dred, protect_red, sk, rstprotection, ko, spro);
Qpro = ( 4.0f / c ) * sqrtf ( Jpro / 100.0f ) * ( aw + 4.0f ) ;
Cpro = (spro * spro * Qpro) / (10000.0f);
} else if (curveMode3 == ColorAppearanceParams::CtcMode::COLORF) { //
float parsat = 0.8f; //0.68;
float coef = 327.68f / parsat;
float Mm = (float) Mpro * coef;
float Mold = Mm;
const Colorfcurve& userColCurve = static_cast<const Colorfcurve&> (customColCurve3);
userColCurve.Apply (Mm);
float dred = 100.f; //in C mode
float protect_red = 80.0f; // in C mode
dred *= coe; //in M mode
protect_red *= coe;
int sk = 0;
float ko = 1.f / coef;
Color::skinredfloat (Jpro, hpro, Mm, Mold, dred, protect_red, sk, rstprotection, ko, Mpro);
/*
if(Jpro < 1.f && Mpro > 12.f * coe) {
Mpro = 12.f * coe; //reduce artifacts by "pseudo gamut control CIECAM"
} else if(Jpro < 2.f && Mpro > 15.f * coe) {
Mpro = 15.f * coe;
} else if(Jpro < 4.f && Mpro > 30.f * coe) {
Mpro = 30.f * coe;
} else if(Jpro < 7.f && Mpro > 50.f * coe) {
Mpro = 50.f * coe;
}
*/
Cpro = Mpro / coe;
}
}
//to retrieve the correct values of variables
//retrieve values C,J...s
C = Cpro;
J = Jpro;
Q = Qpro;
M = Mpro;
h = hpro;
s = spro;
if (params->colorappearance.tonecie || settings->autocielab) { //use pointer for tonemapping with CIECAM and also sharpening , defringe, contrast detail
ncie->Q_p[i][j] = (float)Q + epsil; //epsil to avoid Q=0
ncie->M_p[i][j] = (float)M + epsil;
ncie->J_p[i][j] = (float)J + epsil;
ncie->h_p[i][j] = (float)h;
ncie->C_p[i][j] = (float)C + epsil;
ncie->sh_p[i][j] = (float) 3276.8f * (sqrtf ( J ) ) ;
if (epdEnabled) {
if (ncie->Q_p[i][j] < minQThr) {
minQThr = ncie->Q_p[i][j]; //minima
}
if (ncie->Q_p[i][j] > maxQThr) {
maxQThr = ncie->Q_p[i][j]; //maxima
}
}
}
if (!params->colorappearance.tonecie || !settings->autocielab || !epdEnabled) {
if (ciedata) { //only with improccoordinator
// Data for J Q M s and C histograms
int posl, posc;
float brli;
float chsacol;
float libr;
float colch;
//update histogram
if (curveMode == ColorAppearanceParams::TcMode::BRIGHT) {
brli = 70.0f;
libr = Q; //40.0 to 100.0 approximative factor for Q - 327 for J
} else { /*if(curveMode == ColorAppearanceParams::TCMode::LIGHT)*/
brli = 327.f;
libr = J; //327 for J
}
posl = (int) (libr * brli);
hist16JCAM[posl]++;
if (curveMode3 == ColorAppearanceParams::CtcMode::CHROMA) {
chsacol = 400.f;//327
colch = C; //450.0 approximative factor for s 320 for M
} else if (curveMode3 == ColorAppearanceParams::CtcMode::SATUR) {
chsacol = 450.0f;
colch = s;
} else { /*if(curveMode3 == ColorAppearanceParams::CTCMode::COLORF)*/
chsacol = 400.0f;//327
colch = M;
}
posc = (int) (colch * chsacol);
hist16_CCAM[posc]++;
}
if (LabPassOne) {
#ifdef __SSE2__
// write to line buffers
Jbuffer[j] = J;
Cbuffer[j] = C;
hbuffer[j] = h;
#else
float xx, yy, zz;
//process normal==> viewing
Ciecam02::jch2xyz_ciecam02float ( xx, yy, zz,
J, C, h,
xw2, yw2, zw2,
c2, nc2, pow1n, nbbj, ncbj, flj, czj, dj, awj);
float x, y, z;
x = xx * 655.35f;
y = yy * 655.35f;
z = zz * 655.35f;
float Ll, aa, bb;
//convert xyz=>lab
Color::XYZ2Lab (x, y, z, Ll, aa, bb);
// gamut control in Lab mode; I must study how to do with cIECAM only
if (gamu == 1) {
float Lprov1, Chprov1;
Lprov1 = Ll / 327.68f;
Chprov1 = sqrtf (SQR (aa) + SQR (bb)) / 327.68f;
float2 sincosval;
if (Chprov1 == 0.0f) {
sincosval.y = 1.f;
sincosval.x = 0.0f;
} else {
sincosval.y = aa / (Chprov1 * 327.68f);
sincosval.x = bb / (Chprov1 * 327.68f);
}
#ifdef _DEBUG
bool neg = false;
bool more_rgb = false;
//gamut control : Lab values are in gamut
Color::gamutLchonly (sincosval, Lprov1, Chprov1, wip, highlight, 0.15f, 0.96f, neg, more_rgb);
#else
//gamut control : Lab values are in gamut
Color::gamutLchonly (sincosval, Lprov1, Chprov1, wip, highlight, 0.15f, 0.96f);
#endif
lab->L[i][j] = Lprov1 * 327.68f;
lab->a[i][j] = 327.68f * Chprov1 * sincosval.y;
lab->b[i][j] = 327.68f * Chprov1 * sincosval.x;
} else {
lab->L[i][j] = Ll;
lab->a[i][j] = aa;
lab->b[i][j] = bb;
}
#endif
}
}
}
#ifdef __SSE2__
// process line buffers
float *xbuffer = Qbuffer;
float *ybuffer = Mbuffer;
float *zbuffer = sbuffer;
for (k = 0; k < bufferLength; k += 4) {
Ciecam02::jch2xyz_ciecam02float ( x, y, z,
LVF (Jbuffer[k]), LVF (Cbuffer[k]), LVF (hbuffer[k]),
F2V (xw2), F2V (yw2), F2V (zw2),
F2V (nc2), F2V (pow1n), F2V (nbbj), F2V (ncbj), F2V (flj), F2V (dj), F2V (awj), F2V (reccmcz));
STVF (xbuffer[k], x * c655d35);
STVF (ybuffer[k], y * c655d35);
STVF (zbuffer[k], z * c655d35);
}
// XYZ2Lab uses a lookup table. The function behind that lut is a cube root.
// SSE can't beat the speed of that lut, so it doesn't make sense to use SSE
for (int j = 0; j < width; j++) {
float Ll, aa, bb;
//convert xyz=>lab
Color::XYZ2Lab (xbuffer[j], ybuffer[j], zbuffer[j], Ll, aa, bb);
// gamut control in Lab mode; I must study how to do with cIECAM only
if (gamu == 1) {
float Lprov1, Chprov1;
Lprov1 = Ll / 327.68f;
Chprov1 = sqrtf (SQR (aa) + SQR (bb)) / 327.68f;
float2 sincosval;
if (Chprov1 == 0.0f) {
sincosval.y = 1.f;
sincosval.x = 0.0f;
} else {
sincosval.y = aa / (Chprov1 * 327.68f);
sincosval.x = bb / (Chprov1 * 327.68f);
}
#ifdef _DEBUG
bool neg = false;
bool more_rgb = false;
//gamut control : Lab values are in gamut
Color::gamutLchonly (sincosval, Lprov1, Chprov1, wip, highlight, 0.15f, 0.96f, neg, more_rgb);
#else
//gamut control : Lab values are in gamut
Color::gamutLchonly (sincosval, Lprov1, Chprov1, wip, highlight, 0.15f, 0.96f);
#endif
lab->L[i][j] = Lprov1 * 327.68f;
lab->a[i][j] = 327.68f * Chprov1 * sincosval.y;
lab->b[i][j] = 327.68f * Chprov1 * sincosval.x;
} else {
lab->L[i][j] = Ll;
lab->a[i][j] = aa;
lab->b[i][j] = bb;
}
}
#endif
}
#ifdef _OPENMP
#pragma omp critical
#endif
{
if (minQThr < minQ) {
minQ = minQThr;
}
if (maxQThr > maxQ) {
maxQ = maxQThr;
}
}
}
// End of parallelization
if (!params->colorappearance.tonecie || !settings->autocielab) { //normal
if (ciedata) {
//update histogram J
hist16JCAM.compressTo (histLCAM);
//update histogram C
hist16_CCAM.compressTo (histCCAM);
}
}
#ifdef _DEBUG
if (settings->verbose) {
t2e.set();
printf ("CIECAM02 performed in %d usec:\n", t2e.etime (t1e));
// printf("minc=%f maxc=%f minj=%f maxj=%f\n",minc,maxc,minj,maxj);
}
#endif
if (settings->autocielab) {
if ((params->colorappearance.tonecie && (epdEnabled)) || (params->sharpening.enabled && settings->autocielab && execsharp)
|| (params->dirpyrequalizer.enabled && settings->autocielab) || (params->defringe.enabled && settings->autocielab) || (params->sharpenMicro.enabled && settings->autocielab)
|| (params->impulseDenoise.enabled && settings->autocielab) || (params->colorappearance.badpixsl > 0 && settings->autocielab)) {
//all this treatments reduce artifacts, but can lead to slightly different results
if (params->defringe.enabled)
if (execsharp) {
lab->deleteLab();
defringecam (ncie);//defringe adapted to CIECAM
lab->reallocLab();
}
//if(params->dirpyrequalizer.enabled) if(execsharp) {
if (params->dirpyrequalizer.enabled && params->dirpyrequalizer.gamutlab && rtt) { //remove artifacts by gaussian blur - skin control, but not for thumbs
constexpr float artifact = 4.f;
constexpr float chrom = 50.f;
const bool hotbad = params->dirpyrequalizer.skinprotect != 0.0;
lab->deleteLab();
badpixcam (ncie, artifact / scale, 5, 2, chrom, hotbad); //enabled remove artifacts for cbDL
lab->reallocLab();
}
//if(params->colorappearance.badpixsl > 0) { int mode=params->colorappearance.badpixsl;
if (params->colorappearance.badpixsl > 0 && execsharp) {
int mode = params->colorappearance.badpixsl;
lab->deleteLab();
badpixcam (ncie, 3.0, 10, mode, 0, true);//for bad pixels CIECAM
lab->reallocLab();
}
if (params->impulseDenoise.enabled) if (execsharp) {
float **buffers[3];
buffers[0] = lab->L;
buffers[1] = lab->a;
buffers[2] = lab->b;
impulsedenoisecam (ncie, buffers); //impulse adapted to CIECAM
}
if (params->sharpenMicro.enabled)if (execsharp) {
MLmicrocontrastcam (ncie);
}
if (params->sharpening.enabled)
if (execsharp) {
float **buffer = lab->L; // We can use the L-buffer from lab as buffer to save some memory
sharpeningcam (ncie, buffer, showSharpMask); // sharpening adapted to CIECAM
}
//if(params->dirpyrequalizer.enabled) if(execsharp) {
if (params->dirpyrequalizer.enabled /*&& execsharp*/) {
// if(params->dirpyrequalizer.algo=="FI") choice=0;
// else if(params->dirpyrequalizer.algo=="LA") choice=1;
if (rtt == 1) {
float b_l = static_cast<float> (params->dirpyrequalizer.hueskin.getBottomLeft()) / 100.0f;
float t_l = static_cast<float> (params->dirpyrequalizer.hueskin.getTopLeft()) / 100.0f;
float t_r = static_cast<float> (params->dirpyrequalizer.hueskin.getTopRight()) / 100.0f;
lab->deleteLab();
dirpyr_equalizercam (ncie, ncie->sh_p, ncie->sh_p, ncie->W, ncie->H, ncie->h_p, ncie->C_p, params->dirpyrequalizer.mult, params->dirpyrequalizer.threshold, params->dirpyrequalizer.skinprotect, b_l, t_l, t_r, scale); //contrast by detail adapted to CIECAM
lab->reallocLab();
}
/*
if(params->colorappearance.badpixsl > 0) if(execsharp){ int mode=params->colorappearance.badpixsl;
printf("BADPIX");
ImProcFunctions::badpixcam (ncie, 8.0, 10, mode);//for bad pixels
}
*/
}
const float Qredi = ( 4.0f / c_) * ( a_w + 4.0f );
const float co_e = (pow_F (f_l, 0.25f));
#ifndef _DEBUG
#ifdef _OPENMP
#pragma omp parallel
#endif
#endif
{
#ifndef _DEBUG
#ifdef _OPENMP
#pragma omp for schedule(dynamic, 10)
#endif
#endif
for (int i = 0; i < height; i++) // update CieImages with new values after sharpening, defringe, contrast by detail level
for (int j = 0; j < width; j++) {
float interm = fabsf (ncie->sh_p[i][j] / (32768.f));
ncie->J_p[i][j] = 100.0f * SQR (interm);
ncie->Q_p[i][j] = interm * Qredi;
ncie->M_p[i][j] = ncie->C_p[i][j] * co_e;
}
}
}
}
if ((params->colorappearance.tonecie && (epdEnabled)) || (params->sharpening.enabled && settings->autocielab && execsharp)
|| (params->dirpyrequalizer.enabled && settings->autocielab) || (params->defringe.enabled && settings->autocielab) || (params->sharpenMicro.enabled && settings->autocielab)
|| (params->impulseDenoise.enabled && settings->autocielab) || (params->colorappearance.badpixsl > 0 && settings->autocielab)) {
ciedata = (params->colorappearance.datacie && pW != 1);
if (epdEnabled && params->colorappearance.tonecie && algepd) {
lab->deleteLab();
EPDToneMapCIE (ncie, a_w, c_, width, height, minQ, maxQ, Iterates, scale );
lab->reallocLab();
}
//EPDToneMapCIE adated to CIECAM
constexpr float eps = 0.0001f;
const float co_e = (pow_F (f_l, 0.25f)) + eps;
#ifndef _DEBUG
#ifdef _OPENMP
#pragma omp parallel
#endif
#endif
{
#ifdef __SSE2__
// one line buffer per channel
float Jbuffer[bufferLength] ALIGNED16;
float Cbuffer[bufferLength] ALIGNED16;
float hbuffer[bufferLength] ALIGNED16;
float *xbuffer = Jbuffer; // we can use one of the above buffers
float *ybuffer = Cbuffer; // "
float *zbuffer = hbuffer; // "
#endif
#ifndef _DEBUG
#ifdef _OPENMP
#pragma omp for schedule(dynamic, 10)
#endif
#endif
for (int i = 0; i < height; i++) { // update CIECAM with new values after tone-mapping
for (int j = 0; j < width; j++) {
// if(epdEnabled) ncie->J_p[i][j]=(100.0f* ncie->Q_p[i][j]*ncie->Q_p[i][j])/(w_h*w_h);
if (epdEnabled) {
ncie->J_p[i][j] = (100.0f * ncie->Q_p[i][j] * ncie->Q_p[i][j]) / SQR ((4.f / c) * (aw + 4.f));
}
const float ncie_C_p = (ncie->M_p[i][j]) / co_e;
//show histogram in CIECAM mode (Q,J, M,s,C)
if (ciedata) {
// Data for J Q M s and C histograms
int posl, posc;
float brli = 327.f;
float chsacol = 327.f;
float libr;
float colch;
if (curveMode == ColorAppearanceParams::TcMode::BRIGHT) {
brli = 70.0f;
libr = ncie->Q_p[i][j]; //40.0 to 100.0 approximative factor for Q - 327 for J
} else { /*if(curveMode == ColorAppearanceParams::TCMode::LIGHT)*/
brli = 327.f;
libr = ncie->J_p[i][j]; //327 for J
}
posl = (int) (libr * brli);
hist16JCAM[posl]++;
if (curveMode3 == ColorAppearanceParams::CtcMode::CHROMA) {
chsacol = 400.f;//327.f;
colch = ncie_C_p;
} else if (curveMode3 == ColorAppearanceParams::CtcMode::SATUR) {
chsacol = 450.0f;
colch = 100.f * sqrtf (ncie_C_p / ncie->Q_p[i][j]);
} else { /*if(curveMode3 == ColorAppearanceParams::CTCMode::COLORF)*/
chsacol = 400.f;//327.0f;
colch = ncie->M_p[i][j];
}
posc = (int) (colch * chsacol);
hist16_CCAM[posc]++;
}
//end histograms
#ifdef __SSE2__
Jbuffer[j] = ncie->J_p[i][j];
Cbuffer[j] = ncie_C_p;
hbuffer[j] = ncie->h_p[i][j];
#else
float xx, yy, zz;
Ciecam02::jch2xyz_ciecam02float ( xx, yy, zz,
ncie->J_p[i][j], ncie_C_p, ncie->h_p[i][j],
xw2, yw2, zw2,
c2, nc2, pow1n, nbbj, ncbj, flj, czj, dj, awj);
float x = (float)xx * 655.35f;
float y = (float)yy * 655.35f;
float z = (float)zz * 655.35f;
float Ll, aa, bb;
//convert xyz=>lab
Color::XYZ2Lab (x, y, z, Ll, aa, bb);
if (gamu == 1) {
float Lprov1, Chprov1;
Lprov1 = Ll / 327.68f;
Chprov1 = sqrtf (SQR (aa) + SQR (bb)) / 327.68f;
float2 sincosval;
if (Chprov1 == 0.0f) {
sincosval.y = 1.f;
sincosval.x = 0.0f;
} else {
sincosval.y = aa / (Chprov1 * 327.68f);
sincosval.x = bb / (Chprov1 * 327.68f);
}
#ifdef _DEBUG
bool neg = false;
bool more_rgb = false;
//gamut control : Lab values are in gamut
Color::gamutLchonly (sincosval, Lprov1, Chprov1, wip, highlight, 0.15f, 0.96f, neg, more_rgb);
#else
//gamut control : Lab values are in gamut
Color::gamutLchonly (sincosval, Lprov1, Chprov1, wip, highlight, 0.15f, 0.96f);
#endif
lab->L[i][j] = Lprov1 * 327.68f;
lab->a[i][j] = 327.68f * Chprov1 * sincosval.y;
lab->b[i][j] = 327.68f * Chprov1 * sincosval.x;
} else {
lab->L[i][j] = Ll;
lab->a[i][j] = aa;
lab->b[i][j] = bb;
}
#endif
}
#ifdef __SSE2__
// process line buffers
int k;
vfloat x, y, z;
vfloat c655d35 = F2V (655.35f);
for (k = 0; k < bufferLength; k += 4) {
Ciecam02::jch2xyz_ciecam02float ( x, y, z,
LVF (Jbuffer[k]), LVF (Cbuffer[k]), LVF (hbuffer[k]),
F2V (xw2), F2V (yw2), F2V (zw2),
F2V (nc2), F2V (pow1n), F2V (nbbj), F2V (ncbj), F2V (flj), F2V (dj), F2V (awj), F2V (reccmcz));
x *= c655d35;
y *= c655d35;
z *= c655d35;
STVF (xbuffer[k], x);
STVF (ybuffer[k], y);
STVF (zbuffer[k], z);
}
// XYZ2Lab uses a lookup table. The function behind that lut is a cube root.
// SSE can't beat the speed of that lut, so it doesn't make sense to use SSE
for (int j = 0; j < width; j++) {
float Ll, aa, bb;
//convert xyz=>lab
Color::XYZ2Lab (xbuffer[j], ybuffer[j], zbuffer[j], Ll, aa, bb);
if (gamu == 1) {
float Lprov1, Chprov1;
Lprov1 = Ll / 327.68f;
Chprov1 = sqrtf (SQR (aa) + SQR (bb)) / 327.68f;
float2 sincosval;
if (Chprov1 == 0.0f) {
sincosval.y = 1.f;
sincosval.x = 0.0f;
} else {
sincosval.y = aa / (Chprov1 * 327.68f);
sincosval.x = bb / (Chprov1 * 327.68f);
}
#ifdef _DEBUG
bool neg = false;
bool more_rgb = false;
//gamut control : Lab values are in gamut
Color::gamutLchonly (sincosval, Lprov1, Chprov1, wip, highlight, 0.15f, 0.96f, neg, more_rgb);
#else
//gamut control : Lab values are in gamut
Color::gamutLchonly (sincosval, Lprov1, Chprov1, wip, highlight, 0.15f, 0.96f);
#endif
lab->L[i][j] = Lprov1 * 327.68f;
lab->a[i][j] = 327.68f * Chprov1 * sincosval.y;
lab->b[i][j] = 327.68f * Chprov1 * sincosval.x;
} else {
lab->L[i][j] = Ll;
lab->a[i][j] = aa;
lab->b[i][j] = bb;
}
}
#endif // __SSE2__
}
} //end parallelization
//show CIECAM histograms
if (ciedata) {
//update histogram J and Q
//update histogram J
hist16JCAM.compressTo (histLCAM);
//update color histogram M,s,C
hist16_CCAM.compressTo (histCCAM);
}
}
}
}
//end CIECAM
void ImProcFunctions::moyeqt (Imagefloat* working, float &moyS, float &eqty)
{
BENCHFUN
int tHh = working->getHeight();
int tWw = working->getWidth();
double moy = 0.0;
double sqrs = 0.0;
#ifdef _OPENMP
#pragma omp parallel for reduction(+:moy,sqrs) schedule(dynamic,16)
#endif
for (int i = 0; i < tHh; i++) {
for (int j = 0; j < tWw; j++) {
float s = Color::rgb2s (CLIP (working->r (i, j)), CLIP (working->g (i, j)), CLIP (working->b (i, j)));
moy += s;
sqrs += SQR (s);
}
}
moy /= (tHh * tWw);
sqrs /= (tHh * tWw);
eqty = sqrt (sqrs - SQR (moy));
moyS = moy;
}
static inline void
filmlike_clip_rgb_tone (float *r, float *g, float *b, const float L)
{
float r_ = *r > L ? L : *r;
float b_ = *b > L ? L : *b;
float g_ = b_ + ((r_ - b_) * (*g - *b) / (*r - *b));
*r = r_;
*g = g_;
*b = b_;
}
/*static*/ void
filmlike_clip (float *r, float *g, float *b)
{
// This is Adobe's hue-stable film-like curve with a diagonal, ie only used for clipping. Can probably be further optimized.
const float L = 65535.0;
if (*r >= *g) {
if (*g > *b) { // Case 1: r >= g > b
filmlike_clip_rgb_tone (r, g, b, L);
} else if (*b > *r) { // Case 2: b > r >= g
filmlike_clip_rgb_tone (b, r, g, L);
} else if (*b > *g) { // Case 3: r >= b > g
filmlike_clip_rgb_tone (r, b, g, L);
} else { // Case 4: r >= g == b
*r = *r > L ? L : *r;
*g = *g > L ? L : *g;
*b = *g;
}
} else {
if (*r >= *b) { // Case 5: g > r >= b
filmlike_clip_rgb_tone (g, r, b, L);
} else if (*b > *g) { // Case 6: b > g > r
filmlike_clip_rgb_tone (b, g, r, L);
} else { // Case 7: g >= b > r
filmlike_clip_rgb_tone (g, b, r, L);
}
}
}
void ImProcFunctions::rgbProc (Imagefloat* working, LabImage* lab, PipetteBuffer *pipetteBuffer, const LUTf& hltonecurve, const LUTf& shtonecurve, const LUTf& tonecurve,
int sat, const LUTf& rCurve, const LUTf& gCurve, const LUTf& bCurve, float satLimit, float satLimitOpacity,
const ColorGradientCurve& ctColorCurve, const OpacityCurve& ctOpacityCurve, bool opautili, const LUTf& clToningcurve, const LUTf& cl2Toningcurve,
const ToneCurve& customToneCurve1, const ToneCurve& customToneCurve2, const ToneCurve& customToneCurvebw1, const ToneCurve& customToneCurvebw2,
double &rrm, double &ggm, double &bbm, float &autor, float &autog, float &autob, DCPProfile *dcpProf, const DCPProfileApplyState& asIn,
LUTu& histToneCurve, size_t chunkSize, bool measure)
{
rgbProc(working, lab, pipetteBuffer, hltonecurve, shtonecurve, tonecurve, sat, rCurve, gCurve, bCurve, satLimit, satLimitOpacity, ctColorCurve, ctOpacityCurve, opautili,
clToningcurve, cl2Toningcurve, customToneCurve1, customToneCurve2, customToneCurvebw1, customToneCurvebw2, rrm, ggm, bbm, autor, autog, autob,
params->toneCurve.expcomp, params->toneCurve.hlcompr, params->toneCurve.hlcomprthresh, dcpProf, asIn, histToneCurve, chunkSize, measure);
}
// Process RGB image and convert to LAB space
void ImProcFunctions::rgbProc (Imagefloat* working, LabImage* lab, PipetteBuffer *pipetteBuffer, const LUTf& hltonecurve, const LUTf& shtonecurve, const LUTf& tonecurve,
int sat, const LUTf& rCurve, const LUTf& gCurve, const LUTf& bCurve, float satLimit, float satLimitOpacity,
const ColorGradientCurve& ctColorCurve, const OpacityCurve& ctOpacityCurve, bool opautili, const LUTf& clToningcurve, const LUTf& cl2Toningcurve,
const ToneCurve& customToneCurve1, const ToneCurve& customToneCurve2, const ToneCurve& customToneCurvebw1, const ToneCurve& customToneCurvebw2,
double &rrm, double &ggm, double &bbm, float &autor, float &autog, float &autob, double expcomp, int hlcompr, int hlcomprthresh,
DCPProfile *dcpProf, const DCPProfileApplyState& asIn, LUTu& histToneCurve, size_t chunkSize, bool measure)
{
std::unique_ptr<StopWatch> stop;
if (measure) {
std::cout << "rgb processing " << working->getWidth() << "x" << working->getHeight() << " image with " << chunkSize << " tiles per thread" << std::endl;
stop.reset(new StopWatch("rgb processing"));
}
Imagefloat *tmpImage = nullptr;
Imagefloat* editImgFloat = nullptr;
PlanarWhateverData<float>* editWhatever = nullptr;
EditUniqueID editID = pipetteBuffer ? pipetteBuffer->getEditID() : EUID_None;
if (editID != EUID_None) {
switch (pipetteBuffer->getDataProvider()->getCurrSubscriber()->getPipetteBufferType()) {
case (BT_IMAGEFLOAT):
editImgFloat = pipetteBuffer->getImgFloatBuffer();
break;
case (BT_LABIMAGE):
break;
case (BT_SINGLEPLANE_FLOAT):
editWhatever = pipetteBuffer->getSinglePlaneBuffer();
break;
}
}
TMatrix wprof = ICCStore::getInstance()->workingSpaceMatrix (params->icm.workingProfile);
TMatrix wiprof = ICCStore::getInstance()->workingSpaceInverseMatrix (params->icm.workingProfile);
float toxyz[3][3] = {
{
static_cast<float> ( wprof[0][0] / Color::D50x),
static_cast<float> ( wprof[0][1] / Color::D50x),
static_cast<float> ( wprof[0][2] / Color::D50x)
}, {
static_cast<float> ( wprof[1][0]),
static_cast<float> ( wprof[1][1]),
static_cast<float> ( wprof[1][2])
}, {
static_cast<float> ( wprof[2][0] / Color::D50z),
static_cast<float> ( wprof[2][1] / Color::D50z),
static_cast<float> ( wprof[2][2] / Color::D50z)
}
};
float maxFactorToxyz = max (toxyz[1][0], toxyz[1][1], toxyz[1][2]);
float equalR = maxFactorToxyz / toxyz[1][0];
float equalG = maxFactorToxyz / toxyz[1][1];
float equalB = maxFactorToxyz / toxyz[1][2];
//inverse matrix user select
double wip[3][3] = {
{wiprof[0][0], wiprof[0][1], wiprof[0][2]},
{wiprof[1][0], wiprof[1][1], wiprof[1][2]},
{wiprof[2][0], wiprof[2][1], wiprof[2][2]}
};
double wp[3][3] = {
{wprof[0][0], wprof[0][1], wprof[0][2]},
{wprof[1][0], wprof[1][1], wprof[1][2]},
{wprof[2][0], wprof[2][1], wprof[2][2]}
};
bool mixchannels = params->chmixer.enabled &&
(params->chmixer.red[0] != 100 || params->chmixer.red[1] != 0 || params->chmixer.red[2] != 0 ||
params->chmixer.green[0] != 0 || params->chmixer.green[1] != 100 || params->chmixer.green[2] != 0 ||
params->chmixer.blue[0] != 0 || params->chmixer.blue[1] != 0 || params->chmixer.blue[2] != 100);
FlatCurve* hCurve = nullptr;
FlatCurve* sCurve = nullptr;
FlatCurve* vCurve = nullptr;
FlatCurve* bwlCurve = nullptr;
FlatCurveType hCurveType = (FlatCurveType)params->hsvequalizer.hcurve.at (0);
FlatCurveType sCurveType = (FlatCurveType)params->hsvequalizer.scurve.at (0);
FlatCurveType vCurveType = (FlatCurveType)params->hsvequalizer.vcurve.at (0);
FlatCurveType bwlCurveType = (FlatCurveType)params->blackwhite.luminanceCurve.at (0);
bool hCurveEnabled = params->hsvequalizer.enabled && hCurveType > FCT_Linear;
bool sCurveEnabled = params->hsvequalizer.enabled && sCurveType > FCT_Linear;
bool vCurveEnabled = params->hsvequalizer.enabled && vCurveType > FCT_Linear;
bool bwlCurveEnabled = bwlCurveType > FCT_Linear;
// TODO: We should create a 'skip' value like for CurveFactory::complexsgnCurve (rtengine/curves.cc)
if (hCurveEnabled) {
hCurve = new FlatCurve (params->hsvequalizer.hcurve);
if (hCurve->isIdentity()) {
delete hCurve;
hCurve = nullptr;
hCurveEnabled = false;
}
}
if (sCurveEnabled) {
sCurve = new FlatCurve (params->hsvequalizer.scurve);
if (sCurve->isIdentity()) {
delete sCurve;
sCurve = nullptr;
sCurveEnabled = false;
}
}
if (vCurveEnabled) {
vCurve = new FlatCurve (params->hsvequalizer.vcurve);
if (vCurve->isIdentity()) {
delete vCurve;
vCurve = nullptr;
vCurveEnabled = false;
}
}
if (bwlCurveEnabled) {
bwlCurve = new FlatCurve (params->blackwhite.luminanceCurve);
if (bwlCurve->isIdentity()) {
delete bwlCurve;
bwlCurve = nullptr;
bwlCurveEnabled = false;
}
}
std::shared_ptr<HaldCLUT> hald_clut;
bool clutAndWorkingProfilesAreSame = false;
TMatrix xyz2clut = {}, clut2xyz = {};
#ifdef __SSE2__
vfloat v_work2xyz[3][3] ALIGNED16;
vfloat v_xyz2clut[3][3] ALIGNED16;
vfloat v_clut2xyz[3][3] ALIGNED16;
vfloat v_xyz2work[3][3] ALIGNED16;
#endif
if ( params->filmSimulation.enabled && !params->filmSimulation.clutFilename.empty() ) {
hald_clut = CLUTStore::getInstance().getClut ( params->filmSimulation.clutFilename );
if ( hald_clut ) {
clutAndWorkingProfilesAreSame = hald_clut->getProfile() == params->icm.workingProfile;
if ( !clutAndWorkingProfilesAreSame ) {
xyz2clut = ICCStore::getInstance()->workingSpaceInverseMatrix ( hald_clut->getProfile() );
clut2xyz = ICCStore::getInstance()->workingSpaceMatrix ( hald_clut->getProfile() );
#ifdef __SSE2__
for (int i = 0; i < 3; ++i) {
for (int j = 0; j < 3; ++j) {
v_work2xyz[i][j] = F2V (wprof[i][j]);
v_xyz2clut[i][j] = F2V (xyz2clut[i][j]);
v_xyz2work[i][j] = F2V (wiprof[i][j]);
v_clut2xyz[i][j] = F2V (clut2xyz[i][j]);
}
}
#endif
}
}
}
const float film_simulation_strength = static_cast<float> (params->filmSimulation.strength) / 100.0f;
const float exp_scale = pow (2.0, expcomp);
const float comp = (max (0.0, expcomp) + 1.0) * hlcompr / 100.0;
const float shoulder = ((65536.0 / max (1.0f, exp_scale)) * (hlcomprthresh / 200.0)) + 0.1;
const float hlrange = 65536.0 - shoulder;
const bool isProPhoto = (params->icm.workingProfile == "ProPhoto");
// extracting data from 'params' to avoid cache flush (to be confirmed)
ToneCurveMode curveMode = params->toneCurve.curveMode;
ToneCurveMode curveMode2 = params->toneCurve.curveMode2;
bool highlight = params->toneCurve.hrenabled;//Get the value if "highlight reconstruction" is activated
bool hasToneCurve1 = bool (customToneCurve1);
bool hasToneCurve2 = bool (customToneCurve2);
BlackWhiteParams::TcMode beforeCurveMode = params->blackwhite.beforeCurveMode;
BlackWhiteParams::TcMode afterCurveMode = params->blackwhite.afterCurveMode;
bool hasToneCurvebw1 = bool (customToneCurvebw1);
bool hasToneCurvebw2 = bool (customToneCurvebw2);
PerceptualToneCurveState ptc1ApplyState, ptc2ApplyState;
if (hasToneCurve1 && curveMode == ToneCurveMode::PERCEPTUAL) {
const PerceptualToneCurve& userToneCurve = static_cast<const PerceptualToneCurve&> (customToneCurve1);
userToneCurve.initApplyState (ptc1ApplyState, params->icm.workingProfile);
}
if (hasToneCurve2 && curveMode2 == ToneCurveMode::PERCEPTUAL) {
const PerceptualToneCurve& userToneCurve = static_cast<const PerceptualToneCurve&> (customToneCurve2);
userToneCurve.initApplyState (ptc2ApplyState, params->icm.workingProfile);
}
bool hasColorToning = params->colorToning.enabled && bool (ctOpacityCurve) && bool (ctColorCurve) && params->colorToning.method != "LabGrid";
bool hasColorToningLabGrid = params->colorToning.enabled && params->colorToning.method == "LabGrid";
// float satLimit = float(params->colorToning.satProtectionThreshold)/100.f*0.7f+0.3f;
// float satLimitOpacity = 1.f-(float(params->colorToning.saturatedOpacity)/100.f);
float strProtect = pow_F((float (params->colorToning.strength) / 100.f), 0.4f);
/*
// Debug output - Color LUTf points
if (ctColorCurve) {
printf("\nColor curve:");
for (size_t i=0; i<501; i++) {
if (i==0 || i==250 || i==500)
printf("\n(%.1f)[", float(i)/500.f);
printf("%.3f ", ctColorCurve.lutHueCurve[float(i)]);
if (i==0 || i==250 || i==500)
printf("]\n");
}
printf("\n");
}
*/
/*
// Debug output - Opacity LUTf points
if (ctOpacityCurve) {
printf("\nOpacity curve:");
for (size_t i=0; i<501; i++) {
if (i==0 || i==250 || i==500)
printf("\n(%.1f)[", float(i)/500.f);
printf("%.3f ", ctOpacityCurve.lutOpacityCurve[float(i)]);
if (i==0 || i==250 || i==500)
printf("]\n");
}
printf("\n");
}
*/
float RedLow = params->colorToning.redlow / 100.f;
float GreenLow = params->colorToning.greenlow / 100.f;
float BlueLow = params->colorToning.bluelow / 100.f;
float RedMed = params->colorToning.redmed / 100.f;
float GreenMed = params->colorToning.greenmed / 100.f;
float BlueMed = params->colorToning.bluemed / 100.f;
float RedHigh = params->colorToning.redhigh / 100.f;
float GreenHigh = params->colorToning.greenhigh / 100.f;
float BlueHigh = params->colorToning.bluehigh / 100.f;
float SatLow = float (params->colorToning.shadowsColSat.getBottom()) / 100.f;
float SatHigh = float (params->colorToning.hlColSat.getBottom()) / 100.f;
float Balan = float (params->colorToning.balance);
float chMixRR = float (params->chmixer.red[0])/10.f;
float chMixRG = float (params->chmixer.red[1])/10.f;
float chMixRB = float (params->chmixer.red[2])/10.f;
float chMixGR = float (params->chmixer.green[0])/10.f;
float chMixGG = float (params->chmixer.green[1])/10.f;
float chMixGB = float (params->chmixer.green[2])/10.f;
float chMixBR = float (params->chmixer.blue[0])/10.f;
float chMixBG = float (params->chmixer.blue[1])/10.f;
float chMixBB = float (params->chmixer.blue[2])/10.f;
bool blackwhite = params->blackwhite.enabled;
bool complem = params->blackwhite.enabledcc;
float bwr = float (params->blackwhite.mixerRed);
float bwg = float (params->blackwhite.mixerGreen);
float bwb = float (params->blackwhite.mixerBlue);
float bwrgam = float (params->blackwhite.gammaRed);
float bwggam = float (params->blackwhite.gammaGreen);
float bwbgam = float (params->blackwhite.gammaBlue);
float mixerOrange = float (params->blackwhite.mixerOrange);
float mixerYellow = float (params->blackwhite.mixerYellow);
float mixerCyan = float (params->blackwhite.mixerCyan);
float mixerMagenta = float (params->blackwhite.mixerMagenta);
float mixerPurple = float (params->blackwhite.mixerPurple);
int algm = 0;
if (params->blackwhite.method == "Desaturation") {
algm = 0;
} else if (params->blackwhite.method == "LumEqualizer") {
algm = 1;
} else if (params->blackwhite.method == "ChannelMixer") {
algm = 2;
}
float kcorec = 1.f;
//gamma correction of each channel
float gamvalr = 125.f;
float gamvalg = 125.f;
float gamvalb = 125.f;
bool computeMixerAuto = params->blackwhite.autoc && (autor < -5000.f);
if (bwrgam < 0) {
gamvalr = 100.f;
}
if (bwggam < 0) {
gamvalg = 100.f;
}
if (bwbgam < 0) {
gamvalb = 100.f;
}
float gammabwr = 1.f;
float gammabwg = 1.f;
float gammabwb = 1.f;
//if (params->blackwhite.setting=="Ma" || params->blackwhite.setting=="Mr" || params->blackwhite.setting=="Fr" || params->blackwhite.setting=="Fa") {
{
gammabwr = 1.f - bwrgam / gamvalr;
gammabwg = 1.f - bwggam / gamvalg;
gammabwb = 1.f - bwbgam / gamvalb;
}
bool hasgammabw = gammabwr != 1.f || gammabwg != 1.f || gammabwb != 1.f;
if (hasColorToning || blackwhite || (params->dirpyrequalizer.cbdlMethod == "bef" && params->dirpyrequalizer.enabled)) {
tmpImage = new Imagefloat (working->getWidth(), working->getHeight());
}
// For tonecurve histogram
int toneCurveHistSize = histToneCurve ? histToneCurve.getSize() : 0;
int histToneCurveCompression = 0;
if (toneCurveHistSize > 0) {
histToneCurve.clear();
histToneCurveCompression = log2 (65536 / toneCurveHistSize);
}
// For tonecurve histogram
const float lumimulf[3] = {static_cast<float> (lumimul[0]), static_cast<float> (lumimul[1]), static_cast<float> (lumimul[2])};
#define TS 112
#ifdef _OPENMP
#pragma omp parallel if (multiThread)
#endif
{
size_t perChannelSizeBytes = padToAlignment(sizeof (float) * TS * TS + 4 * 64);
AlignedBuffer<float> buffer(3 * perChannelSizeBytes);
char *editIFloatBuffer = nullptr;
char *editWhateverBuffer = nullptr;
float *rtemp = buffer.data;
float *gtemp = &rtemp[perChannelSizeBytes / sizeof(float)];
float *btemp = &gtemp[perChannelSizeBytes / sizeof(float)];
int istart;
int jstart;
int tW;
int tH;
// zero out the buffers
memset(rtemp, 0, 3 * perChannelSizeBytes);
// Allocating buffer for the PipetteBuffer
float *editIFloatTmpR = nullptr, *editIFloatTmpG = nullptr, *editIFloatTmpB = nullptr, *editWhateverTmp = nullptr;
if (editImgFloat) {
editIFloatBuffer = (char *) malloc (3 * sizeof (float) * TS * TS + 20 * 64 + 63);
char *data = (char*) ( ( uintptr_t (editIFloatBuffer) + uintptr_t (63)) / 64 * 64);
editIFloatTmpR = (float (*))data;
editIFloatTmpG = (float (*)) ((char*)editIFloatTmpR + sizeof (float) * TS * TS + 4 * 64);
editIFloatTmpB = (float (*)) ((char*)editIFloatTmpG + sizeof (float) * TS * TS + 8 * 64);
}
if (editWhatever) {
editWhateverBuffer = (char *) malloc (sizeof (float) * TS * TS + 20 * 64 + 63);
char *data = (char*) ( ( uintptr_t (editWhateverBuffer) + uintptr_t (63)) / 64 * 64);
editWhateverTmp = (float (*))data;
}
float out_rgbx[4 * TS] ALIGNED16; // Line buffer for CLUT
float clutr[TS] ALIGNED16;
float clutg[TS] ALIGNED16;
float clutb[TS] ALIGNED16;
LUTu histToneCurveThr;
if (toneCurveHistSize > 0) {
histToneCurveThr (toneCurveHistSize);
histToneCurveThr.clear();
}
#ifdef _OPENMP
#pragma omp for schedule(dynamic, chunkSize) collapse(2)
#endif
for (int ii = 0; ii < working->getHeight(); ii += TS)
for (int jj = 0; jj < working->getWidth(); jj += TS) {
istart = ii;
jstart = jj;
tH = min (ii + TS, working->getHeight());
tW = min (jj + TS, working->getWidth());
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
rtemp[ti * TS + tj] = working->r (i, j);
gtemp[ti * TS + tj] = working->g (i, j);
btemp[ti * TS + tj] = working->b (i, j);
}
}
if (mixchannels) {
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
float r = rtemp[ti * TS + tj];
float g = gtemp[ti * TS + tj];
float b = btemp[ti * TS + tj];
//if (i==100 & j==100) printf("rgbProc input R= %f G= %f B= %f \n",r,g,b);
float rmix = (r * chMixRR + g * chMixRG + b * chMixRB) / 100.f;
float gmix = (r * chMixGR + g * chMixGG + b * chMixGB) / 100.f;
float bmix = (r * chMixBR + g * chMixBG + b * chMixBB) / 100.f;
rtemp[ti * TS + tj] = rmix;
gtemp[ti * TS + tj] = gmix;
btemp[ti * TS + tj] = bmix;
}
}
}
highlightToneCurve(hltonecurve, rtemp, gtemp, btemp, istart, tH, jstart, tW, TS, exp_scale, comp, hlrange);
if (params->toneCurve.black != 0.0) {
shadowToneCurve(shtonecurve, rtemp, gtemp, btemp, istart, tH, jstart, tW, TS);
}
if (dcpProf) {
dcpProf->step2ApplyTile (rtemp, gtemp, btemp, tW - jstart, tH - istart, TS, asIn);
}
if (params->toneCurve.clampOOG) {
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
// clip out of gamut colors, without distorting colour too bad
float r = std::max(rtemp[ti * TS + tj], 0.f);
float g = std::max(gtemp[ti * TS + tj], 0.f);
float b = std::max(btemp[ti * TS + tj], 0.f);
if (OOG(r) || OOG(g) || OOG(b)) {
filmlike_clip(&r, &g, &b);
}
rtemp[ti * TS + tj] = r;
gtemp[ti * TS + tj] = g;
btemp[ti * TS + tj] = b;
}
}
}
if (histToneCurveThr) {
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
//brightness/contrast
float r = tonecurve[ CLIP(rtemp[ti * TS + tj]) ];
float g = tonecurve[ CLIP(gtemp[ti * TS + tj]) ];
float b = tonecurve[ CLIP(btemp[ti * TS + tj]) ];
int y = CLIP<int> (lumimulf[0] * Color::gamma2curve[rtemp[ti * TS + tj]] + lumimulf[1] * Color::gamma2curve[gtemp[ti * TS + tj]] + lumimulf[2] * Color::gamma2curve[btemp[ti * TS + tj]]);
histToneCurveThr[y >> histToneCurveCompression]++;
setUnlessOOG(rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj], r, g, b);
}
}
} else {
for (int i = istart, ti = 0; i < tH; i++, ti++) {
int j = jstart, tj = 0;
#ifdef __SSE2__
float tmpr[4] ALIGNED16;
float tmpg[4] ALIGNED16;
float tmpb[4] ALIGNED16;
for (; j < tW - 3; j+=4, tj+=4) {
//brightness/contrast
STVF(tmpr[0], tonecurve(LVF(rtemp[ti * TS + tj])));
STVF(tmpg[0], tonecurve(LVF(gtemp[ti * TS + tj])));
STVF(tmpb[0], tonecurve(LVF(btemp[ti * TS + tj])));
for (int k = 0; k < 4; ++k) {
setUnlessOOG(rtemp[ti * TS + tj + k], gtemp[ti * TS + tj + k], btemp[ti * TS + tj + k], tmpr[k], tmpg[k], tmpb[k]);
}
}
#endif
for (; j < tW; j++, tj++) {
//brightness/contrast
setUnlessOOG(rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj], tonecurve[rtemp[ti * TS + tj]], tonecurve[gtemp[ti * TS + tj]], tonecurve[btemp[ti * TS + tj]]);
}
}
}
if (editID == EUID_ToneCurve1) { // filling the pipette buffer
fillEditFloat(editIFloatTmpR, editIFloatTmpG, editIFloatTmpB, rtemp, gtemp, btemp, istart, tH, jstart, tW, TS);
}
if (hasToneCurve1) {
customToneCurve(customToneCurve1, curveMode, rtemp, gtemp, btemp, istart, tH, jstart, tW, TS, ptc1ApplyState);
}
if (editID == EUID_ToneCurve2) { // filling the pipette buffer
fillEditFloat(editIFloatTmpR, editIFloatTmpG, editIFloatTmpB, rtemp, gtemp, btemp, istart, tH, jstart, tW, TS);
}
if (hasToneCurve2) {
customToneCurve(customToneCurve2, curveMode2, rtemp, gtemp, btemp, istart, tH, jstart, tW, TS, ptc2ApplyState);
}
if (editID == EUID_RGB_R) {
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
editWhateverTmp[ti * TS + tj] = Color::gamma2curve[rtemp[ti * TS + tj]] / 65536.f;
}
}
} else if (editID == EUID_RGB_G) {
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
editWhateverTmp[ti * TS + tj] = Color::gamma2curve[gtemp[ti * TS + tj]] / 65536.f;
}
}
} else if (editID == EUID_RGB_B) {
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
editWhateverTmp[ti * TS + tj] = Color::gamma2curve[btemp[ti * TS + tj]] / 65536.f;
}
}
}
if (params->rgbCurves.enabled && (rCurve || gCurve || bCurve)) { // if any of the RGB curves is engaged
if (!params->rgbCurves.lumamode) { // normal RGB mode
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
// individual R tone curve
if (rCurve) {
setUnlessOOG(rtemp[ti * TS + tj], rCurve[ rtemp[ti * TS + tj] ]);
}
// individual G tone curve
if (gCurve) {
setUnlessOOG(gtemp[ti * TS + tj], gCurve[ gtemp[ti * TS + tj] ]);
}
// individual B tone curve
if (bCurve) {
setUnlessOOG(btemp[ti * TS + tj], bCurve[ btemp[ti * TS + tj] ]);
}
}
}
} else { //params->rgbCurves.lumamode==true (Luminosity mode)
// rCurve.dump("r_curve");//debug
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
// rgb values before RGB curves
float r = rtemp[ti * TS + tj] ;
float g = gtemp[ti * TS + tj] ;
float b = btemp[ti * TS + tj] ;
//convert to Lab to get a&b before RGB curves
float x = toxyz[0][0] * r + toxyz[0][1] * g + toxyz[0][2] * b;
float y = toxyz[1][0] * r + toxyz[1][1] * g + toxyz[1][2] * b;
float z = toxyz[2][0] * r + toxyz[2][1] * g + toxyz[2][2] * b;
float fx = x < MAXVALF ? Color::cachef[x] : 327.68f * std::cbrt (x / MAXVALF);
float fy = y < MAXVALF ? Color::cachef[y] : 327.68f * std::cbrt (y / MAXVALF);
float fz = z < MAXVALF ? Color::cachef[z] : 327.68f * std::cbrt (z / MAXVALF);
float a_1 = 500.0f * (fx - fy);
float b_1 = 200.0f * (fy - fz);
// rgb values after RGB curves
if (rCurve) {
float rNew = rCurve[r];
r += (rNew - r) * equalR;
}
if (gCurve) {
float gNew = gCurve[g];
g += (gNew - g) * equalG;
}
if (bCurve) {
float bNew = bCurve[b];
b += (bNew - b) * equalB;
}
// Luminosity after
// only Luminance in Lab
float newy = toxyz[1][0] * r + toxyz[1][1] * g + toxyz[1][2] * b;
float L_2 = newy <= MAXVALF ? Color::cachefy[newy] : 327.68f * (116.f * xcbrtf(newy / MAXVALF) - 16.f);
//gamut control
if (settings->rgbcurveslumamode_gamut) {
float Lpro = L_2 / 327.68f;
float Chpro = sqrtf (SQR (a_1) + SQR (b_1)) / 327.68f;
float HH = NAN; // we set HH to NAN, because then it will be calculated in Color::gamutLchonly only if needed
// float HH = xatan2f(b_1, a_1);
// According to mathematical laws we can get the sin and cos of HH by simple operations even if we don't calculate HH
float2 sincosval;
if (Chpro == 0.0f) {
sincosval.y = 1.0f;
sincosval.x = 0.0f;
} else {
sincosval.y = a_1 / (Chpro * 327.68f);
sincosval.x = b_1 / (Chpro * 327.68f);
}
#ifdef _DEBUG
bool neg = false;
bool more_rgb = false;
//gamut control : Lab values are in gamut
Color::gamutLchonly (HH, sincosval, Lpro, Chpro, r, g, b, wip, highlight, 0.15f, 0.96f, neg, more_rgb);
#else
//gamut control : Lab values are in gamut
Color::gamutLchonly (HH, sincosval, Lpro, Chpro, r, g, b, wip, highlight, 0.15f, 0.96f);
#endif
//end of gamut control
} else {
float x_, y_, z_;
//calculate RGB with L_2 and old value of a and b
Color::Lab2XYZ (L_2, a_1, b_1, x_, y_, z_) ;
Color::xyz2rgb (x_, y_, z_, r, g, b, wip);
}
setUnlessOOG(rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj], r, g, b);
}
}
}
}
if (editID == EUID_HSV_H || editID == EUID_HSV_S || editID == EUID_HSV_V) {
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
float h, s, v;
Color::rgb2hsv (rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj], h, s, v);
editWhateverTmp[ti * TS + tj] = h;
}
}
}
if (sat != 0 || hCurveEnabled || sCurveEnabled || vCurveEnabled) {
const float satby100 = sat / 100.f;
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
float h, s, v;
Color::rgb2hsvtc(rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj], h, s, v);
h /= 6.f;
if (sat > 0) {
s = std::max(0.f, intp(satby100, 1.f - SQR(SQR(1.f - std::min(s, 1.0f))), s));
} else { /*if (sat < 0)*/
s *= 1.f + satby100;
}
//HSV equalizer
if (hCurveEnabled) {
h = (hCurve->getVal (double (h)) - 0.5) * 2.f + h;
if (h > 1.0f) {
h -= 1.0f;
} else if (h < 0.0f) {
h += 1.0f;
}
}
if (sCurveEnabled) {
//shift saturation
float satparam = (sCurve->getVal (double (h)) - 0.5) * 2;
if (satparam > 0.00001f) {
s = (1.f - satparam) * s + satparam * (1.f - SQR (1.f - min (s, 1.0f)));
if (s < 0.f) {
s = 0.f;
}
} else if (satparam < -0.00001f) {
s *= 1.f + satparam;
}
}
if (vCurveEnabled) {
if (v < 0) {
v = 0; // important
}
//shift value
float valparam = vCurve->getVal ((double)h) - 0.5f;
valparam *= (1.f - SQR (SQR (1.f - min (s, 1.0f))));
if (valparam > 0.00001f) {
v = (1.f - valparam) * v + valparam * (1.f - SQR (1.f - min (v, 1.0f))); // SQR (SQR to increase action and avoid artifacts
if (v < 0) {
v = 0;
}
} else {
if (valparam < -0.00001f) {
v *= (1.f + valparam); //1.99 to increase action
}
}
}
Color::hsv2rgbdcp(h * 6.f, s, v, rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj]);
}
}
}
if (isProPhoto) { // this is a hack to avoid the blue=>black bug (Issue 2141)
proPhotoBlue(rtemp, gtemp, btemp, istart, tH, jstart, tW, TS);
}
if (hasColorToning && !blackwhite) {
if (params->colorToning.method == "Splitlr") {
constexpr float reducac = 0.4f;
int preser = 0;
if (params->colorToning.lumamode) {
preser = 1;
}
const float balanS = 1.f + Balan / 100.f; //balan between 0 and 2
const float balanH = 1.f - Balan / 100.f;
float rh, gh, bh;
float rl, gl, bl;
float xh, yh, zh;
float xl, yl, zl;
const float iplow = ctColorCurve.low;
const float iphigh = ctColorCurve.high;
//2 colours
ctColorCurve.getVal (iphigh, xh, yh, zh);
ctColorCurve.getVal (iplow, xl, yl, zl);
Color::xyz2rgb (xh, yh, zh, rh, gh, bh, wip);
Color::xyz2rgb (xl, yl, zl, rl, gl, bl, wip);
//reteave rgb value with s and l =1
retreavergb (rl, gl, bl);
const float krl = rl / (rl + gl + bl);
const float kgl = gl / (rl + gl + bl);
const float kbl = bl / (rl + gl + bl);
retreavergb (rh, gh, bh);
const float krh = rh / (rh + gh + bh);
const float kgh = gh / (rh + gh + bh);
const float kbh = bh / (rh + gh + bh);
constexpr int mode = 0;
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
toning2col(rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj], rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj], iplow, iphigh, krl, kgl, kbl, krh, kgh, kbh, SatLow, SatHigh, balanS, balanH, reducac, mode, preser, strProtect);
}
}
}
// colour toning with colour
else if (params->colorToning.method == "Splitco") {
constexpr float reducac = 0.3f;
constexpr int mode = 0;
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
const float r = rtemp[ti * TS + tj];
const float g = gtemp[ti * TS + tj];
const float b = btemp[ti * TS + tj];
float ro, go, bo;
toningsmh(r, g, b, ro, go, bo, RedLow, GreenLow, BlueLow, RedMed, GreenMed, BlueMed, RedHigh, GreenHigh, BlueHigh, reducac, mode, strProtect);
if (params->colorToning.lumamode) {
const float lumbefore = 0.299f * r + 0.587f * g + 0.114f * b;
const float lumafter = 0.299f * ro + 0.587f * go + 0.114f * bo;
const float preserv = lumbefore / lumafter;
ro *= preserv;
go *= preserv;
bo *= preserv;
}
setUnlessOOG(rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj], CLIP(ro), CLIP(go), CLIP(bo));
}
}
}
//colortoning with shift color XYZ or Lch
else if (params->colorToning.method == "Lab" && opautili) {
int algm = 0;
bool twocol = true;//true=500 color false=2 color
int metchrom = 0;
if (params->colorToning.twocolor == "Std" ) {
metchrom = 0;
} else if (params->colorToning.twocolor == "All" ) {
metchrom = 1;
} else if (params->colorToning.twocolor == "Separ") {
metchrom = 2;
} else if (params->colorToning.twocolor == "Two" ) {
metchrom = 3;
}
if (metchrom == 3) {
twocol = false;
}
float iplow = 0.f, iphigh = 0.f;
if (!twocol) {
iplow = (float)ctColorCurve.low;
iphigh = (float)ctColorCurve.high;
}
int twoc = 0; //integer instead of bool to let more possible choice...other than 2 and 500.
if (!twocol) {
twoc = 0; // 2 colours
} else {
twoc = 1; // 500 colours
}
if (params->colorToning.method == "Lab") {
algm = 1;
} else if (params->colorToning.method == "Lch") {
algm = 2; //in case of
}
if (algm <= 2) {
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
float r = rtemp[ti * TS + tj];
float g = gtemp[ti * TS + tj];
float b = btemp[ti * TS + tj];
float ro, go, bo;
labtoning (r, g, b, ro, go, bo, algm, metchrom, twoc, satLimit, satLimitOpacity, ctColorCurve, ctOpacityCurve, clToningcurve, cl2Toningcurve, iplow, iphigh, wp, wip);
setUnlessOOG(rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj], ro, go, bo);
}
}
}
} else if (params->colorToning.method.substr (0, 3) == "RGB" && opautili) {
// color toning
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
float r = rtemp[ti * TS + tj];
float g = gtemp[ti * TS + tj];
float b = btemp[ti * TS + tj];
// Luminance = (0.299f*r + 0.587f*g + 0.114f*b)
float s, l;
Color::rgb2slfloat (r, g, b, s, l);
float l_ = Color::gammatab_srgb1[l * 65535.f];
// get the opacity and tweak it to preserve saturated colors
float opacity = 0.f;
if (ctOpacityCurve) {
opacity = (1.f - min<float> (s / satLimit, 1.f) * (1.f - satLimitOpacity)) * ctOpacityCurve.lutOpacityCurve[l_ * 500.f];
}
float r2, g2, b2;
ctColorCurve.getVal (l_, r2, g2, b2); // get the color from the color curve
float h2, s2, l2;
Color::rgb2hslfloat (r2, g2, b2, h2, s2, l2); // transform this new color to hsl
Color::hsl2rgbfloat (h2, s + ((1.f - s) * (1.f - l) * 0.7f), l, r2, g2, b2);
rtemp[ti * TS + tj] = r + (r2 - r) * opacity; // merge the color to the old color, depending on the opacity
gtemp[ti * TS + tj] = g + (g2 - g) * opacity;
btemp[ti * TS + tj] = b + (b2 - b) * opacity;
}
}
}
}
// filling the pipette buffer
if (editID == EUID_BlackWhiteBeforeCurve) {
fillEditFloat(editIFloatTmpR, editIFloatTmpG, editIFloatTmpB, rtemp, gtemp, btemp, istart, tH, jstart, tW, TS);
} else if (editID == EUID_BlackWhiteLuminance) {
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
float X, Y, Z, L, aa, bb;
//rgb=>lab
Color::rgbxyz (rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj], X, Y, Z, wp);
//convert Lab
Color::XYZ2Lab (X, Y, Z, L, aa, bb);
//end rgb=>lab
float HH = xatan2f (bb, aa); // HH hue in -3.141 +3.141
editWhateverTmp[ti * TS + tj] = float (Color::huelab_to_huehsv2 (HH));
}
}
}
//black and white
if (blackwhite) {
if (hasToneCurvebw1) {
if (beforeCurveMode == BlackWhiteParams::TcMode::STD_BW) { // Standard
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
const StandardToneCurve& userToneCurvebw = static_cast<const StandardToneCurve&> (customToneCurvebw1);
userToneCurvebw.Apply (rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj]);
}
}
} else if (beforeCurveMode == BlackWhiteParams::TcMode::FILMLIKE_BW) { // Adobe like
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
const AdobeToneCurve& userToneCurvebw = static_cast<const AdobeToneCurve&> (customToneCurvebw1);
userToneCurvebw.Apply (rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj]);
}
}
} else if (beforeCurveMode == BlackWhiteParams::TcMode::SATANDVALBLENDING_BW) { // apply the curve on the saturation and value channels
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
const SatAndValueBlendingToneCurve& userToneCurvebw = static_cast<const SatAndValueBlendingToneCurve&> (customToneCurvebw1);
// rtemp[ti * TS + tj] = CLIP<float> (rtemp[ti * TS + tj]);
// gtemp[ti * TS + tj] = CLIP<float> (gtemp[ti * TS + tj]);
// btemp[ti * TS + tj] = CLIP<float> (btemp[ti * TS + tj]);
userToneCurvebw.Apply (rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj]);
}
}
} else if (beforeCurveMode == BlackWhiteParams::TcMode::WEIGHTEDSTD_BW) { // apply the curve to the rgb channels, weighted
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
const WeightedStdToneCurve& userToneCurvebw = static_cast<const WeightedStdToneCurve&> (customToneCurvebw1);
// rtemp[ti * TS + tj] = CLIP<float> (rtemp[ti * TS + tj]);
// gtemp[ti * TS + tj] = CLIP<float> (gtemp[ti * TS + tj]);
// btemp[ti * TS + tj] = CLIP<float> (btemp[ti * TS + tj]);
userToneCurvebw.Apply (rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj]);
}
}
}
}
if (algm == 0) { //lightness
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
float r = rtemp[ti * TS + tj];
float g = gtemp[ti * TS + tj];
float b = btemp[ti * TS + tj];
// --------------------------------------------------
// Method 1: Luminosity (code taken from Gimp)
/*
float maxi = max(r, g, b);
float mini = min(r, g, b);
r = g = b = (maxi+mini)/2;
*/
// Method 2: Luminance (former RT code)
r = g = b = (0.299f * r + 0.587f * g + 0.114f * b);
// --------------------------------------------------
#ifndef __SSE2__
//gamma correction: pseudo TRC curve
if (hasgammabw) {
Color::trcGammaBW (r, g, b, gammabwr, gammabwg, gammabwb);
}
#endif
rtemp[ti * TS + tj] = r;
gtemp[ti * TS + tj] = g;
btemp[ti * TS + tj] = b;
}
#ifdef __SSE2__
if (hasgammabw) {
//gamma correction: pseudo TRC curve
Color::trcGammaBWRow (&rtemp[ti * TS], &gtemp[ti * TS], &btemp[ti * TS], tW - jstart, gammabwr, gammabwg, gammabwb);
}
#endif
}
} else if (algm == 1) { //Luminance mixer in Lab mode to avoid artifacts
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
//rgb => xyz
float X, Y, Z;
Color::rgbxyz (rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj], X, Y, Z, wp);
//xyz => Lab
float L, aa, bb;
Color::XYZ2Lab (X, Y, Z, L, aa, bb);
float CC = sqrtf (SQR (aa) + SQR (bb)) / 327.68f; //CC chromaticity in 0..180 or more
float HH = xatan2f (bb, aa); // HH hue in -3.141 +3.141
float2 sincosval;
if (CC == 0.0f) {
sincosval.y = 1.f;
sincosval.x = 0.0f;
} else {
sincosval.y = aa / (CC * 327.68f);
sincosval.x = bb / (CC * 327.68f);
}
if (bwlCurveEnabled) {
L /= 32768.f;
double hr = Color::huelab_to_huehsv2 (HH);
float valparam = float ((bwlCurve->getVal (hr) - 0.5f) * 2.0f); //get l_r=f(H)
float kcc = (CC / 70.f); //take Chroma into account...70 "middle" of chromaticity (arbitrary and simple), one can imagine other algorithme
//reduct action for low chroma and increase action for high chroma
valparam *= kcc;
if (valparam > 0.f) {
L = (1.f - valparam) * L + valparam * (1.f - SQR (SQR (SQR (SQR (1.f - min (L, 1.0f)))))); // SQR (SQR((SQR) to increase action in low light
} else {
L *= (1.f + valparam); //for negative
}
L *= 32768.f;
}
float RR, GG, BB;
L /= 327.68f;
#ifdef _DEBUG
bool neg = false;
bool more_rgb = false;
//gamut control : Lab values are in gamut
Color::gamutLchonly (HH, sincosval, L, CC, RR, GG, BB, wip, highlight, 0.15f, 0.96f, neg, more_rgb);
#else
//gamut control : Lab values are in gamut
Color::gamutLchonly (HH, sincosval, L, CC, RR, GG, BB, wip, highlight, 0.15f, 0.96f);
#endif
L *= 327.68f;
//convert l => rgb
Color::L2XYZ (L, X, Y, Z);
float newRed; // We use the red channel for bw
Color::xyz2r (X, Y, Z, newRed, wip);
rtemp[ti * TS + tj] = gtemp[ti * TS + tj] = btemp[ti * TS + tj] = newRed;
#ifndef __SSE2__
if (hasgammabw) {
//gamma correction: pseudo TRC curve
Color::trcGammaBW (rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj], gammabwr, gammabwg, gammabwb);
}
#endif
}
#ifdef __SSE2__
if (hasgammabw) {
//gamma correction: pseudo TRC curve
Color::trcGammaBWRow (&rtemp[ti * TS], &gtemp[ti * TS], &btemp[ti * TS], tW - jstart, gammabwr, gammabwg, gammabwb);
}
#endif
}
}
}
// Film Simulations
if (hald_clut) {
for (int i = istart, ti = 0; i < tH; i++, ti++) {
if (!clutAndWorkingProfilesAreSame) {
// Convert from working to clut profile
int j = jstart;
int tj = 0;
#ifdef __SSE2__
for (; j < tW - 3; j += 4, tj += 4) {
vfloat sourceR = LVF (rtemp[ti * TS + tj]);
vfloat sourceG = LVF (gtemp[ti * TS + tj]);
vfloat sourceB = LVF (btemp[ti * TS + tj]);
vfloat x;
vfloat y;
vfloat z;
Color::rgbxyz (sourceR, sourceG, sourceB, x, y, z, v_work2xyz);
Color::xyz2rgb (x, y, z, sourceR, sourceG, sourceB, v_xyz2clut);
STVF (clutr[tj], sourceR);
STVF (clutg[tj], sourceG);
STVF (clutb[tj], sourceB);
}
#endif
for (; j < tW; j++, tj++) {
float sourceR = rtemp[ti * TS + tj];
float sourceG = gtemp[ti * TS + tj];
float sourceB = btemp[ti * TS + tj];
float x, y, z;
Color::rgbxyz ( sourceR, sourceG, sourceB, x, y, z, wprof );
Color::xyz2rgb (x, y, z, clutr[tj], clutg[tj], clutb[tj], xyz2clut);
}
} else {
memcpy(clutr, &rtemp[ti * TS], sizeof(float) * TS);
memcpy(clutg, &gtemp[ti * TS], sizeof(float) * TS);
memcpy(clutb, &btemp[ti * TS], sizeof(float) * TS);
}
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
float &sourceR = clutr[tj];
float &sourceG = clutg[tj];
float &sourceB = clutb[tj];
// Apply gamma sRGB (default RT)
sourceR = Color::gamma_srgbclipped (sourceR);
sourceG = Color::gamma_srgbclipped (sourceG);
sourceB = Color::gamma_srgbclipped (sourceB);
}
hald_clut->getRGB (
film_simulation_strength,
std::min (TS, tW - jstart),
clutr,
clutg,
clutb,
out_rgbx
);
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
float &sourceR = clutr[tj];
float &sourceG = clutg[tj];
float &sourceB = clutb[tj];
// Apply inverse gamma sRGB
sourceR = Color::igamma_srgb (out_rgbx[tj * 4 + 0]);
sourceG = Color::igamma_srgb (out_rgbx[tj * 4 + 1]);
sourceB = Color::igamma_srgb (out_rgbx[tj * 4 + 2]);
}
if (!clutAndWorkingProfilesAreSame) {
// Convert from clut to working profile
int j = jstart;
int tj = 0;
#ifdef __SSE2__
for (; j < tW - 3; j += 4, tj += 4) {
vfloat sourceR = LVF (clutr[tj]);
vfloat sourceG = LVF (clutg[tj]);
vfloat sourceB = LVF (clutb[tj]);
vfloat x;
vfloat y;
vfloat z;
Color::rgbxyz (sourceR, sourceG, sourceB, x, y, z, v_clut2xyz);
Color::xyz2rgb (x, y, z, sourceR, sourceG, sourceB, v_xyz2work);
STVF (clutr[tj], sourceR);
STVF (clutg[tj], sourceG);
STVF (clutb[tj], sourceB);
}
#endif
for (; j < tW; j++, tj++) {
float &sourceR = clutr[tj];
float &sourceG = clutg[tj];
float &sourceB = clutb[tj];
float x, y, z;
Color::rgbxyz (sourceR, sourceG, sourceB, x, y, z, clut2xyz);
Color::xyz2rgb ( x, y, z, sourceR, sourceG, sourceB, wiprof );
}
}
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
setUnlessOOG(rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj], clutr[tj], clutg[tj], clutb[tj]);
}
}
}
//softLight(rtemp, gtemp, btemp, istart, jstart, tW, tH, TS);
if (!blackwhite) {
if (editImgFloat || editWhatever) {
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
// filling the pipette buffer by the content of the temp pipette buffers
if (editImgFloat) {
editImgFloat->r (i, j) = editIFloatTmpR[ti * TS + tj];
editImgFloat->g (i, j) = editIFloatTmpG[ti * TS + tj];
editImgFloat->b (i, j) = editIFloatTmpB[ti * TS + tj];
} else if (editWhatever) {
editWhatever->v (i, j) = editWhateverTmp[ti * TS + tj];
}
}
}
}
// ready, fill lab
for (int i = istart, ti = 0; i < tH; i++, ti++) {
Color::RGB2Lab(&rtemp[ti * TS], &gtemp[ti * TS], &btemp[ti * TS], &(lab->L[i][jstart]), &(lab->a[i][jstart]), &(lab->b[i][jstart]), toxyz, tW - jstart);
}
if (hasColorToningLabGrid) {
colorToningLabGrid(lab, jstart, tW, istart, tH, false);
}
} else { // black & white
// Auto channel mixer needs whole image, so we now copy to tmpImage and close the tiled processing
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
// filling the pipette buffer by the content of the temp pipette buffers
if (editImgFloat) {
editImgFloat->r (i, j) = editIFloatTmpR[ti * TS + tj];
editImgFloat->g (i, j) = editIFloatTmpG[ti * TS + tj];
editImgFloat->b (i, j) = editIFloatTmpB[ti * TS + tj];
} else if (editWhatever) {
editWhatever->v (i, j) = editWhateverTmp[ti * TS + tj];
}
tmpImage->r (i, j) = rtemp[ti * TS + tj];
tmpImage->g (i, j) = gtemp[ti * TS + tj];
tmpImage->b (i, j) = btemp[ti * TS + tj];
}
}
}
}
if (editIFloatBuffer) {
free (editIFloatBuffer);
}
if (editWhateverBuffer) {
free (editWhateverBuffer);
}
#ifdef _OPENMP
#pragma omp critical
{
if (toneCurveHistSize > 0) {
histToneCurve += histToneCurveThr;
}
}
#endif // _OPENMP
}
// starting a new tile processing with a 'reduction' clause for the auto mixer computing
if (blackwhite) {//channel-mixer
int tW = working->getWidth();
int tH = working->getHeight();
if (algm == 2) { //channel-mixer
//end auto chmix
if (computeMixerAuto) {
// auto channel-mixer
double nr = 0;
double ng = 0;
double nb = 0;
#ifdef _OPENMP
#pragma omp parallel for schedule(dynamic, 16) reduction(+:nr,ng,nb)
#endif
for (int i = 0; i < tH; i++) {
for (int j = 0; j < tW; j++) {
nr += tmpImage->r (i, j);
ng += tmpImage->g (i, j);
nb += tmpImage->b (i, j);
}
}
double srgb = nr + ng + nb;
double knr = srgb / nr;
double kng = srgb / ng;
double knb = srgb / nb;
double sk = knr + kng + knb;
autor = (float) (100.0 * knr / sk);
autog = (float) (100.0 * kng / sk);
autob = (float) (100.0 * knb / sk);
}
if (params->blackwhite.autoc) {
// auto channel-mixer
bwr = autor;
bwg = autog;
bwb = autob;
mixerOrange = 33.f;
mixerYellow = 33.f;
mixerMagenta = 33.f;
mixerPurple = 33.f;
mixerCyan = 33.f;
}
float filcor;
Color::computeBWMixerConstants (params->blackwhite.setting, params->blackwhite.filter, params->blackwhite.algo, filcor,
bwr, bwg, bwb, mixerOrange, mixerYellow, mixerCyan, mixerPurple, mixerMagenta,
params->blackwhite.autoc, complem, kcorec, rrm, ggm, bbm);
#ifdef _OPENMP
#pragma omp parallel for schedule(dynamic, 16)
#endif
for (int i = 0; i < tH; i++) {
for (int j = 0; j < tW; j++) {
//mix channel
tmpImage->r (i, j) = tmpImage->g (i, j) = tmpImage->b (i, j) = /*CLIP*/ ((bwr * tmpImage->r (i, j) + bwg * tmpImage->g (i, j) + bwb * tmpImage->b (i, j)) * kcorec);
#ifndef __SSE2__
//gamma correction: pseudo TRC curve
if (hasgammabw) {
Color::trcGammaBW (tmpImage->r (i, j), tmpImage->g (i, j), tmpImage->b (i, j), gammabwr, gammabwg, gammabwb);
}
#endif
}
#ifdef __SSE2__
if (hasgammabw) {
//gamma correction: pseudo TRC curve
Color::trcGammaBWRow (tmpImage->r (i), tmpImage->g (i), tmpImage->b (i), tW, gammabwr, gammabwg, gammabwb);
}
#endif
}
}
if (editID == EUID_BlackWhiteAfterCurve) {
#ifdef _OPENMP
#pragma omp parallel for schedule(dynamic, 5)
#endif
for (int i = 0; i < tH; i++) {
for (int j = 0; j < tW; j++) {
editWhatever->v (i, j) = Color::gamma2curve[tmpImage->r (i, j)] / 65535.f; // assuming that r=g=b
}
}
}
if (hasToneCurvebw2) {
if (afterCurveMode == BlackWhiteParams::TcMode::STD_BW) { // Standard
#ifdef _OPENMP
#pragma omp parallel for schedule(dynamic, 5)
#endif
for (int i = 0; i < tH; i++) {
for (int j = 0; j < tW; j++) {
const StandardToneCurve& userToneCurve = static_cast<const StandardToneCurve&> (customToneCurvebw2);
userToneCurve.Apply (tmpImage->r (i, j), tmpImage->g (i, j), tmpImage->b (i, j));
}
}
} else if (afterCurveMode == BlackWhiteParams::TcMode::WEIGHTEDSTD_BW) { // apply the curve to the rgb channels, weighted
#ifdef _OPENMP
#pragma omp parallel for schedule(dynamic, 5)
#endif
for (int i = 0; i < tH; i++) { //for ulterior usage if bw data modified
for (int j = 0; j < tW; j++) {
const WeightedStdToneCurve& userToneCurve = static_cast<const WeightedStdToneCurve&> (customToneCurvebw2);
// tmpImage->r (i, j) = CLIP<float> (tmpImage->r (i, j));
// tmpImage->g (i, j) = CLIP<float> (tmpImage->g (i, j));
// tmpImage->b (i, j) = CLIP<float> (tmpImage->b (i, j));
userToneCurve.Apply (tmpImage->r (i, j), tmpImage->g (i, j), tmpImage->b (i, j));
}
}
}
}
//colour toning with black and white
if (hasColorToning) {
if (params->colorToning.method == "Splitco") {
constexpr float reducac = 0.5f;
constexpr int mode = 1;
#ifdef _OPENMP
#pragma omp parallel for schedule(dynamic, 5)
#endif
for (int i = 0; i < tH; i++) {
for (int j = 0; j < tW; j++) {
const float r = tmpImage->r (i, j);
const float g = tmpImage->g (i, j);
const float b = tmpImage->b (i, j);
const float lumbefore = 0.299f * r + 0.587f * g + 0.114f * b;
if (lumbefore < 65000.f && lumbefore > 500.f) { //reduce artifacts for highlights and extreme shadows
float ro, go, bo;
toningsmh(r, g, b, ro, go, bo, RedLow, GreenLow, BlueLow, RedMed, GreenMed, BlueMed, RedHigh, GreenHigh, BlueHigh, reducac, mode, strProtect);
if (params->colorToning.lumamode) {
const float lumafter = 0.299f * ro + 0.587f * go + 0.114f * bo;
const float preserv = lumbefore / lumafter;
ro *= preserv;
go *= preserv;
bo *= preserv;
}
tmpImage->r(i, j) = /*CLIP*/(ro);
tmpImage->g(i, j) = /*CLIP*/(go);
tmpImage->b(i, j) = /*CLIP*/(bo);
}
}
}
}
else if (params->colorToning.method == "Splitlr") {
constexpr float reducac = 0.4f;
int preser = 0;
if (params->colorToning.lumamode) {
preser = 1;
}
const float balanS = 1.f + Balan / 100.f; //balan between 0 and 2
const float balanH = 1.f - Balan / 100.f;
float rh, gh, bh;
float rl, gl, bl;
float xh, yh, zh;
float xl, yl, zl;
const float iplow = ctColorCurve.low;
const float iphigh = ctColorCurve.high;
//2 colours
ctColorCurve.getVal (iphigh, xh, yh, zh);
ctColorCurve.getVal (iplow, xl, yl, zl);
Color::xyz2rgb (xh, yh, zh, rh, gh, bh, wip);
Color::xyz2rgb (xl, yl, zl, rl, gl, bl, wip);
//retrieve rgb value with s and l =1
retreavergb (rl, gl, bl);
const float krl = rl / (rl + gl + bl);
const float kgl = gl / (rl + gl + bl);
const float kbl = bl / (rl + gl + bl);
retreavergb (rh, gh, bh);
const float krh = rh / (rh + gh + bh);
const float kgh = gh / (rh + gh + bh);
const float kbh = bh / (rh + gh + bh);
constexpr int mode = 1;
#ifdef _OPENMP
#pragma omp parallel for schedule(dynamic, 5)
#endif
for (int i = 0; i < tH; i++) {
for (int j = 0; j < tW; j++) {
toning2col(tmpImage->r(i, j), tmpImage->g(i, j), tmpImage->b(i, j), tmpImage->r(i, j), tmpImage->g(i, j), tmpImage->b(i, j), iplow, iphigh, krl, kgl, kbl, krh, kgh, kbh, SatLow, SatHigh, balanS, balanH, reducac, mode, preser, strProtect);
}
}
}
//colortoning with shift color Lab
else if (params->colorToning.method == "Lab" && opautili) {
int algm = 0;
bool twocol = true;
int metchrom = 0;
if (params->colorToning.twocolor == "Std" ) {
metchrom = 0;
} else if (params->colorToning.twocolor == "All" ) {
metchrom = 1;
} else if (params->colorToning.twocolor == "Separ") {
metchrom = 2;
} else if (params->colorToning.twocolor == "Two" ) {
metchrom = 3;
}
if (metchrom == 3) {
twocol = false;
}
float iplow = 0.f, iphigh = 0.f;
if (!twocol) {
iplow = (float)ctColorCurve.low;
iphigh = (float)ctColorCurve.high;
}
int twoc = 0; //integer instead of bool to let more possible choice...other than 2 and 500.
if (!twocol) {
twoc = 0; // 2 colours
} else {
twoc = 1; // 500 colours
}
if (params->colorToning.method == "Lab") {
algm = 1;
} else if (params->colorToning.method == "Lch") {
algm = 2; //in case of
}
if (algm <= 2) {
#ifdef _OPENMP
#pragma omp parallel for schedule(dynamic, 5)
#endif
for (int i = 0; i < tH; i++) {
for (int j = 0; j < tW; j++) {
float r = tmpImage->r (i, j);
float g = tmpImage->g (i, j);
float b = tmpImage->b (i, j);
float ro, bo, go;
labtoning (r, g, b, ro, go, bo, algm, metchrom, twoc, satLimit, satLimitOpacity, ctColorCurve, ctOpacityCurve, clToningcurve, cl2Toningcurve, iplow, iphigh, wp, wip);
setUnlessOOG(tmpImage->r(i, j), tmpImage->g(i, j), tmpImage->b(i, j), ro, go, bo);
}
}
}
}
else if (params->colorToning.method.substr (0, 3) == "RGB" && opautili) {
// color toning
#ifdef _OPENMP
#pragma omp parallel for schedule(dynamic, 5)
#endif
for (int i = 0; i < tH; i++) {
for (int j = 0; j < tW; j++) {
float r = tmpImage->r(i, j);
float g = tmpImage->g(i, j);
float b = tmpImage->b(i, j);
// Luminance = (0.299f*r + 0.587f*g + 0.114f*b)
float s, l;
Color::rgb2slfloat(r, g, b, s, l);
float l_ = Color::gammatab_srgb1[l * 65535.f];
// get the opacity and tweak it to preserve saturated colours
float opacity = ctOpacityCurve.lutOpacityCurve[l_ * 500.f] / 4.f;
float r2, g2, b2;
ctColorCurve.getVal(l_, r2, g2, b2); // get the colour from the colour curve
float h2, s2, l2;
Color::rgb2hslfloat(r2, g2, b2, h2, s2, l2); // transform this new colour to hsl
Color::hsl2rgbfloat(h2, s2, l, r2, g2, b2);
tmpImage->r(i, j) = intp(opacity, r2, r);
tmpImage->g(i, j) = intp(opacity, g2, g);
tmpImage->b(i, j) = intp(opacity, b2, b);
}
}
}
}
// filling the pipette buffer by the content of the temp pipette buffers
// due to optimization, we have to test now if the pipette has been filled in the second tile loop, by
// testing editID
/*if (editImgFloat) {
for (int i=istart,ti=0; i<tH; i++,ti++)
for (int j=jstart,tj=0; j<tW; j++,tj++) {
editImgFloat->r(i,j) = editIFloatTmpR[ti*TS+tj];
editImgFloat->g(i,j) = editIFloatTmpG[ti*TS+tj];
editImgFloat->b(i,j) = editIFloatTmpB[ti*TS+tj];
}
}
else*/
/*
if (editWhatever && (editID==EUID_BlackWhiteAfterCurve)) {
for (int i=istart,ti=0; i<tH; i++,ti++)
for (int j=jstart,tj=0; j<tW; j++,tj++) {
editWhatever->v(i,j) = editWhateverTmp[ti*TS+tj];
}
}
*/
// ready, fill lab (has to be the same code than the "fill lab" above!)
#ifdef _OPENMP
#pragma omp parallel for schedule(dynamic, 5)
#endif
for (int i = 0; i < tH; i++) {
Color::RGB2Lab(tmpImage->r(i), tmpImage->g(i), tmpImage->b(i), lab->L[i], lab->a[i], lab->b[i], toxyz, tW);
if (hasColorToningLabGrid) {
colorToningLabGrid(lab, 0, tW, i, i + 1, false);
}
}
}
if (tmpImage) {
delete tmpImage;
}
if (hCurveEnabled) {
delete hCurve;
}
if (sCurveEnabled) {
delete sCurve;
}
if (vCurveEnabled) {
delete vCurve;
}
shadowsHighlights(lab);
if (params->localContrast.enabled) {
// Alberto's local contrast
localContrast(lab);
}
}
/**
* @brief retreave RGB value with maximum saturation
* @param r red input and in exit new r
* @param g green input and in exit new g
* @param b blue input and in exit new b
**/
void ImProcFunctions::retreavergb (float &r, float &g, float &b)
{
float mini = min (r, g, b);
float maxi = max (r, g, b);
float kkm = 65535.f / maxi;
if (b == mini && r == maxi) {
r = 65535.f;
g = kkm * (g - b);
b = 0.f;
} else if (b == mini && g == maxi) {
g = 65535.f;
r = kkm * (r - b);
b = 0.f;
} else if (g == mini && r == maxi) {
r = 65535.f;
b = kkm * (b - g);
g = 0.f;
} else if (g == mini && b == maxi) {
b = 65535.f;
r = kkm * (r - g);
g = 0.f;
} else if (r == mini && b == maxi) {
b = 65535.f;
g = kkm * (g - r);
r = 0.f;
} else if (r == mini && g == maxi) {
g = 65535.f;
b = kkm * (b - r);
r = 0.f;
}
}
/**
* @brief Interpolate by decreasing with a parabol k = aa*v*v + bb*v +c v[0..1]
* @param reducac value of the reduction in the middle of the range
* @param vinf value [0..1] for beginning decrease
* @param aa second degree parameter
* @param bb first degree parameter
* @param cc third parameter
**/
void ImProcFunctions::secondeg_end (float reducac, float vinf, float &aa, float &bb, float &cc)
{
float zrd = reducac; //value at me linear =0.5
float v0 = vinf; //max shadows
float me = (1.f + v0) / 2.f; //"median" value = (v0 + 1.=/2)
//float a1=1.f-v0;
float a2 = me - v0;
float a3 = 1.f - v0 * v0;
float a4 = me * me - v0 * v0;
aa = (1.f + (zrd - 1.f) * (1 - v0) / a2) / (a4 * (1.f - v0) / a2 - a3);
bb = - (1.f + a3 * aa) / (1.f - v0);
cc = - (aa + bb);
}
/**
* @brief Interpolate by increasing with a parabol k = aa*v*v + bb*v v[0..1]
* @param reducac value of the reduction in the middle of the range
* @param vend value [0..1] for beginning increase
* @param aa second degree parameter
* @param bb first degree parameter
**/
void ImProcFunctions::secondeg_begin (float reducac, float vend, float &aam, float &bbm)
{
aam = (2.f - 4.f * reducac) / (vend * vend);
bbm = 1.f / vend - aam * vend;
}
/**
* @brief color toning with 9 sliders shadows middletones highlight
* @param r red input values [0..65535]
* @param g green input values [0..65535]
* @param b blue input values [0..65535]
* @param ro red output values [0..65535]
* @param go green output values [0..65535]
* @param bo blue output values [0..65535]
* @param RedLow [-1..1] value after transformations of sliders [-100..100] for shadows
* @param GreenLow [-1..1] value after transformations of sliders [-100..100] for shadows
* @param BlueLow [-1..1] value after transformations of sliders [-100..100] for shadows
* @param RedMed [-1..1] value after transformations of sliders [-100..100] for midtones
* @param GreenMed [-1..1] value after transformations of sliders [-100..100] for midtones
* @param BlueMed [-1..1] value after transformations of sliders [-100..100] for midtones
* @param RedHigh [-1..1] value after transformations of sliders [-100..100] for highlights
* @param GreenHigh [-1..1] value after transformations of sliders [-100..100] for highlights
* @param BlueHigh [-1..1] value after transformations of sliders [-100..100] for highlights
* @param reducac value of the reduction in the middle of the range for second degree increse or decrease action
* @param mode 0 = colour, 1 = Black and White
* @param strProtect ?
**/
void ImProcFunctions::toningsmh(float r, float g, float b, float &ro, float &go, float &bo, float RedLow, float GreenLow, float BlueLow, float RedMed, float GreenMed, float BlueMed, float RedHigh, float GreenHigh, float BlueHigh, float reducac, int mode, float strProtect)
{
const float v = max(r, g, b) / 65535.f;
float kl = 1.f;
float rlo; //0.4 0.5
float rlm; //1.1
float rlh; //1.1
if (mode == 0) { //colour
rlo = strProtect; //0.5 ==> 0.75
rlh = 2.2f * strProtect;
rlm = 1.5f * strProtect;
constexpr float v0 = 0.15f;
//second degree
if (v > v0) {
float aa, bb, cc;
secondeg_end (reducac, v0, aa, bb, cc);
kl = aa * v * v + bb * v + cc; //verified ==> exact
} else {
float aab, bbb;
secondeg_begin (0.7f, v0, aab, bbb);
kl = aab * v * v + bbb * v;
}
} else { //bw coefficient to preserve same results as before for satlimtopacity = 0.5 (default)
rlo = strProtect * 0.8f; //0.4
rlm = strProtect * 2.2f; //1.1
rlh = strProtect * 2.4f; //1.2
if (v > 0.15f) {
kl = (-1.f / 0.85f) * v + 1.f / 0.85f; //Low light ==> decrease action after v=0.15
}
}
{
const float corr = 20000.f * RedLow * kl * rlo;
if (RedLow > 0.f) {
r += corr;
} else {
g -= corr;
b -= corr;
}
// r = CLIP(r);
// g = CLIP(g);
// b = CLIP(b);
}
{
const float corr = 20000.f * GreenLow * kl * rlo;
if (GreenLow > 0.f) {
g += corr;
} else {
r -= corr;
b -= corr;
}
// r = CLIP(r);
// g = CLIP(g);
// b = CLIP(b);
}
{
const float corr = 20000.f * BlueLow * kl * rlo;
if (BlueLow > 0.f) {
b += corr;
} else {
r -= corr;
g -= corr;
}
// r = CLIP(r);
// g = CLIP(g);
// b = CLIP(b);
}
// mid tones
float km;
constexpr float v0m = 0.5f; //max action
if (v < v0m) {
float aam, bbm;
float vend = v0m;
secondeg_begin (reducac, vend, aam, bbm);
km = aam * v * v + bbm * v; //verification = good
} else {
float v0mm = 0.5f; //max
float aamm, bbmm, ccmm;
secondeg_end (reducac, v0mm, aamm, bbmm, ccmm);
km = aamm * v * v + bbmm * v + ccmm; //verification good
}
{
const float RedM = RedMed * km * rlm;
if (RedMed > 0.f) {
r += 20000.f * RedM;
g -= 10000.f * RedM;
b -= 10000.f * RedM;
} else {
r += 10000.f * RedM;
g -= 20000.f * RedM;
b -= 20000.f * RedM;
}
// r = CLIP(r);
// g = CLIP(g);
// b = CLIP(b);
}
{
const float GreenM = GreenMed * km * rlm;
if (GreenMed > 0.f) {
r -= 10000.f * GreenM;
g += 20000.f * GreenM;
b -= 10000.f * GreenM;
} else {
r -= 20000.f * GreenM;
g += 10000.f * GreenM;
b -= 20000.f * GreenM;
}
// r = CLIP(r);
// g = CLIP(g);
// b = CLIP(b);
}
{
const float BlueM = BlueMed * km * rlm;
if (BlueMed > 0.f) {
r -= 10000.f * BlueM;
g -= 10000.f * BlueM;
b += 20000.f * BlueM;
} else {
r -= 20000.f * BlueM;
g -= 20000.f * BlueM;
b += 10000.f * BlueM;
}
// r = CLIP(r);
// g = CLIP(g);
// b = CLIP(b);
}
//high tones
constexpr float v00 = 0.8f; //max action
float aa0, bb0;
secondeg_begin (reducac, v00, aa0, bb0);
float kh;
if (v > v00) { //max action
kh = (1.f - v) / (1.f - v00); //High tones
} else {
kh = v * (aa0 * v + bb0); //verification = good
}
{
const float corr = 20000.f * RedHigh * kh * rlh; //1.2
if (RedHigh > 0.f) {
r += corr;
} else {
g -= corr;
b -= corr;
}
// r = CLIP(r);
// g = CLIP(g);
// b = CLIP(b);
}
{
const float corr = 20000.f * GreenHigh * kh * rlh; //1.2
if (GreenHigh > 0.f) {
g += corr;
} else {
r -= corr;
b -= corr;
}
// r = CLIP(r);
// g = CLIP(g);
// b = CLIP(b);
}
{
const float corr = 20000.f * BlueHigh * kh * rlh; //1.2
if (BlueHigh > 0.f) {
b += corr;
} else {
r -= corr;
g -= corr;
}
// r = CLIP(r);
// g = CLIP(g);
// b = CLIP(b);
}
ro = r;
go = g;
bo = b;
}
/**
* @brief color toning with 2 colors - 2 sliders saturation shadows and highlight and one balance
* @param r g b input values [0..65535]
* @param ro go bo output values [0..65535]
* @param iplow iphigh [0..1] from curve color - value of luminance shadows and highlights
* @param rl gl bl [0..65535] - color of reference shadow
* @param rh gh bh [0..65535] - color of reference highlight
* @param SatLow SatHigh [0..1] from sliders saturation shadows and highlight
* @param balanS [0..1] balance for shadows (one slider)
* @param balanH [0..1] balance for highlights (same slider than for balanS)
* @param reducac value of the reduction in the middle of the range for second degree, increase or decrease action
**/
void ImProcFunctions::toning2col (float r, float g, float b, float &ro, float &go, float &bo, float iplow, float iphigh, float krl, float kgl, float kbl, float krh, float kgh, float kbh, float SatLow, float SatHigh, float balanS, float balanH, float reducac, int mode, int preser, float strProtect)
{
const float lumbefore = 0.299f * r + 0.587f * g + 0.114f * b;
const float v = max(r, g, b) / 65535.f;
const float rlo = strProtect; //0.5 ==> 0.75 transferred value for more action
const float rlh = 2.2f * strProtect;
//low tones
//second degree
float aa, bb, cc;
//fixed value of reducac =0.4;
secondeg_end (reducac, iplow, aa, bb, cc);
float aab, bbb;
secondeg_begin (0.7f, iplow, aab, bbb);
if (SatLow > 0.f) {
float kl = 1.f;
if (v > iplow) {
kl = aa * v * v + bb * v + cc;
} else if (mode == 0) {
kl = aab * v * v + bbb * v;
}
const float kmgb = min(r, g, b);
if (kmgb < 20000.f) {
//I have tested ...0.85 compromise...
kl *= pow_F ((kmgb / 20000.f), 0.85f);
}
const float factor = 20000.f * SatLow * kl * rlo * balanS;
if (krl > 0.f) {
g -= factor * krl;
b -= factor * krl;
}
// g = CLIP(g);
// b = CLIP(b);
if (kgl > 0.f) {
r -= factor * kgl;
b -= factor * kgl;
}
// r = CLIP(r);
// b = CLIP(b);
if (kbl > 0.f) {
r -= factor * kbl;
g -= factor * kbl;
}
// r = CLIP(r);
// g = CLIP(g);
}
//high tones
float aa0, bb0;
//fixed value of reducac ==0.4;
secondeg_begin (reducac, iphigh, aa0, bb0);
if (SatHigh > 0.f) {
float kh = 1.f;
if (v > iphigh) {
kh = (1.f - v) / (1.f - iphigh); //Low light ==> decrease action after iplow
} else {
kh = aa0 * v * v + bb0 * v;
}
const float kmgb = max(r, g, b);
if (kmgb > 45535.f) {
constexpr float cora = 1.f / (45535.f - 65535.f);
constexpr float corb = 1.f - cora * 45535.f;
kh *= kmgb * cora + corb;
}
const float factor = 20000.f * SatHigh * kh * rlh * balanH;
r += factor * (krh > 0.f ? krh : 0.f);
g += factor * (kgh > 0.f ? kgh : 0.f);
b += factor * (kbh > 0.f ? kbh : 0.f);
// r = CLIP(r);
// g = CLIP(g);
// b = CLIP(b);
}
float preserv = 1.f;
if (preser == 1) {
float lumafter = 0.299f * r + 0.587f * g + 0.114f * b;
preserv = lumbefore / lumafter;
}
setUnlessOOG(ro, go, bo, CLIP(r * preserv), CLIP(g * preserv), CLIP(b * preserv));
}
/**
* @brief color toning with interpolation in mode Lab
* @param r g b input values [0..65535]
* @param ro go bo output values [0..65535]
* @param algm metchrom twoc - methods
* @param ctColorCurve curve 500 colors
* @param ctOpacityCurve curve standard 'ab'
* @param clToningcurve curve special 'ab' and 'a'
* @param cl2Toningcurve curve special 'b'
* @param iplow iphigh [0..1] luminance
* @param wp wip 3x3 matrix and inverse conversion rgb XYZ
**/
void ImProcFunctions::labtoning (float r, float g, float b, float &ro, float &go, float &bo, int algm, int metchrom, int twoc, float satLimit, float satLimitOpacity, const ColorGradientCurve & ctColorCurve, const OpacityCurve & ctOpacityCurve, const LUTf & clToningcurve, const LUTf & cl2Toningcurve, float iplow, float iphigh, double wp[3][3], double wip[3][3] )
{
ro = CLIP(r);
go = CLIP(g);
bo = CLIP(b);
float realL;
float h, s, l;
Color::rgb2hsl (ro, go, bo, h, s, l);
float x2, y2, z2;
float xl, yl, zl;
if (twoc != 1) {
l = (Color::gammatab_13_2[ l * 65535.f]) / 65535.f; //to compensate L from Lab
iphigh = (Color::gammatab_13_2[iphigh * 65535.f]) / 65535.f;
iplow = (Color::gammatab_13_2[ iplow * 65535.f]) / 65535.f;
}
if (twoc == 1) {
ctColorCurve.getVal (l, x2, y2, z2);
} else {
ctColorCurve.getVal (iphigh, x2, y2, z2);
ctColorCurve.getVal (iplow, xl, yl, zl);
}
realL = l;
//float opacity = ctOpacityCurve.lutOpacityCurve[l*500.f];
//if(params->blackwhite.enabled){satLimit=80.f;satLimitOpacity=30.f;}//force BW
// get the opacity and tweak it to preserve saturated colors
//float l_ = Color::gamma_srgb(l*65535.f)/65535.f;
float opacity = (1.f - min<float> (s / satLimit, 1.f) * (1.f - satLimitOpacity)) * ctOpacityCurve.lutOpacityCurve[l * 500.f];
float opacity2 = (1.f - min<float> (s / satLimit, 1.f) * (1.f - satLimitOpacity));
l *= 65535.f;
float chromat = 0.f, luma = 0.f;
if (clToningcurve[l] < l) {
chromat = clToningcurve[l] / l - 1.f; //special effect
} else if (clToningcurve[l] > l) {
chromat = 1.f - SQR(SQR(l / clToningcurve[l])); //apply C=f(L) acts on 'a' and 'b'
}
if (cl2Toningcurve[l] < l) {
luma = cl2Toningcurve[l] / l - 1.f; //special effect
} else if (cl2Toningcurve[l] > l) {
luma = 1.f - SQR(SQR(l / cl2Toningcurve[l])); //apply C2=f(L) acts only on 'b'
}
if (algm == 1) {
Color::interpolateRGBColor (realL, iplow, iphigh, algm, opacity, twoc, metchrom, chromat, luma, r, g, b, xl, yl, zl, x2, y2, z2, wp, wip, ro, go, bo);
} else {
Color::interpolateRGBColor (realL, iplow, iphigh, algm, opacity2, twoc, metchrom, chromat, luma, r, g, b, xl, yl, zl, x2, y2, z2, wp, wip, ro, go, bo);
}
}
void ImProcFunctions::luminanceCurve (LabImage* lold, LabImage* lnew, const LUTf& curve)
{
int W = lold->W;
int H = lold->H;
#ifdef _OPENMP
#pragma omp parallel for if (multiThread)
#endif
for (int i = 0; i < H; i++)
for (int j = 0; j < W; j++) {
float Lin = lold->L[i][j];
//if (Lin>0 && Lin<65535)
lnew->L[i][j] = curve[Lin];
}
}
void ImProcFunctions::chromiLuminanceCurve (PipetteBuffer *pipetteBuffer, int pW, LabImage* lold, LabImage* lnew, const LUTf& acurve, const LUTf& bcurve, const LUTf& satcurve, const LUTf& lhskcurve, const LUTf& clcurve, LUTf & curve, bool utili, bool autili, bool butili, bool ccutili, bool cclutili, bool clcutili, LUTu &histCCurve, LUTu &histLCurve)
{
int W = lold->W;
int H = lold->H;
PlanarWhateverData<float>* editWhatever = nullptr;
EditUniqueID editID = EUID_None;
bool editPipette = false;
if (pipetteBuffer) {
editID = pipetteBuffer->getEditID();
if (editID != EUID_None) {
switch (pipetteBuffer->getDataProvider()->getCurrSubscriber()->getPipetteBufferType()) {
case (BT_IMAGEFLOAT):
break;
case (BT_LABIMAGE):
break;
case (BT_SINGLEPLANE_FLOAT):
editPipette = true;
editWhatever = pipetteBuffer->getSinglePlaneBuffer();
break;
}
}
}
//-------------------------------------------------------------------------
// support for pipettes for the new LabRegions color toning mode this is a
// hack to fill the pipette buffers also when
// !params->labCurve.enabled. It is ugly, but it's the smallest code
// change that I could find
//-------------------------------------------------------------------------
class TempParams {
const ProcParams **p_;
const ProcParams *old_;
ProcParams tmp_;
public:
explicit TempParams(const ProcParams **p): p_(p)
{
old_ = *p;
tmp_.labCurve.enabled = true;
*p_ = &tmp_;
}
~TempParams()
{
*p_ = old_;
}
};
std::unique_ptr<TempParams> tempparams;
bool pipette_for_colortoning_labregions =
editPipette &&
params->colorToning.enabled && params->colorToning.method == "LabRegions";
if (!params->labCurve.enabled && pipette_for_colortoning_labregions) {
utili = autili = butili = ccutili = cclutili = clcutili = false;
tempparams.reset(new TempParams(&params));
curve.makeIdentity();
}
//-------------------------------------------------------------------------
if (!params->labCurve.enabled) {
if (editPipette && (editID == EUID_Lab_LCurve || editID == EUID_Lab_aCurve || editID == EUID_Lab_bCurve || editID == EUID_Lab_LHCurve || editID == EUID_Lab_CHCurve || editID == EUID_Lab_HHCurve || editID == EUID_Lab_CLCurve || editID == EUID_Lab_CCurve || editID == EUID_Lab_LCCurve)) {
// fill pipette buffer with zeros to avoid crashes
editWhatever->fill(0.f);
}
if (params->blackwhite.enabled && !params->colorToning.enabled) {
for (int i = 0; i < lnew->H; ++i) {
for (int j = 0; j < lnew->W; ++j) {
lnew->a[i][j] = lnew->b[i][j] = 0.f;
}
}
}
return;
}
// lhskcurve.dump("lh_curve");
//init Flatcurve for C=f(H)
FlatCurve* chCurve = nullptr;// curve C=f(H)
bool chutili = false;
if (params->labCurve.chromaticity > -100) {
chCurve = new FlatCurve (params->labCurve.chcurve);
if (chCurve->isIdentity()) {
delete chCurve;
chCurve = nullptr;
}//do not use "Munsell" if Chcurve not used
else {
chutili = true;
}
}
FlatCurve* lhCurve = nullptr;//curve L=f(H)
bool lhutili = false;
if (params->labCurve.chromaticity > -100) {
lhCurve = new FlatCurve (params->labCurve.lhcurve);
if (lhCurve->isIdentity()) {
delete lhCurve;
lhCurve = nullptr;
}//do not use "Munsell" if Chcurve not used
else {
lhutili = true;
}
}
FlatCurve* hhCurve = nullptr;//curve H=f(H)
bool hhutili = false;
if (params->labCurve.chromaticity > -100) {
hhCurve = new FlatCurve (params->labCurve.hhcurve);
if (hhCurve->isIdentity()) {
delete hhCurve;
hhCurve = nullptr;
}//do not use "Munsell" if Chcurve not used
else {
hhutili = true;
}
}
const float histLFactor = pW != 1 ? histLCurve.getSize() / 100.f : 1.f;
const float histCFactor = pW != 1 ? histCCurve.getSize() / 48000.f : 1.f;
#ifdef _DEBUG
MyTime t1e, t2e;
t1e.set();
// init variables to display Munsell corrections
MunsellDebugInfo* MunsDebugInfo = new MunsellDebugInfo();
#endif
float adjustr = 1.0f;
// if(params->labCurve.avoidclip ){
// parameter to adapt curve C=f(C) to gamut
if (params->icm.workingProfile == "ProPhoto") {
adjustr = 1.2f; // 1.2 instead 1.0 because it's very rare to have C>170..
} else if (params->icm.workingProfile == "Adobe RGB") {
adjustr = 1.8f;
} else if (params->icm.workingProfile == "sRGB") {
adjustr = 2.0f;
} else if (params->icm.workingProfile == "WideGamut") {
adjustr = 1.2f;
} else if (params->icm.workingProfile == "Beta RGB") {
adjustr = 1.4f;
} else if (params->icm.workingProfile == "BestRGB") {
adjustr = 1.4f;
} else if (params->icm.workingProfile == "BruceRGB") {
adjustr = 1.8f;
}
// reference to the params structure has to be done outside of the parallelization to avoid CPU cache problem
const bool highlight = params->toneCurve.hrenabled; //Get the value if "highlight reconstruction" is activated
const int chromaticity = params->labCurve.chromaticity;
const float chromapro = (chromaticity + 100.0f) / 100.0f;
const bool bwonly = params->blackwhite.enabled && !params->colorToning.enabled;
bool bwq = false;
// if(params->ppVersion > 300 && params->labCurve.chromaticity == - 100) bwq = true;
// const bool bwToning = params->labCurve.chromaticity == - 100 /*|| params->blackwhite.method=="Ch" || params->blackwhite.enabled */ || bwonly;
const bool bwToning = bwq /*|| params->blackwhite.method=="Ch" || params->blackwhite.enabled */ || bwonly;
//if(chromaticity==-100) chromaticity==-99;
const bool LCredsk = params->labCurve.lcredsk;
const bool ccut = ccutili;
const bool clut = clcutili;
const double rstprotection = 100. - params->labCurve.rstprotection; // Red and Skin Tones Protection
// avoid color shift is disabled when bwToning is activated and enabled if gamut is true in colorappearanace
const bool avoidColorShift = (params->labCurve.avoidcolorshift || (params->colorappearance.gamut && params->colorappearance.enabled)) && !bwToning ;
const float protectRed = (float)settings->protectred;
const double protectRedH = settings->protectredh;
float protect_red, protect_redh;
protect_red = protectRed;//default=60 chroma: one can put more or less if necessary...in 'option' 40...160
if (protect_red < 20.0f) {
protect_red = 20.0; // avoid too low value
}
if (protect_red > 180.0f) {
protect_red = 180.0; // avoid too high value
}
protect_redh = float (protectRedH); //default=0.4 rad : one can put more or less if necessary...in 'option' 0.2 ..1.0
if (protect_redh < 0.1f) {
protect_redh = 0.1f; //avoid divide by 0 and negatives values
}
if (protect_redh > 1.0f) {
protect_redh = 1.0f; //avoid too big values
}
float protect_redhcur = protectRedH;//default=0.4 rad : one can put more or less if necessary...in 'option' 0.2 ..1
if (protect_redhcur < 0.1f) {
protect_redhcur = 0.1f; //avoid divide by 0 and negatives values:minimal protection for transition
}
if (protect_redhcur > 3.5f) {
protect_redhcur = 3.5f; //avoid too big values
}
//increase saturation after denoise : ...approximation
float factnoise = 1.f;
if (params->dirpyrDenoise.enabled) {
factnoise = (1.f + params->dirpyrDenoise.chroma / 500.f); //levels=5
// if(yyyy) factnoise=(1.f+params->dirpyrDenoise.chroma/100.f);//levels=7
}
const float scaleConst = 100.0f / 100.1f;
const bool gamutLch = settings->gamutLch;
const float amountchroma = (float) settings->amchroma;
TMatrix wiprof = ICCStore::getInstance()->workingSpaceInverseMatrix (params->icm.workingProfile);
const double wip[3][3] = {
{wiprof[0][0], wiprof[0][1], wiprof[0][2]},
{wiprof[1][0], wiprof[1][1], wiprof[1][2]},
{wiprof[2][0], wiprof[2][1], wiprof[2][2]}
};
TMatrix wprof = ICCStore::getInstance()->workingSpaceMatrix (params->icm.workingProfile);
const double wp[3][3] = {
{wprof[0][0], wprof[0][1], wprof[0][2]},
{wprof[1][0], wprof[1][1], wprof[1][2]},
{wprof[2][0], wprof[2][1], wprof[2][2]}
};
#ifdef _OPENMP
#ifdef _DEBUG
#pragma omp parallel default(shared) firstprivate(lold, lnew, MunsDebugInfo, pW) if (multiThread)
#else
#pragma omp parallel if (multiThread)
#endif
#endif
{
#ifdef __SSE2__
float HHBuffer[W] ALIGNED16;
float CCBuffer[W] ALIGNED16;
#endif
#ifdef _OPENMP
#pragma omp for schedule(dynamic, 16)
#endif
for (int i = 0; i < H; i++) {
if (avoidColorShift)
// only if user activate Lab adjustments
if (autili || butili || ccutili || cclutili || chutili || lhutili || hhutili || clcutili || utili || chromaticity) {
Color::LabGamutMunsell (lold->L[i], lold->a[i], lold->b[i], W, /*corMunsell*/true, /*lumaMuns*/false, params->toneCurve.hrenabled, /*gamut*/true, wip);
}
#ifdef __SSE2__
// precalculate some values using SSE
if (bwToning || (!autili && !butili)) {
__m128 c327d68v = _mm_set1_ps (327.68f);
__m128 av, bv;
int k;
for (k = 0; k < W - 3; k += 4) {
av = LVFU (lold->a[i][k]);
bv = LVFU (lold->b[i][k]);
STVF (HHBuffer[k], xatan2f (bv, av));
STVF (CCBuffer[k], vsqrtf (SQRV (av) + SQRV (bv)) / c327d68v);
}
for (; k < W; k++) {
HHBuffer[k] = xatan2f (lold->b[i][k], lold->a[i][k]);
CCBuffer[k] = sqrt (SQR (lold->a[i][k]) + SQR (lold->b[i][k])) / 327.68f;
}
}
#endif // __SSE2__
for (int j = 0; j < W; j++) {
const float Lin = lold->L[i][j];
float LL = Lin / 327.68f;
float CC;
float HH;
float Chprov;
float Chprov1;
float memChprov;
float2 sincosval;
if (bwToning) { // this values will be also set when bwToning is false some lines down
#ifdef __SSE2__
// use precalculated values from above
HH = HHBuffer[j];
CC = CCBuffer[j];
#else
HH = xatan2f (lold->b[i][j], lold->a[i][j]);
CC = sqrt (SQR (lold->a[i][j]) + SQR (lold->b[i][j])) / 327.68f;
#endif
// According to mathematical laws we can get the sin and cos of HH by simple operations
if (CC == 0.0f) {
sincosval.y = 1.0f;
sincosval.x = 0.0f;
} else {
sincosval.y = lold->a[i][j] / (CC * 327.68f);
sincosval.x = lold->b[i][j] / (CC * 327.68f);
}
Chprov = CC;
Chprov1 = CC;
memChprov = Chprov;
}
if (editPipette && editID == EUID_Lab_LCurve) {
editWhatever->v (i, j) = LIM01<float> (Lin / 32768.0f); // Lab L pipette
}
lnew->L[i][j] = curve[Lin];
float Lprov1 = (lnew->L[i][j]) / 327.68f;
if (editPipette) {
if (editID == EUID_Lab_aCurve) { // Lab a pipette
float chromapipa = lold->a[i][j] + (32768.f * 1.28f);
editWhatever->v (i, j) = LIM01<float> ((chromapipa) / (65536.f * 1.28f));
} else if (editID == EUID_Lab_bCurve) { //Lab b pipette
float chromapipb = lold->b[i][j] + (32768.f * 1.28f);
editWhatever->v (i, j) = LIM01<float> ((chromapipb) / (65536.f * 1.28f));
}
}
float atmp, btmp;
atmp = lold->a[i][j];
if (autili) {
atmp = acurve[atmp + 32768.0f] - 32768.0f; // curves Lab a
}
btmp = lold->b[i][j];
if (butili) {
btmp = bcurve[btmp + 32768.0f] - 32768.0f; // curves Lab b
}
if (!bwToning) { //take into account modification of 'a' and 'b'
#ifdef __SSE2__
if (!autili && !butili) {
// use precalculated values from above
HH = HHBuffer[j];
CC = CCBuffer[j];
} else {
CC = sqrt (SQR (atmp) + SQR (btmp)) / 327.68f;
HH = xatan2f (btmp, atmp);
}
#else
CC = sqrt (SQR (atmp) + SQR (btmp)) / 327.68f;
HH = xatan2f (btmp, atmp);
#endif
// According to mathematical laws we can get the sin and cos of HH by simple operations
//float2 sincosval;
if (CC == 0.f) {
sincosval.y = 1.f;
sincosval.x = 0.f;
} else {
sincosval.y = atmp / (CC * 327.68f);
sincosval.x = btmp / (CC * 327.68f);
}
Chprov = CC;
Chprov1 = CC;
memChprov = Chprov;
} // now new values of lold with 'a' and 'b'
if (editPipette)
if (editID == EUID_Lab_LHCurve || editID == EUID_Lab_CHCurve || editID == EUID_Lab_HHCurve) {//H pipette
float valpar = Color::huelab_to_huehsv2 (HH);
editWhatever->v (i, j) = valpar;
}
if (lhutili) { // L=f(H)
const float ClipLevel = 65535.f;
float l_r;//Luminance Lab in 0..1
l_r = Lprov1 / 100.f;
{
float valparam = float ((lhCurve->getVal (Color::huelab_to_huehsv2 (HH)) - 0.5f)); //get l_r=f(H)
float valparamneg;
valparamneg = valparam;
float kcc = (CC / amountchroma); //take Chroma into account...40 "middle low" of chromaticity (arbitrary and simple), one can imagine other algorithme
//reduce action for low chroma and increase action for high chroma
valparam *= 2.f * kcc;
valparamneg *= kcc; //slightly different for negative
if (valparam > 0.f) {
l_r = (1.f - valparam) * l_r + valparam * (1.f - SQR (((SQR (1.f - min (l_r, 1.0f))))));
} else
//for negative
{
float khue = 1.9f; //in reserve in case of!
l_r *= (1.f + khue * valparamneg);
}
}
Lprov1 = l_r * 100.f;
float Chprov2 = sqrt (SQR (atmp) + SQR (btmp)) / 327.68f;
//Gamut control especially for negative values slightly different from gamutlchonly
bool inRGB;
do {
inRGB = true;
float aprov1 = Chprov2 * sincosval.y;
float bprov1 = Chprov2 * sincosval.x;
float fy = (Color::c1By116 * Lprov1 ) + Color::c16By116;
float fx = (0.002f * aprov1) + fy;
float fz = fy - (0.005f * bprov1);
float x_ = 65535.0f * Color::f2xyz (fx) * Color::D50x;
float z_ = 65535.0f * Color::f2xyz (fz) * Color::D50z;
float y_ = (Lprov1 > Color::epskap) ? 65535.0 * fy * fy * fy : 65535.0 * Lprov1 / Color::kappa;
float R, G, B;
Color::xyz2rgb (x_, y_, z_, R, G, B, wip);
if (R < 0.0f || G < 0.0f || B < 0.0f) {
if (Lprov1 < 0.1f) {
Lprov1 = 0.1f;
}
Chprov2 *= 0.95f;
inRGB = false;
} else if (!highlight && (R > ClipLevel || G > ClipLevel || B > ClipLevel)) {
if (Lprov1 > 99.98f) {
Lprov1 = 99.98f;
}
Chprov2 *= 0.95f;
inRGB = false;
}
} while (!inRGB);
atmp = 327.68f * Chprov2 * sincosval.y;
btmp = 327.68f * Chprov2 * sincosval.x;
}
// calculate C=f(H)
if (chutili) {
double hr = Color::huelab_to_huehsv2 (HH);
float chparam = float ((chCurve->getVal (hr) - 0.5f) * 2.0f); //get C=f(H)
float chromaChfactor = 1.0f + chparam;
atmp *= chromaChfactor;//apply C=f(H)
btmp *= chromaChfactor;
}
if (hhutili) { // H=f(H)
//hue Lab in -PI +PI
float valparam = float ((hhCurve->getVal (Color::huelab_to_huehsv2 (HH)) - 0.5f) * 1.7f) + HH; //get H=f(H) 1.7 optimisation !
HH = valparam;
sincosval = xsincosf (HH);
}
if (!bwToning) {
float factorskin, factorsat, factorskinext;
if (chromapro > 1.f) {
float scale = scaleConst;//reduction in normal zone
float scaleext = 1.f;//reduction in transition zone
Color::scalered ( rstprotection, chromapro, 0.0, HH, protect_redh, scale, scaleext);//1.0
float interm = (chromapro - 1.f);
factorskin = 1.f + (interm * scale);
factorskinext = 1.f + (interm * scaleext);
} else {
factorskin = chromapro ; // +(chromapro)*scale;
factorskinext = chromapro ;// +(chromapro)*scaleext;
}
factorsat = chromapro * factnoise;
//simulate very approximative gamut f(L) : with pyramid transition
float dred /*=55.f*/;//C red value limit
if (Lprov1 < 25.f) {
dred = 40.f;
} else if (Lprov1 < 30.f) {
dred = 3.f * Lprov1 - 35.f;
} else if (Lprov1 < 70.f) {
dred = 55.f;
} else if (Lprov1 < 75.f) {
dred = -3.f * Lprov1 + 265.f;
} else {
dred = 40.f;
}
// end pyramid
// Test if chroma is in the normal range first
Color::transitred ( HH, Chprov1, dred, factorskin, protect_red, factorskinext, protect_redh, factorsat, factorsat);
atmp *= factorsat;
btmp *= factorsat;
if (editPipette && editID == EUID_Lab_CLCurve) {
editWhatever->v (i, j) = LIM01<float> (LL / 100.f); // Lab C=f(L) pipette
}
if (clut && LL > 0.f) { // begin C=f(L)
float factorskin, factorsat, factor, factorskinext;
float chromaCfactor = (clcurve[LL * 655.35f]) / (LL * 655.35f); //apply C=f(L)
float curf = 0.7f; //empirical coeff because curve is more progressive
float scale = 100.0f / 100.1f; //reduction in normal zone for curve C
float scaleext = 1.0f; //reduction in transition zone for curve C
float protect_redcur, protect_redhcur; //perhaps the same value than protect_red and protect_redh
float deltaHH;//HH value transition for C curve
protect_redcur = curf * protectRed; //default=60 chroma: one can put more or less if necessary...in 'option' 40...160==> curf =because curve is more progressive
if (protect_redcur < 20.0f) {
protect_redcur = 20.0; // avoid too low value
}
if (protect_redcur > 180.0f) {
protect_redcur = 180.0; // avoid too high value
}
protect_redhcur = curf * float (protectRedH); //default=0.4 rad : one can put more or less if necessary...in 'option' 0.2 ..1.0 ==> curf =because curve is more progressive
if (protect_redhcur < 0.1f) {
protect_redhcur = 0.1f; //avoid divide by 0 and negatives values
}
if (protect_redhcur > 1.0f) {
protect_redhcur = 1.0f; //avoid too big values
}
deltaHH = protect_redhcur; //transition hue
if (chromaCfactor > 0.0) {
Color::scalered ( rstprotection, chromaCfactor, 0.0, HH, deltaHH, scale, scaleext); //1.0
}
if (chromaCfactor > 1.0) {
float interm = (chromaCfactor - 1.0f) * 100.0f;
factorskin = 1.0f + (interm * scale) / 100.0f;
factorskinext = 1.0f + (interm * scaleext) / 100.0f;
} else {
factorskin = chromaCfactor; // +(1.0f-chromaCfactor)*scale;
factorskinext = chromaCfactor ; //+(1.0f-chromaCfactor)*scaleext;
}
factorsat = chromaCfactor;
factor = factorsat;
Color::transitred ( HH, Chprov1, dred, factorskin, protect_redcur, factorskinext, deltaHH, factorsat, factor);
atmp = LIM(atmp * factor, min(-42000.f, atmp), max(42000.f, atmp));
btmp = LIM(btmp * factor, min(-42000.f, btmp), max(42000.f, btmp));
}
// end C=f(L)
// if (editID == EUID_Lab_CLCurve)
// editWhatever->v(i,j) = LIM01<float>(Lprov2/100.f);// Lab C=f(L) pipette
// I have placed C=f(C) after all C treatments to assure maximum amplitude of "C"
if (editPipette && editID == EUID_Lab_CCurve) {
float chromapip = sqrt (SQR (atmp) + SQR (btmp) + 0.001f);
editWhatever->v (i, j) = LIM01<float> ((chromapip) / (48000.f));
}//Lab C=f(C) pipette
if (ccut) {
float factorskin, factorsat, factor, factorskinext;
float chroma = sqrt (SQR (atmp) + SQR (btmp) + 0.001f);
float chromaCfactor = (satcurve[chroma * adjustr]) / (chroma * adjustr); //apply C=f(C)
float curf = 0.7f; //empirical coeff because curve is more progressive
float scale = 100.0f / 100.1f; //reduction in normal zone for curve CC
float scaleext = 1.0f; //reduction in transition zone for curve CC
float protect_redcur, protect_redhcur; //perhaps the same value than protect_red and protect_redh
float deltaHH;//HH value transition for CC curve
protect_redcur = curf * protectRed; //default=60 chroma: one can put more or less if necessary...in 'option' 40...160==> curf =because curve is more progressive
if (protect_redcur < 20.0f) {
protect_redcur = 20.0; // avoid too low value
}
if (protect_redcur > 180.0f) {
protect_redcur = 180.0; // avoid too high value
}
protect_redhcur = curf * float (protectRedH); //default=0.4 rad : one can put more or less if necessary...in 'option' 0.2 ..1.0 ==> curf =because curve is more progressive
if (protect_redhcur < 0.1f) {
protect_redhcur = 0.1f; //avoid divide by 0 and negatives values
}
if (protect_redhcur > 1.0f) {
protect_redhcur = 1.0f; //avoid too big values
}
deltaHH = protect_redhcur; //transition hue
if (chromaCfactor > 0.0) {
Color::scalered ( rstprotection, chromaCfactor, 0.0, HH, deltaHH, scale, scaleext); //1.0
}
if (chromaCfactor > 1.0) {
float interm = (chromaCfactor - 1.0f) * 100.0f;
factorskin = 1.0f + (interm * scale) / 100.0f;
factorskinext = 1.0f + (interm * scaleext) / 100.0f;
} else {
//factorskin= chromaCfactor*scale;
//factorskinext=chromaCfactor*scaleext;
factorskin = chromaCfactor; // +(1.0f-chromaCfactor)*scale;
factorskinext = chromaCfactor ; //+(1.0f-chromaCfactor)*scaleext;
}
factorsat = chromaCfactor;
factor = factorsat;
Color::transitred ( HH, Chprov1, dred, factorskin, protect_redcur, factorskinext, deltaHH, factorsat, factor);
atmp *= factor;
btmp *= factor;
}
}
// end chroma C=f(C)
//update histogram C
if (pW != 1) { //only with improccoordinator
histCCurve[histCFactor * sqrt(atmp * atmp + btmp * btmp)]++;
}
if (editPipette && editID == EUID_Lab_LCCurve) {
float chromapiplc = sqrt (SQR (atmp) + SQR (btmp) + 0.001f);
editWhatever->v (i, j) = LIM01<float> ((chromapiplc) / (48000.f));
}//Lab L=f(C) pipette
if (cclutili && !bwToning) { //apply curve L=f(C) for skin and rd...but also for extended color ==> near green and blue (see 'curf')
const float xx = 0.25f; //soft : between 0.2 and 0.4
float skdeltaHH;
skdeltaHH = protect_redhcur; //transition hue
float skbeg = -0.05f; //begin hue skin
float skend = 1.60f; //end hue skin
const float chrmin = 50.0f; //to avoid artifact, because L curve is not a real curve for luminance
float aa, bb;
float zz = 0.0f;
float yy = 0.0f;
if (Chprov1 < chrmin) {
yy = SQR (Chprov1 / chrmin) * xx;
} else {
yy = xx; //avoid artifact for low C
}
if (!LCredsk) {
skbeg = -3.1415;
skend = 3.14159;
skdeltaHH = 0.001f;
}
if (HH > skbeg && HH < skend ) {
zz = yy;
} else if (HH > skbeg - skdeltaHH && HH <= skbeg) { //transition
aa = yy / skdeltaHH;
bb = -aa * (skbeg - skdeltaHH);
zz = aa * HH + bb;
} else if (HH >= skend && HH < skend + skdeltaHH) { //transition
aa = -yy / skdeltaHH;
bb = -aa * (skend + skdeltaHH);
zz = aa * HH + bb;
}
float chroma = sqrt (SQR (atmp) + SQR (btmp) + 0.001f);
float Lc = (lhskcurve[chroma * adjustr]) / (chroma * adjustr); //apply L=f(C)
Lc = (Lc - 1.0f) * zz + 1.0f; //reduct action
Lprov1 *= Lc; //adjust luminance
}
//update histo LC
if (pW != 1) { //only with improccoordinator
histLCurve[Lprov1 * histLFactor]++;
}
Chprov1 = sqrt (SQR (atmp) + SQR (btmp)) / 327.68f;
// labCurve.bwtoning option allows to decouple modulation of a & b curves by saturation
// with bwtoning enabled the net effect of a & b curves is visible
if (bwToning) {
atmp -= lold->a[i][j];
btmp -= lold->b[i][j];
}
if (avoidColorShift) {
//gamutmap Lch ==> preserve Hue,but a little slower than gamutbdy for high values...and little faster for low values
if (gamutLch) {
float R, G, B;
#ifdef _DEBUG
bool neg = false;
bool more_rgb = false;
//gamut control : Lab values are in gamut
Color::gamutLchonly (HH, sincosval, Lprov1, Chprov1, R, G, B, wip, highlight, 0.15f, 0.96f, neg, more_rgb);
#else
//gamut control : Lab values are in gamut
Color::gamutLchonly (HH, sincosval, Lprov1, Chprov1, R, G, B, wip, highlight, 0.15f, 0.96f);
#endif
lnew->L[i][j] = Lprov1 * 327.68f;
// float2 sincosval = xsincosf(HH);
lnew->a[i][j] = 327.68f * Chprov1 * sincosval.y;
lnew->b[i][j] = 327.68f * Chprov1 * sincosval.x;
} else {
//use gamutbdy
//Luv limiter
float Y, u, v;
Color::Lab2Yuv (lnew->L[i][j], atmp, btmp, Y, u, v);
//Yuv2Lab includes gamut restriction map
Color::Yuv2Lab (Y, u, v, lnew->L[i][j], lnew->a[i][j], lnew->b[i][j], wp);
}
if (utili || autili || butili || ccut || clut || cclutili || chutili || lhutili || hhutili || clcutili || chromaticity) {
float correctionHue = 0.f; // Munsell's correction
float correctlum = 0.f;
Lprov1 = lnew->L[i][j] / 327.68f;
Chprov = sqrt (SQR (lnew->a[i][j]) + SQR (lnew->b[i][j])) / 327.68f;
#ifdef _DEBUG
Color::AllMunsellLch (/*lumaMuns*/true, Lprov1, LL, HH, Chprov, memChprov, correctionHue, correctlum, MunsDebugInfo);
#else
Color::AllMunsellLch (/*lumaMuns*/true, Lprov1, LL, HH, Chprov, memChprov, correctionHue, correctlum);
#endif
if (correctionHue != 0.f || correctlum != 0.f) {
if (fabs (correctionHue) < 0.015f) {
HH += correctlum; // correct only if correct Munsell chroma very little.
}
/* if((HH>0.0f && HH < 1.6f) && memChprov < 70.0f) HH+=correctlum;//skin correct
else if(fabs(correctionHue) < 0.3f) HH+=0.08f*correctlum;
else if(fabs(correctionHue) < 0.2f) HH+=0.25f*correctlum;
else if(fabs(correctionHue) < 0.1f) HH+=0.35f*correctlum;
else if(fabs(correctionHue) < 0.015f) HH+=correctlum; // correct only if correct Munsell chroma very little.
*/
sincosval = xsincosf (HH + correctionHue);
}
lnew->a[i][j] = 327.68f * Chprov * sincosval.y; // apply Munsell
lnew->b[i][j] = 327.68f * Chprov * sincosval.x;
}
} else {
// if(Lprov1 > maxlp) maxlp=Lprov1;
// if(Lprov1 < minlp) minlp=Lprov1;
if (!bwToning) {
lnew->L[i][j] = Lprov1 * 327.68f;
// float2 sincosval = xsincosf(HH);
lnew->a[i][j] = 327.68f * Chprov1 * sincosval.y;
lnew->b[i][j] = 327.68f * Chprov1 * sincosval.x;
} else {
//Luv limiter only
lnew->a[i][j] = atmp;
lnew->b[i][j] = btmp;
}
}
}
}
} // end of parallelization
#ifdef _DEBUG
if (settings->verbose) {
t2e.set();
printf ("Color::AllMunsellLch (correction performed in %d usec):\n", t2e.etime (t1e));
printf (" Munsell chrominance: MaxBP=%1.2frad MaxRY=%1.2frad MaxGY=%1.2frad MaxRP=%1.2frad dep=%u\n", MunsDebugInfo->maxdhue[0], MunsDebugInfo->maxdhue[1], MunsDebugInfo->maxdhue[2], MunsDebugInfo->maxdhue[3], MunsDebugInfo->depass);
printf (" Munsell luminance : MaxBP=%1.2frad MaxRY=%1.2frad MaxGY=%1.2frad MaxRP=%1.2frad dep=%u\n", MunsDebugInfo->maxdhuelum[0], MunsDebugInfo->maxdhuelum[1], MunsDebugInfo->maxdhuelum[2], MunsDebugInfo->maxdhuelum[3], MunsDebugInfo->depassLum);
}
delete MunsDebugInfo;
#endif
if (chCurve) {
delete chCurve;
}
if (lhCurve) {
delete lhCurve;
}
if (hhCurve) {
delete hhCurve;
}
// t2e.set();
// printf("Chromil took %d nsec\n",t2e.etime(t1e));
}
//#include "cubic.cc"
//void ImProcFunctions::colorCurve (LabImage* lold, LabImage* lnew)
//{
/* LUT<double> cmultiplier(181021);
double boost_a = ((float)params->colorBoost.amount + 100.0) / 100.0;
double boost_b = ((float)params->colorBoost.amount + 100.0) / 100.0;
double c, amul = 1.0, bmul = 1.0;
if (boost_a > boost_b) {
c = boost_a;
if (boost_a > 0)
bmul = boost_b / boost_a;
}
else {
c = boost_b;
if (boost_b > 0)
amul = boost_a / boost_b;
}
if (params->colorBoost.enable_saturationlimiter && c>1.0) {
// re-generate color multiplier lookup table
double d = params->colorBoost.saturationlimit / 3.0;
double alpha = 0.5;
double threshold1 = alpha * d;
double threshold2 = c*d*(alpha+1.0) - d;
for (int i=0; i<=181020; i++) { // lookup table stores multipliers with a 0.25 chrominance resolution
double chrominance = (double)i/4.0;
if (chrominance < threshold1)
cmultiplier[i] = c;
else if (chrominance < d)
cmultiplier[i] = (c / (2.0*d*(alpha-1.0)) * (chrominance-d)*(chrominance-d) + c*d/2.0 * (alpha+1.0) ) / chrominance;
else if (chrominance < threshold2)
cmultiplier[i] = (1.0 / (2.0*d*(c*(alpha+1.0)-2.0)) * (chrominance-d)*(chrominance-d) + c*d/2.0 * (alpha+1.0) ) / chrominance;
else
cmultiplier[i] = 1.0;
}
}
float eps = 0.001;
double shift_a = params->colorShift.a + eps, shift_b = params->colorShift.b + eps;
float** oa = lold->a;
float** ob = lold->b;
#pragma omp parallel for if (multiThread)
for (int i=0; i<lold->H; i++)
for (int j=0; j<lold->W; j++) {
double wanted_c = c;
if (params->colorBoost.enable_saturationlimiter && c>1) {
float chroma = (float)(4.0 * sqrt((oa[i][j]+shift_a)*(oa[i][j]+shift_a) + (ob[i][j]+shift_b)*(ob[i][j]+shift_b)));
wanted_c = cmultiplier [chroma];
}
double real_c = wanted_c;
if (wanted_c >= 1.0 && params->colorBoost.avoidclip) {
double cclip = 100000.0;
double cr = tightestroot ((double)lnew->L[i][j]/655.35, (double)(oa[i][j]+shift_a)*amul, (double)(ob[i][j]+shift_b)*bmul, 3.079935, -1.5371515, -0.54278342);
double cg = tightestroot ((double)lnew->L[i][j]/655.35, (double)(oa[i][j]+shift_a)*amul, (double)(ob[i][j]+shift_b)*bmul, -0.92123418, 1.87599, 0.04524418);
double cb = tightestroot ((double)lnew->L[i][j]/655.35, (double)(oa[i][j]+shift_a)*amul, (double)(ob[i][j]+shift_b)*bmul, 0.052889682, -0.20404134, 1.15115166);
if (cr>1.0 && cr<cclip) cclip = cr;
if (cg>1.0 && cg<cclip) cclip = cg;
if (cb>1.0 && cb<cclip) cclip = cb;
if (cclip<100000.0) {
real_c = -cclip + 2.0*cclip / (1.0+exp(-2.0*wanted_c/cclip));
if (real_c<1.0)
real_c = 1.0;
}
}
float nna = ((oa[i][j]+shift_a) * real_c * amul);
float nnb = ((ob[i][j]+shift_b) * real_c * bmul);
lnew->a[i][j] = LIM(nna,-32000.0f,32000.0f);
lnew->b[i][j] = LIM(nnb,-32000.0f,32000.0f);
}
*/
//delete [] cmultiplier;
//}
void ImProcFunctions::impulsedenoise (LabImage* lab)
{
if (params->impulseDenoise.enabled && lab->W >= 8 && lab->H >= 8)
{
impulse_nr (lab, (float)params->impulseDenoise.thresh / 20.0 );
}
}
void ImProcFunctions::impulsedenoisecam (CieImage* ncie, float **buffers[3])
{
if (params->impulseDenoise.enabled && ncie->W >= 8 && ncie->H >= 8)
{
impulse_nrcam (ncie, (float)params->impulseDenoise.thresh / 20.0, buffers );
}
}
void ImProcFunctions::defringe (LabImage* lab)
{
if (params->defringe.enabled && lab->W >= 8 && lab->H >= 8)
{
PF_correct_RT (lab, params->defringe.radius, params->defringe.threshold);
}
}
void ImProcFunctions::defringecam (CieImage* ncie)
{
if (params->defringe.enabled && ncie->W >= 8 && ncie->H >= 8) {
PF_correct_RTcam (ncie, params->defringe.radius, params->defringe.threshold);
}
}
void ImProcFunctions::badpixcam (CieImage* ncie, double rad, int thr, int mode, float chrom, bool hotbad)
{
if (ncie->W >= 8 && ncie->H >= 8) {
Badpixelscam (ncie, rad, thr, mode, chrom, hotbad);
}
}
void ImProcFunctions::badpixlab (LabImage* lab, double rad, int thr, float chrom)
{
if (lab->W >= 8 && lab->H >= 8) {
BadpixelsLab (lab, rad, thr, chrom);
}
}
void ImProcFunctions::dirpyrequalizer (LabImage* lab, int scale)
{
if (params->dirpyrequalizer.enabled && lab->W >= 8 && lab->H >= 8) {
float b_l = static_cast<float> (params->dirpyrequalizer.hueskin.getBottomLeft()) / 100.f;
float t_l = static_cast<float> (params->dirpyrequalizer.hueskin.getTopLeft()) / 100.f;
float t_r = static_cast<float> (params->dirpyrequalizer.hueskin.getTopRight()) / 100.f;
// if (params->dirpyrequalizer.algo=="FI") choice=0;
// else if(params->dirpyrequalizer.algo=="LA") choice=1;
if (params->dirpyrequalizer.gamutlab && params->dirpyrequalizer.skinprotect != 0) {
constexpr float artifact = 4.f;
constexpr float chrom = 50.f;
ImProcFunctions::badpixlab (lab, artifact / scale, 5, chrom); //for artifacts
}
//dirpyrLab_equalizer(lab, lab, params->dirpyrequalizer.mult);
dirpyr_equalizer (lab->L, lab->L, lab->W, lab->H, lab->a, lab->b, params->dirpyrequalizer.mult, params->dirpyrequalizer.threshold, params->dirpyrequalizer.skinprotect, b_l, t_l, t_r, scale);
}
}
void ImProcFunctions::EPDToneMapCIE (CieImage *ncie, float a_w, float c_, int Wid, int Hei, float minQ, float maxQ, unsigned int Iterates, int skip)
{
if (!params->epd.enabled) {
return;
}
/*
if (params->wavelet.enabled && params->wavelet.tmrs != 0) {
return;
}
*/
float stren = params->epd.strength;
float edgest = params->epd.edgeStopping;
float sca = params->epd.scale;
float gamm = params->epd.gamma;
float rew = params->epd.reweightingIterates;
float Qpro = ( 4.0 / c_) * ( a_w + 4.0 ) ; //estimate Q max if J=100.0
float *Qpr = ncie->Q_p[0];
if (settings->verbose) {
printf ("minQ=%f maxQ=%f Qpro=%f\n", minQ, maxQ, Qpro);
}
if (maxQ > Qpro) {
Qpro = maxQ;
}
EdgePreservingDecomposition epd (Wid, Hei);
#ifdef _OPENMP
#pragma omp parallel for
#endif
for (int i = 0; i < Hei; i++)
for (int j = 0; j < Wid; j++) {
ncie->Q_p[i][j] = gamm * ncie->Q_p[i][j] / (Qpro);
}
float Compression = expf (-stren); //This modification turns numbers symmetric around 0 into exponents.
float DetailBoost = stren;
if (stren < 0.0f) {
DetailBoost = 0.0f; //Go with effect of exponent only if uncompressing.
}
//Auto select number of iterates. Note that p->EdgeStopping = 0 makes a Gaussian blur.
if (Iterates == 0) {
Iterates = (unsigned int) (edgest * 15.0);
}
//Jacques Desmis : always Iterates=5 for compatibility images between preview and output
epd.CompressDynamicRange (Qpr, sca / (float)skip, edgest, Compression, DetailBoost, Iterates, rew);
//Restore past range, also desaturate a bit per Mantiuk's Color correction for tone mapping.
float s = (1.0f + 38.7889f) * powf (Compression, 1.5856f) / (1.0f + 38.7889f * powf (Compression, 1.5856f));
#ifndef _DEBUG
#ifdef _OPENMP
#pragma omp parallel for schedule(dynamic,10)
#endif
#endif
for (int i = 0; i < Hei; i++)
for (int j = 0; j < Wid; j++) {
ncie->Q_p[i][j] = (ncie->Q_p[i][j] * Qpro) / gamm;
ncie->M_p[i][j] *= s;
}
/*
float *Qpr2 = new float[Wid*((heir)+1)];
for (int i=heir; i<Hei; i++)
for (int j=0; j<Wid; j++) { Qpr2[(i-heir)*Wid+j]=ncie->Q_p[i][j];}
if(minQ>0.0) minQ=0.0;//normally minQ always > 0...
// EdgePreservingDecomposition epd = EdgePreservingDecomposition(Wid, Hei);
//EdgePreservingDecomposition epd = EdgePreservingDecomposition(Wid, Hei/2);
for(i = N2; i != N; i++)
// for(i = begh*Wid; i != N; i++)
//Qpr[i] = (Qpr[i]-minQ)/(maxQ+1.0);
Qpr2[i-N2] = (Qpr2[i-N2]-minQ)/(Qpro+1.0);
float Compression2 = expf(-stren); //This modification turns numbers symmetric around 0 into exponents.
float DetailBoost2 = stren;
if(stren < 0.0f) DetailBoost2 = 0.0f; //Go with effect of exponent only if uncompressing.
//Auto select number of iterates. Note that p->EdgeStopping = 0 makes a Gaussian blur.
if(Iterates == 0) Iterates = (unsigned int)(edgest*15.0);
epd.CompressDynamicRange(Qpr2, sca/(float)skip, edgest, Compression2, DetailBoost2, Iterates, rew, Qpr2);
//Restore past range, also desaturate a bit per Mantiuk's Color correction for tone mapping.
float s2 = (1.0f + 38.7889f)*powf(Compression, 1.5856f)/(1.0f + 38.7889f*powf(Compression, 1.5856f));
for (int i=heir; i<Hei; i++)
// for (int i=begh; i<endh; i++)
for (int j=0; j<Wid; j++) {
ncie->Q_p[i][j]=Qpr2[(i-heir)*Wid+j]*Qpro + minQ;
// Qpr[i*Wid+j]=Qpr[i*Wid+j]*maxQ + minQ;
// ncie->J_p[i][j]=(100.0* Qpr[i*Wid+j]*Qpr[i*Wid+j]) /(w_h*w_h);
ncie->M_p[i][j]*=s2;
}
delete [] Qpr2;
*/
}
//Map tones by way of edge preserving decomposition. Is this the right way to include source?
//#include "EdgePreservingDecomposition.cc"
void ImProcFunctions::EPDToneMap (LabImage *lab, unsigned int Iterates, int skip)
{
//Hasten access to the parameters.
// EPDParams *p = (EPDParams *)(&params->epd);
//Enabled? Leave now if not.
// if(!p->enabled) return;
if (!params->epd.enabled) {
return;
}
/*
if (params->wavelet.enabled && params->wavelet.tmrs != 0) {
return;
}
*/
float stren = params->epd.strength;
float edgest = params->epd.edgeStopping;
float sca = params->epd.scale;
float gamm = params->epd.gamma;
float rew = params->epd.reweightingIterates;
//Pointers to whole data and size of it.
float *L = lab->L[0];
float *a = lab->a[0];
float *b = lab->b[0];
size_t N = lab->W * lab->H;
EdgePreservingDecomposition epd (lab->W, lab->H);
//Due to the taking of logarithms, L must be nonnegative. Further, scale to 0 to 1 using nominal range of L, 0 to 15 bit.
float minL = FLT_MAX;
float maxL = 0.f;
#ifdef _OPENMP
#pragma omp parallel
#endif
{
float lminL = FLT_MAX;
float lmaxL = 0.f;
#ifdef _OPENMP
#pragma omp for
#endif
for (size_t i = 0; i < N; i++) {
if (L[i] < lminL) {
lminL = L[i];
}
if (L[i] > lmaxL) {
lmaxL = L[i];
}
}
#ifdef _OPENMP
#pragma omp critical
#endif
{
if (lminL < minL) {
minL = lminL;
}
if (lmaxL > maxL) {
maxL = lmaxL;
}
}
}
if (minL > 0.0f) {
minL = 0.0f; //Disable the shift if there are no negative numbers. I wish there were just no negative numbers to begin with.
}
if (maxL == 0.f) { // avoid division by zero
maxL = 1.f;
}
#ifdef _OPENMP
#pragma omp parallel for
#endif
for (size_t i = 0; i < N; ++i)
//{L[i] = (L[i] - minL)/32767.0f;
{
L[i] = (L[i] - minL) / maxL;
L[i] *= gamm;
}
//Some interpretations.
float Compression = expf (-stren); //This modification turns numbers symmetric around 0 into exponents.
float DetailBoost = stren;
if (stren < 0.0f) {
DetailBoost = 0.0f; //Go with effect of exponent only if uncompressing.
}
//Auto select number of iterates. Note that p->EdgeStopping = 0 makes a Gaussian blur.
if (Iterates == 0) {
Iterates = (unsigned int) (edgest * 15.0f);
}
/* Debuggery. Saves L for toying with outside of RT.
char nm[64];
sprintf(nm, "%ux%ufloat.bin", lab->W, lab->H);
FILE *f = fopen(nm, "wb");
fwrite(L, N, sizeof(float), f);
fclose(f);*/
epd.CompressDynamicRange (L, sca / float (skip), edgest, Compression, DetailBoost, Iterates, rew);
//Restore past range, also desaturate a bit per Mantiuk's Color correction for tone mapping.
float s = (1.0f + 38.7889f) * powf (Compression, 1.5856f) / (1.0f + 38.7889f * powf (Compression, 1.5856f));
#ifdef _OPENMP
#pragma omp parallel for // removed schedule(dynamic,10)
#endif
for (size_t ii = 0; ii < N; ++ii) {
a[ii] *= s;
b[ii] *= s;
L[ii] = L[ii] * maxL * (1.f / gamm) + minL;
}
}
void ImProcFunctions::getAutoExp (const LUTu &histogram, int histcompr, double clip,
double& expcomp, int& bright, int& contr, int& black, int& hlcompr, int& hlcomprthresh)
{
float scale = 65536.0f;
float midgray = 0.1842f; //middle gray in linear gamma =1 50% luminance
int imax = 65536 >> histcompr;
int overex = 0;
float sum = 0.f, hisum = 0.f, losum = 0.f;
float ave = 0.f;
//find average luminance
histogram.getSumAndAverage (sum, ave);
//find median of luminance
size_t median = 0, count = histogram[0];
while (count < sum / 2) {
median++;
count += histogram[median];
}
if (median == 0 || ave < 1.f) { //probably the image is a blackframe
expcomp = 0.;
black = 0;
bright = 0;
contr = 0;
hlcompr = 0;
hlcomprthresh = 0;
return;
}
// compute std dev on the high and low side of median
// and octiles of histogram
float octile[8] = {0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f}, ospread = 0.f;
count = 0;
int j = 0;
for (; j < min ((int)ave, imax); ++j) {
if (count < 8) {
octile[count] += histogram[j];
if (octile[count] > sum / 8.f || (count == 7 && octile[count] > sum / 16.f)) {
octile[count] = xlog (1. + j) / log (2.f);
count++;// = min(count+1,7);
}
}
losum += histogram[j];
}
for (; j < imax; ++j) {
if (count < 8) {
octile[count] += histogram[j];
if (octile[count] > sum / 8.f || (count == 7 && octile[count] > sum / 16.f)) {
octile[count] = xlog (1. + j) / log (2.f);
count++;// = min(count+1,7);
}
}
hisum += histogram[j];
}
if (losum == 0 || hisum == 0) { //probably the image is a blackframe
expcomp = 0.;
black = 0;
bright = 0;
contr = 0;
hlcompr = 0;
hlcomprthresh = 0;
return;
}
// lodev = (lodev / (log(2.f) * losum));
// hidev = (hidev / (log(2.f) * hisum));
if (octile[6] > log1p ((float)imax) / log2 (2.f)) { //if very overxposed image
octile[6] = 1.5f * octile[5] - 0.5f * octile[4];
overex = 2;
}
if (octile[7] > log1p ((float)imax) / log2 (2.f)) { //if overexposed
octile[7] = 1.5f * octile[6] - 0.5f * octile[5];
overex = 1;
}
// store values of octile[6] and octile[7] for calculation of exposure compensation
// if we don't do this and the pixture is underexposed, calculation of exposure compensation assumes
// that it's overexposed and calculates the wrong direction
float oct6, oct7;
oct6 = octile[6];
oct7 = octile[7];
for (int i = 1; i < 8; i++) {
if (octile[i] == 0.0f) {
octile[i] = octile[i - 1];
}
}
// compute weighted average separation of octiles
// for future use in contrast setting
for (int i = 1; i < 6; i++) {
ospread += (octile[i + 1] - octile[i]) / max (0.5f, (i > 2 ? (octile[i + 1] - octile[3]) : (octile[3] - octile[i])));
}
ospread /= 5.f;
if (ospread <= 0.f) { //probably the image is a blackframe
expcomp = 0.;
black = 0;
bright = 0;
contr = 0;
hlcompr = 0;
hlcomprthresh = 0;
return;
}
// compute clipping points based on the original histograms (linear, without exp comp.)
unsigned int clipped = 0;
int rawmax = (imax) - 1;
while (histogram[rawmax] + clipped <= 0 && rawmax > 1) {
clipped += histogram[rawmax];
rawmax--;
}
//compute clipped white point
unsigned int clippable = (int) (sum * clip / 100.f );
clipped = 0;
int whiteclip = (imax) - 1;
while (whiteclip > 1 && (histogram[whiteclip] + clipped) <= clippable) {
clipped += histogram[whiteclip];
whiteclip--;
}
//compute clipped black point
clipped = 0;
int shc = 0;
while (shc < whiteclip - 1 && histogram[shc] + clipped <= clippable) {
clipped += histogram[shc];
shc++;
}
//rescale to 65535 max
rawmax <<= histcompr;
whiteclip <<= histcompr;
ave = ave * (1 << histcompr);
median <<= histcompr;
shc <<= histcompr;
// //prevent division by 0
// if (lodev == 0.f) {
// lodev = 1.f;
// }
//compute exposure compensation as geometric mean of the amount that
//sets the mean or median at middle gray, and the amount that sets the estimated top
//of the histogram at or near clipping.
//float expcomp1 = (log(/*(median/ave)*//*(hidev/lodev)*/midgray*scale/(ave-shc+midgray*shc))+log((hidev/lodev)))/log(2.f);
float expcomp1 = (log (/*(median/ave)*//*(hidev/lodev)*/midgray * scale / (ave - shc + midgray * shc))) / log (2.f);
float expcomp2;
if (overex == 0) { // image is not overexposed
expcomp2 = 0.5f * ( (15.5f - histcompr - (2.f * oct7 - oct6)) + log (scale / rawmax) / log (2.f) );
} else {
expcomp2 = 0.5f * ( (15.5f - histcompr - (2.f * octile[7] - octile[6])) + log (scale / rawmax) / log (2.f) );
}
if (fabs (expcomp1) - fabs (expcomp2) > 1.f) { //for great expcomp
expcomp = (expcomp1 * fabs (expcomp2) + expcomp2 * fabs (expcomp1)) / (fabs (expcomp1) + fabs (expcomp2));
} else {
expcomp = 0.5 * (double)expcomp1 + 0.5 * (double) expcomp2; //for small expcomp
}
float gain = exp ((float)expcomp * log (2.f));
float corr = sqrt (gain * scale / rawmax);
black = (int) shc * corr;
//now tune hlcompr to bring back rawmax to 65535
hlcomprthresh = 0;
//this is a series approximation of the actual formula for comp,
//which is a transcendental equation
float comp = (gain * ((float)whiteclip) / scale - 1.f) * 2.3f; // 2.3 instead of 2 to increase slightly comp
hlcompr = (int) (100.*comp / (max (0.0, expcomp) + 1.0));
hlcompr = max (0, min (100, hlcompr));
//now find brightness if gain didn't bring ave to midgray using
//the envelope of the actual 'control cage' brightness curve for simplicity
float midtmp = gain * sqrt (median * ave) / scale;
if (midtmp < 0.1f) {
bright = (midgray - midtmp) * 15.0 / (midtmp);
} else {
bright = (midgray - midtmp) * 15.0 / (0.10833 - 0.0833 * midtmp);
}
bright = 0.25 */*(median/ave)*(hidev/lodev)*/max (0, bright);
//compute contrast that spreads the average spacing of octiles
contr = (int) 50.0f * (1.1f - ospread);
contr = max (0, min (100, contr));
//take gamma into account
double whiteclipg = (int) (CurveFactory::gamma2 (whiteclip * corr / 65536.0) * 65536.0);
float gavg = 0.;
float val = 0.f;
float increment = corr * (1 << histcompr);
for (int i = 0; i < 65536 >> histcompr; i++) {
gavg += histogram[i] * Color::gamma2curve[val];
val += increment;
}
gavg /= sum;
if (black < gavg) {
int maxwhiteclip = (gavg - black) * 4 / 3 + black; // don't let whiteclip be such large that the histogram average goes above 3/4
if (whiteclipg < maxwhiteclip) {
whiteclipg = maxwhiteclip;
}
}
whiteclipg = CurveFactory::igamma2 ((float) (whiteclipg / 65535.0)) * 65535.0; //need to inverse gamma transform to get correct exposure compensation parameter
//correction with gamma
black = (int) ((65535 * black) / whiteclipg);
//expcomp = log(65535.0 / (whiteclipg)) / log(2.0);
//diagnostics
//printf ("**************** AUTO LEVELS ****************\n");
/*
if (settings->verbose) {
printf("sum=%i clip=%f clippable=%i clipWh=%i clipBl=%i\n",somm, clip, clippable,clipwh, clipbl);
printf ("expcomp1= %f expcomp2= %f gain= %f expcomp=%f\n",expcomp1,expcomp2,gain,expcomp);
printf ("expo=%f\n",expo);
printf ("median: %i average: %f median/average: %f\n",median,ave, median/ave);
printf ("average: %f\n",ave);
printf("comp=%f hlcomp: %i\n",comp, hlcompr);
printf ("median/average: %f\n",median/ave);
printf ("lodev: %f hidev: %f hidev/lodev: %f\n",lodev,hidev,hidev/lodev);
printf ("lodev: %f\n",lodev);
printf ("hidev: %f\n",hidev);
printf ("imax=%d rawmax= %d whiteclip= %d gain= %f\n",imax,rawmax,whiteclip,gain);
printf ("octiles: %f %f %f %f %f %f %f %f\n",octile[0],octile[1],octile[2],octile[3],octile[4],octile[5],octile[6],octile[7]);
printf ("ospread= %f\n",ospread);
printf ("overexp= %i\n",overex);
}
*/
/*
// %%%%%%%%%% LEGACY AUTOEXPOSURE CODE %%%%%%%%%%%%%
// black point selection is based on the linear result (yielding better visual results)
black = (int)(shc * corr);
// compute the white point of the exp. compensated gamma corrected image
double whiteclipg = (int)(CurveFactory::gamma2 (whiteclip * corr / 65536.0) * 65536.0);
// compute average intensity of the exp compensated, gamma corrected image
double gavg = 0;
for (int i=0; i<65536>>histcompr; i++)
gavg += histogram[i] * CurveFactory::gamma2((int)(corr*(i<<histcompr)<65535 ? corr*(i<<histcompr) : 65535)) / sum;
if (black < gavg) {
int maxwhiteclip = (gavg - black) * 4 / 3 + black; // don't let whiteclip be such large that the histogram average goes above 3/4
//double mavg = 65536.0 / (whiteclipg-black) * (gavg - black);
if (whiteclipg < maxwhiteclip)
whiteclipg = maxwhiteclip;
}
whiteclipg = CurveFactory::igamma2 ((float)(whiteclipg/65535.0)) * 65535.0; //need to inverse gamma transform to get correct exposure compensation parameter
black = (int)((65535*black)/whiteclipg);
expcomp = log(65535.0 / (whiteclipg)) / log(2.0);
if (expcomp<0.0) expcomp = 0.0;*/
if (expcomp < -5.0) {
expcomp = -5.0;
}
if (expcomp > 12.0) {
expcomp = 12.0;
}
bright = max (-100, min (bright, 100));
}
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
double ImProcFunctions::getAutoDistor (const Glib::ustring &fname, int thumb_size)
{
if (!fname.empty()) {
rtengine::RawMetaDataLocation ri;
int w_raw = -1, h_raw = thumb_size;
int w_thumb = -1, h_thumb = thumb_size;
eSensorType sensorType = rtengine::ST_NONE;
Thumbnail* thumb = rtengine::Thumbnail::loadQuickFromRaw (fname, ri, sensorType, w_thumb, h_thumb, 1, FALSE);
if (!thumb) {
return 0.0;
}
Thumbnail* raw = rtengine::Thumbnail::loadFromRaw (fname, ri, sensorType, w_raw, h_raw, 1, 1.0, FALSE);
if (!raw) {
delete thumb;
return 0.0;
}
if (h_thumb != h_raw) {
delete thumb;
delete raw;
return 0.0;
}
int width;
if (w_thumb > w_raw) {
width = w_raw;
} else {
width = w_thumb;
}
unsigned char* thumbGray;
unsigned char* rawGray;
thumbGray = thumb->getGrayscaleHistEQ (width);
rawGray = raw->getGrayscaleHistEQ (width);
if (!thumbGray || !rawGray) {
if (thumbGray) {
delete thumbGray;
}
if (rawGray) {
delete rawGray;
}
delete thumb;
delete raw;
return 0.0;
}
double dist_amount;
int dist_result = calcDistortion (thumbGray, rawGray, width, h_thumb, 1, dist_amount);
if (dist_result == -1) { // not enough features found, try increasing max. number of features by factor 4
calcDistortion (thumbGray, rawGray, width, h_thumb, 4, dist_amount);
}
delete thumbGray;
delete rawGray;
delete thumb;
delete raw;
return dist_amount;
} else {
return 0.0;
}
}
void ImProcFunctions::rgb2lab (const Imagefloat &src, LabImage &dst, const Glib::ustring &workingSpace)
{
TMatrix wprof = ICCStore::getInstance()->workingSpaceMatrix ( workingSpace );
const float wp[3][3] = {
{static_cast<float> (wprof[0][0]), static_cast<float> (wprof[0][1]), static_cast<float> (wprof[0][2])},
{static_cast<float> (wprof[1][0]), static_cast<float> (wprof[1][1]), static_cast<float> (wprof[1][2])},
{static_cast<float> (wprof[2][0]), static_cast<float> (wprof[2][1]), static_cast<float> (wprof[2][2])}
};
const int W = src.getWidth();
const int H = src.getHeight();
#ifdef _OPENMP
#pragma omp parallel for schedule(dynamic,16)
#endif
for (int i = 0; i < H; i++) {
for (int j = 0; j < W; j++) {
float X, Y, Z;
Color::rgbxyz (src.r (i, j), src.g (i, j), src.b (i, j), X, Y, Z, wp);
//convert Lab
Color::XYZ2Lab (X, Y, Z, dst.L[i][j], dst.a[i][j], dst.b[i][j]);
}
}
}
void ImProcFunctions::lab2rgb (const LabImage &src, Imagefloat &dst, const Glib::ustring &workingSpace)
{
TMatrix wiprof = ICCStore::getInstance()->workingSpaceInverseMatrix ( workingSpace );
const float wip[3][3] = {
{static_cast<float> (wiprof[0][0]), static_cast<float> (wiprof[0][1]), static_cast<float> (wiprof[0][2])},
{static_cast<float> (wiprof[1][0]), static_cast<float> (wiprof[1][1]), static_cast<float> (wiprof[1][2])},
{static_cast<float> (wiprof[2][0]), static_cast<float> (wiprof[2][1]), static_cast<float> (wiprof[2][2])}
};
const int W = dst.getWidth();
const int H = dst.getHeight();
#ifdef __SSE2__
vfloat wipv[3][3];
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
wipv[i][j] = F2V (wiprof[i][j]);
}
}
#endif
#ifdef _OPENMP
#pragma omp parallel for schedule(dynamic,16)
#endif
for (int i = 0; i < H; i++) {
int j = 0;
#ifdef __SSE2__
for (; j < W - 3; j += 4) {
vfloat X, Y, Z;
vfloat R, G, B;
Color::Lab2XYZ (LVFU (src.L[i][j]), LVFU (src.a[i][j]), LVFU (src.b[i][j]), X, Y, Z);
Color::xyz2rgb (X, Y, Z, R, G, B, wipv);
STVFU (dst.r (i, j), R);
STVFU (dst.g (i, j), G);
STVFU (dst.b (i, j), B);
}
#endif
for (; j < W; j++) {
float X, Y, Z;
Color::Lab2XYZ (src.L[i][j], src.a[i][j], src.b[i][j], X, Y, Z);
Color::xyz2rgb (X, Y, Z, dst.r (i, j), dst.g (i, j), dst.b (i, j), wip);
}
}
}
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
// adapted from the "color correction" module of Darktable. Original copyright follows
/*
copyright (c) 2009--2010 johannes hanika.
darktable is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
darktable is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with darktable. If not, see <https://www.gnu.org/licenses/>.
*/
void ImProcFunctions::colorToningLabGrid(LabImage *lab, int xstart, int xend, int ystart, int yend, bool MultiThread)
{
const float factor = ColorToningParams::LABGRID_CORR_MAX * 3.f;
const float scaling = ColorToningParams::LABGRID_CORR_SCALE;
float a_scale = (params->colorToning.labgridAHigh - params->colorToning.labgridALow) / factor / scaling;
float a_base = params->colorToning.labgridALow / scaling;
float b_scale = (params->colorToning.labgridBHigh - params->colorToning.labgridBLow) / factor / scaling;
float b_base = params->colorToning.labgridBLow / scaling;
#ifdef _OPENMP
#pragma omp parallel for if (multiThread)
#endif
for (int y = ystart; y < yend; ++y) {
for (int x = xstart; x < xend; ++x) {
lab->a[y][x] += lab->L[y][x] * a_scale + a_base;
lab->b[y][x] += lab->L[y][x] * b_scale + b_base;
}
}
}
}
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