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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 <http://www.gnu.org/licenses/>.
*/
#include <cmath>
#include <glib.h>
#include <glibmm.h>
#include "rtengine.h"
#include "improcfun.h"
#include "curves.h"
#include "colorclip.h"
#include "gauss.h"
#include "bilateral2.h"
#include "mytime.h"
#include "iccstore.h"
#include "impulse_denoise.h"
#include "imagesource.h"
#include "rtthumbnail.h"
#include "utils.h"
#include "iccmatrices.h"
#include "color.h"
#include "calc_distort.h"
#include "rt_math.h"
#include "EdgePreservingDecomposition.h"
#include "improccoordinator.h"
#include "clutstore.h"
#include "ciecam02.h"
#ifdef _OPENMP
#include <omp.h>
#endif
#undef CLIPD
#define CLIPD(a) ((a)>0.0f?((a)<1.0f?(a):1.0f):0.0f)
namespace rtengine
{
using namespace procparams;
#undef ABS
#undef CLIPS
#undef CLIPC
#define ABS(a) ((a)<0?-(a):(a))
#define CLIPS(a) ((a)>-32768?((a)<32767?(a):32767):-32768)
#define CLIPC(a) ((a)>-32000?((a)<32000?(a):32000):-32000)
#define CLIP2(a) ((a)<MAXVAL ? a : MAXVAL )
#define FCLIP(a) ((a)>0.0?((a)<65535.5?(a):65535.5):0.0)
extern const Settings* settings;
LUTf ImProcFunctions::cachef;
LUTf ImProcFunctions::gamma2curve;
void ImProcFunctions::initCache ()
{
const int maxindex = 65536;
cachef(maxindex, 0/*LUT_CLIP_BELOW*/);
gamma2curve(maxindex, 0);
for (int i = 0; i < maxindex; i++) {
if (i > Color::eps_max) {
cachef[i] = 327.68 * ( exp(1.0 / 3.0 * log((double)i / MAXVALD) ));
} else {
cachef[i] = 327.68 * ((Color::kappa * i / MAXVALD + 16.0) / 116.0);
}
}
for (int i = 0; i < maxindex; i++) {
gamma2curve[i] = (CurveFactory::gamma2(i / 65535.0) * 65535.0);
}
}
void ImProcFunctions::cleanupCache ()
{
}
ImProcFunctions::~ImProcFunctions ()
{
if (monitorTransform != NULL) {
cmsDeleteTransform (monitorTransform);
}
if (output2monitorTransform != NULL) {
cmsDeleteTransform (output2monitorTransform);
}
if (lab2outputTransform != NULL) {
cmsDeleteTransform (lab2outputTransform);
}
}
void ImProcFunctions::setScale (double iscale)
{
scale = iscale;
}
// Called from several threads
void ImProcFunctions::firstAnalysisThread (Imagefloat* original, Glib::ustring wprofile, unsigned int* histogram, int row_from, int row_to)
{
TMatrix wprof = iccStore->workingSpaceMatrix (wprofile);
lumimul[0] = wprof[1][0];
lumimul[1] = wprof[1][1];
lumimul[2] = wprof[1][2];
int W = original->width;
for (int i = row_from; i < row_to; i++) {
for (int j = 0; j < W; j++) {
int r = original->r(i, j);
int g = original->g(i, j);
int b = original->b(i, j);
int y = CLIP((int)(lumimul[0] * r + lumimul[1] * g + lumimul[2] * b)) ;
if (histogram) {
histogram[y]++;
}
}
}
}
/*
void ImProcFunctions::CAT02 (Imagefloat* baseImg, const ProcParams* params)
{
const double toxyz[3][3] = {{0.7976749, 0.1351917, 0.0313534},
{0.2880402, 0.7118741, 0.0000857},
{0.0000000, 0.0000000, 0.8252100}};
const double xyzto[3][3] = {{1.3459433, -0.2556075, -0.0511118},
{-0.5445989, 1.5081673, 0.0205351},
{0.0000000, 0.0000000, 1.2118128}};
int fw = baseImg->width;
int fh = baseImg->height;
double CAM02BB00,CAM02BB01,CAM02BB02,CAM02BB10,CAM02BB11,CAM02BB12,CAM02BB20,CAM02BB21,CAM02BB22;
double Xxx,Yyy,Zzz;
// Xxx=1.09844;
// Yyy=1.0;
// Zzz=0.355961;
//params.wb.temperature, params.wb.green, params.wb.method
double Xxyz, Zxyz;
// ColorTemp::temp2mulxyz (params->wb.temperature, params->wb.green, params->wb.method, Xxyz, Zxyz);
ColorTemp::temp2mulxyz (5000.0, 1.0, "Camera", Xxyz, Zxyz);
ColorTemp::cieCAT02(Xxx, Yyy, Zzz, CAM02BB00,CAM02BB01,CAM02BB02,CAM02BB10,CAM02BB11,CAM02BB12,CAM02BB20,CAM02BB21,CAM02BB22);
printf("00=%f 01=%f 11=%f 20=%f 22=%f\n", CAM02BB00,CAM02BB01,CAM02BB11,CAM02BB20,CAM02BB22);
for (int i=0; i<fh; i++) {
for (int j=0; j<fw; j++) {
float r = baseImg->r(i,j);
float g = baseImg->g(i,j);
float b = baseImg->b(i,j);
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 Xcam=CAM02BB00* x +CAM02BB01* y + CAM02BB02* z ;
float Ycam=CAM02BB10* x +CAM02BB11* y + CAM02BB12* z ;
float Zcam=CAM02BB20* x +CAM02BB21* y + CAM02BB22* z ;
baseImg->r(i,j) = xyzto[0][0] * Xcam + xyzto[0][1] * Ycam + xyzto[0][2] * Zcam;
baseImg->g(i,j) = xyzto[1][0] * Xcam + xyzto[1][1] * Ycam + xyzto[1][2] * Zcam;
baseImg->b(i,j) = xyzto[2][0] * Xcam + xyzto[2][1] * Ycam + xyzto[2][2] * Zcam;
}
}
}
*/
void ImProcFunctions::firstAnalysis (Imagefloat* original, const ProcParams* params, LUTu & histogram)
{
// set up monitor transform
Glib::ustring wprofile = params->icm.working;
if (monitorTransform != NULL) {
cmsDeleteTransform (monitorTransform);
}
if (output2monitorTransform != NULL) {
cmsDeleteTransform (output2monitorTransform);
}
if (lab2outputTransform != NULL) {
cmsDeleteTransform (lab2outputTransform);
}
monitorTransform = NULL;
output2monitorTransform = NULL;
lab2outputTransform = NULL;
#if !defined(__APPLE__) // No support for monitor profiles on OS X, all data is sRGB
Glib::ustring monitorProfile = settings->monitorProfile;
#if defined(WIN32)
if (settings->autoMonitorProfile) {
monitorProfile = iccStore->defaultMonitorProfile;
}
#endif
cmsHPROFILE monitor = iccStore->getProfile ("file:" + monitorProfile);
if (monitor) {
lcmsMutex->lock ();
cmsHPROFILE iprof = cmsCreateLab4Profile(NULL);
monitorTransform = cmsCreateTransform (iprof, TYPE_Lab_FLT, monitor, TYPE_RGB_8, INTENT_RELATIVE_COLORIMETRIC,
cmsFLAGS_NOOPTIMIZE | cmsFLAGS_NOCACHE ); // NOCACHE is for thread safety, NOOPTIMIZE for precision
Glib::ustring outputProfile;
if (params->icm.output != "" && params->icm.output != ColorManagementParams::NoICMString) {
outputProfile = params->icm.output;
cmsHPROFILE jprof = iccStore->getProfile(outputProfile);
if (jprof) {
lab2outputTransform = cmsCreateTransform (iprof, TYPE_Lab_FLT, jprof, TYPE_RGB_FLT, INTENT_RELATIVE_COLORIMETRIC, cmsFLAGS_NOOPTIMIZE | cmsFLAGS_NOCACHE );
if (monitor) {
output2monitorTransform = cmsCreateTransform (jprof, TYPE_RGB_FLT, monitor, TYPE_RGB_8, INTENT_RELATIVE_COLORIMETRIC, cmsFLAGS_NOOPTIMIZE | cmsFLAGS_NOCACHE );
}
}
}
cmsCloseProfile(iprof);
lcmsMutex->unlock ();
}
#endif
// calculate histogram of the y channel needed for contrast curve calculation in exposure adjustments
int T = 1;
#ifdef _OPENMP
if(multiThread) {
T = omp_get_max_threads();
}
#endif
unsigned int** hist = new unsigned int* [T];
for (int i = 0; i < T; i++) {
hist[i] = new unsigned int[65536];
memset (hist[i], 0, 65536 * sizeof(int));
}
#ifdef _OPENMP
#pragma omp parallel if (multiThread)
{
int H = original->height;
int tid = omp_get_thread_num();
int nthreads = omp_get_num_threads();
int blk = H / nthreads;
if (tid < nthreads - 1) {
firstAnalysisThread (original, wprofile, hist[tid], tid * blk, (tid + 1)*blk);
} else {
firstAnalysisThread (original, wprofile, hist[tid], tid * blk, H);
}
}
#else
firstAnalysisThread (original, wprofile, hist[0], 0, original->height);
#endif
histogram.clear();
for (int j = 0; j < T; j++)
for (int i = 0; i < 65536; i++) {
histogram[i] += hist[j][i];
}
for (int i = 0; i < T; i++) {
delete [] hist[i];
}
delete [] hist;
}
// Copyright (c) 2012 Jacques Desmis <jdesmis@gmail.com>
void ImProcFunctions::ciecam_02 (CieImage* ncie, double adap, int begh, int endh, 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, double &d, int scalecd, int rtt)
{
if(params->colorappearance.enabled) {
//int lastskip;
//if(rtt==1) {lastskip=scalecd;} //not for Rtthumbnail
#ifdef _DEBUG
MyTime t1e, t2e;
t1e.set();
#endif
LUTf dLcurve;
LUTu hist16JCAM;
bool jp = false;
float val;
//preparate for histograms CIECAM
if(pW != 1) { //only with improccoordinator
dLcurve(65536, 0);
dLcurve.clear();
hist16JCAM(65536, 0);
hist16JCAM.clear();
for (int i = 0; i < 32768; i++) { //# 32768*1.414 approximation maxi for chroma
val = (double)i / 32767.0;
dLcurve[i] = CLIPD(val);
}
}
LUTf dCcurve;
LUTu hist16_CCAM;
bool chropC = false;
float valc;
if(pW != 1) { //only with improccoordinator
dCcurve(65536, 0);
hist16_CCAM(65536);
hist16_CCAM.clear();
for (int i = 0; i < 48000; i++) { //# 32768*1.414 approximation maxi for chroma
valc = (double)i / 47999.0;
dCcurve[i] = CLIPD(valc);
}
}
//end preparate histogram
int width = lab->W, height = lab->H;
float minQ = 10000.f;
float minM = 10000.f;
float maxQ = -1000.f;
float maxM = -1000.f;
float w_h;
float a_w;
float c_;
float f_l;
double Yw;
Yw = 1.0;
double Xw, Zw;
double f, c, nc, yb, la, xw, yw, zw, f2, c2, nc2, yb2, la2;
double fl, n, nbb, ncb, aw;
double xwd, ywd, zwd;
int alg = 0;
bool algepd = false;
float sum = 0.f;
bool ciedata = params->colorappearance.datacie;
ColorTemp::temp2mulxyz (params->wb.temperature, params->wb.green, params->wb.method, Xw, Zw); //compute white Xw Yw Zw : white current WB
//viewing condition for surround
if(params->colorappearance.surround == "Average") {
f = 1.00;
c = 0.69;
nc = 1.00;
f2 = 1.0, c2 = 0.69, nc2 = 1.0;
} else if(params->colorappearance.surround == "Dim") {
f2 = 0.9;
c2 = 0.59;
nc2 = 0.9;
f = 1.0, c = 0.69, nc = 1.0;
} else if(params->colorappearance.surround == "Dark") {
f2 = 0.8;
c2 = 0.525;
nc2 = 0.8;
f = 1.0, c = 0.69, nc = 1.0;
} else if(params->colorappearance.surround == "ExtremelyDark") {
f2 = 0.8;
c2 = 0.41;
nc2 = 0.8;
f = 1.0, c = 0.69, nc = 1.0;
}
//scene condition for surround
if(params->colorappearance.surrsource == true) {
f = 0.85; // if user => source image has surround very dark
c = 0.55;
nc = 0.85;
}
//with which algorithme
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;
}
bool needJ = (alg == 0 || alg == 1 || alg == 3);
bool needQ = (alg == 2 || alg == 3);
//settings white point of output device - or illuminant viewing
if(settings->viewingdevice == 0) {
xwd = 96.42; //5000K
ywd = 100.0;
zwd = 82.52;
} else if(settings->viewingdevice == 1) {
xwd = 95.68; //5500
ywd = 100.0;
zwd = 92.15;
} else if(settings->viewingdevice == 2) {
xwd = 95.24; //6000
ywd = 100.0;
zwd = 100.81;
} else if(settings->viewingdevice == 3) {
xwd = 95.04; //6500
ywd = 100.0;
zwd = 108.88;
} else if(settings->viewingdevice == 4) {
xwd = 109.85; //tungsten
ywd = 100.0;
zwd = 35.58;
} else if(settings->viewingdevice == 5) {
xwd = 99.18; //fluo F2
ywd = 100.0;
zwd = 67.39;
} else if(settings->viewingdevice == 6) {
xwd = 95.04; //fluo F7
ywd = 100.0;
zwd = 108.75;
} else if(settings->viewingdevice == 7) {
xwd = 100.96; //fluo F11
ywd = 100.0;
zwd = 64.35;
}
//settings mean Luminance Y of output device or viewing
if(settings->viewingdevicegrey == 0) {
yb2 = 5.0;
} else if(settings->viewingdevicegrey == 1) {
yb2 = 10.0;
} else if(settings->viewingdevicegrey == 2) {
yb2 = 15.0;
} else if(settings->viewingdevicegrey == 3) {
yb2 = 18.0;
} else if(settings->viewingdevicegrey == 4) {
yb2 = 23.0;
} else if(settings->viewingdevicegrey == 5) {
yb2 = 30.0;
} else if(settings->viewingdevicegrey == 6) {
yb2 = 40.0;
}
//La and la2 = ambiant luminosity scene and viewing
la = double(params->colorappearance.adapscen);
if(pwb == 2) {
if(params->colorappearance.autoadapscen) {
la = adap;
}
}
la2 = double(params->colorappearance.adaplum);
// level of adaptation
double deg = (params->colorappearance.degree) / 100.0;
double pilot = params->colorappearance.autodegree ? 2.0 : deg;
//algoritm's params
float jli = params->colorappearance.jlight;
float chr = params->colorappearance.chroma;
float contra = params->colorappearance.contrast;
float qbri = params->colorappearance.qbright;
float schr = params->colorappearance.schroma;
float mchr = params->colorappearance.mchroma;
float qcontra = params->colorappearance.qcontrast;
float hue = params->colorappearance.colorh;
double rstprotection = 100. - params->colorappearance.rstprotection;
if(schr > 0.0) {
schr = schr / 2.0f; //divide sensibility for saturation
}
// extracting datas from 'params' to avoid cache flush (to be confirmed)
ColorAppearanceParams::eTCModeId curveMode = params->colorappearance.curveMode;
ColorAppearanceParams::eTCModeId curveMode2 = params->colorappearance.curveMode2;
bool hasColCurve1 = bool(customColCurve1);
bool hasColCurve2 = bool(customColCurve2);
ColorAppearanceParams::eCTCModeId curveMode3 = params->colorappearance.curveMode3;
bool hasColCurve3 = bool(customColCurve3);
if(CAMBrightCurveJ.dirty || CAMBrightCurveQ.dirty) {
LUTu hist16J;
LUTu hist16Q;
if (needJ) {
hist16J (65536);
hist16J.clear();
}
if (needQ) {
hist16Q (65536);
hist16Q.clear();
}
float koef = 1.0f; //rough correspondence between L and J
for (int i = 0; i < height; i++)
// for (int i=begh; i<endh; i++)
for (int j = 0; j < width; j++) { //rough correspondence between L and J
float currL = lab->L[i][j] / 327.68f;
if (currL > 95.) {
koef = 1.f;
} else if(currL > 85.) {
koef = 0.97f;
} else if(currL > 80.) {
koef = 0.93f;
} else if(currL > 70.) {
koef = 0.87f;
} else if(currL > 60.) {
koef = 0.85f;
} else if(currL > 50.) {
koef = 0.8f;
} else if(currL > 40.) {
koef = 0.75f;
} else if(currL > 30.) {
koef = 0.7f;
} else if(currL > 20.) {
koef = 0.7f;
} else if(currL > 10.) {
koef = 0.9f;
} else if(currL > 0.) {
koef = 1.0f;
}
if (needJ) {
hist16J[CLIP((int)((koef * lab->L[i][j])))]++; //evaluate histogram luminance L # J
}
if (needQ) {
hist16Q[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
}
sum += koef * lab->L[i][j]; //evaluate mean J to calcualte Yb
}
//mean=(sum/((endh-begh)*width))/327.68f;//for Yb for all image...if one day "pipette" we can adapt Yb for each zone
mean = (sum / ((height) * width)) / 327.68f; //for Yb for all image...if one day "pipette" we can adapt Yb for each zone
//evaluate lightness, contrast
if (needJ) {
if (!CAMBrightCurveJ) {
CAMBrightCurveJ(65536, 0);
CAMBrightCurveJ.dirty = false;
}
Ciecam02::curveJ (jli, contra, 1, CAMBrightCurveJ, hist16J);//lightness and contrast J
}
if (needQ) {
if (!CAMBrightCurveQ) {
CAMBrightCurveQ(65536, 0);
CAMBrightCurveQ.dirty = false;
}
Ciecam02::curveJ (qbri, qcontra, 1, CAMBrightCurveQ, hist16Q);//brightness and contrast Q
}
}
if(settings->viewinggreySc == 0) { //auto
if (mean < 15.f) {
yb = 3.0;
} else if(mean < 30.f) {
yb = 5.0;
} else if(mean < 40.f) {
yb = 10.0;
} else if(mean < 45.f) {
yb = 15.0;
} else if(mean < 50.f) {
yb = 18.0;
} else if(mean < 55.f) {
yb = 23.0;
} else if(mean < 60.f) {
yb = 30.0;
} else if(mean < 70.f) {
yb = 40.0;
} else if(mean < 80.f) {
yb = 60.0;
} else if(mean < 90.f) {
yb = 80.0;
} else {
yb = 90.0;
}
}
if(settings->viewinggreySc == 1) {
yb = 18.0;
}
int gamu = 0;
bool highlight = params->toneCurve.hrenabled; //Get the value if "highlight reconstruction" is activated
if(params->colorappearance.gamut == true) {
gamu = 1; //enabled gamut control
}
xw = 100.0 * Xw;
yw = 100.0 * Yw;
zw = 100.0 * Zw;
double xw1, yw1, zw1, xw2, yw2, zw2;
// settings of WB: scene and viewing
if(params->colorappearance.wbmodel == "RawT") {
xw1 = 96.46; //use RT WB; CAT 02 is used for output device (see prefreneces)
yw1 = 100.0;
zw1 = 82.445;
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;
}
double cz, wh, pfl;
Ciecam02::initcam1(gamu, yb, pilot, f, la, xw, yw, zw, n, d, nbb, ncb, cz, aw, wh, pfl, fl, c);
double nj, dj, nbbj, ncbj, czj, awj, flj;
Ciecam02::initcam2(gamu, yb2, f2, la2, xw2, yw2, zw2, nj, dj, nbbj, ncbj, czj, awj, flj);
#ifndef _DEBUG
#pragma omp parallel default(shared) firstprivate(lab,xw1,xw2,yw1,yw2,zw1,zw2,pilot,jli,chr,yb,la,yb2,la2,fl,nc,f,c, height,width,begh, endh,nc2,f2,c2, alg,algepd, gamu, highlight, rstprotection, pW, scalecd)
#endif
{
//matrix for current working space
TMatrix wiprof = iccStore->workingSpaceInverseMatrix (params->icm.working);
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]}
};
#ifndef _DEBUG
#pragma omp for schedule(dynamic, 10)
#endif
for (int i = 0; i < height; i++)
// for (int i=begh; i<endh; i++)
for (int j = 0; j < width; j++) {
float L = lab->L[i][j];
float a = lab->a[i][j];
float b = lab->b[i][j];
float x1, y1, z1;
double x, y, z;
double epsil = 0.0001;
//convert Lab => XYZ
Color::Lab2XYZ(L, a, b, x1, y1, z1);
// double J, C, h, Q, M, s, aw, fl, wh;
double J, C, h, Q, M, s;
double Jpro, Cpro, hpro, Qpro, Mpro, spro;
bool t1L = false;
bool t1B = false;
bool t2B = false;
int c1s = 0;
int c1co = 0;
//double n,nbb,ncb,pfl,cz,d;
x = (double)x1 / 655.35;
y = (double)y1 / 655.35;
z = (double)z1 / 655.35;
//process source==> normal
Ciecam02::xyz2jchqms_ciecam02( J, C, h,
Q, M, s, aw, fl, wh,
x, y, z,
xw1, yw1, zw1,
yb, la,
f, c, nc, pilot, gamu , n, nbb, ncb, pfl, cz, d );
Jpro = J;
Cpro = C;
hpro = h;
Qpro = Q;
Mpro = M;
spro = s;
w_h = wh + epsil;
a_w = aw;
c_ = c;
f_l = fl;
// we cannot have all algoritms with all chroma curves
if(alg == 1) {
// Lightness saturation
if(Jpro > 99.9f) {
Jpro = 99.9f;
}
Jpro = (CAMBrightCurveJ[(float)(Jpro * 327.68)]) / 327.68; //ligthness CIECAM02 + contrast
double sres;
double Sp = spro / 100.0;
double parsat = 1.5;
parsat = 1.5; //parsat=1.5 =>saturation ; 1.8 => chroma ; 2.5 => colorfullness (personal evaluation)
if(schr == -100.0) {
schr = -99.8;
}
Ciecam02::curvecolor(schr, Sp , sres, parsat);
double coe = pow(fl, 0.25);
float dred = 100.f; // in C mode
float protect_red = 80.0f; // in C mode
dred = 100.0 * sqrt((dred * coe) / Qpro);
protect_red = 100.0 * sqrt((protect_red * coe) / Qpro);
int sk = 0;
float ko = 100.f;
Color::skinred(Jpro, hpro, sres, Sp, dred, protect_red, sk, rstprotection, ko, spro);
Qpro = ( 4.0 / c ) * sqrt( Jpro / 100.0 ) * ( aw + 4.0 ) ;
Cpro = (spro * spro * Qpro) / (10000.0);
} else if(alg == 3 || alg == 0 || alg == 2) {
double coef = 32760. / wh;
if(alg == 3 || alg == 2) {
if(Qpro * coef > 32767.0f) {
Qpro = (CAMBrightCurveQ[(float)32767.0f]) / coef; //brightness and contrast
} else {
Qpro = (CAMBrightCurveQ[(float)(Qpro * coef)]) / coef; //brightness and contrast
}
}
double Mp, sres;
double coe = pow(fl, 0.25);
Mp = Mpro / 100.0;
double parsat = 2.5;
if(mchr == -100.0) {
mchr = -99.8 ;
}
if(mchr == 100.0) {
mchr = 99.9;
}
if(alg == 3 || alg == 2) {
Ciecam02::curvecolor(mchr, Mp , sres, parsat);
} else {
Ciecam02::curvecolor(0.0, Mp , sres, parsat); //colorfullness
}
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
int sk = 0;
float ko = 100.f;
Color::skinred(Jpro, hpro, sres, Mp, dred, protect_red, sk, rstprotection, ko, Mpro);
Jpro = (100.0 * Qpro * Qpro) / (wh * wh);
Cpro = Mpro / coe;
spro = 100.0 * sqrt( Mpro / Qpro );
if(alg != 2) {
if(Jpro > 99.9f) {
Jpro = 99.9f;
}
Jpro = (CAMBrightCurveJ[(float)(Jpro * 327.68f)]) / 327.68f; //ligthness CIECAM02 + contrast
}
double Cp;
double Sp = spro / 100.0;
parsat = 1.5;
if(schr == -100.0) {
schr = -99.;
}
if(schr == 100.0) {
schr = 98.;
}
if(alg == 3) {
Ciecam02::curvecolor(schr, Sp , sres, parsat);
} else {
Ciecam02::curvecolor(0.0, Sp , sres, parsat); //saturation
}
dred = 100.f; // in C mode
protect_red = 80.0f; // in C mode
dred = 100.0 * sqrt((dred * coe) / Q);
protect_red = 100.0 * sqrt((protect_red * coe) / Q);
sk = 0;
Color::skinred(Jpro, hpro, sres, Sp, dred, protect_red, sk, rstprotection, ko, spro);
//double Q1;
Qpro = ( 4.0 / c ) * sqrt( Jpro / 100.0 ) * ( aw + 4.0 ) ;
Cpro = (spro * spro * Qpro) / (10000.0);
Cp = Cpro / 100.0;
parsat = 1.8; //parsat=1.5 =>saturation ; 1.8 => chroma ; 2.5 => colorfullness (personal evaluation : for not)
if(chr == -100.0) {
chr = -99.8;
}
if(alg != 2) {
Ciecam02::curvecolor(chr, Cp , sres, parsat);
} else {
Ciecam02::curvecolor(0.0, Cp , sres, parsat); //chroma
}
dred = 55.f;
protect_red = 30.0f;
sk = 1;
Color::skinred(Jpro, hpro, sres, Cp, dred, protect_red, sk, rstprotection, ko, Cpro);
if(Jpro < 1. && Cpro > 12.) {
Cpro = 12.; //reduce artifacts by "pseudo gamut control CIECAM"
} else if(Jpro < 2. && Cpro > 15.) {
Cpro = 15.;
} else if(Jpro < 4. && Cpro > 30.) {
Cpro = 30.;
} else if(Jpro < 7. && Cpro > 50.) {
Cpro = 50.;
}
hpro = hpro + hue;
if( hpro < 0.0 ) {
hpro += 360.0; //hue
}
}
if (hasColCurve1) {//curve 1 with Lightness and Brightness
if (curveMode == ColorAppearanceParams::TC_MODE_LIGHT) {
/* float Jj=(float) Jpro*327.68;
float Jold=Jj;
const Lightcurve& userColCurve = static_cast<const Lightcurve&>(customColCurve1);
userColCurve.Apply(Jj);
Jj=0.7f*(Jj-Jold)+Jold;//divide sensibility
*/
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 = (double)(Jj / 327.68f);
if(Jpro < 1.) {
Jpro = 1.;
}
t1L = true;
} else if (curveMode == ColorAppearanceParams::TC_MODE_BRIGHT) {
//attention! Brightness curves are open - unlike Lightness or Lab or RGB==> rendering and algoritms will be different
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& 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
}
Qpro = (double)(Qq * (coef) / 327.68f);
Jpro = 100.*(Qpro * Qpro) / ((4.0 / c) * (4.0 / c) * (aw + 4.0) * (aw + 4.0));
t1B = true;
if(Jpro < 1.) {
Jpro = 1.;
}
}
}
if (hasColCurve2) {//curve 2 with Lightness and Brightness
if (curveMode2 == ColorAppearanceParams::TC_MODE_LIGHT) {
float Jj = (float) Jpro * 327.68;
float Jold = Jj;
/*
const Lightcurve& userColCurve = static_cast<const Lightcurve&>(customColCurve2);
userColCurve.Apply(Jj);
Jj=0.7f*(Jj-Jold)+Jold;//divide sensibility
*/
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 = (double)(Jj / 327.68f);
if(Jpro < 1.) {
Jpro = 1.;
}
} else if (curveMode2 == ColorAppearanceParams::TC_MODE_BRIGHT) { //
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
}
Qpro = (double)(Qq * (coef) / 327.68f);
Jpro = 100.*(Qpro * Qpro) / ((4.0 / c) * (4.0 / c) * (aw + 4.0) * (aw + 4.0));
t2B = true;
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 = 0.1f * (Qq - Qold) + Qold; //approximative adaptation
Qpro = (double)(Qq / coef);
Jpro = 100.*(Qpro * Qpro) / ((4.0 / c) * (4.0 / c) * (aw + 4.0) * (aw + 4.0));
}
if(Jpro < 1.) {
Jpro = 1.;
}
}
}
if (hasColCurve3) {//curve 3 with chroma saturation colorfullness
if (curveMode3 == ColorAppearanceParams::TC_MODE_CHROMA) {
double parsat = 0.8; //0.68;
double coef = 327.68 / 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;
float sk = 1;
float ko = 1.f / coef;
Color::skinred(Jpro, hpro, Cc, Ccold, dred, protect_red, sk, rstprotection, ko, Cpro);
if(Jpro < 1. && Cpro > 12.) {
Cpro = 12.; //reduce artifacts by "pseudo gamut control CIECAM"
} else if(Jpro < 2. && Cpro > 15.) {
Cpro = 15.;
} else if(Jpro < 4. && Cpro > 30.) {
Cpro = 30.;
} else if(Jpro < 7. && Cpro > 50.) {
Cpro = 50.;
}
// Cpro=Cc/coef;
} else if (curveMode3 == ColorAppearanceParams::TC_MODE_SATUR) { //
double parsat = 0.8; //0.6
double coef = 327.68 / 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
double coe = pow(fl, 0.25);
float dred = 100.f; // in C mode
float protect_red = 80.0f; // in C mode
dred = 100.0 * sqrt((dred * coe) / Qpro);
protect_red = 100.0 * sqrt((protect_red * coe) / Qpro);
int sk = 0;
float ko = 1.f / coef;
Color::skinred(Jpro, hpro, Ss, Sold, dred, protect_red, sk, rstprotection, ko, spro);
Qpro = ( 4.0 / c ) * sqrt( Jpro / 100.0 ) * ( aw + 4.0 ) ;
Cpro = (spro * spro * Qpro) / (10000.0);
c1s = 1;
} else if (curveMode3 == ColorAppearanceParams::TC_MODE_COLORF) { //
double parsat = 0.8; //0.68;
double coef = 327.68 / parsat;
float Mm = (float) Mpro * coef;
float Mold = Mm;
const Colorfcurve& userColCurve = static_cast<const Colorfcurve&>(customColCurve3);
userColCurve.Apply(Mm);
double coe = pow(fl, 0.25);
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::skinred(Jpro, hpro, Mm, Mold, dred, protect_red, sk, rstprotection, ko, Mpro);
Cpro = Mpro / coe;
if(Jpro < 1. && Mpro > 12.*coe) {
Mpro = 12.*coe; //reduce artifacts by "pseudo gamut control CIECAM"
} else if(Jpro < 2. && Mpro > 15.*coe) {
Mpro = 15.*coe;
} else if(Jpro < 4. && Mpro > 30.*coe) {
Mpro = 30.*coe;
} else if(Jpro < 7. && Mpro > 50.*coe) {
Mpro = 50.*coe;
}
c1co = 1;
}
}
//to retrieve the correct values of variables
if(t2B && t1B) {
Jpro = (100.0 * Qpro * Qpro) / (wh * wh); // for brightness curve
}
if(c1s == 1) {
Qpro = ( 4.0 / c ) * sqrt( Jpro / 100.0 ) * ( aw + 4.0 ) ; //for saturation curve
Cpro = (spro * spro * Qpro) / (10000.0);
}
if(c1co == 1) {
double coe = pow(fl, 0.25); // for colorfullness curve
Cpro = Mpro / coe;
}
//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
// if(params->colorappearance.tonecie || params->colorappearance.sharpcie){//use pointer for tonemapping with CIECAM and also sharpening , defringe, contrast detail
float Qred = ( 4.0 / c) * ( aw + 4.0 ); //estimate Q max if J=100.0
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->s_p[i][j]=(float)s;
ncie->sh_p[i][j] = (float) 32768.*(( 4.0 / c ) * sqrt( J / 100.0 ) * ( aw + 4.0 )) / Qred ;
// ncie->ch_p[i][j]=(float) 327.68*C;
if(ncie->Q_p[i][j] < minQ) {
minQ = ncie->Q_p[i][j]; //minima
}
if(ncie->Q_p[i][j] > maxQ) {
maxQ = ncie->Q_p[i][j]; //maxima
}
}
if(!params->colorappearance.tonecie || !settings->autocielab || !params->epd.enabled ) {
// if(!params->epd.enabled || !params->colorappearance.tonecie || !settings->autocielab){
// if(!params->epd.enabled || !params->colorappearance.tonecie || !params->colorappearance.sharpcie){
int posl, posc;
double brli = 327.;
double chsacol = 327.;
int libr = 0;
int colch = 0;
if(curveMode == ColorAppearanceParams::TC_MODE_BRIGHT) {
brli = 70.0;
libr = 1;
} else if(curveMode == ColorAppearanceParams::TC_MODE_LIGHT) {
brli = 327.;
libr = 0;
}
if (curveMode3 == ColorAppearanceParams::TC_MODE_CHROMA) {
chsacol = 327.;
colch = 0;
} else if(curveMode3 == ColorAppearanceParams::TC_MODE_SATUR) {
chsacol = 450.0;
colch = 1;
} else if(curveMode3 == ColorAppearanceParams::TC_MODE_COLORF) {
chsacol = 327.0;
colch = 2;
}
if(ciedata) {
// Data for J Q M s and C histograms
//update histogram
jp = true;
if(pW != 1) { //only with improccoordinator
if(libr == 1) {
posl = CLIP((int)(Q * brli)); //40.0 to 100.0 approximative factor for Q - 327 for J
} else if(libr == 0) {
posl = CLIP((int)(J * brli)); //327 for J
}
hist16JCAM[posl]++;
}
chropC = true;
if(pW != 1) { //only with improccoordinator
if(colch == 0) {
posc = CLIP((int)(C * chsacol)); //450.0 approximative factor for s 320 for M
} else if(colch == 1) {
posc = CLIP((int)(s * chsacol));
} else if(colch == 2) {
posc = CLIP((int)(M * chsacol));
}
hist16_CCAM[posc]++;
}
}
double xx, yy, zz;
//double nj, nbbj, ncbj, flj, czj, dj, awj;
//process normal==> viewing
Ciecam02::jch2xyz_ciecam02( xx, yy, zz,
J, C, h,
xw2, yw2, zw2,
yb2, la2,
f2, c2, nc2, gamu, nj, nbbj, ncbj, flj, czj, dj, awj);
x = (float)xx * 655.35;
y = (float)yy * 655.35;
z = (float)zz * 655.35;
float Ll, aa, bb;
//convert xyz=>lab
Color::XYZ2Lab(x, y, z, Ll, aa, bb);
lab->L[i][j] = Ll;
lab->a[i][j] = aa;
lab->b[i][j] = bb;
// gamut control in Lab mode; I must study how to do with cIECAM only
if(gamu == 1) {
float R, G, B;
float HH, Lprov1, Chprov1;
Lprov1 = lab->L[i][j] / 327.68f;
Chprov1 = sqrt(SQR(lab->a[i][j] / 327.68f) + SQR(lab->b[i][j] / 327.68f));
HH = atan2(lab->b[i][j], lab->a[i][j]);
#ifdef _DEBUG
bool neg = false;
bool more_rgb = false;
//gamut control : Lab values are in gamut
Color::gamutLchonly(HH, 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, Lprov1, Chprov1, R, G, B, wip, highlight, 0.15f, 0.96f);
#endif
lab->L[i][j] = Lprov1 * 327.68f;
lab->a[i][j] = 327.68f * Chprov1 * cos(HH);
lab->b[i][j] = 327.68f * Chprov1 * sin(HH);
}
}
}
}
// End of parallelization
if(!params->epd.enabled || !params->colorappearance.tonecie || !settings->autocielab) { //normal
//if(!params->epd.enabled || !params->colorappearance.tonecie || !params->colorappearance.sharpcie){//normal
if(ciedata) {
//update histogram J
if(pW != 1) { //only with improccoordinator
for (int i = 0; i < 32768; i++) { //
if (jp) {
float hval = dLcurve[i];
int hi = (int)(255.0 * CLIPD(hval)); //
histLCAM[hi] += hist16JCAM[i] ;
}
}
}
if(pW != 1) { //only with improccoordinator
for (int i = 0; i < 48000; i++) { //
if (chropC) {
float hvalc = dCcurve[i];
int hic = (int)(255.0 * CLIPD(hvalc)); //
histCCAM[hic] += hist16_CCAM[i] ;
}
}
}
}
}
#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.sharpcie) {
//all this treatments reduce artifacts, but can lead to slightly different results
if(params->defringe.enabled) if(execsharp) {
ImProcFunctions::defringecam (ncie); //
}
//if(params->dirpyrequalizer.enabled) if(execsharp) {
if(params->dirpyrequalizer.enabled) {
if(params->dirpyrequalizer.gamutlab /*&& execsharp*/) {
float b_l = static_cast<float>(params->dirpyrequalizer.hueskin.value[0]) / 100.0f;
float t_l = static_cast<float>(params->dirpyrequalizer.hueskin.value[1]) / 100.0f;
float b_r = static_cast<float>(params->dirpyrequalizer.hueskin.value[2]) / 100.0f;
float t_r = static_cast<float>(params->dirpyrequalizer.hueskin.value[3]) / 100.0f;
int choice = 0;
bool alread = false;
float artifact = (float) settings->artifact_cbdl;
if(artifact > 6.f) {
artifact = 6.f;
}
if(artifact < 0.f) {
artifact = 1.f;
}
int hotbad = 0;
float chrom = 50.f;
{
ImProcFunctions::badpixcam (ncie, artifact, 5, 2 , b_l, t_l, t_r, b_r, params->dirpyrequalizer.skinprotect , chrom, hotbad); //enabled remove artifacts for cbDL
alread = true;
}
}
}
if(params->colorappearance.badpixsl > 0) if(execsharp) {
int mode = params->colorappearance.badpixsl;
ImProcFunctions::badpixcam (ncie, 3.4, 5, mode, 0, 0, 0, 0, 0, 0, 1);//for bad pixels CIECAM
}
if (params->sharpenMicro.enabled)if(execsharp) {
ImProcFunctions::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
ImProcFunctions::sharpeningcam (ncie, buffer); // sharpening adapted to CIECAM
}
//if(params->dirpyrequalizer.enabled) if(execsharp) {
if(params->dirpyrequalizer.enabled /*&& (execsharp)*/) {
float b_l = static_cast<float>(params->dirpyrequalizer.hueskin.value[0]) / 100.0f;
float t_l = static_cast<float>(params->dirpyrequalizer.hueskin.value[1]) / 100.0f;
float b_r = static_cast<float>(params->dirpyrequalizer.hueskin.value[2]) / 100.0f;
float t_r = static_cast<float>(params->dirpyrequalizer.hueskin.value[3]) / 100.0f;
int choice = 0; //not disabled in case of ! always 0
// if (params->dirpyrequalizer.algo=="FI") choice=0;
// else if(params->dirpyrequalizer.algo=="LA") choice=1;
if(rtt == 1) {
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, true, params->dirpyrequalizer.gamutlab, b_l, t_l, t_r, b_r, choice, scalecd); //contrast by detail adapted to CIECAM
}
}
float Qredi = ( 4.0 / c_) * ( a_w + 4.0 );
float co_e = (pow(f_l, 0.25f));
#ifndef _DEBUG
#pragma omp parallel default(shared) firstprivate(height,width, Qredi,a_w,c_)
#endif
{
#ifndef _DEBUG
#pragma omp for schedule(dynamic, 10)
#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 = Qredi * ncie->sh_p[i][j] / (32768.f);
ncie->J_p[i][j] = 100.0 * interm * interm / ((a_w + 4.) * (a_w + 4.) * (4. / c_) * (4. / c_));
ncie->Q_p[i][j] = ( 4.0 / c_) * ( a_w + 4.0 ) * sqrt(ncie->J_p[i][j] / 100.f);
ncie->M_p[i][j] = ncie->C_p[i][j] * co_e;
}
}
}
if((params->colorappearance.tonecie || (params->colorappearance.tonecie && params->epd.enabled)) || (params->sharpening.enabled && settings->autocielab)
|| (params->dirpyrequalizer.enabled && settings->autocielab) || (params->defringe.enabled && settings->autocielab) || (params->sharpenMicro.enabled && settings->autocielab)
|| (params->colorappearance.badpixsl > 0 && settings->autocielab)) {
if(params->epd.enabled && params->colorappearance.tonecie && algepd) {
ImProcFunctions::EPDToneMapCIE(ncie, a_w, c_, w_h, width, height, begh, endh, minQ, maxQ, Iterates, scale );
}
//EPDToneMapCIE adapted to CIECAM
#ifndef _DEBUG
#pragma omp parallel default(shared) firstprivate(lab,xw2,yw2,zw2,chr,yb,la2,yb2, height,width,begh, endh, nc2,f2,c2, gamu, highlight,pW)
#endif
{
TMatrix wiprofa = iccStore->workingSpaceInverseMatrix (params->icm.working);
double wipa[3][3] = {
{wiprofa[0][0], wiprofa[0][1], wiprofa[0][2]},
{wiprofa[1][0], wiprofa[1][1], wiprofa[1][2]},
{wiprofa[2][0], wiprofa[2][1], wiprofa[2][2]}
};
#ifndef _DEBUG
#pragma omp for schedule(dynamic, 10)
#endif
for (int i = 0; i < height; i++) // update CIECAM with new values after tone-mapping
// for (int i=begh; i<endh; i++)
for (int j = 0; j < width; j++) {
double xx, yy, zz;
float x, y, z;
const float eps = 0.0001;
float co_e = (pow(f_l, 0.25f)) + eps;
// if(params->epd.enabled) ncie->J_p[i][j]=(100.0* ncie->Q_p[i][j]*ncie->Q_p[i][j])/(w_h*w_h);
if(params->epd.enabled) {
ncie->J_p[i][j] = (100.0 * ncie->Q_p[i][j] * ncie->Q_p[i][j]) / SQR((4. / c) * (aw + 4.));
}
ncie->C_p[i][j] = (ncie->M_p[i][j]) / co_e;
//show histogram in CIECAM mode (Q,J, M,s,C)
int posl, posc;
double brli = 327.;
double chsacol = 327.;
int libr = 0;
int colch = 0;
float sa_t;
if(curveMode == ColorAppearanceParams::TC_MODE_BRIGHT) {
brli = 70.0;
libr = 1;
} else if(curveMode == ColorAppearanceParams::TC_MODE_LIGHT) {
brli = 327.;
libr = 0;
}
if (curveMode3 == ColorAppearanceParams::TC_MODE_CHROMA) {
chsacol = 327.;
colch = 0;
} else if(curveMode3 == ColorAppearanceParams::TC_MODE_SATUR) {
chsacol = 450.0;
colch = 1;
} else if(curveMode3 == ColorAppearanceParams::TC_MODE_COLORF) {
chsacol = 327.0;
colch = 2;
}
if(ciedata) {
// Data for J Q M s and C histograms
//update histogram
jp = true;
if(pW != 1) { //only with improccoordinator
if(libr == 1) {
posl = CLIP((int)(ncie->Q_p[i][j] * brli)); //40.0 to 100.0 approximative factor for Q - 327 for J
} else if(libr == 0) {
posl = CLIP((int)(ncie->J_p[i][j] * brli)); //327 for J
}
hist16JCAM[posl]++;
}
chropC = true;
if(pW != 1) { //only with improccoordinator
if(colch == 0) {
posc = CLIP((int)(ncie->C_p[i][j] * chsacol)); //450.0 approximative factor for s 320 for M
} else if(colch == 1) {
sa_t = 100.f * sqrt(ncie->C_p[i][j] / ncie->Q_p[i][j]); //Q_p always > 0
posc = CLIP((int)(sa_t * chsacol));
} else if(colch == 2) {
posc = CLIP((int)(ncie->M_p[i][j] * chsacol));
}
hist16_CCAM[posc]++;
}
}
//end histograms
// double nd, nbbd, ncbd, fld, czd, dd, awd;
Ciecam02::jch2xyz_ciecam02( xx, yy, zz,
ncie->J_p[i][j], ncie->C_p[i][j], ncie->h_p[i][j],
xw2, yw2, zw2,
yb2, la2,
f2, c2, nc2, gamu, nj, nbbj, ncbj, flj, czj, dj, awj);
x = (float)xx * 655.35;
y = (float)yy * 655.35;
z = (float)zz * 655.35;
float Ll, aa, bb;
//convert xyz=>lab
Color::XYZ2Lab(x, y, z, Ll, aa, bb);
lab->L[i][j] = Ll;
lab->a[i][j] = aa;
lab->b[i][j] = bb;
if(gamu == 1) {
float R, G, B;
float HH, Lprov1, Chprov1;
Lprov1 = lab->L[i][j] / 327.68f;
Chprov1 = sqrt(SQR(lab->a[i][j] / 327.68f) + SQR(lab->b[i][j] / 327.68f));
HH = atan2(lab->b[i][j], lab->a[i][j]);
#ifdef _DEBUG
bool neg = false;
bool more_rgb = false;
//gamut control : Lab values are in gamut
Color::gamutLchonly(HH, Lprov1, Chprov1, R, G, B, wipa, highlight, 0.15f, 0.96f, neg, more_rgb);
#else
//gamut control : Lab values are in gamut
Color::gamutLchonly(HH, Lprov1, Chprov1, R, G, B, wipa, highlight, 0.15f, 0.96f);
#endif
lab->L[i][j] = Lprov1 * 327.68f;
lab->a[i][j] = 327.68f * Chprov1 * cos(HH);
lab->b[i][j] = 327.68f * Chprov1 * sin(HH);
}
}
}
//end parallelization
//show CIECAM histograms
if(ciedata) {
//update histogram J and Q
if(pW != 1) { //only with improccoordinator
for (int i = 0; i < 32768; i++) { //
if (jp) {
float hval = dLcurve[i];
int hi = (int)(255.0 * CLIPD(hval)); //
histLCAM[hi] += hist16JCAM[i] ;
}
}
}
//update color histogram M,s,C
if(pW != 1) { //only with improccoordinator
for (int i = 0; i < 48000; i++) { //
if (chropC) {
float hvalc = dCcurve[i];
int hic = (int)(255.0 * CLIPD(hvalc)); //
histCCAM[hic] += hist16_CCAM[i] ;
}
}
}
}
}
}
}
//end CIECAM
// Copyright (c) 2012 Jacques Desmis <jdesmis@gmail.com>
void ImProcFunctions::ciecam_02float (CieImage* ncie, float adap, int begh, int endh, 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, int scalecd, int rtt)
{
if(params->colorappearance.enabled) {
//int lastskip;
//if(rtt==1) {lastskip=scalecd;} //not for Rtthumbnail
#ifdef _DEBUG
MyTime t1e, t2e;
t1e.set();
#endif
LUTf dLcurve;
LUTu hist16JCAM;
float val;
//preparate for histograms CIECAM
if(pW != 1) { //only with improccoordinator
dLcurve(65536, 0);
dLcurve.clear();
hist16JCAM(65536);
hist16JCAM.clear();
for (int i = 0; i < 32768; i++) { //# 32768*1.414 approximation maxi for chroma
val = (double)i / 32767.0;
dLcurve[i] = CLIPD(val);
}
}
LUTf dCcurve(65536, 0);
LUTu hist16_CCAM(65536);
bool chropC = false;
float valc;
if(pW != 1) { //only with improccoordinator
for (int i = 0; i < 48000; i++) { //# 32768*1.414 approximation maxi for chroma
valc = (double)i / 47999.0;
dCcurve[i] = CLIPD(valc);
}
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, nc, yb, la, c, xw, yw, zw, f2, c2, nc2, yb2, la2;
float fl, n, nbb, ncb, aw; //d
float xwd, ywd, zwd;
int alg = 0;
bool algepd = false;
float sum = 0.f;
const bool ciedata = (params->colorappearance.datacie && pW != 1);
bool jp = ciedata;
ColorTemp::temp2mulxyz (params->wb.temperature, params->wb.green, params->wb.method, Xw, Zw); //compute white Xw Yw Zw : white current WB
//viewing condition for surround
if(params->colorappearance.surround == "Average") {
f = 1.00f;
c = 0.69f;
nc = 1.00f;
f2 = 1.0f, c2 = 0.69f, nc2 = 1.0f;
} else if(params->colorappearance.surround == "Dim") {
f2 = 0.9f;
c2 = 0.59f;
nc2 = 0.9f;
f = 1.0f, c = 0.69f, nc = 1.0f;
} else if(params->colorappearance.surround == "Dark") {
f2 = 0.8f;
c2 = 0.525f;
nc2 = 0.8f;
f = 1.0f, c = 0.69f, nc = 1.0f;
} else if(params->colorappearance.surround == "ExtremelyDark") {
f2 = 0.8f;
c2 = 0.41f;
nc2 = 0.8f;
f = 1.0f, c = 0.69f, nc = 1.0f;
}
//scene condition for surround
if(params->colorappearance.surrsource == true) {
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;
}
//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 if(settings->viewingdevice == 7) {
xwd = 100.96f; //fluo F11
ywd = 100.0f;
zwd = 64.35f;
}
//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 if(settings->viewingdevicegrey == 6) {
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;
}
}
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;
//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 datas from 'params' to avoid cache flush (to be confirmed)
const ColorAppearanceParams::eTCModeId curveMode = params->colorappearance.curveMode;
const bool hasColCurve1 = bool(customColCurve1);
bool t1L = false;
bool t1B = false;
if (hasColCurve1 && curveMode == ColorAppearanceParams::TC_MODE_LIGHT) {
t1L = true;
}
if(hasColCurve1 && curveMode == ColorAppearanceParams::TC_MODE_BRIGHT) {
t1B = true;
}
const ColorAppearanceParams::eTCModeId curveMode2 = params->colorappearance.curveMode2;
const bool hasColCurve2 = bool(customColCurve2);
bool t2B = false;
if(hasColCurve2 && curveMode2 == ColorAppearanceParams::TC_MODE_BRIGHT) {
t2B = true;
}
const ColorAppearanceParams::eCTCModeId curveMode3 = params->colorappearance.curveMode3;
const bool hasColCurve3 = bool(customColCurve3);
bool c1s = false;
bool c1co = false;
if( hasColCurve3 && curveMode3 == ColorAppearanceParams::TC_MODE_SATUR) {
c1s = true;
}
if(hasColCurve3 && curveMode3 == ColorAppearanceParams::TC_MODE_COLORF) {
c1co = true;
}
if(CAMBrightCurveJ.dirty || CAMBrightCurveQ.dirty) {
bool needJ = (alg == 0 || alg == 1 || alg == 3);
bool needQ = (alg == 2 || alg == 3);
LUTu hist16J;
LUTu hist16Q;
if (needJ) {
hist16J (65536);
hist16J.clear();
}
if (needQ) {
hist16Q (65536);
hist16Q.clear();
}
#pragma omp parallel
{
LUTu hist16Jthr;
LUTu hist16Qthr;
if (needJ) {
hist16Jthr (65536);
hist16Jthr.clear();
}
if (needQ) {
hist16Qthr(65536);
hist16Qthr.clear();
}
#pragma omp for reduction(+:sum)
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 = 1.0f; //rough correspondence between L and J
// if (currL>95.f) koef=1.f;
if(currL > 85.f) {
koef = 0.97f;
} else if(currL > 80.f) {
koef = 0.93f;
} else if(currL > 70.f) {
koef = 0.87f;
} else if(currL > 60.f) {
koef = 0.85f;
} else if(currL > 50.f) {
koef = 0.8f;
} else if(currL > 40.f) {
koef = 0.75f;
}
// else if(currL>30.f) koef=0.7f;
else if(currL > 20.f) {
koef = 0.7f;
} else if(currL > 10.f) {
koef = 0.9f;
}
// else if(currL>0.f) koef=1.0f;
if (needJ) {
hist16Jthr[CLIP((int)((koef * lab->L[i][j])))]++; //evaluate histogram luminance L # J
}
if (needQ) {
hist16Qthr[CLIP((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
}
#pragma omp critical
{
if(needJ)
for(int i = 0; i < 65536; i++) {
hist16J[i] += hist16Jthr[i];
}
if(needQ)
for(int i = 0; i < 65536; i++) {
hist16Q[i] += hist16Qthr[i];
}
}
}
//mean=(sum/((endh-begh)*width))/327.68f;//for Yb for all image...if one day "pipette" we can adapt Yb for each zone
mean = (sum / ((height) * width)) / 327.68f; //for Yb for all image...if one day "pipette" we can adapt Yb for each zone
//evaluate lightness, contrast
if (needJ) {
if (!CAMBrightCurveJ) {
CAMBrightCurveJ(32768, LUT_CLIP_ABOVE);
CAMBrightCurveJ.dirty = false;
}
float jli = params->colorappearance.jlight;
float contra = params->colorappearance.contrast;
Ciecam02::curveJfloat (jli, contra, 1, CAMBrightCurveJ, hist16J);//lightness and contrast J
}
if (needQ) {
if (!CAMBrightCurveQ) {
CAMBrightCurveQ(32768, LUT_CLIP_ABOVE);
CAMBrightCurveQ.clear();
CAMBrightCurveQ.dirty = false;
}
float qbri = params->colorappearance.qbright;
float qcontra = params->colorappearance.qcontrast;
Ciecam02::curveJfloat (qbri, qcontra, 1, CAMBrightCurveQ, hist16Q);//brightness and contrast Q
}
}
if(settings->viewinggreySc == 0) { //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;
}
}
if(settings->viewinggreySc == 1) {
yb = 18.0f; //fixed
}
const bool highlight = params->toneCurve.hrenabled; //Get the value if "highlight reconstruction" is activated
const int gamu = (params->colorappearance.gamut == true) ? 1 : 0;
xw = 100.0f * Xw;
yw = 100.0f * Yw;
zw = 100.0f * Zw;
float xw1, yw1, zw1, xw2, yw2, zw2;
// 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;
}
float cz, wh, pfl;
Ciecam02::initcam1float(gamu, yb, pilot, f, la, xw, yw, zw, n, d, nbb, ncb, cz, aw, wh, pfl, fl, c);
const float pow1 = pow_F( 1.64f - pow_F( 0.29f, n ), 0.73f );
float nj, dj, nbbj, ncbj, czj, awj, flj;
Ciecam02::initcam2float(gamu, yb2, f2, la2, xw2, yw2, zw2, nj, dj, nbbj, ncbj, czj, awj, flj);
const float reccmcz = 1.f / (c2 * czj);
const float pow1n = pow_F( 1.64f - pow_F( 0.29f, nj ), 0.73f );
const float epsil = 0.0001f;
const float w_h = wh + epsil;
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 epdEnabled = params->epd.enabled;
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));
//matrix for current working space
TMatrix wiprof = iccStore->workingSpaceInverseMatrix (params->icm.working);
const float 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]}
};
#ifdef __SSE2__
int bufferLength = ((width + 3) / 4) * 4; // bufferLength has to be a multiple of 4
#endif
#ifndef _DEBUG
#pragma omp parallel
#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
#pragma omp for schedule(dynamic, 16)
#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(yb), F2V(la),
F2V(f), 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,
yb, la,
f, c, nc, pilot, gamu, 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,
yb, la,
f, c, nc, pilot, gamu, 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] / 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);
}
if(alg == 1) {
// Lightness saturation
Jpro = CAMBrightCurveJ[Jpro * 327.68f] / 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) {
float coef = 32767.f / wh;
Qpro = (CAMBrightCurveQ[(float)(Qpro * coef)]) / coef; //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 );
} else if(alg == 3) {
float coef = 32760.f / wh;
if(Qpro * coef >= 32767.0f) {
Qpro = (CAMBrightCurveQ[32767]) / coef; //brightness and contrast
} else {
Qpro = (CAMBrightCurveQ[(float)(Qpro * coef)]) / coef; //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)]) / 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::TC_MODE_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::TC_MODE_BRIGHT) {
//attention! Brightness curves are open - unlike Lightness or Lab or RGB==> rendering and algoritms will be different
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& 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
}
Qpro = (float)(Qq * (coef) / 327.68f);
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 (hasColCurve2) {//curve 2 with Lightness and Brightness
if (curveMode2 == ColorAppearanceParams::TC_MODE_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::TC_MODE_BRIGHT) { //
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
}
Qpro = (float)(Qq * (coef) / 327.68f);
Jpro = 100.f * (Qpro * Qpro) / ((4.0f / c) * (4.0f / c) * (aw + 4.0f) * (aw + 4.0f));
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::TC_MODE_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::TC_MODE_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::TC_MODE_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);
Cpro = Mpro / coe;
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;
}
}
}
//to retrieve the correct values of variables
if(c1s) {
Qpro = ( 4.0f / c ) * sqrtf( Jpro / 100.0f ) * ( aw + 4.0f ) ; //for saturation curve
Cpro = (spro * spro * Qpro) / (10000.0f);
}
if(c1co) {
float coe = pow_F(fl, 0.25f);
Cpro = Mpro / coe;
} // for colorfullness curve
//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) {
// Data for J Q M s and C histograms
int posl, posc;
float brli = 327.f;
float chsacol = 327.f;
int libr = 0;
int colch = 0;
if(curveMode == ColorAppearanceParams::TC_MODE_BRIGHT) {
brli = 70.0f;
libr = 1;
} else if(curveMode == ColorAppearanceParams::TC_MODE_LIGHT) {
brli = 327.f;
libr = 0;
}
if (curveMode3 == ColorAppearanceParams::TC_MODE_CHROMA) {
chsacol = 327.f;
colch = 0;
} else if(curveMode3 == ColorAppearanceParams::TC_MODE_SATUR) {
chsacol = 450.0f;
colch = 1;
} else if(curveMode3 == ColorAppearanceParams::TC_MODE_COLORF) {
chsacol = 327.0f;
colch = 2;
}
//update histogram
if(pW != 1) { //only with improccoordinator
if(libr == 1) {
posl = CLIP((int)(Q * brli)); //40.0 to 100.0 approximative factor for Q - 327 for J
} else if(libr == 0) {
posl = CLIP((int)(J * brli)); //327 for J
}
hist16JCAM[posl]++;
}
chropC = true;
if(pW != 1) { //only with improccoordinator
if(colch == 0) {
posc = CLIP((int)(C * chsacol)); //450.0 approximative factor for s 320 for M
} else if(colch == 1) {
posc = CLIP((int)(s * chsacol));
} else if(colch == 2) {
posc = CLIP((int)(M * 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,
yb2, la2,
f2, c2, nc2, gamu, pow1n, nbbj, ncbj, flj, czj, dj, awj);
float x, y, z;
x = (float)xx * 655.35f;
y = (float)yy * 655.35f;
z = (float)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 HH, Lprov1, Chprov1;
Lprov1 = Ll / 327.68f;
Chprov1 = sqrtf(SQR(aa) + SQR(bb)) / 327.68f;
HH = xatan2f(bb, aa);
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(yb2), F2V(la2),
F2V(f2), 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 HH, Lprov1, Chprov1;
Lprov1 = Ll / 327.68f;
Chprov1 = sqrtf(SQR(aa) + SQR(bb)) / 327.68f;
HH = xatan2f(bb, aa);
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
}
#pragma omp critical
{
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
for (int i = 0; i < 32768; i++) { //
if (jp) {
float hval = dLcurve[i];
int hi = (int)(255.0f * CLIPD(hval)); //
histLCAM[hi] += hist16JCAM[i] ;
}
}
for (int i = 0; i < 48000; i++) { //
if (chropC) {
float hvalc = dCcurve[i];
int hic = (int)(255.0f * CLIPD(hvalc)); //
histCCAM[hic] += hist16_CCAM[i] ;
}
}
}
}
#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 artefacts, but can leed to slighty different results
if(params->defringe.enabled)
if(execsharp) {
lab->deleteLab();
ImProcFunctions::defringecam (ncie);//defringe adapted to CIECAM
lab->reallocLab();
}
//if(params->dirpyrequalizer.enabled) if(execsharp) {
if(params->dirpyrequalizer.enabled) {
if(params->dirpyrequalizer.gamutlab /*&& execsharp*/) {//remove artifacts by gaussian blur - skin control
float b_l = static_cast<float>(params->dirpyrequalizer.hueskin.value[0]) / 100.0f;
float t_l = static_cast<float>(params->dirpyrequalizer.hueskin.value[1]) / 100.0f;
float b_r = static_cast<float>(params->dirpyrequalizer.hueskin.value[2]) / 100.0f;
float t_r = static_cast<float>(params->dirpyrequalizer.hueskin.value[3]) / 100.0f;
float artifact = (float) settings->artifact_cbdl;
if(artifact > 6.f) {
artifact = 6.f;
}
if(artifact < 0.f) {
artifact = 1.f;
}
int hotbad = 0;
float chrom = 50.f;
lab->deleteLab();
ImProcFunctions::badpixcam (ncie, artifact, 5, 2 , b_l, t_l, t_r, b_r, params->dirpyrequalizer.skinprotect, chrom, hotbad); //enabled remove artifacts for cbDL
lab->reallocLab();
}
}
//if(params->colorappearance.badpixsl > 0) { int mode=params->colorappearance.badpixsl;
if(params->colorappearance.badpixsl > 0) if(execsharp) {
int mode = params->colorappearance.badpixsl;
lab->deleteLab();
ImProcFunctions::badpixcam (ncie, 3.0, 10, mode, 0, 0, 0, 0, 0, 0, 1);//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;
ImProcFunctions::impulsedenoisecam (ncie, buffers); //impulse adapted to CIECAM
}
if (params->sharpenMicro.enabled)if(execsharp) {
ImProcFunctions::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
ImProcFunctions::sharpeningcam (ncie, buffer); // sharpening adapted to CIECAM
}
//if(params->dirpyrequalizer.enabled) if(execsharp) {
if(params->dirpyrequalizer.enabled /*&& execsharp*/) {
float b_l = static_cast<float>(params->dirpyrequalizer.hueskin.value[0]) / 100.0f;
float t_l = static_cast<float>(params->dirpyrequalizer.hueskin.value[1]) / 100.0f;
float b_r = static_cast<float>(params->dirpyrequalizer.hueskin.value[2]) / 100.0f;
float t_r = static_cast<float>(params->dirpyrequalizer.hueskin.value[3]) / 100.0f;
int choice = 0; // I have not suppress this statement in case of !! always to 0
// if(params->dirpyrequalizer.algo=="FI") choice=0;
// else if(params->dirpyrequalizer.algo=="LA") choice=1;
if(rtt == 1) {
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, true, params->dirpyrequalizer.gamutlab, b_l, t_l, t_r, b_r, choice, scalecd); //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
#pragma omp parallel
#endif
{
#ifndef _DEBUG
#pragma omp for schedule(dynamic, 10)
#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)) {
if(epdEnabled && params->colorappearance.tonecie && algepd) {
lab->deleteLab();
ImProcFunctions::EPDToneMapCIE(ncie, a_w, c_, w_h, width, height, begh, endh, minQ, maxQ, Iterates, scale );
lab->reallocLab();
}
//EPDToneMapCIE adated to CIECAM
const float eps = 0.0001f;
const float co_e = (pow_F(f_l, 0.25f)) + eps;
TMatrix wiprofa = iccStore->workingSpaceInverseMatrix (params->icm.working);
const float wipa[3][3] = {
{float(wiprofa[0][0]), float(wiprofa[0][1]), float(wiprofa[0][2])},
{float(wiprofa[1][0]), float(wiprofa[1][1]), float(wiprofa[1][2])},
{float(wiprofa[2][0]), float(wiprofa[2][1]), float(wiprofa[2][2])}
};
#ifndef _DEBUG
#pragma omp parallel
#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
#pragma omp for schedule(dynamic, 10)
#endif
for (int i = 0; i < height; i++) { // update CIECAM with new values after tone-mapping
for (int j = 0; j < width; j++) {
float xx, yy, zz;
float x, y, z;
// 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;
int libr = 0;
int colch = 0;
float sa_t;
if(curveMode == ColorAppearanceParams::TC_MODE_BRIGHT) {
brli = 70.0f;
libr = 1;
} else if(curveMode == ColorAppearanceParams::TC_MODE_LIGHT) {
brli = 327.f;
libr = 0;
}
if (curveMode3 == ColorAppearanceParams::TC_MODE_CHROMA) {
chsacol = 327.f;
colch = 0;
} else if(curveMode3 == ColorAppearanceParams::TC_MODE_SATUR) {
chsacol = 450.0f;
colch = 1;
} else if(curveMode3 == ColorAppearanceParams::TC_MODE_COLORF) {
chsacol = 327.0f;
colch = 2;
}
//update histogram
if(pW != 1) { //only with improccoordinator
if(libr == 1) {
posl = CLIP((int)(ncie->Q_p[i][j] * brli)); //40.0 to 100.0 approximative factor for Q - 327 for J
} else if(libr == 0) {
posl = CLIP((int)(ncie->J_p[i][j] * brli)); //327 for J
}
hist16JCAM[posl]++;
}
chropC = true;
if(pW != 1) { //only with improccoordinator
if(colch == 0) {
posc = CLIP((int)(ncie_C_p * chsacol)); //450.0 approximative factor for s 320 for M
} else if(colch == 1) {
sa_t = 100.f * sqrtf(ncie_C_p / ncie->Q_p[i][j]); //Q_p always > 0
posc = CLIP((int)(sa_t * chsacol));
} else if(colch == 2) {
posc = CLIP((int)(ncie->M_p[i][j] * 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
Ciecam02::jch2xyz_ciecam02float( xx, yy, zz,
ncie->J_p[i][j], ncie_C_p, ncie->h_p[i][j],
xw2, yw2, zw2,
yb2, la2,
f2, c2, nc2, gamu, pow1n, nbbj, ncbj, flj, czj, dj, awj);
x = (float)xx * 655.35f;
y = (float)yy * 655.35f;
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, wipa, highlight, 0.15f, 0.96f, neg, more_rgb);
#else
//gamut control : Lab values are in gamut
Color::gamutLchonly(sincosval, Lprov1, Chprov1, wipa, 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(yb2), F2V(la2),
F2V(f2), 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, wipa, highlight, 0.15f, 0.96f, neg, more_rgb);
#else
//gamut control : Lab values are in gamut
Color::gamutLchonly(sincosval, Lprov1, Chprov1, wipa, 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
for (int i = 0; i < 32768; i++) { //
if (jp) {
float hval = dLcurve[i];
int hi = (int)(255.0f * CLIPD(hval)); //
histLCAM[hi] += hist16JCAM[i] ;
}
}
//update color histogram M,s,C
for (int i = 0; i < 48000; i++) { //
if (chropC) {
float hvalc = dCcurve[i];
int hic = (int)(255.0f * CLIPD(hvalc)); //
histCCAM[hic] += hist16_CCAM[i] ;
}
}
}
}
}
}
//end CIECAM
void ImProcFunctions::moyeqt (Imagefloat* working, float &moyS, float &eqty)
{
// MyTime t1e,t2e;
// t1e.set();
int tHh = working->height;
int tWw = working->width;
float moy = 0.f;
float eqt = 0.f;
#pragma omp parallel
{
float mo = 0.f;
#ifndef _DEBUG
#pragma omp for reduction(+:moy)
#endif
for (int i = 0; i < tHh; i++) {
for (int j = 0; j < tWw; j++) {
float r = CLIP(working->r(i, j));
float g = CLIP(working->g(i, j));
float b = CLIP(working->b(i, j));
float h, s, v;
Color::rgb2hsv(r, g, b, h, s, v);
moy += s;
}
}
mo = moy / (tHh * tWw);
moyS = mo;
#ifndef _DEBUG
#pragma omp for reduction(+:eqt)
#endif
for (int i = 0; i < tHh; i++) {
for (int j = 0; j < tWw; j++) {
float r = CLIP(working->r(i, j));
float g = CLIP(working->g(i, j));
float b = CLIP(working->b(i, j));
float h, s, v;
Color::rgb2hsv(r, g, b, h, s, v);
eqt += SQR(s - mo);
}
}
}
eqt = eqt / (tHh * tWw);
eqty = (sqrt(eqt));
// t2e.set();
// printf("Moyeqt:%d\n", t2e.etime(t1e));
}
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, EditBuffer *editBuffer, LUTf & hltonecurve, LUTf & shtonecurve, LUTf & tonecurve,
SHMap* shmap, int sat, LUTf & rCurve, LUTf & gCurve, LUTf & bCurve, float satLimit , float satLimitOpacity, const ColorGradientCurve & ctColorCurve, const OpacityCurve & ctOpacityCurve, bool opautili, LUTf & clToningcurve, 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 )
{
rgbProc (working, lab, editBuffer, hltonecurve, shtonecurve, tonecurve, shmap, 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);
}
// Process RGB image and convert to LAB space
void ImProcFunctions::rgbProc (Imagefloat* working, LabImage* lab, EditBuffer *editBuffer, LUTf & hltonecurve, LUTf & shtonecurve, LUTf & tonecurve,
SHMap* shmap, int sat, LUTf & rCurve, LUTf & gCurve, LUTf & bCurve, float satLimit , float satLimitOpacity, const ColorGradientCurve & ctColorCurve, const OpacityCurve & ctOpacityCurve, bool opautili, LUTf & clToningcurve, 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)
{
LUTf fGammaLUTf;
Imagefloat *tmpImage = NULL;
// NOTE: We're getting all 3 pointers here, but this function may not need them all, so one could optimize this
Imagefloat* editImgFloat = NULL;
LabImage* editLab = NULL;
PlanarWhateverData<float>* editWhatever = NULL;
EditUniqueID editID = editBuffer ? editBuffer->getEditID() : EUID_None;
if (editID != EUID_None) {
switch (editBuffer->getDataProvider()->getCurrSubscriber()->getEditBufferType()) {
case (BT_IMAGEFLOAT):
editImgFloat = editBuffer->getImgFloatBuffer();
break;
case (BT_LABIMAGE):
editLab = editBuffer->getLabBuffer();
break;
case (BT_SINGLEPLANE_FLOAT):
editWhatever = editBuffer->getSinglePlaneBuffer();
break;
}
}
int h_th, s_th;
if (shmap) {
h_th = shmap->max_f - params->sh.htonalwidth * (shmap->max_f - shmap->avg) / 100;
s_th = params->sh.stonalwidth * (shmap->avg - shmap->min_f) / 100;
}
bool processSH = params->sh.enabled && shmap != NULL && (params->sh.highlights > 0 || params->sh.shadows > 0);
bool processLCE = params->sh.enabled && shmap != NULL && params->sh.localcontrast > 0;
double lceamount = params->sh.localcontrast / 200.0;
TMatrix wprof = iccStore->workingSpaceMatrix (params->icm.working);
TMatrix wiprof = iccStore->workingSpaceInverseMatrix (params->icm.working);
double toxyz[3][3] = {
{
( wprof[0][0] / Color::D50x),
( wprof[0][1] / Color::D50x),
( wprof[0][2] / Color::D50x)
}, {
( wprof[1][0]),
( wprof[1][1]),
( wprof[1][2])
}, {
( wprof[2][0] / Color::D50z),
( wprof[2][1] / Color::D50z),
( wprof[2][2] / Color::D50z)
}
};
//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.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;
FlatCurve* sCurve;
FlatCurve* vCurve;
FlatCurve* bwlCurve;
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 = hCurveType > FCT_Linear;
bool sCurveEnabled = sCurveType > FCT_Linear;
bool vCurveEnabled = 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 = NULL;
hCurveEnabled = false;
}
}
if (sCurveEnabled) {
sCurve = new FlatCurve(params->hsvequalizer.scurve);
if (sCurve->isIdentity()) {
delete sCurve;
sCurve = NULL;
sCurveEnabled = false;
}
}
if (vCurveEnabled) {
vCurve = new FlatCurve(params->hsvequalizer.vcurve);
if (vCurve->isIdentity()) {
delete vCurve;
vCurve = NULL;
vCurveEnabled = false;
}
}
if (bwlCurveEnabled) {
bwlCurve = new FlatCurve(params->blackwhite.luminanceCurve);
if (bwlCurve->isIdentity()) {
delete bwlCurve;
bwlCurve = NULL;
bwlCurveEnabled = false;
}
}
ClutPtr colorLUT;
bool clutAndWorkingProfilesAreSame = false;
TMatrix work2xyz, xyz2clut, clut2xyz, xyz2work;
if ( params->filmSimulation.enabled && !params->filmSimulation.clutFilename.empty() ) {
colorLUT.set( clutStore.getClut( params->filmSimulation.clutFilename ) );
if ( colorLUT ) {
clutAndWorkingProfilesAreSame = colorLUT->profile() == params->icm.working;
if ( !clutAndWorkingProfilesAreSame ) {
work2xyz = iccStore->workingSpaceMatrix( params->icm.working );
xyz2clut = iccStore->workingSpaceInverseMatrix( colorLUT->profile() );
xyz2work = iccStore->workingSpaceInverseMatrix( params->icm.working );
clut2xyz = iccStore->workingSpaceMatrix( colorLUT->profile() );
}
}
}
double filmSimCorrectedStrength = double(params->filmSimulation.strength) / 100.;
double filmSimSourceStrength = double(100 - params->filmSimulation.strength) / 100.;
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.working == "ProPhoto");
// extracting datas from 'params' to avoid cache flush (to be confirmed)
ToneCurveParams::eTCModeId curveMode = params->toneCurve.curveMode;
ToneCurveParams::eTCModeId 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::eTCModeId beforeCurveMode = params->blackwhite.beforeCurveMode;
BlackWhiteParams::eTCModeId afterCurveMode = params->blackwhite.afterCurveMode;
bool hasToneCurvebw1 = bool(customToneCurvebw1);
bool hasToneCurvebw2 = bool(customToneCurvebw2);
PerceptualToneCurveState ptc1ApplyState, ptc2ApplyState;
if (hasToneCurve1 && curveMode == ToneCurveParams::TC_MODE_PERCEPTUAL) {
const PerceptualToneCurve& userToneCurve = static_cast<const PerceptualToneCurve&>(customToneCurve1);
userToneCurve.initApplyState(ptc1ApplyState, params->icm.working);
}
if (hasToneCurve2 && curveMode2 == ToneCurveParams::TC_MODE_PERCEPTUAL) {
const PerceptualToneCurve& userToneCurve = static_cast<const PerceptualToneCurve&>(customToneCurve2);
userToneCurve.initApplyState(ptc2ApplyState, params->icm.working);
}
bool hasColorToning = params->colorToning.enabled && bool(ctOpacityCurve) && bool(ctColorCurve);
// float satLimit = float(params->colorToning.satProtectionThreshold)/100.f*0.7f+0.3f;
// float satLimitOpacity = 1.f-(float(params->colorToning.saturatedOpacity)/100.f);
float strProtect = (float(params->colorToning.strength) / 100.f);
/*
// 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 = (100.f + float(params->colorToning.redlow)) / 100.f; //printf("Rel=%f\n",RedLow);
float GreenLow = (100.f + float(params->colorToning.greenlow)) / 100.f; //printf("Gre=%f\n",GreenLow);
float BlueLow = (100.f + float(params->colorToning.bluelow)) / 100.f; //printf("Blu=%f\n",BlueLow);
float RedMed = (100.f + float(params->colorToning.redmed)) / 100.f;
float GreenMed = (100.f + float(params->colorToning.greenmed)) / 100.f;
float BlueMed = (100.f + float(params->colorToning.bluemed)) / 100.f;
float RedHigh = (100.f + float(params->colorToning.redhigh)) / 100.f; //printf("RedH=%f\n",RedHigh);
float GreenHigh = (100.f + float(params->colorToning.greenhigh)) / 100.f;
float BlueHigh = (100.f + float(params->colorToning.bluehigh)) / 100.f;
float SatLow = float(params->colorToning.shadowsColSat.value[0]) / 100.f;
float SatHigh = float(params->colorToning.hlColSat.value[0]) / 100.f;
float Balan = float(params->colorToning.balance);
float chMixRR = float(params->chmixer.red[0]);
float chMixRG = float(params->chmixer.red[1]);
float chMixRB = float(params->chmixer.red[2]);
float chMixGR = float(params->chmixer.green[0]);
float chMixGG = float(params->chmixer.green[1]);
float chMixGB = float(params->chmixer.green[2]);
float chMixBR = float(params->chmixer.blue[0]);
float chMixBG = float(params->chmixer.blue[1]);
float chMixBB = float(params->chmixer.blue[2]);
int shHighlights = params->sh.highlights;
int shShadows = params->sh.shadows;
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;
double nr = 0;
double ng = 0;
double nb = 0;
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;
fGammaLUTf(65535);
#pragma omp parallel for
for (int i = 0; i < 65536; i++) {
fGammaLUTf[i] = CurveFactory::gamma2 (float(i) / 65535.f) * 65535.f;
}
if (hasColorToning || blackwhite) {
tmpImage = new Imagefloat(working->width, working->height);
}
#define TS 112
#ifdef _OPENMP
#pragma omp parallel if (multiThread)
#endif
{
char *buffer;
char *editIFloatBuffer = NULL;
char *editWhateverBuffer = NULL;
buffer = (char *) malloc(3 * sizeof(float) * TS * TS + 20 * 64 + 63);
char *data;
data = (char*)( ( uintptr_t(buffer) + uintptr_t(63)) / 64 * 64);
float *rtemp = (float(*))data;
float *gtemp = (float (*)) ((char*)rtemp + sizeof(float) * TS * TS + 4 * 64);
float *btemp = (float (*)) ((char*)gtemp + sizeof(float) * TS * TS + 8 * 64);
int istart;
int jstart;
int tW;
int tH;
// Allocating buffer for the EditBuffer
float *editIFloatTmpR, *editIFloatTmpG, *editIFloatTmpB, *editWhateverTmp;
if (editImgFloat) {
editIFloatBuffer = (char *) malloc(3 * sizeof(float) * TS * TS + 20 * 64 + 63);
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);
data = (char*)( ( uintptr_t(editWhateverBuffer) + uintptr_t(63)) / 64 * 64);
editWhateverTmp = (float(*))data;
}
#ifdef _OPENMP
#pragma omp for schedule(dynamic) collapse(2)
#endif
for(int ii = 0; ii < working->height; ii += TS)
for(int jj = 0; jj < working->width; jj += TS) {
istart = ii;
jstart = jj;
tH = min(ii + TS, working->height);
tW = min(jj + TS, working->width);
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;
}
}
}
if (processSH || processLCE) {
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];
double mapval = 1.0 + shmap->map[i][j];
double factor = 1.0;
if (processSH) {
if (mapval > h_th) {
factor = (h_th + (100.0 - shHighlights) * (mapval - h_th) / 100.0) / mapval;
} else if (mapval < s_th) {
factor = (s_th - (100.0 - shShadows) * (s_th - mapval) / 100.0) / mapval;
}
}
if (processLCE) {
double sub = lceamount * (mapval - factor * (r * lumimul[0] + g * lumimul[1] + b * lumimul[2]));
rtemp[ti * TS + tj] = factor * r - sub;
gtemp[ti * TS + tj] = factor * g - sub;
btemp[ti * TS + tj] = factor * b - sub;
} else {
rtemp[ti * TS + tj] = factor * r;
gtemp[ti * TS + tj] = factor * g;
btemp[ti * TS + tj] = factor * b;
}
}
}
}
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];
//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 * TS + tj] = r * tonefactor;
gtemp[ti * TS + tj] = g * tonefactor;
btemp[ti * TS + tj] = b * tonefactor;
}
}
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];
//shadow tone curve
float Y = (0.299f * r + 0.587f * g + 0.114f * b);
float tonefactor = shtonecurve[Y];
rtemp[ti * TS + tj] = rtemp[ti * TS + tj] * tonefactor;
gtemp[ti * TS + tj] = gtemp[ti * TS + tj] * tonefactor;
btemp[ti * TS + tj] = btemp[ti * TS + tj] * tonefactor;
}
}
if (dcpProf != NULL) {
dcpProf->step2ApplyTile(rtemp, gtemp, btemp, tW - jstart, tH - istart, TS);
}
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];
// clip out of gamut colors, without distorting color too bad
if (r < 0) {
r = 0;
}
if (g < 0) {
g = 0;
}
if (b < 0) {
b = 0;
}
if (r > 65535 || g > 65535 || b > 65535) {
filmlike_clip(&r, &g, &b);
}
rtemp[ti * TS + tj] = r;
gtemp[ti * TS + tj] = g;
btemp[ti * TS + tj] = b;
}
}
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
//brightness/contrast
rtemp[ti * TS + tj] = tonecurve[ rtemp[ti * TS + tj] ];
gtemp[ti * TS + tj] = tonecurve[ gtemp[ti * TS + tj] ];
btemp[ti * TS + tj] = tonecurve[ btemp[ti * TS + tj] ];
}
}
if (editID == EUID_ToneCurve1) { // filling the pipette buffer
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
editIFloatTmpR[ti * TS + tj] = CLIP(fGammaLUTf[rtemp[ti * TS + tj]] / 65535.f);
editIFloatTmpG[ti * TS + tj] = CLIP(fGammaLUTf[gtemp[ti * TS + tj]] / 65535.f);
editIFloatTmpB[ti * TS + tj] = CLIP(fGammaLUTf[btemp[ti * TS + tj]] / 65535.f);
}
}
}
if (hasToneCurve1) {
if (curveMode == ToneCurveParams::TC_MODE_STD) { // Standard
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
const StandardToneCurve& userToneCurve = static_cast<const StandardToneCurve&>(customToneCurve1);
userToneCurve.Apply(rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj]);
}
}
} else if (curveMode == ToneCurveParams::TC_MODE_FILMLIKE) { // Adobe like
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
const AdobeToneCurve& userToneCurve = static_cast<const AdobeToneCurve&>(customToneCurve1);
userToneCurve.Apply(rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj]);
}
}
} else if (curveMode == ToneCurveParams::TC_MODE_SATANDVALBLENDING) { // 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& userToneCurve = static_cast<const SatAndValueBlendingToneCurve&>(customToneCurve1);
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]);
userToneCurve.Apply(rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj]);
}
}
} else if (curveMode == ToneCurveParams::TC_MODE_WEIGHTEDSTD) { // apply the curve to the rgb channels, weighted
const WeightedStdToneCurve& userToneCurve = static_cast<const WeightedStdToneCurve&>(customToneCurve1);
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
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]);
userToneCurve.Apply(rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj]);
}
}
} else if (curveMode == ToneCurveParams::TC_MODE_LUMINANCE) { // apply the curve to the luminance channel
const LuminanceToneCurve& userToneCurve = static_cast<const LuminanceToneCurve&>(customToneCurve1);
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
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]);
userToneCurve.Apply(rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj]);
}
}
} else if (curveMode == ToneCurveParams::TC_MODE_PERCEPTUAL) { // apply curve while keeping color appearance constant
const PerceptualToneCurve& userToneCurve = static_cast<const PerceptualToneCurve&>(customToneCurve1);
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
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]);
userToneCurve.Apply(rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj], ptc1ApplyState);
}
}
}
}
if (editID == EUID_ToneCurve2) { // filling the pipette buffer
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
editIFloatTmpR[ti * TS + tj] = CLIP(fGammaLUTf[rtemp[ti * TS + tj]] / 65535.f);
editIFloatTmpG[ti * TS + tj] = CLIP(fGammaLUTf[gtemp[ti * TS + tj]] / 65535.f);
editIFloatTmpB[ti * TS + tj] = CLIP(fGammaLUTf[btemp[ti * TS + tj]] / 65535.f);
}
}
}
if (hasToneCurve2) {
if (curveMode2 == ToneCurveParams::TC_MODE_STD) { // Standard
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
const StandardToneCurve& userToneCurve = static_cast<const StandardToneCurve&>(customToneCurve2);
userToneCurve.Apply(rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj]);
}
}
} else if (curveMode2 == ToneCurveParams::TC_MODE_FILMLIKE) { // Adobe like
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
const AdobeToneCurve& userToneCurve = static_cast<const AdobeToneCurve&>(customToneCurve2);
userToneCurve.Apply(rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj]);
}
}
} else if (curveMode2 == ToneCurveParams::TC_MODE_SATANDVALBLENDING) { // 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& userToneCurve = static_cast<const SatAndValueBlendingToneCurve&>(customToneCurve2);
userToneCurve.Apply(rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj]);
}
}
} else if (curveMode2 == ToneCurveParams::TC_MODE_WEIGHTEDSTD) { // apply the curve to the rgb channels, weighted
const WeightedStdToneCurve& userToneCurve = static_cast<const WeightedStdToneCurve&>(customToneCurve2);
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
userToneCurve.Apply(rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj]);
}
}
} else if (curveMode2 == ToneCurveParams::TC_MODE_LUMINANCE) { // apply the curve to the luminance channel
const LuminanceToneCurve& userToneCurve = static_cast<const LuminanceToneCurve&>(customToneCurve2);
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
userToneCurve.Apply(rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj]);
}
}
} else if (curveMode2 == ToneCurveParams::TC_MODE_PERCEPTUAL) { // apply curve while keeping color appearance constant
const PerceptualToneCurve& userToneCurve = static_cast<const PerceptualToneCurve&>(customToneCurve2);
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
userToneCurve.Apply(rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj], 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] = fGammaLUTf[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] = fGammaLUTf[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] = fGammaLUTf[btemp[ti * TS + tj]] / 65536.f;
}
}
}
if (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) {
rtemp[ti * TS + tj] = rCurve[ rtemp[ti * TS + tj] ];
}
// individual G tone curve
if (gCurve) {
gtemp[ti * TS + tj] = gCurve[ gtemp[ti * TS + tj] ];
}
// individual B tone curve
if (bCurve) {
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++) {
float r1, g1, b1, r2, g2, b2, L_1, L_2, Lfactor, a_1, b_1, x_, y_, z_, R, G, B ;
float y, fy, yy, fyy, x, z, fx, fz;
// rgb values before RGB curves
r1 = rtemp[ti * TS + tj] ;
g1 = gtemp[ti * TS + tj] ;
b1 = btemp[ti * TS + tj] ;
//convert to Lab to get a&b before RGB curves
x = toxyz[0][0] * r1 + toxyz[0][1] * g1 + toxyz[0][2] * b1;
y = toxyz[1][0] * r1 + toxyz[1][1] * g1 + toxyz[1][2] * b1;
z = toxyz[2][0] * r1 + toxyz[2][1] * g1 + toxyz[2][2] * b1;
fx = (x < 65535.0f ? cachef[std::max(x, 0.f)] : (327.68f * float(exp(log(x / MAXVALF) / 3.0f ))));
fy = (y < 65535.0f ? cachef[std::max(y, 0.f)] : (327.68f * float(exp(log(y / MAXVALF) / 3.0f ))));
fz = (z < 65535.0f ? cachef[std::max(z, 0.f)] : (327.68f * float(exp(log(z / MAXVALF) / 3.0f ))));
L_1 = (116.0f * fy - 5242.88f); //5242.88=16.0*327.68;
a_1 = (500.0f * (fx - fy) );
b_1 = (200.0f * (fy - fz) );
// rgb values after RGB curves
if (rCurve) {
r2 = rCurve[ rtemp[ti * TS + tj]];
} else {
r2 = r1;
}
if (gCurve) {
g2 = gCurve[ gtemp[ti * TS + tj]];
} else {
g2 = g1;
}
if (bCurve) {
b2 = bCurve[ btemp[ti * TS + tj]];
} else {
b2 = b1;
}
// Luminosity after
// only Luminance in Lab
yy = toxyz[1][0] * r2 + toxyz[1][1] * g2 + toxyz[1][2] * b2;
fyy = (yy < 65535.0f ? cachef[std::max(yy, 0.f)] : (327.68f * float(exp(log(yy / MAXVALF) / 3.0f ))));
L_2 = (116.0f * fyy - 5242.88f);
//gamut control
if(settings->rgbcurveslumamode_gamut) {
float RR, GG, BB;
float HH, Lpro, Chpro;
Lpro = L_2 / 327.68f;
Chpro = sqrt(SQR(a_1) + SQR(b_1)) / 327.68f;
HH = xatan2f(b_1, a_1);
// According to mathematical laws we can get the sin and cos of HH by simple operations
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, Lpro, Chpro, RR, GG, BB, wip, highlight, 0.15f, 0.96f, neg, more_rgb);
#else
//gamut control : Lab values are in gamut
Color::gamutLchonly(HH, Lpro, Chpro, RR, GG, BB, wip, highlight, 0.15f, 0.96f);
#endif
//Color::gamutLchonly(HH,Lpro,Chpro, RR, GG, BB, wip, highlight, 0.15f, 0.96f);
// float2 sincosval = xsincosf(HH);
L_2 = Lpro * 327.68f;
a_1 = 327.68f * Chpro * sincosval.y;
b_1 = 327.68f * Chpro * sincosval.x;
} //end of gamut control
//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);
rtemp[ti * TS + tj] = R;
gtemp[ti * TS + tj] = G;
btemp[ti * TS + tj] = 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) {
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
const float satby100 = sat / 100.f;
float r = rtemp[ti * TS + tj];
float g = gtemp[ti * TS + tj];
float b = btemp[ti * TS + tj];
float h, s, v;
Color::rgb2hsv(r, g, b, h, s, v);
if (sat > 0) {
s = (1.f - satby100) * s + satby100 * (1.f - SQR(SQR(1.f - min(s, 1.0f))));
if (s < 0.f) {
s = 0.f;
}
} 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 artefacts
if (v < 0) {
v = 0;
}
} else {
if (valparam < -0.00001f) {
v *= (1.f + valparam); //1.99 to increase action
}
}
}
Color::hsv2rgb(h, 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)
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];
if(r == 0.0f || g == 0.0f) {
float b = btemp[ti * TS + tj];
float h, s, v;
Color::rgb2hsv(r, g, b, h, s, v);
s *= 0.99f;
Color::hsv2rgb(h, s, v, rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj]);
}
}
}
}
if (hasColorToning && !blackwhite) {
if (params->colorToning.method == "Splitlr") {
float balanS, balanH;
float reducac = 0.4f;
int preser = 0;
if(params->colorToning.lumamode == true) {
preser = 1;
}
balanS = 1.f + Balan / 100.f; //balan between 0 and 2
balanH = 1.f - Balan / 100.f;
float rh, gh, bh;
float rl, gl, bl;
float xh, yh, zh;
float xl, yl, zl;
float iplow, iphigh;
iplow = (float)ctColorCurve.low;
iphigh = (float)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);
retreavergb(rh, gh, bh);
//printf("rl=%f gl=%f bl=%f\n",rl,gl,bl);
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;
int mode = 0;
toning2col (r, g, b, ro, go, bo, iplow, iphigh, rl, gl, bl, rh, gh, bh, SatLow, SatHigh, balanS, balanH, reducac, mode, preser, strProtect);
rtemp[ti * TS + tj] = ro;
gtemp[ti * TS + tj] = go;
btemp[ti * TS + tj] = bo;
}
}
}
// color toning with colour
else if (params->colorToning.method == "Splitco") {
/*
#if 1
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, 1, 0, 1, satLimit, satLimitOpacity, ctColorCurve, ctOpacityCurve, clToningcurve, cl2Toningcurve, 0.f, 1.f, wp, wip);
rtemp[ti*TS+tj] = CLIP(ro);//I used CLIP because there is a little bug in gamutLchonly that return 65536.ii intead of 65535 ==> crash
gtemp[ti*TS+tj] = CLIP(go);
btemp[ti*TS+tj] = CLIP(bo);
}
}
#else
*/
float reducac = 0.3f;
int preser = 0;
//bool execbal = params->colorToning.method=="Splitbal";
if(params->colorToning.lumamode == true) {
preser = 1;
}
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 lumbefore = 0.299f * r + 0.587f * g + 0.114f * b;
float ro, go, bo;
int mode = 0;
toningsmh (r, g, b, ro, go, bo, RedLow, GreenLow, BlueLow, RedMed, GreenMed, BlueMed, RedHigh, GreenHigh, BlueHigh, reducac, mode, preser, strProtect);
float lumafter = 0.299f * ro + 0.587f * go + 0.114f * bo;
float preserv = 1.f;
if(preser == 1) {
preserv = lumbefore / lumafter;
}
ro *= preserv;
go *= preserv;
bo *= preserv;
ro = CLIP(ro);
go = CLIP(go);
bo = CLIP(bo);
rtemp[ti * TS + tj] = ro;
gtemp[ti * TS + tj] = go;
btemp[ti * TS + tj] = bo;
}
}
//#endif
}
//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;
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, iphigh;
if(twocol == false) {
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 == false) {
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);
rtemp[ti * TS + tj] = CLIP(ro); //I used CLIP because there is a little bug in gamutLchonly that return 65536.ii intead of 65535 ==> crash
gtemp[ti * TS + tj] = CLIP(go);
btemp[ti * TS + tj] = CLIP(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 h, s, l;
Color::rgb2hsl(r, g, b, h, s, l);
float l_ = Color::gamma_srgb(l * 65535.f) / 65535.f;
// get the opacity and tweak it to preserve saturated colors
float opacity;
if(ctOpacityCurve) {
opacity = (1.f - min<float>(s / satLimit, 1.f) * (1.f - satLimitOpacity)) * ctOpacityCurve.lutOpacityCurve[l_ * 500.f];
}
if(!ctOpacityCurve) {
opacity = 0.f;
}
float r2, g2, b2;
ctColorCurve.getVal(l_, r2, g2, b2); // get the color from the color curve
float h2, s2, l2;
Color::rgb2hsl(r2, g2, b2, h2, s2, l2); // transform this new color to hsl
Color::hsl2rgb(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) {
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
editIFloatTmpR[ti * TS + tj] = CLIP(fGammaLUTf[rtemp[ti * TS + tj]] / 65535.f);
editIFloatTmpG[ti * TS + tj] = CLIP(fGammaLUTf[gtemp[ti * TS + tj]] / 65535.f);
editIFloatTmpB[ti * TS + tj] = CLIP(fGammaLUTf[btemp[ti * TS + tj]] / 65535.f);
}
}
} 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));
}
}
}
//Film Simulations
if ( colorLUT ) {
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
float &sourceR = rtemp[ti * TS + tj];
float &sourceG = gtemp[ti * TS + tj];
float &sourceB = btemp[ti * TS + tj];
if (!clutAndWorkingProfilesAreSame) {
//convert from working to clut profile
float x, y, z;
Color::rgbxyz( sourceR, sourceG, sourceB, x, y, z, work2xyz );
Color::xyz2rgb( x, y, z, sourceR, sourceG, sourceB, xyz2clut );
}
//appply gamma sRGB (default RT)
sourceR = CLIP<float>( Color::gamma_srgb( sourceR ) );
sourceG = CLIP<float>( Color::gamma_srgb( sourceG ) );
sourceB = CLIP<float>( Color::gamma_srgb( sourceB ) );
float r, g, b;
colorLUT->getRGB( sourceR, sourceG, sourceB, r, g, b );
// apply strength
sourceR = r * filmSimCorrectedStrength + sourceR * filmSimSourceStrength;
sourceG = g * filmSimCorrectedStrength + sourceG * filmSimSourceStrength;
sourceB = b * filmSimCorrectedStrength + sourceB * filmSimSourceStrength;
// apply inverse gamma sRGB
sourceR = Color::igamma_srgb( sourceR );
sourceG = Color::igamma_srgb( sourceG );
sourceB = Color::igamma_srgb( sourceB );
if (!clutAndWorkingProfilesAreSame) {
//convert from clut to working profile
float x, y, z;
Color::rgbxyz( sourceR, sourceG, sourceB, x, y, z, clut2xyz );
Color::xyz2rgb( x, y, z, sourceR, sourceG, sourceB, xyz2work );
}
}
}
}
//black and white
if(blackwhite) {
if (hasToneCurvebw1) {
if (beforeCurveMode == BlackWhiteParams::TC_MODE_STD_BW) { // Standard
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
const StandardToneCurvebw& userToneCurvebw = static_cast<const StandardToneCurvebw&>(customToneCurvebw1);
userToneCurvebw.Apply(rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj]);
}
}
} else if (beforeCurveMode == BlackWhiteParams::TC_MODE_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 AdobeToneCurvebw& userToneCurvebw = static_cast<const AdobeToneCurvebw&>(customToneCurvebw1);
userToneCurvebw.Apply(rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj]);
}
}
} else if (beforeCurveMode == BlackWhiteParams::TC_MODE_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 SatAndValueBlendingToneCurvebw& userToneCurvebw = static_cast<const SatAndValueBlendingToneCurvebw&>(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::TC_MODE_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 WeightedStdToneCurvebw& userToneCurvebw = static_cast<const WeightedStdToneCurvebw&>(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);
// --------------------------------------------------
//gamma correction: pseudo TRC curve
if (hasgammabw) {
Color::trcGammaBW (r, g, b, gammabwr, gammabwg, gammabwb);
}
rtemp[ti * TS + tj] = r;
gtemp[ti * TS + tj] = g;
btemp[ti * TS + tj] = b;
}
}
} 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=>lab
float r = rtemp[ti * TS + tj];
float g = gtemp[ti * TS + tj];
float b = btemp[ti * TS + tj];
float X, Y, Z;
float L, aa, bb;
Color::rgbxyz(r, g, b, X, Y, Z, wp);
//convert Lab
Color::XYZ2Lab(X, Y, Z, L, aa, bb);
//end rgb=>lab
//lab ==> Ch
float CC = sqrt(SQR(aa / 327.68f) + SQR(bb / 327.68f)); //CC chromaticity in 0..180 or more
float HH = xatan2f(bb, aa); // HH hue in -3.141 +3.141
float l_r;//Luminance Lab in 0..1
l_r = L / 32768.f;
if (bwlCurveEnabled) {
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_r = (1.f - valparam) * l_r + valparam * (1.f - SQR(SQR(SQR(SQR(1.f - min(l_r, 1.0f)))))); // SQR (SQR((SQR) to increase action in low light
} else {
l_r *= (1.f + valparam); //for negative
}
}
L = l_r * 32768.f;
float RR, GG, BB;
float Lr;
Lr = L / 327.68f; //for gamutlch
#ifdef _DEBUG
bool neg = false;
bool more_rgb = false;
//gamut control : Lab values are in gamut
Color::gamutLchonly(HH, Lr, CC, RR, GG, BB, wip, highlight, 0.15f, 0.96f, neg, more_rgb);
#else
//gamut control : Lab values are in gamut
Color::gamutLchonly(HH, Lr, CC, RR, GG, BB, wip, highlight, 0.15f, 0.96f);
#endif
//convert CH ==> ab
L = Lr * 327.68f;
// float a_,b_;
// a_=0.f;//grey
// b_=0.f;//grey
//convert lab=>rgb
Color::Lab2XYZ(L, 0.f, 0.f, X, Y, Z);
float rr_, gg_, bb_;
Color::xyz2rgb(X, Y, Z, rr_, gg_, bb_, wip);
rtemp[ti * TS + tj] = gtemp[ti * TS + tj] = btemp[ti * TS + tj] = rr_;
// tmpImage->r(i,j) = tmpImage->g(i,j) = tmpImage->b(i,j) = CLIP(val[0]*kcorec);
if (hasgammabw) {
Color::trcGammaBW (rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj], gammabwr, gammabwg, gammabwb);
}
//gamma correction: pseudo TRC curve
// if (hasgammabw)
// Color::trcGammaBW (rr_, gg_, bb_, gammabwr, gammabwg, gammabwb);
// rtemp[ti*TS+tj] = rr_;
// gtemp[ti*TS+tj] = gg_;
// btemp[ti*TS+tj] = bb_;
}
}
}
}
if(!blackwhite) {
// ready, fill lab
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];
}
float r = rtemp[ti * TS + tj];
float g = gtemp[ti * TS + tj];
float b = btemp[ti * TS + tj];
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, fy, fz;
fx = (x < 65535.0f ? cachef[std::max(x, 0.f)] : (327.68f * float(exp(log(x / MAXVALF) / 3.0f ))));
fy = (y < 65535.0f ? cachef[std::max(y, 0.f)] : (327.68f * float(exp(log(y / MAXVALF) / 3.0f ))));
fz = (z < 65535.0f ? cachef[std::max(z, 0.f)] : (327.68f * float(exp(log(z / MAXVALF) / 3.0f ))));
lab->L[i][j] = (116.0f * fy - 5242.88f); //5242.88=16.0*327.68;
lab->a[i][j] = (500.0f * (fx - fy) );
lab->b[i][j] = (200.0f * (fy - fz) );
//test for color accuracy
/*
float fy = (0.00862069 * lab->L[i][j])/327.68 + 0.137932; // (L+16)/116
float fx = (0.002 * lab->a[i][j])/327.68 + fy;
float fz = fy - (0.005 * lab->b[i][j])/327.68;
float x_ = 65535*Lab2xyz(fx)*Color::D50x;
float y_ = 65535*Lab2xyz(fy);
float z_ = 65535*Lab2xyz(fz)*Color::D50z;
int R,G,B;
xyz2srgb(x_,y_,z_,R,G,B);
r=(float)R; g=(float)G; b=(float)B;
float xxx=1;
*/
}
}
} 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];
}
}
}
}
free(buffer);
if (editIFloatBuffer) {
free (editIFloatBuffer);
}
if (editWhateverBuffer) {
free (editWhateverBuffer);
}
}
// starting a new tile processing with a 'reduction' clause for the auto mixer computing
if (blackwhite) {//channel-mixer
int tW = working->width;
int tH = working->height;
if (algm == 2) { //channel-mixer
//end auto chmix
float mix[3][3];
if (computeMixerAuto) {
// auto channel-mixer
#ifdef _OPENMP
#pragma omp parallel for schedule(dynamic, 5) 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);
mix[0][0] = bwr;
mix[1][0] = bwr;
mix[2][0] = bwr;
mix[0][1] = bwg;
mix[1][1] = bwg;
mix[2][1] = bwg;
mix[0][2] = bwb;
mix[1][2] = bwb;
mix[2][2] = bwb;
#ifdef _OPENMP
#pragma omp parallel for schedule(dynamic, 5)
#endif
for (int i = 0; i < tH; i++) {
float in[3], val[3];
for (int j = 0; j < tW; j++) {
in[0] = tmpImage->r(i, j);
in[1] = tmpImage->g(i, j);
in[2] = tmpImage->b(i, j);
//mix channel
for (int end = 0; end < 3 ; end++) {
val[end] = 0.f;
for (int beg = 0; beg < 3 ; beg++) {
val[end] += mix[end][beg] * in[beg];
}
}
tmpImage->r(i, j) = tmpImage->g(i, j) = tmpImage->b(i, j) = CLIP(val[0] * kcorec);
//gamma correction: pseudo TRC curve
if (hasgammabw) {
Color::trcGammaBW (tmpImage->r(i, j), tmpImage->g(i, j), tmpImage->b(i, j), gammabwr, gammabwg, gammabwb);
}
}
}
}
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) = CLIP(fGammaLUTf[tmpImage->r(i, j)] / 65535.f); // assuming that r=g=b
}
}
}
if (hasToneCurvebw2) {
if (afterCurveMode == BlackWhiteParams::TC_MODE_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 StandardToneCurvebw& userToneCurve = static_cast<const StandardToneCurvebw&>(customToneCurvebw2);
userToneCurve.Apply(tmpImage->r(i, j), tmpImage->g(i, j), tmpImage->b(i, j));
}
}
} else if (afterCurveMode == BlackWhiteParams::TC_MODE_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 WeightedStdToneCurvebw& userToneCurve = static_cast<const WeightedStdToneCurvebw&>(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));
}
}
}
}
//colortoning with black and white
if (hasColorToning) {
if(params->colorToning.method == "Splitco") {
/*
#if 1
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, 1, 0, 1, satLimit, satLimitOpacity, ctColorCurve, ctOpacityCurve, clToningcurve, cl2Toningcurve, 0.f, 1.f, wp, wip);
rtemp[ti*TS+tj] = CLIP(ro);//I used CLIP because there is a little bug in gamutLchonly that return 65536.ii intead of 65535 ==> crash
gtemp[ti*TS+tj] = CLIP(go);
btemp[ti*TS+tj] = CLIP(bo);
}
}
#else
*/
int preser = 0;
if(params->colorToning.lumamode == true) {
preser = 1;
}
float reducac = 0.3f;
#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 lumbefore = 0.299f * r + 0.587f * g + 0.114f * b;
if(lumbefore < 65000.f && lumbefore > 500.f) { //reduct artifacts for highlights an extrem shadows
float ro, go, bo;
int mode = 1;
toningsmh (r, g, b, ro, go, bo, RedLow, GreenLow, BlueLow, RedMed, GreenMed, BlueMed, RedHigh, GreenHigh, BlueHigh, reducac, mode, preser, strProtect);
float lumafter = 0.299f * ro + 0.587f * go + 0.114f * bo;
float preserv = 1.f;
if(preser == 1) {
preserv = lumbefore / lumafter;
}
ro *= preserv;
go *= preserv;
bo *= preserv;
ro = CLIP(ro);
go = CLIP(go);
bo = CLIP(bo);
tmpImage->r(i, j) = ro;
tmpImage->g(i, j) = go;
tmpImage->b(i, j) = bo;
}
}
}
//#endif
}
else if (params->colorToning.method == "Splitlr") {
float balanS, balanH;
float reducac = 0.4f;
int preser = 0;
if(params->colorToning.lumamode == true) {
preser = 1;
}
balanS = 1.f + Balan / 100.f; //balan between 0 and 2
balanH = 1.f - Balan / 100.f;
float rh, gh, bh;
float rl, gl, bl;
float xh, yh, zh;
float xl, yl, zl;
float iplow, iphigh;
iplow = (float)ctColorCurve.low;
iphigh = (float)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);
retreavergb(rh, gh, bh);
#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, go, bo;
int mode = 1;
toning2col (r, g, b, ro, go, bo, iplow, iphigh, rl, gl, bl, rh, gh, bh, SatLow, SatHigh, balanS, balanH, reducac, mode, preser, strProtect);
tmpImage->r(i, j) = ro;
tmpImage->g(i, j) = go;
tmpImage->b(i, j) = bo;
}
}
}
//colortoning with shift color Lab
else if (params->colorToning.method == "Lab" && opautili) {
int algm = 0;
bool twocol = true;
int metchrom;
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, iphigh;
if(twocol == false) {
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 == false) {
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 h, s, l;
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);
tmpImage->r(i, j) = CLIP(ro);
tmpImage->g(i, j) = CLIP(go);
tmpImage->b(i, j) = CLIP(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 h, s, l;
Color::rgb2hsl(r, g, b, h, s, l);
float l_ = Color::gamma_srgb(l * 65535.f) / 65535.f;
// get the opacity and tweak it to preserve saturated colors
float opacity = ctOpacityCurve.lutOpacityCurve[l_ * 500.f] / 4.f;
float r2, g2, b2;
ctColorCurve.getVal(l_, r2, g2, b2); // get the color from the color curve
float h2, s2, l2;
Color::rgb2hsl(r2, g2, b2, h2, s2, l2); // transform this new color to hsl
Color::hsl2rgb(h2, s2, l, r2, g2, b2);
tmpImage->r(i, j) = r + (r2 - r) * opacity;
tmpImage->g(i, j) = g + (g2 - g) * opacity;
tmpImage->b(i, j) = b + (b2 - b) * opacity;
}
}
}
}
// 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++) {
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 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, fy, fz;
fx = (x < 65535.0f ? cachef[std::max(x, 0.f)] : (327.68f * float(exp(log(x / MAXVALF) / 3.0f ))));
fy = (y < 65535.0f ? cachef[std::max(y, 0.f)] : (327.68f * float(exp(log(y / MAXVALF) / 3.0f ))));
fz = (z < 65535.0f ? cachef[std::max(z, 0.f)] : (327.68f * float(exp(log(z / MAXVALF) / 3.0f ))));
lab->L[i][j] = (116.0f * fy - 5242.88f); //5242.88=16.0*327.68;
lab->a[i][j] = (500.0f * (fx - fy) );
lab->b[i][j] = (200.0f * (fy - fz) );
//test for color accuracy
/*float fy = (0.00862069 * lab->L[i][j])/327.68 + 0.137932; // (L+16)/116
float fx = (0.002 * lab->a[i][j])/327.68 + fy;
float fz = fy - (0.005 * lab->b[i][j])/327.68;
float x_ = 65535*Lab2xyz(fx)*Color::D50x;
float y_ = 65535*Lab2xyz(fy);
float z_ = 65535*Lab2xyz(fz)*Color::D50z;
int R,G,B;
xyz2srgb(x_,y_,z_,R,G,B);
r=(float)R; g=(float)G; b=(float)B;
float xxx=1;*/
}
}
if(tmpImage) {
delete tmpImage;
}
}
if (hCurveEnabled) {
delete hCurve;
}
if (sCurveEnabled) {
delete sCurve;
}
if (vCurveEnabled) {
delete vCurve;
}
}
/**
* @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 val ue 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 val ue 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)
{
float zrmd = reducac; //linear = 0.5
float v0m = vend;
float mem = vend / 2.f; //(0. + 0.8)/2.f
aam = (1.f - zrmd * v0m / mem) / (v0m * v0m - mem * v0m); //
bbm = (1.f - aam * v0m * v0m) / v0m;
}
/**
* @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 [0..1] value after transformations of sliders [-100..100] for shadows
* @param GreenLow [0..1] value after transformations of sliders [-100..100] for shadows
* @param BlueLow [0..1] value after transformations of sliders [-100..100] for shadows
* @param RedMed [0..1] value after transformations of sliders [-100..100] for midtones
* @param GreenMed [0..1] value after transformations of sliders [-100..100] for midtones
* @param BlueMed [0..1] value after transformations of sliders [-100..100] for midtones
* @param RedHigh [0..1] value after transformations of sliders [-100..100] for highlights
* @param GreenHigh [0..1] value after transformations of sliders [-100..100] for highlights
* @param BlueHigh [0..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 ?
* @param preser whether to preserve luminance (if 1) or not
**/
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, int preser, float strProtect)
{
float bmu = mode == 1 ? 0.5f : 0.4f;
float RedL = 1.f + (RedLow - 1.f) * 0.4f;
float GreenL = 1.f + (GreenLow - 1.f) * 0.4f;
float BlueL = 1.f + (BlueLow - 1.f) * bmu;
float h, s, v;
Color::rgb2hsv(r, g, b, h, s, v);
float ksat = 1.f;
float ksatlow = 1.f;
// float s_0=0.55f;
// float s_1=0.85f;
/*
if(mode==0) {//color
if(s < s_0) ksat=SQR((1.f/s_0)*s);
if(s > s_1) ksat=SQR((1.f/(s_1-1.f))*s - (1.f/(s_1-1.f)));
}
*/
ksat = 1.f;
float kl = 1.f;
float rlo = 1.f; //0.4 0.5
float rlm = 1.5f; //1.1
float rlh = 2.2f; //1.1
float rlob = bmu; //for BW old mode
if(mode == 0) { //color
rlo *= pow_F(strProtect, 0.4f); //0.5 ==> 0.75
rlh *= pow_F(strProtect, 0.4f);
rlm *= pow_F(strProtect, 0.4f);
} else { //bw coefficient to preserve same results as before for satlimtopacity = 0.5 (default)
rlo = strProtect * 0.8f; //0.4
rlob = strProtect; //0.5
rlm = strProtect * 2.2f; //1.1
rlh = strProtect * 2.4f; //1.2
}
if(mode == 0) {
rlob = rlo;
}
//second degree
float aa, bb, cc;
float v0 = 0.15f;
//fixed value of reducac=0.3
//secondeg_end (reducac, v0, aa, bb, cc);
if(mode == 1) {
reducac = 0.5f; //black and white mode
if(v > 0.15f) {
kl = (-1.f / 0.85f) * v + (1.f) / 0.85f; //Low light ==> decrease action after v=0.15
}
} else { //color
secondeg_end (reducac, v0, aa, bb, cc);
float aab, bbb;
secondeg_begin (0.7f, v0, aab, bbb);
if(v > v0) {
kl = aa * v * v + bb * v + cc; //verified ==> exact
} else if (mode == 0) {
kl = aab * v * v + bbb * v; //ksatlow=ksat;
}
}
if(RedLow != 1.f) {
RedL = 1.f + (RedLow - 1.f) * kl * ksat * rlo; //0.4
if(RedLow >= 1.f) {
g -= 20000.f * (RedL - 1.f) * ksatlow;
b -= 20000.f * (RedL - 1.f) * ksatlow;
} else {
r += 20000.f * (RedL - 1.f) * ksatlow;
}
r = CLIP(r);
g = CLIP(g);
b = CLIP(b);
}
if(GreenLow != 1.f) {
GreenL = 1.f + (GreenLow - 1.f) * kl * ksat * rlo; //0.4
if(GreenLow >= 1.f) {
r -= 20000.f * (GreenL - 1.f) * ksatlow;
b -= 20000.f * (GreenL - 1.f) * ksatlow;
} else {
g += 20000.f * (GreenL - 1.f) * ksatlow;
}
r = CLIP(r);
b = CLIP(b);
g = CLIP(g);
}
if(BlueLow != 1.f) {
BlueL = 1.f + (BlueLow - 1.f) * kl * ksat * rlob;
if(BlueLow >= 1.f) {
r -= 20000.f * (BlueL - 1.f) * ksatlow;
g -= 20000.f * (BlueL - 1.f) * ksatlow;
} else {
b += 20000.f * (BlueL - 1.f) * ksatlow;
}
r = CLIP(r);
g = CLIP(g);
b = CLIP(b);
}
// mid tones
float km;
float v0m = 0.5f; //max action
float v0mm = 0.5f; //max
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 aamm, bbmm, ccmm;
secondeg_end (reducac, v0mm, aamm, bbmm, ccmm);
km = aamm * v * v + bbmm * v + ccmm; //verification good
}
float RedM = 1.f + (RedMed - 1.f) * rlm;
if(RedMed != 1.f) {
RedM = 1.f + (RedMed - 1.f) * km * rlm;
if(RedMed >= 1.f) {
r += 20000.f * (RedM - 1.f);
g -= 10000.f * (RedM - 1.f);
b -= 10000.f * (RedM - 1.f);
r = CLIP(r);
g = CLIP(g);
b = CLIP(b);
} else {
r += 10000.f * (RedM - 1.f);
g -= 20000.f * (RedM - 1.f);
b -= 20000.f * (RedM - 1.f);
r = CLIP(r);
g = CLIP(g);
b = CLIP(b);
}
}
float GreenM = 1.f + (GreenMed - 1.f) * rlm;
if(GreenMed != 1.f) {
GreenM = 1.f + (GreenMed - 1.f) * km * rlm;
if(GreenMed >= 1.f) {
r -= 10000.f * (GreenM - 1.f);
g += 20000.f * (GreenM - 1.f);
b -= 10000.f * (GreenM - 1.f);
r = CLIP(r);
g = CLIP(g);
b = CLIP(b);
} else {
r -= 20000.f * (GreenM - 1.f);
g += 10000.f * (GreenM - 1.f);
b -= 20000.f * (GreenM - 1.f);
r = CLIP(r);
g = CLIP(g);
b = CLIP(b);
}
}
float BlueM = 1.f + (BlueMed - 1.f) * rlm;
if(BlueMed != 1.f) {
BlueM = 1.f + (BlueMed - 1.f) * km * rlm;
if(BlueMed >= 1.f) {
r -= 10000.f * (BlueM - 1.f);
g -= 10000.f * (BlueM - 1.f);
b += 20000.f * (BlueM - 1.f);
r = CLIP(r);
g = CLIP(g);
b = CLIP(b);
} else {
r -= 20000.f * (BlueM - 1.f);
g -= 20000.f * (BlueM - 1.f);
b += 10000.f * (BlueM - 1.f);
r = CLIP(r);
g = CLIP(g);
b = CLIP(b);
}
}
//high tones
float kh;
kh = 1.f;
float v00 = 0.8f; //max action
float aa0, bb0;
secondeg_begin (reducac, v00, aa0, bb0);
// float hmu=1.5f;
// if(mode==1) hmu=1.2f;//for BW old mode
if(v > v00) {
kh = (-1.f / (1.f - v00)) * v + (1.f) / (1.f - v00); //High tones
} else {
kh = aa0 * v * v + bb0 * v; //verification = good
}
float RedH = 1.f + (RedHigh - 1.f) * rlh;
float GreenH = 1.f + (GreenHigh - 1.f) * rlh;
float BlueH = 1.f + (BlueHigh - 1.f) * rlh; //1.2
if(RedHigh != 1.f) {
RedH = 1.f + (RedHigh - 1.f) * kh * rlh; //1.2
if(RedHigh >= 1.f) {
r += 20000.f * (RedH - 1.f);
r = CLIP(r);
} else {
g -= 20000.f * (RedH - 1.f);
b -= 20000.f * (RedH - 1.f);
}
g = CLIP(g);
b = CLIP(b);
}
if(GreenHigh != 1.f) {
GreenH = 1.f + (GreenHigh - 1.f) * kh * rlh; //1.2
if(GreenHigh >= 1.f) {
g += 20000.f * (GreenH - 1.f);
g = CLIP(g);
} else {
r -= 20000.f * (GreenH - 1.f);
b -= 20000.f * (GreenH - 1.f);
}
r = CLIP(r);
b = CLIP(b);
}
if(BlueHigh != 1.f) {
BlueH = 1.f + (BlueHigh - 1.f) * kh * rlh; //1.2
if(BlueHigh >= 1.f) {
b += 20000.f * (BlueH - 1.f);
b = CLIP(b);
} else {
r -= 20000.f * (BlueH - 1.f);
g -= 20000.f * (BlueH - 1.f);
}
r = CLIP(r);
g = CLIP(g);
}
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 rl, float gl, float bl, float rh, float gh, float bh, float SatLow, float SatHigh, float balanS, float balanH, float reducac, int mode, int preser, float strProtect)
{
float lumbefore = 0.299f * r + 0.587f * g + 0.114f * b;
float h, s, l;
Color::rgb2hsl(r, g, b, h, s, l);
float v;
Color::rgb2hsv(r, g, b, h, s, v);
float ksat = 1.f;
float ksatlow = 1.f;
float s_0 = 0.55f;
float s_1 = 0.85f;
/*
if(mode==0) {//color
if(s < s_0) ksat=SQR((1.f/s_0)*s);
if(s > s_1) ksat=SQR((1.f/(s_1-1.f))*s - (1.f/(s_1-1.f)));
}
*/
ksat = 1.f;
float kl = 1.f;
float rlo = 1.f;
float rlh = 2.2f;
rlo *= pow_F(strProtect, 0.4f); //0.5 ==> 0.75 transfered value for more action
rlh *= pow_F(strProtect, 0.4f);
//low tones
//second degree
float aa, bb, cc;
//fixed value of reducac =0.4;
secondeg_end (reducac, iplow, aa, bb, cc);
float aab, bbb, ccb;
secondeg_begin (0.7f, iplow, aab, bbb);
if(v > iplow) {
kl = aa * v * v + bb * v + cc;
} else if (mode == 0) {
kl = aab * v * v + bbb * v;
}
//rl gl bl
float RedL, GreenL, BlueL;
float krl = rl / (rl + gl + bl);
float kgl = gl / (rl + gl + bl);
float kbl = bl / (rl + gl + bl);
if(SatLow > 0.f) {
float kmgb;
if(g < 20000.f || b < 20000.f || r < 20000.f) {
kmgb = min(r, g, b); //I have tested ...0.85 compromise...
kl *= pow((kmgb / 20000.f), 0.85f);
}
RedL = 1.f + (SatLow * krl) * kl * ksat * rlo * balanS; //0.4
if(krl > 0.f) {
g -= 20000.f * (RedL - 1.f) * ksatlow;
b -= 20000.f * (RedL - 1.f) * ksatlow;
}
g = CLIP(g);
b = CLIP(b);
GreenL = 1.f + (SatLow * kgl) * kl * ksat * rlo * balanS; //0.4
if(kgl > 0.f) {
r -= 20000.f * (GreenL - 1.f) * ksatlow;
b -= 20000.f * (GreenL - 1.f) * ksatlow;
}
r = CLIP(r);
b = CLIP(b);
BlueL = 1.f + (SatLow * kbl) * kl * ksat * rlo * balanS; //0.4
if(kbl > 0.f) {
r -= 20000.f * (BlueL - 1.f) * ksatlow;
g -= 20000.f * (BlueL - 1.f) * ksatlow;
}
r = CLIP(r);
g = CLIP(g);
}
//high tones
float kh = 1.f;
kh = 1.f;
float aa0, bb0;
//fixed value of reducac ==0.4;
secondeg_begin (reducac, iphigh, aa0, bb0);
if(v > iphigh) {
kh = (-1.f / (1.f - iphigh)) * v + (1.f) / (1.f - iphigh); //Low light ==> decrease action after iplow
} else {
kh = aa0 * v * v + bb0 * v;
}
float kmgb;
if(g > 45535.f || b > 45535.f || r > 45535.f) {
kmgb = max(r, g, b);
float cora = 1.f / (45535.f - 65535.f);
float corb = 1.f - cora * 45535.f;
float cor = kmgb * cora + corb;
kh *= cor;
/* best algo if necessary with non linear response...little differences and more time!
float aa=1.f /(pow(45535.f,0.65f) - pow(65535.f,0.65f));
float bb=1.f-aa*pow(45535.f,0.65f);
float cor=aa*pow(kmbg,0.65f)+bb;
kh*=cor;*/
}
float RedH, GreenH, BlueH;
float krh = rh / (rh + gh + bh);
float kgh = gh / (rh + gh + bh);
float kbh = bh / (rh + gh + bh);
if(SatHigh > 0.f) {
RedH = 1.f + (SatHigh * krh) * kh * rlh * balanH; //1.2
if(krh > 0.f) {
r += 20000.f * (RedH - 1.f);
r = CLIP(r);
}
g = CLIP(g);
b = CLIP(b);
GreenH = 1.f + (SatHigh * kgh) * kh * rlh * balanH; //1.2
if(kgh > 0.f) {
g += 20000.f * (GreenH - 1.f);
g = CLIP(g);
}
r = CLIP(r);
b = CLIP(b);
BlueH = 1.f + (SatHigh * kbh) * kh * rlh * balanH; //1.2
if(kbh > 0.f) {
b += 20000.f * (BlueH - 1.f);
b = CLIP(b);
}
r = CLIP(r);
g = CLIP(g);
}
float lumafter = 0.299f * r + 0.587f * g + 0.114f * b;
float preserv = 1.f;
if(preser == 1) {
preserv = lumbefore / lumafter;
}
//float preserv=lumbefore/lumafter;
ro = r;
go = g;
bo = b;
ro *= preserv;
go *= preserv;
bo *= preserv;
ro = CLIP(ro);
go = CLIP(go);
bo = CLIP(bo);
}
/**
* @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, LUTf & clToningcurve, LUTf & cl2Toningcurve, float iplow, float iphigh, double wp[3][3], double wip[3][3] )
{
float realL;
float h, s, l;
Color::rgb2hsl(r, g, b, 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;
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));
//float ro, go, bo;
bool chr = true;
bool lum = false;
float lm = l;
float chromat, luma;
if (clToningcurve[lm * 65535.f] / (lm * 65535.f) < 1.f) {
chromat = (clToningcurve[(lm) * 65535.f] / (lm * 65535.f)) - 1.f; //special effect
} else {
chromat = 1.f - SQR(SQR((lm * 65535.f) / clToningcurve[(lm) * 65535.f])); //apply C=f(L) acts on 'a' and 'b'
}
if (cl2Toningcurve[lm * 65535.f] / (lm * 65535.f) < 1.f) {
luma = (cl2Toningcurve[(lm) * 65535.f] / (lm * 65535.f)) - 1.f; //special effect
} else {
luma = 1.f - SQR(SQR((lm * 65535.f) / (cl2Toningcurve[(lm) * 65535.f]))); //apply C2=f(L) acts only on 'b'
}
int todo = 1;
if (algm == 1) {
Color::interpolateRGBColor(realL, iplow, iphigh, algm, opacity, twoc, metchrom, chr, lum, chromat, luma, r, g, b, xl, yl, zl, x2, y2, z2, todo, wp, wip, ro, go, bo);
} else {
Color::interpolateRGBColor(realL, iplow, iphigh, algm, opacity2, twoc, metchrom, chr, lum, chromat, luma, r, g, b, xl, yl, zl, x2, y2, z2, todo, wp, wip, ro, go, bo);
}
}
void ImProcFunctions::luminanceCurve (LabImage* lold, LabImage* lnew, LUTf & curve)
{
int W = lold->W;
int H = lold->H;
#pragma omp parallel for if (multiThread)
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];
}
}
SSEFUNCTION void ImProcFunctions::chromiLuminanceCurve (EditBuffer *editBuffer, int pW, LabImage* lold, LabImage* lnew, LUTf & acurve, LUTf & bcurve, LUTf & satcurve, LUTf & lhskcurve, LUTf & clcurve, LUTf & curve, bool utili, bool autili, bool butili, bool ccutili, bool cclutili, bool clcutili, LUTu &histCCurve, LUTu &histCLurve, LUTu &histLLCurve, LUTu &histLCurve)
{
int W = lold->W;
int H = lold->H;
// lhskcurve.dump("lh_curve");
//init Flatcurve for C=f(H)
// NOTE: We're getting all 3 pointers here, but this function may not need them all, so one could optimize this
Imagefloat* editImgFloat = NULL;
LabImage* editLab = NULL;
PlanarWhateverData<float>* editWhatever = NULL;
EditUniqueID editID = EUID_None;
bool editPipette = false;
if (editBuffer) {
editID = editBuffer->getEditID();
if (editID != EUID_None) {
editPipette = true;
switch (editBuffer->getDataProvider()->getCurrSubscriber()->getEditBufferType()) {
case (BT_IMAGEFLOAT):
editImgFloat = editBuffer->getImgFloatBuffer();
break;
case (BT_LABIMAGE):
editLab = editBuffer->getLabBuffer();
break;
case (BT_SINGLEPLANE_FLOAT):
editWhatever = editBuffer->getSinglePlaneBuffer();
break;
}
}
}
FlatCurve* chCurve = NULL;// curve C=f(H)
bool chutili = false;
if (params->labCurve.chromaticity > -100) {
chCurve = new FlatCurve(params->labCurve.chcurve);
if (!chCurve || chCurve->isIdentity()) {
if (chCurve) {
delete chCurve;
chCurve = NULL;
}
}//do not use "Munsell" if Chcurve not used
else {
chutili = true;
}
}
FlatCurve* lhCurve = NULL;//curve L=f(H)
bool lhutili = false;
if (params->labCurve.chromaticity > -100) {
lhCurve = new FlatCurve(params->labCurve.lhcurve);
if (!lhCurve || lhCurve->isIdentity()) {
if (lhCurve) {
delete lhCurve;
lhCurve = NULL;
}
}//do not use "Munsell" if Chcurve not used
else {
lhutili = true;
}
}
FlatCurve* hhCurve = NULL;//curve H=f(H)
bool hhutili = false;
if (params->labCurve.chromaticity > -100) {
hhCurve = new FlatCurve(params->labCurve.hhcurve);
if (!hhCurve || hhCurve->isIdentity()) {
if (hhCurve) {
delete hhCurve;
hhCurve = NULL;
}
}//do not use "Munsell" if Chcurve not used
else {
hhutili = true;
}
}
LUTf dCcurve;
LUTf dLcurve;
LUTu hist16Clad;
LUTu hist16Llad;
//preparate for histograms CIECAM
if(pW != 1) { //only with improccoordinator
dCcurve(48000, 0);
dLcurve(65536, 0);
hist16Clad(65536);
hist16Llad(65536);
float val;
for (int i = 0; i < 48000; i++) { //# 32768*1.414 approximation maxi for chroma
val = (double)i / 47999.0;
dCcurve[i] = CLIPD(val);
}
for (int i = 0; i < 65535; i++) { // a
val = (double)i / 65534.0;
dLcurve[i] = CLIPD(val);
}
hist16Clad.clear();
hist16Llad.clear();
}
#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.working == "ProPhoto") {
adjustr = 1.2f; // 1.2 instead 1.0 because it's very rare to have C>170..
} else if (params->icm.working == "Adobe RGB") {
adjustr = 1.8f;
} else if (params->icm.working == "sRGB") {
adjustr = 2.0f;
} else if (params->icm.working == "WideGamut") {
adjustr = 1.2f;
} else if (params->icm.working == "Beta RGB") {
adjustr = 1.4f;
} else if (params->icm.working == "BestRGB") {
adjustr = 1.4f;
} else if (params->icm.working == "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;
const bool bwToning = params->labCurve.chromaticity == - 100 /*|| 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->workingSpaceInverseMatrix (params->icm.working);
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->workingSpaceMatrix (params->icm.working);
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 _DEBUG
#pragma omp parallel default(shared) firstprivate(highlight, ccut, clut, chromaticity, bwToning, rstprotection, avoidColorShift, LCredsk, protectRed, protectRedH, gamutLch, lold, lnew, MunsDebugInfo, pW) if (multiThread)
#else
#pragma omp parallel if (multiThread)
#endif
{
#ifdef __SSE2__
float HHBuffer[W] ALIGNED16;
float CCBuffer[W] ALIGNED16;
#endif
#pragma omp for schedule(dynamic, 16)
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, multiThread);
}
#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], _mm_sqrt_ps(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 khue = 1.9f; //in reserve in case of!
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
{
l_r *= (1.f + khue * valparamneg);
}
}
Lprov1 = l_r * 100.f;
float Chprov2 = sqrt(SQR(atmp) + SQR(btmp)) / 327.68f;
//Gamut control especialy fot negative values slightly different of gamutlchonly
bool inRGB;
do {
inRGB = true;
float aprov1 = Chprov2 * sincosval.y;
float bprov1 = Chprov2 * sincosval.x;
float fy = (0.00862069f * Lprov1 ) + 0.137932f;
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) { // begin C=f(L)
float factorskin, factorsat, factor, factorskinext, interm;
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) {
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 *= factor;
btmp *= factor;
}
// 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, interm;
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) {
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
int posp = CLIP((int)sqrt((atmp * atmp + btmp * btmp)));
hist16Clad[posp]++;
}
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
int posl = CLIP((int(Lprov1 * 327.68f)));
hist16Llad[posl]++;
}
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
//update histogram C with data chromaticity and not with CC curve
if(pW != 1) { //only with improccoordinator
for (int i = 0; i < 48000; i++) { //32768*1.414 + ...
float hval = dCcurve[i];
int hi = (int)(255.0 * CLIPD(hval)); //
histCCurve[hi] += hist16Clad[i] ;
}
//update histogram L with data luminance
for (int i = 0; i < 65535; i++) {
float hlval = dLcurve[i];
int hli = (int)(255.0 * CLIPD(hlval));
histLCurve[hli] += hist16Llad[i] ;
}
}
#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=%i\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=%i\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, 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, ncie, params->defringe.radius, params->defringe.threshold);
}
}
void ImProcFunctions::badpixcam(CieImage* ncie, double rad, int thr, int mode, float b_l, float t_l, float t_r, float b_r, float skinprot, float chrom, int hotbad)
{
if(ncie->W >= 8 && ncie->H >= 8) {
Badpixelscam(ncie, ncie, rad, thr, mode, b_l, t_l, t_r, b_r, skinprot, chrom, hotbad);
}
}
void ImProcFunctions::badpixlab(LabImage* lab, double rad, int thr, int mode, float b_l, float t_l, float t_r, float b_r, float skinprot, float chrom)
{
if(lab->W >= 8 && lab->H >= 8) {
BadpixelsLab(lab, lab, rad, thr, mode, b_l, t_l, t_r, b_r, skinprot, 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.value[0]) / 100.0f;
float t_l = static_cast<float>(params->dirpyrequalizer.hueskin.value[1]) / 100.0f;
float b_r = static_cast<float>(params->dirpyrequalizer.hueskin.value[2]) / 100.0f;
float t_r = static_cast<float>(params->dirpyrequalizer.hueskin.value[3]) / 100.0f;
int choice = 0; //I have not disabled this statement in case of ! always 0
// if (params->dirpyrequalizer.algo=="FI") choice=0;
// else if(params->dirpyrequalizer.algo=="LA") choice=1;
float artifact = (float) settings->artifact_cbdl;
if(artifact > 6.f) {
artifact = 6.f;
}
if(artifact < 0.f) {
artifact = 1.f;
}
float chrom = 50.f;
if(params->dirpyrequalizer.gamutlab) {
ImProcFunctions::badpixlab (lab, artifact, 5, 3, b_l, t_l, t_r, b_r, params->dirpyrequalizer.skinprotect, chrom); //for artifacts
}
//dirpyrLab_equalizer(lab, lab, params->dirpyrequalizer.mult);
dirpyr_equalizer(lab->L, lab->L, lab->W, lab->H, lab->a, lab->b, lab->a, lab->b, params->dirpyrequalizer.mult, params->dirpyrequalizer.threshold, params->dirpyrequalizer.skinprotect, params->dirpyrequalizer.gamutlab, b_l, t_l, t_r, b_r, choice, scale);
}
}
void ImProcFunctions::EPDToneMapCIE(CieImage *ncie, float a_w, float c_, float w_h, int Wid, int Hei, int begh, int endh, 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;
unsigned int i, N = Wid * Hei;
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 = EdgePreservingDecomposition(Wid, Hei);
#pragma omp parallel for
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, (float)sca / skip, (float)edgest, Compression, DetailBoost, Iterates, rew, Qpr);
//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
#pragma omp parallel for schedule(dynamic,10)
#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;//normaly 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, (float)sca/skip, (float)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];
unsigned int i, N = lab->W * lab->H;
EdgePreservingDecomposition epd = EdgePreservingDecomposition(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;
#pragma omp parallel
{
float lminL = FLT_MAX;
float lmaxL = 0.f;
#pragma omp for
for(i = 0; i < N; i++) {
if(L[i] < lminL) {
lminL = L[i];
}
if(L[i] > lmaxL) {
lmaxL = L[i];
}
}
#pragma omp critical
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.
}
#pragma omp parallel for
for(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, L);
//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(int ii = 0; ii < N; ii++)
a[ii] *= s,
b[ii] *= s,
//L[ii] = L[ii]*32767.0f*(1.f/gamm) + minL;
L[ii] = L[ii] * maxL * (1.f / gamm) + minL;
}
void ImProcFunctions::getAutoExp (LUTu & histogram, int histcompr, double defgain, 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, hidev = 0.f, lodev = 0.f;
//find average luminance
for (int i = 0; i < imax; i++) {
sum += histogram[i];
ave += histogram[i] * (float)i;
}
ave /= (sum);
//find median of luminance
int 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;
for (int i = 0; i < imax; i++) {
if (count < 8) {
octile[count] += histogram[i];
if (octile[count] > sum / 8.f || (count == 7 && octile[count] > sum / 16.f)) {
octile[count] = log(1. + (float)i) / log(2.f);
count++;// = min(count+1,7);
}
}
if (i < ave) {
//lodev += SQR(ave-i)*histogram[i];
lodev += (log(ave + 1.f) - log((float)i + 1.)) * histogram[i];
losum += histogram[i];
} else {
//hidev += SQR(i-ave)*histogram[i];
hidev += (log((float)i + 1.) - log(ave + 1.f)) * histogram[i];
hisum += histogram[i];
}
}
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] > log((float)imax + 1.f) / log2(2.f)) { //if very overxposed image
octile[6] = 1.5f * octile[5] - 0.5f * octile[4];
overex = 2;
}
if (octile[7] > log((float)imax + 1.f) / 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.)
int clipped = 0;
int rawmax = (imax) - 1;
while (rawmax > 1 && histogram[rawmax] + clipped <= 0) {
clipped += histogram[rawmax];
rawmax--;
}
//compute clipped white point
int clippable = (int)(sum * clip / 100.f );
int somm = sum;
clipped = 0;
int whiteclip = (imax) - 1;
while (whiteclip > 1 && histogram[whiteclip] + clipped <= clippable) {
clipped += histogram[whiteclip];
whiteclip--;
}
int clipwh = clipped;
//compute clipped black point
clipped = 0;
int shc = 0;
while (shc < whiteclip - 1 && histogram[shc] + clipped <= clippable) {
clipped += histogram[shc];
shc++;
}
int clipbl = clipped;
//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 expo = log(midgray * scale / (ave - shc + midgray * shc));
//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 = 33;
//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);
double gavg = 0.;
for (int i = 0; i<65536 >> histcompr; i++) {
gavg += histogram[i] * CurveFactory::gamma2((float)(corr * (i << histcompr) < 65535 ? corr * (i << histcompr) : 65535)) / sum;
}
if (black < gavg) {
int maxwhiteclip = (gavg - black) * 4 / 3 + black; // dont 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
//corection 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; // dont 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 != "") {
rtengine::RawMetaDataLocation ri;
int w_raw = -1, h_raw = thumb_size;
int w_thumb = -1, h_thumb = thumb_size;
Thumbnail* thumb = rtengine::Thumbnail::loadQuickFromRaw (fname, ri, w_thumb, h_thumb, 1, FALSE);
if (thumb == NULL) {
return 0.0;
}
Thumbnail* raw = rtengine::Thumbnail::loadFromRaw (fname, ri, w_raw, h_raw, 1, 1.0, FALSE);
if (raw == NULL) {
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 == NULL || rawGray == NULL) {
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
dist_result = calcDistortion (thumbGray, rawGray, width, h_thumb, 4, dist_amount);
}
delete thumbGray;
delete rawGray;
delete thumb;
delete raw;
return dist_amount;
} else {
return 0.0;
}
}
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
}
#undef PIX_SORT
#undef med3x3
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