Merge from DEFAULT f1e80d00c3099a65283f143268318e504ce6ea85

see comments in issue 1052, comment 439
This commit is contained in:
michael
2012-07-25 21:24:57 -04:00
89 changed files with 6454 additions and 4740 deletions

View File

@@ -56,7 +56,7 @@ namespace rtengine {
#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;
@@ -188,9 +188,15 @@ void ImProcFunctions::firstAnalysis (Imagefloat* original, const ProcParams* par
}
void ImProcFunctions::rgbProc (Imagefloat* working, LabImage* lab, LUTf & hltonecurve, LUTf & shtonecurve, LUTf & tonecurve,
SHMap* shmap, int sat, LUTf & rCurve, LUTf & gCurve, LUTf & bCurve) {
rgbProc (working, lab, hltonecurve, shtonecurve, tonecurve, shmap, sat, rCurve, gCurve, bCurve, params->toneCurve.expcomp, params->toneCurve.hlcompr, params->toneCurve.hlcomprthresh);
}
// Process RGB image and convert to LAB space
void ImProcFunctions::rgbProc (Imagefloat* working, LabImage* lab, LUTf & hltonecurve, LUTf & shtonecurve, LUTf & tonecurve,
SHMap* shmap, int sat, LUTf & rCurve, LUTf & gCurve, LUTf & bCurve) {
SHMap* shmap, int sat, LUTf & rCurve, LUTf & gCurve, LUTf & bCurve,
double expcomp, int hlcompr, int hlcomprthresh) {
int h_th, s_th;
if (shmap) {
@@ -249,9 +255,9 @@ void ImProcFunctions::rgbProc (Imagefloat* working, LabImage* lab, LUTf & hltone
if (sCurveEnabled) sCurve = new FlatCurve(params->hsvequalizer.scurve);
if (vCurveEnabled) vCurve = new FlatCurve(params->hsvequalizer.vcurve);
const float exp_scale = pow (2.0, params->toneCurve.expcomp);
const float comp = (max(0.0, params->toneCurve.expcomp) + 1.0)*params->toneCurve.hlcompr/100.0;
const float shoulder = ((65536.0/max(1.0f,exp_scale))*(params->toneCurve.hlcomprthresh/200.0))+0.1;
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;
@@ -422,7 +428,7 @@ void ImProcFunctions::rgbProc (Imagefloat* working, LabImage* lab, LUTf & hltone
if (sCurveEnabled) delete sCurve;
if (vCurveEnabled) delete vCurve;
delete [] cossq;
}
}
void ImProcFunctions::luminanceCurve (LabImage* lold, LabImage* lnew, LUTf & curve) {
@@ -437,64 +443,306 @@ void ImProcFunctions::luminanceCurve (LabImage* lold, LabImage* lnew, LUTf & cur
lnew->L[i][j] = curve[Lin];
}
}
void ImProcFunctions::chrominanceCurve (LabImage* lold, LabImage* lnew, LUTf & acurve, LUTf & bcurve, LUTf & satcurve) {
void ImProcFunctions::chromiLuminanceCurve (LabImage* lold, LabImage* lnew, LUTf & acurve, LUTf & bcurve, LUTf & satcurve/*,LUTf & satbgcurve*/, LUTf & curve, bool utili, bool autili, bool butili, bool ccutili) {
int W = lold->W;
int H = lold->H;
//init Flatcurve for C=f(H)
FlatCurve* chCurve = NULL;
bool chutili = false;
if (!params->labCurve.bwtoning) {
chCurve = new FlatCurve(params->labCurve.chcurve);
if (chCurve && !chCurve->isIdentity()) {
chutili=true;
}//do not use "Munsell" if Chcurve not used
}
#ifdef _DEBUG
MyTime t1e,t2e, t3e, t4e;
t1e.set();
// init variables to display Munsell corrections
MunsellDebugInfo* MunsDebugInfo = new MunsellDebugInfo();
#endif
unsigned int N = W*H;
float *L = lold->L[0];
float *a= lold->a[0];
float *b= lold->b[0];
float* Lold = new float [lold->W*lold->H];//to save L before any used
float* Cold = new float [lold->W*lold->H];//to save C before any used
float adjustr=1.0f, adjustbg=1.0f;
// if(params->labCurve.avoidclip ){
for (unsigned int j=0; j!=N; j++){
Lold[j]=L[j]/327.68f;
Cold[j]=sqrt(SQR(a[j]/327.68f)+SQR(b[j]/327.68f));
// Hr=atan2(b[j],a[j]);
// if(Hr >-0.15f && Hr < 1.5f && Cold[j]>maxCr)
// maxCr=Cold[j]; // I do not take into account "acurve" and "bcurve" to adjust max
// else if (Cold[j]>maxCbg)
// maxCbg=Cold[j];
}
// parameter to adapt curve C=f(C) to gamut
if (params->icm.working=="ProPhoto") {adjustr = adjustbg = 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; adjustbg = 1.4f;}
else if (params->icm.working=="sRGB") {adjustr = 2.0f; adjustbg = 1.7f;}
else if (params->icm.working=="WideGamut") {adjustr = adjustbg = 1.2f;}
else if (params->icm.working=="Beta RGB") {adjustr = adjustbg = 1.4f;}
else if (params->icm.working=="BestRGB") {adjustr = adjustbg = 1.4f;}
else if (params->icm.working=="BruceRGB") {adjustr = 1.8f; adjustbg = 1.5f;}
// reference to the params structure has to be done outside of the parallelization to avoid CPU cache problem
bool highlight = params->hlrecovery.enabled; //Get the value if "highlight reconstruction" is activated
int chromaticity = params->labCurve.chromaticity;
bool bwToning = params->labCurve.bwtoning;
double rstprotection = 100.-params->labCurve.rstprotection; // Red and Skin Tones Protection
// avoid color shift is disabled when bwToning is activated
bool avoidColorShift = params->labCurve.avoidcolorshift && !bwToning;
int protectRed = settings->protectred;
double protectRedH = settings->protectredh;
bool gamutLch = settings->gamutLch;
// only if user activate Lab adjustements
if (avoidColorShift) {
if(autili || butili || ccutili || chutili || utili || chromaticity)
Color::LabGamutMunsell(lold, Lold, Cold, /*corMunsell*/true, /*lumaMuns*/false, params->hlrecovery.enabled, /*gamut*/true, params->icm.working, multiThread);
}
#ifdef _DEBUG
#pragma omp parallel default(shared) firstprivate(highlight, chromaticity, bwToning, rstprotection, avoidColorShift, protectRed, protectRedH, gamutLch, lold, lnew, MunsDebugInfo) if (multiThread)
#else
#pragma omp parallel default(shared) firstprivate(highlight, chromaticity, bwToning, rstprotection, avoidColorShift, protectRed, protectRedH, gamutLch, lold, lnew) if (multiThread)
#endif
{
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);
//if(utili) curve.dump("Lcurve");
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]}};
#pragma omp parallel for if (multiThread)
for (int i=0; i<H; i++)
for (int j=0; j<W; j++) {
float atmp = acurve[lold->a[i][j]+32768.0f]-32768.0f;
float btmp = bcurve[lold->b[i][j]+32768.0f]-32768.0f;
//float maxlp=-100.0, minlp=200.0;
#pragma omp for schedule(dynamic, 10)
for (int i=0; i<H; i++)
for (int j=0; j<W; j++) {
float LL=lold->L[i][j]/327.68f;
float CC=sqrt(SQR(lold->a[i][j]/327.68f) + SQR(lold->b[i][j]/327.68f));
float HH=atan2(lold->b[i][j],lold->a[i][j]);
float Chprov=CC;
float Chprov1=CC;
float memChprov=Chprov;
float Lprov2=LL;
float Lin=lold->L[i][j];
lnew->L[i][j] = curve[Lin];
float Lprov1=(lnew->L[i][j])/327.68f;
float chromaChfactor=1.0f;
float atmp = acurve[lold->a[i][j]+32768.0f]-32768.0f;// curves Lab a
float btmp = bcurve[lold->b[i][j]+32768.0f]-32768.0f;// curves Lab b
//float chromaCredfactor=1.0f;
//float chromaCbgfactor=1.0f;
// chromaCfactor=(satcurve[chroma*adjustr])/(chroma*adjustr);//apply C=f(C)
// chromaCbgfactor=(satbgcurve[chroma*adjustbg])/(chroma*adjustbg);
// calculate C=f(H)
if (chutili) {
double hr;
//hr=translate Hue Lab value (-Pi +Pi) in approximative hr (hsv values) (0 1) [red 1/6 yellow 1/6 green 1/6 cyan 1/6 blue 1/6 magenta 1/6 ]
// with multi linear correspondances (I expect there is no error !!)
if (HH<-2.7f) hr=0.020380804*double(HH)+0.970281708; //Lab green =>hr # 0.33 ==> 0.33 0.42
else if (HH<-2.1f) hr=0.266666667*double(HH)+1.14; //Lab cyan =>hr # 0.50 ==> 0.42 0.58
else if (HH<-0.9f) hr=0.141666 *double(HH)+0.8775; //Lab blue =>hr # 0.67 ==> 0.58 0.75
else if (HH<-0.1f) hr=0.2125 *double(HH)+0.94125; //Lab magenta (purple) =>hr # 0.83 ==> 0.75 0.92
else if (HH< 1.3f) hr=0.12142857 *double(HH)+0.932142857; //Lab red and skin =>hr # 0 ==> 0.92 1.09
else if (HH< 2.2f) hr=0.1666667 *double(HH)-0.1266667; //Lab yellow and green yellow =>hr # 0.16 ==> 0.09 0.24
else hr=0.0955828 *double(HH)+0.02971784; //Lab green =>hr # 0.33 ==> 0.24 0.33
//allways put h between 0 and 1
if (hr<0.0) hr += 1.0;
else if(hr>1.0) hr -= 1.0;
float chparam = float((chCurve->getVal(hr)-0.5f) * 2.0f);//get C=f(H)
chromaChfactor=1.0f+chparam;
}
atmp *= chromaChfactor;//apply C=f(H)
btmp *= chromaChfactor;
// if (params->labCurve.chromaticity) {// if user use sliders
if(chromaticity!=0 && !bwToning){
// approximation in Lab mode to protect skin tones and avoid too big gamut clip for red
float scale = 100.0f/100.1f;//reduction in normal zone
float scaleext=1.0f;//reduction in transition zone
float protect_red,protect_redh;
float deltaHH;//HH value transition
float dred=55.0f;//C red value limit
protect_red=float(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
deltaHH=protect_redh;//transition hue
//simulate very approximative gamut f(L) : with pyramid transition
if (Lprov1<25.0f) dred = 40.0f;
else if(Lprov1<30.0f) dred = 3.0f*Lprov1 -35.0f;
else if(Lprov1<70.0f) dred = 55.0f;
else if(Lprov1<75.0f) dred = -3.0f*Lprov1 +265.0f;
else dred = 40.0f;
if(rstprotection<99.9999) {
if(chromaticity>0)
scale = rstprotection/100.1f;
if((HH< (1.3f+deltaHH) && HH >=1.3f))
scaleext=HH*(1.0f-scale)/deltaHH + 1.0f - (1.3f+deltaHH)*(1.0f-scale)/deltaHH; //transition for Hue (red - yellow)
else if((HH< 0.15f && HH >(0.15f-deltaHH)))
scaleext=HH*(scale-1.0f)/deltaHH + 1.0f - (0.15f-deltaHH)*(scale-1.0f)/deltaHH; //transition for hue (red purple)
}
//transition for red , near skin tones
float factorskin, factorsat, factor, factorskinext;
factorskin=1.0f+(chromaticity*scale)/100.0f;
factorskinext=1.0f+(chromaticity*scaleext)/100.0f;
factorsat=1.0f+(chromaticity)/100.0f;/*if(factorsat==1.0f) factorsat=1.1f;*/
factor = factorsat;
// Test if chroma is in the normal range first
if(HH>=0.15f && HH<1.3f) {
if (Chprov1<dred)
factor = factorskin;
else if(Chprov1<(dred+protect_red))
factor = (factorsat-factorskin)/protect_red*Chprov1+factorsat-(dred+protect_red)*(factorsat-factorskin)/protect_red;
}
// then test if chroma is in the extanded range
else if ( HH>(0.15f-deltaHH) || HH<(1.3f+deltaHH) ) {
if (Chprov1 < dred)
factor = factorskinext;// C=dred=55 => real max of skin tones
else if (Chprov1 < (dred+protect_red))// transition
factor = (factorsat-factorskinext)/protect_red*Chprov1+factorsat-(dred+protect_red)*(factorsat-factorskinext)/protect_red;
}
atmp *= factor;
btmp *= factor;
// end approximation
}
// I have placed C=f(C) after all C treatments to assure maximum amplitude of "C"
if (!bwToning) {
float chroma = sqrt(SQR(atmp)+SQR(btmp)+0.001f);
float chromaCfactor = (satcurve[chroma*adjustr])/(chroma*adjustr);//apply C=f(C)
atmp *= chromaCfactor;
btmp *= chromaCfactor;
}
// end chroma C=f(C)
Chprov1 = sqrt(SQR(atmp/327.68f)+SQR(btmp/327.68f));
/*
// modulation of a and b curves with saturation
if (params->labCurve.saturation!=0 && !params->labCurve.bwtoning) {
if (params->labCurve.chromaticity!=0 && !params->labCurve.bwtoning) {
float chroma = sqrt(SQR(atmp)+SQR(btmp)+0.001);
float satfactor = (satcurve[chroma+32768.0f]-32768.0f)/chroma;
atmp *= satfactor;
btmp *= satfactor;
}
*/
// 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 (params->labCurve.bwtoning) {
if (bwToning) {
atmp -= lold->a[i][j];
btmp -= lold->b[i][j];
}
if (params->labCurve.avoidclip) {
//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);
} else {
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,Lprov1,Chprov1, R, G, B, wip, highlight, 0.4f, 0.95f, neg, more_rgb);
#else
//gamut control : Lab values are in gamut
Color::gamutLchonly(HH,Lprov1,Chprov1, R, G, B, wip, highlight, 0.4f, 0.95f);
#endif
Lprov2 = Lprov1;
lnew->L[i][j]=Lprov1*327.68f;
lnew->a[i][j]=327.68f*Chprov1*cos(HH);
lnew->b[i][j]=327.68f*Chprov1*sin(HH);
}
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 || ccutili || chutili || chromaticity) {
float correctionHue=0.0f; // Munsell's correction
float correctlum=0.0f;
Lprov1=lnew->L[i][j]/327.68f;
Chprov=sqrt(SQR(lnew->a[i][j]/327.68f)+ SQR(lnew->b[i][j]/327.68f));
#ifdef _DEBUG
Color::AllMunsellLch(/*lumaMuns*/true, Lprov1,Lprov2,HH,Chprov,memChprov,correctionHue,correctlum, MunsDebugInfo);
#else
Color::AllMunsellLch(/*lumaMuns*/true, Lprov1,Lprov2,HH,Chprov,memChprov,correctionHue,correctlum);
#endif
if(fabs(correctionHue) < 0.015f) HH+=correctlum; // correct only if correct Munsell chroma very little.
lnew->a[i][j]=327.68f*Chprov*cos(HH+correctionHue);// apply Munsell
lnew->b[i][j]=327.68f*Chprov*sin(HH+correctionHue);
}
}
else {
// if(Lprov1 > maxlp) maxlp=Lprov1;
// if(Lprov1 < minlp) minlp=Lprov1;
lnew->L[i][j]=Lprov1*327.68f;
//Luv limiter only
lnew->a[i][j] = atmp;
lnew->b[i][j] = btmp;
}
}
} // end of parallelization
}
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
#ifdef _DEBUG
if (settings->verbose) {
t3e.set();
printf("Color::AllMunsellLch (correction performed in %d usec):\n", t3e.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
delete [] Lold;
delete [] Cold;
if (chutili) delete chCurve;
}
//#include "cubic.cc"
@@ -920,7 +1168,7 @@ fclose(f);*/
else
return 0.0;
}
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
}