For some reason improcfun.cc didn't get merged.
This commit is contained in:
Emil Martinec
@@ -32,6 +32,7 @@
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#include <imagesource.h>
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#include <rtthumbnail.h>
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#include <utils.h>
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#include <iccmatrices.h>
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#ifdef _OPENMP
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#include <omp.h>
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@@ -62,70 +63,46 @@ using namespace procparams;
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#define CLIPS(a) ((a)>-32768?((a)<32767?(a):32767):-32768)
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#define CLIPC(a) ((a)>-32000?((a)<32000?(a):32000):-32000)
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#define CLIPTO(a,b,c) ((a)>(b)?((a)<(c)?(a):(c)):(b))
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#define CLIP2(a) ((a)<MAXVAL ? a : MAXVAL )
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#define FCLIP(a) ((a)>0.0?((a)<65535.5?(a):65535.5):0.0)
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#define D50x 0.96422
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#define D50z 0.82521
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#define u0 4.0*D50x/(D50x+15+3*D50z)
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#define v0 9.0/(D50x+15+3*D50z)
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#define eps_max 580.40756 //(MAXVAL* 216.0f/24389.0);
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#define kappa 903.29630 //24389.0/27.0;
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extern const Settings* settings;
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int* ImProcFunctions::cacheL = 0;
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int* ImProcFunctions::cachea = 0;
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int* ImProcFunctions::cacheb = 0;
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int* ImProcFunctions::xcache = 0;
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int* ImProcFunctions::ycache = 0;
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int* ImProcFunctions::zcache = 0;
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unsigned short* ImProcFunctions::gamma2curve = 0;
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LUTf ImProcFunctions::cachef ;
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LUTf ImProcFunctions::gamma2curve = 0;
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void ImProcFunctions::initCache () {
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const int maxindex = 2*65536;
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cacheL = new int[maxindex];
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cachea = new int[maxindex];
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cacheb = new int[maxindex];
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gamma2curve = new unsigned short[65536];
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int maxindex = 65536;
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cachef(maxindex,0/*LUT_CLIP_BELOW*/);
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int threshold = (int)(0.008856*CMAXVAL);
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for (int i=0; i<maxindex; i++)
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if (i>threshold) {
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cacheL[i] = (int)round(655.35 * (116.0 * exp(1.0/3.0 * log((double)i / CMAXVAL)) - 16.0));
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cachea[i] = (int)round(32768.0 * 500.0 * exp(1.0/3.0 * log((double)i / CMAXVAL)));
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cacheb[i] = (int)round(32768.0 * 200.0 * exp(1.0/3.0 * log((double)i / CMAXVAL)));
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gamma2curve(maxindex);
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for (int i=0; i<maxindex; i++) {
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if (i>eps_max) {
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cachef[i] = 327.68*( exp(1.0/3.0 * log((double)i / MAXVAL) ));
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}
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else {
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cacheL[i] = (int)round(9033.0 * (double)i / 1000.0); // assuming CMAXVAL = 65535
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cachea[i] = (int)round(32768.0 * 500.0 * (7.787*i/CMAXVAL+16.0/116.0));
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cacheb[i] = (int)round(32768.0 * 200.0 * (7.787*i/CMAXVAL+16.0/116.0));
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cachef[i] = 327.68*((kappa*i/MAXVAL+16.0)/116.0);
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}
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}
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double fY;
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ycache = new int[0x10000];
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for (int i=0; i<0x10000; i++)
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ycache[i] = (int)round(65536.0 * ((fY=((double)i/655.35+16)/116) > 2.0689655172413793e-1 ? fY*fY*fY : 1.107056459879453852e-3*(double)i/655.35));
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for (int i=0; i<0x10000; i++)
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ycache[i] = CLIP(ycache[i]);
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xcache = new int[369621];
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for (int i=-141556; i<228064; i++)
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xcache[i+141556] = (int)round(65536.0 * (i > 15728 ? ((double)i/76021)*((double)i/76021)*((double)i/76021)*0.96422 : (1.2841854934601665e-1*(double)i/76021-1.7712903358071262e-2)*0.96422));
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for (int i=0; i<369620; i++)
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xcache[i] = CLIP(xcache[i]);
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zcache = new int[825747];
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for (int i=-369619; i<456128; i++)
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zcache[i+369619] = (int)round(65536.0 * (i > 15728 ? ((double)i/76021)*((double)i/76021)*((double)i/76021)*0.82521 : (1.2841854934601665e-1*(double)i/76021-1.7712903358071262e-2)*0.82521));
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for (int i=0; i<825747; i++)
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zcache[i] = CLIP(zcache[i]);
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for (int i=0; i<65536; i++) {
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int g = (int)(CurveFactory::gamma2(i/65535.0) * 65535.0);
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gamma2curve[i] = CLIP(g);
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for (int i=0; i<maxindex; i++) {
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gamma2curve[i] = (CurveFactory::gamma2(i/65535.0) * 65535.0);
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}
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}
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void ImProcFunctions::cleanupCache () {
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delete [] cacheL;
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delete [] cachea;
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delete [] cacheb;
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delete [] xcache;
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delete [] ycache;
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delete [] zcache;
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delete [] gamma2curve;
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}
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ImProcFunctions::~ImProcFunctions () {
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@@ -138,25 +115,16 @@ void ImProcFunctions::setScale (double iscale) {
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scale = iscale;
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}
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void ImProcFunctions::firstAnalysis_ (Image16* original, const TMatrix &wprof, unsigned int* histogram, int* chroma_radius, int row_from, int row_to) {
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// Called from several threads
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void ImProcFunctions::firstAnalysisThread (Imagefloat* original, Glib::ustring wprofile, unsigned int* histogram, int row_from, int row_to) {
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int toxyz[3][3];
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toxyz[0][0] = round(32768.0 * wprof[0][0] / 0.96422);
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toxyz[1][0] = round(32768.0 * wprof[1][0] / 0.96422);
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toxyz[2][0] = round(32768.0 * wprof[2][0] / 0.96422);
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toxyz[0][1] = round(32768.0 * wprof[0][1]);
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toxyz[1][1] = round(32768.0 * wprof[1][1]);
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toxyz[2][1] = round(32768.0 * wprof[2][1]);
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toxyz[0][2] = round(32768.0 * wprof[0][2] / 0.82521);
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toxyz[1][2] = round(32768.0 * wprof[1][2] / 0.82521);
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toxyz[2][2] = round(32768.0 * wprof[2][2] / 0.82521);
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TMatrix wprof = iccStore->workingSpaceMatrix (wprofile);
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lumimul[0] = wprof[0][1];
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lumimul[0] = wprof[1][0];
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lumimul[1] = wprof[1][1];
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lumimul[2] = wprof[2][1];
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lumimul[2] = wprof[1][2];
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int W = original->width;
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int cradius = 1;
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for (int i=row_from; i<row_to; i++) {
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for (int j=0; j<W; j++) {
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@@ -164,58 +132,38 @@ void ImProcFunctions::firstAnalysis_ (Image16* original, const TMatrix &wprof, u
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int g = original->g[i][j];
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int b = original->b[i][j];
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int x = (toxyz[0][0] * r + toxyz[1][0] * g + toxyz[2][0] * b) >> 15;
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int y = (toxyz[0][1] * r + toxyz[1][1] * g + toxyz[2][1] * b) >> 15;
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int z = (toxyz[0][2] * r + toxyz[1][2] * g + toxyz[2][2] * b) >> 15;
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x = CLIPTO(x,0,2*65536-1);
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y = CLIPTO(y,0,2*65536-1);
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z = CLIPTO(z,0,2*65536-1);
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int oa = cachea[x] - cachea[y];
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int ob = cacheb[y] - cacheb[z];
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if (oa<0) oa = -oa;
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if (ob<0) ob = -ob;
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if (oa > cradius)
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cradius = oa;
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if (ob > cradius)
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cradius = ob;
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int y = CLIP((int)(lumimul[0] * r + lumimul[1] * g + lumimul[2] * b)) ;
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if (histogram) {
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int hval = CLIP(y); //(306 * original->r[i][j] + 601 * original->g[i][j] + 117 * original->b[i][j]) >> 10;
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histogram[hval]++;
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histogram[y]++;
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}
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}
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}
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*chroma_radius = cradius;
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}
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void ImProcFunctions::firstAnalysis (Image16* original, const ProcParams* params, unsigned int* histogram, double gamma) {
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void ImProcFunctions::firstAnalysis (Imagefloat* original, const ProcParams* params, LUTu & histogram, double gamma) {
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// set up monitor transform
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TMatrix wprof = iccStore->workingSpaceMatrix (params->icm.working);
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Glib::ustring wprofile = params->icm.working;
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if (monitorTransform)
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cmsDeleteTransform (monitorTransform);
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monitorTransform = NULL;
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Glib::ustring monitorProfile=settings->monitorProfile;
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if (settings->autoMonitorProfile) monitorProfile=iccStore->defaultMonitorProfile;
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//if (settings->verbose) printf("Using monitor profile: %s\n", monitorProfile.c_str());
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cmsHPROFILE monitor = iccStore->getProfile ("file:"+monitorProfile);
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if (monitor) {
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cmsHPROFILE iprof = iccStore->getXYZProfile ();
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cmsHPROFILE oprof = iccStore->getProfile (params->icm.output);
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if (!oprof)
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oprof = iccStore->getsRGBProfile ();
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lcmsMutex->lock ();
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monitorTransform = cmsCreateTransform (iprof, TYPE_RGB_16, monitor, TYPE_RGB_8, settings->colorimetricIntent, 0);
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monitorTransform = cmsCreateTransform (iprof, TYPE_RGB_FLT, monitor, TYPE_RGB_8, settings->colorimetricIntent,
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settings->LCMSSafeMode ? cmsFLAGS_NOOPTIMIZE : cmsFLAGS_NOOPTIMIZE | cmsFLAGS_NOCACHE ); // NOCACHE is important for thread safety
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lcmsMutex->unlock ();
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}
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// calculate chroma radius and histogram of the y channel needed for exposure curve calculation
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//chroma_scale = 1;
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// calculate histogram of the y channel needed for contrast curve calculation in exposure adjustments
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#ifdef _OPENMP
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int T = omp_get_max_threads();
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@@ -223,10 +171,8 @@ void ImProcFunctions::firstAnalysis (Image16* original, const ProcParams* params
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int T = 1;
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#endif
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int* cr = new int [T];
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unsigned int** hist = new unsigned int* [T];
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for (int i=0; i<T; i++) {
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cr[i] = 0;
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hist[i] = new unsigned int[65536];
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memset (hist[i], 0, 65536*sizeof(int));
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}
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@@ -240,33 +186,27 @@ void ImProcFunctions::firstAnalysis (Image16* original, const ProcParams* params
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int blk = H/nthreads;
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if (tid<nthreads-1)
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firstAnalysis_ (original, wprof, hist[tid], &cr[tid], tid*blk, (tid+1)*blk);
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firstAnalysisThread (original, wprofile, hist[tid], tid*blk, (tid+1)*blk);
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else
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firstAnalysis_ (original, wprof, hist[tid], &cr[tid], tid*blk, H);
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firstAnalysisThread (original, wprofile, hist[tid], tid*blk, H);
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}
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#else
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firstAnalysis_ (original, wprof, hist[0], &cr[0], 0, original->height);
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firstAnalysisThread (original, wprofile, hist[0], 0, original->height);
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#endif
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chroma_radius = cr[0];
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for (int i=0; i<T; i++)
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if (cr[i]>chroma_radius)
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chroma_radius = cr[i];
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memset (histogram, 0, 65536*sizeof(int));
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histogram.clear();
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for (int i=0; i<65536; i++)
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for (int j=0; j<T; j++)
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histogram[i] += hist[j][i];
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chroma_scale = 32768*32768 / (3*chroma_radius);
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//printf ("chroma_radius= %d chroma_scale= %d\n",chroma_radius,chroma_scale);
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delete [] cr;
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for (int i=0; i<T; i++)
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delete [] hist[i];
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delete [] hist;
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}
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void ImProcFunctions::rgbProc (Image16* working, LabImage* lab, float* hltonecurve, float* shtonecurve, int* tonecurve, SHMap* shmap, /*float defmul,*/ int sat) {
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// Process RGB image and convert to LAB space
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void ImProcFunctions::rgbProc (Imagefloat* working, LabImage* lab, LUTf & hltonecurve, LUTf & shtonecurve, LUTf & tonecurve, SHMap* shmap, int sat) {
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int h_th, s_th;
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if (shmap) {
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@@ -279,38 +219,39 @@ void ImProcFunctions::rgbProc (Image16* working, LabImage* lab, float* hltonecur
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double lceamount = params->sh.localcontrast / 200.0;
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TMatrix wprof = iccStore->workingSpaceMatrix (params->icm.working);
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int toxyz[3][3] = {
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float toxyz[3][3] = {
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{
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floor(32768.0 * wprof[0][0] / 0.96422),
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floor(32768.0 * wprof[0][1]),
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floor(32768.0 * wprof[0][2] / 0.82521)
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( wprof[0][0] / D50x),
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( wprof[0][1] / D50x),
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( wprof[0][2] / D50x)
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},{
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floor(32768.0 * wprof[1][0] / 0.96422),
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floor(32768.0 * wprof[1][1]),
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floor(32768.0 * wprof[1][2] / 0.82521)
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( wprof[1][0] ),
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( wprof[1][1] ),
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( wprof[1][2] )
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},{
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floor(32768.0 * wprof[2][0] / 0.96422),
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floor(32768.0 * wprof[2][1]),
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floor(32768.0 * wprof[2][2] / 0.82521)
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( wprof[2][0] / D50z),
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( wprof[2][1] / D50z),
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( wprof[2][2] / D50z)
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}
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};
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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;
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int mapval;
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double factor;
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bool mixchannels = (params->chmixer.red[0]!=100 || params->chmixer.red[1]!=0 || params->chmixer.red[2]!=0 || \
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params->chmixer.green[0]!=0 || params->chmixer.green[1]!=100 || params->chmixer.green[2]!=0 || \
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params->chmixer.blue[0]!=0 || params->chmixer.blue[1]!=0 || params->chmixer.blue[2]!=100);
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int tW = working->width;
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int tH = working->height;
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int r, g, b;
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float h, s, v;
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double pi = M_PI;
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FlatCurve* hCurve;
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FlatCurve* sCurve;
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FlatCurve* vCurve;
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float* cossq = new float [8093];
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for (int i=0; i<8093; i++)
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cossq[i] = SQR(cos(pi*(float)i/16384));
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float* cossq = new float [8192];
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for (int i=0; i<8192; i++)
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cossq[i] = SQR(cos(pi*(float)i/16384.0));
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FlatCurveType hCurveType = (FlatCurveType)params->hsvequalizer.hcurve.at(0);
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FlatCurveType sCurveType = (FlatCurveType)params->hsvequalizer.scurve.at(0);
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@@ -324,27 +265,33 @@ void ImProcFunctions::rgbProc (Image16* working, LabImage* lab, float* hltonecur
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if (sCurveEnabled) sCurve = new FlatCurve(params->hsvequalizer.scurve);
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if (vCurveEnabled) vCurve = new FlatCurve(params->hsvequalizer.vcurve);
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#pragma omp parallel for private(r, g, b,factor,mapval,h,s,v) if (multiThread)
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const float exp_scale = pow (2.0, params->toneCurve.expcomp);
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const float comp = (params->toneCurve.expcomp + 1.0)*params->toneCurve.hlcompr/100.0;
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const float shoulder = ((65536.0/exp_scale)*(params->toneCurve.hlcomprthresh/200.0))+0.1;
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const float hlrange = 65536.0-shoulder;
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#pragma omp parallel for if (multiThread)
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for (int i=0; i<tH; i++) {
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for (int j=0; j<tW; j++) {
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r = working->r[i][j];
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g = working->g[i][j];
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b = working->b[i][j];
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float r = working->r[i][j];
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float g = working->g[i][j];
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float b = working->b[i][j];
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//if (i==100 & j==100) printf("rgbProc input R= %f G= %f B= %f \n",r,g,b);
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if (mixchannels) {
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int newr = (r*params->chmixer.red[0] + g*params->chmixer.red[1] + b*params->chmixer.red[2]) / 100;
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int newg = (r*params->chmixer.green[0] + g*params->chmixer.green[1] + b*params->chmixer.green[2]) / 100;
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int newb = (r*params->chmixer.blue[0] + g*params->chmixer.blue[1] + b*params->chmixer.blue[2]) / 100;
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r = CLIP(newr);
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g = CLIP(newg);
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b = CLIP(newb);
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r = (r*params->chmixer.red[0] + g*params->chmixer.red[1] + b*params->chmixer.red[2]) / 100;
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g = (r*params->chmixer.green[0] + g*params->chmixer.green[1] + b*params->chmixer.green[2]) / 100;
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b = (r*params->chmixer.blue[0] + g*params->chmixer.blue[1] + b*params->chmixer.blue[2]) / 100;
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}
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if (processSH || processLCE) {
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mapval = shmap->map[i][j];
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factor = 1.0;
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double mapval = 1.0 + shmap->map[i][j];
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double factor = 1.0;
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if (processSH) {
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if (mapval > h_th)
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@@ -354,37 +301,41 @@ void ImProcFunctions::rgbProc (Image16* working, LabImage* lab, float* hltonecur
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}
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if (processLCE) {
|
||||
double sub = lceamount*(mapval-factor*(r*lumimul[0] + g*lumimul[1] + b*lumimul[2]));
|
||||
r = CLIP((int)(factor*r-sub));
|
||||
g = CLIP((int)(factor*g-sub));
|
||||
b = CLIP((int)(factor*b-sub));
|
||||
r = CLIP(factor*r-sub);
|
||||
g = CLIP(factor*g-sub);
|
||||
b = CLIP(factor*b-sub);
|
||||
}
|
||||
else {
|
||||
r = CLIP((int)(factor*r));
|
||||
g = CLIP((int)(factor*g));
|
||||
b = CLIP((int)(factor*b));
|
||||
r = CLIP(factor*r);
|
||||
g = CLIP(factor*g);
|
||||
b = CLIP(factor*b);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
float tonefactor=(hltonecurve[r]+hltonecurve[g]+hltonecurve[b])/3;
|
||||
//TODO: proper treatment of out-of-gamut colors
|
||||
//float tonefactor = hltonecurve[(0.299f*r+0.587f*g+0.114f*b)];
|
||||
float tonefactor=((r<MAXVAL ? hltonecurve[r] : CurveFactory::hlcurve (exp_scale, comp, hlrange, r) ) + \
|
||||
(g<MAXVAL ? hltonecurve[g] : CurveFactory::hlcurve (exp_scale, comp, hlrange, g) ) + \
|
||||
(r<MAXVAL ? hltonecurve[b] : CurveFactory::hlcurve (exp_scale, comp, hlrange, b) ) )/3.0;
|
||||
|
||||
r = (r*tonefactor);
|
||||
g = (g*tonefactor);
|
||||
b = (b*tonefactor);
|
||||
|
||||
//shadow tone curve
|
||||
int Y = CLIP((int)(0.299*r + 0.587*g + 0.114*b));
|
||||
tonefactor = (Y>0 ? (float)shtonecurve[Y]/Y : 1);
|
||||
float Y = (0.299*r + 0.587*g + 0.114*b);
|
||||
tonefactor = shtonecurve[Y];
|
||||
r *= tonefactor;
|
||||
g *= tonefactor;
|
||||
b *= tonefactor;
|
||||
|
||||
//brightness/contrast and user tone curve
|
||||
r = tonecurve[CLIP(r)];
|
||||
g = tonecurve[CLIP(g)];
|
||||
b = tonecurve[CLIP(b)];
|
||||
r = tonecurve[r];
|
||||
g = tonecurve[g];
|
||||
b = tonecurve[b];
|
||||
|
||||
if (abs(sat)>0.5 || hCurveEnabled || sCurveEnabled || vCurveEnabled) {
|
||||
float h,s,v;
|
||||
rgb2hsv(r,g,b,h,s,v);
|
||||
if (sat > 0.5) {
|
||||
s = (1-(float)sat/100)*s+(float)sat/100*(1-SQR(SQR(1-s)));
|
||||
@@ -435,21 +386,46 @@ void ImProcFunctions::rgbProc (Image16* working, LabImage* lab, float* hltonecur
|
||||
}
|
||||
hsv2rgb(h,s,v,r,g,b);
|
||||
}
|
||||
//hsv2rgb(h,s,v,r,g,b);
|
||||
|
||||
//r=FCLIP(r);
|
||||
//g=FCLIP(g);
|
||||
//b=FCLIP(b);
|
||||
|
||||
int x = (toxyz[0][0] * r + toxyz[1][0] * g + toxyz[2][0] * b) >> 15;
|
||||
int y = (toxyz[0][1] * r + toxyz[1][1] * g + toxyz[2][1] * b) >> 15;
|
||||
int z = (toxyz[0][2] * r + toxyz[1][2] * g + toxyz[2][2] * b) >> 15;
|
||||
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) ;
|
||||
|
||||
x = CLIPTO(x,0,2*65536-1);
|
||||
y = CLIPTO(y,0,2*65536-1);
|
||||
z = CLIPTO(z,0,2*65536-1);
|
||||
/*lab->L[i][j] = CLIP2(116.0 * (CurveFactory::flinterp(cachef,y)) - 5242.88); //5242.88=16.0*327.68;
|
||||
lab->a[i][j] = CLIPS(500.0 * (((CurveFactory::flinterp(cachef,x) - CurveFactory::flinterp(cachef,y)) ) ));
|
||||
lab->b[i][j] = CLIPS(200.0 * (((CurveFactory::flinterp(cachef,y) - CurveFactory::flinterp(cachef,z)) ) ));*/
|
||||
|
||||
x = (x<65535.0 ? cachef[x] : (327.68*exp(log(x/MAXVAL)/3.0 )));
|
||||
y = (y<65535.0 ? cachef[y] : (327.68*exp(log(y/MAXVAL)/3.0 )));
|
||||
z = (z<65535.0 ? cachef[z] : (327.68*exp(log(z/MAXVAL)/3.0 )));
|
||||
|
||||
lab->L[i][j] = (116.0 * y - 5242.88); //5242.88=16.0*327.68;
|
||||
lab->a[i][j] = (500.0 * (x - y) );
|
||||
lab->b[i][j] = (200.0 * (y - z) );
|
||||
|
||||
//float L1 = lab->L[i][j];//for testing
|
||||
//float a1 = lab->a[i][j];
|
||||
//float b1 = lab->b[i][j];
|
||||
//float xxx=1;
|
||||
|
||||
//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)*D50x;
|
||||
float y_ = 65535*Lab2xyz(fy);
|
||||
float z_ = 65535*Lab2xyz(fz)*D50z;
|
||||
|
||||
int R,G,B;
|
||||
xyz2srgb(x_,y_,z_,R,G,B);
|
||||
r=(float)R; g=(float)G; b=(float)B;
|
||||
float xxx=1;*/
|
||||
|
||||
int L = cacheL[y];
|
||||
lab->L[i][j] = L;
|
||||
lab->a[i][j] = CLIPC(((cachea[x] - cachea[y]) * chroma_scale) >> 15);
|
||||
lab->b[i][j] = CLIPC(((cacheb[y] - cacheb[z]) * chroma_scale) >> 15);
|
||||
}
|
||||
}
|
||||
|
||||
@@ -457,71 +433,128 @@ void ImProcFunctions::rgbProc (Image16* working, LabImage* lab, float* hltonecur
|
||||
if (sCurveEnabled) delete sCurve;
|
||||
if (vCurveEnabled) delete vCurve;
|
||||
delete [] cossq;
|
||||
//delete [] my_tonecurve;
|
||||
}
|
||||
|
||||
void ImProcFunctions::luminanceCurve (LabImage* lold, LabImage* lnew, int* curve) {
|
||||
void ImProcFunctions::luminanceCurve (LabImage* lold, LabImage* lnew, LUTf & curve) {
|
||||
|
||||
int W = lold->W;
|
||||
int H = lold->H;
|
||||
for (int i=0; i<H; i++)
|
||||
for (int j=0; j<W; j++)
|
||||
lnew->L[i][j] = curve[lold->L[i][j]];
|
||||
for (int j=0; j<W; j++) {
|
||||
float Lin=lold->L[i][j];
|
||||
//if (Lin>0 && Lin<65535)
|
||||
lnew->L[i][j] = curve[Lin];
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void ImProcFunctions::chrominanceCurve (LabImage* lold, LabImage* lnew, float* acurve, float* bcurve) {
|
||||
void ImProcFunctions::chrominanceCurve (LabImage* lold, LabImage* lnew, LUTf & acurve, LUTf & bcurve, LUTf & satcurve/*, double sat*/) {
|
||||
|
||||
int W = lold->W;
|
||||
int H = lold->H;
|
||||
|
||||
/*for (int i=0; i<H; i++)
|
||||
for (int j=0; j<W; j++) {
|
||||
lnew->a[i][j] = acurve[lold->a[i][j]+32768]-32768;
|
||||
lnew->b[i][j] = bcurve[lold->b[i][j]+32768]-32768;
|
||||
float ain=lold->a[i][j];
|
||||
float bin=lold->b[i][j];
|
||||
//if (fabs(ain)<32767 && fabs(bin)<32767)
|
||||
lnew->a[i][j] = acurve[ain+32768.0f]-32768.0;
|
||||
lnew->b[i][j] = bcurve[bin+32768.0f]-32768.0;
|
||||
}*/
|
||||
|
||||
|
||||
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||||
|
||||
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]}};
|
||||
|
||||
#pragma omp parallel for if (multiThread)
|
||||
for (int i=0; i<H; i++)
|
||||
for (int j=0; j<W; j++) {
|
||||
|
||||
int oa = lold->a[i][j];
|
||||
int ob = lold->b[i][j];
|
||||
float atmp = acurve[lold->a[i][j]+32768.0f]-32768.0f;
|
||||
float btmp = bcurve[lold->b[i][j]+32768.0f]-32768.0f;
|
||||
|
||||
float atmp = acurve[oa+32768]-32768;
|
||||
float btmp = bcurve[ob+32768]-32768;
|
||||
|
||||
double real_c = 1.0;
|
||||
if (params->labCurve.avoidclip) {
|
||||
double Lclip = MIN(lnew->L[i][j]/655.35,100.0);
|
||||
double cr = tightestroot (Lclip, (double)atmp/chroma_scale, (double)btmp/chroma_scale, 3.079935, -1.5371515, -0.54278342);
|
||||
double cg = tightestroot (Lclip, (double)atmp/chroma_scale, (double)btmp/chroma_scale, -0.92123418, 1.87599, 0.04524418);
|
||||
double cb = tightestroot (Lclip, (double)atmp/chroma_scale, (double)btmp/chroma_scale, 0.052889682, -0.20404134, 1.15115166);
|
||||
if (cr>0 && cr<real_c) real_c = cr;
|
||||
if (cg>0 && cg<real_c) real_c = cg;
|
||||
if (cb>0 && cb<real_c) real_c = cb;
|
||||
//if (i%100==50 && j%100==50) printf ("(i,j)=(%d,%d) c= %f, rmax= %f \n", i, j, c, real_c);//diagnostic
|
||||
if (params->labCurve.saturation) {
|
||||
float chroma = sqrt(SQR(atmp)+SQR(btmp)+0.001);
|
||||
float satfactor = (satcurve[chroma+32768.0f]-32768.0f)/chroma;
|
||||
atmp *= satfactor;
|
||||
btmp *= satfactor;
|
||||
}
|
||||
|
||||
//double real_c = 1.0;
|
||||
if (params->labCurve.avoidclip) {
|
||||
//Luv limiter
|
||||
float Y,u,v;
|
||||
Lab2Yuv(lnew->L[i][j],atmp,btmp,Y,u,v);
|
||||
//Yuv2Lab includes gamut restriction map
|
||||
Yuv2Lab(Y,u,v,lnew->L[i][j],lnew->a[i][j],lnew->b[i][j], wp);
|
||||
|
||||
//Gabor's limiter -- needs adapting to float branch
|
||||
/*double Lclip = MIN(lnew->L[i][j]/655.35,100.0);
|
||||
double cr = tightestroot (Lclip, (double)atmp, (double)btmp, 3.079935, -1.5371515, -0.54278342);
|
||||
double cg = tightestroot (Lclip, (double)atmp, (double)btmp, -0.92123418, 1.87599, 0.04524418);
|
||||
double cb = tightestroot (Lclip, (double)atmp, (double)btmp, 0.052889682, -0.20404134, 1.15115166);
|
||||
if (cr>0 && cr<real_c) real_c = cr;
|
||||
if (cg>0 && cg<real_c) real_c = cg;
|
||||
if (cb>0 && cb<real_c) real_c = cb;*/
|
||||
//if (i%100==50 && j%100==50) printf ("(i,j)=(%d,%d) c= %f, rmax= %f \n", i, j, c, real_c);//diagnostic
|
||||
} else {
|
||||
//Luv limiter only
|
||||
lnew->a[i][j] = atmp;
|
||||
lnew->b[i][j] = btmp;
|
||||
}
|
||||
/*
|
||||
//Gabor again
|
||||
int nna = (int)((atmp) * real_c );
|
||||
int nnb = (int)((btmp) * real_c );
|
||||
lnew->a[i][j] = CLIPTO(nna,-32000,32000);
|
||||
lnew->b[i][j] = CLIPTO(nnb,-32000,32000);
|
||||
lnew->b[i][j] = CLIPTO(nnb,-32000,32000);*/
|
||||
}
|
||||
|
||||
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||||
/*
|
||||
float slope = (sat>0) ? (125.0+sat)/(125.0-sat) : (1+sat/100.0);
|
||||
|
||||
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]}};
|
||||
|
||||
int W = lold->W;
|
||||
int H = lold->H;
|
||||
for (int i=0; i<H; i++)
|
||||
for (int j=0; j<W; j++) {
|
||||
float Y, u, v;
|
||||
float ain = acurve[lold->a[i][j]+32768.0f]-32768.0;
|
||||
float bin = bcurve[lold->b[i][j]+32768.0f]-32768.0;
|
||||
Lab2Yuv(lold->L[i][j],ain,bin,Y,u,v);
|
||||
u *= slope;
|
||||
v *= slope;
|
||||
Yuv2Lab(Y,u,v,lnew->L[i][j],lnew->a[i][j],lnew->b[i][j], wp);
|
||||
//float ain=lold->a[i][j];
|
||||
//float bin=lold->b[i][j];
|
||||
//if (fabs(ain)<32767 && fabs(bin)<32767)
|
||||
//lnew->a[i][j] = acurve[ain+32768.0f]-32768.0;
|
||||
//lnew->b[i][j] = bcurve[bin+32768.0f]-32768.0;
|
||||
}*/
|
||||
}
|
||||
|
||||
|
||||
#include "cubic.cc"
|
||||
|
||||
void ImProcFunctions::colorCurve (LabImage* lold, LabImage* lnew) {
|
||||
|
||||
/*double* cmultiplier = new double [181021];
|
||||
/* LUT<double> cmultiplier(181021);
|
||||
|
||||
double boost_a = (params->colorBoost.amount + 100.0) / 100.0;
|
||||
double boost_b = (params->colorBoost.amount + 100.0) / 100.0;
|
||||
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) {
|
||||
@@ -535,14 +568,14 @@ void ImProcFunctions::colorCurve (LabImage* lold, LabImage* lnew) {
|
||||
amul = boost_a / boost_b;
|
||||
}
|
||||
|
||||
if (params->colorBoost.enable_saturationlimiter && c>1) {
|
||||
if (params->colorBoost.enable_saturationlimiter && c>1.0) {
|
||||
// re-generate color multiplier lookup table
|
||||
double d = params->colorBoost.saturationlimit * chroma_scale / 3.0;
|
||||
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;
|
||||
double chrominance = (double)i/4.0;
|
||||
if (chrominance < threshold1)
|
||||
cmultiplier[i] = c;
|
||||
else if (chrominance < d)
|
||||
@@ -555,10 +588,10 @@ void ImProcFunctions::colorCurve (LabImage* lold, LabImage* lnew) {
|
||||
}
|
||||
|
||||
float eps = 0.001;
|
||||
double shift_a = params->colorShift.a * chroma_scale + eps, shift_b = params->colorShift.b * chroma_scale + eps;
|
||||
double shift_a = params->colorShift.a + eps, shift_b = params->colorShift.b + eps;
|
||||
|
||||
short** oa = lold->a;
|
||||
short** ob = lold->b;
|
||||
float** oa = lold->a;
|
||||
float** ob = lold->b;
|
||||
|
||||
#pragma omp parallel for if (multiThread)
|
||||
for (int i=0; i<lold->H; i++)
|
||||
@@ -566,40 +599,40 @@ void ImProcFunctions::colorCurve (LabImage* lold, LabImage* lnew) {
|
||||
|
||||
double wanted_c = c;
|
||||
if (params->colorBoost.enable_saturationlimiter && c>1) {
|
||||
int chroma = (int)(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 [MIN(chroma,181020)];
|
||||
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;
|
||||
double cr = tightestroot ((double)lnew->L[i][j]/655.35, (double)(oa[i][j]+shift_a)/chroma_scale*amul, (double)(ob[i][j]+shift_b)/chroma_scale*bmul, 3.079935, -1.5371515, -0.54278342);
|
||||
double cg = tightestroot ((double)lnew->L[i][j]/655.35, (double)(oa[i][j]+shift_a)/chroma_scale*amul, (double)(ob[i][j]+shift_b)/chroma_scale*bmul, -0.92123418, 1.87599, 0.04524418);
|
||||
double cb = tightestroot ((double)lnew->L[i][j]/655.35, (double)(oa[i][j]+shift_a)/chroma_scale*amul, (double)(ob[i][j]+shift_b)/chroma_scale*bmul, 0.052889682, -0.20404134, 1.15115166);
|
||||
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) {
|
||||
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;
|
||||
}
|
||||
}
|
||||
|
||||
int nna = (int)((oa[i][j]+shift_a) * real_c * amul);
|
||||
int nnb = (int)((ob[i][j]+shift_b) * real_c * bmul);
|
||||
lnew->a[i][j] = CLIPTO(nna,-32000,32000);
|
||||
lnew->b[i][j] = CLIPTO(nnb,-32000,32000);
|
||||
float nna = ((oa[i][j]+shift_a) * real_c * amul);
|
||||
float nnb = ((ob[i][j]+shift_b) * real_c * bmul);
|
||||
lnew->a[i][j] = CLIPTO(nna,-32000.0f,32000.0f);
|
||||
lnew->b[i][j] = CLIPTO(nnb,-32000.0f,32000.0f);
|
||||
}
|
||||
|
||||
delete [] cmultiplier;*/
|
||||
*/
|
||||
//delete [] cmultiplier;
|
||||
}
|
||||
|
||||
void ImProcFunctions::impulsedenoise (LabImage* lab) {
|
||||
|
||||
if (params->impulseDenoise.enabled && lab->W>=8 && lab->H>=8)
|
||||
|
||||
impulse_nr (lab->L, lab->L, lab->W, lab->H, (float)params->impulseDenoise.thresh/20.0 );
|
||||
impulse_nr (lab, (float)params->impulseDenoise.thresh/20.0 );
|
||||
}
|
||||
|
||||
void ImProcFunctions::defringe (LabImage* lab) {
|
||||
@@ -613,7 +646,7 @@ void ImProcFunctions::colorCurve (LabImage* lold, LabImage* lnew) {
|
||||
|
||||
if (params->dirpyrDenoise.enabled && lab->W>=8 && lab->H>=8)
|
||||
|
||||
dirpyrLab_denoise(lab, lab, params->dirpyrDenoise.luma, params->dirpyrDenoise.chroma, params->dirpyrDenoise.gamma/3.0 );
|
||||
dirpyrLab_denoise(lab, lab, params->dirpyrDenoise );
|
||||
}
|
||||
|
||||
void ImProcFunctions::dirpyrequalizer (LabImage* lab) {
|
||||
@@ -628,35 +661,32 @@ void ImProcFunctions::colorCurve (LabImage* lold, LabImage* lnew) {
|
||||
|
||||
void ImProcFunctions::lumadenoise (LabImage* lab, int** b2) {
|
||||
|
||||
/*if (params->lumaDenoise.enabled && lab->W>=8 && lab->H>=8)
|
||||
if (params->lumaDenoise.enabled && lab->W>=8 && lab->H>=8)
|
||||
#ifdef _OPENMP
|
||||
#pragma omp parallel
|
||||
#endif
|
||||
bilateral<unsigned short, unsigned int> (lab->L, lab->L, (unsigned short**)b2, lab->W, lab->H, \
|
||||
params->lumaDenoise.radius / scale, params->lumaDenoise.edgetolerance, multiThread);
|
||||
*/
|
||||
bilateral<float, float> (lab->L, lab->L, (float**)b2, lab->W, lab->H, params->lumaDenoise.radius / scale, params->lumaDenoise.edgetolerance, multiThread);
|
||||
}
|
||||
|
||||
void ImProcFunctions::colordenoise (LabImage* lab, int** b2) {
|
||||
/*
|
||||
|
||||
if (params->colorDenoise.enabled && lab->W>=8 && lab->H>=8) {
|
||||
#ifdef _OPENMP
|
||||
#pragma omp parallel
|
||||
#endif
|
||||
{
|
||||
AlignedBuffer<double>* buffer = new AlignedBuffer<double> (MAX(lab->W,lab->H));
|
||||
gaussHorizontal<short> (lab->a, lab->a, buffer, lab->W, lab->H, params->colorDenoise.amount / 10.0 / scale, multiThread);
|
||||
gaussHorizontal<short> (lab->b, lab->b, buffer, lab->W, lab->H, params->colorDenoise.amount / 10.0 / scale, multiThread);
|
||||
gaussVertical<short> (lab->a, lab->a, buffer, lab->W, lab->H, params->colorDenoise.amount / 10.0 / scale, multiThread);
|
||||
gaussVertical<short> (lab->b, lab->b, buffer, lab->W, lab->H, params->colorDenoise.amount / 10.0 / scale, multiThread);
|
||||
gaussHorizontal<float> (lab->a, lab->a, buffer, lab->W, lab->H, params->colorDenoise.amount / 10.0 / scale, multiThread);
|
||||
gaussHorizontal<float> (lab->b, lab->b, buffer, lab->W, lab->H, params->colorDenoise.amount / 10.0 / scale, multiThread);
|
||||
gaussVertical<float> (lab->a, lab->a, buffer, lab->W, lab->H, params->colorDenoise.amount / 10.0 / scale, multiThread);
|
||||
gaussVertical<float> (lab->b, lab->b, buffer, lab->W, lab->H, params->colorDenoise.amount / 10.0 / scale, multiThread);
|
||||
|
||||
delete buffer;
|
||||
}
|
||||
}
|
||||
*/
|
||||
}
|
||||
|
||||
void ImProcFunctions::getAutoExp (unsigned int* histogram, int histcompr, double expcomp, double clip, double& br, int& bl) {
|
||||
void ImProcFunctions::getAutoExp (LUTu & histogram, int histcompr, double expcomp, double clip, double& br, int& bl) {
|
||||
|
||||
double sum = 0;
|
||||
for (int i=0; i<65536>>histcompr; i++)
|
||||
@@ -703,11 +733,13 @@ void ImProcFunctions::getAutoExp (unsigned int* histogram, int histcompr, doubl
|
||||
awg = CurveFactory::igamma2 ((float)(awg/65535.0)) * 65535.0; //need to inverse gamma transform to get correct exposure compensation parameter
|
||||
|
||||
bl = (int)((65535*bl)/awg);
|
||||
br = log(65535.0*corr / (awg)) / log(2.0);
|
||||
if (br<0) br = 0;
|
||||
if (br>10) br=10;
|
||||
br = log(65535.0 / (awg)) / log(2.0);
|
||||
if (br<0.0) br = 0.0;
|
||||
if (br>10.0) br=10.0;
|
||||
}
|
||||
|
||||
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||||
|
||||
#include "calc_distort.h"
|
||||
|
||||
double ImProcFunctions::getAutoDistor (const Glib::ustring &fname, int thumb_size) {
|
||||
@@ -725,6 +757,7 @@ double ImProcFunctions::getAutoDistor (const Glib::ustring &fname, int thumb_si
|
||||
delete thumb;
|
||||
return 0.0;
|
||||
}
|
||||
|
||||
if (h_thumb != h_raw) {
|
||||
delete thumb;
|
||||
delete raw;
|
||||
@@ -762,5 +795,174 @@ double ImProcFunctions::getAutoDistor (const Glib::ustring &fname, int thumb_si
|
||||
return 0.0;
|
||||
}
|
||||
|
||||
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||||
|
||||
void ImProcFunctions::rgb2hsv (float r, float g, float b, float &h, float &s, float &v) {
|
||||
|
||||
double var_R = r / 65535.0;
|
||||
double var_G = g / 65535.0;
|
||||
double var_B = b / 65535.0;
|
||||
|
||||
double var_Min = MIN(MIN(var_R,var_G),var_B);
|
||||
double var_Max = MAX(MAX(var_R,var_G),var_B);
|
||||
double del_Max = var_Max - var_Min;
|
||||
v = var_Max;
|
||||
if (fabs(del_Max)<0.00001) {
|
||||
h = 0;
|
||||
s = 0;
|
||||
}
|
||||
else {
|
||||
s = del_Max/var_Max;
|
||||
|
||||
if ( var_R == var_Max ) h = (var_G - var_B)/del_Max;
|
||||
else if ( var_G == var_Max ) h = 2.0 + (var_B - var_R)/del_Max;
|
||||
else if ( var_B == var_Max ) h = 4.0 + (var_R - var_G)/del_Max;
|
||||
h /= 6.0;
|
||||
|
||||
if ( h < 0 ) h += 1;
|
||||
if ( h > 1 ) h -= 1;
|
||||
}
|
||||
}
|
||||
|
||||
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||||
|
||||
void ImProcFunctions::hsv2rgb (float h, float s, float v, float &r, float &g, float &b) {
|
||||
|
||||
float h1 = h*6; // sector 0 to 5
|
||||
int i = floor( h1 );
|
||||
float f = h1 - i; // fractional part of h
|
||||
|
||||
float p = v * ( 1 - s );
|
||||
float q = v * ( 1 - s * f );
|
||||
float t = v * ( 1 - s * ( 1 - f ) );
|
||||
|
||||
float r1,g1,b1;
|
||||
|
||||
if (i==0) {r1 = v; g1 = t; b1 = p;}
|
||||
if (i==1) {r1 = q; g1 = v; b1 = p;}
|
||||
if (i==2) {r1 = p; g1 = v; b1 = t;}
|
||||
if (i==3) {r1 = p; g1 = q; b1 = v;}
|
||||
if (i==4) {r1 = t; g1 = p; b1 = v;}
|
||||
if (i==5) {r1 = v; g1 = p; b1 = q;}
|
||||
|
||||
r = ((r1)*65535.0);
|
||||
g = ((g1)*65535.0);
|
||||
b = ((b1)*65535.0);
|
||||
}
|
||||
|
||||
void ImProcFunctions::xyz2srgb (float x, float y, float z, float &r, float &g, float &b) {
|
||||
|
||||
//Transform to output color. Standard sRGB is D65, but internal representation is D50
|
||||
//Note that it is only at this point that we should have need of clipping color data
|
||||
|
||||
/*float x65 = d65_d50[0][0]*x + d65_d50[0][1]*y + d65_d50[0][2]*z ;
|
||||
float y65 = d65_d50[1][0]*x + d65_d50[1][1]*y + d65_d50[1][2]*z ;
|
||||
float z65 = d65_d50[2][0]*x + d65_d50[2][1]*y + d65_d50[2][2]*z ;
|
||||
|
||||
r = sRGB_xyz[0][0]*x65 + sRGB_xyz[0][1]*y65 + sRGB_xyz[0][2]*z65;
|
||||
g = sRGB_xyz[1][0]*x65 + sRGB_xyz[1][1]*y65 + sRGB_xyz[1][2]*z65;
|
||||
b = sRGB_xyz[2][0]*x65 + sRGB_xyz[2][1]*y65 + sRGB_xyz[2][2]*z65;*/
|
||||
|
||||
/*r = sRGBd65_xyz[0][0]*x + sRGBd65_xyz[0][1]*y + sRGBd65_xyz[0][2]*z ;
|
||||
g = sRGBd65_xyz[1][0]*x + sRGBd65_xyz[1][1]*y + sRGBd65_xyz[1][2]*z ;
|
||||
b = sRGBd65_xyz[2][0]*x + sRGBd65_xyz[2][1]*y + sRGBd65_xyz[2][2]*z ;*/
|
||||
|
||||
r = ((sRGB_xyz[0][0]*x + sRGB_xyz[0][1]*y + sRGB_xyz[0][2]*z)) ;
|
||||
g = ((sRGB_xyz[1][0]*x + sRGB_xyz[1][1]*y + sRGB_xyz[1][2]*z)) ;
|
||||
b = ((sRGB_xyz[2][0]*x + sRGB_xyz[2][1]*y + sRGB_xyz[2][2]*z)) ;
|
||||
|
||||
}
|
||||
|
||||
|
||||
void ImProcFunctions::xyz2rgb (float x, float y, float z, float &r, float &g, float &b, float rgb_xyz[3][3]) {
|
||||
|
||||
//Transform to output color. Standard sRGB is D65, but internal representation is D50
|
||||
//Note that it is only at this point that we should have need of clipping color data
|
||||
|
||||
/*float x65 = d65_d50[0][0]*x + d65_d50[0][1]*y + d65_d50[0][2]*z ;
|
||||
float y65 = d65_d50[1][0]*x + d65_d50[1][1]*y + d65_d50[1][2]*z ;
|
||||
float z65 = d65_d50[2][0]*x + d65_d50[2][1]*y + d65_d50[2][2]*z ;
|
||||
|
||||
r = sRGB_xyz[0][0]*x65 + sRGB_xyz[0][1]*y65 + sRGB_xyz[0][2]*z65;
|
||||
g = sRGB_xyz[1][0]*x65 + sRGB_xyz[1][1]*y65 + sRGB_xyz[1][2]*z65;
|
||||
b = sRGB_xyz[2][0]*x65 + sRGB_xyz[2][1]*y65 + sRGB_xyz[2][2]*z65;*/
|
||||
|
||||
/*r = sRGBd65_xyz[0][0]*x + sRGBd65_xyz[0][1]*y + sRGBd65_xyz[0][2]*z ;
|
||||
g = sRGBd65_xyz[1][0]*x + sRGBd65_xyz[1][1]*y + sRGBd65_xyz[1][2]*z ;
|
||||
b = sRGBd65_xyz[2][0]*x + sRGBd65_xyz[2][1]*y + sRGBd65_xyz[2][2]*z ;*/
|
||||
|
||||
|
||||
|
||||
r = ((rgb_xyz[0][0]*x + rgb_xyz[0][1]*y + rgb_xyz[0][2]*z)) ;
|
||||
g = ((rgb_xyz[1][0]*x + rgb_xyz[1][1]*y + rgb_xyz[1][2]*z)) ;
|
||||
b = ((rgb_xyz[2][0]*x + rgb_xyz[2][1]*y + rgb_xyz[2][2]*z)) ;
|
||||
|
||||
}
|
||||
|
||||
void ImProcFunctions::Lab2XYZ(float L, float a, float b, float &x, float &y, float &z) {
|
||||
float fy = (0.00862069 * L) + 0.137932; // (L+16)/116
|
||||
float fx = (0.002 * a) + fy;
|
||||
float fz = fy - (0.005 * b);
|
||||
|
||||
x = 65535*f2xyz(fx)*D50x;
|
||||
y = 65535*f2xyz(fy);
|
||||
z = 65535*f2xyz(fz)*D50z;
|
||||
}
|
||||
|
||||
void ImProcFunctions::XYZ2Lab(float X, float Y, float Z, float &L, float &a, float &b) {
|
||||
|
||||
float fx = (X<65535.0 ? cachef[X] : (327.68*exp(log(X/MAXVAL)/3.0 )));
|
||||
float fy = (Y<65535.0 ? cachef[Y] : (327.68*exp(log(Y/MAXVAL)/3.0 )));
|
||||
float fz = (Z<65535.0 ? cachef[Z] : (327.68*exp(log(Z/MAXVAL)/3.0 )));
|
||||
|
||||
L = (116.0 * fy - 5242.88); //5242.88=16.0*327.68;
|
||||
a = (500.0 * (fx - fy) );
|
||||
b = (200.0 * (fy - fz) );
|
||||
|
||||
}
|
||||
|
||||
void ImProcFunctions::Lab2Yuv(float L, float a, float b, float &Y, float &u, float &v) {
|
||||
float fy = (0.00862069 * L/327.68) + 0.137932; // (L+16)/116
|
||||
float fx = (0.002 * a/327.68) + fy;
|
||||
float fz = fy - (0.005 * b/327.68);
|
||||
|
||||
float X = 65535.0*f2xyz(fx)*D50x;
|
||||
Y = 65535.0*f2xyz(fy);
|
||||
float Z = 65535.0*f2xyz(fz)*D50z;
|
||||
|
||||
u = 4.0*X/(X+15*Y+3*Z)-u0;
|
||||
v = 9.0*Y/(X+15*Y+3*Z)-v0;
|
||||
|
||||
/*float u0 = 4*D50x/(D50x+15+3*D50z);
|
||||
float v0 = 9/(D50x+15+3*D50z);
|
||||
u -= u0;
|
||||
v -= v0;*/
|
||||
|
||||
}
|
||||
|
||||
void ImProcFunctions::Yuv2Lab(float Yin, float u, float v, float &L, float &a, float &b, double wp[3][3]) {
|
||||
|
||||
float u1 = u + u0;
|
||||
float v1 = v + v0;
|
||||
|
||||
float Y = Yin;
|
||||
float X = (9*u1*Y)/(4*v1*D50x);
|
||||
float Z = (12 - 3*u1 - 20*v1)*Y/(4*v1*D50z);
|
||||
|
||||
gamutmap(X,Y,Z,wp);
|
||||
|
||||
float fx = (X<65535.0 ? cachef[X] : (327.68*exp(log(X/MAXVAL)/3.0 )));
|
||||
float fy = (Y<65535.0 ? cachef[Y] : (327.68*exp(log(Y/MAXVAL)/3.0 )));
|
||||
float fz = (Z<65535.0 ? cachef[Z] : (327.68*exp(log(Z/MAXVAL)/3.0 )));
|
||||
|
||||
L = (116.0 * fy - 5242.88); //5242.88=16.0*327.68;
|
||||
a = (500.0 * (fx - fy) );
|
||||
b = (200.0 * (fy - fz) );
|
||||
|
||||
}
|
||||
|
||||
#include "gamutbdy.cc"
|
||||
}
|
||||
|
||||
#undef eps_max
|
||||
#undef kappa
|
||||
|
||||
Reference in New Issue
Block a user