69c1caafa1
* Change Preferences for observer whitebalance * Change label white balance preferences * Added Preferences 2 parameters Whitebalance auto correlation * Add Preference Temperature correlation - sort and tooltip * Change to rtengine cmakelist * Apply patch from Lawrence37 * Small comment code * Change defaut order prefrences wba * Added force extra algoritm to Preferences * Harmonize itcwb sorted * Add fields to Preferences Itcwb * Change settings precision Itcwb in Preferences * Change tooltip Itcwb preferences * First stage Itwcwb settings in main with pp3 and selction in preferences * Second stage Itwcwb settings in main with pp3 and selction in preferences * Third stage Itwcwb settings in main with pp3 and selction in preferences * Add itcwb_fgreen student - green optimize * Add Itcwb green range * Itcwb history msg - first tooltips * Remove force-extra because always used * reused force-extra to use entire CIExy for sampling datas * Removed inwanted text in console * Set sensitive for Itcwbframe * Various change - comment .. * Small code review - chnage tooltips * Remove settings itcwb_delta in Rawimagesource.cc to simplify * Remove Itcwb Observer - put a single observer for everything - general - itcwb * Fixed conflicts in colortemp.cc * Various change - fixed bug - simplify * Fixed limits for settings pp3 - chnage tooltip * Clean unused code * Put itcwb_findgreen in GUI * Added checkbox 'Low sampling' to find the settings of 5.9 * Set Observer to Observer 10° - preferences default * Missing setting Low sampling * Show white balance multipliers * Change default settings - Itcwb_sorted * Move observer from preferences to WB * Make observer selectable for camera WB * Ensure observer checkbox is in sync with PP3 * Set default ITCWB low sampling for PP3s from <=5.9 Ensure temperature correlation white balance algorithm 1 is used when opening edits from versions 5.9 and earlier. * Removed unused White-balance frame in Preferences * Comment some GUI sliders checkbox * Removed all GUI itcwb in preferences and whitebalance * Removed forgotten code in preferences * Remove labels tooltips history Itcwb --------- Co-authored-by: Lawrence Lee <45837045+Lawrence37@users.noreply.github.com>
668 lines
21 KiB
C++
668 lines
21 KiB
C++
/*
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* This file is part of RawTherapee.
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*
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* Copyright (c) 2019 Alberto Romei <aldrop8@gmail.com>
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*
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* RawTherapee is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* RawTherapee is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with RawTherapee. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <cmath>
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#include <iostream>
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#include "rawimage.h"
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#include "rawimagesource.h"
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#include "improcfun.h"
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#include "improccoordinator.h"
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#include "imagefloat.h"
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#include "coord.h"
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#include "opthelper.h"
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#include "pixelsmap.h"
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#include "procparams.h"
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#include "rt_algo.h"
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#include "rtengine.h"
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#include "rtthumbnail.h"
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#include "sleef.h"
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//#define BENCHMARK
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//#include "StopWatch.h"
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#include "iccstore.h"
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#include "rt_math.h"
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#include "color.h"
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namespace
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{
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using rtengine::settings;
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using rtengine::Coord2D;
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using rtengine::ColorTemp;
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using rtengine::findMinMaxPercentile;
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using rtengine::ImageSource;
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using rtengine::Imagefloat;
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using rtengine::procparams::FilmNegativeParams;
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using rtengine::procparams::ColorManagementParams;
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using rtengine::procparams::RAWParams;
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using rtengine::ICCStore;
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using rtengine::MAXVALF;
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using rtengine::CLIP;
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using rtengine::TMatrix;
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using rtengine::Color;
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using RGB = rtengine::procparams::FilmNegativeParams::RGB;
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Coord2D translateCoord(const rtengine::ImProcFunctions& ipf, int fw, int fh, int x, int y)
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{
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const std::vector<Coord2D> points = {Coord2D(x, y)};
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std::vector<Coord2D> red;
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std::vector<Coord2D> green;
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std::vector<Coord2D> blue;
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ipf.transCoord(fw, fh, points, red, green, blue);
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return green[0];
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}
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void getSpotAvgMax(ImageSource *imgsrc, ColorTemp currWB, const std::unique_ptr<rtengine::procparams::ProcParams> ¶ms,
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Coord2D p, int tr, int spotSize, RGB &avg, RGB &max)
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{
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int x1 = MAX(0, (int)p.x - spotSize / 2);
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int y1 = MAX(0, (int)p.y - spotSize / 2);
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PreviewProps pp(x1, y1, spotSize, spotSize, 1);
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if (settings->verbose) {
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printf("Spot: %d,%d %d,%d\n", x1, y1, x1 + spotSize / 2, y1 + spotSize / 2);
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}
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rtengine::Imagefloat spotImg(spotSize, spotSize);
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imgsrc->getImage(currWB, tr, &spotImg, pp, params->toneCurve, params->raw, 0);
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auto avgMax = [spotSize, &spotImg](RGB & avg, RGB & max) -> void {
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avg = {};
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max = {};
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for (int i = 0; i < spotSize; ++i)
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{
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for (int j = 0; j < spotSize; ++j) {
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float r = spotImg.r(i, j);
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float g = spotImg.g(i, j);
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float b = spotImg.b(i, j);
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avg.r += r;
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avg.g += g;
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avg.b += b;
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max.r = MAX(max.r, r);
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max.g = MAX(max.g, g);
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max.b = MAX(max.b, b);
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}
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}
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avg.r /= (spotSize * spotSize);
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avg.g /= (spotSize * spotSize);
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avg.b /= (spotSize * spotSize);
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};
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if (params->filmNegative.colorSpace == rtengine::FilmNegativeParams::ColorSpace::INPUT) {
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avgMax(avg, max);
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} else {
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// Convert spot image to current working space
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imgsrc->convertColorSpace(&spotImg, params->icm, currWB);
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avgMax(avg, max);
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// TODO handle custom color profile !
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}
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// Clip away zeroes or negative numbers, you never know
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avg.r = MAX(avg.r, 1.f);
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avg.g = MAX(avg.g, 1.f);
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avg.b = MAX(avg.b, 1.f);
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if (settings->verbose) {
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printf("Average Spot RGB: %f,%f,%f\n", avg.r, avg.g, avg.b);
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}
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}
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void calcMedians(
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const rtengine::Imagefloat* input,
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int x1, int y1, int x2, int y2,
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float &rmed, float &gmed, float &bmed
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)
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{
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using rtengine::findMinMaxPercentile;
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// Channel vectors to calculate medians
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std::vector<float> rv, gv, bv;
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const int sz = (x2 - x1) * (y2 - y1);
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rv.reserve(sz);
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gv.reserve(sz);
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bv.reserve(sz);
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for (int ii = y1; ii < y2; ii ++) {
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for (int jj = x1; jj < x2; jj ++) {
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rv.push_back(input->r(ii, jj));
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gv.push_back(input->g(ii, jj));
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bv.push_back(input->b(ii, jj));
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}
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}
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// Calculate channel medians of the specified area
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findMinMaxPercentile(rv.data(), rv.size(), 0.5f, rmed, 0.5f, rmed, true);
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findMinMaxPercentile(gv.data(), gv.size(), 0.5f, gmed, 0.5f, gmed, true);
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findMinMaxPercentile(bv.data(), bv.size(), 0.5f, bmed, 0.5f, bmed, true);
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}
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RGB getMedians(const rtengine::Imagefloat* input, int borderPercent)
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{
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float rmed, gmed, bmed;
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// Cut 20% border from medians calculation. It will probably contain outlier values
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// from the film holder, which will bias the median result.
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const int bW = input->getWidth() * borderPercent / 100;
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const int bH = input->getHeight() * borderPercent / 100;
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calcMedians(input, bW, bH,
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input->getWidth() - bW, input->getHeight() - bH,
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rmed, gmed, bmed);
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if (settings->verbose) {
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printf("Channel medians: R=%g, G=%g, B=%g\n", rmed, gmed, bmed);
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}
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return { rmed, gmed, bmed };
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}
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/*
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// TODO not needed for now
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void convertColorSpace(Imagefloat* input, const TMatrix &src2xyz, const TMatrix &xyz2dest)
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{
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#ifdef _OPENMP
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#pragma omp parallel for
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#endif
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for (int i = 0; i < input->getHeight(); i++) {
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for (int j = 0; j < input->getWidth(); j++) {
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float newr = input->r(i, j);
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float newg = input->g(i, j);
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float newb = input->b(i, j);
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float x, y, z;
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Color::rgbxyz (newr, newg, newb, x, y, z, src2xyz);
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Color::xyz2rgb (x, y, z, newr, newg, newb, xyz2dest);
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input->r(i, j) = newr;
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input->g(i, j) = newg;
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input->b(i, j) = newb;
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}
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}
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}
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*/
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/**
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* Perform actual film negative inversion process.
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* Returns true if the input and output reference values are not set in params; refIn/refOut will be updated with median-based estimates.
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* Otherwise, use provided values in params and return false
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*/
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bool doProcess(Imagefloat *input, Imagefloat *output,
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const FilmNegativeParams ¶ms, const ColorManagementParams &icmParams,
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RGB &refIn, RGB &refOut)
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{
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bool refsUpdated = false;
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float rexp = -(params.greenExp * params.redRatio);
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float gexp = -params.greenExp;
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float bexp = -(params.greenExp * params.blueRatio);
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// In case we are processing a thumbnail, reference values might not be set in params,
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// so make an estimate on the fly, using channel medians
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if (refIn.g <= 0.f) {
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// Calc medians, 20% border cut
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refIn = getMedians(input, 20);
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refsUpdated = true;
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} else {
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refIn = params.refInput;
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}
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if (refOut.g <= 0.f) {
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// Median will correspond to gray, 1/24th of max in the output
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refOut = { MAXVALF / 24.f, MAXVALF / 24.f, MAXVALF / 24.f };
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refsUpdated = true;
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} else {
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refOut = params.refOutput;
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}
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// Apply channel exponents to reference input values, and compute suitable multipliers
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// in order to reach reference output values.
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float rmult = refOut.r / pow_F(rtengine::max(refIn.r, 1.f), rexp);
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float gmult = refOut.g / pow_F(rtengine::max(refIn.g, 1.f), gexp);
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float bmult = refOut.b / pow_F(rtengine::max(refIn.b, 1.f), bexp);
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#ifdef __SSE2__
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const vfloat clipv = F2V(MAXVALF);
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const vfloat rexpv = F2V(rexp);
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const vfloat gexpv = F2V(gexp);
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const vfloat bexpv = F2V(bexp);
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const vfloat rmultv = F2V(rmult);
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const vfloat gmultv = F2V(gmult);
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const vfloat bmultv = F2V(bmult);
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#endif
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const int rheight = input->getHeight();
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const int rwidth = input->getWidth();
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for (int i = 0; i < rheight; i++) {
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float *rlinein = input->r(i);
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float *glinein = input->g(i);
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float *blinein = input->b(i);
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float *rlineout = output->r(i);
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float *glineout = output->g(i);
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float *blineout = output->b(i);
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int j = 0;
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#ifdef __SSE2__
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for (; j < rwidth - 3; j += 4) {
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STVFU(rlineout[j], vminf(rmultv * pow_F(LVFU(rlinein[j]), rexpv), clipv));
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STVFU(glineout[j], vminf(gmultv * pow_F(LVFU(glinein[j]), gexpv), clipv));
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STVFU(blineout[j], vminf(bmultv * pow_F(LVFU(blinein[j]), bexpv), clipv));
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}
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#endif
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for (; j < rwidth; ++j) {
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rlineout[j] = CLIP(rmult * pow_F(rlinein[j], rexp));
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glineout[j] = CLIP(gmult * pow_F(glinein[j], gexp));
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blineout[j] = CLIP(bmult * pow_F(blinein[j], bexp));
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}
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}
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return refsUpdated;
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}
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}
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bool rtengine::ImProcFunctions::filmNegativeProcess(
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Imagefloat *input, Imagefloat *output, FilmNegativeParams &fnp,
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const RAWParams &rawParams, const ImageSource* imgsrc, const ColorTemp &currWB)
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{
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//BENCHFUNMICRO
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if (!fnp.enabled) {
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return false;
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}
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bool paramsUpdated = false;
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RGB &refIn = fnp.refInput;
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RGB &refOut = fnp.refOutput;
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// If we're opening a profile from an older version, apply the proper multiplier
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// compensations to make processing backwards compatible.
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if (fnp.backCompat == FilmNegativeParams::BackCompat::V1) {
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// Calc medians, no border cut, compensate currWB in+out
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refIn = getMedians(input, 0);
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refOut = { MAXVALF / 24.f, MAXVALF / 24.f, MAXVALF / 24.f };
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std::array<float, 4> scale_mul = { 1.f, 1.f, 1.f, 1.f };
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float autoGainComp, rm, gm, bm;
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imgsrc->getWBMults(currWB, params->raw, scale_mul, autoGainComp, rm, gm, bm);
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refOut.r *= rm;
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refOut.g *= gm;
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refOut.b *= bm;
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paramsUpdated = true;
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} else if (fnp.backCompat == FilmNegativeParams::BackCompat::V2) {
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std::array<float, 4> scale_mul = { 1.f, 1.f, 1.f, 1.f };
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float autoGainComp, rm, gm, bm;
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imgsrc->getWBMults(currWB, params->raw, scale_mul, autoGainComp, rm, gm, bm);
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float rm2, gm2, bm2;
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imgsrc->getWBMults(rtengine::ColorTemp(3500., 1., 1., "Custom", currWB.getObserver()), params->raw, scale_mul, autoGainComp, rm2, gm2, bm2);
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float mg = rtengine::max(rm2, gm2, bm2);
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rm2 /= mg;
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gm2 /= mg;
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bm2 /= mg;
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if (fnp.refInput.g == 0.f) {
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// Calc medians, 20% border cut
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refIn = getMedians(input, 20);
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refOut = { MAXVALF / 24.f, MAXVALF / 24.f, MAXVALF / 24.f };
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} else if (fnp.refInput.g > 0.f) {
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// Calc refInput + refOutput from base levels, compensate currWB in, 3500 out
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refIn = fnp.refInput;
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refIn.r *= rm * scale_mul[0];
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refIn.g *= gm * scale_mul[1];
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refIn.b *= bm * scale_mul[2];
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refOut = { MAXVALF / 512.f, MAXVALF / 512.f, MAXVALF / 512.f };
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}
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refOut.r *= rm * autoGainComp / rm2;
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refOut.g *= gm * autoGainComp / gm2;
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refOut.b *= bm * autoGainComp / bm2;
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paramsUpdated = true;
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}
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if (settings->verbose && fnp.backCompat != FilmNegativeParams::BackCompat::CURRENT) {
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printf("Upgraded from V%d - refIn: R=%g G=%g B=%g refOut: R=%g G=%g B=%g\n",
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(int)fnp.backCompat,
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static_cast<double>(refIn.r), static_cast<double>(refIn.g), static_cast<double>(refIn.b),
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static_cast<double>(refOut.r), static_cast<double>(refOut.g), static_cast<double>(refOut.b));
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}
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// FilmNeg params are now upgraded to the latest version
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fnp.backCompat = FilmNegativeParams::BackCompat::CURRENT;
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// Perform actual inversion. Return true if reference values are computed from medians
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paramsUpdated |= doProcess(input, output, fnp, this->params->icm, refIn, refOut);
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return paramsUpdated;
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}
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void rtengine::ImProcFunctions::filmNegativeProcess(rtengine::Imagefloat *input, rtengine::Imagefloat *output,
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const procparams::FilmNegativeParams ¶ms)
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{
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//BENCHFUNMICRO
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if (!params.enabled) {
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return;
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}
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RGB refIn = params.refInput, refOut = params.refOutput;
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doProcess(input, output, params, this->params->icm, refIn, refOut);
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}
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bool rtengine::ImProcCoordinator::getFilmNegativeSpot(int x, int y, const int spotSize, RGB &refInput, RGB &refOutput)
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{
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MyMutex::MyLock lock(mProcessing);
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const int tr = getCoarseBitMask(params->coarse);
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const Coord2D p = translateCoord(ipf, fw, fh, x, y);
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// Get the average channel values from the sampled spot
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RGB avg, max;
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getSpotAvgMax(imgsrc, currWB, params, p, tr, spotSize, avg, max);
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float rexp = -(params->filmNegative.greenExp * params->filmNegative.redRatio);
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float gexp = -params->filmNegative.greenExp;
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float bexp = -(params->filmNegative.greenExp * params->filmNegative.blueRatio);
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float rmult = params->filmNegative.refOutput.r / pow_F(rtengine::max(params->filmNegative.refInput.r, 1.f), rexp);
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float gmult = params->filmNegative.refOutput.g / pow_F(rtengine::max(params->filmNegative.refInput.g, 1.f), gexp);
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float bmult = params->filmNegative.refOutput.b / pow_F(rtengine::max(params->filmNegative.refInput.b, 1.f), bexp);
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refInput = avg;
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refOutput.r = rmult * pow_F(avg.r, rexp);
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refOutput.g = gmult * pow_F(avg.g, gexp);
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refOutput.b = bmult * pow_F(avg.b, bexp);
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return true;
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}
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// ---------- >>> legacy mode >>> ---------------
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// For backwards compatibility with profiles saved by RT 5.7 - 5.8
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void rtengine::Thumbnail::processFilmNegative(
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const procparams::ProcParams ¶ms,
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const Imagefloat* baseImg,
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const int rwidth, const int rheight
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)
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{
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// Channel exponents
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const float rexp = -params.filmNegative.redRatio * params.filmNegative.greenExp;
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const float gexp = -params.filmNegative.greenExp;
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const float bexp = -params.filmNegative.blueRatio * params.filmNegative.greenExp;
|
|
|
|
const float MAX_OUT_VALUE = 65000.f;
|
|
|
|
// Channel medians
|
|
float rmed, gmed, bmed;
|
|
|
|
// If using the old method, calculate medians on the whole image
|
|
calcMedians(baseImg, 0, 0, rwidth, rheight, rmed, gmed, bmed);
|
|
|
|
if (settings->verbose) {
|
|
printf("FilmNeg legacy V1 :: Thumbnail input channel medians: %g %g %g\n", rmed, gmed, bmed);
|
|
}
|
|
|
|
// Calculate output medians
|
|
rmed = powf(rmed, rexp);
|
|
gmed = powf(gmed, gexp);
|
|
bmed = powf(bmed, bexp);
|
|
|
|
// Calculate output multipliers so that the median value is 1/24 of the output range.
|
|
float rmult, gmult, bmult;
|
|
rmult = (MAX_OUT_VALUE / 24.f) / rmed;
|
|
gmult = (MAX_OUT_VALUE / 24.f) / gmed;
|
|
bmult = (MAX_OUT_VALUE / 24.f) / bmed;
|
|
|
|
float rsum = 0.f, gsum = 0.f, bsum = 0.f;
|
|
|
|
for (int i = 0; i < rheight; i++) {
|
|
for (int j = 0; j < rwidth; j++) {
|
|
rsum += baseImg->r(i, j);
|
|
gsum += baseImg->g(i, j);
|
|
bsum += baseImg->b(i, j);
|
|
}
|
|
}
|
|
|
|
const float ravg = rsum / (rheight * rwidth);
|
|
const float gavg = gsum / (rheight * rwidth);
|
|
const float bavg = bsum / (rheight * rwidth);
|
|
|
|
// Shifting current WB multipliers, based on channel averages.
|
|
rmult /= gavg / ravg;
|
|
// gmult /= gAvg / gAvg; green chosen as reference channel
|
|
bmult /= gavg / bavg;
|
|
|
|
if (settings->verbose) {
|
|
printf("FilmNeg legacy V1 :: Thumbnail computed multipliers: %g %g %g\n", static_cast<double>(rmult), static_cast<double>(gmult), static_cast<double>(bmult));
|
|
}
|
|
|
|
#ifdef __SSE2__
|
|
const vfloat clipv = F2V(MAXVALF);
|
|
const vfloat rexpv = F2V(rexp);
|
|
const vfloat gexpv = F2V(gexp);
|
|
const vfloat bexpv = F2V(bexp);
|
|
const vfloat rmultv = F2V(rmult);
|
|
const vfloat gmultv = F2V(gmult);
|
|
const vfloat bmultv = F2V(bmult);
|
|
#endif
|
|
|
|
for (int i = 0; i < rheight; i++) {
|
|
float *rline = baseImg->r(i);
|
|
float *gline = baseImg->g(i);
|
|
float *bline = baseImg->b(i);
|
|
int j = 0;
|
|
#ifdef __SSE2__
|
|
|
|
for (; j < rwidth - 3; j += 4) {
|
|
STVFU(rline[j], vminf(rmultv * pow_F(LVFU(rline[j]), rexpv), clipv));
|
|
STVFU(gline[j], vminf(gmultv * pow_F(LVFU(gline[j]), gexpv), clipv));
|
|
STVFU(bline[j], vminf(bmultv * pow_F(LVFU(bline[j]), bexpv), clipv));
|
|
}
|
|
|
|
#endif
|
|
|
|
for (; j < rwidth; ++j) {
|
|
rline[j] = CLIP(rmult * pow_F(rline[j], rexp));
|
|
gline[j] = CLIP(gmult * pow_F(gline[j], gexp));
|
|
bline[j] = CLIP(bmult * pow_F(bline[j], bexp));
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// For backwards compatibility with intermediate dev version (see filmneg_stable_mults branch)
|
|
void rtengine::Thumbnail::processFilmNegativeV2(
|
|
const procparams::ProcParams ¶ms,
|
|
const Imagefloat* baseImg,
|
|
const int rwidth, const int rheight
|
|
)
|
|
{
|
|
|
|
// Channel exponents
|
|
const float rexp = -params.filmNegative.redRatio * params.filmNegative.greenExp;
|
|
const float gexp = -params.filmNegative.greenExp;
|
|
const float bexp = -params.filmNegative.blueRatio * params.filmNegative.greenExp;
|
|
|
|
// Calculate output multipliers
|
|
float rmult, gmult, bmult;
|
|
|
|
const float MAX_OUT_VALUE = 65000.f;
|
|
|
|
// If the film base values are not set in params, estimate multipliers from each channel's median value.
|
|
if (params.filmNegative.refInput.r <= 0.f) {
|
|
|
|
// Channel medians
|
|
float rmed, gmed, bmed;
|
|
|
|
// The new method cuts out a 20% border from medians calculation.
|
|
const int bW = rwidth * 20 / 100;
|
|
const int bH = rheight * 20 / 100;
|
|
calcMedians(baseImg, bW, bH, rwidth - bW, rheight - bH, rmed, gmed, bmed);
|
|
|
|
if (settings->verbose) {
|
|
printf("FilmNeg legacy V2 :: Thumbnail input channel medians: %g %g %g\n", rmed, gmed, bmed);
|
|
}
|
|
|
|
// Calculate output medians
|
|
rmed = powf(rmed, rexp);
|
|
gmed = powf(gmed, gexp);
|
|
bmed = powf(bmed, bexp);
|
|
|
|
// Calculate output multipliers so that the median value is 1/24 of the output range.
|
|
rmult = (MAX_OUT_VALUE / 24.f) / rmed;
|
|
gmult = (MAX_OUT_VALUE / 24.f) / gmed;
|
|
bmult = (MAX_OUT_VALUE / 24.f) / bmed;
|
|
|
|
} else {
|
|
|
|
// Read film-base values from params
|
|
float rbase = params.filmNegative.refInput.r; // redBase;
|
|
float gbase = params.filmNegative.refInput.g; // greenBase;
|
|
float bbase = params.filmNegative.refInput.b; // blueBase;
|
|
|
|
// Reconstruct scale_mul coefficients from thumbnail metadata:
|
|
// redMultiplier / camwbRed is pre_mul[0]
|
|
// pre_mul[0] * scaleGain is scale_mul[0]
|
|
// Apply channel scaling to raw (unscaled) input base values, to
|
|
// match with actual (scaled) data in baseImg
|
|
rbase *= (redMultiplier / camwbRed) * scaleGain;
|
|
gbase *= (greenMultiplier / camwbGreen) * scaleGain;
|
|
bbase *= (blueMultiplier / camwbBlue) * scaleGain;
|
|
|
|
if (settings->verbose) {
|
|
printf("FilmNeg legacy V2 :: Thumbnail input film base values: %g %g %g\n", rbase, gbase, bbase);
|
|
}
|
|
|
|
// Apply exponents to get output film base values
|
|
rbase = powf(rbase, rexp);
|
|
gbase = powf(gbase, gexp);
|
|
bbase = powf(bbase, bexp);
|
|
|
|
// Calculate multipliers so that film base value is 1/512th of the output range.
|
|
rmult = (MAX_OUT_VALUE / 512.f) / rbase;
|
|
gmult = (MAX_OUT_VALUE / 512.f) / gbase;
|
|
bmult = (MAX_OUT_VALUE / 512.f) / bbase;
|
|
|
|
}
|
|
|
|
|
|
// Get and un-apply multipliers to adapt the thumbnail to a known fixed WB setting,
|
|
// as in the main image processing.
|
|
|
|
double r, g, b;
|
|
ColorTemp(3500., 1., 1., "Custom", params.wb.observer).getMultipliers(r, g, b);
|
|
//iColorMatrix is cam_rgb
|
|
const double rm = camwbRed / (iColorMatrix[0][0] * r + iColorMatrix[0][1] * g + iColorMatrix[0][2] * b);
|
|
const double gm = camwbGreen / (iColorMatrix[1][0] * r + iColorMatrix[1][1] * g + iColorMatrix[1][2] * b);
|
|
const double bm = camwbBlue / (iColorMatrix[2][0] * r + iColorMatrix[2][1] * g + iColorMatrix[2][2] * b);
|
|
|
|
// Normalize max WB multiplier to 1.f
|
|
const double m = max(rm, gm, bm);
|
|
rmult /= rm / m;
|
|
gmult /= gm / m;
|
|
bmult /= bm / m;
|
|
|
|
|
|
if (settings->verbose) {
|
|
printf("FilmNeg legacy V2 :: Thumbnail computed multipliers: %g %g %g\n", static_cast<double>(rmult), static_cast<double>(gmult), static_cast<double>(bmult));
|
|
}
|
|
|
|
|
|
#ifdef __SSE2__
|
|
const vfloat clipv = F2V(MAXVALF);
|
|
const vfloat rexpv = F2V(rexp);
|
|
const vfloat gexpv = F2V(gexp);
|
|
const vfloat bexpv = F2V(bexp);
|
|
const vfloat rmultv = F2V(rmult);
|
|
const vfloat gmultv = F2V(gmult);
|
|
const vfloat bmultv = F2V(bmult);
|
|
#endif
|
|
|
|
for (int i = 0; i < rheight; i++) {
|
|
float *rline = baseImg->r(i);
|
|
float *gline = baseImg->g(i);
|
|
float *bline = baseImg->b(i);
|
|
int j = 0;
|
|
#ifdef __SSE2__
|
|
|
|
for (; j < rwidth - 3; j += 4) {
|
|
STVFU(rline[j], vminf(rmultv * pow_F(LVFU(rline[j]), rexpv), clipv));
|
|
STVFU(gline[j], vminf(gmultv * pow_F(LVFU(gline[j]), gexpv), clipv));
|
|
STVFU(bline[j], vminf(bmultv * pow_F(LVFU(bline[j]), bexpv), clipv));
|
|
}
|
|
|
|
#endif
|
|
|
|
for (; j < rwidth; ++j) {
|
|
rline[j] = CLIP(rmult * pow_F(rline[j], rexp));
|
|
gline[j] = CLIP(gmult * pow_F(gline[j], gexp));
|
|
bline[j] = CLIP(bmult * pow_F(bline[j], bexp));
|
|
}
|
|
}
|
|
}
|
|
|
|
// ----------------- <<< legacy mode <<< ------------
|
|
|
|
|