211 lines
8.9 KiB
C++
211 lines
8.9 KiB
C++
/*
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* This file is part of RawTherapee.
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*
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* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.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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#ifndef _COLORTEMP_
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#define _COLORTEMP_
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#include <cmath>
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#include <map>
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#include <string>
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namespace rtengine
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{
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constexpr double MINTEMP = 1500.0;
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constexpr double MAXTEMP = 60000.0;
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constexpr double MINGREEN = 0.02;
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constexpr double MAXGREEN = 10.0;
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constexpr double MINEQUAL = 0.8;
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constexpr double MAXEQUAL = 1.5;
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constexpr double INITIALBLACKBODY = 4000.0;
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class ColorTemp
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{
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private:
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double temp;
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double green;
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double equal;
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std::string method;
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static void clip (double &temp, double &green);
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static void clip (double &temp, double &green, double &equal);
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int XYZtoCorColorTemp(double x0, double y0 , double z0, double &temp) const;
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void temp2mul (double temp, double green, double equal, double& rmul, double& gmul, double& bmul) const;
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const static std::map<std::string,const double *> spectMap;
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public:
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ColorTemp () : temp(-1.), green(-1.), equal (1.), method("Custom") {}
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explicit ColorTemp (double e) : temp(-1.), green(-1.), equal (e), method("Custom") {}
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ColorTemp (double t, double g, double e, const std::string &m);
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ColorTemp (double mulr, double mulg, double mulb, double e);
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void update (const double rmul, const double gmul, const double bmul, const double equal, const double tempBias=0.0)
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{
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this->equal = equal;
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mul2temp (rmul, gmul, bmul, this->equal, temp, green);
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if (tempBias != 0.0 && tempBias >= -1.0 && tempBias <= 1.0) {
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temp += temp * tempBias;
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}
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}
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void useDefaults (const double equal)
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{
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temp = 6504; // Values copied from procparams.cc
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green = 1.0;
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this->equal = equal;
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}
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inline std::string getMethod() const
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{
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return method;
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}
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inline double getTemp () const
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{
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return temp;
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}
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inline double getGreen () const
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{
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return green;
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}
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inline double getEqual () const
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{
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return equal;
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}
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void getMultipliers (double &mulr, double &mulg, double &mulb) const
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{
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temp2mul (temp, green, equal, mulr, mulg, mulb);
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}
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void mul2temp (const double rmul, const double gmul, const double bmul, const double equal, double& temp, double& green) const;
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static void temp2mulxyz (double tem, const std::string &method, double &Xxyz, double &Zxyz);
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static void cieCAT02(double Xw, double Yw, double Zw, double &CAM02BB00, double &CAM02BB01, double &CAM02BB02, double &CAM02BB10, double &CAM02BB11, double &CAM02BB12, double &CAM02BB20, double &CAM02BB21, double &CAM02BB22, double adap );
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bool operator== (const ColorTemp& other) const
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{
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return fabs(temp - other.temp) < 1e-10 && fabs(green - other.green) < 1e-10;
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}
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bool operator!= (const ColorTemp& other) const
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{
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return !(*this == other);
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}
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static double blackbody_spect (double wavelength, double temperature);
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static double daylight_spect (double wavelength, double m1, double m2);
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static const double Cloudy6200_spect[97];
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static const double Daylight5300_spect[97];
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static const double Shade7600_spect[97];
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static const double A2856_spect[97];
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static const double FluoF1_spect[97];
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static const double FluoF2_spect[97];
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static const double FluoF3_spect[97];
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static const double FluoF4_spect[97];
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static const double FluoF5_spect[97];
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static const double FluoF6_spect[97];
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static const double FluoF7_spect[97];
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static const double FluoF8_spect[97];
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static const double FluoF9_spect[97];
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static const double FluoF10_spect[97];
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static const double FluoF11_spect[97];
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static const double FluoF12_spect[97];
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static const double HMI_spect[97];
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static const double GTI_spect[97];
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static const double JudgeIII_spect[97];
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static const double Solux3500_spect[97];
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static const double Solux4100_spect[97];
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static const double Solux4700_spect[97];
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static const double NG_Solux4700_spect[97];
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static const double NG_LEDLSI2040_spect[97];
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static const double NG_CRSSP12WWMR16_spect[97];
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static const double Flash5500_spect[97];
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static const double Flash6000_spect[97];
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static const double Flash6500_spect[97];
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//spectral data 8 color Colorchecker24
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static double get_spectral_color (double wavelength, const double* array)
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{
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int wlm = (int) ((wavelength - 350.) / 5.);
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return (array[wlm]);
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}
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static const double ColorchechredC3_spect[97];
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static const double ColorchechOraA2_spect[97];
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static const double ColorchechYelD3_spect[97];
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static const double ColorchechGreE2_spect[97];
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static const double ColorchechGreB3_spect[97];
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static const double ColorchechCyaF3_spect[97];
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static const double ColorchechPurD2_spect[97];
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static const double ColorchechMagE3_spect[97];
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static const double ColorchechSkiA138_13_14_spect[97];
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static const double ColorchechGraC4_67_spect[97];
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static const double ColorchechSkiB166_18_18_spect[97];
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static const double ColorchechBluC150_m5_m22_spect[97];
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static const double ColorchechDCBluN881_m7_m14_spect[97];//ColorChecker DC N8
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static const double ColorchechSGSkiF763_14_26_spect[97];//ColorChecker SG F7
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static const double ColorchechSGSkiK285_11_17_spect[97];//ColorChecker SG K2
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static const double ColorchechWhiA496_spect[97];
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static const double ColorchechGreD1_spect[97];
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static const double ColorchechSGBlaN3_6_spect[97];//ColorChecker SG N3
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static const double JDC468_GraK14_44_spect[97];//468 K14
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static const double JDC468_BluH10_spect[97];//468 H10
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static const double ColabSkin35_15_17_spect[97];//Skin L 35
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static const double ColabSkin57_22_18_spect[97];//Skin L 57
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static const double ColabSkin40_17_17_spect[97];//Skin L 40
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static const double ColabSkin91_4_14_spect[97];//Skin L 91
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static const double ColabSkin87_8_8_spect[97];//Skin L 87
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static const double ColabSkin89_8_21_spect[97];//Skin L 89
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static const double ColabSkin75_8_4_spect[97];//Skin L 75
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static const double ColabSkin75_10_33_spect[97];//Skin L 75
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static const double ColabSkin65_33_11_spect[97];//Skin L 65
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static const double ColabSkin65_7_24_spect[97];//Skin L 65
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static const double ColabSkin57_19_6_spect[97];//Skin L 57
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static const double ColabSkin57_4_19_spect[97];//Skin L 57
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static const double ColabSkin57_10_28_spect[97];//Skin L 57
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static const double ColabSkin40_7_19_spect[97];//Skin L 57
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static const double ColabSkin40_17_6_spect[97];//Skin L 40
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static const double ColabSkin40_4_11_spect[97];//Skin L 40
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static const double ColabSkin33_6_15_spect[97];//Skin L 33
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static const double ColabSkin33_15_5_spect[97];//Skin L 33
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static const double ColabSkin33_10_15_spect[97];//Skin L 33
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static const double ColabSkin24_5_6_spect[97];//Skin L 24
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static const double ColabSkin26_18_18_spect[97];//Skin L 26
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static const double ColabSkin24_7_5_spect[97];//Skin L 24
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static const double ColabSkin20_4_2_spect[97];//Skin L 20
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static const double ColabSkin98_m2_10_spect[97];//Skin L 98
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static const double ColabSkin90_m1_20_spect[97];//Skin L 90
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static const double ColabSkin95_0_4_spect[97];//Skin L 95
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static const double ColabSkin81_2_14_spect[97];//Skin L 81
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static const double ColabSkin87_3_10_spect[97];//Skin L 87
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static const double ColabSkin77_12_21_spect[97];//Skin L 77
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static const double ColabSkin70_7_32_spect[97];//Skin L 77
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static const double ColabSky60_0_m31_spect[97];//Sky L=60
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static const double ColabSky42_0_m24_spect[97];//Sky L=42
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static void spectrum_to_xyz_daylight (double _m1, double _m2, double &x, double &y, double &z);
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static void spectrum_to_xyz_blackbody (double _temp, double &x, double &y, double &z);
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static void spectrum_to_xyz_preset (const double* spec_intens, double &x, double &y, double &z);
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static void spectrum_to_color_xyz_daylight (const double* spec_color, double _m1, double _m2, double &xx, double &yy, double &zz);
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static void spectrum_to_color_xyz_blackbody (const double* spec_color, double _temp, double &xx, double &yy, double &zz);
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static void spectrum_to_color_xyz_preset (const double* spec_color, const double* spec_intens, double &xx, double &yy, double &zz);
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};
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}
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#endif
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