58 lines
1.9 KiB
C++
58 lines
1.9 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 <http://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 <math.h>
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namespace rtengine {
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#define MINTEMP 1200
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#define MAXTEMP 12000
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#define MINGREEN 0.02
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#define MAXGREEN 5.0
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class ColorTemp {
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private:
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double temp;
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double green;
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static void clip (double &temp, double &green);
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public:
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ColorTemp () : temp(-1), green(-1) {}
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ColorTemp (double t, double g);
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ColorTemp (double mulr, double mulg, double mulb) { mul2temp (mulr, mulg, mulb, temp, green); }
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inline double getTemp () { return temp; }
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inline double getGreen () { return green; }
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void getMultipliers (double &mulr, double &mulg, double &mulb) { temp2mul (temp, green, mulr, mulg, mulb); }
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static void mul2temp (double rmul, double gmul, double bmul, double& temp, double& green);
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static void temp2mul (double temp, double green, double& rmul, double& gmul, double& bmul);
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bool operator== (const ColorTemp& other) { return fabs(temp-other.temp)<1e-10 && fabs(green-other.green)<1e-10; }
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bool operator!= (const ColorTemp& other) { return !(*this==other); }
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};
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};
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#endif
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