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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2007-16-01
* Description : white balance color correction.
*
* Copyright (C) 2007-2008 by Gilles Caulier <caulier dot gilles at gmail dot com>
* Copyright (C) 2008 by Guillaume Castagnino <casta at xwing dot info>
*
* This program is free software; you can redistribute it
* and/or modify it under the terms of the GNU General
* Public License as published by the Free Software Foundation;
* either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* ============================================================ */
#ifndef WHITEBALANCE_H
#define WHITEBALANCE_H
// Digikam includes.
#include "digikam_export.h"
class QColor;
namespace Digikam
{
class WhiteBalancePriv;
class DIGIKAM_EXPORT WhiteBalance
{
public:
WhiteBalance(bool sixteenBit);
~WhiteBalance();
void whiteBalance(uchar *data, int width, int height, bool sixteenBit,
double black=0.0, double exposition=0.0,
double temperature=6500.0, double green=1.0, double dark=0.5,
double gamma=1.0, double saturation=1.0);
static void autoExposureAdjustement(uchar* data, int width, int height, bool sb,
double &black, double &expo);
static void autoWBAdjustementFromColor(const QColor &tc, double &temperature, double &green);
private:
void setRGBmult();
static void setRGBmult(double &temperature, double &green, float &mr, float &mg, float &mb);
void setLUTv();
void adjustWhiteBalance(uchar *data, int width, int height, bool sixteenBit);
inline unsigned short pixelColor(int colorMult, int index, int value);
private:
WhiteBalancePriv* d;
};
} // NameSpace Digikam
#endif /* WHITEBALANCE_H */
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