CurveOperation.h

/*
 *   Copyright 2011, 2012 Lukas Jirkovsky
 *
 *   This file is part of FotoSHOCK.
 *
 *   FotoSHOCK 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, version 3 of the License.
 *
 *   FotoSHOCK 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.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with FotoSHOCK.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef CURVEOPERATION_H
#define CURVEOPERATION_H

#include "FotoSHOCKOperation.h"

using namespace FotoSHOCKcore;

class HermiteCurve;

class CurveOperation : public FotoSHOCKcore::ImageOperation, public IFotoSHOCKOperation {
    public:
        CurveOperation();
        virtual ~CurveOperation();

        virtual void initialize();
        virtual void runOperation(const Inputs& sources, const Outputs& dest, std::vector<UpdateInfo>& ROI, const long stamp);
        virtual QDialog* getUI(QWidget* parent = 0);
    private:
        HermiteCurve* curves;
        std::size_t curvesSize;
        std::size_t curvesResolution;
        // lokup table, is initialized for the current image format
        void** LUT;

        template <ValueType::Enum PixelType>
        void applyCurvesInteger(MipMap* src, MipMap* dest, vector<UpdateInfo>& ROI, const long stamp);
        template <ValueType::Enum PixelType>
        void applyCurvesFloat(MipMap* src, MipMap* dest, vector<UpdateInfo>& ROI, const long stamp);
};

class CurveOperationDescr : public ImageOperationDescriptor {
    public:
        virtual const char* name() {return "Curves";}
        virtual const char* description() {return "Adjust color curves.";}
        virtual ImageOperation* operation() {return new CurveOperation;}
};

#endif // CURVEOPERATION_H