BWconversion_direct/BWconversion_direct.hpp

This is an example of how to declare an ImageOperation that converts image to grayscale using a direct access to ImageBuffer.

/*
 *  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 Lesser 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 Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with FotoSHOCK.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef BWCONVERSIONDIRECT_H
#define BWCONVERSIONDIRECT_H

#include <ImageOperation.hpp>
#include <ImageBuffer.hpp>

using namespace FotoSHOCKcore;

class BWconversion : public ImageOperation {
    public:
        virtual void runOperation (const Inputs& sources, const Outputs& dest, vector<UpdateInfo>& ROI, const long stamp);
    private:
        template <ValueType::Enum PixelFormat>
        void convert(MipMap* src, MipMap* dest, vector<UpdateInfo>& ROIlist, const long stamp);
};

class BWconversionDescr : public ImageOperationDescriptor {
    public:
        virtual const char* name() {return "B/W Conversion.";}
        virtual const char* description() {return "Converts an image to grayscale.";}
        virtual ImageOperation* operation() {return new BWconversion;}
};

#endif