BackgroundRenderer.h

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// vim:set ts=4 sw=4 noet cin:
#ifndef BACKGROUNDRENDERER_H_
#define BACKGROUNDRENDERER_H_

#include <QColor>
#include <QBrush>
#include <QPainter>
#include "ARender.h"

class TransferFunc;

class BackgroundRenderer : public ARender {
        public:
                BackgroundRenderer(const Data& aData);

                virtual void render(QPixmap* pixmap);

                void setDataIndex(int newIndex);
                int dataIndex(){return mDataIndex;}

                void addTransferFunction(TransferFunc* aFunc);

                void removeTransferFunction(TransferFunc* aFunc);

                void transferFunctionsChanged();

        protected:

                QColor applyTransferFunctions(float aDataValue) const;

                std::vector<TransferFunc*> mFunctions;
                
                unsigned int mDataIndex;
};

#endif

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