cxImageTFData.h

Go to the documentation of this file.

/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.
                 
Copyright (c) SINTEF Department of Medical Technology.
All rights reserved.
                 
CustusX is released under a BSD 3-Clause license.
                 
See Lisence.txt (https://github.com/SINTEFMedtek/CustusX/blob/master/License.txt) for details.
=========================================================================*/


/*
 *  Created on: Mar 15, 2011
 *      Author: christiana
 */

#ifndef CXIMAGETFDATA_H_
#define CXIMAGETFDATA_H_

#include "cxResourceExport.h"
#include "cxPrecompiledHeader.h"

#include <map>
#include <boost/shared_ptr.hpp>
#include <QObject>
#include <QColor>
#include "vtkForwardDeclarations.h"
class QDomNode;

namespace cx
{
typedef std::map<int, int> IntIntMap;
typedef std::map<int, QColor> ColorMap;
typedef boost::shared_ptr<IntIntMap> OpacityMapPtr;
typedef boost::shared_ptr<ColorMap> ColorMapPtr;

typedef boost::shared_ptr<class ImageTFData> ImageTFDataPtr;


class cxResource_EXPORT ImageTFData: public QObject
{
Q_OBJECT
public:
        ImageTFData();
        virtual ~ImageTFData();

        void setAlpha(double val); 
        double getAlpha() const;
        void setLLR(double val); 
        double getLLR() const;
        void setWindow(double val); 
        double getWindow() const;
        void setLevel(double val); 
        double getLevel() const;

        IntIntMap getOpacityMap();
        ColorMap getColorMap();

        void resetAlpha(IntIntMap val);
        void addAlphaPoint(int alphaPosition, int alphaValue);
        void removeAlphaPoint(int alphaPosition);
        void moveAlphaPoint(int oldpos, int newpos, int alphaValue);

        void resetColor(ColorMap val);
        void addColorPoint(int colorPosition, QColor colorValue);
        void removeColorPoint(int colorPosition);
        void moveColorPoint(int oldpos, int newpos, QColor colorValue);

        virtual void addXml(QDomNode dataNode); 
        virtual void parseXml(QDomNode dataNode);

        void unsignedCT(bool onLoad);
        void shift(int val); 

        vtkColorTransferFunctionPtr generateColorTF() const;
        vtkPiecewiseFunctionPtr generateOpacityTF() const;

signals:
        void transferFunctionsChanged();

protected:
        void deepCopy(ImageTFData* source);
        virtual void internalsHaveChanged() {}

        void fillOpacityTFFromMap(vtkPiecewiseFunctionPtr tf) const;
        void fillColorTFFromMap(vtkColorTransferFunctionPtr tf) const;
        void shiftColor(int shift, double center, double scale);
        void shiftOpacity(int shift);

        IntIntMap mOpacityMap;
        ColorMap mColorMap;
};

}

#endif /* CXIMAGETFDATA_H_ */