cxImageTFData.h

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/*=========================================================================
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_ */