cxImageDefaultTFGenerator.h

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
All rights reserved.

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modification, are permitted provided that the following conditions are met:

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   this list of conditions and the following disclaimer.

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   and/or other materials provided with the distribution.

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   may be used to endorse or promote products derived from this software 
   without specific prior written permission.

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#ifndef CXIMAGEDEFAULTTFGENERATOR_H
#define CXIMAGEDEFAULTTFGENERATOR_H

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

#include "cxForwardDeclarations.h"

namespace cx
{
typedef std::pair<double,double> double_pair;


class cxResource_EXPORT ImageDefaultTFGenerator
{
public:
        ImageDefaultTFGenerator(ImagePtr image);
        ImageLUT2DPtr generate2DTFPreset();
        ImageTF3DPtr generate3DTFPreset();
        void resetShading();

private:
        ImagePtr mImage;
        double_pair guessInitialScalarRange() const;
        double_pair getFullScalarRange() const;
        double_pair getInitialWindowRange() const;
        bool hasValidInitialWindow() const;
        double_pair guessMRRange() const;
        double_pair guessCTRange() const;
        double_pair ensureNonZeroRoundedRange(double_pair range) const;
        bool isUnsignedChar() const;
        bool looksLikeBinaryImage() const;
};


} // namespace cx


#endif // CXIMAGEDEFAULTTFGENERATOR_H