cxUnsignedDerivedImage.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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   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 CXUNSIGNEDDERIVEDIMAGE_H_
#define CXUNSIGNEDDERIVEDIMAGE_H_

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

#include "cxImage.h"

#define CALL_IN_WEAK_PTR(weak_base, func, defarg)       \
{                                                       \
    ImagePtr base = weak_base.lock();                   \
    if (!base)                                          \
        return defarg;                                  \
    return base->func();                                \
}

namespace cx
{
struct CoordinateSystem;

class cxResource_EXPORT UnsignedDerivedImage : public Image
{
    Q_OBJECT
public:
    static ImagePtr create(ImagePtr base);


    virtual RegistrationHistoryPtr get_rMd_History() { CALL_IN_WEAK_PTR(mBase, get_rMd_History, RegistrationHistoryPtr()); }
//    virtual QString getUid() const                   { CALL_IN_WEAK_PTR(mBase, getUid, QString()); }
    virtual QString getName() const                  { CALL_IN_WEAK_PTR(mBase, getName, QString()); }
        virtual QString getFilename() const              { CALL_IN_WEAK_PTR(mBase, getFilename, QString()); }
    virtual Transform3D get_rMd() const              { CALL_IN_WEAK_PTR(mBase, get_rMd, Transform3D()); }
    virtual Image::ShadingStruct getShading() const  { CALL_IN_WEAK_PTR(mBase, getShading, Image::ShadingStruct()); }
    virtual QDateTime getAcquisitionTime() const     { CALL_IN_WEAK_PTR(mBase, getAcquisitionTime, QDateTime()); }
    virtual QString getType() const                  { CALL_IN_WEAK_PTR(mBase, getType, QString()); }
    virtual QString getSpace()                       { CALL_IN_WEAK_PTR(mBase, getSpace, QString()); }
    virtual QString getParentSpace()                 { CALL_IN_WEAK_PTR(mBase, getParentSpace, QString()); }
    virtual DoubleBoundingBox3D boundingBox() const  { CALL_IN_WEAK_PTR(mBase, boundingBox, DoubleBoundingBox3D()); }
        virtual CoordinateSystem getCoordinateSystem();

    virtual QString getModality() const              { CALL_IN_WEAK_PTR(mBase, getModality, QString()); }
    virtual QString getImageType() const             { CALL_IN_WEAK_PTR(mBase, getImageType, QString()); }

private slots:
    void unsignedTransferFunctionsChangedSlot();
    void unsignedImageChangedSlot();
    void testSlot();

private:
    UnsignedDerivedImage(ImagePtr base);
    int findShift();
    vtkImageDataPtr convertImage();
    void convertTransferFunctions();

    boost::weak_ptr<Image> mBase;
};

}
#endif // CXUNSIGNEDDERIVEDIMAGE_H_