cvCustomAxisHandleRepresentation.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
//
// Custom handle representation that supports custom translation axis
// This backports VTK 9.3+ functionality to VTK 9.2 and earlier
 
#ifndef cvCustomAxisHandleRepresentation_h
#define cvCustomAxisHandleRepresentation_h
 
#include <vtkPointHandleRepresentation3D.h>
#include <vtkVersion.h>
 
class cvCustomAxisHandleRepresentation : public vtkPointHandleRepresentation3D {
public:
    static cvCustomAxisHandleRepresentation* New();
    vtkTypeMacro(cvCustomAxisHandleRepresentation,
                 vtkPointHandleRepresentation3D);
    void PrintSelf(ostream& os, vtkIndent indent) override;
 
#if !((VTK_MAJOR_VERSION > 9) || \
      (VTK_MAJOR_VERSION == 9 && VTK_MINOR_VERSION >= 3))
    // These methods are only needed for VTK < 9.3
    // In VTK 9.3+, the base class already has these
 
    void SetCustomTranslationAxisOn();
 
    void SetCustomTranslationAxisOff();
 
    void SetCustomTranslationAxis(double axis[3]);
    void SetCustomTranslationAxis(double x, double y, double z);
 
    vtkGetVector3Macro(CustomTranslationAxis, double);
 
    bool IsCustomAxisEnabled() const { return this->CustomAxisEnabled; }
 
    void GetTranslationVector(const double* p1,
                              const double* p2,
                              double* v) const override;
 
    void Translate(const double* p1, const double* p2) override;
    void Translate(const double* v) override;
 
protected:
    cvCustomAxisHandleRepresentation();
    ~cvCustomAxisHandleRepresentation() override;
 
    bool CustomAxisEnabled;
    double CustomTranslationAxis[3];
 
#else
    // For VTK 9.3+, just forward to base class methods
    void SetCustomTranslationAxisOn() {
        this->Superclass::SetCustomTranslationAxisOn();
    }
 
    void SetCustomTranslationAxisOff() {
        this->Superclass::SetTranslationAxisOff();
    }
 
    void SetCustomTranslationAxis(double axis[3]) {
        this->Superclass::SetCustomTranslationAxis(axis);
    }
 
    void SetCustomTranslationAxis(double x, double y, double z) {
        double axis[3] = {x, y, z};
        this->Superclass::SetCustomTranslationAxis(axis);
    }
 
protected:
    cvCustomAxisHandleRepresentation() {}
    ~cvCustomAxisHandleRepresentation() override {}
#endif
 
private:
    cvCustomAxisHandleRepresentation(const cvCustomAxisHandleRepresentation&) =
            delete;
    void operator=(const cvCustomAxisHandleRepresentation&) = delete;
};
 
#endif  // cvCustomAxisHandleRepresentation_h