cvHardwareSelector.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#ifndef cvHardwareSelector_h
#define cvHardwareSelector_h
 
#include <vtkOpenGLHardwareSelector.h>
#include <vtkTimeStamp.h>
 
#include <map>
 
#include "qPCL.h"
 
class vtkProp;
class vtkRenderer;
 
class QPCL_ENGINE_LIB_API cvHardwareSelector
    : public vtkOpenGLHardwareSelector {
public:
    static cvHardwareSelector* New();
    vtkTypeMacro(cvHardwareSelector, vtkOpenGLHardwareSelector);
    void PrintSelf(ostream& os, vtkIndent indent) override;
 
    virtual vtkSelection* Select(int region[4]);
 
    vtkSelection* PolygonSelect(int* polygonPoints, vtkIdType count);
 
    virtual bool NeedToRenderForSelection();
 
    void InvalidateCachedSelection() { this->Modified(); }
 
    int AssignUniqueId(vtkProp* prop);
 
 
    vtkSetMacro(PointPickingRadius, unsigned int);
    vtkGetMacro(PointPickingRadius, unsigned int);
 
    // Fixes a -Woverloaded-virtual warning
    using vtkOpenGLHardwareSelector::BeginRenderProp;
 
    void BeginRenderProp(vtkRenderWindow* rw) override;
 
    void BeginSelection() override;
 
    void EndSelection() override;
 
protected:
    cvHardwareSelector();
    ~cvHardwareSelector() override;
 
    int GetPropID(int idx, vtkProp* prop) override;
 
    bool PassRequired(int pass) override;
 
    bool PrepareSelect();
 
    void SavePixelBuffer(int passNo) override;
 
    vtkTimeStamp CaptureTime;
 
    int UniqueId;
 
    unsigned int PointPickingRadius;
 
private:
    cvHardwareSelector(const cvHardwareSelector&) = delete;
    void operator=(const cvHardwareSelector&) = delete;
 
    std::map<void*, int> PropMap;
};
 
#endif  // cvHardwareSelector_h