ecvClipBox.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
// Local
#include "ecvBBox.h"
#include "ecvGenericPointCloud.h"
#include "ecvHObject.h"
#include "ecvInteractor.h"
 
// Qt
#include <QObject>
 
class CV_DB_LIB_API ccClipBox : public QObject,
                                public ccHObject,
                                public ccInteractor {
    Q_OBJECT
 
public:
    ccClipBox(QString name = QString("Clipping box"));
 
    ~ccClipBox() override;
 
 
    bool addAssociatedEntity(ccHObject* associatedEntity);
 
 
    void releaseAssociatedEntities();
 
    // inherited from ccHObject
    ccBBox getOwnBB(bool withGLFeatures = false) override;
 
    // inherited from ccInteractor
    bool move2D(int x, int y, int dx, int dy, int screenWidth, int screenHeight)
            override;
    bool move3D(const CCVector3d& u) override;
 
    void setClickedPoint(int x,
                         int y,
                         int screenWidth,
                         int screenHeight,
                         const ccGLMatrixd& viewMatrix);
 
    enum Components {
        NONE = 0,
        X_MINUS_ARROW = 1,
        X_PLUS_ARROW = 2,
        Y_MINUS_ARROW = 3,
        Y_PLUS_ARROW = 4,
        Z_MINUS_ARROW = 5,
        Z_PLUS_ARROW = 6,
        CROSS = 7,
        SPHERE = 8,
        X_MINUS_TORUS = 9,
        Y_MINUS_TORUS = 10,
        Z_MINUS_TORUS = 11,
        X_PLUS_TORUS = 12,
        Y_PLUS_TORUS = 13,
        Z_PLUS_TORUS = 14,
    };
 
 
    void setActiveComponent(int id);
 
    // inherited from ccHObject
    inline CV_CLASS_ENUM getClassID() const override {
        return CV_TYPES::CLIPPING_BOX;
    }
 
    inline const ccBBox& getBox() const { return m_box; }
 
    inline void showBox(bool state) { m_showBox = state; }
 
    void setBox(const ccBBox& box);
 
    void shift(const CCVector3& v);
 
 
    void flagPointsInside(ccGenericPointCloud* cloud,
                          ccGenericPointCloud::VisibilityTableType* visTable,
                          bool shrink = false) const;
 
    void reset();
 
    void set(const ccBBox& extents, const ccGLMatrix& transformation);
 
    void get(ccBBox& extents, ccGLMatrix& transformation);
 
    inline const ccHObject& getContainer() const { return m_entityContainer; }
 
signals:
 
    void boxModified(const ccBBox* box);
 
protected:  // methods
    void update();
 
    // inherited from ccHObject
    void drawMeOnly(CC_DRAW_CONTEXT& context) override;
 
    PointCoordinateType computeArrowsScale();
 
    void releaseAllInterators();
    void hideShowAllInterators(bool visibility);
 
    void getInteractorIds(QStringList& removeViewIds);
 
protected:  // members
    ccHObject m_entityContainer;
 
    ccBBox m_box;
 
    bool m_showBox;
 
    Components m_activeComponent;
 
    CCVector3d m_lastOrientation;
 
    ccGLMatrixd m_viewMatrix;
};