ecvGenericPrimitive.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
// Local
#include "ecvMesh.h"
 
class ccPointCloud;
 
class CV_DB_LIB_API ccGenericPrimitive : public ccMesh {
public:
 
    ccGenericPrimitive(QString name = QString(),
                       const ccGLMatrix* transMat = nullptr);
 
    virtual QString getTypeName() const = 0;
 
    virtual ccGenericPrimitive* clone() const = 0;
 
    inline CV_CLASS_ENUM getClassID() const override {
        return CV_TYPES::PRIMITIVE;
    }
 
 
    virtual void setColor(const ecvColor::Rgb& col);
 
 
    const ccGenericPrimitive& operator+=(const ccGenericPrimitive& prim);
 
    virtual inline bool hasDrawingPrecision() const { return false; }
 
 
    static const int MIN_DRAWING_PRECISION = 4;
 
 
    virtual bool setDrawingPrecision(unsigned steps);
 
    virtual inline unsigned getDrawingPrecision() const {
        return m_drawPrecision;
    }
 
    virtual inline ccGLMatrix& getTransformation() { return m_transformation; }
 
    virtual inline const ccGLMatrix& getTransformation() const {
        return m_transformation;
    }
 
    const ccGLMatrix& getGLTransformationHistory() const override;
 
    virtual void clearDrawings();
    virtual void hideShowDrawings(CC_DRAW_CONTEXT& context);
 
protected:
    void applyGLTransformation(const ccGLMatrix& trans) override;
 
    // inherited from ccMesh
    bool toFile_MeOnly(QFile& out, short dataVersion) const override;
    short minimumFileVersion_MeOnly() const override;
    bool fromFile_MeOnly(QFile& in,
                         short dataVersion,
                         int flags,
                         LoadedIDMap& oldToNewIDMap) override;
 
 
    virtual bool buildUp() = 0;
 
 
    virtual bool updateRepresentation();
 
 
    bool init(unsigned vertCount,
              bool vertNormals,
              unsigned faceCount,
              unsigned faceNormCount);
 
 
    void applyTransformationToVertices();
 
 
    ccGenericPrimitive* finishCloneJob(ccGenericPrimitive* primitive) const;
 
    ccPointCloud* vertices();
 
 
    ccGLMatrix m_transformation;
 
    unsigned m_drawPrecision;
};