box.h

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#ifndef BOX_H
#define BOX_H

#include "sceneobject.h"

#include <QOpenGLBuffer>

namespace LangmuirView {

class Box : public SceneObject
{
    Q_OBJECT
public:
    explicit Box(LangmuirViewer &viewer, QObject *parent = 0);

    ~Box();

    enum Face {
        None  =  1, 
        North =  2, 
        South =  4, 
        East  =  8, 
        West  = 16, 
        Front = 32, 
        Back  = 64, 
        All   = North | South | East | West | Front | Back 
    };
    Q_DECLARE_FLAGS(Faces, Face)
    Q_FLAGS(Faces)

    const QColor& getColor() const;

    int getXSize() const;

    int getYSize() const;

    int getZSize() const;

    bool imageIsOn() const;

signals:
    void colorChanged(QColor color);

    void sizeChanged(double xvalue, double yvalue, double zvalue);

    void imageOnChanged(bool drawn);

    void facesChanged(Faces faces);

    void textureChanged(GLuint imageID);

public slots:
    virtual void makeConnections();

    void setColor(QColor color);

    void setSize(double xvalue, double yvalue, double zvalue, unsigned int tesselate_x = 10,
                 unsigned int tesselate_y = 10, unsigned int tesselate_z = 10);

    void setFaces(Faces faces);

    void showImage(bool on=true);

    void toggleImage();

    void setTexture(GLuint imageID);

protected:
    virtual void init();

    virtual void buildGeometry(unsigned int tesselate_x, unsigned int tesselate_y, unsigned int tesselate_z);

    virtual void draw();

    QColor m_color;

    double m_xsize;

    double m_ysize;

    double m_zsize;

    double m_halfXSize;

    double m_halfYSize;

    double m_halfZSize;

    GLuint m_imageID;

    bool   m_imageOn;

    Faces  m_faces;

    QOpenGLBuffer *m_verticesVBO;

    QOpenGLBuffer *m_normalsVBO;

    QOpenGLBuffer *m_texturesVBO;

    QOpenGLBuffer *m_indexVBO;

    unsigned int m_numVertices;

    unsigned int m_numIndices;
};

Q_DECLARE_OPERATORS_FOR_FLAGS(Box::Faces)

}

#endif // BOX_H