qwt3d_drawable.h

#ifndef QWT3D_DRAWABLE_H
#define QWT3D_DRAWABLE_H
 
#include "qwt3d_global.h"
#include "qwt3d_types.h"
#include "qwt3d_io_gl2ps.h"
 
namespace Qwt3D
{
 
class QWT3D_EXPORT Drawable
{
    QWT_DECLARE_PRIVATE(Drawable)
 
public:
    virtual ~Drawable() = 0;
 
    virtual void draw();
 
    virtual void saveGLState();
    virtual void restoreGLState();
 
    void attach(Drawable*);
    void detach(Drawable*);
    void detachAll();
 
    virtual void setColor(double r, double g, double b, double a = 1);
    virtual void setColor(Qwt3D::RGBA rgba);
    Qwt3D::Triple relativePosition(Qwt3D::Triple rel);
 
protected:
    Qwt3D::RGBA color;
    void Enable(GLenum what, GLboolean val);
    Qwt3D::Triple ViewPort2World(Qwt3D::Triple win, bool* err = nullptr);
    Qwt3D::Triple World2ViewPort(Qwt3D::Triple obj, bool* err = nullptr);
 
    Drawable();
    Drawable(Drawable&& other) noexcept;
    Drawable& operator=(Drawable&& other) noexcept;
 
    GLdouble modelMatrix[ 16 ];
    GLdouble projMatrix[ 16 ];
    GLint viewport[ 4 ];
};
 
}  // ns
 
#endif