perspective3d.h revision fcb73bdf080e1820499c5bd5c0aaf818dba78c06
/*
* Class modelling a 3D perspective
*
* Authors:
* Maximilian Albert <Anhalter42@gmx.de>
*
* Copyright (C) 2007 authors
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#ifndef SEEN_PERSPECTIVE3D_H
#define SEEN_PERSPECTIVE3D_H
#include "vanishing-point.h"
class SP3DBox;
namespace Box3D {
class PerspectiveLine;
class Perspective3D {
public:
Perspective3D(VanishingPoint const &pt_x, VanishingPoint const &pt_y, VanishingPoint const &pt_z);
Perspective3D(Perspective3D &other);
~Perspective3D();
VanishingPoint *get_vanishing_point (Box3D::Axis const dir);
void set_vanishing_point (Box3D::Axis const dir, VanishingPoint const &pt);
void add_box (SP3DBox *box);
void remove_box (const SP3DBox *box);
bool has_box (const SP3DBox *box);
static Perspective3D * current_perspective; // should current_perspective be moved to desktop.h?
SPDesktop * desktop; // we need to store the perspective's desktop to be able to access it in the destructor
private:
VanishingPoint *vp_x;
VanishingPoint *vp_y;
VanishingPoint *vp_z;
GSList * boxes; // holds a list of boxes sharing this specific perspective
};
Perspective3D * get_persp_of_box (const SP3DBox *box);
NR::Point perspective_intersection (NR::Point pt1, Box3D::Axis dir1, NR::Point pt2, Box3D::Axis dir2, Perspective3D *persp);
NR::Point perspective_line_snap (NR::Point pt, Box3D::Axis dir, NR::Point ext_pt, Perspective3D *persp);
} // namespace Box3D
/** A function to print out the VanishingPoint (prints the coordinates) **/
/***
inline std::ostream &operator<< (std::ostream &out_file, const VanishingPoint &vp) {
out_file << vp;
return out_file;
}
***/
#endif /* !SEEN_PERSPECTIVE3D_H */
/*
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*/
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