1 /*
2 * Perspective line for 3D perspectives
3 *
4 * Authors:
5 * Maximilian Albert <Anhalter42@gmx.de>
6 *
7 * Copyright (C) 2007 authors
8 *
9 * Released under GNU GPL, read the file 'COPYING' for more information
10 */
12 #ifndef SEEN_PERSPECTIVE_LINE_H
13 #define SEEN_PERSPECTIVE_LINE_H
15 #include "line-geometry.h"
16 #include <glib.h>
18 class SPDesktop;
20 namespace Box3D {
22 class PerspectiveLine : public Box3D::Line {
23 public:
24 /**
25 * Create a perspective line starting at 'pt' and pointing in the direction of the
26 * vanishing point corresponding to 'axis'. If the VP has style VP_FINITE then the
27 * PL runs through it; otherwise it has the direction specified by the v_dir vector
28 * of the VP.
29 */
30 PerspectiveLine (Geom::Point const &pt, Proj::Axis const axis, Persp3D *persp);
32 private:
33 Proj::Axis vp_dir; // direction of the associated VP
34 Persp3D *persp;
35 };
38 } // namespace Box3D
41 #endif /* !SEEN_PERSPECTIVE_LINE_H */
43 /*
44 Local Variables:
45 mode:c++
46 c-file-style:"stroustrup"
47 c-file-offsets:((innamespace . 0)(inline-open . 0))
48 indent-tabs-mode:nil
49 fill-column:99
50 End:
51 */
52 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :