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fisheyeLens.h
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1/**
2 * PANDA 3D SOFTWARE
3 * Copyright (c) Carnegie Mellon University. All rights reserved.
4 *
5 * All use of this software is subject to the terms of the revised BSD
6 * license. You should have received a copy of this license along
7 * with this source code in a file named "LICENSE."
8 *
9 * @file fisheyeLens.h
10 * @author drose
11 * @date 2001-12-12
12 */
13
14#ifndef FISHEYELENS_H
15#define FISHEYELENS_H
16
17#include "pandabase.h"
18
19#include "lens.h"
20
21/**
22 * A fisheye lens. This nonlinear lens introduces a spherical distortion to
23 * the image, which is minimal at small angles from the lens, and increases at
24 * larger angles from the lens. The field of view may extend to 360 degrees.
25 */
26class EXPCL_PANDAFX FisheyeLens : public Lens {
27PUBLISHED:
28 INLINE FisheyeLens();
29
30public:
31 INLINE FisheyeLens(const FisheyeLens &copy);
32 INLINE void operator = (const FisheyeLens &copy);
33
34public:
35 virtual PT(Lens) make_copy() const;
36
37protected:
38 virtual bool do_extrude(const Lens::CData *lens_cdata, const LPoint3 &point2d,
39 LPoint3 &near_point, LPoint3 &far_point) const;
40 virtual bool do_extrude_vec(const Lens::CData *lens_cdata, const LPoint3 &point2d,
41 LVector3 &vec) const;
42 virtual bool do_project(const Lens::CData *lens_cdata,
43 const LPoint3 &point3d, LPoint3 &point2d) const;
44
45 virtual PN_stdfloat fov_to_film(PN_stdfloat fov, PN_stdfloat focal_length, bool horiz) const;
46 virtual PN_stdfloat fov_to_focal_length(PN_stdfloat fov, PN_stdfloat film_size, bool horiz) const;
47 virtual PN_stdfloat film_to_fov(PN_stdfloat film_size, PN_stdfloat focal_length, bool horiz) const;
48
49public:
50 virtual TypeHandle get_type() const {
51 return get_class_type();
52 }
53 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
54 static TypeHandle get_class_type() {
55 return _type_handle;
56 }
57 static void init_type() {
58 Lens::init_type();
59 register_type(_type_handle, "FisheyeLens",
60 Lens::get_class_type());
61 }
62
63private:
64 static TypeHandle _type_handle;
65};
66
67#include "fisheyeLens.I"
68
69#endif
A fisheye lens.
Definition fisheyeLens.h:26
A base class for any number of different kinds of lenses, linear and otherwise.
Definition lens.h:41
TypeHandle is the identifier used to differentiate C++ class types.
Definition typeHandle.h:81
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
void register_type(TypeHandle &type_handle, const std::string &name)
This inline function is just a convenient way to call TypeRegistry::register_type(),...