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Lens Class Reference

#include <lens.h>

Inheritance diagram for Lens:


Public Types
enum	FromCorners { FC_roll = 0x0001, FC_camera_plane = 0x0002, FC_off_axis = 0x0004, FC_aspect_ratio = 0x0008, FC_shear = 0x0010 }
Public Member Functions
	Lens ()
	Lens (const Lens &copy)
void	operator= (const Lens &copy)
INLINE bool	extrude (const LPoint2f &point2d, LPoint3f &near_point, LPoint3f &far_point) const
INLINE bool	extrude (const LPoint3f &point2d, LPoint3f &near_point, LPoint3f &far_point) const
INLINE bool	project (const LPoint3f &point3d, LPoint3f &point2d) const
INLINE bool	project (const LPoint3f &point3d, LPoint2f &point2d) const
INLINE void	set_change_event (const string &event)
INLINE const string &	get_change_event () const
void	set_coordinate_system (CoordinateSystem cs)
INLINE CoordinateSystem	get_coordinate_system () const
void	clear ()
void	set_film_size (float width)
INLINE void	set_film_size (float width, float height)
void	set_film_size (const LVecBase2f &film_size)
const LVecBase2f &	get_film_size () const
INLINE void	set_film_offset (float x, float y)
INLINE void	set_film_offset (const LVecBase2f &film_offset)
INLINE const LVector2f &	get_film_offset () const
void	set_focal_length (float focal_length)
float	get_focal_length () const
void	set_fov (float fov)
INLINE void	set_fov (float hfov, float vfov)
void	set_fov (const LVecBase2f &fov)
const LVecBase2f &	get_fov () const
INLINE float	get_hfov () const
INLINE float	get_vfov () const
void	set_aspect_ratio (float aspect_ratio)
float	get_aspect_ratio () const
INLINE void	set_near (float near_distance)
INLINE float	get_near () const
INLINE void	set_far (float far_distance)
INLINE float	get_far () const
INLINE void	set_near_far (float near_distance, float far_distance)
INLINE void	set_view_hpr (float h, float p, float r)
void	set_view_hpr (const LVecBase3f &view_hpr)
const LVecBase3f &	get_view_hpr () const
INLINE void	set_view_vector (float x, float y, float z, float i, float j, float k)
void	set_view_vector (const LVector3f &view_vector, const LVector3f &up_vector)
const LVector3f &	get_view_vector () const
const LVector3f &	get_up_vector () const
LPoint3f	get_nodal_point () const
void	set_iod_offset (float offset)
float	get_iod_offset () const
void	set_view_mat (const LMatrix4f &view_mat)
const LMatrix4f &	get_view_mat () const
void	set_frustum_from_corners (const LVecBase3f &ul, const LVecBase3f &ur, const LVecBase3f &ll, const LVecBase3f &lr, int flags)
void	recompute_all ()
virtual bool	is_linear () const
virtual	PT (Geom) make_geometry()
virtual	PT (BoundingVolume) make_bounds() const
const LMatrix4f &	get_projection_mat () const
const LMatrix4f &	get_projection_mat_inv () const
virtual void	output (ostream &out) const
virtual void	write (ostream &out, int indent_level=0) const
INLINE const UpdateSeq &	get_last_change () const
virtual TypeHandle	get_type () const
virtual TypeHandle	force_init_type ()
Static Public Member Functions
float	get_default_near ()
float	get_default_far ()
TypeHandle	get_class_type ()
void	init_type ()
Public Attributes
PUBLISHED	__pad0__: virtual PT(Lens) make_copy() const=0
Protected Types
enum	UserFlags { UF_film_width = 0x0001, UF_film_height = 0x0002, UF_focal_length = 0x0004, UF_hfov = 0x0008, UF_vfov = 0x0010, UF_aspect_ratio = 0x0020, UF_view_hpr = 0x0040, UF_view_vector = 0x0080, UF_iod_offset = 0x0100, UF_view_mat = 0x0200 }
enum	CompFlags { CF_film_mat = 0x0001, CF_film_mat_inv = 0x0002, CF_lens_mat = 0x0004, CF_lens_mat_inv = 0x0008, CF_projection_mat = 0x0010, CF_projection_mat_inv = 0x0020, CF_mat = 0x003f, CF_focal_length = 0x0040, CF_fov = 0x0080, CF_film_size = 0x0100, CF_aspect_ratio = 0x0200, CF_view_hpr = 0x0400, CF_view_vector = 0x0800, CF_iod_offset = 0x1000 }
Protected Member Functions
INLINE void	adjust_user_flags (int clear_flags, int set_flags)
INLINE void	adjust_comp_flags (int clear_flags, int set_flags)
void	throw_change_event ()
const LMatrix4f &	get_film_mat () const
const LMatrix4f &	get_film_mat_inv () const
const LMatrix4f &	get_lens_mat () const
const LMatrix4f &	get_lens_mat_inv () const
virtual bool	extrude_impl (const LPoint3f &point2d, LPoint3f &near_point, LPoint3f &far_point) const
virtual bool	project_impl (const LPoint3f &point3d, LPoint3f &point2d) const
virtual void	compute_film_size ()
virtual void	compute_focal_length ()
virtual void	compute_fov ()
virtual void	compute_aspect_ratio ()
virtual void	compute_view_hpr ()
virtual void	compute_view_vector ()
virtual void	compute_iod_offset ()
virtual void	compute_projection_mat ()
virtual void	compute_film_mat ()
virtual void	compute_lens_mat ()
virtual float	fov_to_film (float fov, float focal_length, bool horiz) const
virtual float	fov_to_focal_length (float fov, float film_size, bool horiz) const
virtual float	film_to_fov (float film_size, float focal_length, bool horiz) const
Protected Attributes
string	_change_event
UpdateSeq	_last_change
CoordinateSystem	_cs
LVecBase2f	_film_size
LVector2f	_film_offset
float	_focal_length
LVecBase2f	_fov
float	_aspect_ratio
float	_near_distance
float	_far_distance
LVecBase3f	_view_hpr
LVector3f	_view_vector
LVector3f	_up_vector
float	_iod_offset
LMatrix4f	_film_mat
LMatrix4f	_film_mat_inv
LMatrix4f	_lens_mat
LMatrix4f	_lens_mat_inv
LMatrix4f	_projection_mat
LMatrix4f	_projection_mat_inv
short	_user_flags
short	_comp_flags
char	_focal_length_seq
char	_fov_seq
char	_film_size_seq
PTA_Vertexf	_geom_coords
Static Protected Attributes
const float	_default_fov = 40.0f
Private Member Functions
int	define_geom_coords ()
Static Private Member Functions
void	resequence_fov_triad (char &newest, char &older_a, char &older_b)
void	build_shear_mat (LMatrix4f &shear_mat, const LPoint3f &cul, const LPoint3f &cur, const LPoint3f &cll, const LPoint3f &clr)
float	sqr_dist_to_line (const LPoint3f &point, const LPoint3f &origin, const LVector3f &vec)
Static Private Attributes
TypeHandle	_type_handle

Member Enumeration Documentation

enum Lens::CompFlags [protected]

Enumeration values:

CF_film_mat

CF_film_mat_inv

CF_lens_mat

CF_lens_mat_inv

CF_projection_mat

CF_projection_mat_inv

CF_mat

CF_focal_length

CF_fov

CF_film_size

CF_aspect_ratio

CF_view_hpr

CF_view_vector

CF_iod_offset

Definition at line 216 of file lens.h.

enum Lens::FromCorners

Enumeration values:

FC_roll

FC_camera_plane

FC_off_axis

FC_aspect_ratio

FC_shear

Definition at line 115 of file lens.h.

enum Lens::UserFlags [protected]

Enumeration values:

UF_film_width

UF_film_height

UF_focal_length

UF_hfov

UF_vfov

UF_aspect_ratio

UF_view_hpr

UF_view_vector

UF_iod_offset

UF_view_mat

Definition at line 202 of file lens.h.

Constructor & Destructor Documentation

Lens::Lens ( )

Definition at line 39 of file lens.cxx.
References clear().

Lens::Lens ( const Lens & copy )

Definition at line 49 of file lens.cxx.

Member Function Documentation

INLINE void Lens::adjust_comp_flags ( int clear_flags,

int set_flags

) [protected]

Referenced by compute_aspect_ratio(), compute_film_mat(), compute_film_size(), compute_focal_length(), compute_fov(), compute_iod_offset(), compute_lens_mat(), PerspectiveLens::compute_projection_mat(), OrthographicLens::compute_projection_mat(), MatrixLens::compute_projection_mat(), compute_projection_mat(), compute_view_hpr(), compute_view_vector(), get_film_mat_inv(), get_lens_mat_inv(), get_projection_mat_inv(), set_aspect_ratio(), set_coordinate_system(), set_film_size(), set_focal_length(), set_fov(), set_iod_offset(), set_view_hpr(), set_view_mat(), and set_view_vector().

INLINE void Lens::adjust_user_flags ( int clear_flags,

int set_flags

) [protected]

Referenced by set_aspect_ratio(), set_film_size(), set_focal_length(), set_fov(), set_iod_offset(), set_view_hpr(), set_view_mat(), and set_view_vector().

void Lens::build_shear_mat ( LMatrix4f & shear_mat,

const LPoint3f & cul,

const LPoint3f & cur,

const LPoint3f & cll,

const LPoint3f & clr

) [static, private]

Definition at line 1571 of file lens.cxx.
References a, b, csqrt(), length, points, sqr_dist_to_line(), t, and v.
Referenced by set_frustum_from_corners().

void Lens::clear ( )

Definition at line 96 of file lens.cxx.
References _aspect_ratio, _change_event, _comp_flags, _cs, _default_fov, _far_distance, _film_offset, _film_size, _film_size_seq, _focal_length, _focal_length_seq, _fov, _fov_seq, _iod_offset, _near_distance, _up_vector, _user_flags, _view_hpr, _view_vector, CF_fov, CS_default, default_far, and default_near.
Referenced by Lens().

void Lens::compute_aspect_ratio ( ) [protected, virtual]

Definition at line 1256 of file lens.cxx.
References _aspect_ratio, _user_flags, adjust_comp_flags(), CF_aspect_ratio, get_film_size(), and UF_aspect_ratio.
Referenced by set_film_size(), and set_fov().

void Lens::compute_film_mat ( ) [protected, virtual]

Definition at line 1336 of file lens.cxx.
References _film_mat, adjust_comp_flags(), CF_film_mat, CF_film_mat_inv, get_film_offset(), and get_film_size().

void Lens::compute_film_size ( ) [protected, virtual]

Definition at line 1164 of file lens.cxx.
References _aspect_ratio, _comp_flags, _film_size, _focal_length, _fov, _user_flags, adjust_comp_flags(), CF_film_size, CF_focal_length, fov_to_film(), fov_to_focal_length(), UF_aspect_ratio, UF_film_height, UF_film_width, UF_focal_length, UF_hfov, and UF_vfov.

void Lens::compute_focal_length ( ) [protected, virtual]

Definition at line 1207 of file lens.cxx.
References _focal_length, _user_flags, adjust_comp_flags(), CF_focal_length, fov_to_focal_length(), get_film_size(), get_fov(), and UF_focal_length.

void Lens::compute_fov ( ) [protected, virtual]

Definition at line 1224 of file lens.cxx.
References _comp_flags, _default_fov, _focal_length, _fov, _user_flags, adjust_comp_flags(), CF_focal_length, CF_fov, film_to_fov(), fov_to_focal_length(), get_film_size(), UF_focal_length, UF_hfov, and UF_vfov.

void Lens::compute_iod_offset ( ) [protected, virtual]

Definition at line 1306 of file lens.cxx.
References _cs, _iod_offset, _user_flags, adjust_comp_flags(), CF_iod_offset, get_lens_mat_inv(), and UF_iod_offset.

void Lens::compute_lens_mat ( ) [protected, virtual]

Definition at line 1370 of file lens.cxx.
References _cs, _iod_offset, _lens_mat, _up_vector, _user_flags, _view_hpr, _view_vector, adjust_comp_flags(), CF_lens_mat, CF_lens_mat_inv, compose_matrix(), look_at(), UF_iod_offset, UF_view_hpr, UF_view_mat, and UF_view_vector.

void Lens::compute_projection_mat ( ) [protected, virtual]

Reimplemented in MatrixLens, OrthographicLens, and PerspectiveLens.
Definition at line 1323 of file lens.cxx.
References _projection_mat, _projection_mat_inv, adjust_comp_flags(), CF_projection_mat, and CF_projection_mat_inv.

void Lens::compute_view_hpr ( ) [protected, virtual]

Definition at line 1275 of file lens.cxx.
References _cs, _user_flags, _view_hpr, adjust_comp_flags(), CF_view_hpr, decompose_matrix(), get_view_mat(), scale, and UF_view_hpr.

void Lens::compute_view_vector ( ) [protected, virtual]

Definition at line 1290 of file lens.cxx.
References _cs, _up_vector, _user_flags, _view_vector, adjust_comp_flags(), CF_view_vector, get_view_mat(), and UF_view_vector.

int Lens::define_geom_coords ( ) [private]

Definition at line 1494 of file lens.cxx.
References _cs, _far_distance, _geom_coords, _near_distance, extrude(), get_lens_mat(), is_linear(), PointerToArray< Vertexf >::push_back(), t, and PointerToArray< Vertexf >::v().
Referenced by throw_change_event().

INLINE bool Lens::extrude ( const LPoint3f & point2d,

LPoint3f & near_point,

LPoint3f & far_point

) const

INLINE bool Lens::extrude ( const LPoint2f & point2d,

LPoint3f & near_point,

LPoint3f & far_point

) const

Referenced by define_geom_coords(), PT(), CollisionSegment::set_from_lens(), and CollisionRay::set_from_lens().

bool Lens::extrude_impl ( const LPoint3f & point2d,

LPoint3f & near_point,

LPoint3f & far_point

) const [protected, virtual]

Reimplemented in CylindricalLens, FisheyeLens, and PSphereLens.
Definition at line 1098 of file lens.cxx.
References get_projection_mat_inv().

float Lens::film_to_fov ( float film_size,

float focal_length,

bool horiz

) const [protected, virtual]

Reimplemented in CylindricalLens, FisheyeLens, PSphereLens, and PerspectiveLens.
Definition at line 1431 of file lens.cxx.
References _default_fov.
Referenced by compute_fov().

virtual TypeHandle Lens::force_init_type ( void ) [inline, virtual]

Reimplemented from TypedReferenceCount.
Reimplemented in CylindricalLens, FisheyeLens, PSphereLens, MatrixLens, OrthographicLens, and PerspectiveLens.
Definition at line 251 of file lens.h.
References ReferenceCount::get_class_type(), and TypedReferenceCount::init_type().

float Lens::fov_to_film ( float fov,

float focal_length,

bool horiz

) const [protected, virtual]

Reimplemented in CylindricalLens, FisheyeLens, PSphereLens, and PerspectiveLens.
Definition at line 1403 of file lens.cxx.
Referenced by compute_film_size().

float Lens::fov_to_focal_length ( float fov,

float film_size,

bool horiz

) const [protected, virtual]

Reimplemented in CylindricalLens, FisheyeLens, PSphereLens, and PerspectiveLens.
Definition at line 1417 of file lens.cxx.
Referenced by compute_film_size(), compute_focal_length(), and compute_fov().

float Lens::get_aspect_ratio ( ) const

Definition at line 383 of file lens.cxx.
References _aspect_ratio, _comp_flags, and CF_aspect_ratio.
Referenced by set_film_size(), and set_frustum_from_corners().

INLINE const string& Lens::get_change_event ( ) const

TypeHandle Lens::get_class_type ( void ) [inline, static]

Reimplemented from ReferenceCount.
Reimplemented in CylindricalLens, FisheyeLens, PSphereLens, MatrixLens, OrthographicLens, and PerspectiveLens.
Definition at line 252 of file lens.h.
Referenced by PSphereLens::force_init_type(), PerspectiveLens::force_init_type(), OrthographicLens::force_init_type(), MatrixLens::force_init_type(), FisheyeLens::force_init_type(), CylindricalLens::force_init_type(), PSphereLens::get_type(), PerspectiveLens::get_type(), OrthographicLens::get_type(), MatrixLens::get_type(), FisheyeLens::get_type(), CylindricalLens::get_type(), PSphereLens::init_type(), PerspectiveLens::init_type(), OrthographicLens::init_type(), MatrixLens::init_type(), FisheyeLens::init_type(), and CylindricalLens::init_type().

INLINE CoordinateSystem Lens::get_coordinate_system ( ) const

float Lens::get_default_far ( ) [static]

Definition at line 410 of file lens.cxx.
References default_far.
Referenced by WindowFramework::center_trackball().

float Lens::get_default_near ( ) [static]

Definition at line 398 of file lens.cxx.
References default_near.
Referenced by WindowFramework::center_trackball().

INLINE float Lens::get_far ( ) const

Referenced by PerspectiveLens::compute_projection_mat(), PSphereLens::extrude_impl(), FisheyeLens::extrude_impl(), CylindricalLens::extrude_impl(), PSphereLens::project_impl(), FisheyeLens::project_impl(), CylindricalLens::project_impl(), and PT().

const LMatrix4f & Lens::get_film_mat ( ) const [protected]

Definition at line 1025 of file lens.cxx.
References _comp_flags, _film_mat, and CF_film_mat.
Referenced by PerspectiveLens::compute_projection_mat(), OrthographicLens::compute_projection_mat(), MatrixLens::compute_projection_mat(), get_film_mat_inv(), PSphereLens::project_impl(), FisheyeLens::project_impl(), and CylindricalLens::project_impl().

const LMatrix4f & Lens::get_film_mat_inv ( ) const [protected]

Definition at line 1039 of file lens.cxx.
References _comp_flags, _film_mat_inv, adjust_comp_flags(), CF_film_mat_inv, and get_film_mat().
Referenced by PSphereLens::extrude_impl(), FisheyeLens::extrude_impl(), and CylindricalLens::extrude_impl().

INLINE const LVector2f& Lens::get_film_offset ( ) const

Referenced by compute_film_mat().

const LVecBase2f & Lens::get_film_size ( ) const

Definition at line 207 of file lens.cxx.
References _comp_flags, _film_size, and CF_film_size.
Referenced by compute_aspect_ratio(), compute_film_mat(), compute_focal_length(), compute_fov(), set_frustum_from_corners(), and OrthographicLens::write().

float Lens::get_focal_length ( ) const

Definition at line 261 of file lens.cxx.
References _comp_flags, _focal_length, and CF_focal_length.
Referenced by PerspectiveLens::compute_projection_mat(), PSphereLens::extrude_impl(), FisheyeLens::extrude_impl(), CylindricalLens::extrude_impl(), PSphereLens::project_impl(), FisheyeLens::project_impl(), and CylindricalLens::project_impl().

const LVecBase2f & Lens::get_fov ( ) const

Definition at line 349 of file lens.cxx.
References _comp_flags, _fov, and CF_fov.
Referenced by WindowFramework::center_trackball(), compute_focal_length(), and write().

INLINE float Lens::get_hfov ( ) const

Referenced by GLGraphicsStateGuardian::bind_light(), DXGraphicsStateGuardian8::bind_light(), CRGraphicsStateGuardian::bind_light(), and DXGraphicsStateGuardian7::prepare_texture().

float Lens::get_iod_offset ( ) const

Definition at line 534 of file lens.cxx.
References _comp_flags, _iod_offset, and CF_iod_offset.

INLINE const UpdateSeq& Lens::get_last_change ( ) const

const LMatrix4f & Lens::get_lens_mat ( ) const [protected]

Definition at line 1056 of file lens.cxx.
References _comp_flags, _lens_mat, and CF_lens_mat.
Referenced by define_geom_coords(), PSphereLens::extrude_impl(), FisheyeLens::extrude_impl(), CylindricalLens::extrude_impl(), and get_lens_mat_inv().

const LMatrix4f & Lens::get_lens_mat_inv ( ) const [protected]

Definition at line 1070 of file lens.cxx.
References _comp_flags, _lens_mat_inv, adjust_comp_flags(), CF_lens_mat_inv, and get_lens_mat().
Referenced by compute_iod_offset(), PerspectiveLens::compute_projection_mat(), OrthographicLens::compute_projection_mat(), MatrixLens::compute_projection_mat(), PSphereLens::project_impl(), FisheyeLens::project_impl(), CylindricalLens::project_impl(), and set_frustum_from_corners().

INLINE float Lens::get_near ( ) const

Referenced by PerspectiveLens::compute_projection_mat(), PSphereLens::extrude_impl(), FisheyeLens::extrude_impl(), CylindricalLens::extrude_impl(), PSphereLens::project_impl(), FisheyeLens::project_impl(), CylindricalLens::project_impl(), and PT().

LPoint3f Lens::get_nodal_point ( ) const

Definition at line 501 of file lens.cxx.
References get_view_mat().
Referenced by GLGraphicsStateGuardian::bind_light(), DXGraphicsStateGuardian8::bind_light(), CRGraphicsStateGuardian::bind_light(), and DXGraphicsStateGuardian7::prepare_texture().

const LMatrix4f & Lens::get_projection_mat ( ) const

Definition at line 945 of file lens.cxx.
References _comp_flags, _projection_mat, and CF_projection_mat.
Referenced by get_projection_mat_inv(), and project_impl().

const LMatrix4f & Lens::get_projection_mat_inv ( ) const

Definition at line 960 of file lens.cxx.
References _comp_flags, _projection_mat_inv, adjust_comp_flags(), CF_projection_mat_inv, and get_projection_mat().
Referenced by extrude_impl().

virtual TypeHandle Lens::get_type ( void ) const [inline, virtual]

Reimplemented from TypedReferenceCount.
Reimplemented in CylindricalLens, FisheyeLens, PSphereLens, MatrixLens, OrthographicLens, and PerspectiveLens.
Definition at line 248 of file lens.h.
References ReferenceCount::get_class_type().
Referenced by output(), GraphicsEngine::setup_gsg(), and write().

const LVector3f & Lens::get_up_vector ( ) const

Definition at line 487 of file lens.cxx.
References _comp_flags, _up_vector, and CF_view_vector.

INLINE float Lens::get_vfov ( ) const

const LVecBase3f & Lens::get_view_hpr ( ) const

Definition at line 440 of file lens.cxx.
References _comp_flags, _view_hpr, and CF_view_hpr.

const LMatrix4f & Lens::get_view_mat ( ) const

Definition at line 572 of file lens.cxx.
References _comp_flags, _lens_mat, and CF_lens_mat.
Referenced by compute_view_hpr(), compute_view_vector(), and get_nodal_point().

const LVector3f & Lens::get_view_vector ( ) const

Definition at line 473 of file lens.cxx.
References _comp_flags, _view_vector, and CF_view_vector.
Referenced by GLGraphicsStateGuardian::bind_light(), DXGraphicsStateGuardian8::bind_light(), CRGraphicsStateGuardian::bind_light(), and DXGraphicsStateGuardian7::prepare_texture().

void Lens::init_type ( void ) [inline, static]

Reimplemented from TypedReferenceCount.
Reimplemented in CylindricalLens, FisheyeLens, PSphereLens, MatrixLens, OrthographicLens, and PerspectiveLens.
Definition at line 255 of file lens.h.
References TypedObject::get_class_type(), TypedReferenceCount::init_type(), and register_type().
Referenced by ConfigureFn(), PSphereLens::force_init_type(), PerspectiveLens::force_init_type(), OrthographicLens::force_init_type(), MatrixLens::force_init_type(), FisheyeLens::force_init_type(), CylindricalLens::force_init_type(), PSphereLens::init_type(), PerspectiveLens::init_type(), OrthographicLens::init_type(), MatrixLens::init_type(), FisheyeLens::init_type(), and CylindricalLens::init_type().

bool Lens::is_linear ( ) const [virtual]

Reimplemented in MatrixLens, OrthographicLens, and PerspectiveLens.
Definition at line 802 of file lens.cxx.
Referenced by define_geom_coords().

void Lens::operator= ( const Lens & copy )

Definition at line 59 of file lens.cxx.
References _aspect_ratio, _change_event, _comp_flags, _cs, _far_distance, _film_offset, _film_size, _focal_length, _fov, _near_distance, and _user_flags.

void Lens::output ( ostream & out ) const [virtual]

Definition at line 976 of file lens.cxx.
References get_type().

INLINE bool Lens::project ( const LPoint3f & point3d,

LPoint2f & point2d

) const

INLINE bool Lens::project ( const LPoint3f & point3d,

LPoint3f & point2d

) const

Referenced by ProjectionScreen::recompute_geom().

bool Lens::project_impl ( const LPoint3f & point3d,

LPoint3f & point2d

) const [protected, virtual]

Reimplemented in CylindricalLens, FisheyeLens, and PSphereLens.
Definition at line 1141 of file lens.cxx.
References get_projection_mat().

virtual Lens::PT ( BoundingVolume ) const [virtual]

virtual Lens::PT ( Geom ) [virtual]

void Lens::recompute_all ( )

Definition at line 789 of file lens.cxx.
References _comp_flags.

void Lens::resequence_fov_triad ( char & newest,

char & older_a,

char & older_b

) [static, private]

Definition at line 1450 of file lens.cxx.
Referenced by set_film_size(), set_focal_length(), and set_fov().

void Lens::set_aspect_ratio ( float aspect_ratio )

Definition at line 366 of file lens.cxx.
References _aspect_ratio, adjust_comp_flags(), adjust_user_flags(), aspect_ratio, CF_aspect_ratio, CF_film_size, CF_fov, CF_mat, throw_change_event(), UF_aspect_ratio, UF_film_height, and UF_vfov.
Referenced by set_frustum_from_corners().

INLINE void Lens::set_change_event ( const string & event )

void Lens::set_coordinate_system ( CoordinateSystem cs )

Definition at line 84 of file lens.cxx.
References _cs, adjust_comp_flags(), CF_mat, CF_view_hpr, CF_view_vector, and cs.

INLINE void Lens::set_far ( float far_distance )

Referenced by WindowFramework::center_trackball().

INLINE void Lens::set_film_offset ( const LVecBase2f & film_offset )

INLINE void Lens::set_film_offset ( float x,

float y

)

Referenced by set_frustum_from_corners().

void Lens::set_film_size ( const LVecBase2f & film_size )

Definition at line 172 of file lens.cxx.
References _film_size, _film_size_seq, _focal_length_seq, _fov_seq, adjust_comp_flags(), adjust_user_flags(), CF_aspect_ratio, CF_film_size, CF_focal_length, CF_fov, CF_mat, compute_aspect_ratio(), resequence_fov_triad(), throw_change_event(), UF_aspect_ratio, UF_film_height, UF_film_width, UF_focal_length, UF_hfov, and UF_vfov.

INLINE void Lens::set_film_size ( float width,

float height

)

void Lens::set_film_size ( float width )

Definition at line 128 of file lens.cxx.
References _film_size, _film_size_seq, _focal_length_seq, _fov_seq, adjust_comp_flags(), adjust_user_flags(), CF_film_size, CF_focal_length, CF_fov, CF_mat, get_aspect_ratio(), resequence_fov_triad(), throw_change_event(), UF_film_height, UF_film_width, UF_focal_length, UF_hfov, UF_vfov, and width.

void Lens::set_focal_length ( float focal_length )

Definition at line 228 of file lens.cxx.
References _film_size_seq, _focal_length, _focal_length_seq, _fov_seq, adjust_comp_flags(), adjust_user_flags(), CF_film_size, CF_focal_length, CF_fov, CF_mat, resequence_fov_triad(), throw_change_event(), UF_film_height, UF_film_width, UF_focal_length, UF_hfov, and UF_vfov.

void Lens::set_fov ( const LVecBase2f & fov )

Definition at line 314 of file lens.cxx.
References _film_size_seq, _focal_length_seq, _fov, _fov_seq, adjust_comp_flags(), adjust_user_flags(), CF_aspect_ratio, CF_film_size, CF_focal_length, CF_fov, CF_mat, compute_aspect_ratio(), resequence_fov_triad(), throw_change_event(), UF_aspect_ratio, UF_film_height, UF_film_width, UF_focal_length, UF_hfov, and UF_vfov.

INLINE void Lens::set_fov ( float hfov,

float vfov

)

void Lens::set_fov ( float fov )

Definition at line 276 of file lens.cxx.
References _film_size_seq, _focal_length_seq, _fov, _fov_seq, adjust_comp_flags(), adjust_user_flags(), CF_film_size, CF_focal_length, CF_fov, CF_mat, resequence_fov_triad(), throw_change_event(), UF_film_height, UF_film_width, UF_focal_length, UF_hfov, and UF_vfov.
Referenced by set_frustum_from_corners().

void Lens::set_frustum_from_corners ( const LVecBase3f & ul,

const LVecBase3f & ur,

const LVecBase3f & ll,

const LVecBase3f & lr,

int flags

)

Definition at line 639 of file lens.cxx.
References _cs, aspect_ratio, build_shear_mat(), cabs(), catan(), CS_zup_right, FC_aspect_ratio, FC_camera_plane, FC_off_axis, FC_roll, FC_shear, get_aspect_ratio(), get_film_size(), get_lens_mat_inv(), look_at(), rad_2_deg(), set_aspect_ratio(), set_film_offset(), set_fov(), and set_view_mat().

void Lens::set_iod_offset ( float offset )

Definition at line 517 of file lens.cxx.
References _iod_offset, adjust_comp_flags(), adjust_user_flags(), CF_iod_offset, CF_mat, CF_view_hpr, CF_view_vector, throw_change_event(), UF_iod_offset, and UF_view_mat.

INLINE void Lens::set_near ( float near_distance )

Referenced by WindowFramework::center_trackball().

INLINE void Lens::set_near_far ( float near_distance,

float far_distance

)

void Lens::set_view_hpr ( const LVecBase3f & view_hpr )

Definition at line 425 of file lens.cxx.
References _view_hpr, adjust_comp_flags(), adjust_user_flags(), CF_iod_offset, CF_mat, CF_view_hpr, CF_view_vector, throw_change_event(), UF_view_hpr, UF_view_mat, and UF_view_vector.

INLINE void Lens::set_view_hpr ( float h,

float p,

float r

)

void Lens::set_view_mat ( const LMatrix4f & view_mat )

Definition at line 557 of file lens.cxx.
References _lens_mat, adjust_comp_flags(), adjust_user_flags(), CF_iod_offset, CF_lens_mat, CF_lens_mat_inv, CF_view_hpr, CF_view_vector, throw_change_event(), UF_iod_offset, UF_view_hpr, UF_view_mat, and UF_view_vector.
Referenced by set_frustum_from_corners().

void Lens::set_view_vector ( const LVector3f & view_vector,

const LVector3f & up_vector

)

Definition at line 457 of file lens.cxx.
References _up_vector, _view_vector, adjust_comp_flags(), adjust_user_flags(), CF_iod_offset, CF_mat, CF_view_hpr, CF_view_vector, throw_change_event(), UF_view_hpr, UF_view_mat, and UF_view_vector.

INLINE void Lens::set_view_vector ( float x,

float y,

float z,

float i,

float j,

float k

)

float Lens::sqr_dist_to_line ( const LPoint3f & point,

const LPoint3f & origin,

const LVector3f & vec

) [static, private]

Definition at line 1726 of file lens.cxx.
Referenced by build_shear_mat().

void Lens::throw_change_event ( ) [protected]

Definition at line 997 of file lens.cxx.
References _change_event, _geom_coords, _last_change, PointerToArray< Vertexf >::clear(), define_geom_coords(), PointerToArray< Vertexf >::get_ref_count(), and throw_event().
Referenced by set_aspect_ratio(), set_film_size(), set_focal_length(), set_fov(), set_iod_offset(), set_view_hpr(), set_view_mat(), and set_view_vector().

void Lens::write ( ostream & out,

int indent_level = 0

) const [virtual]

Reimplemented in MatrixLens, and OrthographicLens.
Definition at line 986 of file lens.cxx.
References get_fov(), get_type(), and indent().
Referenced by Spotlight::write().

Member Data Documentation

PUBLISHED Lens::__pad0__

Reimplemented from TypedReferenceCount.
Reimplemented in CylindricalLens, FisheyeLens, PSphereLens, MatrixLens, OrthographicLens, and PerspectiveLens.
Definition at line 50 of file lens.h.

float Lens::_aspect_ratio [protected]

Definition at line 191 of file lens.h.
Referenced by clear(), compute_aspect_ratio(), compute_film_size(), get_aspect_ratio(), operator=(), and set_aspect_ratio().

string Lens::_change_event [protected]

Definition at line 183 of file lens.h.
Referenced by clear(), operator=(), and throw_change_event().

short Lens::_comp_flags [protected]

Definition at line 235 of file lens.h.
Referenced by clear(), compute_film_size(), compute_fov(), get_aspect_ratio(), get_film_mat(), get_film_mat_inv(), get_film_size(), get_focal_length(), get_fov(), get_iod_offset(), get_lens_mat(), get_lens_mat_inv(), get_projection_mat(), get_projection_mat_inv(), get_up_vector(), get_view_hpr(), get_view_mat(), get_view_vector(), operator=(), and recompute_all().

CoordinateSystem Lens::_cs [protected]

Definition at line 185 of file lens.h.
Referenced by clear(), compute_iod_offset(), compute_lens_mat(), PerspectiveLens::compute_projection_mat(), OrthographicLens::compute_projection_mat(), compute_view_hpr(), compute_view_vector(), define_geom_coords(), operator=(), set_coordinate_system(), and set_frustum_from_corners().

const float Lens::_default_fov = 40.0f [static, protected]

Definition at line 31 of file lens.cxx.
Referenced by clear(), compute_fov(), and film_to_fov().

float Lens::_far_distance [protected]

Definition at line 192 of file lens.h.
Referenced by clear(), OrthographicLens::compute_projection_mat(), define_geom_coords(), and operator=().

LMatrix4f Lens::_film_mat [protected]

Definition at line 198 of file lens.h.
Referenced by compute_film_mat(), and get_film_mat().

LMatrix4f Lens::_film_mat_inv [protected]

Definition at line 198 of file lens.h.
Referenced by get_film_mat_inv().

LVector2f Lens::_film_offset [protected]

Definition at line 188 of file lens.h.
Referenced by clear(), and operator=().

LVecBase2f Lens::_film_size [protected]

Definition at line 187 of file lens.h.
Referenced by clear(), compute_film_size(), get_film_size(), operator=(), and set_film_size().

char Lens::_film_size_seq [protected]

Definition at line 241 of file lens.h.
Referenced by clear(), set_film_size(), set_focal_length(), and set_fov().

float Lens::_focal_length [protected]

Definition at line 189 of file lens.h.
Referenced by clear(), compute_film_size(), compute_focal_length(), compute_fov(), get_focal_length(), operator=(), and set_focal_length().

char Lens::_focal_length_seq [protected]

Definition at line 241 of file lens.h.
Referenced by clear(), set_film_size(), set_focal_length(), and set_fov().

LVecBase2f Lens::_fov [protected]

Definition at line 190 of file lens.h.
Referenced by clear(), compute_film_size(), compute_fov(), get_fov(), operator=(), and set_fov().

char Lens::_fov_seq [protected]

Definition at line 241 of file lens.h.
Referenced by clear(), set_film_size(), set_focal_length(), and set_fov().

PTA_Vertexf Lens::_geom_coords [protected]

Definition at line 243 of file lens.h.
Referenced by define_geom_coords(), and throw_change_event().

float Lens::_iod_offset [protected]

Definition at line 196 of file lens.h.
Referenced by clear(), compute_iod_offset(), compute_lens_mat(), get_iod_offset(), and set_iod_offset().

UpdateSeq Lens::_last_change [protected]

Definition at line 184 of file lens.h.
Referenced by throw_change_event().

LMatrix4f Lens::_lens_mat [protected]

Definition at line 199 of file lens.h.
Referenced by compute_lens_mat(), get_lens_mat(), get_view_mat(), and set_view_mat().

LMatrix4f Lens::_lens_mat_inv [protected]

Definition at line 199 of file lens.h.
Referenced by get_lens_mat_inv().

float Lens::_near_distance [protected]

Definition at line 192 of file lens.h.
Referenced by clear(), OrthographicLens::compute_projection_mat(), define_geom_coords(), and operator=().

LMatrix4f Lens::_projection_mat [protected]

Definition at line 200 of file lens.h.
Referenced by PerspectiveLens::compute_projection_mat(), OrthographicLens::compute_projection_mat(), MatrixLens::compute_projection_mat(), compute_projection_mat(), get_projection_mat(), and MatrixLens::write().

LMatrix4f Lens::_projection_mat_inv [protected]

Definition at line 200 of file lens.h.
Referenced by compute_projection_mat(), and get_projection_mat_inv().

TypeHandle Lens::_type_handle [static, private]

Reimplemented from TypedReferenceCount.
Reimplemented in CylindricalLens, FisheyeLens, PSphereLens, MatrixLens, OrthographicLens, and PerspectiveLens.
Definition at line 29 of file lens.cxx.

LVector3f Lens::_up_vector [protected]

Definition at line 195 of file lens.h.
Referenced by clear(), compute_lens_mat(), compute_view_vector(), get_up_vector(), and set_view_vector().

short Lens::_user_flags [protected]

Definition at line 234 of file lens.h.
Referenced by clear(), compute_aspect_ratio(), compute_film_size(), compute_focal_length(), compute_fov(), compute_iod_offset(), compute_lens_mat(), compute_view_hpr(), compute_view_vector(), and operator=().

LVecBase3f Lens::_view_hpr [protected]

Definition at line 194 of file lens.h.
Referenced by clear(), compute_lens_mat(), compute_view_hpr(), get_view_hpr(), and set_view_hpr().

LVector3f Lens::_view_vector [protected]

Definition at line 195 of file lens.h.
Referenced by clear(), compute_lens_mat(), compute_view_vector(), get_view_vector(), and set_view_vector().

The documentation for this class was generated from the following files:

Generated on Fri Apr 18 00:12:36 2003 for Panda by

1.3

Lens Class Reference

Public Types

Public Member Functions

Static Public Member Functions

Public Attributes

Protected Types

Protected Member Functions

Protected Attributes

Static Protected Attributes

Private Member Functions

Static Private Member Functions

Static Private Attributes

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation