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Public Member Functions | Private Attributes | List of all members
Geom::Ray Class Reference
Primitives

Straight ray from a specific point to infinity. More...

#include <ray.h>

Public Member Functions

 Ray ()
 
 Ray (Point const &origin, Coord angle)
 
 Ray (Point const &A, Point const &B)
 
Point origin () const
 
Point vector () const
 
Point versor () const
 
void setOrigin (Point const &o)
 
void setVector (Point const &v)
 
Coord angle () const
 
void setAngle (Coord a)
 
void setPoints (Point const &a, Point const &b)
 
bool isDegenerate () const
 
Point pointAt (Coord t) const
 
Coord valueAt (Coord t, Dim2 d) const
 
std::vector< Coord > roots (Coord v, Dim2 d) const
 
Coord nearestTime (Point const &point) const
 
Ray reverse () const
 
Curve * portion (Coord f, Coord t) const
 
LineSegment segment (Coord f, Coord t) const
 
Ray transformed (Affine const &m) const
 

Private Attributes

Point _origin
 
Point _vector
 

Detailed Description

Straight ray from a specific point to infinity.

Rays are "half-lines" - they begin at some specific point and extend in a straight line to infinity.

Definition at line 53 of file ray.h.

Constructor & Destructor Documentation

◆ Ray() [1/3]

Geom::Ray::Ray ( )
inline

Definition at line 59 of file ray.h.

Referenced by transformed().

◆ Ray() [2/3]

Geom::Ray::Ray ( Point const &  origin,
Coord  angle 
)
inline

Definition at line 60 of file ray.h.

References _vector, angle(), Geom::sincos(), Geom::X, and Geom::Y.

◆ Ray() [3/3]

Geom::Ray::Ray ( Point const &  A,
Point const &  B 
)
inline

Definition at line 65 of file ray.h.

References setPoints().

Member Function Documentation

◆ angle()

Coord Geom::Ray::angle ( ) const
inline

Definition at line 73 of file ray.h.

References _vector, Geom::X, and Geom::Y.

Referenced by Inkscape::LivePathEffect::LPERoughen::addNodesAndJitter(), Inkscape::LivePathEffect::LPEInterpolate::calculate_trajectory(), Inkscape::LivePathEffect::LPEMeasureSegments::createLine(), Inkscape::LivePathEffect::LPEMeasureSegments::doBeforeEffect(), Inkscape::LivePathEffect::LPETransform2Pts::doBeforeEffect(), Inkscape::LivePathEffect::LPERoughen::doEffect(), Inkscape::LivePathEffect::LPEFilletChamfer::doEffect_path(), Inkscape::LivePathEffect::LPETransform2Pts::doEffect_pwd2(), Inkscape::LivePathEffect::LPETransform2Pts::doOnApply(), Inkscape::LivePathEffect::LPEShowHandles::drawHandleLine(), Inkscape::LivePathEffect::LPESimplify::drawHandleLine(), Inkscape::LivePathEffect::LPESimplify::generateHelperPathAndSmooth(), GrDragger::highlightNode(), Inkscape::LivePathEffect::LPERoughen::jitter(), Inkscape::LivePathEffect::FilletChamferKnotHolderEntity::knot_get(), Inkscape::LivePathEffect::LPERoughen::randomize(), Ray(), Inkscape::LivePathEffect::LPETransform2Pts::reset(), Inkscape::LivePathEffect::LPESlice::splititem(), Inkscape::UI::Tools::MeasureTool::toGuides(), and Inkscape::UI::Tools::MeasureTool::toMarkDimension().

◆ isDegenerate()

bool Geom::Ray::isDegenerate ( ) const
inline

Definition at line 83 of file ray.h.

References _vector, Geom::X, and Geom::Y.

Referenced by nearestTime(), and wrap_ray().

◆ nearestTime()

Coord Geom::Ray::nearestTime ( Point const &  point) const
inline

Definition at line 102 of file ray.h.

References _origin, _vector, Geom::dot(), and isDegenerate().

Referenced by Geom::distance(), and wrap_ray().

◆ origin()

Point Geom::Ray::origin ( ) const
inline

Definition at line 68 of file ray.h.

References _origin.

Referenced by Geom::are_same(), draw_ray(), Geom::intersection(), Geom::detail::intersection_impl(), Geom::detail::intersection_impl(), and Geom::make_angle_bisector_ray().

◆ pointAt()

Point Geom::Ray::pointAt ( Coord  t) const
inline

Definition at line 86 of file ray.h.

References _origin, and _vector.

Referenced by Geom::distance(), draw_ray(), portion(), segment(), SPMeshNodeArray::side_arc(), and wrap_ray().

◆ portion()

Curve * Geom::Ray::portion ( Coord  f,
Coord  t 
) const
inline

Definition at line 114 of file ray.h.

References pointAt().

◆ reverse()

Ray Geom::Ray::reverse ( ) const
inline

Definition at line 108 of file ray.h.

References _origin, _vector, result, and setOrigin().

Referenced by Geom::make_angle_bisector_ray(), and wrap_ray().

◆ roots()

std::vector< Coord > Geom::Ray::roots ( Coord  v,
Dim2  d 
) const
inline

Definition at line 92 of file ray.h.

References _origin, _vector, and result.

Referenced by wrap_ray().

◆ segment()

LineSegment Geom::Ray::segment ( Coord  f,
Coord  t 
) const
inline

Definition at line 117 of file ray.h.

References pointAt().

Referenced by wrap_ray().

◆ setAngle()

void Geom::Ray::setAngle ( Coord  a)
inline

Definition at line 74 of file ray.h.

References _vector, Geom::sincos(), Geom::X, and Geom::Y.

◆ setOrigin()

void Geom::Ray::setOrigin ( Point const &  o)
inline

Definition at line 71 of file ray.h.

References _origin.

Referenced by Geom::Line::ray(), and reverse().

◆ setPoints()

void Geom::Ray::setPoints ( Point const &  a,
Point const &  b 
)
inline

Definition at line 75 of file ray.h.

References _origin, _vector, Geom::are_near(), and Geom::Point::normalize().

Referenced by Inkscape::LivePathEffect::LPERoughen::addNodesAndJitter(), Inkscape::LivePathEffect::LPEFilletChamfer::doEffect_path(), GrDragger::highlightNode(), Inkscape::LivePathEffect::LPERoughen::jitter(), Inkscape::LivePathEffect::FilletChamferKnotHolderEntity::knot_get(), NodeSatellite::lenToRad(), Ray(), Inkscape::UI::Tools::MeasureTool::toGuides(), and wrap_ray().

◆ setVector()

void Geom::Ray::setVector ( Point const &  v)
inline

Definition at line 72 of file ray.h.

References _vector.

◆ transformed()

Ray Geom::Ray::transformed ( Affine const &  m) const
inline

Definition at line 120 of file ray.h.

References _origin, _vector, and Ray().

Referenced by wrap_ray().

◆ valueAt()

Coord Geom::Ray::valueAt ( Coord  t,
Dim2  d 
) const
inline

Definition at line 89 of file ray.h.

References _origin, and _vector.

Referenced by wrap_ray().

◆ vector()

Point Geom::Ray::vector ( ) const
inline

Definition at line 69 of file ray.h.

References _vector.

Referenced by Geom::angle_between(), Geom::are_same(), Geom::intersection(), Geom::detail::intersection_impl(), Geom::detail::intersection_impl(), and Geom::make_angle_bisector_ray().

◆ versor()

Point Geom::Ray::versor ( ) const
inline

Definition at line 70 of file ray.h.

References _vector, and Geom::Point::normalized().

Member Data Documentation

◆ _origin

Point Geom::Ray::_origin
private

Definition at line 55 of file ray.h.

Referenced by nearestTime(), origin(), pointAt(), reverse(), roots(), setOrigin(), setPoints(), transformed(), and valueAt().

◆ _vector

Point Geom::Ray::_vector
private

Definition at line 56 of file ray.h.

Referenced by angle(), isDegenerate(), nearestTime(), pointAt(), Ray(), reverse(), roots(), setAngle(), setPoints(), setVector(), transformed(), valueAt(), vector(), and versor().

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