MyDXFLWPolyline Class Reference

DXF LW polyline entity class. More...

#include <mydxfentities.hpp>

Inheritance diagram for MyDXFLWPolyline:
MyDXFPathEntity MyDXFEntity

List of all members.

Public Member Functions

 MyDXFLWPolyline (class MyDXFFile *dxf)
 Construct line entity by reading from DXF file.
virtual ~MyDXFLWPolyline ()
 Virtual destructor.
virtual MyDXFLWPolylinecopy (void) const
 Get a new copy of entity.
virtual void explode (class MyDXFEntities *ent, MyDXFFile *dxf, const Transformation *t) const
 Explode into entities.
virtual void write (class MyDXFFile *dxf, std::ofstream &ostr)
 Write dxf file to stream.
virtual EntityType get_type (void) const
 Get entity type.
virtual Vec3D start (void) const
 Get start point of path entity.
virtual Vec3D end (void) const
 Get end point of path entity.
virtual void set_start (const Vec3D &s)
 Set start point of path entity.
virtual void set_end (const Vec3D &e)
 Set end point of path entity.
virtual int ray_cross (double x, double y) const
 Check for ray crossing.
bool geom_same (const MyDXFLWPolyline &line, double eps=1.0e-6) const
 Check if two entities are geometrically same.
uint32_t size () const
 Get number of vertices in entity.
Vec3D vertex (uint32_t i) const
 Get vertix i.
bool closed (void) const
 Is entity closed path?
virtual void plot (const class MyDXFFile *dxf, cairo_t *cairo, const Transformation *t, const double range[4]) const
 Plot entity with cairo.
virtual void get_bbox (Vec3D &min, Vec3D &max, const class MyDXFFile *dxf, const Transformation *t) const
 Return bounding box of entity.
virtual void scale (class MyDXFFile *dxf, double s)
 Scale entity by factor s.

Detailed Description

DXF LW polyline entity class.


Constructor & Destructor Documentation

MyDXFLWPolyline::MyDXFLWPolyline ( class MyDXFFile dxf  ) 

Construct line entity by reading from DXF file.

virtual MyDXFLWPolyline::~MyDXFLWPolyline (  )  [inline, virtual]

Virtual destructor.


Member Function Documentation

bool MyDXFLWPolyline::closed ( void   )  const [inline]

Is entity closed path?

virtual MyDXFLWPolyline* MyDXFLWPolyline::copy ( void   )  const [inline, virtual]

Get a new copy of entity.

Implements MyDXFEntity.

virtual Vec3D MyDXFLWPolyline::end ( void   )  const [inline, virtual]

Get end point of path entity.

Implements MyDXFPathEntity.

virtual void MyDXFLWPolyline::explode ( class MyDXFEntities ent,
MyDXFFile dxf,
const Transformation t 
) const [virtual]

Explode into entities.

Break entity into atomic entities and tranform entities them with tranformation t. Add the tranformed entities to the database ent.

Implements MyDXFEntity.

bool MyDXFLWPolyline::geom_same ( const MyDXFLWPolyline line,
double  eps = 1.0e-6 
) const

Check if two entities are geometrically same.

Checks if entity a is the geometrically same as entity b within error limit eps.

virtual void MyDXFLWPolyline::get_bbox ( Vec3D min,
Vec3D max,
const class MyDXFFile dxf,
const Transformation t 
) const [virtual]

Return bounding box of entity.

Implements MyDXFEntity.

virtual EntityType MyDXFLWPolyline::get_type ( void   )  const [inline, virtual]

Get entity type.

Implements MyDXFEntity.

virtual void MyDXFLWPolyline::plot ( const class MyDXFFile dxf,
cairo_t *  cairo,
const Transformation t,
const double  range[4] 
) const [virtual]

Plot entity with cairo.

Plot the entity using the transformation from from the object space to cairo coordinates. The visible range is specified by range (xmin,ymin,xmax,ymax) in cairo coordinates.

Implements MyDXFEntity.

virtual int MyDXFLWPolyline::ray_cross ( double  x,
double  y 
) const [virtual]

Check for ray crossing.

Check if ray going from point (x,y) downwards (negative y direction) crosses the entity. Return 1 if crosses odd number of times and 0 if even number of times. Return 2 in case of exact crossing at boundaries. This function is used as a subroutine to inside_loop().

Implements MyDXFPathEntity.

virtual void MyDXFLWPolyline::scale ( class MyDXFFile dxf,
double  s 
) [virtual]

Scale entity by factor s.

Implements MyDXFEntity.

virtual void MyDXFLWPolyline::set_end ( const Vec3D e  )  [virtual]

Set end point of path entity.

Implements MyDXFPathEntity.

virtual void MyDXFLWPolyline::set_start ( const Vec3D s  )  [virtual]

Set start point of path entity.

Implements MyDXFPathEntity.

uint32_t MyDXFLWPolyline::size ( void   )  const [inline]

Get number of vertices in entity.

virtual Vec3D MyDXFLWPolyline::start ( void   )  const [inline, virtual]

Get start point of path entity.

Implements MyDXFPathEntity.

Vec3D MyDXFLWPolyline::vertex ( uint32_t  i  )  const [inline]

Get vertix i.

virtual void MyDXFLWPolyline::write ( class MyDXFFile dxf,
std::ofstream &  ostr 
) [virtual]

Write dxf file to stream.

Implements MyDXFEntity.


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

Generated on 18 Apr 2011 for IBSimu by  doxygen 1.6.1