MyDXFPathEntity Class Reference

DXF path entity base class. More...

#include <mydxfentities.hpp>

Inheritance diagram for MyDXFPathEntity:

Public Member Functions
virtual	~MyDXFPathEntity ()
	Virtual destructor.
virtual Vec3D	start (void) const =0
	Get start point of path entity.
virtual Vec3D	end (void) const =0
	Get end point of path entity.
virtual void	set_start (const Vec3D &s)=0
	Set start point of path entity.
virtual void	set_end (const Vec3D &e)=0
	Set end point of path entity.
virtual int	ray_cross (double x, double y) const =0
	Check for ray crossing.
Public Member Functions inherited from MyDXFEntity
virtual	~MyDXFEntity ()
	Virtual destructor.
virtual MyDXFEntity *	copy (void) const =0
	Get a new copy of entity.
virtual void	explode (class MyDXFEntities *ent, MyDXFFile *dxf, const Transformation *t) const =0
	Explode into entities.
virtual void	write (class MyDXFFile *dxf, std::ofstream &ostr)=0
	Write dxf file to stream.
virtual void	scale (class MyDXFFile *dxf, double s)=0
	Scale entity by factor s.
virtual void	translate (class MyDXFFile *dxf, const Vec3D &dx)=0
	Translate entity by dx.
void	set_layer (const std::string &layer)
	Set layer.
std::string	get_layer (void) const
	Get layer.
virtual EntityType	get_type (void) const =0
	Get entity type.
void	set_handle (const std::string &handle)
	Set entity handle.
std::string	get_handle (void) const
	Get entity handle.
virtual void	plot (const class MyDXFFile *dxf, cairo_t *cairo, const Transformation *t, const double range[4]) const =0
	Plot entity with cairo.
virtual void	get_bbox (Vec3D &min, Vec3D &max, const class MyDXFFile *dxf, const Transformation *t) const =0
	Return bounding box of entity.
virtual void	debug_print (std::ostream &os) const =0
	Print debugging information to stream os.

Protected Member Functions
	MyDXFPathEntity ()
	MyDXFPathEntity (const MyDXFEntity &ent)
Protected Member Functions inherited from MyDXFEntity
	MyDXFEntity ()
void	write_common (class MyDXFFile *dxf, std::ofstream &ostr)
void	process_group (class MyDXFFile *dxf)
void	constructor_debug_print (void) const
void	debug_print_base (std::ostream &os) const

Additional Inherited Members
Static Protected Member Functions inherited from MyDXFEntity
static void	bbox_ppoint (Vec3D &min, Vec3D &max, const Vec3D &p)
	Propose a point to bounding box.
Protected Attributes inherited from MyDXFEntity
std::string	_handle
std::string	_layer

Detailed Description

DXF path entity base class.

A base class for two dimensional DXF entities, which can be part of a path. All path entities have a start point and an end point, that can be read and set.

Constructor & Destructor Documentation

MyDXFPathEntity::MyDXFPathEntity ( )

inlineprotected

MyDXFPathEntity::MyDXFPathEntity ( const MyDXFEntity &  ent )

inlineprotected

virtual MyDXFPathEntity::~MyDXFPathEntity ( )

inlinevirtual

Virtual destructor.

Member Function Documentation

virtual Vec3D MyDXFPathEntity::end ( void  ) const

pure virtual

Get end point of path entity.

virtual int MyDXFPathEntity::ray_cross ( double  x, double  y  ) const

pure 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().

virtual void MyDXFPathEntity::set_end ( const Vec3D &  e )

pure virtual

Set end point of path entity.

virtual void MyDXFPathEntity::set_start ( const Vec3D &  s )

pure virtual

Set start point of path entity.

virtual Vec3D MyDXFPathEntity::start ( void  ) const

pure virtual

Get start point of path entity.

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

• mydxfentities.hpp