IBSimu
1.0.4
|
DXF circle entity class. More...
#include <mydxfentities.hpp>
Public Member Functions | |
MyDXFCircle () | |
Default constructor. | |
MyDXFCircle (class MyDXFFile *dxf) | |
Construct circle entity by reading from DXF file. | |
virtual | ~MyDXFCircle () |
Virtual destructor. | |
virtual MyDXFCircle * | copy (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. | |
Vec3D | center (void) const |
Get center point of circle. | |
double | radius (void) const |
Get radius of circle. | |
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 MyDXFCircle &circle, double eps=1.0e-6) const |
Check if two entities are geometrically same. | |
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. |
DXF circle entity class.
MyDXFCircle::MyDXFCircle | ( | ) | [inline] |
Default constructor.
MyDXFCircle::MyDXFCircle | ( | class MyDXFFile * | dxf | ) |
Construct circle entity by reading from DXF file.
virtual MyDXFCircle::~MyDXFCircle | ( | ) | [inline, virtual] |
Virtual destructor.
Vec3D MyDXFCircle::center | ( | void | ) | const [inline] |
Get center point of circle.
virtual MyDXFCircle* MyDXFCircle::copy | ( | void | ) | const [inline, virtual] |
Get a new copy of entity.
Implements MyDXFEntity.
virtual Vec3D MyDXFCircle::end | ( | void | ) | const [inline, virtual] |
Get end point of path entity.
Implements MyDXFPathEntity.
virtual void MyDXFCircle::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 MyDXFCircle::geom_same | ( | const MyDXFCircle & | circle, |
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 MyDXFCircle::get_bbox | ( | Vec3D & | min, |
Vec3D & | max, | ||
const class MyDXFFile * | dxf, | ||
const Transformation * | t | ||
) | const [virtual] |
Return bounding box of entity.
Implements MyDXFEntity.
virtual EntityType MyDXFCircle::get_type | ( | void | ) | const [inline, virtual] |
Get entity type.
Implements MyDXFEntity.
virtual void MyDXFCircle::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.
double MyDXFCircle::radius | ( | void | ) | const [inline] |
Get radius of circle.
virtual int MyDXFCircle::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 MyDXFCircle::scale | ( | class MyDXFFile * | dxf, |
double | s | ||
) | [virtual] |
Scale entity by factor s.
Implements MyDXFEntity.
virtual void MyDXFCircle::set_end | ( | const Vec3D & | e | ) | [inline, virtual] |
Set end point of path entity.
Implements MyDXFPathEntity.
virtual void MyDXFCircle::set_start | ( | const Vec3D & | s | ) | [inline, virtual] |
Set start point of path entity.
Implements MyDXFPathEntity.
virtual Vec3D MyDXFCircle::start | ( | void | ) | const [inline, virtual] |
Get start point of path entity.
Implements MyDXFPathEntity.
virtual void MyDXFCircle::write | ( | class MyDXFFile * | dxf, |
std::ofstream & | ostr | ||
) | [virtual] |
Write dxf file to stream.
Implements MyDXFEntity.