Polygon::Vertex_Iterator Struct Reference

Iterator over the vertices of a polygon. More...

#include <polygon.H>

Inheritance diagram for Polygon::Vertex_Iterator:

Collaboration diagram for Polygon::Vertex_Iterator:

Public Member Functions
	Vertex_Iterator (const Polygon &poly)
	Construct iterator from a polygon.
Vertex &	get_current_vertex ()
	Get the current vertex.

Detailed Description

Iterator over the vertices of a polygon.

Provides sequential access to all vertices in the polygon.

for (Polygon::Vertex_Iterator it(poly); it.has_curr(); it.next())
  std::cout << it.get_current_vertex().to_string() << "\n";

Definition at line 418 of file polygon.H.

Constructor & Destructor Documentation

Vertex_Iterator()

Polygon::Vertex_Iterator::Vertex_Iterator ( const Polygon &  poly )

inline

Construct iterator from a polygon.

Parameters

poly	The polygon to iterate over.

Exceptions

std::domain_error

If the polygon has no vertices.

Definition at line 423 of file polygon.H.

References ah_domain_error_if, Aleph::Dlink::is_empty(), and Polygon::vertex_list.

Member Function Documentation

get_current_vertex()

Vertex & Polygon::Vertex_Iterator::get_current_vertex ( )

inline

Get the current vertex.

Returns

Reference to the current vertex.

Definition at line 431 of file polygon.H.

References Vertex::dlink_to_vertex(), and Aleph::get_curr().

Referenced by TEST_F().

---

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

• polygon.H