crp::Image< T >::LineIterator Class Reference

Class LineIterator iterates over a line. More...

#include <image.h>

Inheritance diagram for crp::Image< T >::LineIterator:

Public Member Functions
	LineIterator (Image< T > &image, Line2D &line)
	Creates a new rectangular iterator.
virtual	~LineIterator ()
	Virtual destructor.
virtual LineIterator &	operator++ (int)
	Takes the next pixel.
virtual LineIterator &	operator-- (int)
	Takes the previous pixel.
virtual bool	at_end ()
	Returns true if the operator is at the end.
virtual bool	at_begin ()
	Returns true if the operator is at the beginning.
Protected Attributes
Line2D	line
	Primitive.
double	px
	Double precision position.
double	py
double	dx
	Step size.
double	dy

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Detailed Description

template<class T>
class crp::Image< T >::LineIterator

Class LineIterator iterates over a line.

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Constructor & Destructor Documentation

template<class T >

crp::Image< T >::LineIterator::LineIterator	(	Image< T > &	image,
		Line2D &	line
	)		[inline]

Creates a new rectangular iterator.

Parameters:

image	Associated image
line	Line

template<class T >

virtual crp::Image< T >::LineIterator::~LineIterator

(

)

[inline, virtual]

Virtual destructor.

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Member Function Documentation

template<class T >

virtual bool crp::Image< T >::LineIterator::at_begin

(

)

[inline, virtual]

Returns true if the operator is at the beginning.

Returns:

True if the operator will not move backwards

Implements crp::Image< T >::PrimitiveIterator.

template<class T >

virtual bool crp::Image< T >::LineIterator::at_end

(

)

[inline, virtual]

Returns true if the operator is at the end.

Returns:

True if the operator will not move any further

Implements crp::Image< T >::PrimitiveIterator.

template<class T >

virtual LineIterator& crp::Image< T >::LineIterator::operator++

(

int

)

[inline, virtual]

Takes the next pixel.

Returns:

Reference to itself

Implements crp::Image< T >::PrimitiveIterator.

template<class T >

virtual LineIterator& crp::Image< T >::LineIterator::operator--

(

int

)

[inline, virtual]

Takes the previous pixel.

Returns:

Reference to itself

Implements crp::Image< T >::PrimitiveIterator.

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Field Documentation

template<class T >

double crp::Image< T >::LineIterator::dx [protected]

Step size.

template<class T >

double crp::Image< T >::LineIterator::dy [protected]

template<class T >

Line2D crp::Image< T >::LineIterator::line [protected]

Primitive.

template<class T >

double crp::Image< T >::LineIterator::px [protected]

Double precision position.

template<class T >

double crp::Image< T >::LineIterator::py [protected]

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

• image.h