Custom priority queue for use in pal labeling engine. More...

#include <priorityqueue.h>

Public Member Functions
	PriorityQueue (const PriorityQueue &)=delete
	PriorityQueue cannot be copied.

	PriorityQueue (int n, int maxId, bool min)
	Create a priority queue of max size n \param n max size of the queuet \param p external vector representing the priority \param min best element has the smallest p when min is `true` and has the biggest when min is `false`.

	~PriorityQueue ()

void	decreaseKey (int key)

void	downheap (int id)

int	getBest ()

int	getId (int key) const

int	getSize () const

int	getSizeByPos () const

void	insert (int key, double p)

bool	isIn (int key) const

PriorityQueue &	operator= (const PriorityQueue &)=delete
	PriorityQueue cannot be copied.

void	print ()

void	remove (int key)

void	setPriority (int key, double new_p)

void	sort ()

void	upheap (int key)

Detailed Description

Custom priority queue for use in pal labeling engine.

Note: not available in Python bindings

Definition at line 52 of file priorityqueue.h.

Constructor & Destructor Documentation

◆ PriorityQueue() [1/2]

PriorityQueue::PriorityQueue	(	int	n,
		int	maxId,
		bool	min
	)

Create a priority queue of max size n \param n max size of the queuet \param p external vector representing the priority \param min best element has the smallest p when min is true and has the biggest when min is false.

Definition at line 48 of file priorityqueue.cpp.

◆ ~PriorityQueue()

PriorityQueue::~PriorityQueue ( )

Definition at line 69 of file priorityqueue.cpp.

◆ PriorityQueue() [2/2]

pal::PriorityQueue::PriorityQueue ( const PriorityQueue & )

delete

PriorityQueue cannot be copied.

Member Function Documentation

◆ decreaseKey()

void PriorityQueue::decreaseKey ( int key )

Definition at line 273 of file priorityqueue.cpp.

◆ downheap()

void PriorityQueue::downheap ( int id )

Definition at line 211 of file priorityqueue.cpp.

◆ getBest()

int PriorityQueue::getBest ( )

Definition at line 82 of file priorityqueue.cpp.

◆ getId()

int PriorityQueue::getId ( int key ) const

Definition at line 111 of file priorityqueue.cpp.

◆ getSize()

int PriorityQueue::getSize ( ) const

Definition at line 76 of file priorityqueue.cpp.

◆ getSizeByPos()

int PriorityQueue::getSizeByPos ( ) const

Definition at line 307 of file priorityqueue.cpp.

◆ insert()

void PriorityQueue::insert	(	int	key,
		double	p
	)

Definition at line 116 of file priorityqueue.cpp.

◆ isIn()

bool PriorityQueue::isIn ( int key ) const

Definition at line 106 of file priorityqueue.cpp.

◆ operator=()

PriorityQueue & pal::PriorityQueue::operator= ( const PriorityQueue & )

delete

PriorityQueue cannot be copied.

◆ print()

void PriorityQueue::print ( )

Definition at line 291 of file priorityqueue.cpp.

◆ remove()

void PriorityQueue::remove ( int key )

Definition at line 134 of file priorityqueue.cpp.

◆ setPriority()

void PriorityQueue::setPriority	(	int	key,
		double	new_p
	)

Definition at line 252 of file priorityqueue.cpp.

◆ sort()

void PriorityQueue::sort ( )

Definition at line 154 of file priorityqueue.cpp.

◆ upheap()

void PriorityQueue::upheap ( int key )

Definition at line 168 of file priorityqueue.cpp.

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

/build/qgis-3.34.0+99sid/src/core/pal/priorityqueue.h
/build/qgis-3.34.0+99sid/src/core/pal/priorityqueue.cpp

Public Member Functions